Exhibit 11.1 PEOPLES OHIO FINANCIAL CORPORATION EARNINGS PER SHARE (UNAUDITED) Earnings per share were computed as follows: - --------------------------------------------- ------------- ---------------------------- ------------------ Three Months Ended September 30, 2002 Income Weighted Average Shares Per Share Amount - --------------------------------------------- ------------- ---------------------------- ------------------ Basic earnings per share-Income available to common shareholders $ 707,117 7,515,193 $ 0.09 --------- Effect of dilutive securities-stock options 214,786 --------- Diluted earnings per share- Income available to common shareholders and assumed conversion $ 707,117 7,729,979 $ 0.09 --------- --------- - --------------------------------------------- ------------- ---------------------------- ------------------ Three Months Ended September 30, 2001 Income Weighted Average Shares Per Share Amount - --------------------------------------------- ------------- ---------------------------- ------------------ Basic earnings per share-Income available to common shareholders $ 628,886 7,439,650 $ 0.08 --------- Effect of dilutive securities-stock options 247,866 --------- Diluted earnings per share- Income available to common shareholders and assumed conversion $ 628,886 7,687,516 $ 0.08 --------- --------- - --------------------------------------------- ------------- ---------------------------- ------------------ 16