Louisiana Gaming Control Board Approves Acquisition of Ameristar Casinos by Pinnacle Entertainment

Louisiana Gaming Control Board Approves Acquisition of Ameristar Casinos by
Pinnacle Entertainment

LAS VEGAS, July 18, 2013 (GLOBE NEWSWIRE) -- Pinnacle Entertainment (NYSE:PNK)
announced today that the Louisiana Gaming Control Board unanimously approved
the Company's proposed acquisition of Ameristar Casinos, Inc. and the transfer
of interest in the Ameristar Casino Lake Charles development project.
Completion of the transaction remains subject to the receipt of additional
required regulatory approvals and customary closing conditions.

Anthony Sanfilippo, Chief Executive Officer of Pinnacle Entertainment,
commented, "We thank the Louisiana Gaming Control Board for its diligence in
reviewing and approving our proposed acquisition of Ameristar Casinos and for
permitting the transfer of interests in the Ameristar Casino Lake Charles
development project.This clearance represents one of the last two remaining
state regulatory agency approvals needed to complete the acquisition, while
also paving the regulatory path necessary for us to ultimately divest
Ameristar's Lake Charles development project and address the Federal Trade
Commission's anti-trust concerns in that market.Consideration of the
acquisition and related matters will be on the agenda at next week's Missouri
Gaming Commission meeting, and if approval is obtained, we will have the last
remaining state regulatory agency clearance in hand.

"Since reaching an agreement in principle on proposed divestiture remedies
with the FTC's Bureau of Competition staff in June, we have made significant
progress in negotiating a formal consent order.We anticipate a consent order
that details the terms and conditions of the required divestitures in Lake
Charles and St. Louis to be approved by the FTC in early August.Subject to
receiving Missouri Gaming Commission approval, finalizing the consent order
with the FTC and other customary closing conditions, we expect to complete the
transaction in August 2013," Mr. Sanfilippo concluded.

About Pinnacle Entertainment

Pinnacle Entertainment, Inc. owns and operates seven casinos, located in
Louisiana, Missouri, and Indiana, and a racetrack in Ohio.In addition,
Pinnacle is redeveloping River Downs in Cincinnati, Ohio into a gaming
entertainment facility, owns a minority interest in Asian Coast Development
(Canada) Ltd., an international development and real estate company currently
developing Vietnam's first large-scale integrated resort on the Ho Tram Strip,
and holds a majority interest in the racing license owner, as well as a
management contract, for Retama Park Racetrack outside of San Antonio, Texas.

On December20, 2012, Pinnacle agreed to acquire Ameristar Casinos, Inc. in an
all cash transaction valued at $26.50 per Ameristar share or total
consideration of $2.8 billion including assumed debt.Ameristar owns and
operates casino facilities in St. Charles near St. Louis, Mo.; Kansas City,
Mo.; Council Bluffs, Iowa; Black Hawk, Colo.; Vicksburg, Miss.; East Chicago,
Ind.; and the Jackpot properties in Jackpot, Nev.

Important Information Regarding Forward-Looking Statements

Forward-Looking Statements

This press release contains forward-looking statements within the meaning of
the Private Securities Litigation Reform Act of 1995. These forward-looking
statements are based on Pinnacle's current expectations and are subject to
uncertainty and changes in circumstances. These forward-looking statements
include, among others, statements regarding the completion of the transaction.
There is no assurance that the potential transaction will be consummated, and
there are a number of risks and uncertainties that could cause actual results
to differ materially from the forward-looking statements made herein. These
risks and uncertainties include (a) the timing to consummate a potential
transaction between Pinnacle and Ameristar may be delayed based on
circumstances beyond Pinnacle's control, including the ability of Pinnacle to
reach a resolution with the Federal Trade Commission ("Commission"); (b) the
ability and timing to complete the dispositions proposed as part of the effort
to reach a resolution with the Commission; (c) the ability and timing to
obtain required regulatory approvals and satisfy or waive other closing
conditions; (d) the possibility that the merger does not close when expected
or at all, or that the companies may be required to modify aspects of the
merger to achieve regulatory approval; (e) the requirement to satisfy closing
conditions to the merger as set forth in the merger agreement; (f) Pinnacle's
ability to obtain financing on the terms expected, or at all; and (g) the risk
factors disclosed in Pinnacle's most recent Annual Report on Form 10-K, which
Pinnacle filed with the Securities and Exchange Commission on March 1, 2013
and in all reports on Forms 10-K, 10-Q and 8-K filed with the Securities and
Exchange Commission by Pinnacle subsequent to the filing of the Form 10-K for
the year ended December 31, 2012. Forward-looking statements reflect
Pinnacle's analysis as of the date of this press release. Pinnacle does not
undertake to revise these statements to reflect subsequent developments,
except as required under the federal securities laws. Readers are cautioned
not to place undue reliance on any of these forward-looking statements.

CONTACT: Investor Relations
         Vincent J. Zahn, CFA
         Vice President, Finance and Investor Relations
         702/541-7777 or investors@pnkmail.com
        
         Media Relations
         Kerry Andersen
         Director, Public Relations
         337/395-7631 or kandersen@pnkmail.com

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