NBT BANCORP INC (NBTB): Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
NBT BANCORP INC (NBTB) filed an SEC Form 8-K — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers. Exhibit 99.1 FOR IMMEDIATE RELEASE ATTENTION: FINANCIAL AND BUSINESS EDITORS CONTACT: Florence Doller SVP & Director of Corporate Communications 607.337.6118 | fdoller@nbtbank.com KIMBERLY A. BOYNTON NAMED TO NBT BOARD OF DIRECTORS NORWICH, NY (September 21, 2026) – NBT Bancorp I



