Sotera Health Company (SHC) Proxy filing summary

Voting matters and shareholder proposals

• Four Class III director nominees are up for election to serve until the 2029 Annual Meeting of Stockholders.

• Advisory approval of named executive officer compensation is on the agenda.

• Ratification of Ernst & Young LLP as the independent registered public accounting firm for the fiscal year ending December 31, 2026, is proposed.

Board of directors and corporate governance

• Board recommends voting in favor of all director nominees and proposals.

• Annual Meeting will be held virtually on May 21, 2026, at 9:00 a.m. EDT.

Executive compensation and say-on-pay

• Advisory vote on executive compensation for named executive officers is included.