Exhibit 99.1




                            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 Princeton National Bancorp, Inc.
("PNBC") on Form 10-Q for the period ended June 30, 2002 as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), I Tony J.
Sorcic, President & Chief Executive Officer of PNBC, certify, pursuant to 18
U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley
Act of 2002, that to the best of my knowledge:


(1)      The Report fully 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 represents, in all
         material respects, the financial condition and result of operations of
         PNBC.




/s/ Tony J. Sorcic
-----------------------------------
Tony J. Sorcic
President & Chief Executive Officer

August 12, 2002


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