Acadia Healthcare Company, Inc. (NASDAQ: ACHC) (“Acadia” or the “Company”) today announced the pricing of a registered offering of 10,576,623 shares of its common stock at a public offering price of $22.50 per share. Of these shares, the Company has agreed to sell 7,000,000 shares of common stock and selling stockholders have agreed to sell, collectively, 3,576,623 shares of common stock. In addition, the Company has granted the underwriters a 30-day option to purchase up to an additional 1,050,000 shares of common stock, and certain of the selling stockholders, collectively, have granted the underwriters a 30-day option to purchase up to an additional 533,153 shares of common stock, all at the public offering price less the underwriting discount. Acadia intends to use the proceeds from this offering principally to fund its acquisition strategy, particularly the planned acquisitions of Behavioral Centers of America, LLC and AmiCare Behavioral Centers, LLC, and otherwise for general corporate purposes, which may include the repayment of debt under its senior secured credit facility. Acadia will not receive any proceeds from the sale of shares by the selling stockholders. BofA Merrill Lynch, Citigroup and Jefferies & Company, Inc. are acting as joint book-running managers for the offering, and RBC Capital Markets, Raymond James & Associates, Inc. and Avondale Partners, LLC are acting as co-managers. The offering will be made only by means of a written prospectus, copies of which may be obtained by contacting: BofA Merrill Lynch, 222 Broadway, New York, New York 10038, Attn: Prospectus Department or email: firstname.lastname@example.org; Citigroup, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717 (tel: 800-831-9146) or email: BATProspectusdept@citi.com; or from Jefferies & Company, Inc., 520 Madison Ave., 12th Floor, New York, NY 10022, Attn: Equity Syndicate Prospectus Department or telephone (877) 547-6340 or email Prospectus_Department@Jefferies.com. The shares of common stock are being sold pursuant to the Company’s existing effective shelf registration statement on file with the Securities and Exchange Commission. This press release shall not constitute an offer to sell or a solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such an offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.