Exhibit 21 INTERCOUNTY BANCSHARES, INC. SUBSIDIARIES OF THE REGISTRANT At December 31, 1998 STATE OF PERCENTAGE NAME OF CORPORATION INCORPORATION OF OWNERSHIP - ------------------- ------------- ------------ The National Bank & Trust Company Ohio 100% Phillips Insurance Agency Group, Inc. Ohio 100% Phillips Casualty Insurance Agency, Inc. Ohio 100% Phillips Life Insurance Agency, Inc. Ohio 100% Arnold Jones Insurance Agency, Inc. Ohio 100% -97-