Control Empresarial de Capitales S.A. de C.V. bought PROK

Footnotes

Prior to April 28, 2026 (the "Transaction Date"), the reporting persons beneficially owned 63,118,645 Class B Common Shares, $0.0001 par value per share (the "Class B Common Shares") of ProKidney Corp. (the "Issuer"), each of which may, subject to the limitations set forth in the Amended and Restated Exchange Agreement (the "Exchange Agreement") and the Second Amended and Restated Limited Liability Company Agreement of ProKidney Holdings, be exchanged, together with the paired common unit (a "Common Unit," and together with the Class B Common Shares, the "Paired Interests") in ProKidney Holdings, LLC ( "ProKidney LLC"), for a Class A Common Share on a one-for-one basis. Prior to the Transaction Date, the reporting person owned 63,118,645 Paired Interests. On the Transaction Date, the reporting person exchanged 63,118,645 Paired Interests for 63,118,645 Class A Common Shares.; The Form 4 filed by the reporting person on March 16, 2024 and prior to the date hereof inadvertently aggregated 63,118,645 Paired Interests in Table I.; See attached Exhibit 99.1 to this Form 4, which is hereby incorporated herein by reference.