Document:

Exhibit 10.8

 

ONE EQUITY PARTNERS OPEN WATER I CORP.

c/o OEP Open Water I Holdings, LLC

510 Madison Avenue, 19th Floor

New York, New York 10022

 

January [    ],
2021

 

OEP Open Water I Holdings, LLC

510 Madison Avenue, 19th Floor

New York, New York 10022

 

Ladies and Gentlemen:

 

This letter agreement will confirm our agreement that, commencing
on the effective date (the “Effective Date”) of the registration statement (the “Registration
Statement”) for the initial public offering (the “IPO”) of the securities of One Equity
Partners Open Water I Corp. (the “Company”) and continuing until the earlier of (i) the consummation
by the Company of an initial business combination and (ii) the Company’s liquidation (in each case as described in the
Registration Statement) (such earlier date hereinafter referred to as the “Termination Date”):

 

		i.	OEP Open Water I Holdings LLC (the “Sponsor”) shall take steps directly or indirectly to make available
to the Company, at 510 Madison Avenue, 19th Floor, New York, New York 10022 (or any successor location), certain office space,
secretarial and administrative services as may be required by the Company from time to time. In exchange therefor, the Company
shall pay Sponsor the sum of $5,000 per month on the Effective Date and continuing monthly thereafter until the Termination Date;
and

 

		ii.	Sponsor hereby agrees that it does not have any right, title, interest or claim of any kind (a “Claim”)
in or to any monies that may be set aside in a trust account (the “Trust Account”) that may be established
upon the consummation of the IPO, and hereby irrevocably waives any Claim it may have in the future as a result of, or arising
out of, any negotiations, contracts or agreements with the Company and will not seek recourse against the Trust Account for any
reason whatsoever.

 

This letter agreement constitutes the entire agreement and understanding
of the parties hereto in respect of its subject matter and supersedes all prior understandings, agreements, or representations
by or among the parties hereto, written or oral, to the extent they relate in any way to the subject matter hereof or the transactions
contemplated hereby.

 

This letter agreement may not be amended, modified or waived
as to any particular provision, except by a written instrument executed by the parties hereto.

 

The parties may not assign this letter agreement and any of
their rights, interests, or obligations hereunder without the consent of the other party.

 

This letter agreement shall be governed by, construed in accordance
with, and interpreted pursuant to the laws of the State of New York, without giving effect to its choice of laws principles that
will apply the laws of another jurisdiction.

 

This letter agreement may be executed in one or more counterparts,
each of which shall for all purposes be deemed to be an original but all of which together shall constitute one and the same agreement.
Only one such counterpart signed by the party against whom enforceability is sought needs to be produced to evidence the existence
of this letter agreement.

 

[Signature Page Follows]

 

    

     

    

 

	 	Very truly yours,
	 	 
	 	One Equity Partners Open Water I Corp.
	 	 	 
	 	By:	 
	 	 	Name:	Jessica Marion
	 	 	Title:	Chief Financial Officer

 

	AGREED TO AND ACCEPTED BY:
	 
	OEP OPEN WATER I HOLDINGS, LLC
	 	 
	By:	 	 	 
	 	Name:	Jessica Marion
	 	Title:	Chief Financial Officer

 

[Signature
Page to Administrative Support Agreement]Specimen Unit Certificate

 Exhibit 4.1 

SPECIMEN UNIT CERTIFICATE 

NUMBER UNITS U- 
  

			
	 SEE REVERSE FOR
 CERTAIN

DEFINITIONS
	  	Jack Creek Investment Corp.

 CUSIP [    ] 

UNITS CONSISTING OF ONE CLASS A ORDINARY SHARE AND ONE-HALF OF ONE 

REDEEMABLE 
 WARRANT TO
PURCHASE ONE CLASS A ORDINARY SHARE 
 THIS CERTIFIES
THAT                    is the owner
of                    Units. 
 Each Unit
(“Unit”) consists of one (1) Class A ordinary share, par value $0.0001 per share (“Ordinary Shares”), of Jack Creek Investment Corp., a Cayman Islands exempted company (the “Company”), and one-half (1/2) of
one redeemable warrant (each whole warrant, a “Warrant”). Each Warrant entitles the holder to purchase one (1) Ordinary Share 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, share exchange, asset acquisition, share 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 Ordinary Shares and Warrants comprising the Units represented by this certificate are not transferable
separately prior to             , 2021, unless UBS Securities LLC and J.P. Morgan Securities LLC elects to allow earlier separate trading, subject to the Company’s filing with the
Securities and Exchange Commission of a Current Report on Form 8-K containing an audited balance sheet reflecting the Company’s receipt of the gross proceeds of the 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 are exerciseable. 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 the consummation of the Business Combination, the Units represented by this
certificate will automatically separate into the Class A Ordinary Shares and Warrants comprising such Units. 
 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 signatures of its duly authorized officers. 

 

									
	By	 	
                     
                                       
	 		 		 	
                     
                                       

		 	Chief Executive Officer	 		 		 	Chief Financial Officer

  

 Jack Creek Investment 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 shares 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
					
		 		  		  	  
	  	  

		 		  		  	    (Cust)    	  	    (Minor)    
				
	TEN ENT	 	        as tenants by the entireties
	  		  	under Uniform Gifts to Minors Act
				
		 		  		  	  

		 		  		  	(State)
	JT TEN	 	        as joint tenants with right of survivorship
and not as tenants in common
	  		  	

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

  
 2 

 For value received,
                     hereby sells, assigns and transfers 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 RULES).	 	

 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 the Company’s initial public offering only in the event that (i) the Company redeems the Ordinary Shares 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 memorandum and articles of association, as the same may be amended from time to time, (ii) the Company redeems the Ordinary Shares sold in its initial public offering in
connection with a shareholder vote to amend the Company’s amended and restated memorandum and articles of association (A) that would modify the substance or timing of the Company’s obligation to provide holders of the Ordinary Shares
the right to have their shares redeemed in connection with the Company’s initial business combination or to redeem 100% of the Ordinary Shares if the Company does not complete its initial business combination within the time period set forth
therein or (B) with respect to any other provision relating to the rights of holders of the Ordinary Shares, or (iii) if the holder(s) seek(s) to redeem for cash his, her or its respective Ordinary Shares in connection with a tender offer
(or proxy solicitation, solely in the event the Company seeks shareholder 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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