Exhibit 2 TRANSACTIONS IN THE SHARES IN THE OPEN MARKET 60 Day Transaction History Reporting Date		Trans.	 Qty	Price/Share Person AVF	 6/21/2018	Sell PHII 2,102 	$10.74 AIM	 6/21/2018	Sell PHIIK 6,171 	$10.71 AIM	 6/27/2018	Buy PHIIK 46 	$10.51 Stabosz	 6/29/2018	Buy PHIIK 3,416 	$10.19 Stabosz	 7/2/2018	Buy PHIIK 500 	$10.15 AIM	 7/5/2018	Buy PHIIK 58 	$10.04 Stabosz	 7/5/2018	Buy PHIIK 2,000 	$10.02 Stabosz	 7/6/2018	Buy PHIIK 2,000 	$9.92 Stabosz	 7/9/2018	Buy PHIIK 23,940 	$9.78 AIM	 7/10/2018	Sell PHIIK 38 	$9.49 Stabosz	 7/10/2018	Buy PHIIK 16,500 	$9.54 Stabosz	 7/11/2018	Buy PHIIK 2,000 	$9.31 Stabosz	 7/13/2018	Buy PHIIK 2,000 	$9.27 Stabosz	 7/16/2018	Buy PHIIK 9,000 	$9.02 Stabosz	 7/17/2018	Buy PHIIK 4,813 	$8.99 AIM	 7/18/2018	Sell PHIIK 4,906 	$8.95 Stabosz	 7/20/2018	Buy PHIIK 2,000 	$8.54 Stabosz	 7/23/2018	Buy PHIIK 9,000 	$8.51 AVF	 7/24/2018	Buy PHIIK 5,400 	$8.76 AIM	 7/24/2018	Buy PHIIK 11,612 	$8.75 AIM	 7/25/2018	Buy PHIIK 12,015 	$8.78 AIM	 7/26/2018	Buy PHIIK 2,500 	$8.88 Stabosz	 7/30/2018	Buy PHIIK 11,000 	$8.47 Stabosz	 7/31/2018	Buy PHIIK 2,000 	$8.31 Stabosz	 8/1/2018	Buy PHIIK 2,000 	$8.26 AIM	 8/7/2018	Buy PHIIK 8,649 	$8.20 Stabosz	 8/7/2018	Buy PHIIK 21,192 	$8.23 Stabosz	 8/8/2018	Buy PHIIK 21,105 	$8.11 Stabosz	 8/8/2018	Buy PHII 2,000 	$8.10 AVF	 8/9/2018	Buy PHIIK 1,914 	$8.15 AIM	 8/9/2018	Buy PHIIK 20,915 	$8.21 Stabosz	 8/9/2018	Buy PHIIK 29,095 	$8.18 Stabosz	 8/13/2018	Buy PHIIK 31,390 	$7.41 Stabosz	 8/15/2018	Buy PHIIK 5,880 	$8.08 AIM	 8/16/2018	Sell PHIIK 44 	$8.18 Stabosz	 8/16/2018	Buy PHIIK 2,931 	$8.17 Stabosz	 8/17/2018	Buy PHIIK 6,135 	$8.22 AIM	 8/20/2018	Buy PHIIK 37 	$8.23