X0306 4 2020-02-23 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 2020-02-23 4 F 0 93 3.63 D 17651 D Common Stock 2020-02-24 4 F 0 181 3.63 D 17470 D Represents shares withheld to cover tax withholding obligations upon the vesting of restricted stock units for an award granted to the Reporting Person on February 23, 2018 under the Issuer's 2014 Long-Term Incentive Plan. The restricted stock units represent the right to receive one share of common stock per unit granted and vest in three equal installments on February 23, 2019, February 23, 2020 and February 23, 2021. Represents shares withheld to cover tax withholding obligations upon the vesting of restricted stock units for an award granted to the Reporting Person on February 24, 2017 under the Issuer's 2014 Long-Term Incentive Plan. The restricted stock units represent the right to receive one share of common stock per unit granted and vested in three equal installments on February 24, 2018, February 24, 2019 and February 24, 2020. /s/ Frank E. Day, Attorney-in-fact 2020-02-25