8-K

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of Earliest Event Reported): June 9, 2006

Ameristar Casinos, Inc.

(Exact name of registrant as specified in its charter)

Nevada	000-22494	880304799
(State or other jurisdiction of incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

3773 Howard Hughes Parkway, Suite 490S, Las Vegas, Nevada	89109
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: (702) 567-7000

Not Applicable

Former name or former address, if changed since last report

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (See General Instruction A.2. below):

[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

TABLE OF CONTENTS

	Item 5.02. Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers.
	Item 9.01 Financial Statements and Exhibits.
SIGNATURES
EXHIBIT INDEX
Exhibit 99.1

Item 5.02. Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers.

(b)   On June 9, 2006, Angela R. Frost, Senior Vice President of Operations of the Registrant, notified the Registrant of her retirement, effective July 7, 2006. A copy of a press release issued by the Registrant on June 12, 2006 announcing Ms. Frost’s retirement is filed as Exhibit 99.1 to this report.

Item 9.01 Financial Statements and Exhibits.

(c)   Exhibits.

Exhibit	Description
99.1	Press release of the Registrant, dated June 12, 2006.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	Ameristar Casinos, Inc.
June 13, 2006	By:	/s/ Peter C. Walsh
		Name:	Peter C. Walsh
		Title:	Senior Vice President and General Counsel

EXHIBIT INDEX

Exhibit	Description
99.1	Press release of the Registrant, dated June 12, 2006.

EX-99.1

EXHIBIT 99.1

CONTACT:

Tom Steinbauer
Senior Vice President of Finance, Chief Financial Officer
Ameristar Casinos, Inc.
(702) 567-7000

AMERISTAR CASINOS ANNOUNCES RETIREMENT OF ANGELA R. FROST

Las Vegas, Nevada, June 12, 2006–Ameristar Casinos, Inc. (Nasdaq-NMS: ASCA) announced today that Angela R. Frost, Ameristar’s Senior Vice President of Operations, has notified the Company of her retirement effective July 7, 2006. Ms. Frost is relocating to Southern Idaho to pursue a new business venture with her family. She has agreed to continue to provide consulting services to Ameristar on a part-time basis.

Craig H. Neilsen, Chairman and CEO, stated: “I am very appreciative of Angie’s 22 years of dedication and service to Ameristar and wish her well on her retirement. We will miss her very much, but are delighted that she will continue to work with us on a consulting basis.”

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).

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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).