X0206 3 2023-12-27 0 0001907685 Comera Life Sciences Holdings, Inc. CMRA 0001234950 HALPERN JOHN D PO BOX 540 PORTSMOUTH NH 03802 0 0 0 1 Member of 10% owner group 0001862932 Halpern Katherine H. P.O. BOX 540 PORTSMOUTH NH 03802 0 0 0 1 Member of 10% owner group Common Stock 1088819 I By Trust Warrants to Purchase Common Stock 1.23 2023-01-02 2028-01-02 Common Stock 405404 I By Trust Warrants to Purchase Common Stock 0.6135 2024-02-01 2028-07-31 Common Stock 855745 I By Trust Warrants to Purchase Common Stock 0.6135 2023-09-11 2028-09-11 Common Stock 366748 I By Trust Warrants to Purchase Common Stock 0.055 2023-12-29 2028-12-29 Common Stock 4073744 I By Trust 12.0% Senior Secured Convertible Notes 0.055 2023-12-29 2024-12-29 Common Stock 2036872 I By Trust Held by John D. Halpern Revocable Trust, of which both John D. Halpern and Katherine H. Halpern are trustees. /s/ John D. Halpern 2024-01-08 /s/ Katherine H. Halpern 2024-01-08