Acadia Healthcare Company Inc

Our management is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in Exchange Act Rules 13a-15(f) and 15d-15(f). Under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, we conducted an evaluation of the effectiveness of our internal control over financial reporting at December 31, 2024 based on the framework in Internal Control — Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework) (COSO). Based on that evaluation, our management concluded that our internal control over financial reporting was effective at December 31, 2024.

Our accompanying consolidated financial statements have been audited by the independent registered public accounting firm of Ernst & Young LLP. Reports of the independent registered public accounting firm, including the independent registered public accounting firm’s report on our internal control over financial reporting, are included in this report.