Item 5.07. Submission of Matters to a Vote of Security Holders.

On May 27, 2021 Sotera Health Company (the "Company") held its 2021 Annual Meeting of Stockholders (the "Annual Meeting"). The Company's stockholders voted on two proposals at the Annual Meeting, each of which is described in more detail in the Company's definitive proxy statement filed with the Securities and Exchange Commission on April 15, 2021. Present at the Annual Meeting in person or by proxy were holders of 274,971,050 shares of common stock of the Company, representing 97.2% of the voting power of the shares of common stock of the Company as of the close of business on April 1, 2021, the record date for the Annual Meeting, and constituting a quorum for the transaction of business.

The stockholders of the Company voted on the following items at the Annual Meeting:

1.To elect four directors as Class I directors to serve a three-year term until the 2024 annual meeting of stockholders and until their successors are duly elected and qualified. 2.To ratify the appointment of Ernst & Young LLP as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2021.

The final results for each of these proposals are as follows:



1.Election of Directors

        Nominee                  For            Against         Abstain       Broker Non-Vote
Constantine S. Mihas           247,631,027      24,611,957         66,453            2,661,613
James C. Neary                 247,630,726      24,612,258         66,453            2,661,613
Michael B. Petras, Jr.         253,350,287      18,950,434          8,716            2,661,613
David E. Wheadon               266,303,968       5,939,017         66,452            2,661,613

Based on the votes set forth above, each director nominee was duly elected to serve until the 2024 annual meeting of stockholders and until his successor is duly elected and qualified.

2.Ratification of Appointment of Independent Registered Public Accounting Firm



     For            Against        Abstain
 274,841,142        122,505         7,403

Based on the votes set forth above, the stockholders ratified the appointment of Ernst & Young LLP as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2021. There were no broker non-votes on this matter.

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