EXHIBIT 11 CHAMPION INTERNATIONAL CORPORATION AND SUBSIDIARIES Calculation of Primary Earnings (Loss) Per Common Share and Fully Diluted Earnings (Loss) Per Common Share (unaudited) (in thousands, except per share) Six Months Ended Three Months Ended ---------------------- ---------------------- June 30, June 30, ---------------------- ---------------------- 1997 1996 1997 1996 ---------- ---------- ---------- ---------- Primary earnings (loss) per common share: Net Income (Loss) Applicable to Common Stock $ (48,441) $ 99,201 $ (11,358) $ 15,552 ========== ========== ========== ========== Average number of common shares outstanding 95,625 95,508 95,659 95,511 ========== ========== ========== ========== Per share ($0.51) $1.04 ($0.12) $0.16 ========== ========== ========== ========== Fully diluted earnings (loss) per common share: Net Income (Loss) Applicable to Common Stock $ (48,441) $ 99,201 $ (11,358) $ 15,552 Add income effect, assuming conversion of dilutive convertible securities --- --- --- --- ---------- ---------- ---------- ---------- Net income (loss) on a fully diluted basis $ (48,441) $ 99,201 $ (11,358) $ 15,552 ========== ========== ========== ========== Average number of common shares outstanding 95,625 95,508 95,659 95,511 Add common share effect, assuming conversion of dilutive convertible securities --- --- --- --- ---------- ---------- ---------- ---------- Average number of common shares outstanding on a fully diluted basis 95,625 95,508 95,659 95,511 ========== ========== ========== ========== Per share ($0.51) $1.04 ($0.12) $0.16 ========== ========== ========== ========== - ------------------------------------ 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.