Surgery Partners, Inc.

Other Events

On October 24, 2025, Dr. Patricia A. Maryland, a valued member of the Company’s Board of Directors since February 2021, passed away at the age of 72.

Dr. Maryland was a deeply respected and admired leader, offering thoughtful counsel and demonstrating an unwavering commitment to advancing access, equity and excellence in healthcare. The Company’s Board of Directors and management team extend their deepest condolences to Dr. Maryland’s family and express profound gratitude for the positive impact she had on the Company and communities we serve.

Dr. Maryland was a member of the Nominating and Corporate Governance and Compliance and Ethics Committees. In connection with these events, Dr. Laura Forese was appointed by the Board as a member of the Nominating and Corporate Governance Committee. The Board will review the composition of its committees and overall membership in due course and will take appropriate action in accordance with the Company’s bylaws.

Insider Trading Arrangements

From time to time, certain of our executive officers and directors have, and we expect they will in the future, enter into, amend and terminate written trading arrangements pursuant to Rule 10b5-1 of the Securities and Exchange Act of 1934 or otherwise. During the three months ended September 30, 2025, none of the Company’s directors or officers adopted orterminated any Rule 10b5-1 trading arrangement or non-Rule 10b5-1 trading arrangement (as such terms are defined in Item 408 of Regulation S-K).