X0306 4 2015-09-28 0 0000077360 PENTAIR plc PNR 0001189049 HOGAN RANDALL J 5500 WAYZATA BLVD., SUITE 800 GOLDEN VALLEY MN 55416 1 1 0 0 Chairman, CEO Common Shares 2015-09-28 4 F 0 30070 51.27 D 136886 D Common Shares - Restricted Stock Units 227962 D Common Shares 179794 I By Trust Common Shares - Deferral Plan 57506.478 I Plan Agent Common Shares - ESOP 1976.6263 I By ESOP Shares surrendered to pay taxes applicable to vesting of restricted stock units. End-of-period holdings reflect the vesting of restricted stock units that were previously reported. Since the date of the reporting person's last ownership form, 13,155 shares previously reported as indirectly beneficially owned by Trust have been transferred and are now directly owned by the reporting person. Shares of Pentair, Inc. common stock will be delivered to the reporting person in accordance with their irrevocable deferral election. End-of-period holdings include shares acquired under a dividend reinvestment plan in exempt transactions not required to be reported pursuant to Section 16(a). /s/ John K. Wilson, Attorney-in-Fact for Randall J. Hogan 2015-09-30