<SEC-DOCUMENT>0001140361-18-025299-index.html : 20180523
<SEC-HEADER>0001140361-18-025299.hdr.sgml : 20180523
<ACCEPTANCE-DATETIME>20180523145110
ACCESSION NUMBER:		0001140361-18-025299
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20180523
DATE AS OF CHANGE:		20180523
EFFECTIVENESS DATE:		20180523

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NBT BANCORP INC
		CENTRAL INDEX KEY:			0000790359
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				161268674
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-225134
		FILM NUMBER:		18854901

	BUSINESS ADDRESS:	
		STREET 1:		52 S BROAD ST
		CITY:			NORWICH
		STATE:			NY
		ZIP:			13815
		BUSINESS PHONE:		6073372265

	MAIL ADDRESS:	
		STREET 1:		52 S. BROAD STREET
		CITY:			NORWICH
		STATE:			NY
		ZIP:			13815
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8
<SEQUENCE>1
<FILENAME>forms8.htm
<DESCRIPTION>S-8
<TEXT>
Document 1 - file: forms8.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5
<SEQUENCE>2
<FILENAME>ex5.htm
<DESCRIPTION>EXHIBIT 5
<TEXT>
Document 2 - file: ex5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>ex23_1.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 3 - file: ex23_1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>4
<FILENAME>ex99.htm
<DESCRIPTION>EXHIBIT 99
<TEXT>
Document 4 - file: ex99.htm

</DOCUMENT>
</SEC-DOCUMENT>