Exhibit 11 The Allstate Corporation and Subsidiaries Computation of Earnings Per Common Share (In millions, except for per share data) Twelve Months Ended December 31, -------------------------------------------------- 1997 1996 1995 -------------- -------------- ----------- Net Income $3,105 $2,075 $1,904 ============== ============= =========== Basic earnings per common share computation: Weighted average number of common shares (1) 434.0 445.4 448.5 =============== ============== =========== Net income per share - basic $7.15 $4.66 $4.25 =============== ============== =========== Diluted earnings per common share computation: Weighted average number of common shares (1) 434.0 445.4 448.5 Assumed exercise of dilutive stock options 2.5 2.8 1.0 --------------- ---------------- ------------ Adjusted weighted number of common shares outstanding 436.5 48.2 449.5 =============== ================ ============ Net income per share - diluted $7.11 $4.63 $4.24 =============== ================ ============ <FN> (1) Common shares held as treasury shares were 25 million, 8 million, and 3 million, at December 31, 1997, 1996 and 1995, respectively. </FN> E-6