Document:

EX-4.1

 Exhibit 4.1 
  

			
	 NUMBER
	  	UNITS
	 U-
	  	

 SEE REVERSE FOR CERTAIN DEFINITIONS 

CUSIP              

INTEGRATED RAIL AND RESOURCES ACQUISITION CORP. 

UNITS CONSISTING OF ONE SHARE OF COMMON STOCK AND ONE HALF WARRANT, 

EACH WHOLE WARRANT ENTITLING THE HOLDER TO PURCHASE ONE SHARE OF COMMON STOCK 

THIS CERTIFIES THAT     is the owner of Units. 

Each Unit (“Unit”) consists of one (1) share of Class A common stock, par value $0.0001 per share
(“Common Stock”), of Integrated Rail and Resources Acquisition Corp., a Delaware corporation (the “Company”), and one half of one redeemable warrant (the “Warrant”). Each
whole Warrant entitles the holder to purchase one (1) share (subject to adjustment) of Common Stock for $11.50 per share (subject to adjustment). Each Warrant will become exercisable on the later of (i) thirty (30) days after the
Company’s completion of a merger, capital stock exchange, asset acquisition, stock purchase, reorganization or other similar business combination with one or more businesses (each a “Business Combination”), or
(ii) twelve (12) months from the closing of the Company’s initial public offering, and will expire unless exercised before 5:00 p.m., New York City Time, on the date that is five (5) years after the date on which the Company
completes its initial Business Combination, or earlier upon redemption or liquidation (the “Expiration Date”). The Common Stock and Warrants comprising the Units represented by this certificate are not transferable
separately prior to                 , 2021, unless Stifel, Nicolaus & Company, Incorporated elect to allow separate trading earlier, subject to the
Company’s filing of a Current Report on Form 8-K with the Securities and Exchange Commission containing an audited balance sheet reflecting the Company’s receipt of the gross proceeds of the
Company’s initial public offering and issuing a press release announcing when separate trading will begin. The terms of the Warrants are governed by a Warrant Agreement, dated as
of                 , 2021, between the American Stock Transfer & Trust Company, LLC, as Warrant Agent, and are subject to the terms and provisions contained
therein, all of which terms and provisions the holder of this certificate consents to by acceptance hereof. Copies of the Warrant Agreement are on file at the office of the Warrant Agent at 1 State Street, 30th Floor, New York, New York 10004, and are available to any Warrant holder on written request and without cost. 

This certificate is not valid unless countersigned by the Transfer Agent and Registrar of the Company. 

This certificate shall be governed by and construed in accordance with the internal laws of the State of New York. 

Witness the facsimile signature of a duly authorized signatory of the Company. 

 

					
	   
	 		 	   

	 Authorized Signatory
	 		 	 Transfer Agent

 Integrated Rail and Resources Acquisition Corp. 

The Company will furnish without charge to each unitholder who so requests, a statement of the powers, designations, preferences and relative,
participating, optional or other special rights of each class of stock or series thereof of the Company and the qualifications, limitations, or restrictions of such preferences and/or rights. 

The following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were written out
in full according to applicable laws or regulations: 
  

															
	 TEN COM — as tenants in common
	  	 	UNIF GIFT	 	  	 	—	 	  	Custodian	 
		  	 
	MIN
ACT	
 	  				  	  
	 	  
	  
	 
	 TEN ENT — as tenants by the entireties
	  				  				  	(Cust)	 	 	(Minor)	 
	 JT TEN — as joint tenants with right of survivorship and not as tenants in common
	  				  				  	under Uniform Gifts to Minors Act	   

 (State)         

Additional abbreviations may also be used though not in the above list. 

For value received, hereby sell, assign and transfer unto 

(PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER OF ASSIGNEE) 

(PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE) 

Units represented by the within Certificate, and do hereby irrevocably constitute and appoint 

Attorney to transfer the said Units on the books of the within named Company with full power of substitution in the premises. 

 

							
	Dated	 		 	 
		 		 	 Notice: The signature to this assignment must correspond with the name as written upon the face of the certificate in
every particular, without alteration or enlargement or any change whatever.

	 Signature(s) Guaranteed:
	 	 	 	 	 	
	THE SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM,
PURSUANT TO S.E.C. RULE 17Ad-15 (OR ANY SUCCESSOR RULE).	 	

 In each case, as more fully described in the Company’s final prospectus dated     , 2021, the
holder(s) of this certificate shall be entitled to receive a pro-rata portion of certain funds held in the trust account established in connection with its initial public offering only in the event that
(i) the Company redeems the shares of common stock sold in the Company’s initial public offering and liquidates because it does not consummate an initial business combination within the time period set forth in the Company’s amended
and restated certificate of incorporation, as the same may be amended from time to time (such date being referred to herein as the “Last Date”), (ii) the Company redeems the shares of common stock sold in its initial public offering in
connection with a stockholder vote to amend the Company’s amended and restated certificate of incorporation to modify the substance or timing of the Company’s obligation to redeem 100% of the common stock if it does not consummate an
initial business combination by the Last Date, or (iii) if the holder(s) seek(s) to redeem for cash his, her or its respective shares of common stock in connection with a tender offer (or proxy solicitation, solely in the event the Company
seeks stockholder approval of the proposed initial business combination) setting forth the details of a proposed initial business combination. In no other circumstances shall the holder(s) have any right or interest of any kind in or to the trust
account.EX-4.2

 Exhibit 4.2 
  

			
	 NUMBER
	  	 NUMBER

		  	 C-

		  	 SHARES

		  	 SEE REVERSE FOR CERTAIN DEFINITIONS

		  	 CUSIP

 INTEGRATED RAIL AND RESOURCES ACQUISITION CORP. 

INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE 

CLASS A COMMON STOCK 
 This Certifies that

 is the owner of 
 FULLY PAID AND NON-ASSESSABLE SHARES OF THE PAR VALUE OF $0.0001 EACH SHARE OF COMMON STOCK OF 
 INTEGRATED RAIL AND
RESOURCES ACQUISITION CORP. 
 (THE “COMPANY”) 

transferable on the books of the Company in person or by duly authorized attorney upon surrender of this certificate properly endorsed. 

The Company will be forced to redeem all of its shares of Class A common stock if it is unable to complete a business combination
by                , 2023, all as more fully described in the Company’s final prospectus dated
                , 2021. 
 This certificate is not valid unless
countersigned by the Transfer Agent and registered by the Registrar. 
 Witness the seal of the Company and the facsimile signatures of its duly authorized
officers. 
  

					
	 Chief Executive Officer
	  	[Corporate Seal] Delaware	 	 Chief Financial Officer

 INTEGRATED RAIL AND RESOURCES ACQUISITION CORP. 

The Company will furnish without charge to each stockholder who so requests the powers, designations, preferences and relative, participating, optional or
other special rights of each class of stock or series thereof of the Company and the qualifications, limitations, or restrictions of such preferences and/or rights. This certificate and the shares represented thereby are issued and shall be held
subject to all the provisions of the Company’s amended and restated certificate of incorporation and all amendments thereto and resolutions of the Board of Directors providing for the issue of securities (copies of which may be obtained from
the secretary of the Company), to all of which the holder of this certificate by acceptance hereof assents. The following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were written out
in full according to applicable laws or regulations: 
  

											
	 TEN COM
	 	— as tenants in common	  	 UNIF GIFT
	 	—	  	 Custodian

		 		  	 MIN

ACT
	 		  	  
	  	  

	 TEN ENT
	 	— as tenants by the entireties	  		 		  	(Cust)	  	(Minor)
	 JT TEN
	 	— as joint tenants with right of survivorship and not as tenants in common	  		 		  	 under Uniform Gifts to Minors Act

					
		 		  		 		  	(State)

 Additional abbreviations may also be used though not in the above list. 

For value received,         hereby sells, assigns and transfers unto 

(PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER(S) OF ASSIGNEE(S)) 

 (PLEASE PRINT OR TYPEWRITE NAME(S) AND ADDRESS(ES), INCLUDING ZIP CODE, OF ASSIGNEE(S)) 

shares of the capital stock represented by the within Certificate, and hereby irrevocably constitutes and appoints 

Attorney to transfer the said stock on the books of the within named Company with full power of substitution in the premises. 

 

	
	 Dated:

	NOTICE: THE SIGNATURE(S) TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE WHATEVER.
	 Signature(s) Guaranteed:

	 By

  
 2 

	
	THE SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE
MEDALLION PROGRAM, PURSUANT TO S.E.C. RULE 17Ad-15 (OR ANY SUCCESSOR RULE).

 In each case, as more fully described in the Company’s final prospectus
dated                , 2021, the holder(s) of this certificate shall be entitled to receive a pro-rata portion of certain funds
held in the trust account established in connection with its initial public offering only in the event that (i) the Company redeems the shares of Class A common stock sold in the Company’s initial public offering and liquidates
because it does not consummate an initial business combination within the time period set forth in the Corporation’s amended and restated certificate of incorporation, as the same may be amended from time to time (such date being referred to
herein as the “Last Date”), (ii) the Company redeems the shares of Class A common stock sold in its initial public offering in connection with a stockholder vote to amend the Company’s amended and restated certificate of
incorporation to modify the substance or timing of the Company’s obligation to redeem 100% of the Class A common stock if it does not consummate an initial business combination by the Last Date, or (iii) if the holder(s) seek(s) to
redeem for cash his, her or its respective shares of Class A common stock in connection with a tender offer (or proxy solicitation, solely in the event the Company seeks stockholder approval of the proposed initial business combination) setting
forth the details of a proposed initial business combination. In no other circumstances shall the holder(s) have any right or interest of any kind in or to the trust account. 

  
 3

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