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