X0303 5 2008-12-31 0 0 1 0001030749 GULFMARK OFFSHORE INC GLF 0001206112 LEECH JOHN E X1 1 0 0 0 Phantom Stock 2006-04-30 4 P 0 L 27.4 94.092 A Common Stock 27.4 21116.976 D Phantom Stock 2006-05-15 4 P 0 L 99.465 25.92 A Common Stock 99.465 21216.441 D Phantom Stock 2006-05-31 4 P 0 L 102.469 25.16 A Common Stock 102.469 21318.910 D Phantom Stock 2006-06-15 4 P 0 L 100.787 25.58 A Common Stock 100.787 21419.697 D Phantom Stock 2006-06-30 4 P 0 L 99.811 25.83 A Common Stock 99.811 21519.508 D Phantom Stock 2006-07-15 4 P 0 L 100.551 25.64 A Common Stock 100.551 21620.059 D Phantom Stock 2006-07-31 4 P 0 L 81.329 31.7 A Common Stock 81.329 21701.388 D Phantom Stock 2006-08-15 4 P 0 L 81.380 31.68 A Common Stock 81.380 21782.768 D Phantom Stock 2006-08-31 4 P 0 L 84.946 30.35 A Common Stock 84.946 21867.714 D Phantom Stock 2006-09-15 4 P 0 L 88.171 29.24 A Common Stock 88.171 21955.885 D Phantom Stock 2006-09-30 4 P 0 L 80.971 31.84 A Common Stock 80.971 22036.857 D Phantom Stock 2006-10-15 4 P 0 L 78.482 32.850 A Common Stock 78.482 22115.338 D Phantom Stock 2006-10-31 4 P 0 L 74.663 34.53 A Common Stock 74.663 22190.002 D Phantom Stock 2006-11-15 4 P 0 L 67.828 38.01 A Common Stock 67.828 22257.829 D Phantom Stock 2006-11-30 4 P 0 L 64.021 40.27 A Common Stock 64.021 22257.829 D Phantom Stock 2006-12-15 4 P 0 L 66.964 38.50 A Common Stock 66.964 22257.829 D Phantom Stock 2006-12-31 4 P 0 L 68.915 37.41 A Common Stock 68.915 22457.730 D Phantom Stock 2007-01-15 4 P 0 L 76.775 33.580 A Common Stock 76.775 22534.505 D Phantom Stock 2007-01-31 4 P 0 L 71.396 36.110 A Common Stock 71.396 22605.901 D Phantom Stock 2007-02-15 4 P 0 L 69.924 36.870 A Common Stock 69.924 22675.825 D Phantom Stock 2007-02-28 4 P 0 L 74.650 39.560 A Common Stock 74.650 22750.475 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