X0306 4 2013-03-27 0 0001030749 GULFMARK OFFSHORE INC GLF 0001206113 STREETER BRUCE A 10111 RICHMOND AVE, STE 340 HOUSTON TX 77042 1 1 0 0 President and CEO Common Stock 2013-03-27 4 F 0 8701 39.183 D 514097 D Under the terms of the GulfMark 1997 Incentive Equity Plan and 2010 Omnibus Equity Incentive Plan, shares were sold to the Company to satisfy the tax obligation on restricted shares which restrictions lapsed. /s/ Bruce Streeter 2013-03-29