As filed with the Securities and Exchange Commission on August 14, 2001 Registration Statement No. 333-55360 ----------- ================================================================================ SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-4 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 NBT BANCORP INC. (Exact Name of Registrant as specified in its Charter) Delaware 6021 16-1268674 - --------------------------------- ---- ---------- (State or other jurisdiction of (Primary Standard Industrial (I.R.S. Employer incorporation or organization) Classification Code Number) Identification No.) 52 South Broad Street Norwich, New York 13815 (607) 337-2265 (Address, Including Zip Code, and Telephone Number, Including Area Code, of Registrant's Principal Executive Offices) DARYL R. FORSYTHE President and Chief Executive Officer NBT Bancorp Inc. 52 South Broad Street Norwich, New York 13815 (607) 337-2265 (Name, Address, Including Zip Code, and Telephone Number, Including Area Code, of Agent for Service) Copies to: Charles J. Ferry, Esquire Thomas E. Willett, Esquire Rhoads & Sinon LLP Harris Beach LLP One South Market Square, 12th Floor 130 East Main Street Harrisburg, Pennsylvania 17108-1146 Rochester, New York 14604 (717) 233-5731 (716) 955-4074 If the securities being registered on this Form are being offered in connection with the formation of a holding company and there is compliance with General Instruction G, check the following box. [_] If this form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. [_] If this form is a post-effective amendment filed pursuant to Rule 462(d) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. [_]
EXPLANATORY STATEMENT Pursuant to Registration Statement No. 333-55360 on Form S-4, NBT Bancorp Inc., a Delaware corporation (the "Registrant"), registered up to 1,089,790 shares of its common stock, without par value, issuable pursuant to an Agreement and Plan of Merger dated January 2, 2001 between the Registrant and First National Bancorp, Inc. ("FNB"), which Agreement provided for the merger (the "Merger") of FNB with and into the Registrant. The Registrant hereby removes from registration 14,425 shares of the Registrant's common stock that remain unissued after completion of the Merger. SIGNATURES Pursuant to the requirements of the Securities Act of 1933, the Registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized, in Norwich, New York, on this 6th day of August, 2001. NBT Bancorp Inc. By: /s/ Michael J. Chewens ---------------------- Michael J. Chewens Executive Vice President, Chief Financial Officer and Treasurer Pursuant to the requirements of the Securities Act of 1933, this registration statement has been signed by the following persons in the capacities and on the dates indicated. Signature Capacity Date - --------- -------- ---- /s/ Daryl R. Forsythe * President, Chief Executive Officer August 6, 2001 - ------------------------- and Director (Principal Executive Daryl R. Forsythe Officer /s/ Michael J. Chewens Executive Vice President and August 6, 2001 - ------------------------ Chief Financial Officer Michael J. Chewens (Principal Financial and Accounting Officer) /s/ Everett A. Gilmour * Chairman of the Board of August 6, 2001 - -------------------------- Directors Everett A. Gilmour /s/ J. Peter Chaplin * Director August 6, 2001 - ------------------------ J. Peter Chaplin
/s/ Richard Chojnowski * Director August 6, 2001 - ------------------------- Richard Chojnowski /s/ Gene E. Goldenziel * Director August 6, 2001 - -------------------------- Gene E. Goldenziel /s/ Peter B. Gregory * Director August 6, 2001 - ------------------------ Peter B. Gregory /s/ William C. Gumble * Director August 6, 2001 - ------------------------- William C. Gumble /s/ Bruce D. Howe * Director August 6, 2001 - --------------------- Bruce D. Howe /s/ Andrew S. Kowalczyk, Jr. * Director August 6, 2001 - -------------------------------- Andrew S. Kowalczyk, Jr. /s/ John G. Martines * Director August 6, 2001 - ------------------------ John G. Martines Director - ------------------------ John C. Mitchell /s/ Joseph G. Nasser * Director August 6, 2001 - ------------------------ Joseph G. Nasser /s/ William L. Owens * Director August 6, 2001 - ------------------------ William L. Owens Director - ------------------------ Paul O. Stillman * By: /s/ Michael J. Chewens ------------------------------------- Michael J. Chewens, Attorney-in-Fact Pursuant to Power of Attorney