Exhibit 11.0 SLADE'S FERRY BANCORP AND SUBSIDIARY COMPUTATION OF PER SHARE EARNINGS (Unaudited) Three months ended March 31, ------------------------- 2003 2002 ------------------------- <s> <c> Net Income $ (692,180) $ 781,922 ------------------------- Average shares outstanding 3,948,584 3,879,855 ------------------------- Basic earnings per share $ (0.18) $ 0.20 ------------------------- Net Income $ (692,180) $ 781,922 ------------------------- Average shares outstanding 3,948,584 3,879,855 Net effect of dilutive stock options 26,213 33,714 ------------------------- Adjusted shares outstanding 3,974,797 3,913,569 ------------------------- Diluted earnings per share $ (0.17) $ 0.20 -------------------------