THE PERKIN-ELMER CORPORATION COMPUTATION OF NET INCOME (LOSS) PER SHARE (Dollar amounts in thousands, except per share amounts) June 30, June 30, June 30, July 31, July 31, 1995 1994 1993 1992 1991 Weighted average number of common shares 42,129 43,857 43,780 43,526 42,091 Common stock equivalents - stock options 515 816 1,173 1,169 Weighted average number of common shares used in calculating primary earnings per share 42,644 44,673 44,953 44,695 42,091 Additional dilutive stock options under paragraph #42 APB #15 120 172 97 280 Shares used in calculating earnings per share - fully diluted basis 42,764 44,845 45,050 44,975 42,091 Calculation of primary and fully diluted earnings per share: PRIMARY AND FULLY DILUTED: Income (loss) from continuing operations $ 66,877 $ 73,978 $ 24,444 $ 24,296 $ (16,384) Income (loss) from discontinued operations (22,851) 1,714 10,941 (2,020) Income (loss) before cumulative effect of accounting changes $ 66,877 $ 51,127 $ 26,158 $ 35,237 $ (18,404) Cumulative effect of accounting changes (83,098) Net income (loss) used in the calculation of primary and fully diluted earnings per share $ 66,877 $ 51,127 $ (56,940) $ 35,237 $ (18,404) PRIMARY: Per share amounts: Income (loss) from continuing operations $ 1.57 $ 1.66 $ .54 $ .54 $ (.39) Income (loss)from discontinued operations (.52) .04 .25 (.05) Income (loss) before cumulative effect of accounting changes 1.57 1.14 $ .58 $ .79 $ (.44) Loss from cumulative effect of accounting changes (1.85) Net income (loss) $ 1.57 $ 1.14 $ (1.27) $ .79 $ (.44) FULLY DILUTED: Per share amounts: Income (loss) from continuing operations $ 1.56 $ 1.65 $ .54 $ .54 $ (.39) Income (loss) from discontinued operations (.51) .04 .24 (.05) Income (loss) before cumulative effect of accounting changes 1.56 1.14 .58 .78 (.44) Loss from cumulative effect of accounting changes (1.84) Net income (loss) $ 1.56 $ 1.14 $ (1.26) $ .78 $ (.44) EXHIBIT 11