Exhibit 16 March 27, 2003 Securities and Exchange Commission 450 5th Street N.W. Washington, D.C. 20549 Gentlemen: We have read and agree with the comments in Item 4 of Form 8-K of Farmers National Banc Corp dated March 27, 2003. /s/ HILL, BARTH & KING LLC Warren, Ohio March 27, 2003