Exhibit 11.0 SLADE'S FERRY BANCORP AND SUBSIDIARY COMPUTATION OF PER SHARE EARNINGS (Unaudited) Three months ended Six months ended June 30, June 30, ---------------------------------------------------- 2003 2002 2003 2002 ---------------------------------------------------- <s> <c> <c> <c> <c> Net Income $1,609,696 $ 56,754 $ 917,516 $ 838,676 ---------------------------------------------------- Average shares outstanding 3,964,054 3,903,564 3,956,361 3,891,775 ---------------------------------------------------- Basic earnings per share $ 0.41 $ 0.01 $ 0.23 $ 0.22 ---------------------------------------------------- Net Income $1,609,696 $ 56,754 $ 917,516 $ 838,676 ---------------------------------------------------- Average shares outstanding 3,964,054 3,903,564 3,956,361 3,891,775 Net effect of dilutive stock options 25,231 30,823 22,986 30,745 ---------------------------------------------------- Adjusted shares outstanding 3,989,285 3,934,387 3,979,347 3,922,520 ---------------------------------------------------- Diluted earnings per share $ 0.40 $ 0.01 $ 0.23 $ 0.21 ----------------------------------------------------