X0306 4 2021-09-09 0 0001823239 MARAVAI LIFESCIENCES HOLDINGS, INC. MRVI 0001827977 GTCR INVESTMENT XI LLC C/O GTCR, LLC 300 N. LASALLE SUITE 5600 CHICAGO IL 60654 1 0 1 0 0001833157 MARAVAI LIFE SCIENCES HOLDINGS, LLC C/O MARAVAI LIFE SCIENCES HOLDINGS, INC. 10770 WATERIDGE CIRCLE SUITE 200 SAN DIEGO CA 92121 1 0 1 0 0001832794 MARAVAI LIFE SCIENCES HOLDINGS 2, LLC C/O MARAVAI LIFE SCIENCES HOLDINGS, INC. 10770 WATERIDGE CIRCLE SUITE 200 SAN DIEGO CA 92121 1 0 1 0 0001591435 GTCR FUND XI/B LP C/O GTCR LLC 300 N. LASALLE SUITE 5600 CHICAGO IL 60654 1 0 1 0 0001591436 GTCR FUND XI/C LP C/O GTCR LLC 300 N. LASALLE SUITE 5600 CHICAGO IL 60654 1 0 1 0 0001591432 GTCR CO-INVEST XI LP C/O GTCR LLC 300 N. LASALLE SUITE 5600 CHICAGO IL 60654 1 0 1 0 0001828028 GTCR PARTNERS XI/A&C LP C/O GTCR LLC 300 N. LASALLE SUITE 5600 CHICAGO IL 60654 1 0 1 0 0001827959 GTCR PARTNERS XI/B LP C/O GTCR LLC 300 N. LASALLE SUITE 5600 CHICAGO IL 60654 1 0 1 0 Class A Common Stock 2021-09-09 4 D 0 2931441 50.00 D 21681033 I See footnotes Class B Common Stock 2021-09-09 4 J 0 17068559 D 126239611 I See footnote Common Units 2021-09-09 4 D 0 17068559 50.00 D Class A Common Stock 17068559 126239611 I See footnote On September 9, 2021, the Reporting Persons sold an aggregate 20,000,000 shares of Class A common stock, par value $0.01 ("Class A Common Stock"), of Maravai LifeSciences Holdings, Inc. (the "Issuer") in an underwritten public offering pursuant to the Issuer's Registration Statement on Form S-1 (File No. 333-259366). The aggregate 20,000,000 shares of Class A Common Stock sold by the Reporting Persons include (a) 17,068,559 shares of Class A Common Stock sold by Maravai Life Sciences Holdings, LLC ("MLSH 1") and (b) 2,931,441 shares of Class A Common Stock sold by Maravai Life Sciences Holdings 2, LLC. ("MLSH 2"). Reflects Class A Common Stock held directly by MLSH 2. MLSH 2 is managed by a board of managers controlled by GTCR Fund XI/C LP ("GTCR Fund XI/C"). GTCR Partners XI/A&C LP ("GTCR Partners XI/A&C") is the general partner of GTCR Fund XI/C. GTCR Investment XI LLC ("GTCR Investment XI") is the general partner of GTCR Partners XI/A&C. GTCR Investment XI is managed by a board of managers (the "GTCR Board of Managers") consisting of Mark M. Anderson, Craig A. Bondy, Aaron D. Cohen, Sean L. Cunningham, Benjamin J. Daverman, David A. Donnini, Constantine S. Mihas and Collin E. Roche, and no single person has voting or dispositive authority over the Class A Common Stock. (Continued From Footnote 2) Each of GTCR Partners XI/A&C, GTCR Investment XI and the GTCR Board of Managers may be deemed to share beneficial ownership of the Class A Common Stock held of record by MLSH 2, and each of the individual members of the GTCR Board of Managers disclaims beneficial ownership of the Class A Common Stock held of record by MLSH 2 except to the extent of his pecuniary interest therein. Reflects the shares of the Issuer's Class B common stock, par value $0.01 (the "Class B Common Stock") exchanged for shares of Class A Common Stock sold. Reflects Class B Common Stock held directly by MLSH 1. MLSH 1 is managed by a board of managers controlled by GTCR Fund XI/B LP ("GTCR Fund XI/B") and GTCR Co-Invest XI LP ("GTCR Co-Invest XI"). GTCR Partners XI/B LP ("GTCR Partners XI/B") is the general partner of GTCR Fund XI/B. GTCR Investment XI is the general partner of GTCR Co-Invest XI and GTCR Partners XI/B. GTCR Investment XI is managed by the GTCR Board of Managers, and no single person has voting or dispositive authority over the Class B Common Stock. Each of GTCR Partners XI/B, GTCR Investment XI and the GTCR Board of Managers may be deemed to share beneficial ownership of the Class B Common Stock held of record by MLSH 1, and each of the individual members of the GTCR Board of Managers disclaims beneficial ownership of the Class B Common Stock held of record by MLSH 1 except to the extent of his pecuniary interest therein. Pursuant to the Exchange Agreement dated November 19, 2020, by and among the Issuer, Maravai Topco Holdings, LLC and MLSH 1 (the "Exchange Agreement"), the Common Units (together with one share of Class B Common Stock for every Common Unit) are exchangeable for one share of Class A Common Stock. Common Units do not expire. Reflects Common Units owned directly by MLSH 1. Each Common Unit is exchangeable for one share of Class A Common Stock pursuant to the Exchange Agreement. Each of the reporting persons is a director-by-deputization solely for purposes of Section 16 of the Securities Exchange Act of 1934. /s/ Carl Hull, as chief executive officer of Maravai Life Sciences Holdings, LLC 2021-09-13 /s/ Carl Hull, as chief executive officer of Maravai Life Sciences Holdings 2, LLC 2021-09-13 /s/ Jeffrey Wright, by power of attorney for GTCR Fund XI/B LP 2021-09-13 /s/ Jeffrey Wright, by power of attorney for GTCR Fund XI/C LP 2021-09-13 /s/ Jeffrey Wright, by power of attorney for GTCR Co-Invest XI LP 2021-09-13 /s/ Jeffrey Wright, by power of attorney for GTCR Partners XI/A&C LP 2021-09-13 /s/ Jeffrey Wright, by power of attorney for GTCR Partners XI/B LP 2021-09-13 /s/ Jeffrey Wright, by power of attorney for GTCR Investment XI LLC 2021-09-13