As Of                Filer                Filing    For·On·As Docs:Size              Issuer               Agent

 4/22/08  Sirios Capital Management LP      SC 13G                 2:201K Ameristar Casinos Inc             Merrill Corp-MD/FA
          John F. Brennan, Jr.
          Sirios Associates, L.L.C.
          Sirios Capital Partners II, L.P.
          Sirios Capital Partners, L.P.
          Sirios Focus Partners, L.P.
          Sirios Overseas Fund, Ltd.
          Sirios/QP Partners, L.P.
          Vitruvius Sicav

Document/Exhibit                   Description                      Pages   Size 

 1: SC 13G      Statement of Beneficial Ownership                   HTML    127K 
 2: EX-1        Underwriting Agreement                              HTML      8K 

Exhibit 1

 

AGREEMENT

 

Each of the undersigned, pursuant to Rule 13d-1(k)(l) under the Securities Exchange Act of 1934, as amended, hereby agrees that only one statement containing the information required by Schedule 13G need be filed with respect to the ownership by each of the undersigned of the shares of Common Stock of Ameristar Casinos, Inc., and that the Schedule 13G to which this Agreement is appended as Exhibit 1 is to be filed with the Securities and Exchange Commission on behalf of each of the undersigned on or about the date hereof.

 

EXECUTED as a sealed instrument this 18^th day of April, 2008.

 

	/s/ John F. Brennan, Jr.
	John F. Brennan, Jr., individually, and as sole managing member of Sirios Associates, L.L.C., the general partner of Sirios Capital Management, L.P., the investment manager of Sirios Capital Partners, L.P., Sirios Capital Partners II, L.P., Sirios/QP Partners, L.P., Sirios Overseas Fund, Ltd., Sirios Focus Partners, L.P. and Vitruvius SICAV.

 

 

 

 

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