Description of Business

9 Months Ended

Sep. 30, 2013

Note 1.

Description of Business

NBT Bancorp Inc. (the “Registrant”) is a registered financial holding company incorporated in the State of Delaware in 1986, with its principal headquarters located in Norwich, New York. The Registrant is the parent holding company of NBT Bank, N.A. (the “Bank”), NBT Financial Services, Inc. (“NBT Financial”), NBT Holdings, Inc. (“NBT Holdings”), CNBF Capital Trust I, NBT Statutory Trust I, NBT Statutory Trust II, Alliance Financial Capital Trust I and Alliance Financial Capital Trust II (the “Trusts”). Through the Bank, the Company is focused on community banking operations. Through NBT Financial, the Company operates EPIC Advisors, Inc. (“EPIC”), a retirement plan administrator. Through NBT Holdings, the Company operates Mang Insurance Agency, LLC (“Mang”), a full-service insurance agency. The Trusts were organized to raise additional regulatory capital and to provide funding for certain acquisitions. The Registrant’s primary business consists of providing commercial banking and financial services to customers in its market area. The principal assets of the Registrant are all of the outstanding shares of common stock of its direct subsidiaries, and its principal sources of revenue are the management fees and dividends it receives from the Bank, NBT Financial, and NBT Holdings.

The Bank is a full service commercial bank formed in 1856, which provides a broad range of financial products to individuals, corporations and municipalities throughout the central and upstate New York, northeastern Pennsylvania, northwestern Vermont, western Massachusetts, and southern New Hampshire market areas.