1 THE CHUBB CORPORATION EXHIBIT 11 COMPUTATION OF EARNINGS PER SHARE (IN THOUSANDS) YEARS ENDED DECEMBER 31, 1993, 1992 AND 1991 1993 1992 1991 -------- -------- -------- Net income......................................... $324,217 $617,099 $551,984 After-tax interest expense: 6% guaranteed exchangeable subordinated notes. 9,750 9,900 6,188 5 1/2% convertible subordinated notes......... -- -- 1,636 -------- -------- -------- Net income for computing earnings per share........ $333,967 $626,999 $559,808 ======== ======== ======== Average number of common shares outstanding........ 87,642 87,187 85,786 Additional shares from assumed conversion of: 6% guaranteed exchangeable subordinated notes as if each $1,000 of principal amount had been converted at issuance into 11.628 shares of common stock...................... 2,907 2,907 1,817 5 1/2% convertible subordinated notes as if each $1,000 of principal amount had been converted at issuance into 23.446 shares of common stock................................ -- -- 1,035 -------- -------- -------- Average number of common and common equivalent shares assumed outstanding for computing earnings per share........................................ 90,549 90,094 88,638 ======== ======== ======== Net income per share............................... $ 3.69 $ 6.96 $ 6.32