Exhibit 4.1


 


	NUMBER	UNITS




U-


 


SEE REVERSE FOR CERTAIN DEFINITIONS


 


CUSIP               


 


INTEGRATED ENERGY TRANSITION
ACQUISITION CORP.


 


UNITS CONSISTING
OF ONE SHARE OF CLASS A COMMON STOCK AND ONE-HALF OF ONE

 REDEEMABLE WARRANT TO PURCHASE ONE SHARE OF CLASS A COMMON STOCK


 


THIS CERTIFIES THAT                    is the owner of            Units.


 


Each
Unit (“Unit”) consists of one share of Class A common stock, par value $0.0001 per share
(“Common Stock”), of Integrated Energy Transition 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 share of Common Stock for $11.50 per share (subject to adjustment). Only
whole Warrants are exercisable. Each whole 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”), and (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 the underwriter for the Company’s initial public offering elects 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. No fractional Warrants will be issued upon
separation of the Units and only whole Warrants will trade. The terms of the Warrants are governed by a Warrant Agreement,
dated as
of                            
                  
                    
               
          , 2021, between the Company and Continental Stock Transfer & Trust
Company, 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.


 


Upon consummation
of a Business Combination, the Units represented by this certificate will automatically separate into the shares of Common Stock
and Warrants comprising such Units.


 


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


 


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


 


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


 


	Authorized Signatory	 	Transfer Agent



 






     


     


    

 


INTEGRATED ENERGY
TRANSITION 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 equity 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 MIN ACT	—	 	Custodian	 
	TEN ENT	—	as tenants by the entireties	 	 	(Cust)	 	(Minor)

	JT TEN	—	as joint
tenants with right of survivorship and not as tenants in 	 	 	under Uniform Gifts to Minors Act



common


 


	 	(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 UNDER THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED (OR ANY SUCCESSOR RULE)).	







 


In
each case, as more fully described in the Company’s preliminary prospectus dated [    ], 2021, or any further
amendments, revisions or changes to such prospectus made and released by the Company after such date, 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 the Company’s initial public offering only in the event that (i) the Company redeems the shares of
Common Stock sold in its initial public offering and liquidates because it does not consummate an initial business
combination within the period of time set forth in the Company’s amended and restated certificate of incorporation, as
the same may be amended from time to time (the “Charter”), (ii) the Company redeems the shares of Common Stock
sold in its initial public offering properly submitted in connection with a stockholder vote to approve an amendment to the
Charter 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 within the period of time set forth in the Charter or with respect to any other
material provisions relating to stockholders’ rights or pre-initial business combination activity, 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.