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Exhibit 99 Acadia Healthcare Reports First Quarter 2021 Results and Increases 2021 Guidance Revenue Grows 8.2 % Including Same Facility Revenue Growth of 7.4 % Company Completed Debt Refinancing Actions in March 2021 FRANKLIN , Tenn .-- ( BUSINESS WIRE ) -- April 29 , 2021 -- Acadia Healthcare Company , Inc. ( NASDAQ : ACHC ) today announced financial results for the first quarter ended March 31 , 2021 . First Quarter 2021 Results The Company reported revenue of $ 551.2 million for the first quarter of 2021 , compared with $ 509.2 million for the first quarter of 2020. Adjusted EBITDA was $ 119.5 million , compared with $ 96.7 million for the same period last year . Net income attributable to Acadia stockholders for the first quarter of 2021 was $ 9.7 million , or $ 0.11 per diluted share , compared with net income of $ 33.5 million , or $ 0.38 per diluted share , for the first quarter of 2020. Adjusted income from continuing operations attributable to Acadia stockholders per diluted share was $ 0.47 for the first quarter of 2021. Adjustments to income include transaction - related expenses , debt extinguishment costs and the income tax effect of adjustments to income . A reconciliation of all non - GAAP financial results in this press release begins on page 9. The Company closed on the sale of Acadia's business operations in the United Kingdom on January 19 , 2021. The results of the U.K. business have been presented as discontinued operations for all periods in this release . The Company's income tax provision includes a tax benefit of $ 1.7 million and tax expense of $ 0.3 million for the first quarter of 2021 and 2020 , respectively , attributable to the difference in the actual deductible amount relating to employee stock - based compensation and the previously estimated tax deduction based on grant date values . This difference is reflected in the effective tax rate but has been excluded from the adjusted tax rate for all periods . For the first quarter of 2021 , Acadia's same facility revenue increased 7.4 % compared with the first quarter of 2020 , including an increase in revenue per patient day of 4.5 % and an increase in patient days of 2.7 % . Same facility adjusted EBITDA margin improved 280 basis points to 26.5 % . Debbie Osteen , Chief Executive Officer of Acadia Healthcare Company , remarked , “ We are pleased to report a strong start to 2021 for Acadia with solid financial and operating performance . These results demonstrate consistent execution of our growth strategy , as well as strong cost management in the face of the resurgence of COVID - 19 and one less day in the 2021 period due to leap year in 2020. We are proud of the hard work and dedication of Acadia's employees and clinicians across our operations who have continued to meet the critical demand for our services and provide the highest quality care in a safe and accessible manner .