Press Release

FRANKLIN, Tenn., Dec 05, 2011 (BUSINESS WIRE) -- Acadia Healthcare Company, Inc. ("Acadia" or the "Company") (NASDAQ: ACHC) today announced a public offering of 8,333,333 shares of its common stock, pursuant to a registration statement filed with the Securities and Exchange Commission (the "SEC"). Acadia will grant the underwriters an option to acquire an additional 1,249,999 shares to cover over-allotments, if any. All of the shares in the offering will be sold by Acadia.

Jefferies & Company, Inc. and Citigroup will serve as joint book-running managers in the offering. Raymond James & Associates, Inc., RBC Capital Markets, LLC and Avondale Partners, LLC are acting as co-managers.

A registration statement, including a preliminary prospectus, relating to these securities has been filed with the SEC but has not yet become effective. These securities may not be sold nor may offers to buy be accepted prior to the time that the registration statement becomes effective. Copies of the registration statement and preliminary prospectus can be accessed through the SEC's website at http://www.sec.gov. This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation, or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

The proposed offering will be made only by means of a prospectus. Copies of the preliminary prospectus related to the offering may be obtained from Jefferies & Company, Inc. at 520 Madison Avenue, 12th Floor, New York, NY, 10022, Attention: Equity Syndicate Prospectus Department, by calling (877) 547-6340 or by emailing Prospectus_Department@Jefferies.com or from Citigroup, Brooklyn Army Terminal, 140 58th Street, 8th Floor, Brooklyn, New York, 11220, Attention: Prospectus Department, by calling (800) 831-9146 or by emailing batprospectusdept@citi.com.

About Acadia

Founded in December 2005, Acadia is a provider of inpatient behavioral health care services. Acadia operates a network of 34 behavioral health facilities with approximately 1,950 licensed beds in 18 states. Acadia provides psychiatric and chemical dependency services to its patients in a variety of settings, including inpatient psychiatric hospitals, residential treatment centers, outpatient clinics and therapeutic school-based programs.

Forward-Looking Statements

This press release includes "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. These statements include but are not limited to our plans, objectives, expectations and intentions and other statements that contain words such as "expects," "contemplates," "anticipates," "plans," "intends," "believes" and variations of such words or similar expressions that predict or indicate future events or trends, or that do not relate to historical matters. These statements are based on our current beliefs or expectations and are inherently subject to significant uncertainties and changes in circumstances, many of which are beyond our control. There can be no assurance that our beliefs or expectations will be achieved. Actual results may differ materially from our beliefs or expectations due to economic, business, competitive, market and regulatory factors.

Although Acadia believes that the expectations reflected in the forward looking statements are reasonable, it cannot guarantee that it will effect the proposed public offering. Accordingly, you should not place undue reliance on these forward-looking statements.

SOURCE: Acadia Healthcare Company, Inc.

Acadia Healthcare Company, Inc.
Brent Turner, Co-President, 615-861-6000