STERIS (STE) Proxy Filing summary

Executive summary

• Annual General Meeting scheduled for July 31, 2025, at 9:00 a.m. Irish Standard Time.

• Supplement updates the definitive proxy statement filed on June 12, 2025.

• All information in the original proxy statement remains valid except as updated by this supplement.

Voting matters and shareholder proposals

• Dr. Richard M. Steeves has withdrawn from nomination for re-election due to retirement effective at the Annual Meeting.

• Votes cast for Dr. Steeves will be disregarded; all other nominees remain valid.

• No other agenda items or proposals are modified by this supplement.

Board of directors and corporate governance

• Dr. Steeves' retirement is not due to any disagreement regarding strategy, operations, policies, or practices.

• The Board will not fill Dr. Steeves' vacancy or appoint a successor nominee at this time.