EXHIBIT 11.1 GENUS, INC. COMPUTATION OF EARNINGS PER COMMON AND COMMON EQUIVALENT SHARE (A) (IN THOUSANDS) YEAR ENDED DECEMBER 31, ------------------------------- 1995 1994 1993 --------- --------- --------- Average common shares outstanding.............................................. 15,334 12,545 12,170 Computation of incremental outstanding shares Net effect of dilutive stock options based on treasury stock method.......... 729 561 -- --------- --------- --------- 16,063 13,106 12,170 --------- --------- --------- --------- --------- --------- Net income (loss).............................................................. $ 19,282 $ 4,177 $ (6,883) --------- --------- --------- --------- --------- --------- Earnings (loss) per share (b).................................................. $ 1.20 $ 0.32 $ (0.57) --------- --------- --------- --------- --------- --------- (a) See Note 1 of Notes to Consolidated Financial Statements. (b) Primary and fully diluted earnings per share are materially the same for all years presented.