Alcoa and subsidiaries EXHIBIT 11 Computation of Earnings (Loss) per Common Share For the six months ended June 30 (in millions, except share amounts) 1995 1994 ---------- ---------- 1. Income (loss) applicable to common stock before extraordinary loss * $412.2 $4.0 2. Weighted average number of common shares outstanding during the period 178,424,528 177,414,490 3. Primary earnings (loss) per common share before extraordinary loss (1 divided by 2) $2.31 $.02 4. Fully diluted earnings (loss) before extraordinary loss (1) $412.2 $4.0 5. Shares issuable under compensation plans 24,046 87,576 6. Shares issuable upon exercise of dilutive outstanding stock options (treasury stock method) 1,194,010 485,308 7. Fully diluted shares (2 + 5 + 6) 179,642,584 177,987,374 8. Fully diluted earnings (loss) per common share before extraordinary loss (4 divided by 7) $2.29 $.02 Per share amounts for 1994 have been restated to reflect the two- for-one stock split which occurred in February, 1995. <FN> * After preferred dividend requirement