1 EXHIBIT 11 BRUSH WELLMAN INC. AND SUBSIDIARIES COMPUTATION OF PER SHARE EARNINGS FIRST QUARTER ENDED ------------------------- APRIL 3, MARCH 28, 1998 1997 ----------- ----------- Basic: Average shares outstanding................................ 16,317,518 16,165,728 =========== =========== Net Income................................................ $ 6,162,000 $ 6,490,000 Per share amount.......................................... $ 0.38 $ 0.40 =========== =========== Diluted: Average shares outstanding................................ 16,317,518 16,165,728 Dilutive stock options based on the treasury stock method using average market price............................. 398,104 108,429 ----------- ----------- TOTALS............................................... 16,715,622 16,274,157 =========== =========== Net Income................................................ $ 6,162,000 $ 6,490,000 Per share amount.......................................... $ 0.37 $ 0.40 =========== =========== 14