EX-10.5





 Exhibit 10.5 

SUMMIT HEALTHCARE ACQUISITION CORP. 

Unit 1101, 11th Floor, 1 Lyndhurst Tower 

1 Lyndhurst Terrace, Central 
 Hong
Kong 
 June 8, 2021 
 Summit Healthcare
Acquisition Sponsor LLC 
 Unit 1101, 11th Floor, 1 Lyndhurst Tower 

1 Lyndhurst Terrace, Central 
 Hong Kong 

Ladies and Gentlemen: 
 This letter 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 Summit Healthcare Acquisition 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”), Summit Healthcare Acquisition Sponsor LLC (the
“Sponsor”) shall take steps directly or indirectly to make available to the Company certain office space, utilities, administrative services and remote support services as may be required by the Company from time to time,
situated at Unit 1101, 11th Floor, 1 Lyndhurst Tower, 1 Lyndhurst Terrace, Central, Hong Kong (or any successor location). In exchange therefore, the Company shall pay the Sponsor a sum of $10,000 per month on the Effective Date and continuing
monthly thereafter until the Termination Date. The 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] 

  
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	Very truly yours,
	
	SUMMIT HEALTHCARE ACQUISITION CORP.
		
	By:	 	 /s/ Bo Tan

	Name:	 	Bo Tan
	Title:	 	Chief Executive Officer, Co-Chief Investment Officer and Director


  

			
	AGREED TO AND ACCEPTED BY:
	
	SUMMIT HEALTHCARE ACQUISITION SPONSOR LLC
		
	By:	 	 /s/ Bo Tan

	Name:	 	Bo Tan
	Title:	 	Manager

 [Signature Page to Administrative Services Agreement]