Exhibit A

JOINT FILING AGREEMENT

Pursuant to and in accordance with the Securities Exchange Act of 1934, as amended, and the rules and regulations thereunder (the “Exchange Act”) the undersigned hereby agree to the joint filing of FS Global Credit Opportunities Fund, FS Global Advisor, LLC, Michael C. Forman and David J. Adelman, on behalf of each of them of any filing required by such party under Section 13 or Section 16 of the Exchange Act or any rule or regulation thereunder (including any amendment, restatement, supplement, and/or exhibit thereto) with respect to shares of Common Stock of Warrior Met Coal, Inc., a Delaware corporation, and further agree to the filing, furnishing, and/or incorporation by reference of this Agreement as an exhibit thereto. This Agreement shall remain in full force and effect until revoked by any party hereto in a signed writing provided to each other party hereto, and then only with respect to such revoking party. This Agreement may be executed in any number of counterparts all of which taken together shall constitute one and the same instrument.

Dated: April 11, 2018

FS GLOBAL CREDIT OPPORTUNITIES FUND
By:	/s/ Michael C. Forman
Name:	Michael C. Forman
Title:	Chief Executive Officer
FS GLOBAL ADVISOR, LLC
By:	/s/ Michael C. Forman
Name:	Michael C. Forman
Title:	Chief Executive Officer
MICHAEL C. FORMAN
By:	/s/ Michael C. Forman
Name:	Michael C. Forman
DAVID J. ADELMAN
By:	/s/ David J. Adelman
Name:	David J. Adelman