Exhibit 7 TRANSACTIONS IN THE SHARES IN THE OPEN MARKET Amended 60 Day Transaction History Reporting Date		Trans.	 Qty	Price/Share Person Stabosz	 8/24/2018	Sell PHII 2,000	$9.31 AIM	 8/28/2018	Buy PHIIK 1,066 	$8.90 Stabosz 8/29/2018	Sell PHIIK 37,200 $8.56 AIM	 8/29/2018 Sell PHII 4,363 $9.19 AIM 8/29/2018	Buy PHIIK 12,433 $8.66 Olin 8/29/2018	Buy PHIIK 888	$8.80 Olin 8/29/2018	Sell PHII 888	$9.16 AIM 8/31/2018	Buy PHIIK 34		$8.39 Stabosz 9/4/2018	Buy PHIIK 6,733	$8.13 Stabosz 9/18/2018	Buy PHII 24,600	$8.40 Stabosz 9/18/2018	Sell PHII 1,000	$8.50 Stabosz 9/18/2018	Buy PHIIK 10,888	$8.49 AIM 9/19/2018	Sell PHIIK 1,749	$9.12 AIM 9/26/2018	Sell PHIIK 2,800	$9.23 Stabosz 10/1/2018	Sell PHII 1,000	$9.98 AVF 10/1/2018	Buy PHIIK 8,006	$9.42 AIM 10/1/2018	Buy PHIIK 516	$9.44 Stabosz 10/1/2018	Buy PHIIK 19,700	$9.42 Stabosz 10/3/2018	Buy PHIIK 11,626	$9.58 Stabosz 10/4/2018	Buy PHIIK 4,000	$9.49 Olin 10/11/2018	Buy PHIIK 2,002	$9.26 AIM 10/11/2018	Buy PHIIK 2,113	$9.22 Stabosz 10/11/2018	Buy PHIIK 9,339	$9.19 Stabosz 10/12/2018	Buy PHIIK 38,921	$9.24 Stabosz 10/12/2018	Sell PHIIK 420	$9.33 Stabosz 10/15/2018	Buy PHIIK 6,900	$9.07 Stabosz 10/16/2018	Buy PHIIK 31,309	$9.22 Stabosz 10/17/2018	Sell PHII 7,900	$9.33 Stabosz 10/17/2018	Buy PHIIK 35,000	$9.02 Stabosz 10/18/2018	Sell PHII 2,077	$9.13 Stabosz 10/18/2018	Buy PHIIK 15,877	$8.50 Stabosz 10/19/2018	Buy PHIIK 3,880	$8.42 AVF 10/22/2018	Buy PHIIK 2,850	$8.54 Olin 10/22/2018	Buy PHIIK 39		$8.57 AIM 10/22/2018	Buy PHIIK 2,056	$8.58