X0202 4 2008-04-30 0 0001022345 MARINER ENERGY INC ME 0001055414 GREENE JOHN F ONE BRIARLAKE PLAZA, SUITE 2000 2000 WEST SAM HOUSTON PARKWAY SOUTH HOUSTON TX 77042 1 0 0 0 Common Stock 2008-04-30 4 A 0 5308 A 27440 D Shares of restricted stock granted on April 30, 2008 under the issuer's Second Amended and Restated Stock Incentive Plan. The shares vest one-third on each of the next three regularly-scheduled annual meetings of the issuer's stockholders following the date of grant. The number of shares granted was determined by reference to the closing price per share of the issuer's common stock on the New York Stock Exchange on April 29, 2008 of $28.26. John F. Greene by Teresa G. Bushman pursuant to Power of Attorney dated March 1, 2006 (previously filed as Exhibit 24 to Mr. Greene's Form 4 filed on March 6, 2006). 2008-05-02