On August 6, 2008, the registrant issued a press release announcing its unaudited earnings and results of operations for three and six months ended June 30, 2008. A copy of the press release is attached hereto as Exhibit 99.1 to this Current Report on Form 8-K and incorporated herein by reference.

The information in this report shall not be deemed "filed" for purposes of
Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act") or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly stated by specific reference to such filing.

(d) Exhibits.

     Exhibit
     Number    Exhibit Title
     99.1      Press Release of Rex Energy Corporation dated August 6, 2008.