1 EXHIBIT 11 BRUSH WELLMAN INC. AND SUBSIDIARIES COMPUTATION OF PER SHARE EARNINGS THIRD QUARTER ENDED NINE MONTHS ENDED -------------------------- -------------------------- OCT. 2, SEPT. 26, OCT. 2, SEPT. 26, 1998 1997 1998 1997 ----------- ----------- ----------- ----------- Basic: Average shares outstanding.......... 16,197,162 16,238,666 16,295,836 16,191,303 =========== =========== =========== =========== Net Income.......................... $ 98,000 $ 3,989,000 $(6,824,000) $17,968,000 Per share amount.................... $ 0.01 $ 0.25 $ (0.42) $ 1.11 =========== =========== =========== =========== Diluted: Average shares outstanding.......... 16,197,162 16,238,666 16,295,836 16,191,303 Dilutive stock options based on the treasury stock method using average market price............. 55,481 290,693 -- 195,068 ----------- ----------- ----------- ----------- TOTALS...................... 16,252,643 16,529,359 16,295,836 16,386,371 =========== =========== =========== =========== Net Income.......................... $ 98,000 $ 3,989,000 $(6,824,000) $17,968,000 Per share amount.................... $ 0.01 $ 0.24 $ (0.42) $ 1.10 =========== =========== =========== =========== 17