1 EXHIBIT 11.1 PAYLESS SHOESOURCE, INC. COMPUTATION OF NET EARNINGS PER SHARE 13 Weeks Ended ------------------ May 1, May 2, (Thousands, except per share) 1999 1998 -------- -------- Basic Computation: - ----------------- Net earnings $ 35,270 $ 37,758 Weighted average common shares outstanding 32,255 37,308 -------- -------- Basic earnings per share $ 1.09 $ 1.01 ======== ======== Diluted Computation: - -------------------- Net earnings $ 35,270 $ 37,758 Weighted average common shares outstanding 32,255 37,308 Net effect of dilutive stock options based on the treasury stock method 174 493 -------- -------- Outstanding shares for diluted earnings per share 32,429 37,801 ======== ======== Diluted earnings per share $ 1.09 $ 1.00 ======== ======== 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.