X0303 4 2009-05-11 0 0001022345 MARINER ENERGY INC ME 0001158641 CRAIN ALAN R JR 3620 DEL MONTE DRIVE HOUSTON TX 77019 1 0 0 0 Common Stock 2009-05-11 4 A 0 11169 A 29299 D Shares of restricted stock granted on May 11, 2009 under the issuer's Stock Incentive Plan, as amended and restated from time to time. 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 May 8, 2009 of $13.43. Alan R. Crain, Jr. by Teresa G. Bushman pursuant to Power of Attorney dated April 1, 2006 (previously filed as Exhibit 24 to Mr. Crain's Form 3 filed on April 4, 2006). 2009-05-11