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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 
FORM 10-Q

(Mark One)
QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended September 30, 2020March 31, 2021
OR
TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from                      to                     
Commission File Number: 001-38221
PQ Group Holdings Inc.

Delaware 81-3406833
(State or other jurisdiction of
incorporation or organization)
 (I.R.S. Employer
Identification No.)
 
300 Lindenwood Drive 
Malvern, Pennsylvania19355
(Address of principal executive offices) (Zip Code)
(610)651-4400
(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading symbolName of each exchange on which registered
Common stock, par value $0.01 per sharePQGNew York Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  ☒    No  ☐
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).    Yes  ☒    No  ☐
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer”, “smaller reporting company”, and “emerging growth company” in Rule 12b-2 of the Exchange Act.
Large accelerated filerAccelerated filer
Non-accelerated filerSmaller reporting company
Emerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  ☐   No  ☒
The number of shares of common stock outstanding as of October 29, 2020May 13, 2021 was 136,338,043.136,924,458.

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PQ GROUP HOLDINGS INC.

INDEX—FORM 10-Q
September 30, 2020March 31, 2021
Page

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PART IFINANCIAL INFORMATION

ITEM 1.     FINANCIAL STATEMENTS (UNAUDITED).

PQ GROUP HOLDINGS INC. AND SUBSIDIARIES
CONDENSED CONSOLIDATED STATEMENTS OF INCOME
(in thousands, except share and per share amounts)
(unaudited)
 
Three months ended
September 30,
Nine months ended
September 30,
Three months ended
March 31,
202020192020201920212020
SalesSales$380,319 $423,801 $1,101,442 $1,214,697 Sales$126,624 $125,554 
Cost of goods soldCost of goods sold283,818 310,904 823,503 905,395 Cost of goods sold96,505 87,850 
Gross profitGross profit96,501 112,897 277,939 309,302 Gross profit30,119 37,704 
Selling, general and administrative expensesSelling, general and administrative expenses37,070 39,528 119,294 123,611 Selling, general and administrative expenses22,130 22,280 
Other operating expense, netOther operating expense, net12,382 15,795 47,059 28,353 Other operating expense, net5,507 3,450 
Operating incomeOperating income47,049 57,574 111,586 157,338 Operating income2,482 11,974 
Equity in net (income) from affiliated companiesEquity in net (income) from affiliated companies(183)(17,261)(20,025)(31,625)Equity in net (income) from affiliated companies(5,210)(8,295)
Interest expense, netInterest expense, net18,642 27,697 65,372 84,855 Interest expense, net10,456 15,298 
Debt extinguishment costsDebt extinguishment costs14,004 1,767 16,517 1,767 Debt extinguishment costs2,513 
Other (income) expense, net(4,988)1,834 (4,297)1,890 
Income before income taxes and noncontrolling interest19,574 43,537 54,019 100,451 
Provision for income taxes11,764 16,718 29,453 39,472 
Net income7,810 26,819 24,566 60,979 
Less: Net income attributable to the noncontrolling interest298 106 904 541 
Net income attributable to PQ Group Holdings Inc.$7,512 $26,713 $23,662 $60,438 
Other expense, netOther expense, net5,174 7,470 
Loss from continuing operations before income taxes and noncontrolling interestLoss from continuing operations before income taxes and noncontrolling interest(7,938)(5,012)
Benefit for income taxesBenefit for income taxes(5,190)(1,665)
Net loss from continuing operationsNet loss from continuing operations(2,748)(3,347)
Net (loss) income from discontinued operations, net of taxNet (loss) income from discontinued operations, net of tax(89,770)3,856 
Net (loss) incomeNet (loss) income(92,518)509 
Net income per share:
Basic income per share$0.06 $0.20 $0.17 $0.45 
Diluted income per share$0.06 $0.20 $0.17 $0.45 
Less: Net income attributable to the noncontrolling interest - discontinued operationsLess: Net income attributable to the noncontrolling interest - discontinued operations117 285 
Net (loss) income attributable to PQ Group Holdings Inc.Net (loss) income attributable to PQ Group Holdings Inc.$(92,635)$224 
Loss from continuing operations attributable to PQ Group Holdings Inc.Loss from continuing operations attributable to PQ Group Holdings Inc.$(2,748)$(3,347)
(Loss) income from discontinued operations attributable to PQ Group Holdings Inc.(Loss) income from discontinued operations attributable to PQ Group Holdings Inc.(89,887)3,571 
Net (loss) income attributable to PQ Group Holdings Inc.Net (loss) income attributable to PQ Group Holdings Inc.$(92,635)$224 
Net (loss) income per share:Net (loss) income per share:
Basic loss per share - continuing operationsBasic loss per share - continuing operations$(0.02)$(0.02)
Diluted loss per share - continuing operationsDiluted loss per share - continuing operations$(0.02)$(0.02)
Basic (loss) income per share - discontinued operationsBasic (loss) income per share - discontinued operations$(0.66)$0.02 
Diluted (loss) income per share - discontinued operationsDiluted (loss) income per share - discontinued operations$(0.66)$0.02 
Basic loss per shareBasic loss per share$(0.68)$0.00 
Diluted loss per shareDiluted loss per share$(0.68)$0.00 
Weighted average shares outstanding:Weighted average shares outstanding:Weighted average shares outstanding:
BasicBasic135,106,969 134,511,819 135,292,163 134,213,571 Basic136,006,082 135,240,897 
DilutedDiluted135,979,118 135,649,710 136,188,033 135,305,370 Diluted136,006,082 136,086,082 
See accompanying notes to condensed consolidated financial statements.

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PQ GROUP HOLDINGS INC. AND SUBSIDIARIES
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
(in thousands)
(unaudited)
 
Three months ended
September 30,
Nine months ended
September 30,
2020201920202019
Net income$7,810 $26,819 $24,566 $60,979 
Other comprehensive income (loss), net of tax:
Pension and postretirement benefits(20)(59)(48)(120)
Net (loss) gain from hedging activities945 35 911 (2,684)
Foreign currency translation13,572 (13,872)(20,844)(620)
Total other comprehensive income (loss)14,497 (13,896)(19,981)(3,424)
Comprehensive income22,307 12,923 4,585 57,555 
Less: Comprehensive income (loss) attributable to noncontrolling interests607 (304)(1,899)586 
Comprehensive income attributable to PQ Group Holdings Inc.$21,700 $13,227 $6,484 $56,969 
Three months ended
March 31,
20212020
Net (loss) income$(92,518)$509 
Other comprehensive loss, net of tax:
Pension and postretirement benefits(43)(15)
Net gain (loss) from hedging activities765 (529)
Foreign currency translation(3,861)(46,355)
Total other comprehensive loss(3,139)(46,899)
Comprehensive loss(95,657)(46,390)
Less: Comprehensive loss attributable to noncontrolling interests(277)(3,203)
Comprehensive loss attributable to PQ Group Holdings Inc.$(95,380)$(43,187)
See accompanying notes to condensed consolidated financial statements.

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PQ GROUP HOLDINGS INC. AND SUBSIDIARIES
CONDENSED CONSOLIDATED BALANCE SHEETS
(in thousands, except share and per share amounts)
(unaudited)

September 30,
2020
December 31,
2019
March 31,
2021
December 31,
2020
ASSETSASSETSASSETS
Cash and cash equivalentsCash and cash equivalents$164,348 $72,284 Cash and cash equivalents$55,171 $114,011 
Accounts receivable, netAccounts receivable, net196,082 179,632 Accounts receivable, net56,987 46,183 
Inventories, netInventories, net249,662 280,945 Inventories, net48,934 52,789 
Prepaid and other current assetsPrepaid and other current assets37,409 35,730 Prepaid and other current assets16,767 11,677 
Current assets held for saleCurrent assets held for sale191,380 204,007 
Total current assetsTotal current assets647,501 568,591 Total current assets369,239 428,667 
Investments in affiliated companiesInvestments in affiliated companies479,454 472,929 Investments in affiliated companies455,285 458,128 
Property, plant and equipment, netProperty, plant and equipment, net1,135,757 1,186,770 Property, plant and equipment, net593,016 591,710 
GoodwillGoodwill1,263,853 1,259,805 Goodwill429,505 391,565 
Other intangible assets, netOther intangible assets, net638,772 676,385 Other intangible assets, net134,661 137,446 
Right-of-use lease assetsRight-of-use lease assets56,232 57,295 Right-of-use lease assets31,711 28,943 
Other long-term assetsOther long-term assets102,873 99,070 Other long-term assets15,142 12,445 
Long-term assets held for saleLong-term assets held for sale1,035,418 1,149,443 
Total assetsTotal assets$4,324,442 $4,320,845 Total assets$3,063,977 $3,198,347 
LIABILITIESLIABILITIESLIABILITIES
Notes payable and current maturities of long-term debt$14,538 $7,766 
Current maturities of long-term debtCurrent maturities of long-term debt$$
Accounts payableAccounts payable116,797 144,365 Accounts payable42,012 38,106 
Operating lease liabilities—current Operating lease liabilities—current16,774 15,183 Operating lease liabilities—current7,458 6,715 
Accrued liabilitiesAccrued liabilities86,117 102,154 Accrued liabilities47,065 45,475 
Current liabilities held for saleCurrent liabilities held for sale96,087 111,569 
Total current liabilitiesTotal current liabilities234,226 269,468 Total current liabilities192,622 201,865 
Long-term debt, excluding current portionLong-term debt, excluding current portion1,905,007 1,899,196 Long-term debt, excluding current portion1,401,573 1,400,369 
Deferred income taxesDeferred income taxes224,457 218,037 Deferred income taxes120,928 125,668 
Operating lease liabilities—noncurrent Operating lease liabilities—noncurrent38,341 40,156 Operating lease liabilities—noncurrent24,079 21,972 
Other long-term liabilitiesOther long-term liabilities118,225 108,670 Other long-term liabilities15,247 15,744 
Long-term liabilities held for saleLong-term liabilities held for sale123,045 155,550 
Total liabilitiesTotal liabilities2,520,256 2,535,527 Total liabilities1,877,494 1,921,168 
Commitments and contingencies (Note 17)Commitments and contingencies (Note 17)Commitments and contingencies (Note 17)00
EQUITYEQUITYEQUITY
Common stock ($0.01 par); authorized shares 450,000,000; issued shares 136,787,670 and 136,861,382 on September 30, 2020 and December 31, 2019, respectively; outstanding shares 136,056,817 and 136,464,961 on September 30, 2020 and December 31, 2019, respectively1,368 1,369 
Preferred stock ($0.01 par); authorized shares 50,000,000; 0 shares issued or outstanding on September 30, 2020 and December 31, 2019
Common stock ($0.01 par); authorized shares 450,000,000; issued shares 137,815,163 and 137,102,143 on March 31, 2021 and December 31, 2020, respectively; outstanding shares 136,932,950 and 136,318,557 on March 31, 2021 and December 31, 2020, respectivelyCommon stock ($0.01 par); authorized shares 450,000,000; issued shares 137,815,163 and 137,102,143 on March 31, 2021 and December 31, 2020, respectively; outstanding shares 136,932,950 and 136,318,557 on March 31, 2021 and December 31, 2020, respectively1,378 1,371 
Preferred stock ($0.01 par); authorized shares 50,000,000; 0 shares issued or outstanding on March 31, 2021 and December 31, 2020Preferred stock ($0.01 par); authorized shares 50,000,000; 0 shares issued or outstanding on March 31, 2021 and December 31, 2020
Additional paid-in capitalAdditional paid-in capital1,715,504 1,696,899 Additional paid-in capital1,484,799 1,477,859 
Retained earnings126,675 103,013 
Treasury stock, at cost; shares 730,853 and 396,421 on September 30, 2020 and December 31, 2019, respectively(10,534)(6,483)
Accumulated deficitAccumulated deficit(268,393)(175,758)
Treasury stock, at cost; shares 882,213 and 783,586 on March 31, 2021 and December 31, 2020, respectivelyTreasury stock, at cost; shares 882,213 and 783,586 on March 31, 2021 and December 31, 2020, respectively(12,551)(11,081)
Accumulated other comprehensive lossAccumulated other comprehensive loss(32,526)(15,348)Accumulated other comprehensive loss(18,010)(15,265)
Total PQ Group Holdings Inc. equityTotal PQ Group Holdings Inc. equity1,800,487 1,779,450 Total PQ Group Holdings Inc. equity1,187,223 1,277,126 
Noncontrolling interestNoncontrolling interest3,699 5,868 Noncontrolling interest(740)53 
Total equityTotal equity1,804,186 1,785,318 Total equity1,186,483 1,277,179 
Total liabilities and equityTotal liabilities and equity$4,324,442 $4,320,845 Total liabilities and equity$3,063,977 $3,198,347 
See accompanying notes to condensed consolidated financial statements.
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PQ GROUP HOLDINGS INC. AND SUBSIDIARIES
CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY
(in thousands)
(unaudited)
Common
stock
Additional
paid-in
capital
Retained
earnings
Treasury
stock, at
cost 
Accumulated
other
comprehensive
income (loss)
Non-
controlling
interest
Total
Balance, December 31, 2019$1,369 $1,696,899 $103,013 $(6,483)$(15,348)$5,868 $1,785,318 
Net income— — 224 — — 285 509 
Other comprehensive income— — — — (43,411)(3,488)(46,899)
Repurchases of common shares— — — (3,889)— — (3,889)
Stock compensation expense— 5,920 — — — — 5,920 
Shares issued under equity incentive plan, net of forfeitures177 — — — — 181 
Balance, March 31, 2020$1,373 $1,702,996 $103,237 $(10,372)$(58,759)$2,665 $1,741,140 
Net income— — 15,926 — — 321 16,247 
Other comprehensive income— — — — 12,045 376 12,421 
Stock compensation expense— 6,366 — — — — 6,366 
Shares issued under equity incentive plan, net of forfeitures(5)— — — — 
Balance, June 30, 2020$1,368 $1,709,367 $119,163 $(10,372)$(46,714)$3,362 $1,776,174 
Net income— — 7,512 — — 298 7,810 
Other comprehensive income (loss)— — — — 14,188 309 14,497 
Repurchases of common shares— — — (162)— — (162)
Distributions to noncontrolling interests— — — — — (270)(270)
Stock compensation expense— 6,137 — — — — 6,137 
Balance, September 30, 2020$1,368 $1,715,504 $126,675 $(10,534)$(32,526)$3,699 $1,804,186 
Common
stock
Additional
paid-in
capital
Retained
earnings
Treasury
stock, at
cost 
Accumulated
other
comprehensive
income (loss)
Non-
controlling
interest 
Total 
Balance, December 31, 2018, as previously reported$1,358 $1,674,703 $25,523 $(2,920)$(39,104)$4,585 $1,664,145 
Cumulative effect adjustment from adoption of new accounting standards— — (2,049)— 1,874 — (175)
December 31, 2018, as adjusted$1,358 $1,674,703 $23,474 $(2,920)$(37,230)$4,585 $1,663,970 
Net income— — 3,151 — — 290 3,441 
Other comprehensive income— — — — 5,270 315 5,585 
Repurchases of common shares— — — (1,339)— — (1,339)
Stock compensation expense— 3,400 — — — — 3,400 
Shares issued under equity incentive plan, net of forfeitures213 — — — — 215 
Balance, March 31, 2019$1,360 $1,678,316 $26,625 $(4,259)$(31,960)$5,190 $1,675,272 
Net income— — 30,574 — — 145 30,719 
Other comprehensive income— — — — 4,747 140 4,887 
Distributions to noncontrolling interests— — — — — (156)(156)
Stock compensation expense— 5,370 — — — — 5,370 
Shares issued under equity incentive plan, net of forfeitures3,256 — — — — 3,260 
Balance, June 30, 2019$1,364 $1,686,942 $57,199 $(4,259)$(27,213)$5,319 $1,719,352 
Net income— — 26,713 — — 106 26,819 
Other comprehensive income— — — — (13,486)(410)(13,896)
Repurchases of common shares— — — (896)— — (896)
Stock compensation expense— 4,806 — — — — 4,806 
Shares issued under equity incentive plan, net of forfeitures475 — — — — 476 
Balance, September 30, 2019$1,365 $1,692,223 $83,912 $(5,155)$(40,699)$5,015 $1,736,661 

Common
stock
Additional
paid-in
capital
(Accumulated deficit)Treasury
stock, at
cost 
Accumulated
other
comprehensive
income (loss)
Non-
controlling
interest
Total
Balance, December 31, 2020$1,371 $1,477,859 $(175,758)$(11,081)$(15,265)$53 $1,277,179 
Net (loss) income— — (92,635)— — 117 (92,518)
Other comprehensive loss— — — — (2,745)(394)(3,139)
Repurchases of common shares— — — (1,470)— — (1,470)
Distributions to noncontrolling interests— — — — — (516)(516)
Stock compensation expense— 6,877 — — — — 6,877 
Shares issued under equity incentive plan, net of forfeitures63 — — — — 70 
Balance, March 31, 2021$1,378 $1,484,799 $(268,393)$(12,551)$(18,010)$(740)$1,186,483 
Common
stock
Additional
paid-in
capital
Retained
earnings
Treasury
stock, at
cost 
Accumulated
other
comprehensive
income (loss)
Non-
controlling
interest 
Total 
Balance, December 31, 2019$1,369 $1,696,899 $103,013 $(6,483)$(15,348)$5,868 $1,785,318 
Net income— — 224 — — 285 509 
Other comprehensive loss— — — — (43,411)(3,488)(46,899)
Repurchases of common shares— — — (3,889)— — (3,889)
Stock compensation expense— 5,920 — — — — 5,920 
Shares issued under equity incentive plan, net of forfeitures177 — — — — 181 
Balance, March 31, 2020$1,373 $1,702,996 $103,237 $(10,372)$(58,759)$2,665 $1,741,140 
See accompanying notes to condensed consolidated financial statements.
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PQ GROUP HOLDINGS INC. AND SUBSIDIARIES
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
(in thousands)
(unaudited)
Nine months ended
September 30,
20202019
Cash flows from operating activities:
Net income$24,566 $60,979 
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation99,981 97,088 
Amortization36,332 38,142 
Amortization of deferred financing costs and original issue discount3,743 4,352 
Debt extinguishment costs14,146 1,767 
Foreign currency exchange (gain) loss(2,100)5,380 
Pension and postretirement healthcare benefit expense639 2,731 
Pension and postretirement healthcare benefit funding(8,734)(8,917)
Deferred income tax provision9,815 16,822 
Net (gain) loss on asset disposals3,948 (7,697)
Stock compensation18,423 13,576 
Equity in net income from affiliated companies(20,025)(31,625)
Dividends received from affiliated companies15,098 20,072 
Net interest income on swaps designated as net investment hedges(4,622)(8,435)
Other, net(1,119)(887)
Working capital changes that provided (used) cash, excluding the effect of acquisitions and dispositions:
Receivables(20,670)(22,472)
Inventories8,613 (1,793)
Prepaids and other current assets(375)268 
Accounts payable(10,076)(4,072)
Accrued liabilities(16,977)6,615 
Net cash provided by operating activities150,606 181,894 
Cash flows from investing activities:
Purchases of property, plant and equipment(76,764)(91,653)
Proceeds from sale of product line18,000 28,000 
Proceeds from sale of assets10,330 
Proceeds from sale of investment1,761 
Net interest proceeds on swaps designated as net investment hedges4,622 8,435 
Other, net475 
Net cash used in investing activities(42,051)(54,743)
Cash flows from financing activities:
Draw down of revolving credit facilities175,445 161,630 
Repayments of revolving credit facilities(174,668)(160,342)
Issuance of long-term debt, net of discount640,340 
Debt issuance costs(8,987)
Repayments of long-term debt(627,506)(105,821)
Debt prepayment fees(10,550)
Stock repurchases(4,051)(2,235)
Distributions to noncontrolling interests(270)(156)
Proceeds from stock options exercised181 3,956 
Other, net(160)(283)
Net cash used in financing activities(10,226)(103,251)
Effect of exchange rate changes on cash, cash equivalents and restricted cash(5,955)(3,371)
Net change in cash, cash equivalents and restricted cash92,374 20,529 
Cash, cash equivalents and restricted cash at beginning of period73,917 59,726 
Cash, cash equivalents and restricted cash at end of period$166,291 $80,255 
Three months ended
March 31,
20212020
Cash flows from operating activities:
Net (loss) income$(92,518)$509 
Net loss (income) from discontinued operations89,770 (3,856)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation16,526 15,777 
Amortization2,974 2,898 
Amortization of deferred financing costs and original issue discount532 724 
Foreign currency exchange loss5,101 7,070 
Pension and postretirement healthcare (benefit) expense(595)131 
Pension and postretirement healthcare funding(891)
Deferred income tax benefit(4,344)(699)
Net loss on asset disposals778 163 
Stock compensation6,305 4,294 
Equity in net income from affiliated companies(5,210)(8,295)
Dividends received from affiliated companies5,000 
Other, net(3,395)(267)
Working capital changes that provided (used) cash, excluding the effect of acquisitions and dispositions:
Receivables(9,404)(1,219)
Inventories4,564 3,495 
Prepaids and other current assets(2,232)(291)
Accounts payable4,652 (3,111)
Accrued liabilities(1,958)(5,352)
Net cash provided by operating activities, continuing operations16,546 11,080 
Net cash provided by (used in) operating activities, discontinued operations877 (6,549)
Net cash provided by operating activities17,423 4,531 
Cash flows from investing activities:
Purchases of property, plant and equipment(12,563)(10,005)
Business combinations, net of cash acquired(41,994)
Proceeds from sale of assets2,375 
Net cash used in investing activities, continuing operations(54,557)(7,630)
Net cash used in investing activities, discontinued operations(22,012)(14,568)
Net cash used in investing activities(76,569)(22,198)
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Three months ended
March 31,
20212020
Cash flows from financing activities:
Draw down of revolving credit facilities104,029 
Repayments of revolving credit facilities(44,983)
Debt issuance costs(3,023)
Stock repurchases(1,470)(3,889)
Other, net12 447 
Net cash (used in) provided by financing activities, continuing operations(1,458)52,581 
Net cash (used in) provided by financing activities, discontinued operations(520)5,720 
Net cash (used in) provided by financing activities$(1,978)$58,301 
Effect of exchange rate changes on cash, cash equivalents and restricted cash(2,708)(4,263)
Net change in cash, cash equivalents and restricted cash(63,832)36,371 
Cash, cash equivalents and restricted cash at beginning of period137,219 73,917 
Cash, cash equivalents and restricted cash at end of period$73,387 $110,288 
Less: cash, cash equivalents, and restricted cash of discontinued operations(16,625)(53,356)
Cash, cash equivalents and restricted cash at end of period of continuing operations$56,762 $56,932 
For supplemental cash flow disclosures, see Note 21.
See accompanying notes to condensed consolidated financial statements.
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PQ GROUP HOLDINGS INC. AND SUBSIDIARIES
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)


1. Background and Basis of Presentation:
Description of Business
PQ Group Holdings Inc. and subsidiaries (the “Company” or “PQ Group Holdings”) is a leading integrated and innovative global provider of specialty catalysts materials, chemicals and services. The Company supports customers globally through its strategically located network of manufacturing facilities. The Company believes that its products, which are predominantly inorganic, and services contribute to improving the sustainability of the environment.
The Company has 42 uniquely positioned specialty businesses: Refining Services provides sulfuric acid recycling to the North American refining industry;industry for the production of alkylate and provides on-purpose virgin sulfuric acid for water treatment, mining, and industrial applications; and Catalysts serves the packagingprovides finished silica catalysts and engineeredcatalyst supports necessary to produce high strength and high stiffness plastics industry and, through its Zeolyst joint venture, supplies zeolites used for catalysts that remove nitric oxide from diesel engine emissions as well as sulfur from fuels during the global refining petrochemical and emissions control industries; Performance Materials produces transportation reflective safety markings for roads and airports; and Performance Chemicals supplies diverse product end uses, including personal and industrial cleaning products, fuel-efficient tires, surface coatings, and food and beverage products.process.
Seasonal changes and weather conditions typically affect theThe Company’s Performance Materials and Refining Services segments. In particular, the Performance Materials segment generally experiences lower sales and profit in the first and fourth quarters of the year because highway striping projects typically occur during warmer weather months. The Refining Services segment typically experiences similar seasonal fluctuations as a result of higher demand for gasoline products in the summer months and lower demand in the winter months. As aThese demand fluctuations result in higher sales and working capital requirements tend to be higher in the firstsecond and second quartersthird quarters.
Effective December 14, 2020, the Company completed the sale of its Performance Materials business and the year, which can adversely affect the Company’s liquidity and cash flows. Becauseresults of operations of this seasonality associated with certain ofbusiness have been presented as discontinued operations in the Company’s segments, results for any one quarter are not necessarily indicative of the results that may be achieved for any other quarter orcondensed consolidated financial statements for the full year.three months ended March 31, 2020. See Note 3 for more information on the transaction.
On October 15, 2020,February 28, 2021, the Company entered into a definitive agreement to sell its Performance MaterialsChemicals business for $650,000 in cash,$1,100,000, subject to customarycertain purchase price adjustments as set forth in the agreement. Refer to Note 22Upon entering into the definitive agreement, the transaction met the held for sale criteria and consequently the financial results of thesethe Performance Chemicals business are reported in discontinued operations in the condensed consolidated financial statements for additionalall periods presented. See Note 3 for more information relatedon the transaction.
The notes to the sale.condensed consolidated financial statements, unless otherwise indicated, are on a continuing operations basis.
Basis of Presentation
The condensed consolidated financial statements included herein are unaudited. Certain information and footnote disclosures normally included in annual financial statements prepared in accordance with accounting principles generally accepted in the United States (“GAAP”) have been condensed or omitted pursuant to such rules and regulations for interim reporting. In the opinion of management, all adjustments of a normal and recurring nature necessary to state fairly the financial position and results of operations have been included. The results of operations are not necessarily indicative of the results to be expected for the full year. The accompanying unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and related notes included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2019.
COVID-19
In March 2020, the outbreak of a novel coronavirus (“COVID-19”) was declared a national emergency in the United States. COVID-19 continues to spread in the United States and other parts of the world and has adversely impacted economic activity and contributed to volatility in financial markets. In response to the COVID-19 pandemic, the federal government and various state, local and foreign governments have issued decrees and orders that have disrupted many businesses and implemented social distancing, travel and other restrictions. In response to these restrictions, the Company has taken a variety of actions, including an international travel ban, distribution of personal protective equipment to employees and work-at-home requirements for many of the Company’s employees who are not an integral part of its manufacturing operations. The Company has also implemented and refined its existing business continuity plans in an effort to minimize operational disruptions. The Company’s manufacturing operations, as well as the operations of its key vendors and the majority of its key customers, have continued to operate with limited interruptions. The extent and impact of the COVID-19 pandemic on the Company’s business is highly uncertain and difficult to predict due to the rapidly evolving environment and continued uncertainties created by the COVID-19 pandemic. The Company is not aware of any specific event or circumstance that would require an update to our estimates or judgments or a revision of the carrying value of its assets or liabilities as of the date of the issuance of the condensed consolidated financial statements. These estimates may change, as the pandemic continues to evolve and the duration remains uncertain, and may adversely impact the Company’s results of operations, financial condition or cash flow.2020.
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

2. New Accounting Standards:
Recently Adopted Accounting Standards
In June 2016, the Financial Accounting Standards Board (“FASB”) issued guidance that affects loans, trade receivables and any other financial assets that have the contractual right to receive cash. Under the new guidance, an entity is required to recognize expected credit losses rather than incurred losses for financial assets. The new guidance is effective for fiscal years beginning after December 15, 2019 and interim periods within those fiscal years. The Company adopted the new guidance effective January 1, 2020, with no material impact to the Company’s consolidated financial position, results of operations or cash flows.
In August 2018, the FASB issued guidance which modifies certain disclosure requirements over fair value measurements. The guidance is effective for fiscal years beginning after December 15, 2019, including all interim periods within that fiscal year. The Company adopted the new guidance effective January 1, 2020. The Company does not classify any of its derivative contracts as Level 3 assets or liabilities, nor did the Company have any transfers amongst fair value levels during the nine months ended September 30, 2020. As such, the guidance did not have an impact on the fair value measurement disclosures included in the Company’s consolidated financial statements.
In January 2017, the FASB issued guidance which eliminates the second step from the traditional two-step goodwill impairment test. Under current guidance, an entity performed the first step of the goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount; if an impairment loss was indicated, the entity computed the implied fair value of goodwill to determine whether an impairment loss existed, and if so, the amount to recognize. Under the new guidance, an impairment loss is recognized for the amount by which the carrying amount exceeds the reporting unit’s fair value (the Step 1 test), with no further testing required. Any impairment loss recognized is limited to the amount of goodwill allocated to the reporting unit. The new guidance is effective for public companies that are Securities and Exchange Commission (“SEC”) registrants for fiscal years beginning after December 15, 2019, with early adoption permitted for goodwill impairment tests performed on testing dates after January 1, 2017. The Company adopted the new guidance on January 1, 2020, and will apply the guidance prospectively to its goodwill impairment tests.
Accounting Standards Not Yet Adopted
In December 2019, the FASB issued new guidance to simplify the accounting for income taxes by removing certain exceptions to the general principles and also simplification of areas such as franchise taxes, step-up in tax basis goodwill, separate entity financial statements and interim recognition of enactment of tax laws or rate changes. The new guidance is effective for fiscal years beginning after December 15, 2020 and interim periods within those fiscal years, with early adoption permitted. The Company is currently evaluatingadopted the impact of this new guidance on itseffective January 1, 2021, with no material impact to the Company’s condensed consolidated financial statements.position, results of operations or cash flows.
Accounting Standards Not Yet Adopted
In March 2020, the FASB issued guidance to address certain accounting consequences from the anticipated transition from the use of the London Interbank Offered Rate (“LIBOR”) and other interbank offered rates to alternative reference rates. The new guidance contains practical expedients for reference rate reform related activities that impact debt, leases, derivatives and other contracts. The guidance is optional and may be elected over time as reference rate reform activities occur. During the three months ended September 30, 2020, theThe Company elected to apply the hedge accounting expedients related to probability and the assessments of effectiveness for future LIBOR-indexed cash flows to assume that the index upon which future hedged transactions will be based on matches the index of the corresponding derivatives. Application of these expedients preserves the presentation of derivatives consistent with past presentation. The Company continues to evaluate the impact of the guidance and may apply other elections as applicable as additional changes in the market occur.
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

3. Revenue from Contracts with Customers:Divestitures:
Disaggregated RevenuePerformance Materials Divestiture
TheOn December 14, 2020, the Company completed the sale of its Performance Materials business. In the fourth quarter of 2020, the Performance Materials business met the criteria set forth in Accounting Standards Codification 205-20, Presentation of Financial Statements - Discontinued Operations (“ASC 205-20”), as the sale represented a strategic shift that had a major effect on the Company’s primary means of disaggregating revenues is by reportable segments, which can be found in Note 18 to theseoperations and financial results. As a result, the Company’s condensed consolidated financial statements.
statements for the three months ended March 31, 2020 reflect the Performance Materials business as a discontinued operation. The Company’s portfoliodivested business historically represented a reportable segment of products are integrated into a variety of end uses, which are describedthe Company, including certain Australian operations that were historically reported in the table below.
Key End UsesKey Products
Industrial & process chemicals• Silicate precursors for the tire industry
• Glass beads, or microspheres, for metal finishing end uses
Fuels & emission control• Refining catalysts
• Emission control catalysts
• Catalyst recycling services
• Silicate for catalyst manufacturing
Packaging & engineered plastics• Catalysts for high-density polyethlene and chemicals syntheses
• Antiblock for film packaging
• Solid and hollow microspheres for composite plastics
• Sulfur derivatives for nylon production
Highway safety & construction• Reflective markings for roadways and airports
• Silica gels for surface coatings
Consumer products• Silica gels for edible oil and beer clarification
• Precipitated silicas, silicates and zeolites for the dentifrice and
  dishwasher and laundry detergent applications
Natural resources• Silicates for drilling muds
• Hollow glass beads, or microspheres, for oil well cements
• Silicates and alum for water treatment mining
• Bleaching aids for paper














Performance Chemicals reportable segment.

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

The following tables disaggregatetable summarizes the results of discontinued operations related to the Performance Materials divestiture:
Three months ended
March 31,
2020
Sales$67,891 
Cost of goods sold51,587 
Selling, general and administrative expenses9,285 
Other operating expense, net12,874 
Operating loss(5,855)
Interest expense, net (1)
5,132 
Other income, net(912)
Loss from discontinued operations before income tax(10,075)
Benefit for income taxes(4,285)
Loss from discontinued operations, net of tax$(5,790)

(1)The closing of the transaction triggered the Company’s sales, by segmentobligation to provide partial repayment under its Amended and end use,Restated Term Loan Credit Agreement, dated May 4, 2016 and its New Term Loan Credit Agreement, dated as of July 22, 2020. As such, interest expense has been allocated to discontinued operations on the basis of the Company’s mandatory repayment of $275,787 of the Senior Secured Term Loan Facility due February 2027 and its mandatory repayment of $188,722 of the New Senior Secured Term Loan Facility due February 2027.
During the three months ended March 31, 2021, the Company incurred transaction costs of $1,446 and stock-based compensation expense of $653, and an associated tax benefit of $514 related to the Performance Materials divestiture which is included in loss from discontinued operations, net of tax.
Net income attributable to the noncontrolling interest related to the Performance Materials business, net of tax was $51 for the three months ended March 31, 2020. Net loss attributable to PQ Group Holdings Inc., related to the Performance Materials business, net of tax was $5,841 for the three months ended March 31, 2020.
Upon the close of the transaction, the Company entered into a Transition Services Agreement with the buyer pursuant to which the buyer is receiving certain services to provide for the orderly transition of various functions and processes after the closing of the transaction. The services under the Transition Services Agreement include information technology, accounting, tax, financial services, human resources, facilities, and other administrative support services. These services are provided for a period of nine months, with three 30-day extensions available. The Company billed $1,571 under the Transition Services Agreement to the buyer during the three months ended September 30, 2020March 31, 2021. Those billings are included in selling, general and 2019:administrative expenses on the condensed consolidated financial statements for the three months ended March 31, 2021.
Three months ended September 30, 2020
Refining
Services
CatalystsPerformance
Materials
Performance
Chemicals
Total
Industrial & process chemicals$17,447 $51 $11,134 $47,786 $76,418 
Fuels & emission control(1)
60,022 700 60,722 
Packaging & engineered plastics10,941 23,020 15,438 11,987 61,386 
Highway safety & construction(1)
74,672 19,553 94,225 
Consumer products56,304 56,304 
Natural resources19,194 3,330 12,183 34,707 
Total segment sales107,604 23,071 104,574 148,513 383,762 
Eliminations(764)(51)(57)(2,571)(3,443)
Total$106,840 $23,020 $104,517 $145,942 $380,319 
Three months ended September 30, 2019
Refining
Services
CatalystsPerformance
Materials
Performance
Chemicals
Total
Industrial & process chemicals$20,180 $47 $12,225 $54,696 $87,148 
Fuels & emission control(1)
70,048 70,048 
Packaging & engineered plastics12,197 25,565 16,886 12,048 66,696 
Highway safety & construction(1)
82,502 20,800 103,302 
Consumer products64,849 64,849 
Natural resources15,910 3,521 15,556 34,987 
Total segment sales118,335 25,612 115,134 167,949 427,030 
Eliminations(813)(47)(18)(2,351)(3,229)
Total$117,522 $25,565 $115,116 $165,598 $423,801 
Performance Chemicals Divestiture
On February 28, 2021, the Company entered into a definitive agreement to sell its Performance Chemicals business to Sparta Aggregator L.P., a partnership established by Koch Minerals & Trading, LLC and Cerberus Capital Management, L.P. for a purchase price of $1,100,000 which is subject to certain adjustments including indebtedness, cash, working capital and transaction expenses. The transaction is expected to close by the end of 2021, subject to regulatory approvals and customary closing conditions.
In the first quarter of 2021, the Performance Chemicals business met the criteria set forth in ASC 205-20, as the sale represents a strategic shift that will have a major effect on the Company’s operations and financial results. As a result, the Company’s condensed consolidated financial statements for all periods presented reflect the Performance Chemicals business as a discontinued operation. The Performance Chemicals business historically represented a reportable segment of the Company.

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

Nine months ended September 30, 2020
Refining
Services
CatalystsPerformance
Materials
Performance
Chemicals
Total
Industrial & process chemicals$53,518 $100 $32,571 $151,367 $237,556 
Fuels & emission control(1)
166,416 700 167,119 
Packaging & engineered plastics29,147 73,043 46,554 35,814 184,558 
Highway safety & construction(1)
185,733 58,054 243,787 
Consumer products180,238 180,238 
Natural resources49,646 9,485 39,260 98,391 
Total segment sales298,727 73,143 274,346 465,433 1,111,649 
Eliminations(2,469)(100)(166)(7,472)(10,207)
Total$296,258 $73,043 $274,180 $457,961 $1,101,442 
Nine months ended September 30, 2019
Refining
Services
CatalystsPerformance
Materials
Performance
Chemicals
Total
Industrial & process chemicals$60,485 $109 $38,037 $175,009 $273,640 
Fuels & emission control(1)
191,243 191,243 
Packaging & engineered plastics38,953 62,226 51,863 41,121 194,163 
Highway safety & construction(1)
195,119 65,036 260,155 
Consumer products198,798 198,798 
Natural resources50,788 10,076 46,275 107,139 
Total segment sales341,469 62,335 295,095 526,239 1,225,138 
Eliminations(2,595)(109)(170)(7,567)(10,441)
Total$338,874 $62,226 $294,925 $518,672 $1,214,697 
The disposal group was tested for recoverability as of the balance sheet date, and the Company recognized an expected disposal loss of approximately $95,594 during the three months ended March 31, 2021. The expected disposal loss is included in net loss from discontinued operations, net of tax on the condensed consolidated statement of income. In the condensed consolidated balance sheet as of March 31, 2021, the Company recorded the disposal loss to goodwill and a valuation allowance of approximately $75,084 and $20,514, respectively, included in long-term assets held for sale. Completion of the sale may be for amounts that could vary from the current fair value estimate. The Company’s estimate of fair value will be evaluated and recognized each reporting period until the divestiture is complete.
The following table summarizes the results of discontinued operations related to Performance Chemicals for the periods presented:
Three months ended
March 31,
20212020
Sales$164,523 $171,184 
Cost of goods sold125,853 136,593 
Selling, general and administrative expenses11,716 11,733 
Other operating expense, net17,480 5,617 
Impairment of assets held for sale95,594 
Operating (loss) income(86,120)17,241 
Equity in net income from affiliated companies(38)(55)
Interest expense, net (1)
3,215 4,026 
Other income, net(5,523)(3,753)
(Loss) income from discontinued operations before income tax(83,774)17,023 
Provision for income taxes4,411 7,377 
(Loss) income from discontinued operations, net of tax$(88,185)$9,646 

(1)Upon the close of the transaction and finalization of net cash proceeds, the Company is required to use a portion of the proceeds to repay outstanding debt and is expected to restructure its debt, which is estimated to result in a debt reduction of $450,000 to $550,000. Certain debt requirements will be triggered that will result in the Company’s obligation to provide partial repayment under its Amended and Restated Term Loan Credit Agreement, dated May 4, 2016 and its New Term Loan Credit Agreement, dated as of July 22, 2020. As such, interest expense has been allocated to discontinued operations on the basis of the Company’s estimated mandatory repayment of $296,859 of the Senior Secured Term Loan Facility due February 2027 and its estimated mandatory repayment of $203,141 of the New Senior Secured Term Loan Facility due February 2027.
Net income attributable to the noncontrolling interest related to the Performance Chemicals business, net of tax was $117 and $234 for the three months ended March 31, 2021 and 2020, respectively. Net (loss) income attributable to PQ Group Holdings Inc., related to the Performance Chemicals business, net of tax was $(88,302) and $9,412 for the three months ended March 31, 2021 and 2020, respectively.
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

The following table summarizes the assets and liabilities of discontinued operations related to the Performance Chemicals divestiture as of March 31, 2021 and December 31, 2020.
March 31,
2021
December 31,
2020
ASSETS
Cash and cash equivalents$16,579 $21,520 
Accounts receivables, net91,265 86,961 
Inventories, net68,907 74,647 
Prepaid and other current assets14,629 20,879 
Current assets held for sale$191,380 $204,007 
Investments in affiliated companies$362 $324 
Property, plant and equipment, net382,699 391,524 
Goodwill248,736 326,173 
Other intangible assets, net381,001 388,857 
Right-of-use lease assets19,610 19,296 
Other long-term assets23,524 23,269 
Valuation allowance(20,514)
Long-term assets held for sale$1,035,418 $1,149,443 
LIABILITIES
Accounts payable$63,918 $74,754 
Operating lease liabilities—current8,105 8,479 
Accrued liabilities24,064 28,336 
Current liabilities held for sale$96,087 $111,569 
Deferred income taxes$53,572 $50,232 
Operating lease liabilities—noncurrent10,256 10,047 
Other long-term liabilities59,217 95,271 
Long-term liabilities held for sale$123,045 $155,550 


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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

4. Revenue from Contracts with Customers:
Disaggregated Revenue
The Company’s primary means of disaggregating revenues is by reportable segments, which can be found in Note 18 to these condensed consolidated financial statements.
The Company’s portfolio of products is integrated into a variety of end uses, which are described in the table below.
Key End UsesKey Products
Industrial & process chemicals• Sulfur derivatives for industrial production
• Treatment services
Fuels & emission control• Refining catalysts
• Emission control catalysts
• Catalyst recycling services
Packaging & engineered plastics• Catalysts for high-density polyethlene and chemicals syntheses
• Antiblock for film packaging
• Sulfur derivatives for nylon production
Natural resources• Sulfur derivatives for mining
The following tables disaggregate the Company’s sales, by segment and end use, for the three months ended March 31, 2021 and 2020:
Three months ended March 31, 2021
Refining
Services
CatalystsTotal
Industrial & process chemicals$16,947 $$16,947 
Fuels & emission control(1)
55,192 55,192 
Packaging & engineered plastics10,622 26,402 37,024 
Natural resources17,461 17,461 
Total segment sales100,222 26,402 126,624 

Three months ended March 31, 2020
Refining
Services
CatalystsTotal
Industrial & process chemicals$19,359 $47 $19,406 
Fuels & emission control(1)
55,710 55,710 
Packaging & engineered plastics10,734 24,817 35,551 
Natural resources14,887 14,887 
Total segment sales100,690 24,864 125,554 

(1)As described in Note 1, the Company experiences seasonal salessales fluctuations to customers in the fuels & emission control and highway safety & construction end uses.use.
Contract Assets and Liabilities
A contract asset is a right to consideration in exchange for goods that the Company has transferred to a customer when that right is conditional on something other than the passage of time. A contract liability exists when the Company receives consideration in advance of performance obligations.obligations being satisfied. The Company has 0 contract assets or liabilities on its condensed consolidated balance sheets as of September 30, 2020March 31, 2021 and December 31, 2019.
The Company2020. For the three months ended March 31, 2021 and 2020, revenue recognized a $11,486 contract liability associated with the sale of its magnesium silicate product line in July 2020, of which $10,785 of deferred revenue remained as of September 30, 2020. The Company recognized revenue of $806from performance obligations related to this contract liability during the three and nine months ended September 30, 2020. Refer to Note 7 of these condensed consolidated financial statements for additional information related to the sale of the product line.
The Company recognized a $9,000 contract liability associated with the sale of a portion of its sulfate salts product line in June 2019, of which $3,105 and $6,450 of deferred revenue remained as of September 30, 2020 and December 31, 2019, respectively. The Company recognized revenue of $1,035 and $3,339 related to this contract liability during the three and nine months ended September 30, 2020. The Company recognized revenue of $1,035 related to this contract liability during the three and nine months ended September 30, 2019. Refer to Note 7 of these condensed consolidated financial statements for additional information related to the sale of the product line.prior periods was not material.
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(Dollars in thousands, except share and per share amounts)
(unaudited)

4.5. Fair Value Measurements:
Fair values are based on quoted market prices when available. When market prices are not available, fair values are generally estimated using discounted cash flow analyses, incorporating current market inputs for similar financial instruments with comparable terms and credit quality. In instances where there is little or no market activity for the same or similar instruments, the Company estimates fair values using methods, models and assumptions that management believes a hypothetical market participant would use to determine a current transaction price. These valuation techniques involve some level of management estimation and judgment that becomes significant with increasingly complex instruments or pricing models. Where appropriate, adjustments are included to reflect the risk inherent in a particular methodology, model or input used.
The Company’s financial assets and liabilities carried at fair value have been classified based upon a fair value hierarchy. The hierarchy gives the highest ranking to fair values determined using unadjusted quoted prices in active markets for identical assets and liabilities (Level 1) and the lowest ranking to fair values determined using methodologies and models with unobservable inputs (Level 3). The classification of an asset or a liability is based on the lowest level input that is significant to its measurement. For example, a Level 3 fair value measurement may include inputs that are both observable (Levels 1 and 2) and unobservable (Level 3). The levels of the fair value hierarchy are as follows:
Level 1—Values are unadjusted quoted prices for identical assets and liabilities in active markets accessible at the measurement date. Active markets provide pricing data for trades occurring at least weekly and include exchanges and dealer markets.
Level 2—Inputs include quoted prices for similar assets or liabilities in active markets, quoted prices from those willing to trade in markets that are not active, or other inputs that are observable or can be corroborated by market data for the term of the instrument. Such inputs include market interest rates and volatilities, spreads and yield curves.
Level 3—Certain inputs are unobservable (supported by little or no market activity) and significant to the fair value measurement. Unobservable inputs reflect the Company’s best estimate of what hypothetical market participants would use to determine a transaction price for the asset or liability at the reporting date.
The following table presents information about the Company’s assets and liabilities that were measured at fair value on a recurring basis as of September 30, 2020March 31, 2021 and December 31, 2019,2020, and indicates the fair value hierarchy of the valuation techniques the Company utilized to determine such fair value.

September 30,
2020
Quoted Prices in
Active Markets
(Level 1) 
Significant Other
Observable Inputs
(Level 2)
Significant
Unobservable Inputs
(Level 3)
March 31,
2021
Quoted Prices in
Active Markets
(Level 1) 
Significant Other
Observable Inputs
(Level 2)
Significant
Unobservable Inputs
(Level 3)
Assets:Assets:Assets:
Derivative contracts (Note 14)Derivative contracts (Note 14)$5,173 $$5,173 $Derivative contracts (Note 14)$285 $$285 $
Restoration plan assets3,658 3,658 
Total$8,831 $3,658 $5,173 $
Liabilities:Liabilities:Liabilities:
Derivative contracts (Note 14)Derivative contracts (Note 14)$18,762 $$18,762 $Derivative contracts (Note 14)$3,023 $$3,023 $

December 31,
2019
Quoted Prices in
Active Markets
(Level 1) 
Significant Other
Observable Inputs
(Level 2)
Significant
Unobservable Inputs
(Level 3)
December 31,
2020
Quoted Prices in
Active Markets
(Level 1) 
Significant Other
Observable Inputs
(Level 2)
Significant
Unobservable Inputs
(Level 3)
Assets:
Derivative contracts (Note 14)$3,928 $$3,928 $
Restoration plan assets4,199 4,199 
Total$8,127 $4,199 $3,928 $
Liabilities:Liabilities:Liabilities:
Derivative contracts (Note 14)Derivative contracts (Note 14)$12,415 $$12,415 $Derivative contracts (Note 14)$3,704 $$3,704 $



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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

Restoration plan assets
The fair values of the Company’s restoration plan assets are determined through quoted prices in active markets. Restoration plan assets are assets held in a Rabbi trust to fund the obligations of the Company’s defined benefit supplementary retirement plans and include various stock and fixed income mutual funds. See Note 16 to these condensed consolidated financial statements regarding defined supplementary retirement plans. The Company’s restoration plan assets are included in other long-term assets on its condensed consolidated balance sheets. Gains and losses related to these investments are included in other expense, net in the Company’s condensed consolidated statements of income. Unrealized gains and losses associated with the underlying stock and fixed income mutual funds were immaterial as of September 30, 2020 and December 31, 2019, respectively.
Derivative contracts
Derivative assets and liabilities can be exchange-traded or traded over-the-counter (“OTC”). The Company generally values exchange-traded derivatives using models that calibrate to market transactions and eliminate timing differences between the closing price of the exchange-traded derivatives and their underlying instruments. OTC derivatives are valued using market transactions and other market evidence whenever possible, including market-based inputs to models, model calibration to market transactions, broker or dealer quotations or alternative pricing sources with reasonable levels of price transparency. When models are used, the selection of a particular model to value an OTC derivative depends on the contractual terms of, and specific risks inherent in, the instrument as well as the availability of pricing information in the market. The Company generally uses similar models to value similar instruments. Valuation models require a variety of inputs, including contractual terms, market prices and rates, forward curves, measures of volatility, and correlations of such inputs. For OTC derivatives that trade in liquid markets, such as forward contracts, swaps and options, model inputs can generally be corroborated by observable market data by correlation or other means, and model selection does not involve significant management judgment.
TheDuring the quarter ended March 31, 2021, the Company hashad interest rate caps, natural gas swapscaps and cross-currency swaps that arethat were fair valued using Level 2 inputs. In March 2021, the Company settled its cross-currency swaps, which were used as a hedging instrument of its net investment in foreign assets in its Performance Chemicals segment. Refer to Note 14 of these condensed consolidated financial statements for additional information. In addition, the Company applies a credit valuation adjustment to reflect credit risk which is calculated based on credit default swaps. To the extent that the Company’s net exposure under a specific master agreement is an asset, the Company utilizes the counterparty’s default swap rate. If the net exposure under a specific master agreement is a liability, the Company utilizes a default swap rate comparable to PQ Group Holdings. The credit valuation adjustment is added to the discounted fair value to reflect the exit price that a market participant would be willing to receive to assume the Company’s liabilities or that a market participant would be willing to pay for the Company’s assets.
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PQ GROUP HOLDINGS INC. AND SUBSIDIARIES
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

5.6. Stockholders' Equity:
Accumulated Other Comprehensive Income (Loss)
The following tables present the tax effects of each component of other comprehensive income (loss) for the three and nine months ended September 30, 2020March 31, 2021 and 2019:2020:
Three months ended September 30,Three months ended March 31,
2020201920212020
Pre-tax
amount
Tax benefit/
(expense)
After-tax amountPre-tax
amount
Tax benefit/
(expense)
After-tax amountPre-tax
amount
Tax benefit/
(expense)
After-tax amountPre-tax
amount
Tax benefit/
(expense)
After-tax amount
Defined benefit and other postretirement plans:Defined benefit and other postretirement plans:Defined benefit and other postretirement plans:
Amortization of net gains and (losses)$28 $(9)$19 $(10)$$(6)
Amortization of net gainsAmortization of net gains$$$$44 $(8)$36 
Amortization of prior service costAmortization of prior service cost(52)13 (39)(63)10 (53)Amortization of prior service cost(58)14 (44)(64)13 (51)
Benefit plans, netBenefit plans, net(24)(20)(73)14 (59)Benefit plans, net(57)14 (43)(20)(15)
Net (loss) gain from hedging activities1,260 (315)945 46 (11)35 
Net gain (loss) from hedging activitiesNet gain (loss) from hedging activities1,020 (255)765 (705)176 (529)
Foreign currency translation(1)
Foreign currency translation(1)
17,596 (4,024)13,572 (10,020)(3,852)(13,872)
Foreign currency translation(1)
(6,308)2,447 (3,861)(50,057)3,702 (46,355)
Other comprehensive income (loss)$18,832 $(4,335)$14,497 $(10,047)$(3,849)$(13,896)
Other comprehensive lossOther comprehensive loss$(5,345)$2,206 $(3,139)$(50,782)$3,883 $(46,899)
Nine months ended September 30,
20202019
Pre-tax
amount
Tax benefit/
(expense)
After-tax amountPre-tax
amount
Tax benefit/
(expense)
After-tax amount
Defined benefit and other postretirement plans:
Amortization of net gains and (losses)$93 $(25)$68 $(26)$$(18)
Amortization of prior service cost(155)39 (116)(128)26 (102)
Benefit plans, net(62)14 (48)(154)34 (120)
Net (loss) gain from hedging activities1,215 (304)911 (3,579)895 (2,684)
Foreign currency translation(1)
(19,308)(1,536)(20,844)4,731 (5,351)(620)
Other comprehensive income (loss)$(18,155)$(1,826)$(19,981)$998 $(4,422)$(3,424)

(1)The income tax benefit or expense included in other comprehensive income is attributed to the portion of foreign currency translation associated with the Company’s cross-currency interest rate swaps, for which the tax effect is based on the applicable U.S. deferred income tax rate. See Note 14 to these condensed consolidated financial statements for information regarding the Company’s cross-currency interest rate swaps.

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

The following table presents the changes in accumulated other comprehensive income (loss), net of tax, by component for the ninethree months ended September 30, 2020March 31, 2021 and 2019:2020:
Defined benefit
and other
postretirement
plans 
Net gain (loss)
from hedging
activities
Foreign
currency
translation 
Total Defined benefit
and other
postretirement
plans 
Net gain (loss)
from hedging
activities
Foreign
currency
translation 
Total 
December 31, 2019$3,568 $(1,838)$(17,078)$(15,348)
December 31, 2020December 31, 2020$5,278 $(660)$(19,883)$(15,265)
Other comprehensive income (loss) before reclassificationsOther comprehensive income (loss) before reclassifications(28)(18,041)(18,069)Other comprehensive income (loss) before reclassifications(86)683 (3,467)(2,870)
Amounts reclassified from accumulated other comprehensive income(1)
Amounts reclassified from accumulated other comprehensive income(1)
(48)939 891 
Amounts reclassified from accumulated other comprehensive income(1)
43 82 125 
March 31, 2021March 31, 2021$5,235 $105 $(23,350)$(18,010)
September 30, 2020$3,520 $(927)$(35,119)$(32,526)
December 31, 2018$(546)$637 $(39,195)$(39,104)
December 31, 2019December 31, 2019$3,568 $(1,838)$(17,078)$(15,348)
Other comprehensive loss before reclassificationsOther comprehensive loss before reclassifications(27)(3,163)(665)(3,855)Other comprehensive loss before reclassifications(2)(984)(42,867)(43,853)
Amounts reclassified from accumulated other comprehensive income(1)
Amounts reclassified from accumulated other comprehensive income(1)
(93)479 386 
Amounts reclassified from accumulated other comprehensive income(1)
(13)455 442 
Net current period other comprehensive loss(120)(2,684)(665)(3,469)
Tax Cuts and Jobs Act, reclassification from AOCI to retained earnings1,684 190 1,874 
September 30, 2019$1,018 $(1,857)$(39,860)$(40,699)
March 31, 2020March 31, 2020$3,553 $(2,367)$(59,945)$(58,759)

(1)See the following table for details about these reclassifications. Amounts in parentheses indicate debits.
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)


The following table presents the reclassifications out of accumulated other comprehensive income for the three and nine months ended September 30, 2020March 31, 2021 and 2019:2020:
Details about Accumulated Other Comprehensive
Income Components
Details about Accumulated Other Comprehensive
Income Components
Amounts Reclassified from Accumulated Other
Comprehensive Income(1)
Affected Line Item where
Income is Presented
Details about Accumulated Other Comprehensive
Income Components
Amounts Reclassified from Accumulated Other
Comprehensive Income(1)
Affected Line Item where
Income is Presented
Three months ended
September 30,
Nine months ended
September 30,
Three months ended
March 31,
202020192020201920212020
Amortization of defined benefit and other postretirement items:Amortization of defined benefit and other postretirement items:Amortization of defined benefit and other postretirement items:
Prior service credit$52 $32 $155 $97 
Other income (expense)(2)
Prior service (cost) creditPrior service (cost) credit$(58)$52 
Other income (expense)(2)
Actuarial gains (losses)Actuarial gains (losses)(28)(93)26 
Other income (expense)(2)
Actuarial gains (losses)(34)
Other income (expense)(2)
24 40 62 123 Total before tax(57)18 Total before tax
(4)(10)(14)(30)Tax expense14 (5)Tax benefit (expense)
$20 $30 $48 $93 Net of tax$(43)$13 Net of tax
Gains and losses on cash flow hedges:Gains and losses on cash flow hedges:Gains and losses on cash flow hedges:
Interest rate capsInterest rate caps$611 $(157)$(18)$(449)Interest expenseInterest rate caps$(109)$(231)Interest expense
Natural gas swapsNatural gas swaps(467)(291)(1,229)(187)Cost of goods soldNatural gas swaps(373)Cost of goods sold
144 (448)(1,247)(636)Total before tax(109)(604)Total before tax
(39)111 308 157 Tax benefit27 149 Tax benefit
$105 $(337)$(939)$(479)Net of tax$(82)$(455)Net of tax
Total reclassifications for the periodTotal reclassifications for the period$125 $(307)$(891)$(386)Net of taxTotal reclassifications for the period$(125)$(442)Net of tax

(1)Amounts in parentheses indicate debits to profit/loss.
(2)These accumulated other comprehensive income (loss) components are components of net periodic pension and other postretirement cost (see Note 16 to these condensed consolidated financial statements for additional details).
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

Stock Repurchase Program
The Company records repurchases of its common stock for treasury at cost. Upon the reissuance of the Company’s common stock from treasury, differences between the proceeds from reissuance and the average cost of the treasury stock are credited or charged to capital in excess of par value to the extent of prior credits related to the reissuance of treasury stock. If no such credits exist, the differences are charged to retained earnings.
On March 12, 2020, the Company’s Board approved a plan to purchase up to $50,000 of PQ Group Holdings Inc. common stock under a stock repurchase program approved by the Company’s Board of Directors. The Company may repurchase shares from time to time for cash in open market transactions or in privately negotiated transactions in accordance with applicable federal securities laws. The Company will determine the timing and the amount of any repurchases based on its evaluation of market conditions, share price and other factors. The stock repurchase program is valid until March 2022.
FromDuring the announcement date of the program through September 30,three months ended March 31, 2020, the Company repurchased 211,700 shares on the open market at an average price of $9.73, for a total of $2,059, none of which$2,059. The Company has not made any additional repurchases were made duringunder the three months ended September 30, 2020.program through March 31, 2021. As of September 30, 2020,March 31, 2021, $47,941 was available for additional share repurchases under the program.

7. Acquisition:
On March 1, 2021 (the “Closing Date”), the Company completed the acquisition of Chem32, LLC (“Chem32”) as part of a stock transaction (the “Acquisition”) for $44,000 in cash. The net cash paid on the closing date by the Company was $41,994, after certain customary adjustments for indebtedness, working capital, cash and a holdback amount pursuant to the agreement. Based in Orange, Texas, Chem32 is a leader in ex situ pre-sulfiding and pre-activation for hydro-processing catalysts.
The Acquisition was accounted for using the acquisition method of accounting. Under the acquisition method, the purchase price was allocated to the identifiable net assets acquired based on the fair values of the identifiable assets acquired and liabilities assumed as of the Closing Date. The excess of the purchase price over fair values of the identifiable net assets acquired was recorded to goodwill.
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

6. Asset Swap Transaction:
On February 19, 2020, the Company entered into a long-term agreement with a leading global thermoplastic producer to supply glass beads, and to meet that supply, exchanged inventory and production equipment related to the Company’s ThermoDrop® product line for inventory, production equipment and two glass bead manufacturing facilities (the “beads business”) of the thermoplastic producer (the “asset swap”) in a non-cash transaction. The acquisition of the beads business qualified for recognition as a business combination, which has been recorded using the acquisition method of accounting. Under the acquisition method, the purchase price is allocated to the identifiable net assets acquired based on the fair value as of the acquisition date. The excess of the purchase price over the fair value of the identifiable net assets acquired is recorded to goodwill.
The fair value of the assets exchanged related to the Company’s ThermoDrop® product line represents the purchase price consideration for the beads business. Based on the fair value of the assets disposed, the Company recognized a pre-tax loss on disposal of $6,475 during the nine months ended September 30, 2020, which is included in other operating expense, net in the Company’s condensed consolidated statement of income.
The following table sets forth the calculation and preliminary allocation of the consideration given andpurchase price to the identifiable net assets acquired with respect to the asset swap,Acquisition:

Provisional Purchase
Price Allocation
Cash paid, net of cash acquired$41,994 
Holdback2,000 
Total consideration, net of cash acquired$43,994 
Recognized amounts of identifiable assets acquired and liabilities assumed:
Receivables$1,368 
Inventories204 
Prepaid and other current assets351 
Property, plant and equipment5,046 
Other long-term assets38 
Fair value of assets acquired7,007 
Accounts payable207 
Accrued liabilities452 
Fair value of net identifiable assets acquired6,348 
Goodwill37,646 
$43,994 
The valuation of the identifiable assets and liabilities included in the table above is preliminary and is subject to change, as the Company is in the process of evaluating the information required to determine the fair values of certain identifiable assets and liabilities acquired, including inventory, property, plant and equipment and intangible assets. An increased portion of the purchase price allocated to the identifiable net assets acquired will reduce the amount recognized for goodwill and may result in increased cost of goods sold, depreciation and/or amortization expense. Adjustments to the provisional amounts during the measurement period that result in changes to depreciation, amortization or other income effects will be recognized in the reporting period(s) in which was completethe adjustments are determined.
The Company’s condensed consolidated financial statements include Chem32’s results of operations from the Closing Date through March 31, 2021. Net sales and net income attributable to Chem32 during this period are included in the Company’s condensed consolidated statement of income and are immaterial for the period presented. Pro forma financial information has not been presented as of June 30, 2020.
Provisional Purchase Price AllocationAdjustmentsPurchase Price
Allocation
Total consideration$25,166 $3,432 $28,598 
Recognized amounts of identifiable assets acquired and liabilities assumed:
Inventories$9,912 $127 $10,039 
Property, plant and equipment9,490 1,339 10,829 
Right-of-use lease assets378 378 
Fair value of assets acquired19,780 1,466 21,246 
Operating lease liabilities, current(203)(203)
Operating lease liabilities, non-current(175)(175)
(378)(378)
Fair value of net assets acquired19,402 1,466 20,868 
Goodwill5,764 1,966 7,730 
$25,166 $3,432 $28,598 
it is immaterial for the three months ended March 31, 2021 and 2020.
The Company believes that the asset swapAcquisition will expand its geographic footprint, enablingenable it to better serve its current and future customers. Combined with anticipated synergiesoffer a more robust portfolio of services within itsthe refining industry leveraging our existing business, thisrelationships, which contributed to a total purchase price that resulted in the recognition of goodwill. All of the goodwill was assigned to the Company’s Performance MaterialsRefining Services segment. The goodwill associated with the asset swapAcquisition is expected to be deductible for tax purposes.
Results of the beads business since the date of the asset swap are included in the Company’s condensed consolidated statements of income and were not material for disclosure. Amounts that would have been recognized in the Company’s condensed consolidated statements of income during the three months ended March 31, 2020 had the adjustments to the provisional amounts been recognized as of the date of the asset swap were not material. Transaction costs associated with the asset swap were not material for the three and nine months ended September 30, 2020.

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

7. Sale of Product Lines:
Magnesium Silicate Product Line Sale
On July 1, 2020, the Company completed the sale of its magnesium silicate product line within its Performance Chemicals segment for $18,000 and recorded a pre-tax gain on sale of $4,958. The transaction was recorded as an asset sale, with the gain on disposition included in the other operating expense, net line item in the Company’s condensed consolidated statement of income for the three and nine months ended September 30, 2020 (see Note 9 to these condensed consolidated financial statements for additional details). At the time of disposition, the carrying value of the Company’s inventory related to this non-core product line was $1,556. The Company allocated $11,486 of the consideration received to a contract liability for deferred revenue.
Concurrent with the product line sale, the Company entered into a tolling arrangement with the buyer in which the Company agreed to manufacture the product for the buyer through July 2025. The Company deferred $11,486 of the $18,000 consideration received as a liability, to be recognized as the Company executes its performance obligations over the term of the contractual agreement with the buyer.
Sulfate Salts Product Line Sale
On June 28, 2019, the Company completed the sale of a portion of its sulfate salts product line within its Performance Chemicals segment for $28,000, subject to a working capital adjustment, and recorded a pre-tax gain on sale of $11,362. The transaction was recorded as an asset sale, with the gain on disposition included in the other operating expense, net line item in the Company’s condensed consolidated statement of income for the nine months ended September 30, 2019 (see Note 9 to these condensed consolidated financial statements for additional details). At the time of disposition, the carrying value of the Company’s net working capital related to this non-core product line was $4,215. In addition to the net working capital sold as part of the transaction, the Company also derecognized $3,423 of property, plant and equipment related to the product line and allocated $9,000 of the consideration received to a contract liability for deferred revenue.
Concurrent with the product line sale, the Company entered into a tolling arrangement with the buyer in which the Company agreed to manufacture the product for the buyer, the majority of which runs until June 2021. The Company deferred $9,000 of the $28,000 consideration received as a liability, to be recognized as the Company executes its performance obligations over the term of the contractual agreement with the buyer. Additionally, the Company concluded that an embedded lease arrangement exists as a result of the combination of the sale and tolling agreements. Given the ability of the buyer to control substantially all of the output of the facilities and the existence of bargain purchase options on the manufacturing assets, the Company determined that the buyer is effectively leasing the assets from the Company and derecognized the associated property, plant and equipment under a sales-type leasing arrangement. The gain on the sale of fixed assets is included as part of the Company’s overall gain on sale related to the transaction, with the Company’s net investment in the leased assets having been settled as part of the consideration received in the transaction with no additional future cash flows to be recognized on the lease.
8. Goodwill:
The change in the carrying amount of goodwill for the nine months ended September 30, 2020 is summarized as follows:
 Refining ServicesCatalystsPerformance MaterialsPerformance ChemicalsTotal
Balance as of December 31, 2019$311,892 $78,611 $275,919 $593,383 $1,259,805 
Goodwill recognized7,730 7,730 
Foreign exchange impact(522)(321)(2,839)(3,682)
Balance as of September 30, 2020$311,892 $78,089 $283,328 $590,544 $1,263,853 
    

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

8. Goodwill:
The change in the carrying amount of goodwill for the three months ended March 31, 2021 is summarized as follows:
 Refining ServicesCatalystsTotal
Balance as of December 31, 2020$311,892 $79,673 $391,565 
Goodwill recognized (Note 7)37,646 37,646 
Foreign exchange impact294 294 
Balance as of March 31, 2021$349,538 $79,967 $429,505 
  

9. Other Operating Expense, Net:
A summary of other operating expense, net is as follows:
Three months ended
September 30,
Nine months ended
September 30,
Three months ended
March 31,
202020192020201920212020
Amortization expenseAmortization expense$8,653 $8,607 $25,840 $25,907 Amortization expense$2,186 $2,172 
Transaction and other related costs Transaction and other related costs3,116 2,930 5,760 3,938  Transaction and other related costs472 800 
Restructuring, integration and business optimization costs(1)
Restructuring, integration and business optimization costs(1)
4,577 539 9,617 650 
Restructuring, integration and business optimization costs(1)
2,259 348 
Net (gain) loss on asset disposals(2)
(4,453)1,136 3,948 (7,697)
Net loss on asset disposals Net loss on asset disposals778 163 
Environmental related costs1,174 553 2,501 
Other, netOther, net482 1,409 1,341 3,054 Other, net(188)(33)
$12,382 $15,795 $47,059 $28,353 $5,507 $3,450 

(1)During the three and ninethree months ended September 30, 2020 andMarch 31, 2021, 2019, the Company’s results were impacted by costs associated with the execution of the Company’s Simpler + Stronger strategic initiatives. Reclassifications have been made to the historical “Other, net” line item to conform with the current year presentation.
(2)During the threeseverance charges for certain executives and nine months ended September 30, 2020, the Company recognized a pre-tax gain of $4,958 related to the sale of a product line. Refer to Note 7 of these condensed consolidated financial statements for additional details.
During the nine months ended September 30, 2020, the Company recorded a loss of $6,475 related to the asset swap, which is reflected in net (gain) loss on asset disposals. Refer to Note 6 to these condensed consolidated financial statements for details on the asset swap.
During the nine months ended September 30, 2019, the Company recognized a gain of $11,362 related to the sale of a product line. Refer to Note 7 of these condensed consolidated financial statements for additional details.employees.
10. Inventories, Net:
Inventories, net, are classified and valued as follows:
September 30,
2020
December 31,
2019
March 31,
2021
December 31,
2020
Finished products and work in processFinished products and work in process$201,784 $222,940 Finished products and work in process$44,171 $48,500 
Raw materialsRaw materials47,878 58,005 Raw materials4,763 4,289 
$249,662 $280,945 
$48,934 $52,789 
Valued at lower of cost or market:Valued at lower of cost or market:Valued at lower of cost or market:
LIFO basisLIFO basis$145,314 $168,935 LIFO basis$32,074 $31,072 
Valued at lower of cost and net realizable value:Valued at lower of cost and net realizable value:Valued at lower of cost and net realizable value:
FIFO or average cost basisFIFO or average cost basis104,348 112,010 FIFO or average cost basis16,860 21,717 
$249,662 $280,945 $48,934 $52,789 

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

11. Investments in Affiliated Companies:
The Company accounts for investments in affiliated companies under the equity method. Affiliated companies accounted for on the equity basis as of September 30, 2020March 31, 2021 are as follows:
CompanyCountryPercent
Ownership
PQ Silicates Ltd.Taiwan50%
Zeolyst InternationalUSA50%
Zeolyst C.V.Netherlands50%
 Asociacion para el Estudio de las Tecnologias de Equipamiento de Carreteras, S.A. (“Aetec”)Spain20%

Following is summarized information of the combined investments(1):    
Three months ended
September 30,
Nine months ended
September 30,
Three months ended
March 31,
202020192020201920212020
SalesSales$57,923 $121,471 $217,290 $279,503 Sales$66,205 $70,300 
Gross profitGross profit11,679 48,416 77,288 102,966 Gross profit21,946 30,864 
Operating incomeOperating income3,304 37,958 49,001 74,217 Operating income14,174 20,861 
Net incomeNet income3,681 37,852 50,049 75,002 Net income13,737 19,924 

(1)Summarized information of the combined investments is presented at 100%; the Company’s share of the net assets and net income of affiliates is calculated based on the percent ownership specified in the table above.
In March 2020, the Company sold its 49% interest in the Quaker Holdings joint venture to a third party. Prior to the Company’s disposition of its shares in the joint venture, the Company received a liquidating dividend of $729 as well as $1,032 for the sale of the joint venture shares, which was included in the proceeds from sale of investment within the investing activities section of the Company’s consolidated statement of cash flows.
The Company’s investments in affiliated companies balance as of September 30, 2020March 31, 2021 and December 31, 20192020 includes net purchase accounting fair value adjustments of $245,557$242,240 and $250,532,$243,899, respectively, related to the series of transactions consummated on May 4, 2016 to reorganize and combine the businesses of PQ Holdings Inc. and Eco Services Operations LLC, consisting primarily of goodwill and intangible assets such as customer relationships, technical know-how and trade names. Consolidated equity in net income from affiliates is net of $1,659$1,658 and $4,975$1,658 of amortization expense related to purchase accounting fair value adjustments for the three and nine months ended September 30,March 31, 2021 and 2020, respectively. Consolidated equity in net income from affiliates
12. Property, Plant and Equipment:
A summary of property, plant and equipment, at cost, and related accumulated depreciation is net of $1,658as follows:
March 31,
2021
December 31,
2020
Land$93,912 $93,650 
Buildings79,181 76,010 
Machinery and equipment669,655 656,502 
Construction in progress43,777 42,446 
886,525 868,608 
Less: accumulated depreciation(293,509)(276,898)
$593,016 $591,710 
Depreciation expense was $16,526 and $5,875 of amortization expense related to purchase accounting fair value adjustments$15,777 for the three and nine months ended September 30, 2019,March 31, 2021 and 2020, respectively.
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

12. Property, Plant and Equipment:
A summary of property, plant and equipment, at cost, and related accumulated depreciation is as follows:
September 30,
2020
December 31,
2019
Land$177,308 $183,117 
Buildings227,923 221,449 
Machinery and equipment1,262,777 1,236,531 
Construction in progress94,704 82,687 
1,762,712 1,723,784 
Less: accumulated depreciation(626,955)(537,014)
$1,135,757 $1,186,770 
Depreciation expense was $33,236 and $31,554 for the three months ended September 30, 2020 and 2019, respectively. Depreciation expense was $99,981 and $97,088 for the nine months ended September 30, 2020 and 2019, respectively.
13. Long-term Debt:
The summary of long-term debt is as follows:
September 30,
2020
December 31,
2019
March 31,
2021
December 31,
2020
Senior Secured Term Loan Facility due February 2027Senior Secured Term Loan Facility due February 2027$947,497 $947,497 Senior Secured Term Loan Facility due February 2027$671,710 $671,710 
New Senior Secured Term Loan Facility due February 2027New Senior Secured Term Loan Facility due February 2027648,375 New Senior Secured Term Loan Facility due February 2027459,653 459,653 
6.75% Senior Secured Notes due 2022625,000 
5.75% Senior Unsecured Notes due 20255.75% Senior Unsecured Notes due 2025295,000 295,000 5.75% Senior Unsecured Notes due 2025295,000 295,000 
ABL FacilityABL FacilityABL Facility
Other65,147 64,629 
Total debtTotal debt1,956,019 1,932,126 Total debt1,426,363 1,426,363 
Original issue discountOriginal issue discount(22,207)(13,434)Original issue discount(15,072)(15,641)
Deferred financing costsDeferred financing costs(14,267)(11,730)Deferred financing costs(9,718)(10,353)
Total debt, net of original issue discount and deferred financing costsTotal debt, net of original issue discount and deferred financing costs1,919,545 1,906,962 Total debt, net of original issue discount and deferred financing costs1,401,573 1,400,369 
Less: current portionLess: current portion(14,538)(7,766)Less: current portion
Total long-term debt, excluding current portionTotal long-term debt, excluding current portion$1,905,007 $1,899,196 Total long-term debt, excluding current portion$1,401,573 $1,400,369 
The fair value of a financial instrument is defined as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants. As of September 30, 2020March 31, 2021 and December 31, 2019,2020, the fair value of the term loan facilities, senior secured and unsecured notes was $1,876,497$1,428,967 and $1,905,822,$1,427,123, respectively. The fair value is classified as Level 2 based upon the fair value hierarchy (see Note 45 to these condensed consolidated financial statements for further information on fair value measurements).
In July 2020, the Company entered into an agreement for a new senior secured term loan facility in an aggregate principal amount of $650,000 with an original issue discount of 1.5% and interest at a floating rate of LIBOR (with a 1.0% minimum LIBOR floor) plus 3.0% per annum. The proceeds were used to redeem its existing $625,000 of 6.75% Senior Secured Notes due 2022 and pay the associated early redemption premiums. The new senior secured term loan facility requires scheduled quarterly amortization payments, each equal to 0.25% of the original principal amount of the loans under the new senior secured term loan facility.

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

As a result of redeeming the 6.75% Senior Secured Notes due 2022, the Company paid a redemption premium of $10,550 which were recorded as debt extinguishment costs for the three and nine months ended September 30, 2020. In addition, previous unamortized deferred financing costs of $2,085 and original issue discount of $1,186 associated with the previously outstanding debt were written off as debt extinguishment costs for the three and nine months ended September 30, 2020.
Other Debt
Included in the line item “Other” in the table above are obligations related to New Markets Tax Credit (“NMTC”) financing arrangements, subsidiary credit agreements related to the Company’s Sovitec subsidiaries and notes payable agreements payable by the Company’s subsidiary located in Japan. Each of these obligations are associated with subsidiaries that will be included in the sale of the Company’s Performance Materials business and will be assumed by the buyer upon consummation of the transaction. Refer to Note 22 of these condensed consolidated financial statements for additional information related to the sale of the segment.
14. Financial Instruments:
The Company uses (1) interest rate related derivative instruments to manage its exposure to changes in interest rates on its variable-rate debt instruments, (2) commodity derivatives to manage its exposure to commodity price fluctuations, and (3) foreign currency related derivative instruments to manage its foreign currency exposure to its net investments in certain foreign operations.instruments. The Company does not speculate using derivative instruments.
By using derivative financial instruments to hedge exposures to changes in interest rates, commodity prices and foreign currency, the Company exposes itself to credit risk and market risk. Credit risk is the failure of the counterparty to perform under the terms of the derivative contract. When the fair value of a derivative contract is an asset, the counterparty owes the Company, which creates credit risk for the Company. When the fair value of a derivative contract is a liability, the Company owes the counterparty and therefore, the Company is not exposed to the counterparty’s credit risk in those circumstances. The Company minimizes counterparty credit risk in derivative instruments by entering into transactions with high quality counterparties. The derivative instruments entered into by the Company do not contain credit-risk-related contingent features.
Market risk is the adverse effect on the value of a derivative instrument that results from a change in interest rates, currency exchange rates or commodity prices.rates. The market risk associated with the Company’s derivative instruments is managed by establishing and monitoring parameters that limit the types and degree of market risk that may be undertaken.
Use of Derivative Financial Instruments to Manage Commodity Price Risk. The Company is exposed to risks in energy costs due to fluctuations in energy prices, particularly natural gas. The Company has a hedging program in the United States which allows the Company to mitigate exposure to natural gas volatility with natural gas swap agreements. Fair value is determined based on estimated amounts that would be received or paid to terminate the contracts at the reporting date based on quoted market prices of comparable contracts. The respective current and non-current liabilities are recorded in accrued liabilities and other long-term liabilities and the respective current and non-current assets are recorded in prepaid and other current assets and other long-term assets, as applicable, in the Company’s consolidated balance sheet. As the derivatives are designated and qualify as cash flow hedges, the gains or losses on the natural gas swaps are recorded in stockholders’ equity as a component of other comprehensive income (loss) (“OCI”), net of tax. Reclassifications of the gains and losses on natural gas hedges into earnings are recorded in production costs and subsequently charged to cost of goods sold in the condensed consolidated statements of income in the period in which the associated inventory is sold. As of September 30, 2020, the Company’s natural gas swaps had a remaining notional quantity of 2.0 million MMBTU to mitigate commodity price volatility through December 2021.
Use of Derivative Financial Instruments to Manage Interest Rate Risk. The Company is exposed to fluctuations in interest rates on its senior secured credit facilities. Changes in interest rates will not affect the market value of such debt but will affect the Company’s interest payments over the term of the loans. Likewise, an increase in interest rates could have a material impact on the Company’s cash flow. The Company hedges the interest rate fluctuations on debt obligations through interest rate cap agreements. The Company records these agreements at fair value as assets or liabilities in its consolidated balance sheet. As the derivatives are designated and qualify as cash flow hedges, the gains or losses on the interest rate cap agreements are recorded in stockholders’ equity as a component of OCI, net of tax. Reclassifications of the gains and losses on the interest rate cap agreements into earnings are recorded as part of interest expense in the condensed consolidated statements of income as the Company makes its interest payments on the hedged portion of its senior secured credit facilities. Fair value is determined based on estimated amounts that would be received or paid to terminate the contracts at the reporting date based on quoted market prices.
In July 2016, the Company entered into interest rate cap agreements, paying a premium of $1,551 to mitigate interest rate volatility from July 2016 through July 2020 by employing varying cap rates, ranging from 1.50% to 3.00%, on $1,000,000 of notional variable-rate debt.
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

In November 2018, the Company entered into additional interest rate cap agreements to mitigate interest volatility from July 2020 through July 2022, with a cap rate of 3.50% on $500,000 of notional variable-rate debt and a $3,380 premium annuitized during the effective period. In February 2020, the Company restructured its $500,000 of notional variable-rate debt interest rate cap agreements from July 2020 through July 2022, to lower the interest cap rate to 2.50% with an incremental $130 premium annuitized during the effective period. In March 2020, the Company again amended such interest rate cap agreements to lower the cap rate to 0.84% from 2.50% on $500,000 of notional variable-rate debt and paid an additional incremental $900 premium annuitized during the effective period. The term remains unchanged from July 2020 through July 2022. The total cumulative annuitized premium on the $500,000 of notional variable-rate debt is $4,410. The cap rate in effect at September 30, 2020March 31, 2021 was 0.84% associated with the $500,000 of notional variable-rate debt.
In July 2020, the Company entered into additional interest rate cap agreements to mitigate interest rate volatility from August 2020 to August 2023, with a cap rate of 1.00% on $400,000 of notional variable-rate debt.The cap rate in effect at March 31, 2021 was 1.00% associated with the $400,000 of notional variable-rate debt.
Use of Derivative Financial Instruments to Manage Foreign Currency Risk. The Company is exposed to risks related to its net investments in foreign operations due to fluctuations in foreign currency exchange rates, particularly between the United States dollar and the Euro. In February 2018, the Company entered into multiple cross-currency interest rate swap arrangements with an aggregate notional amount of €280,000 ($328,832328,098 as of September 30, 2020)March 31, 2021) to hedge this exposure on the net investments of certain of its Euro-denominated subsidiaries.subsidiaries in its Performance Materials and Performance Chemicals businesses. The Company recordsrecorded these swap agreements at fair value as assets or liabilities in its consolidated balance sheet. As the derivatives are designated and qualify as net investment hedges, changes in the fair value of the swaps attributable to changes in the spot exchange rates are recognized in cumulative translation adjustment (“CTA”) within OCI and are held there until the hedged net investments are sold or substantially liquidated. Upon such sale or liquidation, the amount recognized in CTA is reclassified to earnings and reported in the same line item as the gain or loss on the liquidation of the net investments. Changes in the fair value of the swaps attributable to the cross-currency basis spread are excluded from the assessment of hedge effectiveness and are recorded in current period earnings.
In March 2021, as a result of the Performance Materials and Performance Chemicals divestitures, the Company settled its cross-currency swaps. At the date of settlement, the total notional value of the cross-currency swaps was $311,380. The Company paid $13,170 in cash to settle the swaps, which is included in net cash used in investing activities, discontinued operations in the Company’s condensed consolidated statement of cash flows for the three months ended March 31, 2021, as the underlying subsidiary subject to the net investment hedging relationship is part of the Performance Chemicals business.
As of March 31, 2021, an unrealized pre-tax gain of $16,708 is recorded in accumulated other comprehensive income in the Company’s condensed consolidated balance sheet. This gain will be reclassified into earnings as part of the gain (loss) on sale upon completion of the Performance Chemicals divestiture.
The fair values of derivative instruments held as of September 30, 2020March 31, 2021 and December 31, 20192020 are shown below:
Balance sheet locationSeptember 30,
2020
December 31,
2019
Balance sheet locationMarch 31,
2021
December 31,
2020
Derivative assets:Derivative assets:Derivative assets:
Derivatives designated as cash flow hedges:Derivatives designated as cash flow hedges:Derivatives designated as cash flow hedges:
Natural gas swapsPrepaid and other current assets$365 $
Natural gas swapsOther long-term assets123 
488 
Derivatives designed as net investment hedges:
Cross-currency interest rate swapsPrepaid and other current assets4,685 3,928 
Interest rate capsInterest rate capsOther long-term assets$285 $
Total derivative assetsTotal derivative assets$5,173 $3,928 Total derivative assets$285 $
Derivative liabilities:Derivative liabilities:Derivative liabilities:
Derivatives designated as cash flow hedges:Derivatives designated as cash flow hedges:Derivatives designated as cash flow hedges:
Natural gas swapsAccrued liabilities$$813 
Interest rate capsAccrued liabilities1,954 420 
Natural gas swapsOther long-term liabilities226 
Interest rate capsInterest rate capsOther long-term liabilities2,246 2,822 Interest rate capsAccrued liabilities$1,974 $1,954 
4,200 4,281 
Derivatives designated as net investment hedges:
Cross-currency interest rate swapsOther long-term liabilities14,562 8,134 
Interest rate capsInterest rate capsOther long-term liabilities1,049 1,750 
Total derivative liabilitiesTotal derivative liabilities$18,762 $12,415 Total derivative liabilities$3,023 $3,704 

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

The following tables show the effect of the Company’s derivative instruments designated as cash flow hedges on AOCI for the three and nine months ended September 30,March 31, 2021 and 2020:
Three months ended March 31,
20212020
Location of gain (loss) reclassified from AOCI into incomeAmount of gain (loss) recognized in OCI on derivativesAmount of gain (loss) reclassified from AOCI into incomeAmount of gain (loss) recognized in OCI on derivativesAmount of gain (loss) reclassified from AOCI into income
Interest rate capsInterest (expense) income$912 $(109)$(595)$(231)
The following tables show the effect of the Company’s cash flow hedge accounting on the condensed consolidated statements of income for the three months ended March 31, 2021 and 2020:
Location and amount of gain (loss) recognized in income on cash flow hedging relationships
Three months ended March 31,
20212020
Cost of goods soldInterest (expense)
income
Cost of goods soldInterest (expense)
income
Total amounts of income and expense line items presented in the statement of income in which the effects of cash flow hedges are recorded(96,505)(10,456)(87,850)(15,298)
The effects of cash flow hedging:
Gain (loss) on cash flow hedging relationships:
Interest contracts:
Amount of gain (loss) reclassified from AOCI into income— (109)— (231)
The amount of unrealized losses in AOCI related to the Company’s cash flow hedges that is expected to be reclassified to the condensed consolidated statement of income over the next twelve months is $574 as of March 31, 2021.
The following tables show the effect of the Company’s net investment hedges on AOCI and the condensed consolidated statements of income for the three months ended March 31, 2021 and 2020:
Amount of pre-tax gain (loss) recognized in OCI on derivativeLocation of gain (loss) reclassified from AOCI into incomeAmount of gain (loss) reclassified from AOCI into incomeLocation of gain (loss) recognized in income on derivative (amount excluded from effectiveness testing)Amount of gain (loss) recognized in income on derivative (amount excluded from effectiveness testing)
Three months ended
March 31,
Three months ended
March 31,
Three months ended
March 31,
202120202021202020212020
Cross-currency interest rate swaps$9,787 $14,809 
Net income from discontinued operations (1)
$$Interest (expense) income$545 $1,692 

(1)Includes the gain (loss) on the sale of the underlying subsidiary.
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

15. Income Taxes:
The effective income tax rate for the three months ended March 31, 2021 was 65.4% compared to 33.2% for the three months ended March 31, 2020. The Company’s effective income tax rate has fluctuated primarily due to changes in income mix, the impacts of the Global Intangible Low Taxed Income (“GILTI”) tax rules, discrete impacts related to intraperiod allocation revaluation of deferred tax assets and liabilities as a result of the Performance Chemicals divestiture and changes in foreign exchange gains and losses, which create permanent differences in certain jurisdictions.
The difference between the U.S. federal statutory income tax rate and the Company’s effective income tax rate for the three months ended March 31, 2021 was mainly due to state and local taxes, discrete tax impacts related to intraperiod allocation revaluation of deferred tax assets and liabilities as a result of the Performance Chemicals divestiture, and the tax effect of permanent differences related to foreign currency exchange gain or loss.
The difference between the U.S. federal statutory income tax rate and the Company’s effective income tax rate for the three months ended March 31, 2020 was mainly due to the impacts of GILTI, state and 2019:local taxes, and the tax effect of permanent differences related to foreign currency exchange gain or loss.
Three months ended September 30,
20202019
Location of gain (loss) reclassified from AOCI into incomeAmount of gain (loss) recognized in OCI on derivativesAmount of gain (loss) reclassified from AOCI into incomeAmount of gain (loss) recognized in OCI on derivativesAmount of gain (loss) reclassified from AOCI into income
Interest rate capsInterest (expense) income$573 $506 $(216)$(157)
Natural gas swapsCost of goods sold814 (362)(185)(291)
$1,387 $144 $(401)$(448)
Nine months ended September 30,
20202019
Location of gain (loss) reclassified from AOCI into incomeAmount of gain (loss) recognized in OCI on derivativesAmount of gain (loss) reclassified from AOCI into incomeAmount of gain (loss) recognized in OCI on derivativesAmount of gain (loss) reclassified from AOCI into income
Interest rate capsInterest (expense) income$(347)$(18)$(3,264)$(449)
Natural gas swapsCost of goods sold297 (1,229)(951)(187)
$(50)$(1,247)$(4,215)$(636)

16. Benefit Plans:
The following information is provided for (1) the Company-sponsored defined benefit pension plans covering employees in the U.S. and certain employees at its foreign subsidiaries and (2) the Company-sponsored unfunded plans to provide certain health care benefits to retired employees in the U.S.
Components of net periodic expense (benefit) are as follows:
Defined Benefit Pension Plans
U.S. Foreign 
Three months ended
March 31,
Three months ended
March 31,
2021202020212020
Service cost$$192 $$261 
Interest cost551 675 65 72 
Expected return on plan assets(1,094)(970)(65)(69)
Amortization of net loss23 
Net periodic (benefit) expense$(543)$(103)$$287 

Other Postretirement Benefit Plans
Three months ended
March 31,
20212020
Interest cost
Amortization of prior service credit(58)(58)
Amortization of net loss
Net periodic benefit$(53)$(53)


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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

The following tables show the effect of the Company’s cash flow hedge accounting on the condensed consolidated statements of income for the three and nine months ended September 30, 2020 and 2019:
Location and amount of gain (loss) recognized in income on cash flow hedging relationships
Three months ended September 30,
20202019
Cost of goods soldInterest (expense)
income
Cost of goods soldInterest (expense)
income
Total amounts of income and expense line items presented in the statement of income in which the effects of cash flow hedges are recorded$(283,818)$(18,642)$(310,904)$(27,697)
The effects of cash flow hedging:
Gain (loss) on cash flow hedging relationships:
Interest contracts:
Amount of gain (loss) reclassified from AOCI into income— 506 — (157)
Commodity contracts:
Amount of gain (loss) reclassified from AOCI into income(362)— (291)— 
Location and amount of gain (loss) recognized in income on cash flow hedging relationships
Nine months ended September 30,
20202019
Cost of goods soldInterest (expense)
income
Cost of goods soldInterest (expense)
income
Total amounts of income and expense line items presented in the statement of income in which the effects of cash flow hedges are recorded(823,503)(65,372)(905,395)(84,855)
The effects of cash flow hedging:
Gain (loss) on cash flow hedging relationships:
Interest contracts:
Amount of gain (loss) reclassified from AOCI into income— (18)— (449)
Commodity contracts:
Amount of gain (loss) reclassified from AOCI into income(1,229)— (187)— 
The amount of unrealized losses in AOCI related to the Company’s cash flow hedges that is expected to be reclassified to the condensed consolidated statement of income over the next twelve months is $48 as of September 30, 2020.
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

The following tables show the effect of the Company’s net investment hedges on AOCI and the condensed consolidated statements of income for the three and nine months ended September 30, 2020 and 2019:
Amount of gain (loss) recognized in OCI on derivativeLocation of gain (loss) reclassified from AOCI into incomeAmount of gain (loss) reclassified from AOCI into incomeLocation of gain (loss) recognized in income on derivative (amount excluded from effectiveness testing)Amount of gain (loss) recognized in income on derivative (amount excluded from effectiveness testing)
Three months ended
September 30,
Three months ended
September 30,
Three months ended
September 30,
202020192020201920202019
Cross-currency interest rate swaps$(15,275)$15,342 Gain (loss) on sale of subsidiary$$Interest (expense) income$1,175 $2,395 
Amount of gain (loss) recognized in OCI on derivativeLocation of gain (loss) reclassified from AOCI into incomeAmount of gain (loss) reclassified from AOCI into incomeLocation of gain (loss) recognized in income on derivative (amount excluded from effectiveness testing)Amount of gain (loss) recognized in income on derivative (amount excluded from effectiveness testing)
Nine months ended
September 30,
Nine months ended
September 30,
Nine months ended
September 30,
202020192020201920202019
Cross-currency interest rate swaps$(5,672)$21,282 Gain (loss) on sale of subsidiary$$Interest (expense) income$4,419 $6,888 

15. Income Taxes:
The effective income tax rate for the three months ended September 30, 2020 was 60.1% compared to 38.4% for the three months ended September 30, 2019. The effective income tax rate for the nine months ended September 30, 2020 was 54.5% compared to 39.3% for the nine months ended September 30, 2019. The Company’s effective income tax rate has fluctuated primarily due changes in income mix (including the effect of loss companies), the impacts of the Global Intangible Low Taxed Income (“GILTI”) tax rules, discrete impacts related to product line and asset sales and changes in foreign exchange gains and losses, which create permanent differences in certain jurisdictions.
The difference between the U.S. federal statutory income tax rate and the Company’s effective income tax rate for the nine months ended September 30, 2020 was mainly due to the impacts of GILTI, the discrete tax impacts of the Company entering into an asset swap agreement, the discrete impacts of the product line and asset sales, the tax effect of permanent differences related to foreign currency exchange gain or loss, foreign tax rate changes, pre-tax losses with no associated tax benefit and state taxes.
The difference between the U.S. federal statutory income tax rate and the Company’s effective income tax rate for the nine months ended September 30, 2019 was mainly due to the tax effect of permanent differences related to foreign currency exchange gain or loss, inclusion of foreign earnings in U.S. taxable income, pre-tax losses with no associated tax benefit, the discrete tax effects of the Company’s sale of a non-core product line and state taxes.
With respect to operating results for the three and nine months ended September 30, 2020, the Company has continued to incorporate an estimate of the GILTI income inclusion when estimating annual effective tax rate used for GAAP purposes. The Company expects this amount to be included in its 2020 U.S. taxable income. However, the estimated 2020 GILTI income inclusion may change materially as the Company continues to evaluate future legislative or administrative guidance that is put forth, any updates to assumptions and figures used for the current estimate, or as a result of future changes to the Company’s current structure and business.
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

16. Benefit Plans:
The following information is provided for (1) the Company-sponsored defined benefit pension plans covering employees in the U.S. and certain employees at its foreign subsidiaries, (2) the Company-sponsored unfunded plans to provide certain health care benefits to retired employees in the U.S. and Canada, and (3) the Company’s defined benefit supplementary retirement plans which provide benefits for certain U.S. employees in excess of qualified plan limitations.
Components of net periodic expense (benefit) are as follows:
Defined Benefit Pension Plans
U.S. 
Foreign
Three months ended
September 30,
Three months ended
September 30,
2020201920202019
Service cost$192 $251 $997 $780 
Interest cost2,152 2,653 707 801 
Expected return on plan assets(3,135)(2,912)(810)(782)
Amortization of net loss41 
Amortization of prior service cost
Net periodic expense (benefit)$(791)$(8)$941 $806 
U.S. Foreign 
Nine months ended
September 30,
Nine months ended
September 30,
2020201920202019
Service cost$577 $751 $2,989 $2,464 
Interest cost6,4557,958 2,1212,458 
Expected return on plan assets(9,404)(8,733)(2,429)(2,375)
Amortization of net loss121 
Amortization of prior service cost19 18 
Net periodic expense (benefit)$(2,372)$(24)$2,821 $2,566 
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)


Supplemental Retirement Plans
Three months ended
September 30,
Nine months ended
September 30,
2020201920202019
Interest cost$86 $121 $259 $364 
Net periodic expense$86 $121 $259 $364 

Other Postretirement Benefit Plans
Three months ended
September 30,
Nine months ended
September 30,
2020201920202019
Service cost$$$$10 
Interest cost24 38 73 114 
Amortization of prior service credit(58)(32)(174)(97)
Amortization of net gain(7)(9)(22)(27)
Net periodic expense (benefit)$(41)$$(123)$

17. Commitments and Contingent Liabilities:
There is a risk of environmental impact in chemical manufacturing operations. The Company’s environmental policies and practices are designed to comply with existing laws and regulations and to minimize the possibility of significant environmental impact. The Company is also subject to various other lawsuits and claims with respect to matters such as governmental regulations, labor and other actions arising out of the normal course of business. While management believes that the liabilities resulting from such lawsuits and claims are not probable or reasonably estimable, certain accruals have been reflected in the Company’s condensed consolidated financial statements. When these matters are ultimately concluded and determined, the Company believes that there will be no material adverse effect on its consolidated financial position, results of operations or liquidity.
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

18. Reportable Segments:
Summarized financial information for the Company’s reportable segments is shown in the following table:
Three months ended
September 30,
Nine months ended
September 30,
Three months ended
March 31,
202020192020201920212020
Sales:Sales:Sales:
Refining ServicesRefining Services$107,604 $118,335 $298,727 $341,469 Refining Services$100,222 $100,690 
Catalysts(1)
Catalysts(1)
23,071 25,612 73,143 62,335 
Catalysts(1)
26,402 24,864 
Performance Materials104,574 115,134 274,346 295,095 
Performance Chemicals148,513 167,949 465,433 526,239 
Eliminations(2)
(3,443)(3,229)(10,207)(10,441)
TotalTotal$380,319 $423,801 $1,101,442 $1,214,697 Total$126,624 $125,554 
Segment Adjusted EBITDA:(3)(2)
Segment Adjusted EBITDA:(3)(2)
Segment Adjusted EBITDA:(3)(2)
Refining ServicesRefining Services$44,272 $51,166 $116,451 $133,721 Refining Services$33,002 $37,183 
Catalysts(4)(3)
Catalysts(4)(3)
11,762 31,638 59,741 79,372 
Catalysts(4)(3)
18,469 22,667 
Performance Materials25,334 25,769 66,148 65,505 
Performance Chemicals33,919 36,804 108,403 120,642 
Total Segment Adjusted EBITDA(5)(4)
Total Segment Adjusted EBITDA(5)(4)
$115,287 $145,377 $350,743 $399,240 
Total Segment Adjusted EBITDA(5)(4)
$51,471 $59,850 

(1)Excludes the Company’s proportionate share of sales from the Zeolyst International and Zeolyst C.V. joint ventures (collectively, the “Zeolyst Joint Venture”) accounted for using the equity method (see Note 11 to these condensed consolidated financial statements for further information). The proportionate share of sales is $26,552$28,978 and $54,414$32,291 for the three months ended September 30,March 31, 2021 and 2020, and 2019, respectively. The proportionate share of sales is $99,695 and $123,106 for the nine months ended September 30, 2020 and 2019, respectively.
(2)The Company eliminates intersegment sales when reconciling to the Company’s condensed consolidated statements of income.
(3)The Company defines Adjusted EBITDA as EBITDA adjusted for certain items as noted in the reconciliation below. Management evaluates the performance of its segments and allocates resources based on several factors, of which the primary measure is Adjusted EBITDA. Adjusted EBITDA should not be considered as an alternative to net income as an indicator of the Company’s operating performance. Adjusted EBITDA as defined by the Company may not be comparable with EBITDA or Adjusted EBITDA as defined by other companies.
(4)(3)The Adjusted EBITDA from the Zeolyst Joint Venture included in the Catalysts segment is $5,331$10,537 for the three months ended September 30, 2020,March 31, 2021, which includes $76$5,237 of equity in net income plus $1,658 of amortization of investment in affiliate step-up and $3,597$3,645 of joint venture depreciation, amortization and interest. The Adjusted EBITDA from the Zeolyst Joint Venture included in the Catalysts segment is $22,628$13,725 for the three months ended September 30, 2019,March 31, 2020, which includes $17,248$8,317 of equity in net income plus $1,658 of amortization of investment in affiliate step-up and $3,722$3,750 of joint venture depreciation, amortization and interest.
The Adjusted EBITDA from the Zeolyst Joint Venture included in the Catalysts segment is $35,911 for the nine months ended September 30, 2020, which includes $19,882 of equity in net income plus $4,975 of amortization of investment in affiliate step-up and $11,054 of joint venture depreciation, amortization and interest. The Adjusted EBITDA from the Zeolyst Joint Venture included in the Catalysts segment is $48,621 for the nine months ended September 30, 2019, which includes $31,548 of equity in net income plus $5,875 of amortization of investment in affiliate step-up and $11,198 of joint venture depreciation, amortization and interest.
(5)(4)Total Segment Adjusted EBITDA differs from the Company’s consolidated Adjusted EBITDA due to unallocated corporate expenses.
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

A reconciliation of net income attributable to PQ Group Holdingsloss from continuing operations to Segment Adjusted EBITDA is as follows:
Three months ended
September 30,
Nine months ended
September 30,
Three months ended
March 31,
202020192020201920212020
Reconciliation of net income attributable to PQ Group Holdings Inc. to Segment Adjusted EBITDA
Net income attributable to PQ Group Holdings Inc.$7,512 $26,713 $23,662 $60,438 
Provision for income taxes11,764 16,718 29,453 39,472 
Reconciliation of net loss from continuing operations to Segment Adjusted EBITDAReconciliation of net loss from continuing operations to Segment Adjusted EBITDA
Net loss from continuing operationsNet loss from continuing operations$(2,748)$(3,347)
Benefit for income taxesBenefit for income taxes(5,190)(1,665)
Interest expense, netInterest expense, net18,642 27,697 65,372 84,855 Interest expense, net10,456 15,298 
Depreciation and amortizationDepreciation and amortization45,820 44,246 136,313 135,230 Depreciation and amortization19,500 18,675 
Segment EBITDASegment EBITDA83,738 115,374 254,800 319,995 Segment EBITDA22,018 28,961 
Joint venture depreciation, amortization and interestJoint venture depreciation, amortization and interest3,597 3,722 11,054 11,198 Joint venture depreciation, amortization and interest3,645 3,750 
Amortization of investment in affiliate step-upAmortization of investment in affiliate step-up1,659 1,658 4,975 5,875 Amortization of investment in affiliate step-up1,658 1,658 
Debt extinguishment costsDebt extinguishment costs14,004 1,767 16,517 1,767 Debt extinguishment costs2,513 
Net (gain) loss on asset disposals(4,453)1,136 3,948 (7,697)
Foreign currency exchange (gain) loss(4,583)4,457 (2,100)5,380 
LIFO expense(751)534 (2,549)10,814 
Net loss on asset disposalsNet loss on asset disposals778 163 
Foreign currency exchange lossForeign currency exchange loss5,101 7,070 
LIFO benefitLIFO benefit(253)(1,681)
Transaction and other related costsTransaction and other related costs3,276 670 6,078 1,725 Transaction and other related costs472 800 
Equity-based compensationEquity-based compensation6,137 4,806 18,423 13,576 Equity-based compensation6,305 4,294 
Restructuring, integration and business optimization expensesRestructuring, integration and business optimization expenses4,595 717 10,215 1,436 Restructuring, integration and business optimization expenses2,259 348 
Defined benefit pension plan (benefit) cost378 834 (122)2,379 
Defined benefit pension plan benefitDefined benefit pension plan benefit(595)(131)
OtherOther962 2,009 3,500 4,730 Other916 896 
Adjusted EBITDAAdjusted EBITDA108,559 137,684 324,739 371,178 Adjusted EBITDA42,304 48,641 
Unallocated corporate expensesUnallocated corporate expenses6,728 7,693 26,004 28,062 Unallocated corporate expenses9,167 11,209 
Segment Adjusted EBITDASegment Adjusted EBITDA$115,287 $145,377 $350,743 $399,240 Segment Adjusted EBITDA$51,471 $59,850 

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PQ GROUP HOLDINGS INC. AND SUBSIDIARIES
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

19. Stock-Based Compensation:
The Company is authorized to issue shares for common stock awards to employees, directors and affiliates of the Company in connection with the PQ Group Holdings Inc. 2017 Omnibus Incentive Plan, as Amended and Restated (the “2017 Plan”). During the ninethree months ended September 30, 2020,March 31, 2021, the Company granted 1,158,6051,697,623 restricted stock units and 456,311211,985 performance stock units (at target) under the 2017 Plan as part of its equity incentive compensation program. Each restricted stock unit provides the recipient with the right to receive a share of common stock subject to graded vesting terms based on service, which for the awards granted during the ninethree months ended September 30, 2020,March 31, 2021, generally requires approximately one year of service for members of the Company’s board of directors and approximately three years of service for employees.
The performance stock units granted during the ninethree months ended September 30, 2020March 31, 2021 provide the recipients with the right to receive shares of common stock dependent 50% on the achievement of a Company-specific financial performance target and 50% on a total shareholder return (“TSR”) goal, and are generally subject to the provision of service through the vesting date of the award. The Company-specific financial performance target andperiod for the TSR goal are measured independently of each other, but achievement of both of the metrics is measured based on the samea three-year performance period from January 1, 20202021 through December 31, 2022.2023. The TSR goal is based on the Company’s relativeactual TSR performance against the companies included in the Russell 2000 Indexpercentage increase over the performance period. Achievement of the Company-specific financial performance target is measured based on the average levels of achievement across the performance period. Depending on the Company’s performance againstrelative to the predetermined thresholds for achievement,TSR goal, each performance stock unit award recipient is eligible to earn a percentage of the target number of shares granted to the recipient, ranging from 0 to 200%. The performance stock units, to the extent earned, will vest on the date the Company’s compensation and governance committee certifies the achievement of the performance metricsmetric for the three-year period ending December 31, 2022,2023, which will occur no later than March 1,subsequent to the end of the performance period but before the Company files its annual consolidated financial statements for the year ending December 31, 2023.
The value of the restricted stock units granted during the ninethree months ended September 30, 2020March 31, 2021 was based on the average of the high and low trading prices of the Company’s common stock on the NYSE on the preceding trading day, in accordance with the Company’s policy for valuing such awards. Compensation expense related to the restricted stock units is recognized on a straight-line basis over the respective vesting period.
The value of the portionTSR goal of the performance stock units granted during the ninethree months ended September 30, 2020 eligible to be earned based on the achievement of the Company-specific financial performance target (50% of the award) was measured on the same basis as that of the restricted stock units, and based on the target number of shares granted; because the performance vesting conditions affect the ability of the recipients to vest in the awards, they are not factored into the fair value measure of the award. Compensation expense related to such performance stock units is recognized ratably over the requisite service period, and the Company must assess the probability that the performance conditions will be met each reporting period, and the level at which they are estimated to be attained. Should the probability assessment change during a given reporting period, the total compensation cost (both recognized and unrecognized) will be adjusted to reflect the revised assessment.
The TSR goal, which determines how much of the other 50% of the performance stock units granted during the nine months ended September 30, 2020 may be earned,March 31, 2021 is considered a market condition as opposed to a vesting condition. Because a market condition is not considered a vesting condition, it is reflected in the grant date fair value of anthe award, and the associated compensation cost based on the fair value of the award is recognized over the performance period, regardless of whether the Company actually achieves the market condition or the level of achievement, as long as service is provided by the recipient. The Company used a Monte Carlo simulation to estimate the fair value of the portion of the awards subject to the TSR goal. The following table provides the assumptions used to determine the grant date fair value of the market condition-dependent / TSR goal-based portion of the Company’s performance stock units granted during the ninethree months ended September 30, 2020March 31, 2021 using a Monte Carlo simulation:
Expected dividend yield%
Risk-free interest rate1.560.20 %
Expected volatility28.5741.70 %
Expected term (in years)2.95
Grant date fair value$24.1113.21 
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PQ GROUP HOLDINGS INC. AND SUBSIDIARIES
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

The following table summarizes the activity for the Company’s restricted stock units and performance stock units for the ninethree months ended September 30, 2020:March 31, 2021:
Restricted Stock UnitsPerformance Stock UnitsRestricted Stock UnitsPerformance Stock Units
Number of
Units
Weighted Average Grant Date Fair Value (per share)Number of
Units
Weighted Average Grant Date Fair Value (per share)Number of
Units
Weighted Average Grant Date Fair Value (per share)Number of
Units
Weighted Average Grant Date Fair Value (per share)
Nonvested as of December 31, 20191,628,436 $15.83 550,676 $15.41 
Nonvested as of December 31, 2020Nonvested as of December 31, 20201,841,139 $16.14 965,736 $17.69 
GrantedGranted1,158,605 $16.60 456,311 $20.38 Granted1,697,623 $15.39 211,985 $13.21 
VestedVested(482,907)$15.61 $Vested(745,647)$16.06 $
ForfeitedForfeited(129,036)$16.28 (41,251)$15.95 Forfeited(4,966)$16.11 (7,829)$12.24 
Nonvested as of September 30, 20202,175,098 $16.26 965,736 $17.74 
Nonvested as of March 31, 2021Nonvested as of March 31, 20212,788,149 $15.70 1,169,892 $16.92 
Total stock-basedStock-based compensation expense for all of the Company’s equity incentive awards was $6,137 and $4,806 for the three months ended September 30, 2020 and 2019, respectively, and $18,423 and $13,576 for the nine months ended September 30, 2020 and 2019, respectively. The income tax benefit recognized in the condensed consolidated statements of income was $1,521 and $1,187 for the three months ended September 30, 2020 and 2019, respectively, and $4,565 and $3,353 for the nine months ended September 30, 2020 and 2019, respectively. Company is as follows:
Three months ended
March 31,
20212020
Continuing operations$6,305 $4,294 
Discontinued operations1,875 1,626 
Stock-based compensation expense8,180 5,920 
Continuing operations(1,543)(1,065)
Discontinued operations(459)(403)
Income tax benefit(2,002)(1,468)
Continuing operations4,762 3,229 
Discontinued operations1,416 1,223 
Stock-based compensation expense, net of income tax benefit$6,178 $4,452 
With the new grants of restricted stock units and performance stock units during the ninethree months ended September 30, 2020,March 31, 2021, unrecognized compensation cost at September 30, 2020 related to nonvested awardsMarch 31, 2021 was $21,501 and $10,790$40,425 for restricted stock units and $11,962 for performance stock units respectively.considered probable of vesting. The weighted-average period over which these costs are expected to be recognized at September 30, 2020March 31, 2021 is 1.562.02 years for the restricted stock units and 1.881.66 years for the performance stock units. Activity related to the Company’s stock options and restricted stock awards was not material for the ninethree months ended September 30, 2020, other than the forfeiture of 577,365 of restricted stock awards subject to a performance vesting condition based upon the occurrence of a defined liquidity event.March 31, 2021. No expense had previously been recognized related to these awards, as the performance vesting condition was not achieved nor considered probable of achievement.
On April 30, 2020, the Company’s stockholders approved an amendment and restatement of the 2017 Plan to increase the number of shares available under it by an additional 9,000,000 shares and include more limited share recycling provisions, resulting in fewer shares recycled subsequent to the change. At September 30, 2020, 12,239,586 shares of common stock were available for issuance under the 2017 Plan, after giving effect to the new grants, forfeitures and other activity during the nine months ended September 30, 2020.
20. Earnings per Share:
Basic earnings per share is calculated as income (loss) available to common stockholders, divided by the weighted average number of common shares outstanding during the period. The weighted average number of common shares outstanding during the period for the computation of basic earnings per share excludes restricted stock awards that have legally been issued but are nonvested during the period, as the sale of these shares is prohibited pending satisfaction of certain vesting conditions by the award recipients in order to earn the rights to the shares.
Diluted earnings per share is calculated as income (loss) available to common stockholders, divided by the weighted average number of common and potential common shares outstanding during the period, if dilutive. Potential common shares reflect (1) unvested restricted stock awards and restricted stock units with service vesting conditions, (2) performance stock units with vesting conditions considered probable of achievement and (3) options to purchase common stock, all of which have been included in the diluted earnings per share calculation using the treasury stock method.
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PQ GROUP HOLDINGS INC. AND SUBSIDIARIES
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

The reconciliation from basic to diluted weighted average shares outstanding is as follows:
Three months ended
September 30,
Nine months ended
September 30,
2020201920202019
Weighted average shares outstanding – Basic135,106,969 134,511,819 135,292,163 134,213,571 
Dilutive effect of unvested common shares and restricted stock units with service conditions, performance stock units considered probable of vesting and assumed stock option exercises and conversions872,1491,137,891895,8701,091,799
Weighted average shares outstanding – Diluted135,979,118135,649,710136,188,033135,305,370


Three months ended
March 31,
20212020
Weighted average shares outstanding – Basic136,006,082 135,240,897 
Dilutive effect of unvested common shares and restricted stock units with service conditions, performance stock units considered probable of vesting and assumed stock option exercises and conversions0845,185
Weighted average shares outstanding – Diluted136,006,082136,086,082
Basic and diluted earningsloss per share are calculated as follows:
Three months ended
September 30,
Nine months ended
September 30,
2020201920202019
Numerator:
Net income attributable to PQ Group Holdings Inc.$7,512 $26,713 $23,662 $60,438 
Denominator:
Weighted average shares outstanding – Basic135,106,969 134,511,819 135,292,163 134,213,571 
Weighted average shares outstanding – Diluted135,979,118 135,649,710 136,188,033 135,305,370 
Net income per share:
Basic income per share$0.06 $0.20 $0.17 $0.45 
Diluted income per share$0.06 $0.20 $0.17 $0.45 
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PQ GROUP HOLDINGS INC. AND SUBSIDIARIES
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)


Three months ended
March 31,
20212020
Numerator:
Net (loss) income attributable to PQ Group Holdings Inc.$(92,635)$224 
Denominator:
Weighted average shares outstanding – Basic136,006,082 135,240,897 
Weighted average shares outstanding – Diluted136,006,082 136,086,082 
Net loss per share:
Basic loss per share$(0.68)$0.00 
Diluted loss per share$(0.68)$0.00 
The table below presents the details of the Company’s weighted average equity-based awards outstanding during each respective period that were excluded from the calculation of diluted earnings per share:
Three months ended
September 30,
Nine months ended
September 30,
Three months ended
March 31,
202020192020201920212020
Restricted stock awards with performance only targets not yet achievedRestricted stock awards with performance only targets not yet achieved950,174 1,537,572 1,323,270 1,601,474 Restricted stock awards with performance only targets not yet achieved883,380 1,526,613 
Stock options with performance only targets not yet achievedStock options with performance only targets not yet achieved503,526 578,564 509,782 583,204 Stock options with performance only targets not yet achieved376,812 516,000 
Anti-dilutive restricted stock awards, restricted stock units and performance stock unitsAnti-dilutive restricted stock awards, restricted stock units and performance stock units1,539,506 1,432,906 Anti-dilutive restricted stock awards, restricted stock units and performance stock units1,264,324 
Anti-dilutive stock optionsAnti-dilutive stock options844,475 863,063 846,578 863,063 Anti-dilutive stock options850,807 
Restricted stock awards and stock options with performance only vesting conditions were not included in the dilution calculation, as the performance targets have not been achieved nor were probable of achievement as of the end of the respective periods. On a weighted average basis, options to purchase 603,159 and 621,747609,491 shares of common stock at $16.97 per share for the three months ended September 30, 2020 and 2019, respectively, and options to purchase 241,316 shares of common stock at $17.50 per share for the three months ended September 30,March 31, 2020, and 2019, were excluded from the computation of diluted earnings per share, for the respective periods, because the combination of the options’ exercise price and remaining unamortized stock-based compensation expense was greater than the average market price of the common shares. On a weighted average basis, options to purchase 605,262 and 621,747 shares of common stock at $16.97 per share for the nine months ended September 30, 2020 and 2019, respectively, and options to purchase 241,316 shares of common stock at $17.50 per share for the nine months ended September 30, 2020 and 2019, were excluded from the computation of diluted earnings per share for the respective periods, because the combination of the options’ exercise price and remaining unamortized stock-based compensation expense was greater than the average market price of the common shares. The stock options with an exercise price of $16.97 per share expire on October 2, 2027, while the stock options with an exercise price of $17.50 per share expire on August 9, 2028. Anti-dilutive awards are not included in the dilution calculation, as their inclusion would have the effect of increasing diluted income per share.
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PQ GROUP HOLDINGS INC. AND SUBSIDIARIES
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except share and per share amounts)
(unaudited)

21. Supplemental Cash Flow Information:
TheWith the exception of operating leases, the following table presents supplemental cash flow information for the consolidated Company:
Nine months ended
September 30,
Three months ended
March 31,
2020201920212020
Cash paid during the period for:Cash paid during the period for:Cash paid during the period for:
Income taxes, net of refundsIncome taxes, net of refunds$21,507 $13,261 Income taxes, net of refunds$4,248 $8,388 
Interest(1)
Interest(1)
75,345 82,349 
Interest(1)
17,791 19,751 
Non-cash investing activity(2):
Non-cash investing activity:Non-cash investing activity:
Capital expenditures acquired on account but unpaid as of the period endCapital expenditures acquired on account but unpaid as of the period end7,425 13,265 Capital expenditures acquired on account but unpaid as of the period end8,118 13,223 
Right-of-use assets obtained in exchange for new lease liabilities (non-cash)(2):
Right-of-use assets obtained in exchange for new lease liabilities (non-cash):Right-of-use assets obtained in exchange for new lease liabilities (non-cash):
Operating leasesOperating leases13,058 5,148 Operating leases4,738 499 

(1)Cash paid for interest is shown net of capitalized interest for the periods presented and excludes $4,622$2,307 and $8,435$1,771 of net interest proceeds on swaps designated as net investment hedges for the ninethree months ended September 30,March 31, 2021 and 2020, and 2019, respectively, which are included within cash flows from investing activities, discontinued operations in the Company’s condensed consolidated statements of cash flows.
(2)The followinThe Company entered into a non-monetary asset swap arrangement whereby it exchanged certain assets with a third party. Details of the associated non-cash investing activities are further described in Note 6 to these condensed consolidated financial statements. As part of the asset swap transaction, the Company assumed a lease contract that is exclusive of those summarized in the above table.
The followingg table provides a reconciliation of cash, cash equivalents and restricted cash reported within the condensed consolidated balance sheets as of September 30,March 31, 2021 and 2020 and 2019 to the total of the same amounts shown in the condensed consolidated statements of cash flows for the ninethree months then ended:
September 30,March 31,
2020201920212020
Cash and cash equivalentsCash and cash equivalents$164,348 $78,510 Cash and cash equivalents$55,171 $54,655 
Restricted cash included in prepaid and other current assetsRestricted cash included in prepaid and other current assets1,943 1,745 Restricted cash included in prepaid and other current assets1,591 2,277 
Total cash, cash equivalents and restricted cash shown in the condensed consolidated statements of cash flowsTotal cash, cash equivalents and restricted cash shown in the condensed consolidated statements of cash flows$166,291 $80,255 Total cash, cash equivalents and restricted cash shown in the condensed consolidated statements of cash flows$56,762 $56,932 

22. Subsequent Events:
Definitive Agreement to Sell the Company’s Performance Materials Business
On October 15, 2020, the Company entered into a definitive agreement to sell its Performance Materials business for $650,000 in cash, subject to customary purchase price adjustments as set forth in the agreement. The planned sale of the Performance Materials business reflects continued advancement by the Company on its ‘Simpler + Stronger’ strategic path.
The Company expects to use the after-tax cash proceeds from the sale to reduce debt and return capital to its shareholders, subject to board approval and declaration. The transaction is expected to close by the end of 2020, subject to regulatory approvals and customary closing conditions. The Company is currently evaluating the impact of this transaction.
This transaction met the held for sale criteria in October 2020, and consequently the financial results of the Performance Materials business will be reported in discontinued operations beginning in the fourth quarter of 2020.

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Redemption of New Markets Tax Credits
The Company’s NMTC financing arrangements include put/call provisions that can be exercised seven years after funding of the respective loans, whereby the Company may be obligated or entitled to repurchase the given NMTC investor’s interest in the respective investment fund for a de minimis amount. In October 2020, an affiliate of JPMorgan Chase Bank N.A. (“Chase”) exercised its put option under the October 24, 2013 NMTC financing arrangement among Chase and several of its affiliates, TX CDE V LLC, an affiliate of Texas LIC Development Company LLC d/b/a/ Texas Community Development Capital, and the Company (the “2013 NMTC”). After the exercise of the put option the Company acquired ownership of the Chase investment fund, and subsequently the loans between the Company and the Chase investment fund, and between TX CDE V LLC and the Company, were settled. This resulted in the retirement of $21,000 of debt related to the 2013 NMTC and a corresponding $15,632 note receivable, which resulted in a gain on debt forgiveness of $5,368.
Other than the item set forth above, the Company has evaluated subsequent events since the balance sheet date and determined that there are no additional items to disclose.
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ITEM 2.     MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS.
Unless the context requires otherwise, references in this report to “PQ Group Holdings,” “the company,” “we,” “us” or “our” refer to PQ Group Holdings Inc. and its consolidated subsidiaries.
Forward-looking Statements
This periodic report on Form 10-Q (“Form 10-Q”) includes statements that express our opinions, expectations, beliefs, plans, objectives, assumptions or projections regarding future events or future results and therefore are, or may be deemed to be, “forward-looking statements”. The words “believe,” “may,” “will,” “estimate,” “continue,” “anticipate,” “intend,” “expect,” “should” and similar expressions are intended to identify forward-looking statements. We have based these forward-looking statements largely on our current expectations and projections about future events and financial trends that we believe may affect our financial condition, results of operations, business strategy, short- and long-term business operations and objectives, and financial needs. Examples of forward-looking statements include, but are not limited to, statements we make regarding the announced pending sale of our Performance MaterialsChemicals segment, the impact of the novel coronavirus (“COVID-19”) pandemic on our operations and financial results and our liquidity, including our belief that our existing cash, cash equivalents and cash flow from operations, combined with availability under our asset based lending revolving credit facility will be sufficient to meet our presently anticipated future cash needs for at least the next 12 months. These forward-looking statements are subject to a number of risks, uncertainties and assumptions. Moreover, we operate in a very competitive and rapidly changing environment and new risks emerge from time to time. It is not possible for our management to predict all risks, nor can we assess the impact of all factors on our business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from those contained in any forward-looking statements we may make. In light of these risks, uncertainties and assumptions, the forward-looking events and circumstances discussed herein may not occur and actual results could differ materially and adversely from those anticipated or implied in the forward-looking statements. Some of the key factors that could cause actual results to differ from our expectations include risks related to:
the impact of the ongoing COVID-19 pandemic on the global economy and financial markets, as well as on our business and our suppliers, and the response of governments and of our company to the outbreak;
our exposureas a global business, we are exposed to local business risks and regulations in different countries;
we are affected by general economic conditions;conditions and economic downturns;
exchange rate fluctuations;fluctuations could adversely affect our financial condition, results of operations and cash flows;
legalour international operations require us to comply with anti-corruption laws, trade and regulatory compliance;export controls and regulations of the U.S. government and various international jurisdictions in which we do business;
significant developments relating to the U.S. administration, U.S. courts’ or the United Kingdom’s exit from the European Union;
technologicalalternative technology or other changes in our customers’ products may reduce or eliminate the need for certain of our products;
our new product development and research and development efforts may not succeed and our competitors’ research and development;competitors may develop more effective or successful products;
fluctuations in pricesour substantial level of raw materials and relationships withindebtedness could adversely affect our key suppliers;financial condition;
substantial competition;if we are unable to pass on increases in raw material prices, including natural gas, to our customers or to retain or replace our key suppliers, our results of operations and cash flows may be negatively affected;
we face substantial competition in the industries in which we operate;
we are subject to the risk of loss resulting from non-payment or non-performance by our customers;
reliancewe rely on a smalllimited number of customers;customers for a meaningful portion of our business;
potential early termination or non-renewal ofmulti-year customer contracts in our Refining Services segment;refining services segment are subject to potential early termination and such contracts may not be renewed at the end of their respective terms;
reductions in highway safety spending or taxes earmarked for highway safety spending;
seasonalour quarterly results of operations are subject to fluctuations inbecause demand for some of our products is seasonal;
our growth projects may result in significant expenditures before generating revenues, if any, which may materially and adversely affect our ability to implement our business strategy;
we may be liable to damages based on product liability claims brought against us or our customers for costs associated with recalls of our or our customers’ products;
retention of certain key personnel;
realization of our growth projects;
potential product liability claims;
existing and potential future government regulation;
thewe are subject to extensive environmental, health and safety regulations to which we are subject;
disruptionand face various risks associated with potential non-compliance or releases of production and distribution of our products;
risk of loss beyond our available insurance coverage;hazardous materials;
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product quality;existing and proposed regulations to address climate change by limiting greenhouse gas emissions may cause us to incur significant additional operating and capital expenses and may impact our business and results of operations;
successful integrationproduction and distribution of acquisitions;our products could be disrupted for a variety of reasons, and such disruptions could expose us to significant losses or liabilities;
the insurance that we maintain may not fully cover all potential exposures;
we could be subject to damages based on claims brought against us by our joint venture investments;customers or lose customers as a result of the failure of our products to meet certain quality specifications;
our failure to protect our intellectual property and infringement on the intellectual property rights of third parties;
losses and damages in connection with information technology risks;
potential labor disruptions;
litigation and other administrative and regulatory proceedings;
risks could adversely affect our substantial indebtedness;operations; and
other factors set forth in Part I, “Item 1A. Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2019.2020.
The forward-looking statements included herein are made only as of the date hereof. You should not rely upon forward-looking statements as predictions of future events. Although we believe that the expectations reflected in the forward-looking statements are reasonable, we cannot guarantee that the future results, levels of activity, performance or events and circumstances reflected in the forward-looking statements will be achieved or occur. Moreover, neither we nor any other person assumes responsibility for the accuracy and completeness of the forward-looking statements. We undertake no obligation to update publicly any forward-looking statements for any reason after the date of this Form 10-Q to conform these statements to actual results or to changes in our expectations.
Overview
We are a leading integrated and innovative global provider of specialty catalysts materials, chemicals and services. We support customers globally through our strategically located network of manufacturing facilities. We believe that our products, which are predominantly inorganic, and services contribute to improving the sustainability of the environment.
We conduct operations through fourtwo reporting segments: (1) Refining Services and (2) Catalysts (including our 50% interest in the Zeolyst Joint Venture), (3) Performance Materials, and (4) Performance Chemicals..
Refining Services: We are the leading provider of sulfuric acid recycling services to North American refineries for the production of alkylate, an essential gasoline component for lowering vapor pressure and increasing octane to meet stringent gasoline specifications and fuel efficiency standards. We are also a leading North American producer of on-purpose virgin sulfuric acid for water treatment, mining, and industrial applications.
Catalysts: We are a global supplier of finished silica catalysts and catalyst supports necessary to produce high strength and high stiffness plastics used in packaging films, bottles, containers, and other molded applications. We are also a leading global supplier of zeolites used for catalysts that remove nitric oxide from diesel engine emissions as well as sulfur from fuels during the refining process.
Performance Materials: We are an industry leader in North America, Europe, and South America in transportation safety. Our products are used to delineate roads and runways with highly reflective markings, improving safety by enhancing visibility at night and in poor weather. Our microspheres also serve as functional additives in industrial applications, including polymers and plastics, and in abrasive applications for metal surfaces.
Performance Chemicals: We are a leading global producer of sodium silicates and downstream specialty silicas as well as other silicate derivative products. These products are used in a wide variety of industrial and consumer applications such as matting agents in surface coatings, clarifying agents for edible oils and beer, precursors for green tires, additives for dental cleaning and personal care products, and as feedstock for our additives and catalyst platforms.
Recent Developments
On October 15,December 14, 2020, we enteredcompleted the sale of our Performance Materials business for $650.0 million, which was subject to certain adjustments for indebtedness, working capital and cash at the closing of the transaction. The results of operations, financial condition, and cash flows for the Performance Materials business are presented herein as discontinued operations. Except where noted, any tables, percentages or metrics included within this filing exclude the results of our former Performance Materials business. Refer to Note 3 to our condensed consolidated financial statements for additional information.
On February 28, 2021, we announced the entry into a definitive agreement to sell our Performance MaterialsChemicals business to a partnership established by Koch Mineral & Trading LLC and Cerberus Capital Management, L.P. for $650.0 million. We expecta purchase price of $1.1 billion, which is subject to use after-taxcertain adjustments including for indebtedness, cash, proceeds fromworking capital and transaction expenses. The results of operations, financial condition, and cash flows for the salePerformance Chemicals business are presented herein as discontinued operations. Except where noted, any tables, percentages or metrics included within this filing exclude the results of our Performance Chemicals business. Refer to reduce debt and return capitalNote 3 to our shareholders, subject to board approval and declaration. The transaction is expected to close by the end of 2020, subject to regulatory approvals and customary closing conditions. Beginning in the fourth quarter of 2020, we expect to present thecondensed consolidated financial results of the Performance Materials business as discontinued operations.statements for additional information.

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Impact of COVID-19 on our Business and Results
In March 2020, the outbreak of COVID-19 was declared a national emergency by the United States. COVID-19 continues to spread throughout the world and has adversely impacted economic activity and contributed to volatility in financial markets. In response to the COVID-19 pandemic, the federal government, various states, local and foreign governments have issued decrees and orders that have disrupted many businesses and implemented social distancing, travel and other restrictions. In response to these restrictions, we have taken a variety of actions, including an international travel ban, distribution of personal protective equipment to employees, and work-at-home requirements for many of our employees who are not an integral part of our manufacturing operations. We have also implemented and refined our existing business continuity plans in an effort to minimize disruptions to our operations.
Our manufacturing operations, as well as the operations of our key vendors and the majority of our key customers, have continued to operate with limited interruptions. Some of the ways our businesses support the battle against COVID-19 include:
In our Refining Services segment, our plants provide critical services that refineries need to produce fuel that powers vehicles that transport goods and people to essential businesses;
In our Catalysts segment, we produce supports used to manufacture polypropylene, which is the most common material used to make surgical masks. We also produce catalysts and supports needed to manufacture polyethylene, which is used in packaging materials for detergents, bleaches, specialized medical equipment and other sanitation items that are critical to preventing the spread of COVID-19;
In our Performance Materials segment, we produce high-quality microspheres which are used in respirators, hospital beds and protective goggles; and
In our Performance Chemicals segment, our silicates are used in cleaning products such as soaps and detergents used in homes, businesses and hospitals.
Near Term Trends on Business Segment End Uses
The COVID-19 pandemic has led to unprecedented disruptions within the macro economy, which led to an overall lower sales volume demand during the third quarter of 2020. The timing and magnitude of the impact to sales volume demand varied across our portfolio of businesses due to the many end uses. Key end use trends in our business segments during the third quarter and expectations for the balance of the year are described below:
Refining Services: This business segment was impacted the most by COVID-19 but has begun to see a significant rebound in demand from second quarter lows. Stay-at-home mandates enacted at the end of the first quarter, which continued through the second quarter, led to rapid and significant reductions in gasoline demand in the U.S. As stay-at-home restrictions were lifted toward the end of the second quarter, gasoline consumption recovered to approximately 90% of 2019 levels. Virgin sulfuric acid demand from refining and industrial customers rebounded in the third quarter, which mitigated continued pressure within the automotive and industrial production end uses. We expect these trends to continue into the fourth quarter.
Performance Materials: We experienced a reduction in demand for our North American highway safety products as a result of reduced levels of striping activity due to COVID-related work restrictions. In Europe, demand has been showing a steady monthly improvement as countries reopened and customers returned to work on previously approved road striping projects. While the fourth quarter is typically seasonally lower than the third quarter due to weather conditions, we anticipate that demand trends will be comparable to the prior year. Demand for our engineered glass materials showed steady improvement in the third quarter, with volumes increasing for products sold to the general industrial and construction end uses. This more than offset continued slower demand for products sold to the automotive industry. We expect this utilization to extend into the fourth quarter.
Performance Chemicals: Since the second quarter, improving signs of economic recovery are benefiting our products used for consumer product and industrial and process chemicals applications. However, demand for commercial cleaning remained soft as detergents and personal care consumption eased from the strong second-quarter surge by consumers stocking up for COVID-19 stay-at-home mandates.
Catalysts: Our Catalysts segment delivered strong polyolefin catalyst results through the third quarter ended September 30, 2020. However, with refineries now focused on cash conservation, a number of our customers are now adjusting their change-out schedules. Demand for our emission control catalysts used in heavy-duty diesel vehicles slumped in the third quarter as our customers continued to curtail production to align with lower demand. We anticipate that demand will be well below prior year levels.
During the quarter ended September 30, 2020, we continued to take actions to mitigate the slowdown in our business as a result of the effects of COVID-19, including adjusting our production levels to meet anticipated customer demand, reducing discretionary spending, furloughs, delaying headcount additions and deferring capital maintenance expenditures.

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Operations and Supply
Although the full impact of COVID-19 on our business is currently unknown, our manufacturing facilities have continued to operate and have been providing critical materials necessary to aid in combating the COVID-19 pandemic and products we manufacture for other essential businesses. Our manufacturing plants require a limited number of on-site employees in order to continue to operate effectively. We have not experienced any material production issues to date, but have had limited and temporary shutdowns or slowdowns in some of our facilities. Several of our manufacturing facilities experienced production delays as a result of employee absenteeism related to COVID-19. We have also seen limited disruptions in the availability of certain of our raw materials and other supplies, which to date have not had a material impact on production.
Liquidity
As of September 30, 2020, we had cash and cash equivalents of $164.3 million and total available liquidity of $345.4 million. During the quarter ended March 31, 2020, we amended our Term Loan Facility to reduce the applicable interest rate and extend the maturity of the facility to February 2027. We also amended our existing ABL Facility to reduce the applicable interest rate, extend the maturity, and increase the aggregate amount of the revolving loan commitments available by $50.0 million to $250.0 million.
In July 2020, we entered into an agreement for a new senior secured term loan facility of $650.0 million, the proceeds of which were used to refinance our existing 6.75% Senior Secured Notes due 2022 and pay the associated early redemption premiums. The new senior secured term loan facility will reduce our interest expense and will mature in February 2027.
Following these actions, we have no significant debt maturities prior to November 2025 and our outstanding debt obligations do not contain material financial covenants requiring us to maintain a leverage ratio below a particular level.
Coronavirus Aid, Relief and Economic Security (“CARES”) Act
On March 27, 2020, the CARES Act was signed into law. The provisions of the CARES Act provide substantial stimulus and financial assistance measures intended to mitigate the impact of the COVID-19 pandemic, including certain tax relief provisions. As permitted within the CARES Act, we began deferring payment of the employer portion of social security taxes in the second quarter and expect to continue to do so through the end of 2020, with 50% of the deferred amount due December 31, 2021 and the remaining 50% due December 31, 2022. This deferral is expected to provide approximately $6.0 million in additional liquidity in 2020. We continue to monitor any effects that may result from the CARES Act.
Key Performance Indicators
Adjusted EBITDA and Adjusted Net Income
Adjusted EBITDA and adjusted net income are financial measures that are not prepared in accordance with accounting principles generally accepted in the United States (“GAAP”) and that we use to evaluate our operating performance, for business planning purposes and to measure our performance relative to that of our competitors. Adjusted EBITDA and adjusted net income are presented as key performance indicators as we believe these financial measures will enhance a prospective investor’s understanding of our results of operations and financial condition. EBITDA consists of net income (loss) attributable to PQ Group Holdingscontinuing operations before interest, taxes, depreciation and amortization. Adjusted EBITDA consists of EBITDA adjusted for (i) non-operating income or expense, (ii) the impact of certain non-cash, nonrecurring or other items included in net income (loss) and EBITDA that we do not consider indicative of our ongoing operating performance, and (iii) depreciation, amortization and interest of our 50% share of the Zeolyst Joint Venture. Adjusted net income consists of net income (loss) attributable to PQ Group Holdingscontinuing operations adjusted for (i) non-operating income or expense and (ii) the impact of certain non-cash, nonrecurring or other items included in net income (loss) that we do not consider indicative of our ongoing operating performance. We believe that these non-GAAP financial measures provide investors with useful financial metrics to assess our operating performance from period-to-period by excluding certain items that we believe are not representative of our core business.
You should not consider adjusted EBITDA or adjusted net income in isolation or as alternatives to the presentation of our financial results in accordance with GAAP. The presentation of adjusted EBITDA and adjusted net income financial measures may differ from similar measures reported by other companies and may not be comparable to other similarly titled measures. In evaluating adjusted EBITDA and adjusted net income, you should be aware that we are likely to incur expenses similar to those eliminated in this presentation in the future and that certain of these items could be considered recurring in nature. Our presentation of adjusted EBITDA and adjusted net income should not be construed as an inference that our future results will be unaffected by unusual or nonrecurring items. Reconciliations of adjusted EBITDA and adjusted net income to GAAP net income (loss) are included in the results of operations discussion that follows for each of the respective periods.
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Key Factors and Trends Affecting Operating Results and Financial Condition
Sales
OverMarket demand has significantly rebounded since the past few months, our sales2020 lows that resulted from the impact of COVID-19. Refineries have been negatively impacted by COVID-19. Declining gross domestic productseen demand return with increasing miles driven. Emission control and refining catalysts continue to lag, but show signs of rebound in the second half of 2021.
In February 2021, the Gulf Coast of the United States experienced significant and Europe, reduced demandunexpectedly severe weather. Extended freezing temperatures led to shutdowns or slowdowns at nearly all refineries and extensive damage due to frozen piping. Some plants remained down for gasoline, stay-at-home requirementsnearly a month. Our Refining Services facilities located in the Gulf experienced damage and work restrictions to improve safety have temporarily reduced demand for products across our portfolio. We believe the second quarter was the trough of our demand decline as we have experienced improvement in most areas of our business during the third quarter. Refer to the discussion above under “Impact of COVID-19 on our Business and Results” for additional commentary.required certain repairs.
Sales in our Refining Services Performance Chemicals and Catalysts segments are made on both a purchase order basis and pursuant to long-term contracts. Product sales in our Performance Materials segment are made principally on a purchase order basis.
Historically, our Performance Materials and Performance Chemicals segments have experienced relatively stable demand throughout economic cycles due to the diverse consumer and industrial end uses that our products serve. There may be modest fluctuations in timing of orders, but orders are mainly driven by demand and general economic conditions.
Cost of Goods Sold
Cost of goods sold consists of variable product costs, fixed manufacturing expenses, depreciation expense and freight expenses. Variable product costs include all raw materials, energy and packaging costs that are directly related to the manufacturing process. Fixed manufacturing expenses include all plant employment costs, manufacturing overhead and periodic maintenance costs. The primary raw materials for our Refining Services segment include spent sulfuric acid, sulfur, acids, bases (including sodium hydroxide, or “caustic soda”), and certain metals. The primary raw materials used in the manufacture of products in our Performance Materials, Performance Chemicals and Catalysts segments include soda ash, industrial sand, aluminum trihydrate, sodium hydroxide,silicate and cullet.cesium hydroxide.
Most of our Refining Services contracts feature take-or-pay volume protection and/or quarterly price adjustments for commodity inputs, labor, the Chemical Engineering Index (U.S. chemical plant construction cost index) and natural gas. Spent acid for our Refining Services segment is supplied by customers for a nominal charge as part of their contracts. Over 90%80% of our Refining Services segment sales for the year ended December 31, 20192020 were under contracts featuring quarterly price adjustments. The price adjustments generally reflect actual costs for producing acid and tend to protect us from volatility in labor, fixed costs and raw material pricing. The take-or-pay volume protection allows us to cover fixed costs through intermittent, temporary production issues at customer refineries.
For the year ended December 31, 2019, approximately 50% of our Americas silicate sales, which is a significant portion of our Performance Chemicals segment sales, were derived from contracts that included raw material pass-through clauses. Under these contracts, there generally is a time lag of three to nine months for price changes to pass through, depending on the magnitude of the change in cost and other market dynamics. Freight expenses are generally passed through directly to customers.
While natural gas is not a direct feedstock for any product, all businesses use natural gas powered furnaces are used to heat raw materials and create the chemical reactions necessary to produce end-products. We maintain multiple suppliers wherever possible, hedge exposure to fluctuations in prices for natural gas purchases in the United States, make forward purchases of natural gas in the United States Canada, and Europe to mitigate our exposure to price volatility, and structure our customer contracts when possible to allow for the pass-through of raw material and natural gas costs.
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Joint Ventures
We account for our investments in our equity joint ventures under the equity method. Our largest joint venture, the Zeolyst Joint Venture, manufactures high performance, specialty, zeolite-based catalysts for use in the packaging and engineered plastics, emission control, refining and petrochemical industries and other areas of the broader chemicals industry. We share proportionally in the management of our joint ventures with the other parties to each such joint venture.
Seasonality
Seasonal changes and weather conditions typically affect our Performance Materials and Refining Services segments. In particular, our Performance Materials segment generally experiences lower sales and profit in the first and fourth quarters of the year because highway striping projects typically occur during warmer weather months. Our Refining Services segment typically experiences similar seasonal fluctuations as a result of higher demand for gasoline products in the summer months and lower demand in the winter months. As aThese demand fluctuations result in higher sales and working capital requirements tend to be higher in the firstsecond and second quarters of the year, which can adversely affect our liquidity and cash flows. Because of this seasonality associated with certain of our segments, results for any one quarter are not necessarily indicative of the results that may be achieved for any other quarter or for the full year.
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third quarter.
Foreign Currency
As a global business, we are subject to the impact of gains and losses on currency translations, which occur when the financial statements of foreign operations are translated into U.S. dollars. We operate a geographically diverse businessin various geographies with approximately 40%10% of our sales for the ninethree months ended September 30, 2020March 31, 2021 and the year ended December 31, 20192020 are in currencies other than the U.S. dollar. Because our consolidated financial results are reported in U.S. dollars, sales or earnings generated in currencies other than the U.S. dollar can result in a significant increase or decrease in the amount of those sales and earnings when translated to U.S. dollars. The foreign currenciescurrency to which we have the most significant exchange rate exposure includeis the Euro, British pound, Canadian dollar, Brazilian real and the Mexican peso.pound.
Results of Operations
Three Months Ended September 30, 2020March 31, 2021 Compared to the Three Months Ended September 30, 2019March 31, 2020
Highlights
The following is a summary of our financial performance for the three months ended September 30, 2020March 31, 2021 compared with the three months ended September 30, 2019.March 31, 2020.
Sales
Sales decreased $43.5increased $1.0 million to $380.3$126.6 million. The decreaseincrease in sales was primarily due to favorable cost pass-through pricing and higher polyethylene catalysts volumes offset by lower sales volumes of regeneration and the unfavorable effects of foreign currency translation of $2.5 million.virgin sulfuric acid.
Gross Profit
Gross profit decreased $16.4$7.6 million to $96.5$30.1 million. The decrease in gross profit was primarily due to the declinelower sales volumes and an increase in sales volumes,manufacturing costs, which was partially offset by lower production costs.favorable customer pricing and product mix.
Operating Income
Operating income decreased by $10.6$9.4 million to $47.0$2.5 million. The decrease in operating income was due to lower a decrease in gross profit which was partly offset by a gain onduring the sale of a non-core product line and reduced selling, general and administrative expenses.current year period.
Equity in Net Income of Affiliated Companies
Equity in net income of affiliated companies for the three months ended September 30, 2020March 31, 2021 was $0.2$5.2 million, compared to $17.3with $8.3 million for the three months ended September 30, 2019.March 31, 2020. The decrease of $17.1$3.1 million was due to lowera decrease in earnings generated by the Zeolyst Joint Venture for the three months ended September 30, 2020.March 31, 2021.
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The following is our unaudited condensed consolidated statements of income and a summary of financial results for the three months ended September 30, 2020March 31, 2021 and 2019:2020:
Three months ended
September 30,
ChangeThree months ended
March 31,
Change
20202019$%20212020$%
(in millions, except percentages)(in millions, except percentages)
SalesSales$380.3 $423.8 $(43.5)(10.3)%Sales$126.6 $125.6 $1.0 0.8 %
Cost of goods soldCost of goods sold283.8 310.9 (27.1)(8.7)%Cost of goods sold96.5 87.9 8.6 9.8 %
Gross profitGross profit96.5 112.9 (16.4)(14.5)%Gross profit30.1 37.7 (7.6)(20.2)%
Gross profit marginGross profit margin25.4 %26.6 %Gross profit margin23.8 %30.0 %
Selling, general and administrative expensesSelling, general and administrative expenses37.1 39.5 (2.4)(6.1)%Selling, general and administrative expenses22.1 22.3 (0.2)(0.9)%
Other operating expense, netOther operating expense, net12.4 15.7 (3.3)(21.0)%Other operating expense, net5.5 3.5 2.0 57.1 %
Operating incomeOperating income47.0 57.6 (10.6)(18.4)%Operating income2.5 11.9 (9.4)(79.0)%
Operating income marginOperating income margin12.4 %13.6 %Operating income margin2.0 %9.5 %
Equity in net (income) from affiliated companiesEquity in net (income) from affiliated companies(0.2)(17.3)17.1 (98.8)%Equity in net (income) from affiliated companies(5.2)(8.3)3.1 (37.3)%
Interest expense, netInterest expense, net18.6 27.7 (9.1)(32.9)%Interest expense, net10.5 15.3 (4.8)(31.4)%
Debt extinguishment costsDebt extinguishment costs14.0 1.8 12.2 677.8 %Debt extinguishment costs— 2.5 (2.5)(100.0)%
Other (income) expense, net(5.0)1.9 (6.9)(363.2)%
Income before income taxes and noncontrolling interest19.6 43.5 (23.9)(54.9)%
Provision for income taxes11.8 16.7 (4.9)(29.3)%
Other expense, netOther expense, net5.1 7.5 (2.4)(32.0)%
Loss before income taxes and noncontrolling interestLoss before income taxes and noncontrolling interest(7.9)(5.1)(2.8)54.9 %
Benefit for income taxesBenefit for income taxes(5.2)(1.7)(3.5)205.9 %
Effective tax rateEffective tax rate60.1 %38.4 %Effective tax rate65.4 %33.2 %
Net income7.8 26.8 (19.0)(70.9)%
Less: Net income attributable to the noncontrolling interest0.3 0.1 0.2 200.0 %
Net income attributable to PQ Group Holdings Inc.$7.5 $26.7 $(19.2)(71.9)%
Net loss from continuing operationsNet loss from continuing operations(2.7)(3.4)0.7 (20.6)%
Net (loss) income from discontinued operations, net of taxNet (loss) income from discontinued operations, net of tax(89.8)3.9 (93.7)NM
Net (loss) incomeNet (loss) income(92.5)0.5 (93.0)NM
Less: Net income attributable to the noncontrolling interest - discontinued operationsLess: Net income attributable to the noncontrolling interest - discontinued operations0.1 0.3 (0.2)(66.7)%
Net (loss) income attributable to PQ Group Holdings Inc.Net (loss) income attributable to PQ Group Holdings Inc.$(92.6)$0.2 $(92.8)NM
Sales
Three months ended
September 30,
ChangeThree months ended
March 31,
Change
20202019$%20212020$%
(in millions, except percentages)(in millions, except percentages)
Sales:Sales:Sales:
Refining ServicesRefining Services$107.6 $118.3 $(10.7)(9.0)%Refining Services$100.2 $100.7 $(0.5)(0.5)%
CatalystsCatalysts23.1 25.6 (2.5)(9.8)%Catalysts26.4 24.9 1.5 6.0 %
Performance Materials104.6 115.1 (10.5)(9.1)%
Performance Chemicals148.5 167.9 (19.4)(11.6)%
Eliminations(3.5)(3.1)(0.4)
Total salesTotal sales$380.3 $423.8 $(43.5)(10.3)%Total sales$126.6 $125.6 $1.0 0.8 %

Refining Services:Services: Sales in Refining Services for the three months ended September 30, 2020March 31, 2021 were $107.6$100.2 million, a decrease of $10.7$0.5 million, or 9.0%0.5%, compared to sales of $118.3$100.7 million for the three months ended September 30, 2019.March 31, 2020. The decrease in sales was primarily due to lower sales volumes of $7.4 million partially offset by higher average selling prices of $5.9 million and lower volumes of $4.8$5.8 million.
The decline in sales volumes, estimated at $6.0 million, was thea result of lower gasoline productionextensive damages to both our facilities and our customers facilities due to the COVID-19 pandemic, refining disruptions caused by Hurricane Laura andfreezing weather in the Gulf of Mexico. Higher average selling prices benefited from pass-through of lowerfavorable sulfur pricing of $3.7$3.1 million in our virgin sulfuric acid product group.
Catalysts: Sales in Silica Catalysts for the three months ended September 30, 2020March 31, 2021 were $23.1$26.4 million, a decreasean increase of $2.5$1.5 million, or 9.8%6.0%, compared to sales of $25.6$24.9 million for the three months ended September 30, 2019.March 31, 2020. The decreaseincrease in sales was primarily due to a decreaseproduct mix of polyethylene catalysts resulting in volumesan increase in pricing of $2.4$0.8 million.The decrease in sales was due to a decline in methyl methacrylate sales which were partially offset by continued strong demand for our polyolefin catalysts.

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Performance Materials: Sales in Performance Materials for the three months ended September 30, 2020 were $104.6 million, a decrease of $10.5 million, or 9.1%, compared to sales of $115.1 million for the three months ended September 30, 2019. The decrease in sales was primarily due to lower volumes of $13.0 million which were offset by higher average selling price from favorable customer mix of $2.0 million.
The decrease in sales volumes was a result of lower European demand for our highway safety products, lower industrial application demand for our engineered glass products and an absence of thermoplastic sales as a result of the first quarter asset swap. The decline in sales volumes was offset by higher average selling prices for highway safety products sold in North America.
Performance Chemicals: Sales in Performance Chemicals for the three months ended September 30, 2020 were $148.5 million, a decrease of $19.4 million, or 11.6%, compared to sales of $167.9 million for the three months ended September 30, 2019. The decrease in sales was primarily due to lower sales volumes of $18.9 million and the unfavorable effects of foreign currency translation of $2.9 million, which were partially offset by favorable sales mix of $2.4 million.
The decrease in sales was primarily a result of lower volumes of sodium silicate, sold across multiple applications, as a result of COVID-19 related customer slowdowns in production and continued decline in the zeolites market’s in which we operate. The unfavorable effects of foreign currency translation were driven by the stronger U.S. dollar.
Gross Profit
Gross profit for the three months ended September 30, 2020March 31, 2021 was $96.5$30.1 million, a decrease of $16.4$7.6 million, or 14.5%20.2%, compared with $112.9$37.7 million for the three months ended September 30, 2019.March 31, 2020. The decrease in gross profit was due to lower sales volumes of $19.8 million, unfavorable product mix of $3.6$9.6 million and unfavorable customer pricinghigher manufacturing costs of $1.8$7.0 million, which werewas partially offset by favorable manufacturing costscustomer pricing of $10.4$6.6 million and favorable product mix of $3.2 million.
The decrease inSales volumes wasdeclined within the fuels and emission control end uses as a result of lower demand for sodium silicate sold across multiple applicationsextensive damages to both our facilities and our customers facilities due to the impactfreezing weather in the Gulf of COVID-19 on gasoline production, which resultedMexico. The increase in lower demand for our regeneration servicesmanufacturing costs, estimated at $9.0 million, included one-time repair costs and catalyst products. The unfavorablehigher inventory absorption costs. Favorable product mix was a result of increased sales of lower-margin products sold in our North American highway product group. The favorable change in manufacturing costs was a result of lower production costs related to our European operations.higher-margin polyethylene catalysts sales.
Selling, General and Administrative Expenses
Selling, general and administrative expenses for the three months ended September 30, 2020 were $37.1March 31, 2021 was $22.1 million, a decrease of $2.4$0.2 million compared with $39.5as compared to $22.3 million for the three months ended September 30, 2019. March 31, 2020. The decrease in selling, general and administrative expenses was due to cost controlling initiatives.the benefits of the transition service agreement entered into as part of the sale of the Performance Materials business, which was partially offset by increased stock compensation expense.
Other Operating Expense, Net
Other operating expense, net for the three months ended September 30, 2020March 31, 2021 was $12.4$5.5 million, a decreasean increase of $3.3$2.0 million, compared with $15.7$3.5 million for the three months ended September 30, 2019.March 31, 2020. The decreaseincrease in other operating expense, net was due to a gain on the sale of a product group in the current year period and lower environmental costs, which were partially offset by an increase in business optimization charges.
Equity in Net Income of Affiliated Companies
Equity in net income of affiliated companies for the three months ended September 30, 2020 was $0.2 million, compared to $17.3 million for the three months ended September 30, 2019. The decrease was primarily due to $17.2 million of lower earnings from the Zeolyst Joint Venture during the three months ended September 30, 2020 as compared to the three months ended September 30, 2019. The decrease in earnings from the Zeolyst Joint Venture was due to a decrease of specialty catalyst orders and the impact of COVID-19 on sales for our emission control and hydrocracking catalysts.
Interest Expense, Net
Interest expense, net for the three months ended September 30, 2020 was $18.6 million, a decrease of $9.1 million, as compared with $27.7 million for the three months ended September 30, 2019. The decrease in interest expense, net was primarily due to lower interest rates on our variable debt, along with lower average debt balances and a favorable increase in variable versus fixed rate debt during the three months ended September 30, 2020 as compared to the three months ended September 30, 2019.
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Debt Extinguishment Costs
Debt extinguishment costs for the three months ended September 30, 2020 and 2019 were $14.0 million and $1.8 million, respectively. On July 22, 2020, we entered into an agreement for a new senior secured term loan facility in an aggregate principal amount of $650.0 million, which was used to repay the remaining outstanding balance of $625.0 million on the 6.75% Senior Secured Notes due 2022. In conjunction with the issuance of the senior secured term loan facility, we paid $10.6 million in prepayment premiums and recorded $0.1 million of new creditor and third-party financing fees as debt extinguishment costs. In addition, previous unamortized deferred financing costs of $2.1 million and original issue discount of $1.2 million associated with the 6.75% Senior Secured Notes due 2022 were written off as debt extinguishment costs.
During the quarter ended September 30, 2019, the Company prepaid $100.0 million of outstanding principal balance on the Term Loan Facility. The Company wrote off $0.5 million of previously unamortized deferred financing costs and original issue discount of $1.2 million as debt extinguishment costs for the three months ended September 30, 2019.
Other Expense, Net
Other expense, net for the three months ended September 30, 2020 was income of $5.0 million, an increase of $6.9 million, as compared with an expense of $1.9 million for the three months ended September 30, 2019. The change in other expense, net primarily consisted of foreign currency activity related to the non-permanent intercompany debt denominated in local currency and translated to the U.S. dollar. During the three months ended September 30, 2020, the foreign currency activity resulted in gains and, during the three months ended September 30, 2019, the foreign currency activity resulted in losses.
Provision for Income Taxes
The provision for income taxes for the three months ended September 30, 2020 was $11.8 million compared to a $16.7 million provision for the three months ended September 30, 2019. The effective income tax rate for the three months ended September 30, 2020 was 60.1% compared to 38.4% for the three months ended September 30, 2019.
The Company’s effective income tax rate fluctuates based primarily on changes in income mix (including the effect of loss companies), the impacts of the Global Intangible Low Taxed Income (“GILTI”) tax rules and changes in foreign exchange gains and losses, which create permanent differences in certain jurisdictions.
The difference between the U.S. federal statutory income tax rate and the Company’s effective income tax rate for the three months ended September 30, 2020 was mainly due to the tax effect of permanent differences related to foreign currency exchange gain or loss, the inclusion of foreign earnings in U.S. taxable income, the discrete impact of the product line and asset sales, foreign tax rate changes, pre-tax losses with no associated tax benefit and state taxes.
Net Income Attributable to PQ Group Holdings
For the foregoing reasons and after the effect of the non-controlling interest in earnings of subsidiaries for each period presented, net income attributable to PQ Group Holdings was $7.5 million for the three months ended September 30, 2020 compared with net income of $26.7 million for the three months ended September 30, 2019.
Adjusted EBITDA
Summarized Segment Adjusted EBITDA information is shown below in the following table:
Three months ended
September 30,
Change
20202019$%
(in millions, except percentages)
Segment Adjusted EBITDA:(1)
Refining Services$44.3 $51.2 $(6.9)(13.5)%
Catalysts(2)
11.8 31.6 (19.8)(62.7)%
Performance Materials25.3 25.8 (0.5)(1.9)%
Performance Chemicals33.9 36.8 (2.9)(7.9)%
Total Segment Adjusted EBITDA(3)
115.3 145.4 (30.1)(20.7)%
Unallocated corporate expenses(6.7)(7.7)1.0 13.0 %
Total Adjusted EBITDA$108.6 $137.7 $(29.1)(21.1)%



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(1)We define Segment Adjusted EBITDA as EBITDA adjusted for certain items as noted in the reconciliation below. Our management evaluates the performance of our segments and allocates resources based primarily on Segment Adjusted EBITDA. Segment Adjusted EBITDA does not represent cash flow for periods presented and should not be considered as an alternative to net income as an indicator of our operating performance or as an alternative to cash flows as a source of liquidity. Segment Adjusted EBITDA may not be comparable with EBITDA or Adjusted EBITDA as defined by other companies.
(2)The Adjusted EBITDA from the Zeolyst Joint Venture included in the Catalysts segment was $5.3 million for the three months ended September 30, 2020, which includes $0.1 million of equity in net income, excluding $1.7 million of amortization of investment in affiliate step-up plus $3.6 million of joint venture depreciation, amortization and interest. The Adjusted EBITDA from the Zeolyst Joint Venture included in the Catalysts segment was $22.6 million for the three months ended September 30, 2019, which includes $17.2 million of equity in net income, excluding $1.7 million of amortization of investment in affiliate step-up plus $3.7 million of joint venture depreciation, amortization and interest.
(3)Our total Segment Adjusted EBITDA differs from our total consolidated Adjusted EBITDA due to unallocated corporate expenses.
Refining Services: Adjusted EBITDA for the three months ended September 30, 2020 was $44.3 million, a decrease of $6.9 million, or 13.5%, compared with $51.2 million for the three months ended September 30, 2019. The decrease in Adjusted EBITDA was a result of reduced sales volumes partially offset by cost cutting initiatives.
Catalysts: Adjusted EBITDA for the three months ended September 30, 2020 was $11.8 million, a decrease of $19.8 million, or 62.7%, compared with $31.6 million for the three months ended September 30, 2019. The decreaseseverance charges incurred in Adjusted EBITDA was primarily a result of reduced volumes on timing of customer orders and unfavorable fixed cost absorption as production was reduced to align with anticipated lower demand.
Performance Materials: Adjusted EBITDA for the three months ended September 30, 2020 was $25.3 million, a decrease of $0.5 million, or 1.9%, compared with $25.8 million for the three months ended September 30, 2019. The decrease in Adjusted EBITDA was a result of lower sales volumes offset by operational optimization and efforts to minimize costs.
Performance Chemicals: Adjusted EBITDA for the three months ended September 30, 2020 was $33.9 million, a decrease of $2.9 million, or 7.9%, compared with $36.8 million for the three months ended September 30, 2019. The decrease in Adjusted EBITDA was due to a decline in customer orders due to the COVID-19 pandemic.

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A reconciliation of net income attributable to PQ Group Holdings to Segment Adjusted EBITDA is as follows:
Three months ended
September 30,
20202019
(in millions)
Reconciliation of net income attributable to PQ Group Holdings Inc. to Segment Adjusted EBITDA
Net income attributable to PQ Group Holdings Inc.$7.5 $26.7 
Provision for income taxes11.8 16.7 
Interest expense, net18.6 27.7 
Depreciation and amortization45.8 44.2 
EBITDA83.7 115.4 
Joint venture depreciation, amortization and interest(a)
3.6 3.7 
Amortization of investment in affiliate step-up(b)
1.7 1.7 
Debt extinguishment costs14.0 1.8 
Net (gain) loss on asset disposals(c)
(4.5)1.1 
Foreign currency exchange (gain) loss(d)
(4.6)4.5 
LIFO (benefit) expense(e)
(0.8)0.5 
Transaction and other related costs(f)
3.3 0.7 
Equity-based compensation6.1 4.8 
Restructuring, integration and business optimization expenses(g)
4.6 0.7 
Defined benefit pension plan cost(h)
0.4 0.8 
Other(i)
1.1 2.1 
Adjusted EBITDA108.6 137.7 
Unallocated corporate expenses6.7 7.7 
Segment Adjusted EBITDA$115.3 $145.4 

(a)We use Adjusted EBITDA as a performance measure to evaluate our financial results. Because our Catalysts segment includes our 50% interest in the Zeolyst Joint Venture, we include an adjustment for our 50% proportionate share of depreciation, amortization and interest expense of the Zeolyst Joint Venture.
(b)Represents the amortization of the fair value adjustments associated with the equity affiliate investment in the Zeolyst Joint Venture as a result of the combination of the businesses of PQ Holdings Inc. and Eco Services Operations LLC in May 2016 (the “Business Combination”). We determined the fair value of the equity affiliate investment and the fair value step-up was then attributed to the underlying assets of the Zeolyst Joint Venture. Amortization is primarily related to the fair value adjustments associated with fixed assets and intangible assets, including customer relationships and technical know-how.
(c)When asset disposals occur, we remove the impact of net gain/loss of the disposed asset because such impact primarily reflects the non-cash write-off of long-lived assets no longer in use.
(d)Reflects the exclusion of the foreign currency transaction gains and losses in the statements of income which primarily relates to the non-permanent intercompany debt denominated in local currency translated to U.S. dollars.
(e)Represents non-cash adjustments to the Company’s LIFO reserves for certain inventories in the U.S. that are valued using the LIFO method, which we believe provides a means of comparison to other companies that may not use the same basis of accounting for inventories.
(f)Relates to certain transaction costs, including debt financing, due diligence and other costs related to transactions that are completed, pending or abandoned, that we believe are not representative of our ongoing business operations.
(g)Includes the impact of restructuring, integration and business optimization expenses which are incremental costs that are not representative of our ongoing business operations.
(h)Represents adjustments for defined benefit pension plan (benefit) costs in our statements of income. More than two-thirds of our defined benefit pension plan obligations are under defined benefit pension plans that are frozen, and the remaining obligations
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primarily relate to plans operated in certain of our non-U.S. locations that, pursuant to jurisdictional requirements, cannot be frozen. As such, we do not view such expenses as core to our ongoing business operations.
(i)Other costs consist of certain expenses that are not core to our ongoing business operations, including environmental remediation-related costs associated with the legacy operations of our business prior to the Business Combination, capital and franchise taxes, non-cash asset retirement obligation accretion and the initial implementation of procedures to comply with Section 404 of the Sarbanes-Oxley Act. Included in this line-item are rounding discrepancies that may arise from rounding from dollars (in thousands) to dollars (in millions).
Adjusted Net Income
Summarized adjusted net income information is shown below in the following table:
Three months ended September 30,
20202019
Pre-taxTax expense (benefit)After-taxPre-taxTax expense (benefit)After-tax
(in millions)
Reconciliation of net income attributable to PQ Group Holdings Inc. to Adjusted Net Income(1)(2)
Net income before non-controlling interest$19.6 $11.8 $7.8 $43.5 $16.7 $26.8 
Less: Net income attributable to non-controlling interest0.3 — 0.3 0.10.1
Net income attributable to PQ Group Holdings Inc.19.3 11.8 7.5 43.416.726.7
Amortization of investment in affiliate step-up(b)
1.7 0.8 0.9 1.7 0.6 1.1 
Debt extinguishment costs14.0 6.1 7.9 1.8 0.6 1.2 
Net (gain) loss on asset disposals(c)
(4.5)(2.6)(1.9)1.1 0.3 0.8 
Foreign currency exchange (gain) loss(d)
(4.6)(1.1)(3.5)4.5 0.6 3.9 
LIFO (benefit) expense(e)
(0.8)(0.4)(0.4)0.5 0.1 0.4 
Transaction and other related costs(f)
3.3 1.5 1.8 0.7 0.3 0.4 
Equity-based compensation6.1 3.0 3.1 4.8 1.6 3.2 
Restructuring, integration and business optimization expenses(g)
4.6 2.1 2.5 0.7 0.2 0.5 
Defined benefit pension plan (benefit) cost(h)
0.4 0.2 0.2 0.8 0.3 0.5 
Other(i)
1.1 0.6 0.5 2.1 0.7 1.4 
Adjusted Net Income, including non-cash GILTI tax$40.6 $22.0 $18.6 $62.1 $22.0 $40.1 
Impact of non-cash GILTI tax(3)
— (7.3)7.3 — (8.2)8.2 
Impact of tax reform(4)
— (1.6)1.6 — — — 
Adjusted Net Income$40.6 $13.1 $27.5 $62.1 $13.8 $48.3 

(1)We define adjusted net income as net income attributable to PQ Group Holdings adjusted for non-operating income or expense and the impact of certain non-cash or other items that are included in net income that we do not consider indicative of our ongoing operating performance. Adjusted net income is presented as a key performance indicator as we believe it will enhance a prospective investor’s understanding of our results of operations and financial condition. Adjusted net income may not be comparable with net income or adjusted net income as defined by other companies.
(2)Refer to the Adjusted EBITDA notes above for more information with respect to each adjustment.
(3)Amount represents the impact to tax expense in net income before non-controlling interest and the related adjustments to net income associated with the GILTI provisions of the Tax Cuts and Jobs Act of 2017 (“TCJA”). Beginning January 1, 2018, GILTI results in taxation of “excess of foreign earnings,” which is defined as amounts greater than a 10% rate of return on applicable foreign tangible asset basis. The Company is required to record incremental tax provision impact with respect to GILTI as a result of having historical U.S. net operating loss (“NOL”) amounts to offset the GILTI taxable income inclusion. This NOL utilization precludes us from recognizing foreign tax credits (“FTCs”) which would otherwise help offset the tax impacts of GILTI. No FTCs will be recognized with respect to GILTI until our cumulative NOL balance has been exhausted.
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Because the GILTI provision does not impact our cash taxes (given available U.S. NOLs), and given that we expect to recognize FTCs to offset GILTI impacts once the NOLs are exhausted, we do not view this item as a component of core operations.
(4)Represents the transaction tax adjustment for the impact of the rate change in the United Kingdom related to the UK Finance Act recorded in net income.
The adjustments to net income attributable to PQ Group Holdings Inc. are shown net of applicable tax rates as determined by the calculation of our quarterly tax provision under interim financial reporting for the three months ended September 30, 2020 and September 30, 2019, except for the foreign currency exchange loss, the effects of our sales of non-core product lines and the sale of assets for which the taxes are calculated as discrete items using the applicable statutory income tax rates.
Results of Operations
Nine Months Ended September 30, 2020 Compared to the Nine Months Ended September 30, 2019
Highlights
The following is a summary of our financial performance for the nine months ended September 30, 2020 compared with the nine months ended September 30, 2019.
Sales
Sales decreased $113.3 million to $1,101.4 million. The decrease in sales was primarily due to lower sales volumes and the unfavorable effects of foreign currency translation of $18.1 million.
Gross Profit
Gross profit decreased $31.4 million to $277.9 million. The decrease in gross profit was primarily due to the decrease in sales volumes, which were partially offset by lower manufacturing costs.
Operating Income
Operating income decreased by $45.6 million to $111.6 million. The decrease in operating income was due to lower gross profit during the current year period.
Equity in Net Income of Affiliated Companies
Equity in net income of affiliated companies for the ninethree months ended September 30, 2020March 31, 2021 was $20.0$5.2 million, compared with $31.6to $8.3 million for the ninethree months ended September 30, 2019. The decrease of $11.6 million was due to a decrease in earnings generated by the Zeolyst Joint Venture for the nine months ended September 30,March 31, 2020.
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The following is our unaudited condensed consolidated statements of income and a summary of financial results for the nine months ended September 30, 2020 and 2019:
Nine months ended
September 30,
Change
20202019$%
(in millions, except percentages)
Sales$1,101.4 $1,214.7 $(113.3)(9.3)%
Cost of goods sold823.5 905.4 (81.9)(9.0)%
Gross profit277.9 309.3 (31.4)(10.2)%
Gross profit margin25.2 %25.5 %
Selling, general and administrative expenses119.3 123.6 (4.3)(3.5)%
Other operating expense, net47.0 28.4 18.6 65.5 %
Operating income111.6 157.2 (45.6)(29.0)%
Operating income margin10.1 %13.0 %
Equity in net (income) from affiliated companies(20.0)(31.6)11.6 (36.7)%
Interest expense, net65.4 84.9 (19.5)(23.0)%
Debt extinguishment costs16.5 1.8 14.7 816.7 %
Other (income) expense, net(4.3)1.8 (6.1)(338.9)%
Income before income taxes and noncontrolling interest54.0 100.4 (46.4)(46.2)%
Provision for income taxes29.4 39.5 (10.1)(25.6)%
Effective tax rate54.5 %39.3 %
Net income24.6 60.9 (36.3)(59.6)%
Less: Net income attributable to the noncontrolling interest0.9 0.5 0.4 80.0 %
Net income attributable to PQ Group Holdings Inc.$23.7 $60.4 $(36.7)(60.8)%
Sales
Nine months ended
September 30,
Change
20202019$%
(in millions, except percentages)
Sales:
Refining Services$298.7 $341.5 $(42.8)(12.5)%
Catalysts73.1 62.3 10.8 17.3 %
Performance Materials274.3 295.1 (20.8)(7.0)%
Performance Chemicals465.4 526.2 (60.8)(11.6)%
Eliminations(10.1)(10.4)0.3 
Total sales$1,101.4 $1,214.7 $(113.3)(9.3)%

Refining Services: Sales in Refining Services for the nine months ended September 30, 2020 were $298.7 million, a decrease of $42.8 million, or 12.5%, compared to sales of $341.5 million for the nine months ended September 30, 2019. The decrease in sales was due to lower sales volumes of $24.1 million and lower average selling prices of $18.7 million.
The decline in sales was a result of lower gasoline production due to the COVID-19 pandemic and the pass-through of lower sulfur pricing of $18.4 million in our virgin sulfuric acid product group.
Catalysts: Sales in Catalysts for the nine months ended September 30, 2020 were $73.1 million, an increase of $10.8 million, or 17.3%, compared to sales of $62.3 million for the nine months ended September 30, 2019. The increase in sales was primarily due to an increase in sales volumes of $12.1 million from higher demand for polyolefin catalysts and timing of customer orders in our chemical catalysts product lines.

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Performance Materials: Sales in Performance Materials for the nine months ended September 30, 2020 were $274.3 million, a decrease of $20.8 million, or 7.0%, compared with sales of $295.1 million for the nine months ended September 30, 2019. The decrease in sales was primarily due to lower sales volumes of $24.1 million and the unfavorable effects of foreign currency translation of $2.5 million, which were partially offset by higher average selling prices and favorable customer mix of $5.8 million.
The decrease in sales volumes was a result of lower European demand for our highway safety products, lower industrial application demand for our engineered glass products and an absence of thermoplastic sales as a result of the first quarter asset swap. The decline in sales volumes was offset by higher average selling prices for highway safety products sold in North America. The unfavorable effects of foreign currency translation were driven by the stronger U.S. dollar.
Performance Chemicals: Sales in Performance Chemicals for the nine months ended September 30, 2020 were $465.4 million, a decrease of $60.8 million, or 11.6%, compared to sales of $526.2 million for the nine months ended September 30, 2019. The decrease in sales was primarily due to lower sales volumes of $54.3 million and the unfavorable effects of foreign currency translation of $15.0 million, which were partially offset by higher average selling price and favorable mix of $8.5 million.
The decrease in sales was a result of lower volumes of sodium silicate sold across multiple applications in addition to reduced demand within the consumer cleaning end market as a result of COVID-19 related customer slowdowns in production, which more than offset favorable increases in product mix. The unfavorable effects of foreign currency translation were driven by the stronger U.S. dollar.
Gross Profit
Gross profit for the nine months ended September 30, 2020 was $277.9 million, a decrease of $31.4 million, or 10.2%, compared with $309.3 million for the nine months ended September 30, 2019. The decrease in gross profit was due to lower sales volumes of $38.0 million, unfavorable product mix of $13.4 million, unfavorable customer pricing of $4.9 million and the unfavorable effects of foreign currency translation of $4.3 million, which was partially offset by lower manufacturing costs of $31.3 million.
Sales volumes declined as a result of lower volumes of product sold for industrial and process chemicals and consumer products end uses and lower gasoline production due to the COVID-19 pandemic. The unfavorable product mix was a result of increased sales of lower-margin products sold in our North American highway product group. The unfavorable effects of foreign currency were driven by the stronger U.S. dollar. The change in manufacturing costs was a result of the timing of plant maintenance projects and lower production costs.
Selling, General and Administrative Expenses
Selling, general and administrative expenses for the nine months ended September 30, 2020 was $119.3 million, a decrease of $4.3 million as compared to $123.6 million for the nine months ended September 30, 2019. The decrease in selling, general and administrative expenses was due to reductions in discretionary spending partially offset by an increase in stock compensation expense.
Other Operating Expense, Net
Other operating expense, net for the nine months ended September 30, 2020 was $47.0 million, an increase of $18.6 million, compared with $28.4 million for the nine months ended September 30, 2019. During the nine months ended September 30, 2020, other operating expense, net was driven by transaction and business optimization costs associated with the sale of various non-core assets and the resulting write-off of those non-core assets. During the nine months ended September 30, 2019, asset disposals were offset by a net gain on disposition of assets related to a non-core product line.
Equity in Net Income of Affiliated Companies
Equity in net income of affiliated companies for the nine months ended September 30, 2020 was $20.0 million, compared to $31.6 million for the nine months ended September 30, 2019. The decrease was primarily due to $11.7$3.1 million of lower earnings from the Zeolyst Joint Venture duringduring the ninethree months ended September 30, 2020.March 31, 2021. The decline in earnings was a result of COVID-19deferred change-outs related slowdowns impactingto reduced output from oil refineries and the automotive industry,heavy duty vehicle production, which led to a decrease in demand for our emission control and hydrocracking catalysts.
Interest Expense, Net
Interest expense, net for the ninethree months ended September 30, 2020March 31, 2021 was $65.4$10.5 million, a decrease of $19.5$4.8 million, as compared with $84.9$15.3 million for the nine monthsthree months ended September 30, 2019.March 31, 2020. The decrease in interest expense was primarily due to lower interest rates on our variable debt along with lower average debt balances and a favorable increase in variable versus fixedoffset by higher interest due on our interest rate debt.caps.

Debt
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Debt Extinguishment Costs
Debt extinguishment costs for the ninethree months ended September 30,March 31, 2020 and 2019 were $16.5 million and $1.8 million, respectively. On July 22, 2020, we entered into an agreement for a new senior secured term loan facility in an aggregate principal amount of $650.0 million, which was used to repay the remaining outstanding balance of $625.0 million on the 6.75% Senior Secured Notes due 2022. In conjunction with the issuance of the senior secured term loan facility, we paid $10.6 million in prepayment premiums and recorded $0.1 millionwas of new creditor and third-party financing fees as debt extinguishment costs. In addition, previous unamortized deferred financing costs of$2.5 million. $2.1 million and original issue discount of $1.2 million associated with the 6.75% Senior Secured Notes due 2022 were written off as debt extinguishment costs.
On February 7, 2020, we amended our existing senior secured term loan facility to reduce the applicable interest rates and extend the maturity of the facility to February 2027. We recorded $2.2 million of new creditor and third-party financing fees as debt extinguishment costs for the nine months ended September 30, 2020.costs. In addition, previously unamortized deferred financing costs of $0.1 million and original issue discount of $0.2 million associated with the existing senior secured term loan facility were written off as debt extinguishment costs for the ninethree months ended September 30, 2020.
During the nine months ended September 30, 2019, the Company prepaid $100.0 million of outstanding principal balance on the Term Loan Facility. The Company wrote off $0.5 million of previously unamortized deferred financing costs and original issue discount of $1.2 million as debt extinguishment costs.March 31, 2020.
Other Expense, Net
Other expense, net for the ninethree months ended September 30, 2020March 31, 2021 was incomeexpense of $4.3$5.1 million, an increasea decrease of $6.1$2.4 million, as compared with expense of $1.8$7.5 million for the ninethree months ended September 30, 2019.March 31, 2020. The change in other expense, net primarily consisted of an increasea decrease in foreign currency gainslosses for the ninethree months ended September 30, 2020March 31, 2021 as compared to foreign currency losses for the ninethree months ended September 30, 2019 and gains related to our defined benefit plan assets.March 31, 2020. Foreign currency gains and losses are primarily driven by the fluctuations in our non-permanent intercompany debt denominated in local currency and translated to U.S. dollars.
ProvisionBenefit for Income Taxes
The provisionbenefit for income taxes for the ninethree months ended September 30, 2020March 31, 2021 was $29.4$5.2 million compared to a $39.5$1.7 million provisionbenefit for the ninethree months ended September 30, 2019.March 31, 2020. The effective income tax rate for the ninethree months ended September 30, 2020March 31, 2021 was 54.5%65.4% compared to 39.3%33.2% for the ninethree months ended September 30, 2019.March 31, 2020.
The Company’s effective income tax rate fluctuates primarily due to income mix, (including the effect of loss companies), the impacts of GILTI, discrete impacts of the divestiture of the Performance Chemicals business and changes in foreign exchange gains and losses, which create permanent differences in certain jurisdictions.
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The difference between the U.S. federal statutory income tax rate and the Company’s effective income tax rate for the ninethree months ended September 30, 2020March 31, 2021 was mainly due to the impacts of GILTI, the discrete tax impacts related to the asset swap agreement, the discrete impactintraperiod allocation revaluation of deferred tax assets and liabilities as a result of the product linePerformance Chemicals divestiture, and asset sales, the tax effect of permanent differences related to foreign currency exchange gain or loss, foreign tax rate changes, pre-tax losses with no associated tax benefit and state taxes.loss.
Net (Loss) Income Attributable to PQ Group Holdings
For the foregoing reasons and after the effect of the non-controlling interest in earnings of subsidiaries for each period presented, net incomeloss attributable to PQ Group Holdings was $23.7$92.6 million for the ninethree months ended September 30, 2020March 31, 2021 compared with net income of $60.4$0.2 million for the ninethree months ended September 30, 2019.
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March 31, 2020.
Adjusted EBITDA
Summarized Segment Adjusted EBITDA information is shown below in the following table:
Nine months ended
September 30,
ChangeThree months ended
March 31,
Change
20202019$%20212020$%
(in millions, except percentages)(in millions, except percentages)
Segment Adjusted EBITDA:(1)
Segment Adjusted EBITDA:(1)
Segment Adjusted EBITDA:(1)
Refining ServicesRefining Services$116.5 $133.7 $(17.2)(12.9)%Refining Services$33.0 $37.2 $(4.2)(11.3)%
Catalysts(2)
Catalysts(2)
59.7 79.4 (19.7)(24.8)%
Catalysts(2)
18.5 22.7 (4.2)(18.5)%
Performance Materials66.1 65.5 0.6 0.9 %
Performance Chemicals108.4 120.6 (12.2)(10.1)%
Total Segment Adjusted EBITDA(3)
Total Segment Adjusted EBITDA(3)
350.7 399.2 (48.5)(12.1)%
Total Segment Adjusted EBITDA(3)
51.5 59.9 (8.4)(14.0)%
Unallocated corporate expensesUnallocated corporate expenses(26.0)(28.0)2.0 7.1 %Unallocated corporate expenses(9.2)(11.3)2.1 18.6 %
Total Adjusted EBITDATotal Adjusted EBITDA$324.7 $371.2 $(46.5)(12.5)%Total Adjusted EBITDA$42.3 $48.6 $(6.3)(13.0)%

(1)We define Segment Adjusted EBITDA as EBITDA adjusted for certain items as noted in the reconciliation below. Our management evaluates the performance of our segments and allocates resources based primarily on Segment Adjusted EBITDA. Segment Adjusted EBITDA does not represent cash flow for periods presented and should not be considered as an alternative to net income as an indicator of our operating performance or as an alternative to cash flows as a source of liquidity. Segment Adjusted EBITDA may not be comparable with EBITDA or Adjusted EBITDA as defined by other companies.
(2)The Adjusted EBITDA from the Zeolyst Joint Venture included in the Catalysts segment is $35.9$10.5 million for the ninethree months ended September 30, 2020,March 31, 2021, which includes $19.9$5.2 million of equity in net income, excluding $5.0$1.7 million of amortization of investment in affiliate step-up plus $11.1$3.6 million of joint venture depreciation, amortization and interest. The Adjusted EBITDA from the Zeolyst Joint Venture included in the Catalysts segment is $48.6$13.7 million for the ninethree months ended September 30, 2019,March 31, 2020, which includes $31.5$8.3 million of equity in net income, excluding $5.9$1.7 million of amortization of investment in affiliate step-up plus $11.2$3.8 million of joint venture depreciation, amortization and interest.
(3)Our total Segment Adjusted EBITDA differs from our total consolidated Adjusted EBITDA due to unallocated corporate expenses. Rounding discrepancies may arise when rounding segment results from dollars (in thousands) to dollars (in millions).
Refining Services: Adjusted EBITDA for the ninethree months ended September 30, 2020March 31, 2021 was $116.5$33.0 million, a decrease of $17.2$4.2 million, or 12.9%11.3%, compared with $133.7$37.2 million for the nine monthsthree months ended September 30, 2019.March 31, 2020. The decrease in Adjusted EBITDA wasfrom lower volumes and higher repair costs to both our facilities and our customers facilities, estimated at $9.0 million, is related to reduced sales driven by lower gasoline consumption partially offset byunfavorable weather conditions in the timingGulf of plant maintenance projects.Mexico.
Catalysts: Adjusted EBITDA for the nine three months ended September 30, 2020March 31, 2021 was $59.7$18.5 million, a decrease of $19.7$4.2 million, or 24.8%18.5%, compared with $79.4$22.7 million for the ninethree months ended September 30, 2019.March 31, 2020. The decrease in Adjusted EBITDA was a result of lower customer demand for ourfuels and emission control catalysts and unfavorable fixed cost absorption.
Performance Materials: Adjusted EBITDA for the nine months ended September 30, 2020 was $66.1 million, an increase of $0.6 million, or 0.9%, compared with $65.5 million for the nine months ended September 30, 2019. The increase in Adjusted EBITDA was a result of favorable pricing for our North American highway safety products and operating and cost optimization, partially offset by lower industrial application demand for engineered glass materials.
Performance Chemicals: Adjusted EBITDA for the nine months ended September 30, 2020 was $108.4 million, a decrease of $12.2 million, or 10.1%, compared with $120.6 million for the nine months ended September 30, 2019. The decrease in Adjusted EBITDA was due to a decline in customer orders due to the COVID-19 pandemic.
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A reconciliation of net income attributable to PQ Group Holdingsloss from continuing operations to Segment Adjusted EBITDA is as follows:
Nine months ended
September 30,
Three months ended
March 31,
2020201920212020
(in millions)(in millions)
Reconciliation of net income attributable to PQ Group Holdings Inc. to Segment Adjusted EBITDA
Net income attributable to PQ Group Holdings Inc.$23.7 $60.4 
Provision for income taxes29.4 39.5 
Reconciliation of net loss from continuing operations to Segment Adjusted EBITDAReconciliation of net loss from continuing operations to Segment Adjusted EBITDA
Net loss from continuing operationsNet loss from continuing operations$(2.7)$(3.4)
Benefit for income taxesBenefit for income taxes(5.2)(1.7)
Interest expense, netInterest expense, net65.4 84.9 Interest expense, net10.5 15.3 
Depreciation and amortizationDepreciation and amortization136.3 135.2 Depreciation and amortization19.5 18.7 
EBITDAEBITDA254.8 320.1 EBITDA22.1 29.0 
Joint venture depreciation, amortization and interest(a)
Joint venture depreciation, amortization and interest(a)
11.1 11.2 
Joint venture depreciation, amortization and interest(a)
3.6 3.7 
Amortization of investment in affiliate step-up(b)
Amortization of investment in affiliate step-up(b)
5.0 5.9 
Amortization of investment in affiliate step-up(b)
1.7 1.7 
Debt extinguishment costsDebt extinguishment costs16.5 1.8 Debt extinguishment costs— 2.5 
Net (gain) loss on asset disposals(c)
3.9 (7.7)
Foreign currency exchange (gain) loss(d)
(2.1)5.4 
LIFO (benefit) expense(e)
(2.5)10.8 
Net loss on asset disposals(c)
Net loss on asset disposals(c)
0.8 0.2 
Foreign currency exchange loss(d)
Foreign currency exchange loss(d)
5.1 7.1 
LIFO benefit(e)
LIFO benefit(e)
(0.3)(1.7)
Transaction and other related costs(f)
Transaction and other related costs(f)
6.1 1.7 
Transaction and other related costs(f)
0.5 0.8 
Equity-based compensationEquity-based compensation18.4 13.6 Equity-based compensation6.3 4.3 
Restructuring, integration and business optimization expenses(g)
Restructuring, integration and business optimization expenses(g)
10.2 1.4 
Restructuring, integration and business optimization expenses(g)
2.3 0.3 
Defined benefit pension plan (benefit) cost(h)
(0.1)2.4 
Defined benefit pension plan benefit(h)
Defined benefit pension plan benefit(h)
(0.6)(0.1)
Other(i)
Other(i)
3.4 4.7 
Other(i)
0.8 0.8 
Adjusted EBITDAAdjusted EBITDA324.7 371.2 Adjusted EBITDA42.3 48.6 
Unallocated corporate expensesUnallocated corporate expenses26.0 28.0 Unallocated corporate expenses9.2 11.3 
Segment Adjusted EBITDASegment Adjusted EBITDA$350.7 $399.2 Segment Adjusted EBITDA$51.5 $59.9 

(a)We use Adjusted EBITDA as a performance measure to evaluate our financial results. Because our Catalysts segment includes our 50% interest in the Zeolyst Joint Venture, we include an adjustment for our 50% proportionate share of depreciation, amortization and interest expense of the Zeolyst Joint Venture.
(b)Represents the amortization of the fair value adjustments associated with the equity affiliate investment in the Zeolyst Joint Venture as a result of the Business Combination.combination of the businesses of PQ Holdings Inc. and Eco Services Operations LLC in May 2016. We determined the fair value of the equity affiliate investment and the fair value step-up was then attributed to the underlying assets of the Zeolyst Joint Venture. Amortization is primarily related to the fair value adjustments associated with fixed assets and intangible assets, including customer relationships and technical know-how.
(c)When asset disposals occur, we remove the impact of net gain/loss of the disposed asset because such impact primarily reflects the non-cash write-off of long-lived assets no longer in use.
(d)Reflects the exclusion of the foreign currency transaction gains and losses in the statements of income primarily related to the non-permanent intercompany debt denominated in local currency translated to U.S. dollars.
(e)Represents non-cash adjustments to the Company’s LIFO reserves for certain inventories in the U.S. that are valued using the LIFO method, which we believe provides a means of comparison to other companies that may not use the same basis of accounting for inventories.
(f)Relates to certain transaction costs, including debt financing, due diligence and other costs related to transactions that are completed, pending or abandoned, that we believe are not representative of our ongoing business operations.
(g)Includes the impact of restructuring, integration and business optimization expenses which are incremental costs that are not representative of our ongoing business operations.
(h)Represents adjustments for defined benefit pension plan (benefit) costs in our statements of income. More than two-thirdsAll of our defined benefit pension plan obligations are under defined benefit pension plans that are frozen, and the remaining obligations
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primarily relate to plans operated in certain of our non-U.S. locations that, pursuant to jurisdictional requirements, cannot be frozen. As such, we do not view such income or expenses as core to our ongoing business operations.
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(i)Other costs consist of certain expenses that are not core to our ongoing business operations, including environmental remediation-related costs associated with the legacy operations of our business prior to a business combination consummated in a prior year period and capital and franchise taxes, non-cash asset retirement obligation accretion and the initial implementation of procedures to comply with Section 404 of the Sarbanes-Oxley Act.taxes. Included in this line-item are rounding discrepancies that may arise from rounding from dollars (in thousands) to dollars (in millions).
Adjusted Net Income
Summarized adjusted net income information is shown below in the following table:
Nine months ended September 30,
20202019
Pre-taxTax expense (benefit)After-taxPre-taxTax expense (benefit)After-tax
(in millions)
Reconciliation of net income attributable to PQ Group Holdings Inc. to Adjusted Net Income(1)(2)
Net income before non-controlling interest$54.0 $29.4 $24.6 $100.4 $39.5 $60.9 
Less: Net income attributable to non-controlling interest0.9 — 0.9 0.50.5
Net income attributable to PQ Group Holdings Inc.53.1 29.4 23.7 99.939.560.4
Amortization of investment in affiliate step-up(b)
5.0 2.1 2.9 5.9 2.1 3.8 
Debt extinguishment costs16.5 7.0 9.5 1.8 0.6 1.2 
Net (gain) loss on asset disposals(c)
3.9 (0.2)4.1 (7.7)(1.6)(6.1)
Foreign currency exchange (gain) loss(d)
(2.1)(0.1)(2.0)5.4 (0.6)6.0 
LIFO (benefit) expense(e)
(2.5)(1.0)(1.5)10.8 3.8 7.0 
Transaction and other related costs(f)
6.1 2.6 3.5 1.7 0.6 1.1 
Equity-based compensation18.4 7.8 10.6 13.6 4.8 8.8 
Restructuring, integration and business optimization expenses(g)
10.2 4.3 5.9 1.4 0.5 0.9 
Defined benefit pension plan (benefit) cost(h)
(0.1)— (0.1)2.4 0.8 1.6 
Other(i)
3.4 1.5 1.9 4.7 1.5 3.2 
Adjusted Net Income, including non-cash GILTI tax$111.9 $53.4 $58.5 $139.9 $52.0 $87.9 
Impact of non-cash GILTI tax(3)
— (19.1)19.1 — (19.3)19.3 
Impact of tax reform(4)
— (1.6)1.6 — — — 
Adjusted Net Income$111.9 $32.7 $79.2 $139.9 $32.7 $107.2 
Three months ended March 31,
20212020
Pre-taxTax expense (benefit)After-taxPre-taxTax expense (benefit)After-tax
(in millions)
Reconciliation of net loss from continuing operations to Adjusted Net Income(1)(2)
Net loss from continuing operations$(7.9)$(5.2)$(2.7)$(5.1)$(1.7)$(3.4)
Less: Net income attributable to non-controlling interest - continuing operations— — — 
Net income attributable to PQ Group Holdings Inc.(7.9)(5.2)(2.7)(5.1)(1.7)(3.4)
Amortization of investment in affiliate step-up(b)
1.7 0.6 1.1 1.7 0.6 1.1 
Debt extinguishment costs— — — 2.5 0.8 1.7 
Net loss on asset disposals(c)
0.8 0.2 0.6 0.2 0.1 0.1 
Foreign currency exchange loss(d)
5.1 1.4 3.7 7.1 2.3 4.8 
LIFO benefit(e)
(0.3)(0.1)(0.2)(1.7)(0.6)(1.1)
Transaction and other related costs(f)
0.5 0.1 0.4 0.8 0.3 0.5 
Equity-based compensation6.3 1.8 4.5 4.3 1.4 2.9 
Restructuring, integration and business optimization expenses(g)
2.3 0.7 1.6 0.3 0.1 0.2 
Defined benefit pension plan benefit(h)
(0.6)(0.2)(0.4)(0.1)— (0.1)
Other(i)
0.8 0.4 0.4 0.8 0.2 0.6 
Adjusted Net Income, including Intraperiod allocation$8.7 $(0.3)$9.0 $10.8 $3.5 $7.3 
Intraperiod allocation for restating discontinued operations(3)
— 2.9 (2.9)— — — 
Adjusted Net Income$8.7 $2.6 $6.1 $10.8 $3.5 $7.3 

(1)We define adjusted net income as net income attributable to PQ Group Holdings adjusted for non-operating income or expense and the impact of certain non-cash or other items that are included in net income that we do not consider indicative of our ongoing operating performance. Adjusted net income is presented as a key performance indicator as we believe it will enhance a prospective investor’s understanding of our results of operations and financial condition. Adjusted net income may not be comparable with net income or adjusted net income as defined by other companies.
(2)Refer to the Adjusted EBITDA notes above for more information with respect to each adjustment.
(3)Amount representsDue to reporting the Performance Chemicals business as held for sale in discontinued operations, the estimated tax rate used to value deferred tax assets (“DTAs”) and deferred tax liabilities (“DTLs”) needs to be adjusted to remove the Performance Chemicals rate. Given it is a direct result of the sale of discontinued operations and the need to adjust the estimated tax rate arose because of discontinued operations, the impact of revaluing the reporting entity’s DTAs and DTLs are reflected in continuing operations. Due to tax expense in net income before non-controlling interest and the related adjustments to net income associated with the GILTI provisions of the TCJA. As of January 1, 2018, GILTI results in taxation of “excess of foreign earnings,” which is defined as amounts greater than a 10% rate of return on applicable foreign tangible asset basis. The Company is required to record incremental tax provision impact with respect to GILTIthis revaluation being solely as a result of having historical U.S. NOLs to offset the GILTI taxable income inclusion. This NOL utilization precludes us from recognizing FTCs which would otherwise help offset the tax impacts of GILTI. No FTCs will be recognized with respect to GILTI until our cumulative NOL balance has been exhausted. Because the GILTI provision does not impact our cash taxes (given available U.S. NOLs),Performance Chemicals divestiture and given that we expect
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to recognize FTCs to offset GILTI impacts once the NOLs are exhausted, we do not view thisa non-cash item, it is treated as a component of core operations.
(4)Represents the transaction tax adjustment for the impact of the rate change in the United Kingdom related to the UK Finance Act recorded in net income.an addback.
The adjustments to net income attributable to PQ Group Holdings Inc. are shown net of applicable tax rates of 42.6%28.8% and 34.9%32.5% for the ninethree months ended September 30,March 31, 2021 and 2020, and 2019, respectively, except for the foreign currency exchange loss and discrete impacts of the effectsdivestiture of our sales of non-core product lines and the sale of assets for which the taxes are calculated as discrete items using the applicable statutory income tax rates.Performance Chemicals business.
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 Financial Condition, Liquidity and Capital Resources
Our primary sources of liquidity consist of cash flow from operations, existing cash balances as well as funds available under our asset based lending revolving credit facility. We expect that ongoing requirements for debt service and capital expenditures will be funded from these sources of funds. Our primary liquidity requirements include funding working capital requirements (primarily inventory and accounts receivable, net of accounts payable and other accrued liabilities), debt service requirements and capital expenditures. Our capital expenditures include both maintenance of business, which include spending on maintenance and health, safety and environmental initiatives as well as growth, which includes spending to drive organic sales growth and cost savings initiatives.
We believe that our existing cash, cash equivalents and cash flows from operations, combined with availability under our asset based lending revolving credit facility, will be sufficient to meet our presently anticipated future cash needs for at least the next twelve months. We may also pursue strategic acquisition or divestiture opportunities, which may impact our future cash requirements. We may, from time to time, increase borrowings under our asset based lending revolving credit facility to meet our future cash needs. As of September 30, 2020,March 31, 2021, we had cash and cash equivalents of $164.3$55.2 million and availability of $181.1$105.6 million under our asset based lending revolving credit facility, after giving effect to $18.6$17.8 million of outstanding letters of credit, for a total available liquidity of $345.4$160.8 million. We did not have any revolving credit facility borrowings as of September 30, 2020.March 31, 2021. As of September 30, 2020,March 31, 2021, we were in compliance with all covenants under our debt agreements.
Included in our cash and cash equivalents balance as of September 30, 2020March 31, 2021 was $48.4$0.8 million of cash and cash equivalents held in foreign jurisdictions.jurisdictions on a continuing operations basis. We repatriate cash held outside of the United States from certain foreign subsidiaries in order to meet domestic liquidity needs. Depending on domestic and foreign cash balances, we have certain flexibility to repatriate funds in order to meet those needs. Specifically, we have an intercompany loan structure in place with several of our foreign subsidiaries that allows us to repatriate foreign cash in a tax efficient manner from those subsidiaries. In certain cases, the repatriation of foreign cash under previous U.S. tax law had generally been subject to U.S. income taxes at the time of cash distribution. Due to the enactment of the TCJA in December 2017, future overseas earnings repatriation will generally no longer be subject to U.S. federal income taxes at the time of cash distribution. However, future foreign earnings may still be taxed for state income tax purposes, as well as subject to certain foreign withholding tax obligations, when cash amounts are distributed back to the U.S.
Our liquidity requirements are significant, primarily due to debt service requirements. As reported, our cash interest paid for the ninethree months ended September 30,March 31, 2021 and 2020 and 2019 was approximately $75.3$17.8 million and $82.3$19.8 million, respectively. Before any impact of hedges, a one percent change in assumed interest rates for our variable interest credit facilities would have an annual impact of approximately $16.1$11.3 million on interest expense. We hedge the interest rate fluctuations on debt obligations through interest rate cap agreements. As of September 30, 2020,March 31, 2021, we had interest rate caps on $500.0 million of notional variable debt with a cap rate of 0.84% through July 2022. In July 2020, we entered into additional interest rate cap agreements to mitigate interest rate volatility from August 2020 to August 2023,2022 and $400.0 million of notional variable-rate debt with a cap rate of 1.00% on $400.0 million of notional variable-rate debt.through August 2023.
Cash Flow
Nine months ended
September 30,
20202019
(in millions)
Net cash provided by (used in):
Operating activities$150.6 $181.9 
Investing activities(42.1)(54.7)
Financing activities(10.3)(103.2)
Effect of exchange rate changes on cash, cash equivalents and restricted cash(5.9)(3.4)
Net change in cash, cash equivalents and restricted cash92.3 20.6 
Cash, cash equivalents and restricted cash at beginning of period73.9 59.7 
Cash, cash equivalents and restricted cash at end of period$166.2 $80.3 

Three months ended
March 31,
20212020
(in millions)
Continuing Operations
Net cash provided by (used in):
Operating activities$16.5 $11.1 
Investing activities(54.5)(7.6)
Financing activities(1.5)52.6 
Discontinued Operations
Net cash provided by (used in):
Operating activities0.9 (6.5)
Investing activities(22.0)(14.6)
Financing activities(0.5)5.7 
Effect of exchange rate changes on cash, cash equivalents and restricted cash(2.7)(4.3)
Net change in cash, cash equivalents and restricted cash(63.8)36.4 
Cash, cash equivalents and restricted cash at beginning of period137.2 73.9 
Cash, cash equivalents and restricted cash at end of period73.4 110.3 
Less: cash, cash equivalents and restricted cash of discontinued operations(16.6)(53.4)
Cash, cash equivalents and restricted cash at end of period of continuing operations$56.8 $56.9 
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Nine months ended
September 30,
20202019
(in millions)
Net income$24.6 $60.9 
Non-cash and non-working capital related activities(1)
174.6 149.7 
Changes in working capital(39.6)(21.5)
Other operating activities(9.0)(7.2)
Net cash provided by operating activities$150.6 $181.9 

Three months ended
March 31,
20212020
(in millions)
Continuing Operations
Net (loss) income$(2.7)$(3.4)
Non-cash and non-working capital related activities(1)
27.7 22.0 
Changes in working capital(4.3)(6.5)
Other operating activities(4.2)(1.0)
Net cash provided by operating activities, continuing operations$16.5 $11.1 

(1)Includes depreciation, amortization, amortization of deferred financing costs and original issue discount, debt extinguishment costs, foreign currency exchange gains and losses, deferred income tax provision (benefit), net (gains) losses on asset disposals, stock compensation expense net interest proceeds on swaps designated as net investment hedges (which is reflected below in net cash used in investing activities) and equity in net income and dividends received from affiliated companies.
Nine months ended
September 30,
Three months ended
March 31,
2020201920212020
(in millions)(in millions)
Continuing OperationsContinuing Operations
Working capital changes that provided (used) cash:Working capital changes that provided (used) cash:Working capital changes that provided (used) cash:
ReceivablesReceivables$(20.7)$(22.5)Receivables$(9.4)$(1.2)
InventoriesInventories8.6 (1.8)Inventories4.6 3.5 
Prepaids and other current assetsPrepaids and other current assets(0.4)0.3 Prepaids and other current assets(2.2)(0.3)
Accounts payableAccounts payable(10.1)(4.1)Accounts payable4.7 (3.1)
Accrued liabilitiesAccrued liabilities(17.0)6.6 Accrued liabilities(2.0)(5.4)
$(39.6)$(21.5)$(4.3)$(6.5)

Nine months ended
September 30,
20202019
(in millions)
Purchases of property, plant and equipment$(76.8)$(91.7)
Net interest proceeds on swaps designated as net investment hedges4.6 8.4 
Proceeds from sale of product line18.0 28.0 
Proceeds from sale of assets10.3 — 
Proceeds from sale of investment1.8 — 
Other, net— 0.6 
Net cash used in investing activities$(42.1)$(54.7)
Three months ended
March 31,
20212020
(in millions)
Continuing Operations
Purchases of property, plant and equipment$(12.6)$(10.0)
Business combinations, net of cash acquired(42.0)— 
Proceeds from sale of assets— 2.4 
Net cash used in investing activities, continuing operations$(54.6)$(7.6)

Nine months ended
September 30,
Three months ended
March 31,
2020201920212020
(in millions)(in millions)
Continuing OperationsContinuing Operations
Net revolving credit facilities borrowingsNet revolving credit facilities borrowings$0.7 $1.3 Net revolving credit facilities borrowings$— $59.0 
Net cash borrowings (repayments) on debt obligationsNet cash borrowings (repayments) on debt obligations12.8 (105.8)Net cash borrowings (repayments) on debt obligations— (3.0)
Other financing activitiesOther financing activities(23.8)1.3 Other financing activities(1.5)(3.5)
Net cash used in financing activities$(10.3)$(103.2)
Net cash (used in) provided by financing activities, continuing operationsNet cash (used in) provided by financing activities, continuing operations$(1.5)$52.5 


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The following discussions related to our cash flows are presented on a continuing operations basis, which excludes the cash flows from our Performance Materials and Performance Chemicals businesses accounted for as discontinued operations. The discussion related to our adjusted free cash flow metric is presented on a consolidated basis.
Net cash provided by operating activities was $150.6$16.5 million for the ninethree months ended September 30, 2020,March 31, 2021, compared to $181.9$11.1 million provided for the ninethree months ended September 30, 2019.March 31, 2020. Cash generated by operating activities, other than changes in working capital, was lowerhigher during the ninethree months ended September 30, 2020March 31, 2021 by $13.3$3.4 million compared to the same period in the prior year. The change in working capital during the ninethree months ended September 30, 2020March 31, 2021 was unfavorablefavorable compared to the ninethree months ended September 30, 2019.March 31, 2020. Cash used to fund working capital was $39.6$4.3 million and $21.5$6.5 million for the ninethree months ended September 30,March 31, 2021 and 2020, and 2019, respectively.
The decreaseincrease in cash generated by operating activities, other than changes in working capital, was lowerhigher by $13.3$3.4 million as compared to the prior year period primarily due to a decline in sales as a result of the COVID-19 pandemic and a decreasean increase in dividends received from affiliated companies.companies offset by a decline in operating profit.
The decreaseincrease in cash from working capital of $18.1$2.2 million as compared to the priorprior year was primarily due to unfavorablefavorable changes in inventories, accounts payable and accrued liabilities and accounts payable which were partially offset by favorableunfavorable changes in inventoryaccounts receivable and accounts receivable.prepaid and other current assets.
The unfavorableincrease in cash provided by inventory changes was due to the timing of sales orders for our polyethylene catalysts in the current year period and inventory build in the prior year period. The favorable change in accounts payable is due to the timing of capital spending and the favorable change in accrued liabilities relates to the timing of accrued interest payments and changes in various expense accruals. The unfavorable change in accounts payable was a result of lower current production and the timing of plant maintenance expenditures. The favorable change in inventory was driven by lower production. The favorable change in accounts receivable was driven by the decline in sales volumes.timing of collections on receivable balances.
Net cash used in investing activities was $42.1$54.6 million for the ninethree months ended September 30, 2020,March 31, 2021, compared to cash used of $54.7$7.6 million during the same period in 2019.2020. Cash used in investing activities primarily consisted of utilizing $76.8$12.6 million and $91.7$10.0 million to fund capital expenditures during the ninethree months ended September 30,March 31, 2021 and 2020, and 2019, respectively. We received $4.6 million and $8.4 million in interest proceeds related to our cross-currency swaps duringDuring the nine monthsquarter ended September 30, 2020 and 2019, respectively.March 31, 2021, we acquired Chem32, LLC for $42.0 million. We received proceeds of $18.0 million related to the sale of a non-core product line and $12.1$2.4 million related to the sale of non-core assets and investments during the ninethree months ended September 30, 2020 and $28.0 million of proceeds related to the sale of a non-core product line during the nine months ended September 30, 2019.March 31, 2020.
Net cash used in financing activities was $10.3$1.5 million for the ninethree months ended September 30, 2020,March 31, 2021, compared to net cash usedprovided of $103.2$52.5 million during the same period in 2019. Net cash used in financing activities was primarily driven by $12.8 million of net debt borrowings, which was offset by other financing activities related to $10.6 million of debt prepayment charges, $9.0 million in debt issuance costs and $4.1 million of stock buybacks during the nine months ended September 30, 2020. Net cash used in financing activities was primarily driven by $105.8$1.5 million of long-term debt repayments partially offsetstock repurchases during the three months ended March 31, 2021. Net cash provided by $1.3financing activities was primarily driven by $59.0 million of net borrowings under our revolving credit facilities made through the ninethree months ended September 30, 2019.March 31, 2020.
Adjusted Free Cash Flow
Adjusted free cash flow is a non-GAAP metric management reviews to gauge liquidity performance. Adjusted free cash flow is calculated as cash flow from operating activities less purchases of property, plant and equipment, adjusted for proceeds from the sale of assets, net interest proceeds on swaps designated as net investment hedges and the cash paid for costs related to segment disposals. For the three months ended March 31, 2021, adjusted free cash flow of $2.7 million was favorable to the prior year as cash flow from operating activities increased on a favorable change in working capital. Purchases of property, plant and equipment decreased as lower spending in discontinued operations was partially offset by higher maintenance of business capital in Refining Services.
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Three months ended
March 31,
20212020
(in millions)
Net cash provided by operating activities, continuing operations$16.5 $11.1 
Net cash provided by operating activities, discontinued operations0.9 (6.5)
Net cash provided by operating activities17.4 4.6 
Less:
Purchases of property, plant and equipment, continuing operations(12.6)(10.0)
Purchases of property, plant and equipment, discontinued operations(11.7)(18.1)
Purchases of property, plant and equipment(1)
(24.3)(28.1)
Free cash flow(6.9)(23.5)
Adjustments to free cash flow:
Proceeds from sale of assets0.3 2.4 
Net interest proceeds on currency swaps2.3 1.8 
Cash paid for costs related to segment disposals7.0 — 
Adjusted free cash flow(2)
$2.7 $(19.3)
Net cash used in investing activities(3)
$(54.6)$(7.6)
Net cash used in financing activities$(1.5)$52.5 
(1)Excludes the company’s proportionate 50% share of capital expenditures from the Zeolyst joint venture.
(2)We define adjusted free cash flow as net cash provided by operating activities less purchases of property, plant and equipment, adjusted for proceeds from sale of assets and net interest proceeds on swaps designated as net investment hedges and the cash paid for costs related to segment disposals. Adjusted free cash flow is a non-GAAP financial measure that we believe will enhance a prospective investor’s understanding of our ability to generate additional cash from operations, including the reduction in cash paid for interest related to our cross-currency interest rate swaps, and is an important financial measure for use in evaluating our financial performance. Our presentation of adjusted free cash flow is not intended to replace, and should not be considered superior to, the presentation of our net cash provided by operating activities determined in accordance with GAAP. Additionally, our definition of adjusted free cash flow is limited, in that it does not represent residual cash flows available for discretionary expenditures, due to the fact that the measure does not deduct the payments required for debt service and other contractual obligations or payments made for business acquisitions. Therefore, we believe it is important to view adjusted free cash flow as a measure that provides supplemental information to our consolidated statements of cash flows. You should not consider adjusted free cash flow in isolation or as an alternative to the presentation of our financial results in accordance with GAAP. The presentation of adjusted free cash flow may differ from similar measures reported by other companies and may not be comparable to other similarly titled measures.
(3)Net cash used in investing activities includes purchases of property, plant and equipment, proceeds from sale of assets and net interest proceeds on swaps designated as net investment hedges, which are also included in our computation of adjusted free cash flow.
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Debt
September 30,
2020
December 31,
2019
March 31,
2021
December 31,
2020
(in millions)(in millions)
Senior Secured Term Loan Facility due February 2027Senior Secured Term Loan Facility due February 2027$947.5 $947.5 Senior Secured Term Loan Facility due February 2027$671.7 $671.7 
New Senior Secured Term Loan Facility due February 2027New Senior Secured Term Loan Facility due February 2027648.4 — New Senior Secured Term Loan Facility due February 2027459.7 459.7 
6.75% Senior Secured Notes due 2022— 625.0 
5.75% Senior Unsecured Notes due 20255.75% Senior Unsecured Notes due 2025295.0 295.0 5.75% Senior Unsecured Notes due 2025295.0 295.0 
ABL FacilityABL Facility— — ABL Facility— — 
Other65.1 64.6 
Total debtTotal debt1,956.01,932.1Total debt1,426.4 1,426.4 
Original issue discountOriginal issue discount(22.2)(13.4)Original issue discount(15.1)(15.6)
Deferred financing costsDeferred financing costs(14.3)(11.7)Deferred financing costs(9.7)(10.4)
Total debt, net of original issue discount and deferred financing costsTotal debt, net of original issue discount and deferred financing costs1,919.51,907.0Total debt, net of original issue discount and deferred financing costs1,401.6 1,400.4 
Less: current portionLess: current portion(14.5)(7.8)Less: current portion— — 
Total long-term debt, excluding current portionTotal long-term debt, excluding current portion$1,905.0 $1,899.2 Total long-term debt, excluding current portion$1,401.6 $1,400.4 
As of September 30, 2020,March 31, 2021, our total debt was $1,956.0$1,426.4 million, including $13.3 million of other foreign debt and $51.8 million of notes payable for the New Market Tax Credit financing and excluding the original issue discount of $22.2$15.1 million and deferred financing fees of $14.3$9.7 million for our senior secured credit facilities and notes. Our net debt as of September 30, 2020March 31, 2021 was $1,791.7$1,371.2 million, including cash and cash equivalents of $164.3$55.2 million. We may seek, subject to market conditions and other factors, opportunities to repurchase, refinance or otherwise reprice our debt.
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Capital Expenditures
Maintenance capital expenditures include spending on maintenance of business, health, safety and environmental initiatives. Growth capital expenditures include spending to drive organic sales growth and cost savings initiatives. These capital expenditures represent our “book” capital expenditures for which the company has recorded, but not necessarily paid for the capital expenditures.
Nine months ended
September 30,
Three months ended
March 31,
20202019 20212020
(in millions) (in millions)
Maintenance capital expendituresMaintenance capital expenditures$46.6 $59.5 Maintenance capital expenditures$9.2 $7.2 
Growth capital expendituresGrowth capital expenditures13.7 20.5 Growth capital expenditures2.6 2.3 
Total capital expendituresTotal capital expenditures$60.3 $80.0 Total capital expenditures$11.8 $9.5 
Capital expenditures remained at a level sufficient for required maintenance and certain expansion growth initiatives during these periods. Maintenance capital expenditures were lowerhigher in the ninethree months ended September 30, 2020March 31, 2021 as compared to the ninethree months ended September 30, 2019March 31, 2020 due to fewer plant maintenance projects incurred during the period.higher spending on health and safety. Growth capital expenditures were lowerin-line in the ninethree months ended September 30, 2020March 31, 2021 as compared to the ninethree months ended September 30, 2019 due to deferral of project costs.March 31, 2020.
Pension Funding
We paid $8.7$0.0 million and $8.9$0.9 million in cash contributions into our defined benefit pension plans and other post-retirement plans during the ninethree months ended September 30,March 31, 2021 and 2020, and 2019, respectively. The net periodic pension expense was $0.6 million and $2.7$0.1 million for those same periods, respectively.
Off–Balance Sheet Arrangements
We had $18.6$17.8 million of outstanding letters of credit on our ABL Facility as of September 30, 2020.March 31, 2021.
Contractual Obligations
Information related to our contractual obligations at December 31, 20192020 can be found in Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations”Operations” included in our Annual Report on Form 10-K for the year ended December 31, 2019,2020, filed with the SEC on February 27, 2020,March 17, 2021, which we refer to as our Annual Report on Form 10-K. During the ninethree months ended September 30, 2020,March 31, 2021, there have been no significant changeschanges to our contractual obligations as disclosed in our Annual Report on Form 10-K, other than the following items.
During the quarter ended March 31, 2020, we amended our Term Loan Facility to reduce the applicable interest rate to LIBOR (with a 0% floor) plus 2.25% per annum and extend the maturity of the facility to February 2027. We anticipate that the reduction in interest rates will result in a $2.4 million reduction in interest payments per year at current interest rates. During the quarter ended March 31, 2020, we amended our ABL Facility to increase the aggregate amount of the revolving loan commitments to $250.0 million, reduce the interest rate and extend the maturity to March 2025.
In July 2020, we redeemed our existing 6.75% Senior Secured Notes due 2022 with the proceeds from a new senior secured term loan facility in an aggregate principal amount of $650.0 million with an original issue discount of 1.5% and interest at a floating rate of LIBOR (with a 1.0% minimum LIBOR floor) plus 3.0% per annum.
Our New Markets Tax Credit (“NMTC”) financing arrangements include put/call provisions that can be exercised seven years after funding of the respective loans, whereby we may be obligated or entitled to repurchase the given NMTC investor’s interest in the respective investment fund for a de minimis amount. In October 2020, an affiliate of JPMorgan Chase Bank N.A. (“Chase”) exercised its put option under the October 24, 2013 NMTC financing arrangement among Chase and several of its affiliates, TX CDE V LLC, an affiliate of Texas LIC Development Company LLC d/b/a/ Texas Community Development Capital, and our company (the “2013 NMTC”). After the exercise of the put option we acquired ownership of the Chase investment fund, and subsequently the loans between our company and the Chase investment fund, and between TX CDE V LLC and our company, were settled. This resulted in the retirement of $21.0 million of debt related to the 2013 NMTC and a corresponding $15.6 million note receivable.10-K.
Refer to Note 13, “Long-term Debt” and Note 22, “Subsequent Events,” to our condensed consolidated financial statements under Item 1, “Financial Statements,” in this Quarterly Report on Form 10-Q for additional information.

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Critical Accounting Policies and Estimates
We prepare our condensed consolidated financial statements in conformity with GAAP and our significant accounting policies are described in Note 2 to our audited consolidated financial statements included in our Annual Report on Form 10-K. The preparation of financial statements in conformity with GAAP requires us to make estimates and assumptions that affect reported amounts and related disclosures. We base our estimates and judgments on historical experience and other relevant factors that we believe to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions. We evaluate our critical accounting estimates, assumptions and judgments on an ongoing basis.
There has been no material change in our critical accounting policies and use of estimates from those described in Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” included in our Annual Report on Form 10-K, other than the following item.
Goodwill and Intangible Assets
Goodwill and intangible assets with indefinite lives are not amortized, but are tested for impairment annually or more frequently if events occur or circumstances change that would more likely than not reduce the fair value of the reporting unit below its carrying amount. We perform our annual impairment tests of goodwill and indefinite-lived intangible assets as of October 1 of each year.
For the purposes of the quantitative goodwill impairment test, we determine the fair value of our reporting units using a combination of a market approach and an income, or discounted cash flow, approach. Estimating the fair value of a reporting unit requires various assumptions including the use of projections of future cash flows and discount rates that reflect the risks associated with achieving those cash flows. The key assumptions used in estimating the fair value are operating margin growth rates, revenue growth rates, the weighted average cost of capital, the perpetual growth rate, and the estimated earnings market multiples of each reporting unit. The market value is estimated using publicly traded comparable company values by applying their most recent annual EBITDA multiples to the reporting unit’s EBITDA for the trailing twelve months. The income approach value is estimated using a discounted cash flow approach. The assumptions about future cash flows and growth rates are based on our assessment of a number of factors including the reporting unit’s recent performance against budget as well as management’s ability to execute on planned future strategic initiatives. Discount rate assumptions are based on an assessment of the risk inherent in those future cash flows. The fair values of the Company’s four reporting units exceeded their respective carrying amounts as of the last annual goodwill impairment test date on October 1, 2019 by the following percentages: 179% for Refining Services, 67% for Catalysts, 27% for Performance Materials and 18% for Performance Chemicals.
Based on the operating results for the three and nine months ended September 30, 2020 and other considerations, we believe that it is more likely than not that the fair values for each of our reporting units and of our indefinite-lived intangible assets are still greater than their respective carrying values. Accordingly, no interim goodwill or intangible asset impairment assessments were considered necessary at September 30, 2020. The Company will continue to monitor business plans throughout 2020 to determine if an interim goodwill and intangible assets impairment evaluation should be conducted. Changes in assumptions regarding future business performance and macroeconomic conditions, particularly those associated with the COVID-19 pandemic, may have a significant impact on future cash flows and reporting unit or intangible asset valuations. A significant downturn in global economic growth, or recessionary conditions in the U.S., Europe, South America and Asia for prolonged periods, may lead to reduced customer demand for the Company’s reporting units, or material supply chain interruptions or product shortages. To the extent that such developing economic conditions negatively impact customer demand for our products or product availability over an extended period, our businesses, results of operations and financial condition could be significantly and adversely affected, which could result in future impairments of goodwill and intangible assets.10-K.
Accounting Standards Not Yet Adopted
See Note 2 to our unaudited condensed consolidated financial statements for a discussion of recently issued accounting standards and their effect on us.
ITEM 3.    QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK.
Our major market risk exposure is potential losses arising from changing rates and prices regarding foreign currency exchange rate risk, interest rate risk, commodity price risk and credit risk. The audit committee of our board of directors regularly reviews foreign exchange, interest rate and commodity hedging activity and monitors compliance with our hedging policy. We do not use financial instruments for speculative purposes, and we limit our hedging activity to the underlying economic exposure.
There have been no material changes in the foreign exchange risk, interest rate risk, commodity risk or credit risk discussed in Item 7A., “Quantitative and Qualitative Disclosures about Market Risk,” included in our Annual Report on Form 10-K10-K. other than the following items:item:

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Interest RateForeign Exchange Risk
In February 2020,March 2021, as a result of the Performance Materials and Performance Chemicals divestitures, we restructuredsettled our $500.0 million notional interest rate cap agreements from July 31, 2020 through July 31, 2022 to lowercross-currency swaps. At the interest cap rate to 2.50% with a $0.1 million premium annuitized during the effective period. In March 2020, we further restructured our $500.0 million notional interest rate cap agreements from July 31, 2020 through July 31, 2022 to lower the interest cap rate to 0.84% with a $0.9 million premium annuitized during the effective period. Including the premiums on the original November 2018 agreement and the February and March 2020 restructurings,date of settlement, the total cumulative annuitized premiumnotional value of $4.4the cross-currency swaps was $311.4 million. We paid $13.2 million will be paid through Julyin cash to settle the swaps, which is included in net cash used in investing activities, discontinued operations in our condensed consolidated statement of cash flows for the three months ended March 31, 2022 on our interest rate cap agreements.
In July 2020, we entered into additional interest rate cap agreements2021, as the underlying subsidiary subject to mitigate interest rate volatility from August 2020 to August 2023, with a cap ratethe net investment hedging relationship is part of 1.00% on $400.0 million of notional variable-rate debt.the Performance Chemicals business.
ITEM 4.    CONTROLS AND PROCEDURES.
Evaluation of Disclosure Controls and Procedures
Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of our disclosure controls and procedures as of September 30, 2020,March 31, 2021, the end of the period covered by this Quarterly Report on Form 10-Q.
The term “disclosure controls and procedures,” as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (“Exchange Act”), means controls and other procedures of a company that are designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is accumulated and communicated to the company’s management, including its principal executive and principal financial officers, as appropriate to allow timely decisions regarding required disclosure. Management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving their objectives and management necessarily applies its judgment in evaluating the cost-benefit relationship of possible controls and procedures. Based on that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that, asas of such date, our disclosure controls and procedures were effective at a reasonable assurance level.
Changes in Internal Control Over Financial Reporting
Starting with the last few weeks of the quarter ended March 31, 2020 and continuing through the quarter ended September 30, 2020, the majority of our office and management personnel have been working remotely as a result of the COVID-19 pandemic. Included within this group are individuals responsible for the execution of the Company’s set of internal controls over financial reporting. We have provided these individuals with what we believe to be the appropriate resources to continue to perform their duties on a remote basis, and are not aware of any impediments or other issues that materially affected, or which are reasonably likely to materially affect, our internal control over financial reporting. We will continue to monitor and assess the COVID-19 situation for any potential impact on the design and operating effectiveness of our internal control over financial reporting. There were no otherNo changes in our internal control over financial reporting occurred during the quarter ended September 30, 2020March 31, 2021 that materially affected, or which are reasonably likely to materially affect, our internal control over financial reporting.



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PART IIOTHER INFORMATION

ITEM 1.    LEGAL PROCEEDINGS.
From time to time we may be subject to various legal claims and proceedings incidental to the normal conduct of business, relating to such matters as personal injury, product liability and warranty claims, waste disposal practices, release of chemicals into the environment and other matters that may arise in the ordinary course of our business. We currently believe that there is no litigation pending that is likely to have a material adverse effect on our business. Regardless of the outcome, legal proceedings can have an adverse impact on us because of defense and settlement costs, diversion of management resources and other factors.
ITEM 1A.    RISK FACTORS.

“Item 1A, Risk Factors” in our Annual Report on Form 10-K as supplemented by “Item 1A, Risk Factors” in our quarterly report on Form 10-Q for the quarter ended June 30, 2020, which we refer to as the Second Quarter Form 10-Q, includes a discussion of our risk factors. There have been no material changes from the risk factors described in our Annual Report on Form 10-K, as supplemented by our Second Quarter Form 10-Q.

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ITEM 2.    UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS.
Tax Withholdings
The following table contains information about shares of common stock delivered to the Company by employees to satisfy income tax withholding obligations of the employees in connection with the vesting of restricted stock units during the thirdfirst quarter of 2020.2021.

Maximum Number
Total Number of(or Dollar Value) of
Shares of Common StockShares of Common Stock
Total Number ofAverage PricePurchased as Part ofthat May Yet Be
Shares of CommonPaid per Share ofPublicly AnnouncedPurchased Under the
Stock PurchasedCommon StockPlan or ProgramsPlans or Programs
July 1, 2020 - July 31, 2020968 $13.10 N/AN/A
August 1, 2020 - August 31, 202012,200 $12.23 N/AN/A
September 1, 2020 - September 30, 2020— — N/AN/A
Total13,168 
Maximum Number
Total Number of(or Dollar Value) of
Shares of Common StockShares of Common Stock
Total Number ofAverage PricePurchased as Part ofthat May Yet Be
Shares of CommonPaid per Share ofPublicly AnnouncedPurchased Under the
Stock PurchasedCommon StockPlan or ProgramsPlans or Programs
January 1, 2021 - January 31, 202198,627 $14.90 N/AN/A
February 1, 2021 - February 28, 2021— — N/AN/A
March 1, 2021 - March 31, 2021— — N/AN/A
Total98,627 



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ITEM 6.    EXHIBITS.
The following exhibits are being filed or furnished as part of this Quarterly Report on Form 10-Q:
Exhibit No.Description
2.1
10.1
31.1
31.2
32.1
32.2
101
The following materials from the Quarterly Report on Form 10-Q of PQ Group Holdings Inc. for the quarter ended September 30, 2020,March 31, 2021, formatted in Inline XBRL: (i) Condensed Consolidated Statements of Income, (ii) Condensed Consolidated Statements of Comprehensive Income, (iii) Condensed Consolidated Balance Sheets, (iv) Condensed Consolidated Statements of Stockholders’ Equity, (v) Condensed Consolidated Statements of Cash Flows, (vi) Notes to Condensed Consolidated Financial Statements and (vii) document and entity information, tagged as blocks of text and including detailed tags
104The cover page from the Quarterly Report on Form 10-Q of PQ Group Holdings Inc. for the quarter ended September 30, 2020,March 31, 2021, formatted in Inline XBRL and included as Exhibit 101

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SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

PQ GROUP HOLDINGS INC.
Date:November 3, 2020May 17, 2021By:/s/ MICHAEL CREWS
Michael Crews
Executive Vice President and Chief Financial Officer
(Duly Authorized Officer and Principal Financial and Accounting Officer)


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