EXHIBIT NO. 11 APPLIED BIOSCIENCE INTERNATIONAL INC. AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE (in thousands, except per share amounts) Three Months Ended Six Months Ended June 30, June 30, --------------------- --------------------- Primary Earnings per Share 1995 1994 1995 1994 --------- --------- --------- --------- Income from continuing operations $ 775 $ 1,198 $ 1,211 $ 1,754 Income (loss) from discontinued operations - (686) - (790) --------- --------- --------- --------- Net Income (loss) $ 775 $ 512 $ 1,211 $ 964 ========= ========= ========= ========= Weighted average number of shares of common stock outstanding during the period 28,159 28,194 28,166 28,159 Common stock equivalents assuming exercise of stock options (a) 266 328 263 297 --------- --------- --------- --------- Weighted average common and common equivalent shares outstanding 28,425 28,522 28,429 28,456 ========= ========= ========= ========= Primary earnings (loss) per common share Continuing Operations $ 0.03 $ 0.04 $ 0.04 $ 0.06 Discontinued Operations - (0.02) - (0.03) --------- --------- --------- --------- Primary earnings per share $ 0.03 $ 0.02 $ 0.04 $ 0.03 ========= ========= ========= ========= Fully Diluted Earnings per Share Income from continuing operations $ 775 $ 1,198 $ 1,211 $ 1,754 Income (loss) from discontinued operations - (686) - (790) --------- --------- --------- --------- Net Income (loss) $ 775 $ 512 $ 1,211 $ 964 ========= ========= ========= ========= Weighted average number of shares of common stock outstanding during the period 28,159 28,194 28,166 28,159 Common stock equivalents assuming exercise of stock options (a) 266 328 263 297 --------- --------- --------- --------- Weighted average common and common equivalent shares outstanding 28,425 28,522 28,429 28,456 ========= ========= ========= ========= Fully diluted earnings (loss) per common share Continuing operations $ 0.03 $ 0.04 $ 0.04 $ 0.06 Discontinued operations - (0.02) - (0.03) --------- --------- --------- --------- Fully diluted earnings per share $ 0.03 $ 0.02 $ 0.04 $ 0.03 ========= ========= ========= ========= (a) In the calculation of common stock equivalents, stock options are assumed to be exercised at the beginning of the period. The proceeds from the options exercised are assumed to be used to purchase common stock at (i) the average market price during the period for primary earnings per share and (ii) the higher of the average or last market price during the period for fully diluted earnings per share.