X0306 4 2020-02-06 0 0001600470 Montage Resources Corp MR 0001781539 Loos Timothy J. 122 WEST JOHN CARPENTER FREEWAY SUITE 300 IRVING TX 75039 0 1 0 0 SVP Accounting and Finance Common Stock 2020-02-06 4 M 0 912 A 18014 D Common Stock 2020-02-06 4 F 0 270 7.94 D 17744 D Performance Units 2020-02-06 4 M 0 912 0.00 D Common Stock 912 0 D On February 24, 2017, the Reporting Person was granted 1,823 performance units pursuant to the Issuer's 2014 Long-Term Incentive Plan, with each unit representing the right to receive one share of the Issuer's common stock. The vesting of the performance units was subject to the satisfaction of certain performance criteria during the period beginning on January 1, 2017 and ending on December 31, 2019. On February 6, 2020, 912 of the performance units vested and the Reporting Person received 912 shares of the Issuer's common stock. Represents shares withheld to satisfy tax withholding obligations upon vesting of performance units. Represents the closing price per share of the Issuer's common stock as of the end of the applicable performance period, which was December 31, 2019. /s/ Frank E. Day, Attorney-in-fact 2020-02-10