EX-99 3 ex99_6.txt EXHIBIT 99.6 Exhibit 99.6 ------------ October 3, 2002 Securities and Exchange Commission 450 5th Street, N.W. Washington, D.C. 20549 Re: FNB Bancorp File No. 0-49693 Dear Sir or Madam: We have read Item 4 of the Form 8-K of FNB Bancorp dated September 27, 2002, and agree with the statements concerning our Firm contained therein. Very truly yours, /s/ GRANT THORNTON LLP -4-