X0303 5 2008-12-31 0 0 1 0001030749 GULFMARK OFFSHORE INC GLF 0001206112 LEECH JOHN E X1 0 1 0 0 Exec VP - Operations Phantom Stock 2004-05-31 4 P 0 L 146.375 13.450 A Common Stock 146.375 11431.634 D Phantom Stock 2004-06-15 4 P 0 L 128.136 14.450 A Common Stock 128.136 11559.770 D Phantom Stock 2004-06-30 4 P 0 L 117.337 15.780 A Common Stock 117.337 11677.107 D Phantom Stock 2004-07-15 4 P 0 L 119.920 15.440 A Common Stock 119.920 11797.027 D Phantom Stock 2004-07-31 4 P 0 L 1830.856 14.760 A Common Stock 1830.856 13627.883 D Phantom Stock 2004-08-15 4 P 0 L 144.592 13.940 A Common Stock 144.592 13772.475 D Phantom Stock 2004-08-31 4 P 0 L 132.432 15.220 A Common Stock 132.432 13904.907 D Phantom Stock 2004-09-15 4 P 0 L 122.679 16.430 A Common Stock 122.679 14027.586 D Phantom Stock 2004-09-30 4 P 0 L 123.430 16.330 A Common Stock 123.430 14151.016 D Phantom Stock 2004-10-15 4 P 0 L 119.479 16.870 A Common Stock 119.479 14270.495 D Phantom Stock 2004-10-31 4 P 0 L 104.625 19.265 A Common Stock 104.625 14375.120 D Phantom Stock 2004-11-15 4 P 0 L 103.100 19.550 A Common Stock 103.100 14478.220 D Phantom Stock 2004-11-30 4 P 0 L 96.858 20.810 A Common Stock 96.858 14575.078 D Phantom Stock 2004-12-15 4 P 0 L 103.048 19.560 A Common Stock 103.048 14678.126 D Phantom Stock 2004-12-31 4 P 0 L 90.508 22.270 A Common Stock 90.508 14768.634 D Phantom Stock 2005-01-15 4 P 0 L 95.663 21.070 A Common Stock 95.663 14864.298 D Phantom Stock 2005-01-31 4 P 0 L 82.170 24.530 A Common Stock 82.170 14946.467 D Phantom Stock 2005-02-15 4 P 0 L 79.606 25.320 A Common Stock 79.606 15026.073 D Phantom Stock 2005-02-28 4 P 0 L 74.077 27.210 A Common Stock 74.077 15100.150 D Phantom Stock 2005-03-15 4 P 0 L 85.227 23.650 A Common Stock 85.227 15185.377 D Phantom Stock 2005-03-31 4 P 0 L 77.793 25.910 A Common Stock 77.793 15263.170 D Phantom Stock 2005-04-15 4 P 0 L 83.394 24.170 A Common Stock 83.394 15346.564 D Phantom Stock 2005-04-30 4 P 0 L 90.064 22.380 A Common Stock 90.064 15436.628 D Phantom Stock 2005-05-15 4 P 0 L 88.173 22.860 A Common Stock 88.173 15524.800 D Phantom Stock 2005-05-31 4 P 0 L 155.252 25.060 A Common Stock 155.252 15680.053 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 2009-04-16