EXHIBIT 11 HAMILTON BANCORP INC. AND SUBSIDIARIES CALCULATION OF LOSS PER SHARE (DOLLARS IN THOUSANDS, EXCEPT PER SHARE DATA) THREE MONTHS ENDED SEPTEMBER 30, NINE MONTHS ENDED SEPTEMBER 30, ----------------------------------- ----------------------------------- 2001 2000 2001 2000 ------------ ------------ ------------ ------------ Basic: Weighted average number of common shares outstanding ............................. 10,081,147 10,081,147 10,081,147 10,081,147 Net income (loss) .......................... $ (6,168) $ (17,874) $ (28,344) $ (5,337) Basic earnings (loss) per share ............ $ (0.61) $ (1.77) $ (2.81) $ (0.53) Diluted: Weighted average number of common shares outstanding ............................. 10,081,147 10,081,147 10,081,147 10,081,147 Potential common shares outstanding - options 0 0 0 0 ------------ ------------ ------------ ------------ Total common and potential common shares outstanding ............................. 10,081,147 10,081,147 10,081,147 10,081,147 Net income (loss) .......................... $ (6,168) $ (17,874) $ (28,344) $ (5,337) Diluted earnings (loss) per share .......... $ (0.61) $ (1.77) $ (2.81) $ (0.53) 40