EX-4.2





 Exhibit 4.2 
  

			
	NUMBER	  	
	C-	  	SHARES

 SEE REVERSE FOR 

CERTAIN DEFINITIONS 
 CUSIP [●]

 SPECIMEN CLASS A COMMON STOCK CERTIFICATE 

JUNIPER II 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 OF THE CLASS A COMMON STOCK OF 
 JUNIPER II CORP. 

(THE “CORPORATION”) 

subject to the Corporation’s amended and restated certificate of incorporation, as the same may be amended from time to time, and
transferable on the books of the Corporation in person or by duly authorized attorney upon surrender of this certificate properly endorsed. 

The Corporation will be forced to redeem all of its shares of Class A common stock if it is unable to complete a business combination
within the period set forth in the Corporation’s amended and restated certificate of incorporation, as the same may be amended from time to time, all as more fully described in the Corporation’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 Corporation and the facsimile signatures of its duly authorized officers. 

Dated:              

 

					
	Chief Executive Officer	  	        [Corporate Seal]        	  	Chief Financial Officer
			
		  	Delaware	  	
	  
	  		  	  














 JUNIPER II CORP. 

The Corporation 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 Corporation 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 Corporation’s amended and restated certificate of incorporation, as the same may be amended from time to time, and resolutions of the Board of Directors providing for the issue of securities (copies of which
may be obtained from the secretary of the Corporation), 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 the capital stock represented by the within Certificate, and does hereby irrevocably constitute and appoint 

 
  

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

Dated:__________ 
  

	
	   

	 Stockholder



  
  

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

	
	   

	
	   


 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 Corporation’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 Corporation redeems the shares of Class A 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 Corporation’s amended and restated certificate of incorporation, as the same may be amended from time to time, (ii) the Corporation redeems the shares of Class A common
stock sold in its initial public offering in connection with a stockholder vote to amend the Corporation’s amended and restated certificate of incorporation to modify the substance or timing of the Corporation’s obligation to provide
holders of the Class A common stock the right to have their shares redeemed in connection with the Corporation’s initial business combination or to redeem 100% of the Class A common stock if the Corporation does not complete its
initial business combination within the time period set forth therein or with respect to any other provision relating to the rights of holders of the Class A common stock 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 Corporation 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.