X0303 5 2008-12-31 0 0 1 0001030749 GULFMARK OFFSHORE INC GLF 0001206112 LEECH JOHN E X1 1 0 0 0 Phantom Stock 2007-03-09 4 P 0 L 2003.240 41.67 A Common Stock 2003.240 24753.715 D Phantom Stock 2007-03-15 4 P 0 L 64.398 41.49 A Common Stock 64.398 24818.113 D Phantom Stock 2007-03-31 4 P 0 L 61.212 43.65 A Common Stock 61.212 24879.325 D Phantom Stock 2007-04-15 4 P 0 L 56.885 46.97 A Common Stock 56.885 24936.210 D Phantom Stock 2007-04-30 4 P 0 L 55.781 47.9 A Common Stock 55.781 24991.991 D Phantom Stock 2007-05-15 4 P 0 L 53.161 50.26 A Common Stock 53.161 25045.152 D Phantom Stock 2007-05-31 4 P 0 L 53.193 50.23 A Common Stock 53.193 25098.345 D Phantom Stock 2007-06-15 4 P 0 L 52.267 51.12 A Common Stock 52.267 25150.612 D Phantom Stock 2007-06-30 4 P 0 L 52.165 51.220 A Common Stock 52.165 25202.777 D Phantom Stock 2007-07-15 4 P 0 L 46.842 57.04 A Common Stock 46.842 25249.619 D Phantom Stock 2007-07-31 4 P 0 L 25306.492 46.98 A Common Stock 25306.492 25306.492 D Phantom Stock 2007-08-15 4 P 0 L 60.546 44.130 A Common Stock 60.546 25367.038 D Phantom Stock 2007-08-31 4 P 0 L 58.275 45.85 A Common Stock 58.275 25425.313 D Phantom Stock 2007-09-15 4 P 0 L 58.211 45.9 A Common Stock 58.211 25483.524 D Phantom Stock 2007-09-30 4 P 0 L 54.909 48.660 A Common Stock 54.909 25538.433 D Phantom Stock 2007-10-15 4 P 0 L 51.521 51.86 A Common Stock 51.521 25589.954 D Phantom Stock 2007-10-31 4 P 0 L 57.361 46.580 A Common Stock 57.361 25647.315 D Phantom Stock 2007-11-15 4 P 0 L 61.650 43.34 A Common Stock 61.650 25708.965 D Phantom Stock 2007-11-30 4 P 0 L 60.124 44.44 A Common Stock 60.124 25769.089 D Phantom Stock 2007-12-15 4 P 0 L 60.794 43.950 A Common Stock 60.794 25829.883 D Phantom Stock 2007-12-31 4 P 0 L 57.103 46.790 A Common Stock 57.103 25886.986 D Phantom Stock 2008-01-15 4 P 0 L 49.189 43.6 A Common Stock 49.189 25936.175 D Phantom Stock 2008-01-31 4 P 0 L 51.283 41.820 A Common Stock 51.283 25987.458 D Phantom Stock 2008-02-15 4 P 0 L 50.725 42.28 A Common Stock 50.725 26038.183 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 E. Leech 2009-04-17