EXHIBIT 11 ---------- PEOPLES BANCORP INC. AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE (dollars in thousands, except share data) For the Three For the Nine Months Ended Months Ended September 30, 1998 September 30, 1998 1997 1998 1997 1998 ------ ------ ------ ------ BASIC EARNINGS PER SHARE EARNINGS: 					 	 	 Income before extraordinary charge $2,328 $2,158 $7,504 $6,285 Net income $2,096 $2,158 $7,272 $6,285 							 AVERAGE SHARES OUTSTANDING: 	 		 		 	 	 Weighted average Common Shares outstanding 5,828,842 5,180,915 5,767,048 5,174,934 - ----------------------------------------------------------------------------- 	 		 		 	 	 BASIC EARNINGS PER SHARE: 							 INCOME BEFORE EXTRAORDIANRY CHARGE $0.40 $0.42 $1.30 $1.21 NET INCOME $0.36 $0.42 $1.26 $1.21 ============================================================================= 	 		 		 	 	 DILUTED EARNINGS PER SHARE EARNINGS: Income before extraordinary charge $2,328 $2,158 $7,504 $6,285 Net income $2,096 $2,158 $7,272 $6,285 							 AVERAGE SHARES OUTSTANDING: 					 	 	 Weighted average Common Shares outstanding 5,828,842 5,180,915 5,767,048 5,174,934 Net effect of the assumed exercise of stock options based on the treasury stock method 162,096 180,485 183,995 153,043 - ----------------------------------------------------------------------------- Total 5,990,938 5,361,400 5,951,043 5,327,977 - ----------------------------------------------------------------------------- DILUTED EARNINGS PER SHARE: INCOME BEFORE EXTRAORDINARY CHARGE $0.39 $0.40 $1.26 $1.18 NET INCOME $0.35 $0.40 $1.22 $1.18 ============================================================================== * Adjusted for 3-for-2 stock split issued April 30, 1998, to shareholders of record as of April 13, 1998.