X0306 5 2016-01-15 0 0 0001030749 GULFMARK OFFSHORE INC GLF 0001452077 Rubio Samuel R 842 W. SAM HOUSTON PARKWAY N. STE 400 HOUSTON TX 77024 1 SVP - Controller & CAO Phantom Stock 2016-01-15 5 A 0 742.25 2.82 A Common Stock 742.25 23709.20 D Phantom Stock 2016-01-29 5 A 0 552.28 3.79 A Common Stock 552.28 24261.48 D Phantom Stock 2016-02-12 5 A 0 681.81 3.07 A Common Stock 681.81 24943.29 D Phantom Stock 2016-02-29 5 A 0 583.05 3.59 A Common Stock 583.05 25526.34 D Phantom Stock 2016-03-15 5 A 0 322.52 6.49 A Common Stock 322.52 25848.86 D Phantom Stock 2016-03-31 5 A 0 339.25 6.17 A Common Stock 339.25 26188.11 D Phantom Stock 2016-04-15 5 A 0 393.45 5.32 A Common Stock 393.45 26581.56 D Phantom Stock 2016-04-29 5 A 0 308.72 6.78 A Common Stock 308.72 26890.28 D Phantom Stock 2016-05-13 5 A 0 450.14 4.65 A Common Stock 450.14 27340.42 D Phantom Stock 2016-05-31 5 A 0 646.03 3.24 A Common Stock 646.03 27986.45 D Phantom Stock 2016-06-15 5 A 0 565.72 3.70 A Common Stock 565.72 28552.17 D Phantom Stock 2016-06-30 5 A 0 668.74 3.13 A Common Stock 668.74 29220.91 D Phantom Stock 2016-07-15 5 A 0 612.03 3.42 A Common Stock 612.03 29832.94 D Phantom Stock 2016-07-29 5 A 0 721.78 2.90 A Common Stock 721.78 30554.72 D Phantom Stock 2016-08-15 5 A 0 786.90 2.66 A Common Stock 786.90 31341.62 D Phantom Stock 2016-08-31 5 A 0 973.56 2.15 A Common Stock 973.56 32315.18 D Phantom Stock 2016-09-15 5 A 0 1067.93 1.96 A Common Stock 1067.93 33383.11 D Phantom Stock 2016-09-30 5 A 0 1245.92 1.68 A Common Stock 1245.92 34629.03 D Phantom Stock 2016-10-14 5 A 0 1395.43 1.50 A Common Stock 1395.43 36024.46 D Phantom Stock 2016-10-31 5 A 0 1820.13 1.15 A Common Stock 1820.13 37844.59 D Phantom Stock 2016-11-15 5 A 0 1550.48 1.35 A Common Stock 1550.48 39395.07 D Phantom Stock 2016-11-30 5 A 0 1674.52 1.25 A Common Stock 1674.52 41069.59 D Phantom Stock 2016-12-15 5 A 0 1276.31 1.64 A Common Stock 1276.31 42345.90 D Phantom Stock 2016-12-30 5 A 0 1196.09 1.75 A Common Stock 1196.09 43541.99 D Phantom Stock units credited under the Company's Executive Nonqualified Excess Plan (the "Plan"). Participants are always 100% vested in their contributions to the Plan. Employer contributions vest according to the provision of the Plan, which is generally based on years of service (20% per year of credited service). A participant is 100% vested after 5 years of credited service. /s/ Samuel Rubio 2017-01-12