X0206 3 2019-06-25 0 0001600470 Montage Resources Corp MR 0001781539 Loos Timothy J. 122 WEST JOHN CARPENTER FREEWAY SUITE 300 IRVING TX 75039 0 1 0 0 See Remarks Common Stock 11382 D Performance Unit Common Stock 1823 D Performance Unit Common Stock 940 D Performance Unit Common Stock 4400 D Includes (i) 5,746 shares of common stock, (ii) 609 restricted stock units granted on February 24, 2017 under the Eclipse Resources Corporation 2014 Long-Term Incentive Plan, as amended (the "2014 Plan"), which vest on February 24, 2020, (iii) 627 restricted stock units granted on February 23, 2018 under the 2014 Plan, which vest in two substantially equal installments on February 23, 2020 and February 23, 2021, and (iv) 4,400 restricted stock units granted on June 18, 2019 under the Montage Resources Corporation 2019 Long-Term Incentive Plan (the "2019 Plan"), which vest in three substantially equal installments on June 18, 2020, June 18, 2021 and June 18, 2022. Restricted stock units represent the right to receive one share of common stock per unit. Represents performance units representing the right to receive one share of common stock per unit granted on February 24, 2017 under the 2014 Plan, the vesting of which is subject to the satisfaction of certain performance criteria in the period beginning January 1, 2017 and ending December 31, 2019. Represents performance units representing the right to receive one share of common stock per unit granted on February 23, 2018 under the 2014 Plan, the vesting of which is subject to the satisfaction of certain performance criteria in the period beginning January 1, 2018 and ending December 31, 2020. Represents performance units representing the right to receive one share of common stock per unit granted on June 18, 2019 under the 2019 Plan, the vesting of which is subject to the satisfaction of certain performance criteria in the period beginning June 13, 2019 and ending December 31, 2021. Senior Vice President - Accounting and Finance Exhibit List: Exhibit 24 - Power of Attorney /s/ Frank E. Day, Attorney-in-fact 2019-07-03