Ameristar Casinos Declares Cash Dividend

Ameristar Casinos, Inc. (Nasdaq: ASCA) today announced that its Board of Directors has declared a quarterly cash dividend of $.09375 per share, payable on December 15, 2006 to stockholders of record as of November 30, 2006.

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 a leading market share position in each of the markets in which it operates. Founded in 1954 in Jackpot, Nevada, Ameristar has been a public company since November 1993. The company has a portfolio of seven casinos in six markets: Ameristar St. Charles (greater St. Louis); Ameristar Kansas City; Ameristar Council Bluffs (Omaha, Nebraska and southwestern Iowa); Ameristar Vicksburg (Jackson, Mississippi and Monroe, Louisiana); Ameristar Black Hawk (Denver metropolitan area); and Cactus Petes and the Horseshu in Jackpot, Nevada (Idaho and the Pacific Northwest).

Visit Ameristar Casinos' web site at http://www.ameristar.com

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