171 results
8-K
EX-99.1
KOP
Koppers Holdings Inc
3 May 24
Koppers Reports First Quarter 2024 Results; Provides Updated 2024 Outlook
8:26am
black feedstock. The decreases were partly offset by volume increases for phthalic anhydride. Adjusted EBITDA for the first quarter was $4.0 million … more at Koppers.com.
Inquiries from the media should be directed to Ms. Jessica Franklin Black at BlackJF@koppers.com or 412-227-2025. Inquiries from
8-K
EX-99.1
KOP
Koppers Holdings Inc
15 Apr 24
Entry into a Material Definitive Agreement
8:06am
, visit: www.koppers.com. Inquiries from the media should be directed to Ms. Jessica Franklin Black at BlackJF@koppers.com or 412-227-2025. Inquiries from
8-K
EX-99.1
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28 Feb 24
Koppers Reports Fourth Quarter and Full-Year 2023 Results; Provides 2024 Outlook
8:17am
8-K
EX-99.1
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13 Feb 24
Koppers Holdings Names Nishan J. Vartanian to Board
4:30pm
8-K
EX-99.1
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2 Jan 24
Koppers Names James A. Sullivan President and Chief Operating Officer
4:30pm
8-K
EX-99.1
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3 Nov 23
Koppers Reports Third Quarter 2023 Results; Reaffirms 2023 Outlook
8:21am
8-K
EX-99.1
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12 Oct 23
Koppers Announces Successful Completion of Term Loan B Repricing
8:46am
8-K
EX-99.1
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14 Sep 23
Koppers Holdings Inc. Announces Increase to 2023 Outlook
8:32am
8-K
EX-99.1
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3 Aug 23
Koppers Reports Second Quarter 2023 Results; Reaffirms 2023 Outlook
8:27am
8-K
EX-99.1
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5 May 23
Koppers Reports First Quarter 2023 Results; Reaffirms 2023 Outlook
8:40am
8-K
EX-99.1
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11 Apr 23
Entry into a Material Definitive Agreement
4:45pm