1 Exhibit 24 POWER OF ATTORNEY DIRECTORS OF SECURITY BANC CORPORATION Know all men by these presents that each person whose name is signed below has made, constituted and appointed, and by this instrument does make, constitute and appoint Harry O. Egger or J. William Stapleton, or either one of them acting alone, his true and lawful attorney with full power of substitution and resubstitution to affix for him and in his name, place and stead, as attorney-in-fact, his signature as director or officer, or both, of Security Banc Corporation, an Ohio corporation (the "Company"), to a Registration Statement on Form S-4 or other form registering under the Securities Act of 1933, common stock to be issued in connection with the acquisition of CitNat Bancorp, Inc. by the Statement, and to any and all applications and other documents pertaining thereto, giving and granting to such attorney-in-fact full power and authority to do and perform every act and thing whatsoever necessary to be done in the premises, as fully as he might or could do if personally present, and hereby ratifying and confirming all that said attorney-in-fact or any such substitute shall lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, this Power of Attorney has been signed at Springfield, Ohio, this 18 day of June, 1996. /s/ Larry D. Ewald - ------------------------------ Larry D. Ewald /s/ Richard E. Kramer - ------------------------------ Richard E. Kramer /s/ Larry E. Kaffenbarger - ------------------------------ Larry E. Kaffenbarger /s/ Jane N. Scarff - ------------------------------ Jane N. Scarff /s/ W. Dean Sweet - ------------------------------ W. Dean Sweet /s/ Thomas J. Veakauf - ------------------------------ Thomas J. Veakauf /s/ Chester L. Walthall - ------------------------------ Chester L. Walthall