EXHIBIT 21 ---------- PEOPLES BANCORP INC. ANNUAL REPORT ON FORM 10-K FOR FISCAL YEAR ENDED DECEMBER 31, 1997 Subsidiaries of Peoples Bancorp Inc. 	 	 	 - ------------------------------------ The following are the only subsidiaries of Peoples Bancorp Inc.: Jurisdiction of Name of Subsidiary Incorporation - ------------------------------------------------- ------------- The Peoples Banking and Trust Company 	 	 	Ohio The First National Bank of Southeastern Ohio ("First National Bank") United States Northwest Territory Life Insurance Agency, Inc. (Subsidiary of First National Bank) Ohio Northwest Territory Property & Casualty Life Insurance Agency, Inc. (Subsidiary of First National Bank) Ohio Gateway Bancorp, Inc. ("Gateway") Ohio Catlettsburg Federal Savings Bank ("Subsidiary of Gateway") United States Russell Federal Savings Bank ("Subsidiary of Gateway") United States The Northwest Territory Life Insurance Company Arizona