NB&T Financial (NBTF) 10-Q 2005 Q2 Quarterly report

Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of NB&T Financial Group, Inc. (the “Company”), on Form 10-Q for the period ended June 30, 2005, dated the date of this Certification (the “Report”), I, Timothy L. Smith, the President and the Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

1. The Report complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: August 11, 2005	/s/ Timothy L. Smith
	Timothy L. Smith
	President and Chief Executive Officer

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