Acadia Healthcare Company, Inc. New Standards Disclosure

Recent Accounting Pronouncements

In August 2023, the FASB issued Accounting Standards Update (“ASU”) 2023-05 Business Combinations—Joint Venture Formations (Subtopic 805-60): “Recognition and Initial Measurement” (“ASU 2023-05”). ASU 2023-05 requires entities to recognize and initially measure a joint venture’s assets and liabilities at fair value on the formation date. This guidance is effective prospectively for all joint ventures formed on or after January 1, 2025, and may be applied either prospectively or retrospectively. The Company prospectively adopted ASU 2023-05 on January 1, 2025, and such adoption did not have a significant impact on the Company’s consolidated financial statements.

In November 2023, the FASB issued ASU 2023-07 Segment Reporting (Topic 280): “Improvements to Reportable Segment Disclosures” (“ASU 2023-07”). ASU 2023-07 is intended to improve reportable segment disclosure requirements, primarily through enhanced disclosures about significant segment expenses. This guidance is effective for fiscal years beginning after December 15, 2023, and the interim periods within the fiscal years beginning after December 15, 2024, with early adoption permitted and applied retrospectively. The Company adopted ASU 2023-07 for the year ended December 31, 2024. See Note 22 — Segments for additional information on the Company’s accounting for segment reporting. This adoption did not have a significant impact on the Company’s consolidated financial statements.

In December 2023, the FASB issued ASU 2023-09 Income Taxes (Topic 740): “Improvements to Income Tax Disclosures Topic 740.” (“ASU 2023-09”). ASU 2023-09 is intended to enhance the transparency and decision usefulness of income tax disclosures. This guidance is effective for fiscal years beginning after December 15, 2024, with early adoption permitted, and may be applied either prospectively or retrospectively. The Company adopted this standard on a prospective basis for the year ended December 31, 2025. See Note 19 – Income Taxes for additional information.

In November 2024, the FASB issued ASU 2024-03 Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40): “Disaggregation of Income Statement Expenses” (“ASU 2024-03”). ASU 2024-03 requires disaggregated disclosure of certain income statement expenses. This guidance is effective for fiscal years beginning after December 15, 2026 and interim periods within fiscal years beginning after December 15, 2027. Early adoption is permitted and must be applied prospectively. The Company is currently evaluating the impact of ASU 2023-09 on the Company’s consolidated financial statements.

In July 2025, the FASB issued ASU 2025-05 Financial Instruments—Credit Losses (Topic 326): “Measurement of Credit losses for Accounts Receivable and Contract Assets” (“ASU 2025-05”). ASU 2025-05 allows entities to elect a practical expedient to assume the current conditions as of the balance sheet date remain unchanged for the remaining life of the asset in the development of a reasonable and supportable forecast for current accounts receivable and current contract assets arising from transactions accounted for under ASC 606, Revenue from Contracts with Customers. This guidance is effective for fiscal years beginning after December 15, 2025, and interim reporting periods within those fiscal years, and must be adopted prospectively.

Early adoption is permitted and must be applied as of the beginning of the annual reporting period in which it is early adopted. The Company is currently evaluating the impact of ASU 2025-05 on the Company’s consolidated financial statements.

In September 2025, the FASB issued ASU 2025-06 Intangibles—Goodwill and Other—Internal-Use Software (Subtopic 350-40): “Targeted Improvements to the Accounting for Internal-Use Software” (“ASU 2025-06”). ASU 2025-06 is intended to clarify and modernize the accounting for costs related to internal-use software. This guidance is effective for fiscal years beginning after December 15, 2027, and interim periods within those fiscal years, and may be adopted using a prospective, retrospective, or modified transition approach. Early adoption is permitted and must be applied as of the beginning of the annual reporting period in which it is early adopted. The Company is currently evaluating the impact of ASU 2025-06 on the Company’s consolidated financial statements.

In December 2025, the FASB issued ASU 2025-10 Government Grants (Topic 832): “Accounting for Government Grants Received by Business Entities” (“ASU 2025-10”). ASU 2025-10 establishes guidance on the recognition, measurement, and presentation of government grants received by business entities. This guidance leverages the principles in the accounting framework for government assistance in International Accounting Standard 20, Accounting for Government Grants and Disclosure of Government Assistance (“IAS 20”), makes certain targeted improvements, and modifies certain of the existing disclosure requirements in ASC 832, Government Assistance. ASU 2025-10 is effective for fiscal years beginning after December 15, 2028, and interim reporting periods within those fiscal years, and may be adopted on a modified prospective basis, a modified retrospective basis, or a full retrospective basis. Early adoption is permitted in any period for which financial statements have not been issued. The Company is currently evaluating the impact of ASU 2025-06 on the Company’s consolidated financial statements.

In December 2025, the FASB issued ASU 2025-11 Interim Reporting (Topic 270): “Narrow-Scope Improvements” (“ASU 2025-11”). ASU 2025-11 clarifies the interim reporting requirements in GAAP by improving the navigability of Topic 270 and more clearly specifying what disclosures are required in an interim reporting period. This guidance is effective for interim reporting periods in fiscal years beginning after December 15, 2027, and may be adopted on a prospective or retrospective basis. Early adoption is permitted. The Company is currently evaluating the impact of ASU 2025-11 on the Company’s consolidated financial statements.

In December 2025, the FASB issued ASU 2025-12 Codification Improvements (“ASU 2025-12”). ASU 2025-12 provides for technical corrections, clarifications and other minor improvements to a variety of Topics. This guidance is effective for annual reporting periods beginning after December 15, 2026, and interim reporting periods within those annual reporting periods and may be adopted on a prospective or retrospective basis on an issue-by-issue basis. Early adoption is permitted on an issue-by-issue basis. The Company is currently evaluating the impact of ASU 2025-12 on the Company’s consolidated financial statements.