On October 5, 2021, Acadia Healthcare Company, Inc. announced that Debbie Osteen, Chief Executive Officer and Director of the Company, will retire as Chief Executive Officer and that it was anticipated that Ms. Osteen's retirement would be effective on January 31, 2022. Consistent with that expectation, the Company, through its subsidiary Acadia Management Company, Inc., and Ms. Osteen entered into an Amendment to Employment Agreement, dated as of December 22, 2021 (the “ First Amendment”), to extend the employment period under Ms. Osteen's Employment Agreement, dated as of January 19, 2021 (the “ Employment Agreement”), through January 31, 2022.