X0306 4 2022-05-26 1 0001522540 Marqeta, Inc. MQ 0001106556 GRANITE VENTURES LLC 300 MONTGOMERY STREET, SUITE 421 SAN FRANCISCO CA 94104 0 0 1 0 0001753530 O'Grady Standish 300 MONTGOMERY STREET, SUITE 421 SAN FRANCISCO 94104 0 0 1 0 0001332381 Granite Ventures II L P 300 MONTGOMERY STREET, SUITE 421 SAN FRANCISCO CA 94104 0 0 1 0 0001337895 GRANITE VENTURES ENTREPRENEURS FUND II LP 300 MONTGOMERY STREET, SUITE 421 SAN FRANCISCO CA 94104 0 0 1 0 0001755308 Granite Management II, LLC 300 MONTGOMERY STREET, SUITE 421 SAN FRANCISCO CA 94104 0 0 1 0 0001755292 Berterretche Jacqueline 300 MONTGOMERY STREET, SUITE 421 SAN FRANCISCO CA 94104 0 0 1 0 Common Stock 2022-05-26 4 C 0 6000000 A 6000000 I By Granite Ventures, L.P. Common Stock 2022-05-26 4 C 0 433818 A 433818 I By Granite Ventures Entrepreneurs Fund II, L.P. Common Stock 2022-05-26 4 J 0 6000000 D 0 I By Granite Ventures, L.P. Common Stock 2022-05-26 4 J 0 433818 D 0 I By Granite Ventures Entrepreneurs Fund II, L.P. Class B Common 2022-05-26 4 C 0 6000000 0.00 D Class A Common Stock 6000000 47827878 I By Granite Ventures, L.P. Class B Common 2022-05-26 4 C 0 433818 0.00 D Class A Common Stock 433818 0 I By Granite Ventures Entrepreneurs Fund II, L.P. Each share of Class B common stock is convertible into one share of Class A common stock at the option of the Reporting Person and has no expiration date. Granite Management II, LLC is the general partner of Granite Ventures II, L.P. and Granite Ventures Entrepreneurs Fund II, L.P. Granite Ventures LLC is the managing member of Granite Management II, LLC. Granite Ventures LLC through Granite Management II, LLC has sole voting and disposition power over shares held by Granite Ventures II L.P. and Granite Ventures Entrepreneurs Fund II, L.P. Standish O'Grady, Jacqueline Berterretche and Christopher McKay are managing directors of the general partner entities of these funds that directly hold shares and as such Mr. O'Grady, Ms. Berterretche and Mr. McKay may be deemed to have voting and dispositive power with respect to such shares. Represents a pro-rata distribution, and not a purchase or sale, without additional consideration, to its partners. GRANITE MANAGEMENT II, LLC. By Granite Ventures, LLC, its Managing Member., By: /s/ Jacqueline Berterretche, Jacqueline Berterretche, Managing Director 2022-05-31 GRANITE VENTURES, LLC., By: /s/ Jacqueline Berterretche, Jacqueline Berterretche, Managing Director 2022-05-31 GRANITE VENTURES II, L.P. By Granite Management II, LLC, its General Partner., By: /s/ Jacqueline Berterretche, Jacqueline Berterretche, Managing Director 2022-05-31 GRANITE VENTURES ENTREPRENEURS FUND II, L.P., By Granite Management II, LLC, its General Partner., By: /s/ Jacqueline Berterretche, Jacqueline Berterretche, Managing Director 2022-05-31 By: /s/ Jacqueline Berterretche, Jacqueline Berterretche 2022-05-31 By: /s/ Standish O'Grady, Standish O'Grady 2022-05-31