X0508 4 2026-02-11 0001824893 Surrozen, Inc./DE SRZN 0001969280 TCG Crossover GP II, LLC 245 LYTTON AVE., SUITE 350 PALO ALTO CA 94301 false false true false 0001969281 TCG Crossover Fund II, L.P. 245 LYTTON AVE., SUITE 350 PALO ALTO CA 94301 false false true false 0002062816 TCG Crossover GP III, LLC 245 LYTTON AVE., SUITE 350 PALO ALTO CA 94301 false false true false 0002062644 TCG Crossover Fund III, L.P. 245 LYTTON AVE., SUITE 350 PALO ALTO CA 94301 false false true false false Common Stock 2026-02-11 4 P false 8882 23.5750 A 650567 I See footnote Common Stock 2026-02-11 4 P false 8881 23.5750 A 650563 I See footnote Common Stock 2026-02-12 4 P false 547 23.8625 A 651114 I See footnote Common Stock 2026-02-12 4 P false 546 23.8625 A 651112 I See footnote These securities are held of record by TCG Crossover Fund II, L.P. (TCG Crossover II). TCG Crossover GP II, LLC (TCG Crossover GP II) is the general partner of TCG Crossover II and may be deemed to have voting, investment, and dispositive power with respect to these securities. Chen Yu is the sole managing member of TCG Crossover GP II and may be deemed to share voting, investment and dispositive power with respect to these securities. These securities are held of record by TCG Crossover Fund III, L.P. (TCG Crossover III). TCG Crossover GP III, LLC (TCG Crossover GP III) is the general partner of TCG Crossover III and may be deemed to have voting, investment, and dispositive power with respect to these securities. Chen Yu is the sole managing member of TCG Crossover GP III and may be deemed to share voting, investment and dispositive power with respect to these securities. /s/ TCG Crossover GP II, LLC /s/ Craig Skaling, Authorized Signatory 2026-02-13 /s/ TCG Crossover Fund II, L.P. /s/ Craig Skaling, Authorized Signatory 2026-02-13 /s/ TCG Crossover GP III, LLC /s/ Craig Skaling, Authorized Signatory 2026-02-13 /s/ TCG Crossover Fund III, L.P. /s/ Craig Skaling, Authorized Signatory 2026-02-13 /s/ Craig Skaling, as Attorney-in-Fact for Chen Yu 2026-02-13