Exhibit 11 THE ST. PAUL COMPANIES, INC. AND SUBSIDIARIES Computation of Earnings Per Share (In thousands) Three Months Ended March 31 --------------------- 1998 1997 EARNINGS: ------ ------ Basic: Net income, as reported $154,000 124,549 PSOP preferred dividends declared (net of taxes) (2,149) (2,185) Premium on preferred shares redeemed (844) (260) ------- ------- Net income, as adjusted $151,007 122,104 ======= ======= Diluted: Net income, as reported $154,000 124,549 Dividends on monthly income preferred securities (net of taxes) 2,018 2,018 Additional PSOP expense (net of taxes) due to assumed conversion of preferred stock (576) (670) Premium on preferred shares redeemed (844) (260) ------- ------- Net income, as adjusted $154,598 125,637 ======= ======= SHARES: Basic: Weighted average number of common shares outstanding, per consolidated financial statements 167,746 166,738 ======= ======= Diluted: Weighted average number of common shares outstanding, per consolidated financial statements 167,746 166,738 Additional dilutive effect of: Assumed conversion of PSOP preferred stock 7,634 7,868 Assumed conversion of monthly income preferred securities 7,018 7,018 Outstanding stock options (based on treasury stock method using average market price during period) 2,786 2,272 ------- ------- Weighted average, as adjusted 185,184 183,896 ======= ======= EARNINGS PER COMMON SHARE: Basic $0.90 0.73 Diluted $0.83 0.68