1 EXHIBIT 11 INVESTORSBANCORP, INC. AND SUBSIDIARY COMPUTATION OF BASIC AND DILUTED EARNINGS PER SHARE (UNAUDITED) A reconciliation of the income and shares used in computing the basic and diluted earnings per share is as follows: FOR THREE MONTHS ENDED MARCH 31, --------------------------- 2001 2000 ---------- ---------- Net income $ 260,137 $ 175,863 ========== ========== Determination of shares: Weighted average common shares outstanding (basic) 1,006,349 1,050,000 Assumed conversion of stock options 399 - ---------- ---------- Weighted average common shares outstanding (diluted) 1,006,748 1,050,000 ========== ========== Basic earnings per common share $ 0.26 $ 0.17 ========== ========== Diluted earnings per common share $ 0.26 $ 0.17 ========== ========== 16