X0303 5 2008-12-31 0 0 1 0001030749 GULFMARK OFFSHORE INC GLF 0001206112 LEECH JOHN E X1 1 1 0 0 Executive V.P.-Operations Phantom Stock 2008-02-29 4 P 0 L 54.217 50.66 A Common Stock 54.217 26092.4 D Phantom Stock 2008-03-04 4 P 0 L 1381.022 55.34 A Common Stock 1381.022 27473.422 D Phantom Stock 2008-03-15 4 P 0 L 54.537 52.43 A Common Stock 54.537 27527.959 D Phantom Stock 2008-03-31 4 P 0 L 52.253 54.72 A Common Stock 52.253 27580.212 D Phantom Stock 2008-04-15 4 P 0 L 48.945 58.42 A Common Stock 48.945 27629.157 D Phantom Stock 2008-04-30 4 P 0 L 47.815 59.8 A Common Stock 47.815 27676.972 D Phantom Stock 2008-05-15 4 P 0 L 46.171 61.930 A Common Stock 46.171 27723.143 D Phantom Stock 2008-05-31 4 P 0 L 42.594 67.13 A Common Stock 42.594 27765.737 D Phantom Stock 2008-06-15 4 P 0 L 44.215 64.67 A Common Stock 44.215 27809.52 D Phantom Stock 2008-06-30 4 P 0 L 49.147 58.18 A Common Stock 49.147 27859.099 D Phantom Stock 2008-07-15 4 P 0 L 53.257 53.69 A Common Stock 53.257 27912.356 D Phantom Stock 2008-07-31 4 P 0 L 56.982 50.180 A Common Stock 56.982 27969.338 D Phantom Stock 2008-08-15 4 P 0 L 59.794 47.82 A Common Stock 59.794 28029.132 D Phantom Stock 2008-08-31 4 P 0 L 57.073 50.1 A Common Stock 57.073 28086.205 D Phantom Stock 2008-09-15 4 P 0 L 64.531 44.31 A Common Stock 64.531 28150.736 D Phantom Stock 2008-09-30 4 P 0 L 63.711 44.88 A Common Stock 63.711 28214.447 D Phantom Stock 2008-10-15 4 P 0 L 98.395 29.060 A Common Stock 98.395 28312.842 D Phantom Stock 2008-10-31 4 P 0 L 77.280 37 A Common Stock 77.280 28390.122 D Phantom Stock 2008-11-15 4 P 0 L 100.788 28.37 A Common Stock 100.788 28490.91 D Phantom Stock 2008-11-30 4 P 0 L 101.037 28.3 A Common Stock 101.037 28591.947 D Phantom Stock 2008-12-15 4 P 0 L 116.804 24.48 A Common Stock 116.804 28708.751 D Phantom Stock 2008-12-31 4 P 0 L 120.193 23.790 A Common Stock 120.193 28828.944 D Phantom Stock 2009-01-15 4 P 0 L 109.554 26.100 A Common Stock 109.554 28938.498 D Phantom Stock 2009-01-31 4 P 0 L 119.439 23.940 A Common Stock 119.439 29057.937 D Phantom Stock 2009-02-15 4 P 0 L 109.178 26.190 A Common Stock 109.178 29167.115 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/ John Leech 2009-04-17