X0609 4 2026-05-19 0 0000790359 NBT BANCORP INC NBTB 0001212376 CANTELE RICHARD J JR false 52 SOUTH BROAD STREET NORWICH NY 13815 1 0 0 0 0 NBT Bancorp Inc. Common Stock 2026-05-19 4 A 0 1050 0.0 A 58105.798 D NBT Bancorp Inc. Common Stock 3214.562 I 401k Acquired pursuant to the NBT Bancorp Inc. 2024 Omnibus Incentive Plan. Each outside director is entitled to receive an annual retainer for Board service in the form of restricted stock units of the Company's common stock that vest in one year. By: Annette L. Burns, Power of Attorney For: Richard J. Cantele, Jr. 2026-05-21