STERIS plc reports results of 2023 Annual General Meeting; all proposals passed

3. The shareholders approved the proposal to appoint Ernst & Young Chartered Accountants as the Company’s statutory auditor under Irish law to hold office until the conclusion of the Company’s next Annual General Meeting by the following votes: Votes for 83,051,183 Votes against 8,608,501 Abstentions 58,166

1. The shareholders elected the nominees named below to the board of directors of the Company (the “Board”), each for a one-year term, and the results of the vote were as follows: Nominee Votes for Votes against Abstentions Broker non-votes Esther M. Alegria 87,930,589 166,648 69,798 3,550,815 Richard C. Breeden 83,412,606 4,674,581 79,848 3,550,815 Daniel A. Carestio 86,828,206 1,301,677 37,152 3,550,815 Cynthia L. Feldmann 78,692,106 5,944,870 3,530,059 3,550,815 Christopher S. Holland 87,150,387 932,962 83,686 3,550,815 Dr. Jacqueline B. Kosecoff 79,498,778 8,597,293 70,964 3,550,815 Paul E. Martin 86,306,636 1,785,736 74,663 3,550,815 Dr. Nirav R. Shah 87,034,737 1,007,908 124,390 3,550,815 Dr. Mohsen M. Sohi 83,787,674 4,300,162 79,199 3,550,815 Dr. Richard M. Steeves 87,059,127 1,031,717 76,191 3,550,815

4. The shareholders approved the proposal to authorize the Board of the Company or the Audit Committee of the Board to determine the remuneration of Ernst & Young Chartered Accountants as the Company’s statutory auditor under Irish law by the following votes: Votes for 90,452,843 Votes against 1,215,360 Abstentions 49,647

6. The shareholders approved “one-year” for the proposal to approve, on a non-binding advisory basis whether the non-binding advisory vote on named executive officer compensation should be held every one, two or three years, by the following votes: One Year 87,154,402 Two Years 46,103 Three Years 923,796 Abstentions 42,734 Broker non-votes 3,550,815

5. The shareholders approved the proposal to approve, on a non-binding advisory basis, the compensation of the Company’s named executive officers as disclosed pursuant to the disclosure rules of the Securities and Exchange Commission, including the Compensation Discussion and Analysis and the tabular and narrative disclosure contained in the Company’s proxy statement dated June 7, 2023, by the following votes: Votes for 81,238,272 Votes against 6,841,234 Abstentions 87,529 Broker non-votes 3,550,815

2. The shareholders approved the proposal to ratify the appointment of Ernst & Young LLP as the Company’s independent registered public accounting firm for the year ending March 31, 2024 by the following votes: Votes for 83,026,435 Votes against 8,633,905 Abstentions 57,510

8. The shareholders approved the proposal to approve the renewal of the Board’s authority to opt-out of statutory pre-emption rights under Irish law regarding the issuance of shares for cash, by the following votes: Votes for 85,582,812 Votes against 5,955,437 Abstentions 179,601

7. The shareholders approved the proposal to the renewal of the Board’s authority to issue authorized but unissued shares under Irish law, by the following votes: Votes for 89,904,671 Votes against 1,766,723 Abstentions 46,456