X0202 4 2006-05-31 0001022345 MARINER ENERGY INC ME 0001351486 VAN DEN BOLD MIKE C ONE BRIARLAKE PLAZA, SUITE 2000 2000 WEST SAM HOUSTON PARKWAY SOUTH HOUSTON TX 77042 0 1 0 0 Sr VP & Chief Expl. Officer Common Stock 2006-05-31 4 D 0 82642 D 197560 D Employee Stock Option (right to buy) 14 2015-03-11 Common Stock 74000 74000 D On May 31, 2006, shares of the issuer's common stock granted to the reporting person under the issuer's Equity Participation Plan, as amended (the "Plan"), fully vested. To satisfy withholding tax obligations in connection with the vesting, the issuer withheld the shares this Form reports were disposed. In accordance with the Plan, the number of shares withheld was determined by reference to the closing price per share of the issuer's common stock on the New York Stock Exchange on May 30, 2006 of $16.45. The option becomes exercisable in three equal annual installments beginning March 11, 2006. Mike C. van den Bold by Teresa G. Bushman pursuant to Power of Attorney dated March 1, 2006 and filed herewith as Exhibit 24. 2006-05-31