Pentair plc announces results of 2023 annual meeting; all director nominees re-elected, all proposals approved.

Proposal 2. — Approve, by Nonbinding, Advisory Vote, the Compensation of the Named Executive Officers To approve, by nonbinding, advisory vote, the compensation of the Company’s named executive officers. The compensation of the Company’s named executive officers was approved by a nonbinding, advisory vote of the shareholders as follows: Votes For Votes Against Abstentions Broker Non-Votes 126,701,264 12,396,835 241,319 8,019,750

Proposal 3. — Approve, by Nonbinding, Advisory Vote, the Frequency of Future Advisory Votes on the Compensation of the Named Executive Officers To recommend, by nonbinding, advisory vote, the frequency of future advisory votes on the compensation of the Company’s named executive officers. The frequency of every 1 year (annual) for future advisory votes on the compensation of the Company’s named executive officers was recommended, by non-binding, advisory vote, by shareholders as follows: 1 Year 2 Years 3 Years Abstentions Broker Non-Votes 135,259,774 61,692 3,879,210 138,742 8,019,750

Proposal 4. — Ratify, by Nonbinding, Advisory Vote, the Appointment of Deloitte & Touche LLP as the Independent Auditor of the Company and to Authorize, by Binding Vote, the Audit and Finance Committee of the Board of Directors to Set the Auditor’s Remuneration To ratify, by nonbinding, advisory vote, the appointment of Deloitte & Touche LLP as the Company’s independent auditor for the year ending December 31, 2023 and to authorize, by binding vote, the Audit and Finance Committee of the Board of Directors to set the independent auditor’s remuneration. The proposal was approved by a vote of the shareholders as follows: Votes For Votes Against Abstentions 137,432,892 9,782,946 143,330

Proposal 1. — Re-Elect Director Nominees To re-elect nine director nominees for one-year terms expiring at the 2024 annual general meeting of shareholders. Each nominee for director was re-elected by a vote of the shareholders as follows: Nominees Votes For Votes Against Abstentions Broker Non-Votes Mona Abutaleb Stephenson 138,274,392 943,599 121,427 8,019,750 Melissa Barra 138,273,849 945,597 119,972 8,019,750 T. Michael Glenn 117,905,975 21,312,071 121,372 8,019,750 Theodore L. Harris 133,015,836 6,198,860 124,722 8,019,750 David A. Jones 127,677,884 11,528,677 132,857 8,019,750 Gregory E. Knight 137,637,235 1,581,064 121,119 8,019,750 Michael T. Speetzen 137,640,830 1,576,006 122,582 8,019,750 John L. Stauch 137,246,658 1,970,905 121,855 8,019,750 Billie I. Williamson 131,701,465 7,511,943 126,010 8,019,750

Proposal 6. — Authorize the Board of Directors to Opt-Out of Statutory Preemption Rights Under Irish Law To authorize the Board of Directors to opt-out of statutory preemption rights under Irish law. The proposal was approved by a vote of the shareholders as follows: Votes For Votes Against Abstentions 123,941,356 23,132,640 285,172

Proposal 7. — Authorize the Price Range at Which the Company Can Re-Allot Shares It Holds as Treasury Shares Under Irish Law To authorize t he price range at which the Company can re-allot shares it holds as treasury shares under Irish law . The proposal was approved by a vote of the shareholders as follows: Votes For Votes Against Abstentions 146,169,782 674,094 515,292

Proposal 5. — Authorize the Board of Directors to Allot New Shares Under Irish Law To authorize the Board of Directors to allot new shares under Irish law. The proposal was approved by a vote of the shareholders as follows: Votes For Votes Against Abstentions 146,135,708 1,027,195 196,265