Summary of AMERISTAR CASINOS INC

Item 5.07. Submission of Matters to a Vote of Security Holders.

(a) The 2012 Annual Meeting of Stockholders (the "Annual Meeting") of Ameristar Casinos, Inc. (the "Company") was held on June 13, 2012.

(b) The following table shows the tabulation of votes for all matters put to vote at the Annual Meeting.

                                                                                           Broker
          Matters Put to Vote                 For       Against/Withheld   Abstentions    Non-Votes
Election of Thomas M. Steinbauer as a
Class B Director                           26,000,587          2,038,065             0    1,974,054
Election of Leslie Nathanson Juris as a
Class B Director                           27,770,737            267,915             0    1,974,054
Proposal to ratify the selection of
Ernst & Young LLP as the Company's
independent registered public accounting
firm for 2012                              29,669,225            334,848         8,633            0
Proposal to reapprove the Company's
Performance-Based Annual Bonus Plan        27,758,640            259,646        20,366    1,974,054
Proposal to approve, on an advisory
basis, the compensation of the Company's
named executive officers                   27,707,992            309,708        20,952    1,974,054