1 Exhibit 11.1 THE CHUBB CORPORATION COMPUTATION OF EARNINGS PER SHARE THREE MONTHS ENDED MARCH 31 1996 1995 ------- ------- (in millions) Net income ......................................... $ 151.4 $ 146.7 After-tax interest expense on 6% guaranteed exchangeable subordinated notes ................... 2.4 2.4 ------- ------- Net income for computing earnings per share ........ $ 153.8 $ 149.1 ======= ======= Average number of common shares outstanding ........ 174.7 173.7 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 ............... 5.8 5.8 ------- ------- Average number of common and common equivalent shares assumed outstanding for computing earnings per share ..................... 180.5 179.5 ======= ======= Net income per share ............................... $ .85 $ .83