X0306 4 2022-01-25 0 0001823239 MARAVAI LIFESCIENCES HOLDINGS, INC. MRVI 0001671595 Herde Kevin C/O MARAVAI LIFESCIENCES HOLDINGS, INC. 10770 WATERIDGE CIRCLE, SUITE 200 SAN DIEGO CA 92121 0 1 0 0 Chief Financial Officer Class A Common Stock 2021-04-30 5 A 0 E 497 22.95 A 497 D Class A Common Stock 2021-10-31 5 A 0 E 392 22.95 A 889 D Class A Common Stock 2022-01-25 4 A 0 19500 A 20389 D Employee Stock Option (Right to Buy) 26.32 2022-01-25 4 A 0 36200 0.00 A 2032-01-25 Class A Common Stock 36200 36200 D The Reporting Person is voluntarily reporting the acquisition of shares of the Issuer's Class A Common Stock pursuant to the Maravai LifeSciences Holdings, Inc. 2020 Employee Stock Purchase Plan. The acquisition of those 889 shares of Class A Common Stock was also exempt pursuant to Rule 16b-3(c). Represents restricted stock units ("RSUs") awarded under the Maravai LifeSciences Holdings, Inc. 2020 Omnibus Incentive Plan. Each RSU represents the right to receive one share of Class A Common Stock of the Issuer upon vesting, subject to the Reporting Person's continued employment with the Issuer. The RSUs will vest in 1/3rd increments on each of February 15, 2023, February 15, 2024, and February 15, 2025, subject to the reporting person's continued employment with the Issuer. Represents options awarded under the Maravai LifeSciences Holdings, Inc. 2020 Omnibus Incentive Plan. These options will vest 1/48th on March 15, 2022 and in equal 1/48th installments each month thereafter, subject to the Reporting Person's continued employment with the Issuer. /s/ Kurt Oreshack, by power of attorney for Kevin Herde 2022-01-27