NBT SUBSIDIARY TO ACQUIRE ALLIANCE BENEFIT GROUP OF ILLINOIS, INC.

NORWICH, NEW YORK (February 4, 2020) – NBT Bancorp Inc. (NBT) subsidiary EPIC Retirement Plan Services (EPIC RPS), a full-service 401(k) recordkeeping firm, has signed a definitive agreement to purchase the assets of Alliance Benefit Group of Illinois, Inc. (ABGIL). ABGIL is a retirement plan services company located in Peoria, Illinois that provides full-service recordkeeping, administration, fiduciary investment advice and plan design solutions to employers nationwide.

“Continuing the growth of our well-established retirement services business with the acquisition of ABGIL by EPIC RPS will enable us to build on our mission of Helping America Retire,” said NBT Executive Vice President Timothy L. Brenner. “Through organic growth and acquisitions, we have built a retirement plan services line of business with nationwide reach. The addition of ABGIL will strengthen our presence in the Midwest and bring the number of plan participants we support to 250,000.”

NBT acquired EPIC RPS in 2005 and has grown its retirement plan services business organically, and in recent years, through acquisitions, including: Retirement Plan Services, Inc. of St. Louis, Missouri in 2018; Downeast Pension Services, Inc. of New Gloucester, Maine in 2017; Actuarial Designs & Solutions, Inc. of Scarborough, Maine in 2016; and Third Party Administrators, Inc. of Bedford, New Hampshire in 2015.

About NBT Bancorp Inc.

NBT is a financial holding company headquartered in Norwich, New York, with total assets of $9.7 billion at December 31, 2019. The Company primarily operates through NBT Bank, N.A., a full-service community bank and through two financial services companies, EPIC RPS and NBT Insurance Agency, LLC. More information about NBT is available online at www.nbtbancorp.com.

About EPIC Retirement Plan Services

EPIC RPS is wholly-owned by NBT Bancorp and is a national provider of customized, open-architecture retirement plan recordkeeping, marketing and service solutions for banks, trust companies, third-party administrators, investment advisors and other financial intermediaries who serve the retirement plan market. Founded in 1993 and headquartered in Rochester, New York, EPIC RPS has a client base that spans all 50 states and supports over 4,000 retirement plans with more than 200,000 plan participants and $15 billion in retirement assets. More information about EPIC RPS is available online at www.epicrps.com.

About Alliance Benefit Group of Illinois, Inc.

ABGIL is headquartered in Peoria, Illinois and provides recordkeeping, administration, fiduciary investment and plan design solutions to more than 600 clients and 40,000 plan participants. More information about ABGIL is available online at www.abgil.com.