X0306 4 2022-09-14 1 0001899287 Amprius Technologies, Inc. AMPX 0001908586 Kensington Capital Sponsor IV LLC 1433 OLD COUNTRY ROAD, SUITE 301 WESTBURY NY 11590 0 0 0 1 Former 10% holder (see ftn 2) Common Stock 2022-09-14 4 C 0 9857142 A 13124642 D Common Stock 2022-09-14 4 J 0 13124642 0.00 D 0 D Class B Ordinary Shares 2022-09-14 4 C 0 9857142 0.00 D Common Stock 9857142 0 D Warrants (right to buy) 11.50 2022-09-14 4 J 0 16000000 0.00 A 2027-09-14 Common Stock 16000000 16000000 D Warrants (right to buy) 11.50 2022-09-14 4 J 0 6535000 0.00 A 2027-09-14 Common Stock 6535000 6535000 D Warrants (right to buy) 11.50 2022-09-14 4 J 0 16000000 0.00 D 2027-09-14 Common Stock 16000000 0 D Warrants (right to buy) 11.50 2022-09-14 4 J 0 6535000 0.00 D 2027-09-14 Common Stock 6535000 0 D Upon completion of the Issuer's business combination transaction, the Issuer's Class B Ordinary Shares converted into shares of Common Stock of the Issuer. At the time the Class B shares were issued, the Issuer was a Cayman Islands exempted company incorporated with limited liability named "Kensington Capital Acquisition Corp. IV." In connection with a business combination transaction, the Issuer became a Delaware corporation and changed its name to "Amprius Technologies, Inc." The securities were distributed in-kind, pro-rata and for no additional consideration to the members of Kensington Capital Sponsor IV LLC in connection with its liquidating distribution. As a result of the transaction reported herein, the Reporting Person is no longer a 10% holder of the issuer. The Reporting Person acquired these securities in connection with the initial public offering of Kensington Capital Acquisition Corp. IV, which is the Issuer and changed its name to Amprius Technologies, Inc. upon closing of a business combination transaction and is reporting the ownership thereof in connection with such closing. These securities were previously not beneficially owned for purposes of reporting their ownership on this Form. The securities become exercisable on October 14, 2022, provided that in no event are the securities exercisable unless a registration statement registering the shares issuable upon exercise thereof has been declared effective (or, in the case of all of the warrants in Table II, until the 61st business day following the closing of the foregoing business combination if such a registration statement has not previously been declared effective). KENSINGTON CAPITAL SPONSOR IV LLC, By: Kensington Capital Partners, LLC, Its: Managing Member, By: /s/ Justin Mirro, Name: Justin Mirro, Title: Managing Member 2022-09-16