Oklahoma City, Oklahoma – June 25, 2007 – SandRidge Energy, Inc. ("SandRidge") announced that it has filed a registration statement with the U.S. Securities and Exchange Commission for an initial public offering of its common shares.

SandRidge is an independent natural gas and oil company concentrating in exploration, development and production activities. SandRidge also owns and operates drilling rigs and a related oil field services business operating under the Lariat Services Inc. brand name; gas gathering, marketing and processing facilities; and, through its subsidiary PetroSource Energy Company, CO2 treating and transportation facilities and tertiary oil recovery operations.

Lehman Brothers Inc., Goldman, Sachs & Co. and Banc of America Securities LLC will act as joint book-running managers and representatives of the underwriters.  A written prospectus meeting the requirements of Section 10 of the Securities Act of 1933, when available, may be obtained from (i) Lehman Brothers Inc., c/o Broadridge Prospectus Fulfillment, 1155 Long Island Avenue, Edgewood, NY 11717, via fax at 631-254-7268 or via email at Qiana.Smith@Broadridge.com; (ii) Goldman, Sachs & Co., Attn: Prospectus Department, 85 Broad Street, New York, NY 10004, via fax at 212-902-9316 or via e-mail at prospectus-ny@ny.email.gs.com; or (iii) Banc of America Securities LLC, Prospectus Department, 100 West 33rd Street, 3rd Floor, New York, NY 10001, via phone at 800-294-1322 or via email at dg.prospectus_distribution@bofasecurities.com.

A registration statement relating to these securities has been filed with the Securities and Exchange Commission but has not yet become effective. The securities may not be sold, nor may offers to buy be accepted, prior to the time the registration statement becomes effective. This news release does not constitute an offer to sell or the solicitation of an offer to buy any securities issuable pursuant to the registration statement, nor will there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

The statements in this press release that are not historical facts may be forward-looking statements. These forward-looking statements involve risks and uncertainties that could cause the outcome to be materially different.