X0607 3 2026-03-31 0 0001653242 Bank of N.T. Butterfield & Son Ltd NTB 0002013344 Burns Andrew Ronald true 65 FRONT STREET HAMILTON D0 HM 12 BERMUDA 0 1 0 0 Chief Risk Officer, Cayman Bank of N.T. Butterfield & Son Ltd 18566 D Restricted Stock Units 0 Bank of N.T. Butterfield & Son Ltd 5881 D Restricted Stock Units 0 Bank of N.T. Butterfield & Son Ltd 46377 D The restricted stock units vest 12-Feb-2027, 10-Feb-2028, 9-Feb-2029 subject to continued service through each vesting date. These restricted stock units do not expire; they either vest and settle or are forfeited/cancelled prior to the applicable vesting date. Each restricted stock unit represents a contingent right to receive one share of common stock upon vesting/settlement. The PSUs will vest on the third anniversary of the Grant Date 12-Feb-2027, 10-Feb-2028, 9-Feb-2029 Tara Hidalgo, by power of attorney for Andrew Burns 2026-04-01