1 EXHIBIT 11 PAYLESS SHOESOURCE, INC. COMPUTATION OF NET EARNINGS PER SHARE 13 Weeks Ended 39 Weeks Ended -------------------- ------------------- Oct. 30, Oct. 31, Oct. 30, Oct. 31, (Thousands, except per share) 1999 1998 1999 1998 --------- --------- --------- --------- Basic Computation: Net earnings $ 34,618 $ 33,688 $121,232 $120,747 Weighted average common shares outstanding 30,926 34,377 31,591 36,060 -------- -------- -------- -------- Basic earnings per share $ 1.12 $ 0.98 $ 3.84 $ 3.35 ======== ======== ======== ======== Diluted Computation: Net earnings $ 34,618 $ 33,688 $121,232 $120,747 Weighted average common shares outstanding 30,926 34,377 31,591 36,060 Net effect of dilutive stock options based on the treasury stock method 161 111 185 372 -------- -------- -------- -------- Outstanding shares for diluted earnings per share 31,087 34,488 31,776 36,432 ======== ======== ======== ======== Diluted earnings per share $ 1.11 $ 0.98 $ 3.82 $ 3.31 ======== ======== ======== ======== Note: Basic earnings per share is computed by dividing net earnings by the weighted average number of shares of common stock outstanding during the period. Diluted earnings per share includes the effect of conversions of options.