X0306 4 2018-11-29 0 0000874499 GULFPORT ENERGY CORP GPOR 0001699266 Zitkus Lester 3001 QUAIL SPRINGS PARKWAY OKLAHOMA CITY OK 73134 0 1 0 0 SVP, Land Common Stock 2018-11-29 4 F 0 5070 8.81 D 112093 D These shares represent vested restricted stock units previously granted to the reporting person under the Issuer's equity incentive plan and were withheld by Gulfport Energy Corporation to satisfy tax withholding obligations due upon settlement of such restricted stock units. /s/ Lester Zitkus 2018-11-30