EXHIBIT 11 CHAMPION INTERNATIONAL CORPORATION AND SUBSIDIARIES Calculation of Primary Earnings Per Common Share and Fully Diluted Earnings Per Common Share (unaudited) (in thousands, except per share) Three Months Ended ------------------ March 31, ------------------ 1996 1995 -------- -------- Primary earnings per common share: Net Income $ 83,649 $131,225 Dividends on Preference Shares --- 6,938 -------- -------- Net Income Applicable to Common Stock $ 83,649 $124,287 ======== ======== Average number of common shares outstanding 95,505 93,385 ======== ======== Per share $.88 $1.33 ======== ======== Fully diluted earnings per common share: Net Income Applicable to Common Stock $ 83,649 $124,287 Add income effect, assuming conversion of dilutive convertible securities --- 8,522 -------- -------- Net income on a fully diluted basis $ 83,649 $132,809 ======== ======== Average number of common shares outstanding 95,505 93,385 Add common share effect, assuming conversion of dilutive convertible securities --- 12,211 -------- -------- Average number of common shares outstanding on a fully diluted basis 95,505 105,596 ======== ======== Per share $ .88 $ 1.26 ======== ======== NOTE: (1) The computation of fully diluted earnings per common share assumes that the average number of common shares outstanding during the period is increased by the conversion of securities having a dilutive effect, and that net income applicable to common stock is increased by dividends and after-tax interest on such securities.