| 2026-08-06 | 10-Q | 10.3 | Amendment to Amended and Restated Senior Management Agreement by and between Sotera Health Company and Michael B. Petras, Jr. dated as of April 30, 2026 |
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| 2026-08-06 | 10-Q | 10.2 | Employment Offer by and between Sotera Health Company and Alton E. Shader dated as of May 1, 2026 |
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| 2026-05-20 | 8-K | 10.1 | Amendment No. 7, dated as of May 20, 2026, to the First Lien Credit Agreement dated as of December 13, 2019 by and among Sotera Health Company, Sotera Health Holdings, LLC, certain subsidiaries of Sotera Health Company, JPMorgan Chase Bank, N.A., as First Lien Administrative Agent, and the 2026 Refinancing Term Lenders party thereto. |
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| 2026-05-05 | 10-Q | 10.2 | Advisory Agreement Amendment dated as of April 17, 2026, by and among Dimitrief Advisory LLC, Alexander Dimitrief and Sotera Health Company |
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| 2026-05-05 | 10-Q | 10.1 | Advisory Agreement dated as of April 1, 2026, by and between Alexander Dimitrief and Sotera Health Company |
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| 2026-02-24 | 10-K | 10.48 | Cash Retention Bonus Agreement, dated as of March 3, 2025, by and between the Company and Jonathan M. Lyons |
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| 2026-02-24 | 10-K | 10.47 | Form of Performance Share Unit Grant Notice, Agreement and Performance Memo (under 2020 Omnibus Incentive Plan) (for Chief Executive Officer performance share unit grants starting in 2025) |
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| 2026-02-24 | 10-K | 10.46 | Form of Performance Share Unit Grant Notice, Agreement and Performance Memo (under 2020 Omnibus Incentive Plan) (other executive grants starting 2025) |
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| 2026-02-24 | 10-K | 10.45 | Form of Performance Share Unit Grant Notice, Agreement and Performance Memo (under 2020 Omnibus Incentive Plan) (for Chief Executive Officer share appreciation unit grants starting in 2025) |
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| 2026-02-24 | 10-K | 10.44 | Form of Restricted Stock Unit Grant Notice and Agreement (under 2020 Omnibus Incentive Plan) (retention awards) |
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| 2026-02-24 | 10-K | 10.43 | Form of Restricted Stock Unit Grant Notice, Agreement and Performance Memo (under 2020 Omnibus Incentive Plan) (for other executive grants starting in 2025) |
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| 2026-02-24 | 10-K | 10.42 | Form of Restricted Stock Unit Grant Notice and Agreement (under 2020 Omnibus Incentive Plan) (for Chief Executive Officer grants starting in 2025) |
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| 2025-09-18 | 8-K | 10.1 | Amendment No. 6, dated as of September 17, 2025, to the First Lien Credit Agreement dated as of December 13, 2019 by and among Sotera Health Company, Sotera Health Holdings, LLC, certain subsidiaries of Sotera Health Company, JPMorgan Chase Bank, N.A., as First Lien Administrative Agent, and the 2025 Refinancing Term Lenders party thereto. |
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| 2025-05-01 | 10-Q | 10.2 | Amended and Restated Employment Offer by Sotera Health Company and Jonathan M. Lyons dated as of February 26, 2025 |
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| 2025-05-01 | 10-Q | 10.1 | Amendment No. 5 to the First Lien Credit Agreement, dated as of April 30, 2025 by and among Sotera Health Company, Sotera Health Holdings, LLC, certain subsidiaries of Sotera Health Company, JPMorgan Chase Bank, N.A., as First Lien Administrative Agent and the lenders and issuing banks party thereto |
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| 2024-08-05 | 10-Q | 10.1 | Amendment No. 4 to First Lien Credit Agreement, dated as of May 30, 2024, among Sotera Health Company, Sotera Health Holdings, LLC, each Term and Revolving Lender party and JPMorgan Chase Bank, N.A., as First Lien Administrative Agent |
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| 2024-03-04 | 8-K | 10.1 | Amendment No. 3, dated as of March 1, 2024, to the First Lien Credit Agreement dated as of December 13, 2019 by and among Sotera Health Company, Sotera Health Holdings, LLC, certain subsidiaries of Sotera Health Company, JPMorgan Chase Bank, N.A., as First Lien Administrative Agent and the lenders and issuing banks party thereto. |
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| 2024-02-27 | 10-K | 10.7 | Executed Amended and Restated Employment Offer by Sotera Health Company and Jonathan M. Lyons dated as of February 26, 2024 |
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| 2023-08-03 | 10-Q | 10.3 | Executed Restrictive Covenants Agreement by and between Sotera Health Company and Jonathan M. Lyons dated as of June 26, 2023 |
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| 2023-08-03 | 10-Q | 10.2 | Executed Employment Offer by Sotera Health Company and Jonathan M. Lyons dated as of May 31, 2023 |
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| 2023-06-22 | 8-K | 10.1 | Amendment, dated as of June 22, 2023, to the First Lien Credit Agreement dated as of December 13, 2019 by and among Sotera Health Company, Sotera Health Holdings, LLC, certain subsidiaries of Sotera Health Company, JPMorgan Chase Bank, N.A., as First Lien Administrative Agent and the lenders and issuing banks party thereto. |
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| 2023-05-03 | 10-Q | 10.3 | Willowbrook Group Settlement Agreement dated as of March 28, 2023 by and among Sotera Health LLC, Sterigenics U.S., LLC and Plaintiff's Executive Committee (Illinois Ethylene Oxide Tort Litigation) |
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| 2023-05-03 | 10-Q | 10.2 | Settlement Agreement dated as of March 28, 2023 by and among Sotera Health LLC, Sterigenics U.S., LLC and Plaintiffs’ Counsel (Illinois Ethylene Oxide Tort Litigation) |
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| 2023-03-22 | 8-K | 10.1 | Incremental Facility Amendment No. 2, dated as of March 21, 2023, to the First Lien Credit Agreement dated as of December 13, 2019 by and among Sotera Health Company, Sotera Health Holdings, LLC, certain subsidiaries of Sotera Health Company, JPMorgan Chase Bank, N.A., as First Lien Administrative Agent and the lenders and issuing banks party thereto. |
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| 2023-02-28 | 10-K | 10.49 | Form of Sotera Health Company 2020 Omnibus Incentive Plan Stock Option Grant Notice (As Amended) and Agreement |
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| 2023-02-28 | 10-K | 10.48 | Form of Sotera Health Company 2020 Omnibus Incentive Plan Restricted Stock Unit Grant Notice (As Amended) and Agreement |
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| 2023-02-28 | 10-K | 10.47 | Willowbrook Trial Plaintiffs Settlement Term Sheet |
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| 2023-02-28 | 10-K | 10.46 | Willowbrook Group Settlement Term Sheet |
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| 2023-02-28 | 10-K | 10.45 | Trademark Security Agreement, dated as of February 23, 2023, among Sotera Health Holdings, LLC and JPMorgan Chase Bank, N.A., as collateral agent |
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| 2023-02-28 | 10-K | 10.44 | Trademark Security Agreement, dated as of February 23, 2023, among Regulatory Compliance Associates Inc. and JPMorgan Chase Bank, N.A., as collateral agent |
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| 2023-02-28 | 10-K | 10.43 | Trademark Security Agreement, dated as of February 23, 2023, among Nelson Laboratories Bozeman, LLC and JPMorgan Chase Bank, N.A., as collateral agent |
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| 2023-02-28 | 10-K | 10.42 | Copyright Security Agreement, dated as of February 23, 2023, among Nelson Laboratories, LLC and JPMorgan Chase Bank, N.A., as collateral agent |
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| 2023-02-28 | 10-K | 10.41 | First Lien Pari Passu Intercreditor Agreement dated as of February 23, 2023, among Sotera Health Holdings, LLC, the Registrant, the other grantors party thereto and JPMorgan Chase Bank, N.A. |
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| 2023-02-28 | 10-K | 10.40 | First Lien Collateral Agreement dated as of February 23, 2023, among the Registrant, Sotera Health Holdings, LLC, the other grantors party thereto and JPMorgan Chase Bank, N.A., as First Lien Collateral Agent |
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| 2023-02-28 | 10-K | 10.39 | First Lien Guarantee Agreement dated as of February 23, 2023, among the Registrant, Sotera Health Holdings, LLC, the other guarantors party thereto and JPMorgan Chase Bank, N.A., as First Lien Collateral Agent |
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| 2023-02-28 | 10-K | 10.38 | 2023 Credit Agreement dated as of February 23, 2023 among the Registrant, Sotera Health Holdings, LLC, the Lenders party thereto and JPMorgan Chase Bank, N.A., as First Lien Administrative Agent and First Lien Collateral Agent |
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| 2023-02-28 | 10-K | 10.37 | Amendment to First Lien 2019 Credit Agreement, dated as of March 24, 2022, by and among Sotera Health Company, Sotera Health Holdings, LLC, and JPMorgan Chase Bank, N.A. as First Lien Administrative Agent |
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| 2023-02-28 | 10-K | 10.9 | Cash Retention Bonus Agreement by and between Michael Rutz and Sotera Health Company dated as of November 7, 2022 |
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| 2023-02-28 | 10-K | 10.8 | Executed Restrictive Covenants Agreement by and between Sotera Health Company and Alex Dimitrief, dated as of November 1, 2022 |
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| 2023-02-28 | 10-K | 10.7 | Executed Employment Offer by Sotera Health Company and Alex Dimitrief dated as of October 28, 2022 |
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| 2023-02-28 | 10-K | 10.6 | Executed Restrictive Covenants Agreement by and between Sotera Health Company and Michael F. Biehl dated as of July 20, 2022 |
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| 2023-02-28 | 10-K | 10.5 | Executed Employment Offer by Sotera Health Company and Michael F. Biehl dated as of July 18, 2022 |
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| 2022-11-02 | 10-Q | 10.32 | Separation Agreement made as of August 31, 2022 between Terry Hammons and Sotera Health Company |
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| 2022-03-01 | 10-K | 10.31 | Amendment to First Lien Credit Agreement, dated as of December 23, 2021 by and among Sotera Health Company, Sotera Health Holdings, LLC, and JPMorgan Chase Bank, N.A. as First Lien Administrative Agent and First Lien Collateral Agent |
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| 2022-03-01 | 10-K | 10.4 | Executed Restrictive Covenants Agreement by and between Sotera Health Company and Terrence G. Hammons, Jr., dated as of November 1, 2021 |
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| 2022-03-01 | 10-K | 10.3 | Executed Employment Offer by Sotera Health Company and Terrence G. Hammons, Jr., dated as of August 20, 2021 |
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| 2021-05-13 | 10-Q | 10.2 | Revolving Facilities Amendment to the First Lien Credit Agreement, dated as of March 26, 2021, among Sotera Health Company, Sotera Health Holdings, LLC, the Refinancing Lenders Party thereto, the Revolving Lenders party to the First Lien Credit Agreement and Jefferies Finance LLC, as First Lien Administrative Agent and First Lien Collateral Agent |
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| 2021-03-09 | 10-K | 10.28 | Refinancing Amendment to the First Lien Credit Agreement, dated as of January 20, 2021, among Sotera Health Company, Sotera Health Holdings, LLC, the Refinancing Lenders Party thereto, the Revolving Lenders party to the First Lien Credit Agreement and Jefferies Finance LLC, as First Lien Administrative Agent and First Lien Collateral Agent |
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| 2021-03-09 | 10-K | 10.27 | Incremental Facility Amendment to the First Lien Credit Agreement, dated as of December 17, 2020, among Sotera Health Company, Sotera Health Holdings, LLC, the Incremental Amendment Revolving Lends party thereto, Jefferies Finance LLC, as First Lien Administrative Agent, each Issuing Bank and the Other Loan Parties |
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| 2021-03-09 | 10-K | 10.26 | Employment Agreement by and between Sotera Health LLC and Michael P. Rutz, dated as of May 21, 2020 |
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| 2021-03-09 | 10-K | 10.9 | Stockholders’ Agreement |
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