EX-10.10





 Exhibit 10.10 

Surrender of Shares and 
 Amendment
No. 1 to the 
 Securities Subscription Agreement 

This Surrender of Shares and Amendment No. 1 to the Securities Subscription Agreement, dated April 8, 2021 (this “Agreement”), is made by
and between Post Holdings Partnering Corporation, a Delaware corporation (the “Company”), and PHPC Sponsor, LLC, a Delaware limited liability company (the “Subscriber”). 

WHEREAS, the Company and the Subscriber have entered into that certain Securities Subscription Agreement, dated as of January 27, 2021 (the
“Subscription Agreement”), pursuant to which the Subscriber subscribed for an aggregate of 11,500,000 shares of Series F common stock, par value $0.0001 per share of the Company (“Series F
Shares”), for an aggregate purchase price of $25,000, and up to 1,500,000 of such Series F Shares are subject to complete or partial forfeiture by the Subscriber if the underwriters of the Company’s initial public offering (the
“IPO”) do not fully exercise their over-allotment option as described therein; 
 WHEREAS, the Subscriber desires to surrender for no
consideration 2,875,000 Series F Shares, resulting in an aggregate of 8,625,000 Series F shares outstanding, up to 1,125,000 of which are intended to be subject to complete or partial forfeiture by the Subscriber if the underwriters of the
Company’s IPO do not fully exercise their over-allotment option as described in the Subscription Agreement; 
 WHEREAS, as a result of such surrender, the per-share purchase price will increase from approximately $0.002 per share to $0.003 per share; and 

WHEREAS, the Company and the Subscriber desire to amend the Subscription Agreement to modify the number of Series F Shares subject to forfeiture in
connection with the IPO and the Subscriber desires to provide an irrevocable notice of surrender of certain Series F Shares to the Company. 
 NOW,
THEREFORE, in consideration of the mutual conditions and agreements set forth in this Agreement, and other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto hereby agree as follows:

  

	 	1.	 Surrender of Shares. 


  


	 	(a)	 The Subscriber hereby irrevocably surrenders to the Company for no consideration 2,875,000 Series F Shares.



  

	 	(b)	 The Subscriber confirms that the Company has not, as at the date of this letter, issued any share certificates to it.



  

	 	2.	 Amendment to Subscription Agreement. Section 3.1 of the Subscription Agreement is hereby deleted in its
entirety and replaced with a new Section 3.1 to read as follows: 


 “3.1. Partial or No Exercise of the
Over-allotment Option. In the event the Over-allotment Option granted to the representative(s) of the underwriters of the Company’s IPO is not exercised in full, the Subscriber acknowledges and agrees that it shall forfeit any and all
rights to such number of Shares (up to an aggregate of 1,125,000 Shares and pro rata based upon the percentage of the Over-allotment Option exercised) such that immediately following such forfeiture, the Subscriber (and all other initial
shareholders prior to the IPO, if any) will own an aggregate number of Shares (not including shares of Common Stock issuable upon exercise of any warrants or any shares of Common Stock purchased by Subscriber in the IPO, in a private placement in
connection with the IPO, or in the aftermarket) equal to 20% of the issued and outstanding shares of Common Stock immediately following the IPO.” 
  

	 	3.	 Agreement Remains Effective. Except as modified herein or amended hereby, the terms and conditions contained in
the Subscription Agreement shall continue in full force and effect. 















	 	4.	 Governing Law. This Agreement and the rights and obligations of the parties hereunder shall be construed in
accordance with and governed by the laws of Delaware applicable to contracts wholly performed within the borders of such state, without giving effect to the conflict of law principles thereof. 



 

	 	5.	 Headings and Captions. The headings and captions of the various subdivisions of this Agreement are for
convenience of reference only and shall in no way modify or affect the meaning or construction of any of the terms or provisions hereof. 


  

	 	6.	 Counterparts. This Agreement may be executed in one or more counterparts, all of which when taken together shall
be considered one and the same agreement and shall become effective when counterparts have been signed by each party and delivered to the other party, it being understood that both parties need not sign the same counterpart. In the event that any
signature is delivered by facsimile transmission or any other form of electronic delivery, such signature shall create a valid and binding obligation of the party executing (or on whose behalf such signature is executed) with the same force and
effect as if such signature page were an original thereof. 














 IN WITNESS WHEREOF, the undersigned have caused this Agreement to be executed as of the date first written
above. 
  

			
	POST HOLDINGS PARTNERING CORPORATION
		
	By:	 	/s/ Robert V. Vitale
		 	 Name:  Robert V. Vitale

Title:    President and Chief Investment Officer



  

			
	PHPC SPONSOR, LLC
		
	By:	 	/s/ Robert V. Vitale
		 	 Name:  Robert V. Vitale

Title:    President