1 PART I EXHIBIT 11 BRUSH WELLMAN INC. AND SUBSIDIARIES COMPUTATION OF PER SHARE EARNINGS THIRD QUARTER ENDED NINE MONTHS ENDED ------------------------------ ------------------------------ SEPTEMBER 26, SEPTEMBER 27, SEPTEMBER 26, SEPTEMBER 27, 1997 1996 1997 1996 ------------- ------------- ------------- ------------- Primary diluted: Average shares outstanding............ 16,363,620 15,879,424 16,315,324 15,901,463 Dilutive stock options based on the treasury stock method using average market price....................... 406,577 196,286 263,300 183,607 ----------- ----------- ----------- ----------- TOTALS........................... 16,770,197 16,075,710 16,578,624 16,085,070 =========== =========== =========== =========== Net Income............................ $ 3,989,000 $ 4,565,000 $ 17,968,000 $ 17,864,000 Per share amount...................... $ 0.24 $ 0.28 $ 1.08 $ 1.11 =========== =========== =========== =========== Fully diluted: Average shares outstanding............ 16,363,620 15,879,424 16,315,324 15,901,463 Dilutive stock options based on the treasury stock method using average market price....................... 476,832 196,778 494,981 201,007 ----------- ----------- ----------- ----------- TOTALS........................... 16,840,452 16,076,202 16,810,305 16,102,470 =========== =========== =========== =========== Net Income............................ $ 3,989,000 $ 4,565,000 $ 17,968,000 $ 17,864,000 Per share amount...................... $ 0.24 $ 0.28 $ 1.07 $ 1.11 =========== =========== =========== =========== 14