X0303 5 2008-12-31 0 0 1 0001030749 GULFMARK OFFSHORE INC GLF 0001188791 MILLARD ROBERT B X1 1 0 0 0 Phantom Stock 2007-02-28 4 P 0 L 87.210 39.56 A Common Stock 87.210 9811.906 D Phantom Stock 2007-03-31 4 P 0 L 237.113 43.65 A Common Stock 237.113 10049.019 D Phantom Stock 2007-05-15 4 P 0 L 34.321 50.26 A Common Stock 34.321 10083.340 D Phantom Stock 2007-06-30 4 P 0 L 168.391 51.22 A Common Stock 168.391 10251.731 D Phantom Stock 2007-07-31 4 P 0 L 36.718 46.980 A Common Stock 36.718 10288.449 D Phantom Stock 2007-09-15 4 P 0 L 37.582 45.9 A Common Stock 37.582 10326.031 D Phantom Stock 2007-09-30 4 P 0 L 177.250 48.66 A Common Stock 177.250 10503.281 D Phantom Stock 2007-11-30 4 P 0 L 38.817 44.44 A Common Stock 38.817 10542.098 D Phantom Stock 2007-12-31 4 P 0 L 184.334 46.79 A Common Stock 184.334 10726.432 D Phantom Stock 2008-02-29 4 P 0 L 34.05 50.66 A Common Stock 34.05 10760.482 D Phantom Stock 2008-03-31 4 P 0 L 189.146 54.72 A Common Stock 189.146 10949.628 D Phantom Stock 2008-04-30 4 P 0 L 28.846 59.8 A Common Stock 28.846 10978.474 D Phantom Stock 2008-05-15 4 P 0 L 27.854 61.93 A Common Stock 27.854 11006.328 D Phantom Stock 2008-05-31 4 P 0 L 25.697 67.130 A Common Stock 25.697 11032.025 D Phantom Stock 2008-06-30 4 P 0 L 172.954 58.180 A Common Stock 172.954 11204.979 D Phantom Stock 2008-09-15 4 P 0 L 38.930 44.31 A Common Stock 38.930 11243.909 D Phantom Stock 2008-09-30 4 P 0 L 224.209 44.88 A Common Stock 224.209 11468.118 D Phantom Stock 2008-12-15 4 P 0 L 70.416 24.48 A Common Stock 70.416 11538.534 D Phantom Stock 2008-12-31 4 P 0 L 423.022 23.79 A Common Stock 423.022 11961.556 D Phantom Stock 2009-02-28 4 P 0 L 82.575 20.89 A Common Stock 82.575 12044.131 D Phantom Stock 2009-03-31 4 P 0 L 494.028 23.86 A Common Stock 494.028 12538.159 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/ Robert Millard 2009-04-16