Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number 001-39729 SOTERA HEALTH COMPANY (Exact name of registrant as specified in its charter) Delaware 47-3531161 (State or other jurisdiction of incorporation ...

Citi 2021 Healthcare Services Virtual Conference Scott Leffler, Sotera Health CFO 1 February 24, 2021 Forward Looking Statements and Non-GAAP Financial Measures Certain statements made in this presentation are forward-looking statements that reflect our plans, beliefs, expectations and current views with respect to, among other things, future events and financial performance. Forward-looking statements can be identified by the fact that they do not relate strictly to historical or current facts and are ofte ...