ASCA A SPAC I Acquisition Corporation

Ameristar Casinos, Inc. (NASDAQ: ASCA) today announced that Senior Vice President of Government Relations and Public Affairs Troy Stremming has been named to lead the Company's public relations team. He will continue to be based at the Company's offices in Kansas City, Mo. Since 2000, Troy has been responsible for governmental and regulatory affairs for Ameristar's eight gaming properties and has assisted with evaluating and pursuing corporate development opportunities.

Each of the Company's seven property-level Public Relations Managers will continue to report directly to his or her respective property executive team, while indirectly reporting to Troy in day-to-day activities. The Public Relations Managers are responsible for external and internal communications, charitable giving and community relations at their properties. In addition, Ameristar is recruiting a Corporate Director of Communications who will report to Troy and will also be based in Kansas City. This position will be responsible for Company press releases and other external communications as well as media relations.

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).

Media Contact: Troy Stremming Senior Vice President of Government Relations and Public Affairs Ameristar Casinos, Inc. (816) 414-7106 Email Contact