X0303 5 2008-12-31 0 0 1 0001030749 GULFMARK OFFSHORE INC GLF 0001206112 LEECH JOHN E X1 1 1 0 0 Executive V.P.-Operations Phantom Stock 2003-05-15 4 P 0 L 108.806 15.94 A Common Stock 108.806 8508.635 D Phantom Stock 2003-05-31 4 P 0 L 95.869 18.091 A Common Stock 95.869 8604.504 D Phantom Stock 2003-06-15 4 P 0 L 97.327 17.82 A Common Stock 97.327 8701.831 D Phantom Stock 2003-06-30 4 P 0 L 103.420 16.77 A Common Stock 103.420 8805.251 D Phantom Stock 2003-07-15 4 P 0 L 103.174 16.81 A Common Stock 103.174 8908.425 D Phantom Stock 2003-07-31 4 P 0 L 123.004 14.1 A Common Stock 123.004 9031.429 D Phantom Stock 2003-08-15 4 P 0 L 123.53 14.04 A Common Stock 123.53 9154.959 D Phantom Stock 2003-08-31 4 P 0 L 123.883 14 A Common Stock 123.883 9278.842 D Phantom Stock 2003-09-15 4 P 0 L 123.883 14 A Common Stock 123.883 9402.725 D Phantom Stock 2003-09-30 4 P 0 L 122.310 14.18 A Common Stock 122.310 9525.035 D Phantom Stock 2003-10-15 4 P 0 L 121.284 14.3 A Common Stock 121.284 9646.319 D Phantom Stock 2003-10-31 4 P 0 L 124.238 13.96 A Common Stock 124.238 9770.557 D Phantom Stock 2003-11-15 4 P 0 L 121.709 14.25 A Common Stock 121.709 9892.266 D Phantom Stock 2003-11-30 4 P 0 L 123.618 14.03 A Common Stock 123.618 10015.884 D Phantom Stock 2003-12-15 4 P 0 L 128.471 13.5 A Common Stock 128.471 10144.355 D Phantom Stock 2003-12-31 4 P 0 L 123.883 14 A Common Stock 123.883 10268.238 D Phantom Stock 2004-01-15 4 P 0 L 111.248 15.59 A Common Stock 111.248 10379.486 D Phantom Stock 2004-01-31 4 P 0 L 120.442 14.4 A Common Stock 120.442 10499.928 D Phantom Stock 2004-02-15 4 P 0 L 114.328 14.17 A Common Stock 114.328 10614.256 D Phantom Stock 2004-02-29 4 P 0 L 104.985 16.52 A Common Stock 104.985 10719.241 D Phantom Stock 2004-03-15 4 P 0 L 113.357 15.3 A Common Stock 113.357 10832.598 D Phantom Stock 2004-03-31 4 P 0 L 110.399 15.71 A Common Stock 110.399 10942.997 D Phantom Stock 2004-04-15 4 P 0 L 100.252 17.3 A Common Stock 100.252 11043.249 D Phantom Stock 2004-04-30 4 P 0 L 114.858 15.1 A Common Stock 114.858 11158.107 D Phantom Stock 2004-05-15 4 P 0 L 127.152 13.64 A Common Stock 127.152 11285.259 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