Exhibit 11 THE MAY DEPARTMENT STORES COMPANY COMPUTATION OF NET EARNINGS PER SHARE 13 Weeks Ended (millions, except per share) May 2, May 3, 1998 1997 Net earnings before extraordinary loss $ 110 $ 98 ESOP Preferred Dividends, net of tax benefit on unallocated shares (5) (5) Net earnings available for common shareowners before extraordinary loss 105 93 Extraordinary loss - (4) Total net earnings available for common shareowners $ 105 $ 89 Average common shares outstanding 231.1 235.5 Basic earnings per share before extraordinary loss $ 0.45 $ 0.39 Extraordinary loss - (.01) Total Basic earnings per share $ 0.45 $ 0.38 Diluted Computation: Adjusted net earnings available before extraordinary loss $ 105 $ 93 Earnings impact of assumed conversion of ESOP Preference Shares, net of tax benefit on unallocated common shares 4 4 Adjusted net earnings available before extraordinary loss - DILUTED 109 97 Extraordinary loss - (4) Total adjusted net earnings available - DILUTED $ 109 $ 93 Average common shares outstanding 231.1 235.5 ESOP Preference Shares 14.9 15.4 Common Share equivalents (CSE's) attributable to the treasury stock method 1.9 1.4 Average Common Stock and CSE's 247.9 252.3 Diluted earnings per share before extraordinary loss $ 0.44 $ 0.38 Extraordinary loss - (.01) Total Diluted Earnings per share $ 0.44 $ 0.37