X0508 4 2024-02-16 0001850119 Century Therapeutics, Inc. IPSC 0001867310 Farid Adrienne C/O CENTURY THERAPEUTICS, INC. 25 N 38TH STREET, 11TH FLOOR PHILADELPHIA PA 19104 0 1 0 0 Chief Operations Officer 0 Common Stock 2024-02-16 4 M 0 485 1.03 A 114634 D Common Stock 2024-02-16 4 S 0 485 4.8624 D 114149 D Stock Option (right to buy) 1.03 2024-02-16 4 M 0 485 0 D 2029-07-17 Common Stock 485 222170 D The transactions reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 17, 2022. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.85 to $4.865, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The option is fully vested and exercisable. /s/ Adrienne Farid 2024-02-21