SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                  -------------

                                    FORM 8-K

                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934


Date of Report (Date of earliest event reported)       October 4, 2000
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                                NBT Bancorp Inc.
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               (Exact Name of Registrant as Specified in Charter)


         Delaware                    0-14703               16-1268674
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(State or Other Jurisdiction       (Commission           (IRS Employer
    of Incorporation)              File Number)   Identification Number)

52 South Broad Street, Norwich, New York                     13815
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(Address of Principal Executive Office)                    (Zip Code)

Registrant's telephone number, including area code        607/337-2265
                                                   -----------------------------
                                      N/A
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          (Former Name or Former Address, if Changed Since Last Report)

Item 5. Other Events. On April 20, 2000, NBT Bancorp Inc., a Delaware corporation ("NBT"), and BSB Bancorp, Inc., a Delaware corporation ("BSB"), announced that they had entered into an Agreement and Plan of Merger, dated as of April 19, 2000 (the "Merger Agreement"). Pursuant to the Merger Agreement, BSB and NBT agreed to merge (the "Merger"), with NBT being the surviving corporation, to create a holding company with assets of $4.7 billion. Stockholders of BSB would have received two shares of NBT common stock for each share exchanged. In accordance with the Merger Agreement, BSB and NBT granted reciprocal options whereby NBT acquired an option to acquire 19.9% of BSB's common stock and BSB acquired an option to acquire 19.9% of NBT's common stock. The options would become exercisable upon the occurrence of certain future events. The Merger had been expected to close in the fourth quarter of 2000. On October 4, 2000, the Boards of Directors of NBT and BSB agreed to terminate the Merger Agreement and the reciprocal stock option agreements. No termination fees will be paid by either party. 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 - ------ ----------- 2.1 Termination Agreement, dated as of October 4, 2000, by and between NBT Bancorp Inc. and BSB Bancorp, Inc. 99.1 Press release, dated October 4, 2000.

SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. NBT BANCORP INC. By: /s/ Daryl R. Forsythe ---------------------------- Name: Daryl R. Forsythe Title: President and Chief Executive Officer Date: October 4, 2000

EXHIBIT INDEX 2.1 Termination Agreement, dated as of October 4, 2000, by and between NBT Bancorp Inc. and BSB Bancorp, Inc. 99.1 Press release, dated October 4, 2000.



                                                                     EXHIBIT 2.1



                              TERMINATION AGREEMENT


                  THIS TERMINATION  AGREEMENT (this "Agreement") is entered into
as of October 4, 2000, by and between NBT Bancorp Inc., a Delaware  corporation,
("NBT") and BSB  Bancorp,  Inc.,  a Delaware  corporation  ("BSB")  (NBT and BSB
together referred to herein as the "Parties").

         WHEREAS, BSB and NBT entered into a Confidentiality Agreement, dated as
of March 16, 2000 (the "Confidentiality Agreement");

                  WHEREAS,  NBT and BSB entered  into an  Agreement  and Plan of
Merger,  dated as of April 19, 2000 and amended as of May 17, 2000 (the  "Merger
Agreement");

                  WHEREAS, in connection with the Merger Agreement,  BSB and NBT
entered into the BSB Bancorp, Inc. Stock Option Agreement, dated as of April 19,
2000 (the "BSB Stock Option Agreement");

                  WHEREAS, in connection with the Merger Agreement,  NBT and BSB
entered into the NBT Bancorp Inc. Stock Option Agreement,  dated as of April 19,
2000 (the "NBT Stock Option Agreement");

                  WHEREAS,   the  boards  of  directors  of  NBT  and  BSB  have
determined that the Merger Agreement and the transactions  contemplated  thereby
are no longer in the best interests of the Parties;

                  NOW,  THEREFORE,  in consideration of the foregoing and of the
mutual covenants and agreements  hereinafter set forth, the Parties hereby agree
as follows:

1.       Termination of Agreements.

         a)  Pursuant  to Section  7.01(a) of the Merger  Agreement,  the Merger
Agreement is hereby  terminated,  and forthwith  shall be void and of no further
force or  effect.  No  provision  of the Merger  Agreement  shall  survive  such
termination,  including,  without  limitation,  Sections 5.06, 5.07, 5.08, 5.11,
7.02 and Article VIII of the Merger Agreement,  notwithstanding any provision of
the Merger Agreement to the contrary.


b) Each of the BSB Stock Option Agreement and the NBT Stock Option Agreement is hereby terminated, and shall be void and of no further force or effect. 2. Confidentiality Agreement. The Confidentiality Agreement shall remain in effect for 18 months from the date of this Agreement. 3. Employees. Except with the prior written consent of the other party, no Party shall knowingly employ any person who is now employed by the other Party for a period of 18 months from the date of this Agreement. 4. Mutual Release. Except for the provisions of this Agreement and the Confidentiality Agreement, BSB and its affiliates on the one hand, and NBT and its affiliates on the other, hereby remise, release and forever discharge the other and its affiliates, directors, officers, employees, agents and representatives and their heirs, executors, beneficiaries, administrators, successors and assigns from any and all manner of action and actions, cause and causes of action, suits, debts, dues, sums of money, accounts, contracts, controversies, agreements, liabilities, promises, damages, judgments, claims or demands of whatsoever kind or nature, in law or in equity relating to any statements, acts or omissions by such other Party and its agents (whether actual or apparent), employees, representatives and affiliates, whether in their individual or representative capacities, which either BSB and NBT or their respective affiliates may have against the other for actions taken or events occurring in connection with the negotiation, execution and termination of the Merger Agreement, the BSB Stock Option Agreement and the NBT Stock Option Agreement and the transactions contemplated thereby. 5. Representations and Warranties of the Parties. Each of BSB and NBT hereby makes the following representations and warranties to the other Party, each of which is being relied upon by the other Party as a material inducement to enter into and perform this Agreement: a) The execution, delivery and performance of this Agreement has been duly authorized by all necessary corporate action of such Party; and b) This Agreement has been duly and validly executed and delivered by such Party and it constitutes the valid and binding obligation of such Party, enforceable in accordance with its terms, except as enforcement may be limited by general principles of equity whether applied in a court of law or a court of equity and

by bankruptcy, insolvency and similar laws affecting creditors' rights and remedies generally. 6. Mutual Non-Disparagement. a) BSB. Subsequent to entering into this Agreement, each of BSB and its affiliates shall not make to any regulator, customer, supplier, or employee of NBT or its affiliates, or to NBT stockholders, or to the general public, any statement that disparages NBT or its affiliates or any of their respective officers, directors, shareholders, employees and affiliates, except if such statement is required by law or legal process. b) NBT. Subsequent to entering into this Agreement, each of NBT and its affiliates shall not make to any regulator, customer, supplier, or employee of BSB or its affiliates, or to BSB stockholders, or to the general public, any statement that disparages BSB or its affiliates or any of their respective officers, directors, shareholders, employees and affiliates, except if such statement is required by law or legal process. 7. Expenses. The Parties will share equally the expenses listed on Schedule A attached hereto. 8. Press Releases; Regulatory Contacts. Promptly following the execution of this Agreement, NBT and BSB each will issue a press release announcing the termination of the Merger Agreement and the transactions contemplated thereby, provided that each Party will have the opportunity to review the other Party's press release prior to issuance. Legal counsel for NBT and BSB jointly will contact the Department of Justice and the Office of the Comptroller of the Currency to inform these agencies of the termination of the Merger Agreement. Furthermore, NBT and BSB shall cooperate with each other and take the necessary steps to terminate the agreement reached with the Department of Justice on August 15, 2000 with regard to the divestiture of BSB's Norwich branch office. 9. Miscellaneous. a) This Agreement constitutes the entire agreement between the Parties with respect to the subject matter hereof, and it supersedes all prior oral or written agreements, commitments, or understandings with respect to such matters; and

b) This Agreement may be signed in counterparts, none of which need contain the signature of all the Parties and each of which shall be deemed to be an original. c) This Agreement shall be governed by, and construed in accordance with, the laws of the State of Delaware, regardless of the laws that might otherwise govern under applicable principles of conflicts of law. * * * * [Signature page follows]

IN WITNESS WHEREOF, the Parties have executed this Termination Agreement as of the date first above written. BSB BANCORP, INC. By: /s/ Thomas L. Thorn ----------------------------------------- Name: Thomas L. Thorn Title: Acting President and Chief Executive Officer NBT BANCORP INC. By: /s/ Daryl R. Forsythe ----------------------------------------- Name: Daryl R. Forsythe Title: President and Chief Executive Officer



                                                                    EXHIBIT 99.1

                                  PRESS RELEASE



Business Editors

                  NORWICH, NY - (BUSINESS WIRE) - October 4, 2000 -- NBT Bancorp
Inc. (NASDAQ: NBTB) today announced that it and BSB Bancorp, Inc. (NASDAQ: BSBN)
have agreed to terminate  their merger  agreement.  The reciprocal  stock option
agreements  have also been  terminated and no  termination  fees will be paid by
either party.

                  The principal office of NBT is located in Norwich,  NY. NBT is
listed on the NASDAQ under the symbol NBTB.  Its principal  banking  subsidiary,
NBT Bank, N.A. conducts business from 36 offices in nine counties in central and
northern New York.

    Forward-Looking Information
    This news  release  contains  statements  which  constitute  forward-looking
information within the meaning of the Private  Securities  Litigation Reform Act
of 1995.  Actual results may differ  materially from the statements made in this
release  since such  statements  involve  significant  risks and  uncertainties.
Factors that might cause such differences  include,  but are not limited to: the
expenses  involved in the proposed  merger being  different from what management
had anticipated;  competitive pressures among financial institutions  increasing
significantly;  economic conditions, either nationally or locally in areas which
NBT conducts its operations, being less favorable than expected; and legislation
or regulatory  changes which adversely  affect the ability of NBT to conduct its
current or future  operations.  NBT disclaims any  obligation to update any such
factors  or to  publicly  announce  the  result of any  revisions  to any of the
forward-looking   statements   included  herein  to  reflect  future  events  or
developments.


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