Exhibit 1

JOINT FILING AGREEMENT

The undersigned hereby agree that the statement on Schedule 13D with respect to the Common Stock, par value $0.0001 per share, of Post Holdings Partnering Corporation, dated as of June 3, 2021, is, and any amendments thereto (including amendments on Schedule 13G) signed by each of the undersigned shall be, filed on behalf of each of the undersigned pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934.

 

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

 

POST HOLDINGS, INC.
By:   /s/ Diedre J. Gray
  Name:   Diedre J. Gray
  Title:   EVP, General Counsel and CAO, Secretary