SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT FILED PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT: June 1, 2001 COMMISSION FILE NUMBER 0-14703 NBT BANCORP INC. (Exact Name of Registrant as Specified in its Charter) DELAWARE 16-1268674 (State of Incorporation) (I.R.S. Employer Identification No.) 52 SOUTH BROAD STREET NORWICH, NEW YORK 13815 (Address of Principal Executive Offices)(Zip Code) Registrant's Telephone Number, Including Area Code: (607)-337-2265 N/A (Former Name or Former Address, If changed since last Report) Item 5 - Other Events We attach the registrants press release of June 1, 2001 announcing that the merger of First National Bancorp, Inc. with and into NBT Bancorp Inc. was completed on June 1, 2001. Item 7 - Financial Statements, Pro Forma Financial Information and Exhibits. (a) Not Applicable. (b) Not Applicable. (c) Exhibits. The following exhibits are filed with this Current Report or incorporated by reference into this Current Report on Form 8-K: Exhibit Number Description ------- ----------- 99.1 NBT Bancorp Inc. press release dated June 1, 2001. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report on Form 8-K to be signed on its behalf by the undersigned thereunto duly authorized, this 4th day of June, 2001. NBT BANCORP INC. /s/ Michael J. Chewens By: ______________________________________ Michael J. Chewens Executive Vice President