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 2005-06-15 4 P 0 L 1014.565 25.650 A Common Stock 1014.565 16694.618 D Phantom Stock 2005-06-15 4 P 0 L 85.892 25.650 A Common Stock 85.892 16780.510 D Phantom Stock 2005-06-30 4 P 0 L 80.671 27.310 A Common Stock 80.671 16861.181 D Phantom Stock 2005-07-15 4 P 0 L 80.172 27.480 A Common Stock 80.172 16941.353 D Phantom Stock 2005-07-31 4 P 0 L 79.997 27.540 A Common Stock 79.997 17021.350 D Phantom Stock 2005-08-15 4 P 0 L 77.575 28.400 A Common Stock 77.575 17098.925 D Phantom Stock 2005-08-31 4 P 0 L 73.955 29.790 A Common Stock 73.955 17172.880 D Phantom Stock 2005-09-15 4 P 0 L 72.639 30.330 A Common Stock 72.639 17245.518 D Phantom Stock 2005-09-30 4 P 0 L 68.274 32.270 A Common Stock 68.274 17313.793 D Phantom Stock 2005-10-15 4 P 0 L 75.556 29.160 A Common Stock 75.556 17389.349 D Phantom Stock 2005-10-31 4 P 0 L 77.197 28.540 A Common Stock 77.197 17466.546 D Phantom Stock 2005-11-15 4 P 0 L 69.612 31.650 A Common Stock 69.612 17536.158 D Phantom Stock 2005-11-30 4 P 0 L 66.004 33.380 A Common Stock 66.004 17602.162 D Phantom Stock 2005-12-15 4 P 0 L 68.915 31.970 A Common Stock 68.915 17671.077 D Phantom Stock 2005-12-31 4 P 0 L 74.383 29.620 A Common Stock 74.383 17745.460 D Phantom Stock 2006-01-15 4 P 0 L 68.719 32.060 A Common Stock 68.719 17814.179 D Phantom Stock 2006-01-31 4 P 0 L 67.250 32.760 A Common Stock 67.250 17881.429 D Phantom Stock 2006-02-15 4 P 0 L 76.524 28.790 A Common Stock 76.524 17957.953 D Phantom Stock 2006-02-28 4 P 0 L 80.347 27.420 A Common Stock 80.347 18038.301 D Phantom Stock 2006-03-15 4 P 0 L 82.514 26.700 A Common Stock 82.514 18120.815 D Phantom Stock 2006-03-17 4 P 0 L 2642.771 27.010 A Common Stock 2642.771 20763.586 D Phantom Stock 2006-03-17 4 P 0 L 69.419 27.010 A Common Stock 69.419 20833.005 D Phantom Stock 2006-03-31 4 P 0 L 92.738 27.800 A Common Stock 92.738 20925.743 D Phantom Stock 2006-04-15 4 P 0 L 97.141 26.540 A Common Stock 97.141 21022.884 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