Exhibit 4.2


 


NUMBER


C-


SHARES


 


SEE REVERSE FOR CERTAIN DEFINITIONS


CUSIP                


INTEGRATED ENERGY
TRANSITION 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 Class A common stock, par value $0.0001 per share (the “Common
Stock”), of Integrated Energy Transition Acquisition Corp., a Delaware corporation (the “Company”),
transferable on the books of the Company in person or by duly authorized attorney upon surrender of this certificate properly endorsed.


 


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


 


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 stockholder 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. 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 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 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
Common Stock represented by the within Certificate, and hereby irrevocably constitutes and appoints


 


Attorney to transfer the said shares of Common 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:


	 	 




 


	
        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.