EXHIBIT 11.1 LATTICE SEMICONDUCTOR CORPORATION COMPUTATION OF NET INCOME PER SHARE (In thousands, except per share data) YEAR ENDED ---------------------------------- MARCH 29, 1997 MARCH 30, 1996 APRIL 1, 1995 ----------------------------------------------- Net income . . . . . . . . . . . . . . . . . . . . . . . . . . $45,005 $41,784 $26,966 ------- ------- ------- ------- ------- ------- Weighted average common stock and common stock equivalents: Common . . . . . . . . . . . . . . . . . . . . . . . . . . 22,460 20,327 18,627 Options and warrants . . . . . . . . . . . . . . . . . . . 513 652 537 ------- ------- ------- 22,973 20,979 19,164 ------- ------- ------- ------- ------- ------- Net income per share . . . . . . . . . . . . . . . . . . . . . $ 1.96 $ 1.99 $ 1.41 ------- ------- ------- ------- ------- -------