Montage Resources Corporation Announces a $100 Million, 25% Increase, to its Borrowing Base

Montage Resources Corporation MR (the "Company" or "Montage Resources") today announced that the lenders in its revolving credit facility have completed the Company's fall borrowing base redetermination and unanimously approved a 25% increase in the Company's borrowing base and provided increased commitments from $400 million to $500 million. In addition, the Company has expanded the lending group from 13 to 15 members, which represents a diverse group of financial institutions. With this $100 million increase, the Company's liquidity, pro forma for the borrowing base redetermination, would have been approximately $353 million as of the end of the second quarter 2019.

John Reinhart, President and CEO, commented, "The results of our optimized development program and the significant efficiency gains we have achieved have outpaced our expectations and provided the Company a meaningful increase in proved reserves during the first half of 2019. We appreciate the support of the member banks in our revolving credit facility who have reviewed our results and substantially increased our borrowing base. In addition, the Company has been able to take advantage of recent market conditions and incrementally add to its hedge portfolio. The Company remains highly focused on keeping our leverage low, maintaining our strong balance sheet and generating free cash flow by the end of 2019. Our near-term outlook remains unchanged and our one operated rig program continues to reflect our forecasted level of activity in the current commodity price environment. We believe the Company's operational flexibility, limited midstream and downstream commitments and the value of our high-quality assets continue to differentiate Montage Resources from its peers and the $100 million of incremental pro forma liquidity from our revolving credit facility further enhances our already strong financial position."

About Montage Resources

Montage Resources is an exploration and production company with approximately 218,000 net effective undeveloped acres currently focused on the Utica and Marcellus Shales of southeast Ohio, West Virginia and North Central Pennsylvania. For more information, please visit the Company's website at www.montageresources.com.

Forward-Looking Statements

This press release contains "forward-looking statements" within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. All statements, other than statements of historical fact included in this press release, regarding Montage Resources' strategy, future operations, financial position, estimated revenues and income/losses, projected costs and capital expenditures, prospects, plans and objectives of management are forward-looking statements. When used in this press release, the words "plan," "endeavor," "will," "would," "should," "could," "believe," "anticipate," "intend," "estimate," "expect," "continue," "position," "potential," "project" and similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain such identifying words. These forward-looking statements are based on Montage Resources' current expectations and assumptions about future events and are based on currently available information as to the outcome and timing of future events. When considering forward-looking statements, you should keep in mind the risk factors and other cautionary statements described under the heading "Risk Factors" in Montage Resources' Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 15, 2019 (the "2018 Annual Report"), in "Item 1A. Risk Factors" of Montage Resources' Quarterly Reports on Form 10-Q and in Montage Resources' other filings and reports with the Securities and Exchange Commission.

Forward-looking statements may include, but are not limited to, statements about Montage Resources' business strategy; reserves; general economic conditions; financial strategy, liquidity and capital required for developing its properties and timing related thereto; realized natural gas, NGLs and oil prices; timing and amount of future production of natural gas, NGLs and oil; its hedging strategy and results; future drilling plans; competition and government regulations, including those related to hydraulic fracturing; the anticipated benefits under commercial agreements; marketing of natural gas, NGLs and oil; leasehold and business acquisitions; the costs, terms and availability of gathering, processing, fractionation and other midstream services; the costs, terms and availability of downstream transportation services; credit markets; uncertainty regarding future operating results, including initial production rates and liquid yields in type curve areas; and plans, objectives, expectations and intentions contained in this press release that are not historical, including, without limitation, the guidance set forth herein. Forward-looking statements also may include statements relating to the combination with Blue Ridge, including statements regarding integration and transition plans, synergies, cost savings, opportunities, anticipated future performance, benefits of the transaction and its impact on Montage Resources' business, operations, assets, results of operations, liquidity, and financial position, and any statements of assumptions underlying any of the foregoing.

Montage Resources cautions you that all these forward-looking statements are subject to risks and uncertainties, most of which are difficult to predict and many of which are beyond the Company's control, incident to the exploration for and development, production, gathering and sale of natural gas, NGLs and oil. These risks include, but are not limited to, legal and environmental risks, drilling and other operating risks, regulatory changes, commodity price volatility and declines in the price of natural gas, NGLs, and oil, inflation, lack of availability of drilling, production and processing equipment and services, counterparty credit risk, the uncertainty inherent in estimating natural gas, NGLs and oil reserves and in projecting future rates of production, cash flow and access to capital, the timing of development expenditures, and the other risks described under the heading "Risk Factors" in the 2018 Annual Report, in "Item 1A. Risk Factors" of Montage Resources' Quarterly Reports on Form 10-Q and in Montage Resources' other filings and reports with the Securities and Exchange Commission. In addition, forward-looking statements are subject to risks and uncertainties related to the combination with Blue Ridge, including, without limitation, failure to realize or delays in realizing expected synergies or other benefits of the transaction, difficulties in integrating the combined operations, disruption of management time from ongoing business operations due to the transaction, adverse effects on the ability of Montage Resources to retain and hire key personnel and maintain relationships with suppliers and customers, negative effects of consummation of the transaction on the market price of the Company's common stock, transaction costs, unknown liabilities or unanticipated expenses.

All forward-looking statements, expressed or implied, included in this press release are expressly qualified in their entirety by this cautionary statement and are based on assumptions that Montage Resources believes to be reasonable but that may not prove to be accurate. This cautionary statement should also be considered in connection with any subsequent written or oral forward-looking statements that Montage Resources or persons acting on its behalf may issue. Except as otherwise required by applicable law, Montage Resources disclaims any duty to update any forward-looking statements to reflect new information or events or circumstances after the date of this press release. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof.

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