EXHIBIT 11 COMPUTATION OF FULLY DILUTED EARNINGS PER SHARE UNDER TREASURY STOCK METHOD SET FORTH IN ACCOUNTING PRINCIPLES BOARD OPINION NO. 15 For Quarter Ended ________________________________________ September 30, 1994 September 30, 1993* ___________________ ___________________ Number of shares on which earnings (loss) per share is based: Average outstanding during period 586,270,999 572,531,607 Add - Incremental shares under stock option and stock purchase plans 5,584,543 -- - Incremental shares related to 5 3/4% CGI convertible bonds 7,715,388 -- ___________ _____________ Number of shares on which fully diluted earnings (loss) per share is based 599,570,930 572,531,607 ============ ============= Net earnings (loss) available to common shareholders (millions) $ 689 $ (70) - Net earnings (loss) effect of interest on 5 3/4% CGI convertible bonds (millions) 5 -- ____________ ____________ Net earnings (loss) on which fully diluted earnings per share is based (millions) $ 694 $ (70) ============ ============ Fully diluted earnings (loss) per share $ 1.16 $ (.12) Published earnings (loss) per share $ 1.18 $ (.12) * In 1993, incremental shares under stock plans and the effect of the convertible bonds were not considered for the fully diluted earnings (loss) per share calculation due to their antidilutive effect. As such, the amounts reported for published and fully diluted earnings (loss) per share are the same. - 17 - COMPUTATION OF FULLY DILUTED EARNINGS PER SHARE UNDER TREASURY STOCK METHOD SET FORTH IN ACCOUNTING PRINCIPLES BOARD OPINION NO. 15 - (CONTINUED) For Nine Months Ended ________________________________________ September 30, 1994 September 30, 1993* ___________________ ___________________ Number of shares on which earnings (loss) per share is based: Average outstanding during period 584,126,591 571,093,151 Add - Incremental shares under stock option and stock purchase plans 3,659,358 -- - Incremental share related to 5 3/4% CGI convertible bonds 7,715,392 -- ______________ _______________ Number of shares on which fully diluted earnings (loss) per share is based 595,501,341 571,093,151 ============== =============== Net earnings (loss) available to common shareholders (millions) $ 1,727 $ (8,510) - Net earnings (loss) effect of interest on 5 3/4% CGI convertible bonds (millions) 14 -- ______________ ______________ Net earnings (loss) on which fully diluted earnings per share is based (millions) $ 1,741 $ (8,510) ============== ============== Fully diluted earnings (loss) per share $ 2.92 $ (14.90) Published earnings (loss) per share $ 2.96 $ (14.90) * In 1993, incremental shares under stock plans and the effect of the convertible bonds were not considered for the fully diluted earnings (loss) per share calculation due to their antidilutive effect. As such, the amounts reported for published and fully diluted earnings (loss) per share are the same. - 18 -