X0303 5 2008-12-31 0 0 0 0001030749 GULFMARK OFFSHORE INC GLF 0001391071 Kneen Quintin X1 1 0 0 0 Phantom Stock 2008-06-15 5 P 0 25.599 64.670 A Common Stock 25.599 25.599 D Phantom Stock 2008-06-30 5 P 0 28.455 58.180 A Common Stock 28.455 54.054 D Phantom Stock 2008-07-15 5 P 0 30.834 53.690 A Common Stock 30.834 84.888 D Phantom Stock 2008-07-31 5 P 0 32.991 50.180 A Common Stock 32.991 117.879 D Phantom Stock 2008-08-15 5 P 0 34.619 47.820 A Common Stock 34.619 152.498 D Phantom Stock 2008-08-31 5 P 0 33.044 50.100 A Common Stock 33.044 185.542 D Phantom Stock 2008-09-15 5 P 0 37.362 44.310 A Common Stock 37.362 222.904 D Phantom Stock 2008-09-30 5 P 0 36.887 44.880 A Common Stock 36.887 259.791 D Phantom Stock 2008-10-15 5 P 0 56.968 29.060 A Common Stock 56.968 316.759 D Phantom Stock 2008-10-31 5 P 0 44.743 37.000 A Common Stock 44.743 361.502 D Phantom Stock 2008-11-15 5 P 0 58.354 28.370 A Common Stock 58.354 419.856 D Phantom Stock 2008-11-30 5 P 0 58.498 28.300 A Common Stock 58.498 478.354 D Phantom Stock 2008-12-15 5 P 0 67.627 24.480 A Common Stock 67.627 545.981 D Phantom Stock 2008-12-31 5 P 0 69.588 23.790 A Common Stock 69.588 615.569 D Phantom Stock 2009-01-15 5 P 0 102.371 26.100 A Common Stock 102.371 717.940 D Phantom Stock 2009-01-31 5 P 0 111.608 23.940 A Common Stock 111.608 829.548 D Phantom Stock 2009-02-15 5 P 0 102.019 26.190 A Common Stock 102.019 931.567 D Phantom Stock 2009-02-28 5 P 0 127.903 20.890 A Common Stock 127.903 1059.470 D Phantom Stock 2009-03-15 5 P 0 142.501 18.750 A Common Stock 142.501 1201.971 D Phantom Stock 2009-03-15 5 P 0 2566.667 18.750 A Common Stock 2566.667 3768.638 D Phantom Stock 2009-03-31 5 P 0 111.981 23.860 A Common Stock 111.981 3880.619 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/ Quintin Kneen 2009-04-16