1 THE CHUBB CORPORATION EXHIBIT 11 COMPUTATION OF EARNINGS PER SHARE (IN THOUSANDS) YEARS ENDED DECEMBER 31 1996 1995 1994 -------- -------- -------- Net income......................................... $512,684 $696,628 $528,469 After-tax interest expense on 6% guaranteed exchangeable subordinated notes.................. 9,735 9,750 9,750 -------- -------- -------- Net income for computing earnings per share........ $522,419 $706,378 $538,219 ======== ======== ======== Weighted average number of common shares outstanding...................................... 174,402 174,071 175,085 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 23.256 shares of common stock..................................... 5,793 5,814 5,814 -------- -------- -------- Weighted average number of common and common equivalent shares assumed outstanding for computing earnings per share..................... 180,195 179,885 180,899 ======== ======== ======== Net income per share............................... $ 2.90 $ 3.93 $ 2.98 Share and per share amounts have been retroactively adjusted to reflect the two-for-one stock split effective April 19, 1996. 47