EXHIBIT 1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k) of the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing on behalf of each of them of a Statement on Schedule 13G (including any and all amendments thereto) with respect to the common stock, par value $0.01 per share, of Warrior Met Coal, Inc. and further agree that this Joint Filing Agreement shall be included as an Exhibit to such joint filing. In evidence thereof, the undersigned, being duly authorized, hereby execute this Joint Filing Agreement as of February 13, 2019.

KKR CREDIT ADVISORS (US) LLC
By:	/s/ Jeffrey Van Horn
Name:	Jeffrey Van Horn
Title:	Vice President

KOHLBERG KRAVIS ROBERTS & CO. L.P.
By:	/s/ Terence P. Gallagher
Name:	Terence P. Gallagher
Title:	Attorney-in-fact for William J. Janetschek,
	Chief Financial Officer

KKR MANAGEMENT HOLDINGS L.P.
By:	KKR Management Holdings Corp., its general partner
By:	/s/ Terence P. Gallagher
Name:	Terence P. Gallagher
Title:	Attorney-in-fact for William J. Janetschek,
	Chief Financial Officer

KKR MANAGEMENT HOLDINGS CORP.
By:	/s/ Terence P. Gallagher
Name:	Terence P. Gallagher
Title:	Attorney-in-fact for William J. Janetschek,
	Chief Financial Officer

KKR GROUP HOLDINGS CORP.
By:	/s/ Terence P. Gallagher
Name:	Terence P. Gallagher
Title:	Attorney-in-fact for William J. Janetschek,
	Chief Executive Officer

KKR & CO. INC.
By:	/s/ Terence P. Gallagher
Name:	Terence P. Gallagher
Title:	Attorney-in-fact for William J. Janetschek,
	Chief Financial Officer

KKR MANAGEMENT LLC
By:	/s/ Terence P. Gallagher
Name:	Terence P. Gallagher
Title:	Attorney-in-fact for William J. Janetschek,
	Chief Financial Officer

HENRY R. KRAVIS
By:	/s/ Terence P. Gallagher
Name:	Terence P. Gallagher
Title:	Attorney-in-fact

GEORGE R. ROBERTS
By:	/s/ Terence P. Gallagher
Name:	Terence P. Gallagher
Title:	Attorney-in-fact