X0306 4 2020-05-28 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 2020-05-28 4 A 0 9570 0.00 A 27040 D Performance Units 2020-05-28 4 A 0 28710 0.00 A Common Stock 28710 28710 D Represents restricted stock units representing the right to receive one share of common stock per unit granted on May 28, 2020 under the Montage Resources Corporation 2019 Long-Term Incentive Plan (the "Plan"), which vest in three equal installments on May 28, 2021, May 28, 2022 and May 28, 2023, respectively. Represents performance units representing the right to receive one share of common stock per unit granted on May 28, 2020 under the Plan, the vesting of which is subject to the satisfaction of certain performance criteria in the period beginning May 28, 2020 and ending December 31, 2022. /s/ Frank E. Day, Attorney-in-fact 2020-06-01