X0306 4 2019-02-28 1 0001600470 Montage Resources Corp MR 0001608720 DeNezza Matthew R 2121 OLD GATESBURG ROAD, SUITE 110 STATE COLLEGE PA 16803 0 0 0 1 See Remarks Common Stock 2019-02-28 4 M 0 11904 A 60027 D Common Stock 2019-02-28 4 M 0 20728 A 80755 D Common Stock 2019-02-28 4 M 0 6919 A 87674 D Performance Stock Unit 2019-02-28 4 M 0 11904 0.00 D Common Stock 11904 0 D Performance Stock Unit 2019-02-28 4 M 0 20728 0.00 D Common Stock 20728 0 D Performance Stock Unit 2019-02-28 4 M 0 6919 0.00 D Common Stock 6919 0 D On February 28, 2019, pursuant to the terms of a Separation and Release Agreement (the "Separation Agreement"), a total of 11,904 unvested performance stock units granted to the Reporting Person on April 22, 2016 became vested and converted into shares of common stock, par value $0.01 per share ("Common Stock"), of Montage Resources Corporation (the "Company") on a one-for-one basis. On February 28, 2019, pursuant to the terms of the Separation Agreement, a total of 20,728 unvested performance stock units granted to the Reporting Person on February 24, 2017 became vested and converted into shares of Common Stock on a one-for-one basis. On February 28, 2019, pursuant to the terms of the Separation Agreement, a total of 6,919 unvested performance stock units granted to the Reporting Person on February 23, 2018 became vested and converted into shares of Common Stock on a one-for-one basis, while the remaining 7,739 unvested performance stock units were forfeited and canceled. - All balances reflect a 15-to-1 reverse stock split of the Common Stock effected on February 28, 2019. - This beneficial ownership report is filed to report that the Reporting Person is no longer subject to Section 16 of the Securities Exchange Act of 1934, as amended, with respect to securities of the Company. /s/ Matthew R. DeNezza 2019-03-04