LAS VEGAS, NV -- (Marketwire) -- 07/20/09 -- Ameristar Casinos, Inc. (NASDAQ: ASCA) plans to release its second quarter 2009 financial results at 9 a.m. EDT on Wednesday, Aug. 5, 2009. A conference call discussing the Company's quarterly earnings will follow at 11 a.m. EDT.

The call may be accessed live by dialing (888) 694-4728 toll-free domestically, or (973) 582-2745, and referencing conference ID number 19319239. Conference call participants are requested to dial in at least five minutes early to ensure a prompt start.

Interested parties wishing to listen to the conference call and view corresponding informative slides on the Internet may do so live at our web site -- www.ameristar.com -- by clicking on "About Us/Investor Relations" and selecting the "Webcasts and Events" link. A PDF copy of the slides will be available in the corresponding "Earnings Releases" section one-half hour before the conference call.

In addition, the call will be recorded and can be replayed from Aug. 5, 2009 at 2:30 p.m. EDT until Aug. 19, 2009 at 11:59 p.m. EDT. To listen to the replay, call toll-free domestically (800) 642-1687, or (706) 645-9291, and reference the conference ID number above.

About Ameristar

Ameristar Casinos, Inc. is a leading Las Vegas-based gaming and entertainment company known for its premier properties characterized by innovative architecture, state-of-the-art casino floors and superior dining, lodging and entertainment offerings. Ameristar's focus on the total entertainment experience and the highest-quality guest service has earned it leading positions in the markets in which it operates. Founded in 1954 in Jackpot, Nev., Ameristar has been a public company since November 1993. The Company has a portfolio of eight casinos in seven markets: Ameristar Casino Resort Spa St. Charles (greater St. Louis); Ameristar Casino Hotel East Chicago (Chicagoland area); Ameristar Casino Hotel Kansas City; Ameristar Casino Hotel Council Bluffs (Omaha, Neb., and southwestern Iowa); Ameristar Casino Hotel Vicksburg (Jackson, Miss., and Monroe, La.); Ameristar Casino Black Hawk (Denver metropolitan area); and Cactus Petes Resort Casino and The Horseshu Hotel and Casino in Jackpot, Nev. (Idaho and the Pacific Northwest).

Visit Ameristar Casinos' web site at www.ameristar.com (which shall not be deemed to be incorporated in or a part of this news release).