Acadia Healthcare Company, Inc. leadership

Mr. Waud founded the Company in 2005 and, most recently, has served as the Chairman of the Board since December 2018; he previously served as the Lead Director of the Board from April 2012 to December 2018. He formed Waud Capital Partners, L.L.C. in 1993 and has served as its Managing Partner since that time, and prior to founding WCP was an investment professional at Golder, Thoma, Cressey, Rauner, Inc. and a member of the Corporate Finance Group of Salomon Brothers Inc.

Since January 2026, Ms. Osteen has served as the Company's Chief Executive Officer, and she previously served as Chief Executive Officer from December 2018 to March 2022 and as a member of the Board from December 2018 to May 2024. Prior to joining the Company in 2018, she served as Senior Vice President of Universal Health Services, Inc. since 2005 and as President, Behavioral Health Division since 1999.

Prior to his retirement in September 2020, Mr. Fucci served as Chairman Emeritus of Deloitte U.S.; he previously served as Executive Chairman of Deloitte U.S. from 2015 to 2019, Chief Operating Officer of Deloitte Consulting from 2009 to 2015, and held various management positions since 2003. He currently serves on the boards of directors of Flotek Industries, Inc. (NYSE: FTK) and Conduent Incorporated (NASDAQ: CNDT).

Dr. Harris is a practicing psychiatrist trained in child/adolescent and forensic psychiatry, and is the Chief Executive Officer and Principal of Health Strategies Enterprises, LLC, Medical Director of Odyssey Family Counseling and Co-Founder of eMed Digital Healthcare. She is a former president of the American Medical Association, served on the AMA Board from 2011 to 2021, and currently serves on the board of directors of United Bankshares, Inc. (NASDAQ: UBSI).

Mr. Cancelmi is a finance leader who most recently served as Executive Vice President and Chief Financial Officer of Tenet Healthcare Corporation (NYSE: THC) from September 2012 to December 2023, capping a three-decade career at Tenet in finance roles of increasing responsibility. He began his career at PricewaterhouseCoopers, serves on the board of Duquesne University, and is a certified public accountant licensed in Texas and Florida; he was appointed to the Acadia board effective March 12, 2026.

Mr. Bissell currently serves as an Advisory Partner at Egis Capital Partners, LLC, a private equity firm, and was a Managing Partner of Egis Capital from 2016 to 2023. He previously served as Chairman and CEO of Next Generation Energy Logistics, LLC, CEO of Maxum Petroleum, Inc., and in senior roles at Pilot Logistics Services, Northwest Capital Appreciation, Inc. and SLP Capital.

Since November 2014, Ms. Gregg has served as Co-Founder and Partner of Guidon Partners, an investor and consultant for privately held healthcare companies, and she served as Chief Executive Officer of BlueCross BlueShield of Tennessee from January 2003 through the end of 2012. She currently serves on the boards of directors of Quest Diagnostics Incorporated (NYSE: DGX), Erlanger Health, Capital Vision Services, LLC d/b/a MyEyeDr, and the Electric Power Board of Chattanooga.

Mr. Bernhard is the Global Chief Operating Officer, Financial Advisory; Managing Director, and a Vice Chairman of Investment Banking at Lazard, Inc., where he has served for more than 25 years. He was formerly Global Co-Head of Lazard's Healthcare Investment Banking group.

Since March 2018, Mr. Grieco has served as Chief Compliance Officer of NX Development Corporation, the U.S. life sciences affiliate of SBI Holdings, Inc., and since May 2021 as its Senior Vice President and General Counsel; since 2008 he has also served as Managing Director of Arcadia Strategies, LLC. He previously held Senior Vice President and General Counsel roles at American Science and Engineering, Inc., IDX Systems Corporation and Fresenius Medical Care North America, and was a partner in the Healthcare Department at Choate, Hall & Stewart.

Since 2011, Mr. Kelly has served as the founder and managing partner of StraightLine Realty Partners, an alternative investment platform based in Dallas, Texas, and has founded multiple real estate and investment companies including Croesus and Company and Serra Real Estate Capital, LLC. He currently serves as a director or trustee of Invesco Commercial Real Estate Finance Trust, Inc., the Children's Medical Center (Dallas) Foundation and the Dallas Police and Fire Pension Fund, and served as trustee and Chairman of the Teacher Retirement System of Texas from 2007 to 2017.

Todd S. Young joined the Company in October 2025 and has served as Chief Financial Officer since that time. Before joining the Company, he served as Executive Vice President and Chief Financial Officer of Elanco Animal Health since November 2018, and prior to that as Executive Vice President and Chief Financial Officer at ACADIA Pharmaceuticals Inc. from August 2016 to October 2018.

Brian P. Farley joined the Company in July 2023 and has served as Executive Vice President, General Counsel and Secretary since that time. Before joining the Company, he served as Chief Legal Officer and Corporate Secretary for GoHealth, Inc. (NASDAQ: GOCO) since June 2020, and previously held various roles at Veradigm Inc. (formerly Allscripts Healthcare Solutions, Inc.), most recently as Executive Vice President, General Counsel and Chief Administrative Officer from May 2013 to June 2020.

Mr. Hunter served as the Company's Chief Executive Officer and a member of the Board prior to Ms. Osteen's appointment as Chief Executive Officer. He is reported as a named executive officer in the proxy's Summary Compensation Table for fiscal years 2023 through 2025 in the role of former Chief Executive Officer.

Dr. Khan resigned as the Company's Chief Operating Officer effective November 3, 2025, but continued to provide transition advisory services through December 31, 2025 pursuant to a Transition and Separation Agreement. He is reported as a named executive officer in the proxy's Summary Compensation Table for fiscal years 2024 and 2025.

Ms. Dixon resigned as the Company's Chief Financial Officer effective August 15, 2025, at which point Timothy Sides was appointed Interim Chief Financial Officer. She is reported as a named executive officer in the proxy's Summary Compensation Table for fiscal years 2023 through 2025.

Mr. Sides was appointed Interim Chief Financial Officer effective August 16, 2025; effective October 27, 2025, upon Todd Young's appointment as Chief Financial Officer, he ceased serving as Interim Chief Financial Officer and resumed his role as Senior Vice President, Operations Finance of the Company. He is reported as a named executive officer in the proxy's Summary Compensation Table for fiscal year 2025.