Document:

EX-10.6

 Exhibit 10.6 

MUTUAL COOPERATION AGREEMENT 

THIS MUTUAL COOPERATION AGREEMENT (this “Agreement”) is made and entered into this 20th day of August, 2015
(the “Effective Date”) by and between RAM Mining, LLC, a Delaware limited liability company, (the “Operating Company”), and Ramaco Northern Appalachia, LLC, a Delaware limited liability company, (the
“Land Company”). 
 Recitals 

WHEREAS, pursuant to those certain Leases and Subleases listed on Exhibit A attached hereto, the Land Company leased and
subleased certain mining rights to the Operating Company in and to those properties identified therein (the “Existing Leases”), which properties are depicted on the map attached hereto as Exhibit B (the “Ram
Property”); and 
 WHEREAS, the Land Company and the Operating Company desire to enter into further agreements regarding the
future acquisition, leasing and development of real property and other interests within, adjacent to or contiguous with the Ram Property. 

Agreement 

NOW, THEREFORE, in consideration of the foregoing premises and the mutual covenants contained herein, and other good and
valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties agree to the following terms and conditions: 
  

	 	1.	NOTICE OF ACQUISITION OR CONTROL OF A MINERAL INTEREST. 

 Each party hereto covenants and agrees to
promptly notify the other party in writing (an “Acquisition Notice”) upon its acquisition, leasing, subleasing or otherwise obtaining control of real property that (i) is not leased or subleased to Operating Company by any of
the Existing Leases, (ii) is within the boundaries of the Commonwealth of Pennsylvania (the “Area of Interest”), and (iii) contains mineable and merchantable coal or is otherwise useful in the extraction, transportation,
or processing of coal (each, an “Acquired Area”). An Acquisition Notice shall (y) describe in particularity the Acquired Area (and, if practicable, shall include a map thereof), and (z) include true and accurate copies of
the documents, instruments, agreements, and consents by which the acquiring party obtained its interest in the Acquired Area. 
  

	 	2.	NOTICE TO INTERESTED THIRD PARTIES OF THE RIGHTS AND OBLIGATIONS UNDER THIS AGREEMENT. 

 For so long as
this Agreement remains in effect, each party hereto covenants and agrees to notify any unaffiliated third party interested in acquiring, leasing, subleasing, or otherwise controlling any portion of the Area of Interest (each, an “Interested
Party”), prior to such Interested Party’s acquisition, lease, sublease, or control of such interest that this Agreement is in effect and provides certain rights and obligations, subject to the terms and conditions contained herein.

  
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	 	3.	OPTION IN FAVOR OF OPERATING COMPANY. 

  

	 	(a)	Land Company’s Ownership Interests. 

 For a period of ten (10) years following the
Effective Date, Land Company does hereby give and grant unto Operating Company the option to lease from Land Company (the “Operating Company Option”) any of Land Company’s ownership interests of coal or mining rights, or any portion
thereof, within the then-current Area of Interest by giving notice thereof (an “Exercise Notice”) to the Land Company. Thereafter, the parties shall, within thirty (30) days following the Exercise Notice, enter into a new lease
or an amendment of an Existing Lease, whichever is the most practicable under the circumstances, to effectively lease such ownership interests of coal and mining rights to the Operating Company. Subject to any restrictions set forth in the
instruments by which the Land Company acquires its ownership interest of such coal or mining rights, such lease or amendment to lease shall be on substantially the same terms and conditions as set forth in the Existing Leases; provided,
however, that (i) the minimum annual royalty shall be determined in the manner set forth on Exhibit C, and (ii) production royalties shall be determined in the manner set forth on Exhibit C. 

 

	 	(b)	Land Company’s Leasehold or Other Possessory Interests. 

 For a period of ten
(10) years following the Effective Date, Land Company does hereby give and grant unto Operating Company the right to sublease from Land Company any of Land Company’s leasehold or other possessory interests in coal or mining rights, or any
portion thereof, within the then-current Area of Interest, by giving an Exercise Notice to the Land Company. Thereafter, the parties shall, within thirty (30) days following the Exercise Notice, enter into a new sublease or an amendment of an
Existing Lease, whichever is the most practicable under the given circumstances, to effectively sublease such leasehold or other possessory interests of coal and mining rights to the Operating Company. Subject to any restrictions set forth in the
instruments by which the Land Company acquires its leasehold or other possessory interest in such coal or mining rights, such sublease or amendment to lease shall be on substantially the same terms and conditions as set forth in the Existing Leases;
provided, however, that (i) the minimum annual royalty shall be determined in the manner set forth on Exhibit C, and (ii) production royalties shall be determined in the manner set forth on Exhibit C. 

 

	 	4.	RIGHT OF FIRST REFUSAL IN FAVOR OF OPERATING COMPANY. 

 Notwithstanding the provisions of Section 3
above, for a period of ten (10) years following the Effective Date, if the Land Company receives a bona fide offer from an Interested Party to purchase, lease, sublease or license all or part of the then-current Area of Interest which is
not then leased to the Operating Company, and the Land Company desires to accept such offer, the Land Company shall immediately notify the Operating Company in writing and therein shall describe all of the terms and conditions of such offer. Upon
receiving such notice, the Operating Company shall have the right and option (the “Operating Company ROFR”) for forty-five (45) days after the receipt of such notice (the “Operating Company ROFR Period”) to
elect to acquire all or the relevant portion (as applicable) of such designated areas for equivalent consideration and on substantially the same terms and conditions as those contained in such Interested Party’s offer. If the Operating Company
ROFR is not exercised by the Operating Company within the 

  
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Operating Company ROFR Period, the Land Company shall have the right (but not the obligation) to transfer, lease, sublease, or license such designated areas to such Interested Party in
substantial accordance with such Interested Party’s offer within ninety (90) days after the earlier of (i) the expiration of the Operating Company ROFR Period and (ii) such date as the Operating Company notifies the Land Company
that the Operating Company does not wish to exercise the Operating Company ROFR. If the Operating Company ROFR is exercised by the Operating Company within the Operating Company ROFR Period: (a) the parties shall enter into mutually agreeable
documentation for the transfer of such designated areas to the Operating Company on the terms described above within thirty (30) days after the date on which the Operating Company notifies the Land Company that it wishes to exercise the
Operating Company Option; (b) if the parties have not entered into such mutually agreeable documentation by the end of such thirty (30) day period, the Land Company shall have the right (but not the obligation) to transfer such designated
area to the Interested Party that made the initial offer, in accordance with such offer, within ninety (90) days thereafter; and (c) if the Land Company has not transferred the designated area to such Interested Party within such further
ninety (90) day period, the Land Company shall not transfer directly or indirectly such designated area to any other Interested Party without providing the Operating Company with the right of first refusal to acquire such designated area again
in accordance with the terms of the Operating Company ROFR. The term “affiliate” used in this Agreement shall mean, with respect to any person, a person that directly or indirectly controls, is controlled by or is under common control with
such person, with control in such context meaning, the possession, directly or indirectly, of the power to direct or cause the direction of management or policies of a person, whether through the ownership of securities, by contract or otherwise,
and the term “affiliated” shall have the corresponding meaning and “unaffiliated” shall have the converse meaning. 
 Notwithstanding
anything to the contrary in Sections 3(a), 3(b) or 4, Operating Company shall not have an Operating Company Option or Operating Company ROFR with respect to any future lease, sublease or other possessory interest involving the tract shown in [color]
on the map attached hereto as Exhibit B (the “Coronado Leasehold”); provided, however, Operating Company shall have an Operating Company Option and Operating Company ROFR with respect to any portion of the real property
leased or subleased to Coronado Coal II, LLC (“Coronado”) if that certain Sublease, dated December 30, 2014, between Land Company and Coronado expires or is terminated. 

Nothing contained in Section 3 of this Agreement shall prevent Land Company from conveying, leasing or subleasing its interests in the Area of Interest
free and clear of the Operating Company Option so long as it complies with the terms of this Section 4. 
  

	 	5.	RIGHT OF FIRST REFUSAL IN FAVOR OF LAND COMPANY. 

  

	 	(a)	Right of First Refusal in the Event of Divestiture by Operating Company. 

 For a period of three
(3) years following the Effective Date, if the Operating Company receives a bona fide offer from an Interested Party to acquire all or part of any property within the Area of Interest not currently controlled by it or the Land Company, and the
Operating Company desires to accept such offer, the Operating Company shall immediately notify the Land Company in 

  
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writing and therein shall describe all of the terms and conditions of such offer. Upon receiving such notice, the Land Company shall have the right and option (the “Land Company
ROFR”) for forty-five (45) days after the receipt of such notice (the “Land Company ROFR Period”) to elect to acquire all or the relevant portion (as applicable) of such designated area for equivalent consideration and
on substantially the same terms and conditions as those contained in such Interested Party’s offer. If the Land Company ROFR is not exercised by the Land Company within the Land Company ROFR Period, the Operating Company shall have the right
(but not the obligation) to transfer such designated area(s) to such Interested Party in accordance with such Interested Party’s offer within ninety (90) days after the earlier of (i) the expiration of the Land Company ROFR Period and
(ii) such date as the Land Company notifies the Operating Company that the Land Company does not wish to exercise the Option. If the Land Company Option is exercised by the Land Company within the Land Company Option Period: (a) the
parties shall enter into mutually agreeable documentation for the transfer of such designated area (or relevant portion thereof) to the Land Company on the terms described above within thirty (30) days after the date on which the Land Company
notifies the Operating Company that it wishes to exercise the Option: (b) if the parties have not entered into such mutually agreeable documentation by the end of such ninety (90) day period, the Operating Company shall have the right (but
not the obligation) to transfer such designated area(s) to the Interested Party that made the initial offer, in accordance with such offer, within ninety (90) days thereafter; and (c) if the Operating Company has not transferred the
designated area(s) to such Interested Party within such further ninety (90) day period, the Operating Company shall not transfer such designated area(s) to any other Interested Party without providing the Land Company with the right of first
refusal to acquire the same in accordance with the terms of this subsection. 
  

	 	(b)	Option to Acquire an Acquired Area. 

 For a period of three (3) years following the
Effective Date, Operating Company does hereby give and grant unto Land Company the option to acquire from Operating Company (the “Operating Company Option”) any of Operating Company’s ownership or leasehold interests of coal or mining
rights, or any portion thereof, within any Acquired Area by giving an Exercise Notice to the Operating Company within ninety (90) days following the giving of an Acquisition Notice by Operating Company to Land Company. Thereafter, the parties
shall, within thirty (30) days following the Exercise Notice, enter into a deed or assignment of lease, as appropriate, to effectively convey or assign such ownership or leasehold interests of coal and mining rights to the Land Company in
exchange for equivalent consideration and on substantially the same terms and conditions as acquired by Operating Company. Notwithstanding the foregoing, any assignment of leases shall be expressly subject to any consent requirements under such
lease and subject to Section 6(a) hereof. If the Operating Company Option is exercised, and the conveyance or assignment consummated, then, subject to any restrictions set forth in the instruments by which the Operating Company acquired the
ownership or leasehold interest of such coal or mining rights, Land Company shall simultaneously lease or sublease, as appropriate, such coal and mining rights within such Acquired Area back to Operating Company on substantially the same terms and
conditions as set forth in the Existing Leases; provided, however, that (i) the minimum annual royalty shall be determined in the manner set forth on Exhibit C, and (ii) production royalties shall be determined in the manner set forth on
Exhibit C. 

  
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 Notwithstanding anything to the contrary in this Section 5, Land Company shall not have a Land Company
Option with respect to any future lease, sublease or other possessory interest involving the tract shown in [color] on the map attached hereto as Exhibit B (the “McDonald Leasehold”); provided, however, Land
Company shall have a Land Company Option with respect to the real property currently encompassed by the McDonald Leasehold if Operating Company acquires an ownership interest in said real property. 

 

	 	6.	MISCELLANEOUS PROVISIONS. 

  

	 	(a)	Savings Clause. 

 Notwithstanding anything to the contrary herein, the rights and privileges
granted to the Operating Company and the Land Company in Sections 3, 0, and 5 hereof shall not be binding with respect to any area if such area is acquired by way of deed, lease, sublease or other agreement which expressly prohibits Operating
Company or Land Company, as applicable, from exercising rights of the kind specified herein or encumbering such area or interest (each, a “Transfer Limitation”). In such case, those rights and privileges shall become null and void
with respect to such area affected by such Transfer Limitation (unless third party consents are first obtained to permit the exercise of rights pursuant hereto, in which case the rights and obligations of Sections 3, 0, and 5 of this Agreement may
be enforced under the terms of such consent with respect to such area affected by that Transfer Limitation), but shall continue to apply with respect to other areas for the periods of time specified herein. Provided, however, each
party covenants and agrees that it shall not utilize the foregoing limitation to avoid its obligations hereunder and shall use commercially reasonable efforts to obtain an Acquired Area without a Transfer Limitation and shall use its commercially
reasonable efforts to obtain consents under any such Transfer Limitation. 
  

	 	(b)	Further Assurances. 

 The parties agree to execute any and all documents and instruments of
transfer, assignment, assumption or novation and to perform such other acts as may be reasonably necessary or expedient to further the purposes of this Agreement and the transactions contemplated by this Agreement, including, without limitation, the
execution and delivery of a written consent of either party under this Agreement to the transfer by the other party under this Agreement of any deed, lease, sublease or other agreement. When either party’s consent is required under the Existing
Leases, such party’s consent shall not be unreasonably withheld unless expressly provided otherwise in such Existing Lease. 
  

	 	(c)	Entire Agreement. 

 This Agreement constitutes the sole and entire agreement of the parties to
this Agreement with respect to the subject matter contained herein, and supersedes all prior and contemporaneous understandings, representations and warranties and agreements, both written and oral, with respect to such subject matter. 

  
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	 	(d)	Binding Effect. 

 This Agreement shall be binding upon and shall inure to the benefit of the
parties hereto and their respective successors and permitted assigns. Notwithstanding anything contained herein to the contrary, any conveyance, transfer, lease, sublease or assignment to any Interested Party after compliance with the terms of this
Agreement by the transferring party shall extinguish the requirements of this Agreement with respect to the interests acquired by such Interested Party, and the Interested Party shall not be bound by the restrictions contained herein. 

 

	 	(e)	No Third-Party Beneficiaries. 

 This Agreement is for the sole benefit of the parties hereto and
their respective successors and permitted assigns and nothing herein, express or implied, is intended to or shall confer upon any other person any legal or equitable right, benefit or remedy of any nature whatsoever, under or by reason of this
Agreement. 
  

	 	(f)	Headings. 

 The headings in this Agreement are for reference only and shall not affect the
interpretation of this Agreement. 
  

	 	(g)	Amendment and Modification; Waiver. 

 This Agreement may only be amended, modified or
supplemented by an agreement in writing signed by each party hereto. No waiver by any party of any of the provisions hereof shall be effective unless explicitly set forth in writing and signed by the party so waiving. Except as otherwise set forth
in this Agreement, no failure to exercise, or delay in exercising, any rights, remedy, power or privilege arising from this Agreement shall operate or be construed as a waiver thereof; nor shall any single or partial exercise of any right, remedy,
power or privilege hereunder preclude any other or further exercise thereof or the exercise of any other right, remedy, power or privilege. 
  

	 	(h)	Governing Law; Jurisdiction. 

 This Agreement shall be governed by and construed in accordance
with the internal laws of the State of Delaware without giving effect to any choice or conflict of law provision or rule (whether of the State of Delaware or any other jurisdiction) that would cause the application of Laws of any jurisdiction other
than those of the State of Delaware. Any legal suit, action or proceeding arising out of or based upon this Agreement or the transactions contemplated hereby may be instituted in the federal courts of the United States or the courts of the State of
Delaware, in each case, located in the city of Dover and County of Kent, and each party irrevocably submits to the exclusive jurisdiction of such courts in any such suit, action or proceeding. Service of process, summons, notice or other document by
mail to such party’s address set forth herein shall be effective service of process for any suit, action or other proceeding brought in any such court. The parties irrevocably and unconditionally waive any objection to the laying of venue of
any suit, action or any proceeding in such courts and irrevocably waive and agree not to plead or claim in any such court that any such suit, action or proceeding brought in any such court has been brought in an inconvenient forum. 

  
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	 	(i)	Notice. 

 All notices under this Agreement will be delivered in person or by certified mail to an
authorized representative of the party to whom delivery is made at the following place of business of that party, or to any other place expressly designated by the party: 
  

	 	Operating Company:	RAM Mining, LLC 

	 	    	250 West Main Street, Suite 210 

	 	    	Lexington, Kentucky 40507 

	 	    	Attn: President 

  

	 	Land Company:	Ramaco Northern Appalachia, LLC 

	 	    	250 West Main Street, Suite 210 

	 	    	Lexington, Kentucky 40507 

	 	    	Attn: President 

  

	 	(j)	Prohibition on Assignment. 

 Neither party shall assign, or otherwise transfer this Agreement, or
any interest in this Agreement, without the other party’s prior written consent, which shall not be unreasonably withheld. 
  

	 	(k)	Counterparts. 

 This Agreement may be executed in counterparts, each of which shall be deemed an
original, but all of which together shall be deemed to be one and the same agreement. A signed copy of this Agreement delivered by facsimile, e-mail or other means of electronic transmission shall be deemed to have the same legal effect as delivery
of an original signed copy of this Agreement. 
 [ The remainder of this page is intentionally left blank ] 

  
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 IN WITNESS WHEREOF, the duly-authorized representatives of the parties to this Agreement
affirm their agreement to the terms and conditions contained herein by signing below: 
  

									
	RAM MINING, LLC	 		 	RAMACO NORTHERN APPALACHIA, LLC,
	a Delaware limited liability company	 		 	a Delaware limited liability company
					
	By:	 	/s/ Michael D. Bauersachs	 		 	By:	 	/s/ Randall W. Atkins
	Name:	 	Michael D. Bauersachs	 		 	Name:	 	Randall W. Atkins
	Title:	 	Authorized Agent	 		 	Title:	 	Authorized Agent

  
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 EXHIBIT A 

[List of Existing Leases] 
  

	1.	That certain Amended and Restated Lease dated August 20, 2015 by and between Ramaco Northern Appalachia, LLC and RAM Mining, LLC 

 EXHIBIT B 

(Map of Ram Property] 
 SEE
ATTACHED 

 

 

 EXHIBIT C 

[Royalty Calculations] 

The minimum royalty and production royalty requirements of this Agreement shall be based upon the following formulas: 

 

													
	1. Annual Minimum Royalty	 	=	 	(	 	Tonsc	 	)	 	x (GSP x Net Royalty Rate) x (Discount Factor)	 	
	 	 	 	x	 	 	 

  

																																	
	  

    2. Net Royalty Rate
	 	  
 =
	 	(	 	(	 	  
 Tonsu
	 	)	 	  
 x Underground Mining R
	 	)	 	  
 +
	 	(	 	(	 	  
 TonsH
	 	)	 		 	  
 x Highwall Mining R
	 	)	 	
	 	 	 	 	Tonsc	 	 	 	 	 	 	 	Tonsc	 	 	 	 	 	

  

																	
	  +	 	(	 	(	 	TonsS	 	)	 	x	 	Surface Mining R	 	)	 	
	 	 	 	Tonsc	 	 	 	 	 	

  

	3.	Production Royalty shall equal Underground Mining R, Highwall Mining R, and/or Surface
Mining R as applicable 

 Description of Variables: 

 

					
	Tonsc	  	=	  	Total Clean Tons of coal proposed to be leased and included in fully approved mine plans.
			
	X	  	=	  	Number of years in which it is projected to mine Tonsc under approved mine plans.
			
	GSP	  	=	  	Weighted average gross sales price per ton for coal mined by Operating Company during the previous 12 months (or fewer months if Operating Company has not conducted mining operations for 12 months).
			
	 Discount

Factor
	  	=	  	25%
			
	Tonsu	  	=	  	Total Clean Tons of coal proposed to be mined utilizing the underground mining method and included in fully approved mine plans.
			
	TonsH	  	=	  	Total Clean Tons of coal proposed to be mined utilizing the highwall mining method and included in fully approved mine plans.
			
	Tonss	  	=	  	Total clean tons of coal proposed to be mined utilizing the surface mining method and included in fully approved mine plans.
			
	 Underground

Mining R
	  	=	  	 1. If Operating Company’s interest in the Acquired Area is a leasehold interest, Operating Company shall pay a royalty rate attributable
to coal mined by the underground mining method under that certain Amended and Restated Lease dated August 20. 2015 by and between Operating Company and Land Company, or
  

2. If Operating Company’s interest in the Acquired Area is a subleasehold interest, Operating Company shall pay to Land Company a royalty rate
attributable to coal mined by the underground mining method under that certain Amended and Restated Lease dated August 20, 2015 by and between Operating Company and Land Company minus the applicable royalty rate of any applicable base lease
interests, and Operating Company shall pay to the base lessor the applicable royalty rate of any applicable base lease interests.

  
 C-1 

					
	 Highwall

Mining R
	  	=	  	 1. If Operating Company’s interest in the Acquired Area is a leasehold interest, Operating Company shall pay a royalty rate attributable
to coal mined by the highwall mining method under that certain Amended and Restated Lease dated August 20, 2015 by and between Operating Company and Land Company, or
  

2. If Operating Company’s interest in the Acquired Area is a subleasehold interest, Operating Company shall pay to Land Company a royalty rate
attributable to coal mined by the highwall mining method under that certain Amended and Restated Lease dated August 20, 2015 by and between Operating Company and Land Company minus the applicable royalty rate of any applicable base lease
interests, and Operating Company shall pay to the base lessor the applicable royalty rate of any applicable base lease interests.

			
	 Surface

Mining R
	  		  	 1. If Operating Company’s interest in the Acquired Area is a leasehold interest, Operating Company shall pay a royalty rate attributable
to coal mined by the surface mining method under that certain Amended and Restated Lease dated August 20, 2015 by and between Operating Company and Land Company, or
  

2 If Operating Company’s interest in the Acquired Area is a subleasehold interest. Operating Company shall pay to Land Company a royalty rate attributable
to coal mined by the surface mining method under that certain Amended and Restated Lease dated August 20, 2015 by and between Operating Company and Land Company minus the applicable royalty rate of any applicable base lease interests, and
Operating Company shall pay to the base lessor the applicable royalty rate of any applicable base lease interests.

 Example: 
 Assume that
Operating Company desires to lease an Acquired Area from Land Company that contains 4.0 million clean tons of coal. The mining plan that is ultimately approved by Land Company indicates that Operating Company shall mine those 4.0 million
clean tons of coal over a period of 15 years and shall sell those tons of coal for $100.00 per ton. All tons will be mined utilizing the underground mining method. 

 

																	
	1.      	 	Production Royalty = 7%	 		 		 		 		  		  			
								
	2.      	 	Annual Minimum Royalty =	 	(	 	4,000,000	 	)	 	x (100.00 x .05) x (.25)	  		  			
	 	 	 	15	 	 	  		  			
		 	Annual Minimum Royalty = (266,666.67) x 5.00 x (.25)	  			
		 	Annual Minimum Royalty = $333,333.34	  			

  
 C-2EX-10.7

 Exhibit 10.7 

Execution Version 

NEGOTIABLE PROMISSORY NOTE 

FOR VALUE RECEIVED, and subject to the terms and conditions set forth herein, RAMACO DEVELOPMENT, LLC, a Delaware limited
liability company, with its address being 250 West Main Street, Suite 210, Lexington, Kentucky 40507 (the “Maker”), hereby unconditionally promises to pay to the order of RAMACO, LLC, a Delaware limited liability company,
with its address being 250 West Main Street, Suite 210, Lexington, Kentucky 40507, or its assigns (the “Noteholder”, and together with the Maker, the “Parties”), the principal amount of Ten Million Six Hundred
Twenty-Nine Thousand Two Hundred Seventy-Five and 35/100 Dollars ($10,629,275.35) (the “Loan”), together with all accrued interest thereon, as provided in this Negotiable Promissory Note (as the same may be amended, restated,
supplemented or otherwise modified from time to time in accordance with its terms, the “Note”) as of the 31st day of August, 2016 (the “Effective Date”). 

1. Definitions. Capitalized terms used herein shall have the meanings set forth in this Section 1. 

“Applicable Rate” means the rate equal to 1.82% per annum. 

“Business Day” means a day other than a Saturday, Sunday or other day on which commercial banks in New York City are
authorized or required by law to close. 
 “First Payment Date” has the meaning set forth in Exhibit
A. 
 “Governmental Authority” means the government of any nation or any political subdivision
thereof, whether at the national, state, territorial, provincial, municipal or any other level, and any agency, authority, instrumentality, regulatory body, court, central bank or other entity exercising executive, legislative, judicial, taxing,
regulatory or administrative powers or functions of, or pertaining to, government (including any supranational bodies such as the European Union or the European Central Bank). 

“Law” means, as to any Person, any law (including common law), statute, ordinance, treaty, rule, regulation, policy or
requirement of any Governmental Authority and authoritative interpretations thereon, whether now or hereafter in effect, in each case, applicable to or binding on such Person or any of its properties or to which such Person or any of its properties
is subject. 
 “Lien” means any mortgage, pledge, hypothecation, encumbrance, lien (statutory or other),
charge or other security interest. 
 “Loan” has the meaning set forth in the introductory paragraph. 

 “Maker” has the meaning set forth in the introductory paragraph.  

“Note” has the meaning set forth in the introductory paragraph. 

 “Noteholder” has the meaning set forth in the introductory paragraph.

 “Order” means, as to any Person, any order, decree, judgment, writ, injunction, settlement agreement,
requirement or determination of an arbitrator or a court or other Governmental Authority, in each case, applicable to or binding on such Person or any of its properties or to which such Person or any of its properties is subject. 

“Parties” has the meaning set forth in the introductory paragraph. 

“Person” means any individual, corporation, limited liability company, trust, joint venture, association, company,
limited or general partnership, unincorporated organization, Governmental Authority or other entity. 
 2. Payment Amounts;
Payment Dates. The Maker shall pay the Noteholder the amounts set forth on Exhibit A on the dates set forth on Exhibit A. 

3. Interest. 
 3.1
Interest Rate. Except as otherwise provided herein, the outstanding principal amount of the Loan made hereunder shall bear interest at the Applicable Rate from the Effective Date until the Loan is paid in full. 

3.2 Computation of Interest. All computations of interest shall be made on the basis of a year of 360 days and the actual number of
days elapsed. Interest shall accrue on the Loan on the Effective Date, and shall not accrue on the Loan on the day on which it is paid. 

3.3 Interest Rate Limitation. If at any time and for any reason whatsoever, the interest rate payable on the Loan shall exceed the
maximum rate of interest permitted to be charged by the Noteholder to the Maker under applicable Law, such interest rate shall be reduced automatically to the maximum rate of interest permitted to be charged under applicable Law and any portion of
each sum paid attributable to an interest rate that exceeds the maximum rate of interest permitted by applicable Law shall be deemed a voluntary prepayment of principal. 

4. Payment Mechanics. 

4.1 Manner of Payment. All payments of interest and principal shall be made in lawful money of the United States of America no later
than 5:00 PM on the date on which such payment is due by cashier’s check, certified check or by wire transfer of immediately available funds to the Noteholder’s account at a bank specified by the Noteholder in writing to the Maker from
time to time. 
 4.2 Application of Payments. All payments made hereunder shall be applied first, to the payment of any fees or
charges outstanding hereunder, second, to the payment of accrued interest (except as otherwise set forth on Exhibit A) and third, to the payment of the principal amount outstanding under the Note. 

4.3 Business Day Convention. Whenever any payment to be made hereunder shall be due on a day that is not a Business Day, such payment
shall be made on the next succeeding Business Day and such extension will be taken into account in calculating the amount of interest payable under this Note. 

  
 Page 2 of 7 

 5. Representations and Warranties. The Maker hereby represents and warrants to the
Noteholder on the date hereof as follows: 
 5.1 Existence. The Maker is a limited liability company duly formed, validly existing
and in good standing under the laws of the state of its jurisdiction of organization. 
 5.2 Power and Authority. The Maker has the
power and authority, and the legal right, to execute and deliver this Note and to perform its obligations hereunder. 
 5.3
Authorization; Execution and Delivery. The execution and delivery of this Note by the Maker and the performance of its obligations hereunder have been duly authorized by all necessary limited liability company action in accordance with all
applicable Laws. The Maker has duly executed and delivered this Note. 
 5.4 No Approvals. No consent or authorization of, filing
with, notice to or other act by, or in respect of, any Governmental Authority or any other Person is required in order for the Maker to execute, deliver, or perform any of its obligations under this Note. 

5.5 No Violations. The execution and delivery of this Note and the consummation by the Maker of the transactions contemplated hereby do
not and will not: (a) violate any provision of the Maker’s organizational documents; (b) violate any Law or Order applicable to the Maker or by which any of its properties or assets may be bound; or (c) constitute a default under
any material agreement or contract by which the Maker may be bound. 
 5.6 Enforceability. The Note is a valid, legal and binding
obligation of the Maker, enforceable against the Maker in accordance with its terms, except as enforceability may be limited by applicable bankruptcy, insolvency, reorganization, moratorium or similar laws affecting the enforcement of
creditors’ rights generally and by general equitable principles (whether enforcement is sought by proceedings in equity or at law). 

6. Subordination. In the event that any of the Preferred Units of the Maker held by (a) Energy Capital Partners Mezzanine
Opportunities Fund, LP, a Delaware limited partnership, (b) Energy Capital Partners Mezzanine Opportunities Fund A, LP, a Delaware limited partnership or (C) ECP Mezzanine B (Ramaco IP), LP, a Delaware limited partnership, are not redeemed
in full at the Maturity Date (as defined in that certain Second Amended and Restated Limited Liability Company Agreement of the Maker, dated as of August 31, 2016 (as may be further amended, the “LLCA”)) of the Preferred Units,
this Note and any remaining payments to be made hereunder shall be subordinated in any and all respects to the Preferred Units. For the avoidance of doubt, such subordination shall apply to any debt instrument entered into by the Maker in exchange
for the cancellation by the Maker of the Preferred Units, including any debt instrument including the terms set forth on Exhibit D to the LLCA. 

  
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 7. Miscellaneous. 

7.1 Notices. 
 (a) All
notices, requests or other communications required or permitted to be delivered hereunder shall be delivered in writing to such address as a Party may from time to time specify in writing. 

(b) Notices if (i) mailed by certified or registered mail or sent by hand or overnight courier service shall be deemed to have been given
when received, (ii) sent by facsimile during the recipient’s normal business hours shall be deemed to have been given when sent (and if sent after normal business hours shall be deemed to have been given at the opening of the
recipient’s business on the next business day) and (iii) sent by e-mail shall be deemed received upon the sender’s receipt of an acknowledgment from the intended recipient (such as by the “return receipt requested” function,
as available, return e-mail or other written acknowledgment). 
 7.2 Expenses. The Noteholder shall be responsible for all costs,
expenses and fees incurred by the Noteholder in connection with the transactions contemplated hereby, including the negotiation, documentation and execution of this Note and the enforcement of the Noteholder’s rights hereunder. 

7.3 Governing Law. This Note and any claim, controversy, dispute or cause of action (whether in contract or tort or otherwise) based
upon, arising out of or relating to this Note and the transactions contemplated hereby shall be governed by the laws of the State of New York, without regard to any conflict of laws provisions thereof. 

7.4 Submission to Jurisdiction. 

(a) The Maker hereby irrevocably and unconditionally (i) agrees that any legal action, suit or proceeding arising out of or relating to
this Note may be brought in the courts of the State of New York or of the United States of America for the Southern District of New York and (ii) submits to the exclusive jurisdiction of any such court in any such action, suit or proceeding.
Final judgment against the Maker in any action, suit or proceeding shall be conclusive and may be enforced in any other jurisdiction by suit on the judgment. 

(b) Nothing in this Section 7.4 shall affect the right of the Noteholder to (i) commence legal proceedings or
otherwise sue the Maker in any other court having jurisdiction over the Maker or (ii) serve process upon the Maker in any manner authorized by the laws of any such jurisdiction. 

7.5 Venue. The Maker irrevocably and unconditionally waives, to the fullest extent permitted by applicable law, any objection that it
may now or hereafter have to the laying of venue of any action or proceeding arising out of or relating to this Note in any court referred to in Section 7.4(b) and the defense of an inconvenient forum to the maintenance of
such action or proceeding in any such court. 

  
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 7.6 Waiver of Jury Trial. THE MAKER HEREBY IRREVOCABLY WAIVES, TO THE FULLEST EXTENT
PERMITTED BY APPLICABLE LAW, ANY RIGHT IT MAY HAVE TO A TRIAL BY JURY IN ANY LEGAL PROCEEDING DIRECTLY OR INDIRECTLY RELATING TO THIS NOTE OR THE TRANSACTIONS CONTEMPLATED HEREBY WHETHER BASED ON CONTRACT, TORT OR ANY OTHER THEORY. 

7.7 Counterparts; Integration; Effectiveness. This Note and any amendments, waivers, consents or supplements hereto may be executed in
counterparts, each of which shall constitute an original, but all taken together shall constitute a single contract. This Note constitutes the entire contract between the Parties with respect to the subject matter hereof and supersedes all previous
agreements and understandings, oral or written, with respect thereto. Delivery of an executed counterpart of a signature page to this Note by facsimile or in electronic format (i.e., “pdf” or “tif”) shall be effective as
delivery of a manually executed counterpart of this Note. 
 7.8 Successors and Assigns. This Note may be assigned, transferred or
negotiated by the Noteholder to any Person at any time without notice to or the consent of the Maker. The Maker may not assign or transfer this Note or any of its rights hereunder without the prior written consent of the Noteholder. This Note shall
inure to the benefit of and be binding upon the Parties hereto and their permitted assigns. 
 7.9 Waiver of Notice. The Maker hereby
waives presentment, demand for payment, protest, notice of dishonor, notice of protest or nonpayment, notice of acceleration of maturity and diligence in connection with the enforcement of this Note or the taking of any action to collect sums owing
hereunder. 
 7.10 Amendments and Waivers. No term of this Note may be waived, modified or amended except by an instrument in writing
signed by both of the Parties hereto. Any waiver of the terms hereof shall be effective only in the specific instance and for the specific purpose given. 

7.11 Headings. The headings of the various Sections and subsections herein are for reference only and shall not define, modify, expand
or limit any of the terms or provisions hereof. 
 7.12 No Waiver; Cumulative Remedies. No failure to exercise and no delay in
exercising on the part of the Noteholder, of any right, remedy, power or privilege hereunder shall operate as a waiver thereof; nor shall any single or partial exercise of any right, remedy, power or privilege hereunder preclude any other or further
exercise thereof or the exercise of any other right, remedy, power or privilege. The rights, remedies, powers and privileges herein provided are cumulative and not exclusive of any rights, remedies, powers and privileges provided by law. 

7.13 Severability. If any term or provision of this Note is found to be invalid, illegal or unenforceable in any jurisdiction, such
invalidity, illegality or unenforceability shall not affect any other term or provision of this Note or invalidate or render unenforceable such term or provision in any other jurisdiction. 

  
 Page 5 of 7 

 7.14 Entire Agreement. This Note constitutes the entire agreement and understanding of the
Parties in respect of its subject matters and supersedes all prior understandings, agreements, or representations by or among the Parties, written or oral, to the extent they relate to the subject matter hereof, including, without limitation, that
certain letter agreement dated August 20, 2015, by and between the Parties relating to an agreement concerning a loan for previously incurred development costs. 

[Signature Page Follows] 

  
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 IN WITNESS WHEREOF, the Maker has executed this Note as of the Effective Date. 

 

			
	RAMACO DEVELOPMENT, LLC,
	a Delaware limited liability company
		
	By:	 	/s/ Michael Bauersachs
	Name:	 	Michael Bauersachs
	Title:	 	President and Secretary

  
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 EXHIBIT A 

(PAYMENT SCHEDULE) 
 1. For
purposes of this Exhibit A, capitalized terms used herein shall have the meanings set forth below: 

“Capital Expenditures” means costs and expenses associated with the acquisition, development or redevelopment of any
fixed or capital assets of the Maker or its subsidiaries on a consolidated basis which, pursuant to generally accepted accounting principles, are required to be capitalized and subject to depreciation or amortization. 

“EBITDA” means earnings before the deduction of interest, taxes, depreciation, depletion and amortization with respect
to the Maker and its subsidiaries on a consolidated basis. 
 2. First Payment. On or before December 31, 2018 (the “First
Payment Date”), the Maker shall pay the Noteholder a principal sum equal to Four Million and 00/100 Dollars ($4,000,000.00), which shall be applied solely to the principal balance of the Loan; provided,
however, that if on the First Payment Date, EBITDA less Capital Expenditures for the twelve month period preceding the First Payment Date is less than Forty Million Dollars ($40,000,000) (the “Threshold”), the
First Payment Date shall be delayed by twelve (12) months. The First Payment Date will be further delayed by twelve (12) months if the Threshold is not met in the following year and each year thereafter until the Preferred Units of the
Maker are redeemed in accordance with Article X of the LLCA or the Threshold is met with respect to the preceding twelve (12) month period. 

3. Second Payment. On the first anniversary of the First Payment Date (the “Second Payment Date”), the Maker shall pay the
Noteholder a principal sum equal to Four Million and 00/100 Dollars ($4,000,000.00), plus accrued interest on the outstanding principal amount of this Note; provided, however, that if on the Second Payment
Date, the Threshold is not met with respect to the preceding twelve (12) month period, the Second Payment Date shall be delayed by twelve (12) months. The Second Payment Date will be further delayed by twelve (12) months if the
Threshold is not met in the following year and each year thereafter until the Preferred Units of the Maker are redeemed in accordance with Article X of the LLCA or the Threshold is met with respect to the preceding twelve (12) month period.

 4. Final Payment Date. The aggregate unpaid principal amount of the Loan, all accrued and unpaid interest and all other amounts payable under
this Note shall be due and payable on the first anniversary of the Second Payment Date (the “Final Payment Date”); provided, however, that if on the Final Payment Date, the Threshold is not met with respect to the
preceding twelve (12) month period, the Final Payment Date shall be delayed by twelve (12) months. The Final Payment Date will be further delayed by twelve (12) months if the Threshold is not met in the following year and each year
thereafter until the Preferred Units of the Maker are redeemed in accordance with Article X of the LLCA or the Threshold is met with respect to the preceding twelve (12) month period. 

  
 Exhibit A

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