X0306 4 2018-02-19 0 0000874499 GULFPORT ENERGY CORP GPOR 0001727812 Moore Donnie G 3001 QUAIL SPRINGS PARKWAY OKLAHOMA CITY OK 73134 0 1 0 0 COO Common Stock 2018-02-19 4 A 0 137143 0.00 A 137143 D These securities are restricted stock units each representing a contingent right to receive one share of common stock, par value $0.01 per share, of Gulfport Energy Corporation (the "Issuer") that were granted under the issuer's equity incentive plan. The 137,143 restricted stock units reported on this form will vest in three approximately equal annual installments beginning on February 27, 2019. /s/ Donnie G. Moore 2018-02-21