DocuSign Envelope ID: EE02CB5E-FF50-49BD-8512-2DCD9D456575 FIRST AMENDMENT TO CONTRIBUTION AGREEMENT ThisFIRSTAMENDMENTTOCONTRIBUTIONAGREEMENT(this“First Amendment”) is made as of the 28th day of May 2021 (the “Amendment Date”) by and among HCNA...