PART 1: EXHIBIT 11.00 JSB FINANCIAL, INC. AND SUBSIDIARY STATEMENT RE: COMPUTATION OF PER SHARE EARNINGS (In Thousands, except per share amounts) Three Months Ended Six Months Ended June 30, June 30, ------------------------ ---------------------- 1999 1998 1999 1998 ------------------------ ---------------------- Basic earnings per share: - ------------------------- Basic weighted average common shares 9,288 9,878 9,337 9,882 Net Income $ 6,893 $15,186 $14,372 $22,850 Basic earnings per common share $ .74 $1.54 $ 1.54 $ 2.31 Diluted earnings per share: - --------------------------- Weighted average common and dilutive potential shares 9,470 10,184 9,540 10,193 Net Income $ 6,893 $15,186 $14,372 $22,850 Diluted earnings per common share $ .73 $ 1.49 $ 1.51 $ 2.24