Exhibit (11) ------------ OWENS CORNING AND SUBSIDIARIES COMPUTATION OF PER SHARE EARNINGS Quarter Ended Six Months Ended June 30, June 30, -------- -------- 2001 2000 2001 2000 ---- ---- ---- ---- (In millions of dollars, except share data) Basic: - ----- Net income (loss) $ 29 $ (425) $ 19 $ (377) ========== ========== ========== ========== Basic weighted average number of common shares outstanding (thousands) 55,076 54,793 55,058 54,652 Basic per share amount $ .53 $ (7.76) $ .34 $ (6.90) ========== ========== ========== ========== Diluted: - ------- Net income $ 29 $ (425) $ 19 $ (377) ========== ========== ========== ========== Weighted average number of common shares outstanding (thousands) 55,076 54,793 55,058 54,652 Weighted average common equivalent shares (thousands): Deferred awards 303 - 337 - Stock options using the average market price during the period - - - - Shares from assumed conversion of preferred securities 4,566 - 4,566 - --------- ------------ --------- ------------ Diluted weighted average number of common shares outstanding and common equivalent shares (thousands) 59,945 54,793 59,961 54,652 ======== ======== ======== ======== Diluted per share amount $ .49 $ (7.76) $ .32 $ (6.90) ========== =========== ========== ==========