X0306 5 2017-12-31 0 0 0 0000790359 NBT BANCORP INC NBTB 0001237956 CIVIL PATRICIA T 52 SOUTH BROAD STREET NORWICH NY 13815 1 0 0 0 NBT Bancorp Inc. Common Stock 2017-12-31 5 J 0 461.514 0.0 A 24297.965 D Non-Qualified Stock Option (right to buy) 24.5 2016-12-15 2024-12-15 NBT Bancorp Inc. Common Stock 2130 2130 D Non-Qualified Stock Option (right to buy) 25.92 2018-04-08 2026-04-08 NBT Bancorp Inc. Common Stock 1500 1500 D Shares acquired under NBT Bancorp Dividend Reinvestment Plan during period of 1/1/2017 to 12/31/2017. Pursuant to NBT Non-Employee Director, Divisional Director and Subsidiary Director Stock Option Plan reload grant vests 100% two years after date of its grant. By: F. Sheldon Prentice, Power of Attorney For: Patricia T. Civil 2018-02-13