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Exhibit 99 Acadia Healthcare Reports Second Quarter 2021 Results and Increases 2021 Guidance FRANKLIN , Tenn .-- ( BUSINESS WIRE ) -- August 2 , 2021 -- Acadia Healthcare Company , Inc. ( NASDAQ : ACHC ) today announced financial results for the second quarter ended June 30 , 2021 . Second Quarter 2021 Results The Company reported revenue of $ 582.2 million for the second quarter of 2021 , compared with $ 491.5 million for the second quarter of 2020. Adjusted EBITDA increased 25.2 % to $ 141.3 million for the second quarter of 2021 , compared with $ 112.8 million for the same period last year . Net income attributable to Acadia stockholders for the second quarter of 2021 was $ 44.5 million , or $ 0.49 per diluted share , compared with net income of $ 41.1 million , or $ 0.46 per diluted share , for the second quarter of 2020. Adjusted income from continuing operations attributable to Acadia stockholders per diluted share was $ 0.71 for the second quarter of 2021. Adjustments to income include transaction - related expenses , debt extinguishment costs , loss on impairment 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. During the second quarter of 2020 , the Company recognized $ 18.1 million in other income from the Provider Relief Fund ( “ PRF ” ) established by the Coronavirus Aid , Relief , and Economic Security ( " CARES ” ) Act . For the second quarter of 2021 , Acadia's same facility revenue increased 18.0 % compared with the second quarter of 2020 , including an increase in patient days of 9.8 % and an increase in revenue per patient day of 7.5 % . In the second quarter of 2020 , the Company experienced lower patient days due to the impact of the COVID - 19 pandemic and related restrictions , which resulted in a year - over - year decline of 0.7 % for the second quarter of 2020 compared to the prior year period . Adjusting prior year patient days for the estimated impact from the pandemic , patient days increased approximately 4.8 % for the second quarter of 2021. Same facility adjusted EBITDA margin improved 180 basis points to 29.3 % . Debbie Osteen , Chief Executive Officer of Acadia , remarked , “ We are pleased with the momentum in our business as Acadia delivered a strong financial and operating performance in the second quarter of 2021. These results reflect increased demand for our behavioral health services and our continued focus on driving efficiencies across our operations . We experienced favorable volume trends , demonstrating the strength of our proven operating model and successful execution of our growth strategy across our service lines , all of which provide exceptional patient care . Importantly , the growing acceptance surrounding mental health and substance abuse issues and the more favorable reimbursement environment for treatment have also been key drivers of demand . We commend the hard work of Acadia's dedicated employees and clinicians who have continued to support more patients who need our help with high quality care in a safe and accessible manner . "