X0306 4 2023-02-02 0001850119 Century Therapeutics, Inc. IPSC 0001497624 Diem Michael Craig 3675 MARKET STREET PHILADELPHIA PA 19104 0 1 0 0 Chief Business Officer Common Stock 2023-02-02 4 A 0 21875 0 A 101363 D Common Stock 2023-02-02 4 A 0 21875 0 A 123238 D Stock Option (right to buy) 4.64 2023-02-02 4 A 0 131250 0 A 2033-02-02 Common Stock 131250 131250 D Stock Option (right to buy) 4.64 2023-02-02 4 A 0 131250 0 A 2033-02-02 Common Stock 131250 131250 D Reflects the grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Century Therapeutic, Inc.'s (the "Company's") common stock. The RSUs vest 25% on February 2, 2024 and the remaining 75% vest on a quarterly basis for the three years thereafter, in each case subject the Reporting Person's continued service through the applicable vesting date. The RSUs will be settled on each applicable vesting date in shares of the Company's common stock. The option vests 25% on February 2, 2024, with the remaining 75% vesting in 36 equal monthly installments, subject to the Reporting Person's continued service with the Issuer. /s/ Michael Diem 2023-02-06