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 FOR SIX MONTHS ENDED ---------------------- -------------------- JUNE 30, JUNE 30, -------- -------- 2000 1999 2000 1999 ---- ---- ---- ---- Net income $ 177,957 $ 103,486 $ 353,820 $ 121,734 =========== =========== =========== =========== Determination of shares: Weighted average common shares outstanding (basic) 1,050,000 1,050,000 * 1,050,000 1,050,000 * Assumed conversion of stock options - 3,377 * - 10,408 * ----------- ----------- ----------- ----------- Weighted average common shares outstanding (diluted) 1,050,000 1,053,377 * 1,050,000 1,060,408 * =========== =========== =========== =========== Basic earnings per common share $ 0.17 $ 0.10 * $ 0.34 $ 0.12 * =========== =========== =========== =========== Diluted earnings per common share $ 0.17 $ 0.10 * $ 0.34 $ 0.11 * =========== =========== =========== =========== * Restated for 5% stock dividend as of the December 31, 1999 record date 21