Document:

EX-4.1

 Exhibit 4.1 

FIRST SUPPLEMENTAL INDENTURE 

FIRST SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”), dated as of March 1, 2018, among WARRIOR MET COAL, INC., a
Delaware corporation (the “Issuer”), the Subsidiary Guarantors party hereto and WILMINGTON TRUST, NATIONAL ASSOCIATION, not in its individual capacity but solely in its capacity as trustee under the indenture referred to below (the
“Trustee”) and not in its individual capacity but solely in its capacity as priority lien collateral trustee (the “Priority Lien Collateral Trustee”). 

W I T N E S S E T H : 

WHEREAS, the Issuer, the Subsidiary Guarantors, the Trustee and the Priority Lien Collateral Trustee have heretofore executed an indenture,
dated as of November 2, 2017 (the “Indenture”), providing for the issuance of (a) $350,000,000 in aggregate principal amount of the Issuer’s 8.00% Senior Secured Notes due 2024 on November 2, 2017 (the
“Initial Notes”) and (b) any Additional Notes (as defined in the Indenture) that may be issued from time to time after November 2, 2017 (collectively, the “Notes”); 

WHEREAS, the Issuer is issuing on the date hereof $125,000,000 aggregate principal amount of Additional Notes as permitted by
Section 2.01 of the Indenture (the “New Notes”); 
 WHEREAS, Section 2.01 of the Indenture provides that the
Issuer may, from time to time and in accordance therewith, issue Additional Notes under the Indenture, provided that certain terms of the Additional Notes are (a) established in or pursuant to a resolution of the Board of Directors of the
Issuer (the “Board”) and (b) (i) set forth or determined in the manner provided in an Officer’s Certificate or (ii) established in one or more indentures supplemental to the Indenture; 

WHEREAS, the Board has established certain terms of the New Notes pursuant to resolutions of the Board, a copy of which has been certified by
the Secretary or Assistant Secretary of the Issuer and delivered to the Trustee; 
 WHEREAS, the Issuer is permitted to Incur the New Notes
as Indebtedness under Section 4.03 of the Indenture and the New Notes are being issued in compliance with the other applicable provisions of the Indenture; 

WHEREAS, consistent with the treatment of the Initial Notes and the related Subsidiary Guarantees of the Initial Notes, the New Notes and the
related Subsidiary Guarantees of the New Notes will be designated as Priority Lien Debt in accordance with the definition thereof in the Indenture; 

WHEREAS, the Issuer and the Subsidiary Guarantors desire and have requested the Trustee and the Priority Lien Collateral Trustee to enter into
this Supplemental Indenture to evidence the issuance of the New Notes; 

  
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 WHEREAS, pursuant to Sections 9.01(a)(xi) and (xii) of the Indenture, in order to make
changes to the Indenture to provide for, and to effect the provisions of Section 2.01 of the Indenture with respect to, the issuance of the New Notes as Additional Notes, the Issuer, the Subsidiary Guarantors, the Trustee and the Priority Lien
Collateral Trustee are authorized to execute and deliver this Supplemental Indenture without the consent of any holders of the Initial Notes; and 

WHEREAS, the Issuer has delivered to the Trustee (i) an Officer’s Certificate and an Opinion of Counsel reasonably satisfactory to
the Trustee stating that, in the opinion of the signers, this Supplemental Indenture is authorized or permitted by the Indenture and that this Supplemental Indenture is the legal, valid and binding obligation of the Issuer, enforceable against it in
accordance with its terms, subject to customary exceptions, and complies with the provisions of the Indenture, (ii) pursuant to Section 2.03, an authentication order and (iii) a copy of the resolution of the Board, certified by the
Secretary or Assistant Secretary of the Issuer, authorizing the execution of this Supplemental Indenture. 
 NOW THEREFORE, in consideration
of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, the Issuer, the Subsidiary Guarantors, the Trustee and the Priority Lien Collateral Trustee mutually covenant and agree for the equal and
ratable benefit of the holders of the Notes as follows: 
 1. Defined Terms. As used in this Supplemental Indenture, terms defined in
the Indenture or in the preamble or recital hereto are used herein as therein defined. The words “herein,” “hereof” and “hereby” and other words of similar import used in this Supplemental Indenture
refer to this Supplemental Indenture as a whole and not to any particular Section hereof. 
 2. Amount of New Notes. The aggregate
principal amount of New Notes to be authenticated and delivered under this Supplemental Indenture on March 1, 2018, is $125,000,000. The Initial Notes and the New Notes shall be treated as a single class for all purposes under the Indenture,
including, without limitation, waivers, amendments, redemptions and offers to purchase. 
 3. Terms of New Notes: The New Notes are to
be issued as Additional Notes under the Indenture and shall: 
  

	 	(a)	have identical terms and conditions to the Initial Notes (including that interest on the New Notes shall accrue from November 2, 2017) except that the New Notes shall (i) be issued on March 1, 2018, (ii)
be issued at an offering price of 103.000% of the principal amount plus accrued interest from November 2, 2017 and (iii) have the CUSIP and ISIN numbers for Regulation S Notes as set forth in clause (c) below; 

 

	 	(b)	be issuable in whole in the form of one or more Global Notes to be held by the Depository that are substantially in the form, including appropriate transfer restriction legends, provided in Exhibit A to the
Indenture; and 

  

	 	(c)	bear, in the case of New Notes sold under Rule 144A of the Securities Act, the CUSIP number of 93627C AA9 and the ISIN number of US93627CAA99 (which CUSIP and ISIN numbers are identical to the CUSIP and ISIN numbers for
the Initial Notes sold under Rule 144A of the Securities Act), and, in the case of New Notes sold under Regulation S of the Securities Act, the CUSIP number of U93537 AB1 and ISIN of USU93537AB15. 

  
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 5. Guarantees. Each Subsidiary Guarantor hereby confirms and agrees that the
“Guaranteed Obligations” as defined in the Indenture, including the Issuer’s Obligations under the New Notes, are guaranteed by each such Subsidiary Guarantor. 

6. Collateral. Each Subsidiary Guarantor hereby confirms and agrees that, for purposes of Section 13.01(a) of the Indenture, the
Guaranteed Obligations of the Subsidiary Guarantors to the Trustee or the Priority Lien Collateral Trustee under the Indenture, the Notes and the Security Documents, including the Guaranteed Obligations with respect to the Additional Notes, are
secured as provided in the Indenture and in the Security Documents. 
 7. Notices. All notices or other communications to the Issuer
shall be given as provided in Section 14.02 of the Indenture. 
 8. Ratification of Indenture; Supplemental Indentures Part of
Indenture. By its signature below, the Issuer hereby authorizes and instructs the Trustee and the Priority Lien Collateral Trustee to execute and deliver this Supplemental Indenture. Except as expressly amended hereby, the Indenture is in all
respects ratified and confirmed and all the terms, conditions and provisions thereof shall remain in full force and effect. This Supplemental Indenture shall form a part of the Indenture for all purposes, and every holder of Notes heretofore or
hereafter authenticated and delivered shall be bound hereby. 
 9. Governing Law. THIS SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY,
AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK. 
 10. Trustee and Priority Lien Collateral Trustee Make No
Representation. The Trustee and the Priority Lien Collateral Trustee make no representation as to the validity or sufficiency of this Supplemental Indenture. Furthermore, the Trustee and the Priority Lien Collateral Trustee shall not be
responsible in any manner whatsoever for or in respect of the recitals contained herein, all of which recitals are made solely by the Issuer. 

11. Counterparts. The parties may sign any number of copies of this Supplemental Indenture. Each signed copy shall be an original, but
all of them together represent the same agreement. 
 12. Effect of Headings. The Section headings herein are for convenience
only and shall not affect the construction thereof. 
 13. Severability. If and to the extent that any provision in this Supplemental
Indenture shall be held invalid, illegal or unenforceable, or any proposed amendment to the Indenture shall be held not to have been properly approved by all necessary holders of Notes as required under the Indenture, the validity, legality,
enforceability and approval of the remaining provisions shall not in any way be affected or impaired thereby, to the extent permitted by applicable law. 

[Remainder of page intentionally left blank.] 

  
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 IN WITNESS WHEREOF, the parties have caused this Supplemental Indenture to be duly executed as of
the date first written above. 
  

			
	WARRIOR MET COAL, INC.
		
	By:	 	 /s/ Dale W. Boyles

		 	Name: Dale W. Boyles
		 	Title:   Chief Financial Officer
	
	WARRIOR MET COAL INTERMEDIATE HOLDCO, LLC
	By: Warrior Met Coal, Inc., its sole member and manager
		
	By:	 	 /s/ Dale W. Boyles

		 	Name: Dale W. Boyles
		 	Title:   Chief Financial Officer
	
	WARRIOR MET COAL GAS, LLC
	WARRIOR MET COAL MINING, LLC
	WARRIOR MET COAL TRI, LLC
	WARRIOR MET COAL BCE, LLC
	WARRIOR MET COAL LAND, LLC
	WARRIOR MET COAL WV, LLC
	WARRIOR MET COAL LA, LLC
		
	By:	 	 /s/ Dale W. Boyles

		 	Name: Dale W. Boyles
		 	Title:   Chief Financial Officer

 [Signature Page to First Supplemental Indenture] 

 
			
	WILMINGTON TRUST, NATIONAL ASSOCIATION, not in its individual capacity, but solely as Trustee and Priority Lien Collateral Trustee
		
	By:	 	 /s/ Jane Y. Schweiger

		 	Name: Jane Y. Schweiger
		 	Title:   Vice President

 [Signature Page to First Supplemental Indenture]EX-4.2

 Exhibit 4.2 

SECOND SUPPLEMENTAL INDENTURE 

SECOND SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”), dated as of March 2, 2018, among WARRIOR MET COAL, INC.,
a Delaware corporation (the “Issuer”), and WILMINGTON TRUST, NATIONAL ASSOCIATION, not in its individual capacity but solely in its capacity as trustee under the indenture referred to below (the “Trustee”) and not
in its individual capacity but solely in its capacity as priority lien collateral trustee (the “Priority Lien Collateral Trustee”). 

W I T N E S S E T H : 

WHEREAS, the Issuer, the Subsidiary Guarantors, the Trustee and the Priority Lien Collateral Trustee have heretofore executed an indenture,
dated as of November 2, 2017 (the “Original Indenture”), as supplemented by the First Supplemental Indenture, dated as of March 1, 2018 (the “First Supplemental Indenture,” and together with the Original
Indenture, the “Indenture”), providing for the issuance of the Issuer’s 8.00% Senior Secured Notes due 2024; 

WHEREAS, (a) on November 2, 2017 an aggregate principal amount of $350,000,000 of Notes were initially issued (the “Initial
Notes”), (b) $125,000,000 in aggregate principal amount of Additional Notes under the Indenture (the “New Notes” together with the Initial Notes, the “Notes”) were issued on March 1, 2018 in connection with
execution of the First Supplemental Indenture, and (c) $475,000,000 in aggregate principal amount of Notes is outstanding on the date hereof; 

WHEREAS, (a) the Issuer has solicited consents to effect the proposed amendment to be effected by this Supplemental Indenture (the
“Proposed Amendment”) from the holders of the Initial Notes upon the terms and subject to the conditions set forth in its consent solicitation statement, dated February 26, 2018 (the “Consent Solicitation
Statement”), and the related consent letter, and (b) the purchasers of the New Notes, were deemed to have consented and therefore have consented to the Proposed Amendments by virtue of their purchases of the New Notes and acknowledged
that they do not have any right to the Consent Fee (as defined in the Consent Solicitation Statement), all as provided in the Issuer’s preliminary offering circular and final offering circular, each dated February 26, 2018, relating to the
offering of the New Notes; 
 WHEREAS, in accordance with Section 9.02 of the Indenture, the Issuer, the Trustee and the Priority Lien
Collateral Trustee may amend the Indenture with the consent of the holders of at least a majority in principal amount of the Notes outstanding (calculated in accordance with Section 14.06 of the Indenture) as of the date hereof (the
“Requisite Consents”); 
 WHEREAS, the Issuer is undertaking to execute and deliver this Supplemental Indenture to amend
the Restricted Payments (as defined in the Indenture) covenant in the Indenture as set forth in the Consent Solicitation Statement and Section 2 below; 

WHEREAS, the Issuer has obtained the Requisite Consents to effect the Proposed Amendment to the Indenture from the holders of at least a
majority in principal amount of the Notes outstanding (calculated in accordance with Section 14.06 of the Indenture) as of the date hereof; and 

 WHEREAS, the Issuer has delivered to the Trustee: (i) an Officer’s Certificate and an
Opinion of Counsel reasonably satisfactory to the Trustee stating, among other things, that, in the opinion of the signers, this Supplemental Indenture is authorized or permitted by the Indenture and that this Supplemental Indenture is the legal,
valid and binding obligation of the Issuer, enforceable against it in accordance with its terms, subject to customary exceptions, and complies with the provisions of the Indenture; (ii) a copy of the resolution of the Board of Directors of the
Issuer, certified by the Secretary or Assistant Secretary of the Issuer, authorizing the execution of this Supplemental Indenture; and (iii) evidence that the Issuer has received the Requisite Consents. 

NOW THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged,
the Issuer, the Trustee and the Priority Lien Collateral Trustee mutually covenant and agree for the equal and ratable benefit of the holders of the Notes as follows: 

1. Defined Terms. As used in this Supplemental Indenture, terms defined in the Indenture or in the preamble or recital hereto are used
herein as therein defined. The words “herein,” “hereof” and “hereby” and other words of similar import used in this Supplemental Indenture refer to this Supplemental Indenture as a whole and not to
any particular Section hereof. 
 2. Amendments to the Indenture. Sections 4.04(b) and 4.04(c) of the Indenture are amended as
follows: 
 (a) to add the following new clause (xxi) to Section 4.04(b): 

(xxi) Restricted Payments declared on or prior to May 15, 2018 (and the subsequent payment thereof), in an aggregate amount, when taken
together with all other Restricted Payments made pursuant to this clause (xxi) not to exceed $350.0 million; provided that Restricted Payments may be made pursuant to this clause (xxi) so long as, (A) immediately after
giving effect to such Restricted Payment, the Total Indebtedness Leverage Ratio for the most recently ended four fiscal quarters for which financial statements have been delivered to the Trustee immediately preceding such Restricted Payment is not
greater than 1.50 to 1.00 on a pro forma basis, and (B) the Issuer does not fund such Restricted Payment with the proceeds of contemporaneous borrowings under the ABL Credit Facilities; 

(b) to delete the “and” at the end of Section 4.04(b)(xix); 

(c) to add “and” at the end of Section 4.04(b)(xx); 

(d) to amend the proviso immediately following new Section 4.04(b)(xxi) as follows (with strikethrough text indicating
deletions and bold and underlined text indicating additions): 

  
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 provided, however, that at the time of, and after giving effect to, any Restricted Payment
permitted under clauses (vi)(B), (vii), (viii), (x), and (xx) and (xxi) of this Section 4.04(b), no Event of Default shall have occurred and be continuing or would occur as a
consequence thereof; provided, further, that any Restricted Payments made with property other than cash shall be calculated using the Fair Market Value (as determined in good faith by the Issuer) of such property; and 

(e) to amend the last sentence of Section 4.04(c) as follows (with bold and underlined text indicating additions): 

In the event that a Restricted Payment (or any portion thereof) or Permitted Investment (or any portion thereof) is divided, classified or
reclassified under clause (xx) or clause (xxi) above or clause (26) of the definition of Permitted Investments (such clauses, the “Incurrence Clauses”), the determination of the amount of such
Restricted Payment or Permitted Investment that may be made pursuant to the Incurrence Clauses shall be made without giving pro forma effect to any substantially concurrent Incurrence of Indebtedness to finance any other Restricted Payment (or any
portion thereof) or Permitted Investment (or any portion thereof) divided, classified or reclassified under any of the above clauses or the definitions thereof other than an Incurrence Clause. 

3. Notices. All notices or other communications to the Issuer shall be given as provided in Section 14.02 of the Indenture. 

4. Ratification of Indenture; Supplemental Indentures Part of Indenture. By its signature below, the Issuer hereby authorizes and
instructs the Trustee and the Priority Lien Collateral Trustee to execute and deliver this Supplemental Indenture. Except as expressly amended hereby, the Indenture is in all respects ratified and confirmed and all the terms, conditions and
provisions thereof shall remain in full force and effect. This Supplemental Indenture shall form a part of the Indenture for all purposes, and every holder of Notes heretofore or hereafter authenticated and delivered shall be bound hereby. 

5. Governing Law. THIS SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW
YORK. 
 6. Trustee and Priority Lien Collateral Trustee Make No Representation. The Trustee and the Priority Lien Collateral
Trustee make no representation as to the validity or sufficiency of this Supplemental Indenture. Furthermore, the Trustee and the Priority Lien Collateral Trustee shall not be responsible in any manner whatsoever for or in respect of the recitals
contained herein, all of which recitals are made solely by the Issuer. 
 7. Counterparts. The parties may sign any number of copies
of this Supplemental Indenture. Each signed copy shall be an original, but all of them together represent the same agreement. 
 8. Effect
of Headings. The Section headings herein are for convenience only and shall not affect the construction thereof. 

  
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 9. Severability. If and to the extent that any provision in this Supplemental Indenture
shall be held invalid, illegal or unenforceable, or any proposed amendment to the Indenture shall be held not to have been properly approved by all necessary holders of Notes as required under the Indenture, the validity, legality, enforceability
and approval of the remaining provisions shall not in any way be affected or impaired thereby, to the extent permitted by applicable law. 

10. Effectiveness. The provisions of this Supplemental Indenture shall be effective upon execution and delivery of this instrument by
the parties hereto. Notwithstanding the foregoing, the provisions of this Supplemental Indenture shall become operative only upon the Issuer’s delivery to the Paying Agent (as defined in the Consent Solicitation Statement) of funds sufficient
for the Paying Agent to pay each Consent Fee (as defined in the Consent Solicitation Statement) payable thereunder. The Issuer shall notify the Trustee by e-mail, confirming such delivery of funds to the
Paying Agent has occurred. The Issuer hereby authorizes and directs the Trustee to act upon such notification by the Issuer in accordance with Section 14.02 of the Indenture. 

[Remainder of page intentionally left blank.] 

  
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 IN WITNESS WHEREOF, the parties have caused this Supplemental Indenture to be duly executed as of
the date first written above. 
  

			
	WARRIOR MET COAL, INC.
		
	By:	 	 /s/ Dale W. Boyles

		 	Name: Dale W. Boyles
		 	Title:   Chief Financial Officer

 [Signature Page to Second Supplemental Indenture] 

 
			
	WILMINGTON TRUST, NATIONAL ASSOCIATION, not in its individual capacity, but solely as Trustee and Priority Lien Collateral Trustee
		
	By:	 	 /s/ Jane Y. Schweiger

		 	Name: Jane Y. Schweiger
		 	Title:   Vice President

 [Signature Page to Second Supplemental Indenture]

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