Pinnacle Entertainment Underwriters' Exercise Option

LAS VEGAS – Pinnacle Entertainment, Inc. (NYSE: PNK) announced that the underwriters of its public offering which closed on Jan. 19, 2006 have exercised in full their option to acquire an additional 900,000 shares of common stock at $27.35 per share (less underwriting discounts and commissions) from Pinnacle to cover overallotments. The issuance of the overallotment shares will result in additional gross proceeds to Pinnacle of approximately $24.6 million from its common stock offering.

Copies of the prospectus supplement relating to the offering may be obtained from Lehman Brothers Inc., c/o ADP Financial Services, Prospectus Fulfillment, 1155 Long Island Avenue, Edgewood, NY 11717, 613-254-7106, or Linda Wegmann, Deutsche Bank Securities, 1251 Avenue of the Americas, Floor 25, New York, NY 10020, 212-474-7392.
2006-01-31