On March 20, 2023, Joseph A. Santangelo, Director of NBT Bancorp Inc. and NBT Bank, National Association, notified the Board of Directors of each entity of his retirement from the Boards. His retirement is a personal decision and is not the result of any disagreement with management or the board of directors of either NBT Bancorp Inc. or NBT Bank, National Association. Mr. Santangelo's retirement will be effective following the Annual Meeting of Stockholders to be held on May 16, 2023.

Mr. Santangelo's long and successful service on the Boards began in 2001.