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 2003-11-30 4 P 0 L 17.819 14.030 A Common Stock 17.819 857.724 D Phantom Stock 2003-12-15 4 P 0 L 18.519 13.500 A Common Stock 18.519 876.243 D Phantom Stock 2003-12-31 4 P 0 L 111.608 14.000 A Common Stock 111.608 987.851 D Phantom Stock 2004-03-15 4 P 0 L 16.338 15.300 A Common Stock 16.338 1004.189 D Phantom Stock 2004-03-31 4 P 0 L 99.459 15.710 A Common Stock 99.459 1103.648 D Phantom Stock 2004-05-15 4 P 0 L 18.329 13.640 A Common Stock 18.329 1121.977 D Phantom Stock 2004-06-30 4 P 0 L 114.860 15.780 A Common Stock 114.860 1236.837 D Phantom Stock 2004-09-30 4 P 0 L 110.992 16.330 A Common Stock 110.992 1347.829 D Phantom Stock 2004-11-30 4 P 0 L 12.013 20.810 A Common Stock 12.013 1359.842 D Phantom Stock 2004-12-15 4 P 0 L 25.562 19.560 A Common Stock 25.562 1385.404 D Phantom Stock 2004-12-31 4 P 0 L 70.163 22.270 A Common Stock 70.163 1455.567 D Phantom Stock 2005-03-15 4 P 0 L 21.142 23.65 A Common Stock 21.142 1476.709 D Phantom Stock 2005-03-31 4 P 0 L 69.954 25.91 A Common Stock 69.954 1546.662 D Phantom Stock 2005-04-30 4 P 0 L 11.171 22.38 A Common Stock 11.171 1557.833 D Phantom Stock 2005-05-31 4 P 0 L 9.976 25.06 A Common Stock 9.976 1567.809 D Phantom Stock 2005-06-30 4 P 0 L 57.213 27.31 A Common Stock 57.213 1625.023 D Phantom Stock 2005-07-15 4 P 0 L 25.018 27.48 A Common Stock 25.018 1650.041 D Phantom Stock 2005-09-30 4 P 0 L 81.345 32.27 A Common Stock 81.345 1731.386 D Phantom Stock 2005-10-15 4 P 0 L 12.860 29.16 A Common Stock 12.860 1744.246 D Phantom Stock 2005-12-15 4 P 0 L 11.730 31.97 A Common Stock 11.730 1755.975 D Phantom Stock 2005-12-31 4 P 0 L 63.302 29.62 A Common Stock 63.302 1819.277 D Phantom Stock 2006-03-15 4 P 0 L 73.034 26.7 A Common Stock 73.034 1892.311 D Phantom Stock 2006-03-31 4 P 0 L 175.360 27.80 A Common Stock 175.360 2067.671 D Phantom Stock 2006-05-31 4 P 0 L 77.504 25.16 A Common Stock 77.504 2145.175 D Phantom Stock 2006-06-30 4 P 0 L 188.734 25.83 A Common Stock 188.734 2333.909 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