X0303 5 2008-12-31 0 0 1 0001030749 GULFMARK OFFSHORE INC GLF 0001208615 GIMBEL LOUIS S III X1 1 0 0 0 Phantom Stock 2006-09-30 4 P 0 L 214.353 31.84 A Common Stock 214.353 2548.262 D Phantom Stock 2006-11-15 4 P 0 L 25.651 38.01 A Common Stock 25.651 2573.913 D Phantom Stock 2006-12-15 4 P 0 L 50.649 38.50 A Common Stock 50.649 2624.562 D Phantom Stock 2006-12-31 4 P 0 L 130.313 37.41 A Common Stock 130.313 2754.875 D Phantom Stock 2007-01-31 4 P 0 L 27.000 36.110 A Common Stock 27.000 2781.875 D Phantom Stock 2007-02-28 4 P 0 L 49.293 39.560 A Common Stock 49.293 2831.168 D Phantom Stock 2007-03-31 4 P 0 L 156.357 43.650 A Common Stock 156.357 2987.525 D Phantom Stock 2007-05-15 4 P 0 L 38.798 50.260 A Common Stock 38.798 3026.323 D Phantom Stock 2007-06-30 4 P 0 L 95.178 51.220 A Common Stock 95.178 3121.501 D Phantom Stock 2007-07-31 4 P 0 L 20.754 46.980 A Common Stock 20.754 3142.255 D Phantom Stock 2007-09-15 4 P 0 L 21.242 45.900 A Common Stock 21.242 3163.497 D Phantom Stock 2007-09-30 4 P 0 L 100.185 48.660 A Common Stock 100.185 3263.682 D Phantom Stock 2007-11-30 4 P 0 L 43.879 44.440 A Common Stock 43.879 3307.561 D Phantom Stock 2007-12-31 4 P 0 L 104.189 46.790 A Common Stock 104.189 3411.750 D Phantom Stock 2008-02-29 4 P 0 L 19.246 50.660 A Common Stock 19.246 3430.996 D Phantom Stock 2008-03-31 4 P 0 L 124.726 54.720 A Common Stock 124.726 3555.722 D Phantom Stock 2008-04-30 4 P 0 L 16.305 59.800 A Common Stock 16.305 3572.027 D Phantom Stock 2008-05-15 4 P 0 L 31.487 61.930 A Common Stock 31.487 3603.514 D Phantom Stock 2008-05-31 4 P 0 L 14.524 67.130 A Common Stock 14.524 3618.038 D Phantom Stock 2008-06-30 4 P 0 L 97.756 58.180 A Common Stock 97.756 3715.794 D Phantom Stock 2008-09-15 4 P 0 L 44.009 44.310 A Common Stock 44.009 3759.803 D Phantom Stock 2008-09-30 4 P 0 L 126.727 44.880 A Common Stock 126.727 3886.530 D Phantom Stock 2008-12-15 4 P 0 L 79.657 24.480 A Common Stock 79.657 3966.187 D Phantom Stock 2008-12-31 4 P 0 L 239.070 23.790 A Common Stock 239.070 4205.257 D Phantom Stock 2009-02-28 4 P 0 L 46.673 20.890 A Common Stock 46.673 4251.930 D Phantom Stock 2009-03-31 4 P 0 L 320.096 23.860 A Common Stock 320.096 4572.026 D On reviewing the Section 16 reporting requirements relating to GulfMark Offshore, Inc.'s Executive Nonqualified Excess Plan, it was determined that the phantom stock units created by the deferral of compensation by both officers and directors should have been reported as a derivative security by the officer/director once the phantom stock unit was allocated to his account. This filing reports all transactions related to the phantom stock units in the plan allocated to the individual from his point of entry into the plan through March 31, 2009. Each phantom stock unit is the economic equivalent of one share of common stock. Subject to the provisions of the plan, the phantom stock units become payable only in common stock upon the officer/director's termination of service /s/ Louis Gimbel III 2009-04-16