144 0001698362 XXXXXXXX LIVE 0001899287 Amprius Technologies, Inc. 001-41314 1180 Page Ave. Fremont CA 94538 8004258803 SANDRA WALLACH Officer Common Morgan Stanley Smith Barney LLC

1 New York Plaza, 38th fl. New York NY 10004

17158 33972.84 106382213 11/21/2024 NYSE Common 11/20/2024 Release of restricted stock units Issuer N 46856 11/20/2024 Compensation Y SHARES TO BE SOLD TO COVER WITHHOLDING TAXES UPON VESTING OF RESTRICTED STOCK UNIT AWARDS 11/21/2024 /s/ Sandra Wallach