Commitment Letter, dated as of May 15, 2019, by and among Contura Energy, Inc. and certain of its existing shareholders

Contura Energy, Inc., a Delaware corporation (the “Company” or “you”), has advised the entities, listed on Schedule I attached hereto (such entities on their own behalf or on behalf of certain of their affiliates, related and/or advised funds and/or managed accounts, as set forth on Schedule I, the “Commitment Parties” or “us” and each, a “Commitment Party”) that the Company requires financing (i) to refinance certain existing indebtedness of the Company and its subsidiaries, and (ii) to pay fees and expenses related to the financing contemplated by this letter (together with the Term Sheet (as defined below) and any and all other attachments and schedules hereto, this “Commitment Letter”).

In connection with the foregoing you have requested that the Commitment Parties provide the Company with a senior secured term loan facility in the aggregate principal amount of $555,000,000 (the “Term Loan Facility”) substantially on the terms and conditions set forth in this Commitment Letter and the Outline of Terms and Conditions for Term Loan Facility attached hereto as Exhibit A (the “Term Sheet”). The Commitment Parties are pleased to advise you of their several, but not joint, commitment to provide the principal amount of the Term Loan Facility set forth opposite such Commitment Party’s name on Schedule 1 hereto. The commitment of the Commitment Parties to provide the Term Loan Facility is subject in all respects to satisfaction of the terms and conditions contained in this Commitment Letter and in the Term Sheet. The consummation of the Term Loan Facility and all other transactions contemplated to occur on the Closing Date (as defined in the Term Sheet) are hereinafter referred to as the “Transactions”. Capitalized terms used but not defined herein are used with the meanings assigned to them in the Term Sheet.

By its execution hereof and its acceptance of the commitment contained herein, the Company agrees to indemnify and hold harmless the Commitment Parties, the Agent (as defined in the Term Sheet) any other entity that becomes a Lender as contemplated by the Term Sheet and each of their respective assignees, affiliates, management companies and managed funds, and each of their respective shareholders, directors, partners, members, officers, employees, agents, advisors and other representatives (each an

“Indemnified Party”) from and against any and all losses, claims, damages, liabilities or other reasonable and documented out-of-pocket expenses to which such Indemnified Party may become subject, insofar as such losses, claims, damages, liabilities (or actions or other proceedings commenced or threatened in respect thereof) or other expenses arise out of or in connection with or result from, this Commitment Letter, the Fee Letter or the extension of the Term Loan Facility contemplated by this Commitment Letter, or in any way arise from any use or intended use of this Commitment Letter or the proceeds of the Term Loan Facility contemplated by this Commitment Letter, and the Company agrees to reimburse each Indemnified Party for any legal or other expenses incurred in connection with investigating, defending or participating in any such loss, claim, damage, liability or other expenses or action or other proceeding (whether or not such Indemnified Party is a party to any action or proceeding out of which indemnified expenses arise) (but limited, in the case of legal fees and expenses, to the reasonable, documented and invoiced out-of-pocket fees and expenses of one counsel, representing all of the Indemnified Parties, taken as a whole, and of a single local counsel in each appropriate jurisdiction (and, in the case of a potential or actual conflict of interest, one additional conflicts counsel for the affected Indemnified Parties)), but excluding therefrom all expenses, losses, claims, damages and liabilities which are determined in a final, non-appealable decision of a court of competent jurisdiction to (x) have resulted from the bad faith, gross negligence or willful misconduct of such Indemnified Party (or such Indemnified Party’s assignees, affiliates, management companies and managed funds, and any of their respective shareholders, directors, partners, members, officers, employees, agents, advisors and other representatives), (y) result from a material breach of such Indemnified Party’s obligations hereunder or under any other Loan Document or (z) have arisen out of or in connection with any claim, litigation, loss or proceeding not involving an act or omission of the Borrower or any other Loan Party and that is brought by an Indemnified Party against another Indemnified Party (other than any claims against an Indemnified Party in its capacity or in fulfilling its role as an administrative agent or arranger or any similar role under this Commitment Letter or any claims arising out of any act or omission of the Borrower or any of other Loan Party). Notwithstanding the foregoing, this paragraph applies to each Commitment Party solely in its capacity as a Commitment Party or a Lender or as an investment manager or advisor to certain of its affiliates or managed funds that shall be Commitment Parties or Lenders, and not as a shareholder or in any other capacity in relation to the Company. In the event of any litigation or dispute involving this Commitment Letter or the Term Loan Facility, no Commitment Party, Agent or Lender shall be responsible or liable to the Company or any other person (including the Borrower or Guarantor (as defined in the Term Sheet)), and neither the Company nor any Guarantor shall be responsible or liable to any Commitment Party, Agent, Lender or any other person, in each case for any special, indirect, consequential, incidental or punitive damages.

In addition, the Company agrees to reimburse the Commitment Parties for all reasonable fees and expenses (the “Expenses”) incurred by or on behalf of the Commitment Parties in connection with the negotiation, preparation, execution and delivery of this Commitment Letter, the Fee Letter, the Term Sheet, any related fee letter, and any and all definitive documentation relating hereto and thereto (limited, in the case of legal fees and expenses, to the reasonable and documented out-of-pocket fees and expenses of one counsel to the Commitment Parties taken as a whole and of a single local counsel in each appropriate jurisdiction).

The Company, on behalf of itself, the Borrower and the Guarantors represents and warrants that (i) all written information (other than the Projections (as defined below)) and other materials concerning the Company or any Guarantor, (collectively, the “Information”) which has been, or is hereafter, made available by, or on behalf of the Company or any Guarantor or any of their respective representatives, is, or when delivered will be, when considered as a whole, complete and correct in all material respects and does not, or will not when delivered, contain any untrue statement of material fact or omit to state a material fact necessary in order to make the statements contained therein not misleading in light of the circumstances under which such statement has been made and (ii) to the extent that any such Information contains projections

and other forward-looking materials (the “Projections”), such projections were prepared in good faith on the basis of (A) assumptions, methods and tests stated therein which are believed by the Company to be reasonable and (B) information believed by the Company to have been accurate based upon the information available to the Company at the time such projections were furnished to the Commitment Parties, it being understood that actual results may vary materially from the Projections. The Company agrees that if at any time prior to the Closing Date, any of the representations in the preceding sentence would be incorrect in any material respect if the Information and Projections were being furnished, and such representations were being made, at such time, then the Company will promptly supplement, or cause to be supplemented, the Information and Projections so that such representations will be correct in all material respects under those circumstances.

This Commitment Letter is delivered to the Company upon the condition that neither the existence of this Commitment Letter, the Term Sheet, or the Fee Letter, nor any of their contents, or the identity of any of the Commitment Parties shall be disclosed, directly or indirectly, by the Company or any of their respective affiliates, except (a) as may be compelled to be disclosed in a judicial or administrative proceeding or as otherwise required by law (in which case you agree, to the extent permitted by law, to inform us promptly in advance thereof), (b) on a confidential and “need to know” basis, solely to the directors, officers, employees, advisors and agents of the Company and its subsidiaries, (c) as may be required by the rules, regulations, schedules and forms of the Securities and Exchange Commission in connection with any filings with the Securities and Exchange Commission, (d) if the Commitment Parties consent in writing to such proposed disclosure, (e) you may disclose the Term Sheet to bona-fide potential Lenders and to rating agencies in connection with obtaining, maintaining or updating (as applicable) ratings for the Borrower and the Term Loan Facility, (f) you may disclose the aggregate fee amounts contained in the Fee Letter as part of Projections, pro forma information or a generic disclosure of aggregate sources and uses related to fee amounts related to the Transactions to the extent customary or required in offering and marketing materials for the Term Loan Facility or in any public filing relating to the Transactions, (g) you may disclose this Commitment Letter, the Fee Letter and the contents hereof and thereof to the extent this Commitment Letter, the Fee Letter or the contents hereof or thereof, as applicable, become publicly available other than by reason of disclosure by you in breach of this Commitment Letter, (h) you may disclose, on a confidential basis, the Fee Letter and the contents thereof after the Closing Date for customary accounting purposes, including for deferred financing costs (including to the auditors of the Company) and (i) you may disclose this Commitment Letter, the Fee Letter and the contents hereof and thereof to the extent necessary to enforce your rights and remedies hereunder or thereunder. In addition, the Company agrees that it will (i) consult with the Commitment Parties prior to the making of any filing in which reference is made to the commitments contained herein, and (ii) obtain the prior approval of the Commitment Parties before releasing any public announcement, filing or other release in which reference is made to any Commitment Party or any Commitment Party’s commitment contained herein. Your obligations under this paragraph with regard to this Commitment Letter (but not the Fee Letter) shall terminate one year from the termination of the Commitment Letter in accordance with its terms. The Company acknowledges that the Commitment Parties and their affiliates may now or hereafter provide financing or obtain other interests in other companies in respect of which the Company or its affiliates may be business competitors, and that the Commitment Parties and their affiliates will have no obligation to provide to the Company or any of its affiliates any confidential information obtained from or in respect of such other companies.

Each Commitment Party and its affiliates will use all confidential information provided to it or such affiliates by or on behalf of you hereunder solely for the purpose of providing the services which are the subject of this Commitment Letter and shall treat confidentially all such information, except (a) as may be compelled to be disclosed in a judicial or administrative proceeding or as otherwise required by law (in which case such Commitment Party agrees, to the extent permitted by law, to inform you promptly in advance thereof), (b) upon the request or demand of any regulatory authority having jurisdiction over such

Commitment Party or any of its affiliates (in which case such Commitment Party agrees to inform you promptly thereof prior to such disclosure to the extent practicable, unless such Commitment Party is prohibited by applicable law from so informing you, or except in connection with any request as part of a regulatory examination or routine audit), (c) to the extent that such information becomes publicly available other than by reason of improper disclosure by such Commitment Party or any of its affiliates in violation of this Commitment Letter, (d) to the extent that such information is received by such Commitment Party from a third party that is not to such Commitment Party’s knowledge subject to confidentiality obligations to you, (e) to the extent that such information is independently developed by such Commitment Party so long as not based on information obtained in a manner that would otherwise violate this provision, (f) on a confidential and “need to know” basis, solely to the directors, officers, employees, advisors, affiliates and agents (collectively, the “Representatives”) of each Commitment Party and its affiliates (provided that such Commitment Party shall be responsible for its affiliates’ and Representatives’ compliance with this paragraph), (g) to prospective Lenders, participants or assignees or any potential counterparty (or its advisors) to any swap or derivative transaction relating to the Borrower or any of its subsidiaries or any of their respective obligations, in each case who agree to be bound by the terms of this paragraph (or language substantially similar to this paragraph) or (h) to ratings agencies in connection with the Transactions, subject to our prior notification to you; provided, that (i) the disclosure of any such information to any Lenders or prospective Lenders or participants or assignees or prospective participants or assignees referred to above shall be made subject to the acknowledgement and acceptance by such Lender or prospective Lender or assignee or participant or prospective assignee or participant that such information is being disseminated on a confidential basis (on substantially the terms set forth in this paragraph or as is otherwise reasonably acceptable to you and such Commitment Party) in accordance with customary market standards for dissemination of such type of information and (ii) no disclosure shall be made by such Commitment Party to any Disqualified Institution except to the extent permitted under this paragraph. “Disqualified Institution” means (i) any financial institutions and entities identified by the Company to the Commitment Parties by name in writing on or prior to the date hereof, (ii) any competitors of the Loan Parties identified by the Company to the Commitment Parties by name in writing from time to time and (iii) affiliates of the foregoing that are readily identifiable solely on the basis of similarity of their names; provided that (x) in the case of clauses (ii) and (iii) herein, “Disqualified Institutions” shall not include any bona fide diversified debt fund or a diversified investment vehicle that is engaged in the making, purchasing, holding or otherwise investing in, acquiring or trading commercial loans, bonds and similar extensions of credit in the ordinary course and (y) updates to the Disqualified Institution schedule shall not retroactively invalidate or otherwise affect any (A) assignments or participations made to, (B) any trades entered into with or (C) information provided to any person before it was designated as a Disqualified Institution. Each Commitment Party’s obligations under this paragraph shall terminate one year from the termination of this Commitment Letter and shall otherwise automatically terminate and be superseded by the confidentiality provisions in the definitive documentation relating to Term Loan Facility upon the execution and delivery of the definitive documentation therefor. The foregoing provisions as they relate to a Disqualified Institution are subject to the review and agreement of the Agent and its counsel.

You further acknowledge and agree that (a) no fiduciary, advisory or agency relationship between you and the Commitment Parties is intended to be or has been created in respect of any of the transactions contemplated by this Commitment Letter, irrespective of whether the Commitment Parties have advised or are advising you on other matters, (b) the Commitment Parties, on the one hand, and you, on the other hand, have an arm’s length business relationship that does not directly or indirectly give rise to, nor do you rely on, any fiduciary duty to you or your affiliates on the part of the Commitment Parties, (c) you are capable of evaluating and understanding, and you understand and accept, the terms, risks and conditions of the transactions contemplated by this Commitment Letter, (d) you have been advised that the Commitment Parties are engaged in a broad range of transactions that may involve interests that differ from your interests and that the Commitment Parties have no obligation to disclose such interests and transactions to you, (e)

you have consulted your own legal, accounting, regulatory and tax advisors to the extent you have deemed appropriate, (f) each Commitment Party has been, is, and will be acting solely as a principal and, except as otherwise expressly agreed in writing by it and the relevant parties, has not been, is not, and will not be acting as an advisor, agent or fiduciary for you, any of your affiliates or any other person or entity, and (g) none of the Commitment Parties has any obligation to you or your affiliates with respect to the transactions contemplated hereby except those obligations expressly set forth herein or in any other express writing executed and delivered by such Commitment Party and you or any such affiliate. You agree that you will not assert any claim relating to the transaction contemplated hereby against any Commitment Party based on an alleged breach of agency or fiduciary duty. Notwithstanding the foregoing, this paragraph applies to each Commitment Party solely in its capacity as a Commitment Party or Lender or as investment manager or advisor to certain of its affiliates or managed funds that shall be Commitment Parties or Lenders, and not as a shareholder or in any other capacity in relation to the Company.

Each of the parties hereto hereby irrevocably and unconditionally (a) submits, for itself and its property, to the exclusive jurisdiction of any state or federal court of the United States of America, in each case sitting in the Borough of Manhattan in New York, and the respective appellate courts thereof, as to any suit, action or proceeding arising out of or relating to this Commitment Letter, the Fee Letter or the transactions contemplated hereby or thereby, or for recognition or enforcement of any judgment, and agrees that all claims in respect of any such action or proceeding shall be heard and determined in such New York State court or, to the extent permitted by law, in such Federal court, and further agrees to not commence any such suit, action or proceeding other than in such New York State court or, to the extent permitted by law, in such Federal court, (b) waives, to the fullest extent it may legally and effectively do so, any objection which it may now or hereafter have to the laying of venue of any suit, action or proceeding arising out of or relating to this Commitment Letter, the Fee Letter or the transactions contemplated hereby or thereby in any court in which such venue may be laid in accordance with clause (a) of this sentence, (c) waives, to the fullest extent permitted by law, the defense of an inconvenient forum to the maintenance of such action or proceeding in any such court and (d) agrees that a final judgment in any such action or proceeding shall be conclusive and may be enforced in other jurisdictions by suit on the judgment or in any other manner provided by law. Service of any process, summons, notice or document by registered mail or overnight courier addressed to any of the parties hereto at the addresses set forth above shall be effective service of process against such party for any suit, action or proceeding brought in any such court. EACH OF THE PARTIES HERETO IRREVOCABLY WAIVES THE RIGHT TO TRIAL BY JURY IN ANY ACTION, PROCEEDING, CLAIM OR COUNTERCLAIM BROUGHT BY OR ON BEHALF OF ANY PARTY RELATED TO OR ARISING OUT OF THIS COMMITMENT LETTER, THE FEE LETTER OR THE PERFORMANCE OF SERVICES HEREUNDER OR THEREUNDER.

Each of the Commitment Parties hereby notifies you that, pursuant to the requirements of the USA PATRIOT Act, Title III of Pub. L. 107-56 (signed into law on October 26, 2001) (the “PATRIOT Act”), it is required to obtain, verify and record information that identifies the Borrowers and each Guarantor, which information includes names, addresses, tax identification numbers and other information that will allow such Lender to identify the Borrowers and each Guarantor in accordance with the PATRIOT Act. This notice is given in accordance with the requirements of the PATRIOT Act and is effective for the Commitment Parties and each Lender.

The offer made by the Commitment Parties in this Commitment Letter shall expire, unless otherwise agreed by the Commitment Parties in writing, at 9:00 a.m. (New York City time) on May 15, 2019, unless prior thereto the Commitment Parties have received a copy of this Commitment Letter, signed by the Company accepting the terms and conditions of this Commitment Letter and the Term Sheet. The commitment by the Commitment Parties to provide the Term Loan Facility shall expire at 5:00 p.m. (New York City time) on July 31, 2019, unless prior thereto, (i) the Commitment Parties holding a majority of the commitments

in respect of the Term Loan Facility (the “Majority Commitment Parties”) have agreed to extend such time (which extension may be up to 30 days) or (ii) the Loan Documents (as defined in the Term Sheet) shall have been agreed to in writing by all parties and the conditions set forth therein shall have been satisfied (it being understood that the indemnification, fee, Expenses, absence of fiduciary relationship, jurisdiction and confidentiality provisions contained herein and in the Fee Letter shall remain in full force and effect regardless of whether definitive financing documentation shall be executed and delivered and notwithstanding the termination of this Commitment Letter or the commitments hereunder; provided, that your obligations under this Commitment Letter, other than those relating to confidentiality, shall automatically terminate and be superseded by the definitive documentation relating to the Term Loan Facility upon the initial funding under the Term Loan Facility, and you shall be released from all liability in connection therewith at such time).

This Commitment Letter, the Fee Letter and the commitments hereunder shall not be assignable by any party hereto (other than by a Commitment Party to one or more of its affiliates, related or advised funds, managed accounts, or management companies) without the prior written consent of each other party hereto (and any attempted assignment without such consent shall be null and void). This commitment letter may be amended, modified or waived only in a writing signed by each of the parties hereto. This Commitment Letter, including the attached Term Sheet, and the Fee Letter (i) supersedes all prior discussions, agreements, commitments, arrangements, negotiations or understandings, whether oral or written, of the parties with respect thereto, (ii) shall be governed by the law of the State of New York, without giving effect to the conflict of laws provisions thereof, (iii) shall be binding upon the parties and their respective successors and permitted assigns, (iv) may not be relied upon or enforced by any other person or entity, and (v) may be signed in multiple counterparts and delivered by facsimile or other electronic transmission, each of which shall be deemed an original and all of which together shall constitute one and the same instrument.

Each Commitment Party hereby acknowledges and affirms that: (a) it has acted independently from each other Commitment Party in entering into this Commitment Letter and will continue to so act in exercising its rights and performing its obligations during the term hereof, irrespective of any joint representation by any adviser or joint participation in any transaction in respect of the Company; and (b) it is not acting as a “group” with the other Commitment Parties and therefore the Commitment Parties do not collectively constitute a “person” within the meaning of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended.

Should the terms and conditions of the offer contained herein meet with your approval, please indicate your acceptance by signing and returning a copy of this letter to the Commitment Parties.

This Outline of Terms and Conditions for Term Loan Facility is part of the commitment letter, dated May 15, 2019 (the “Commitment Letter”), addressed to the Company by the Commitment Parties and is subject to the terms and conditions of the Commitment Letter. Capitalized terms used herein shall have the meanings set forth in the Commitment Letter unless otherwise defined herein.