1 EXHIBIT 11 BRUSH WELLMAN INC. AND SUBSIDIARIES COMPUTATION OF PER SHARE EARNINGS SECOND QUARTER ENDED SIX MONTHS ENDED --------------------------------------------------------------------- JULY 3, JUNE 27, JULY 3, JUNE 27, 1998 1997 1998 1997 ------------ ------------ ------------ ------------ Basic: Average shares outstanding 16,372,170 16,285,043 16,344,844 16,244,158 ============ ============ ============ ============ Net Income ($13,084,000) $7,489,000 ($6,922,000) $13,979,000 Per share amount ($0.80) $0.46 ($0.42) $0.86 ============ ============ ============ ============ Diluted: Average shares outstanding 16,372,170 16,285,043 16,344,844 16,244,158 Dilutive stock options based on the treasury stock method using average market price 297,092 232,941 ------------ ------------ ------------ ------------ Totals 16,372,170 16,582,135 16,344,844 16,477,099 ============ ============ ============ ============ Net Income ($13,084,000) $7,489,000 ($6,922,000) $13,979,000 Per share amount ($0.80) $0.46 ($0.42) $0.86 ============ ============ ============ ============ 18