1 Exhibit 11 SCIENTIFIC-ATLANTA, INC., AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE (IN THOUSANDS, EXCEPT PER SHARE DATA) EXHIBIT 11 (UNAUDITED) Three Months Ended Six Months Ended ---------------------------- ---------------------------- December 30, December 31, December 30, December 31, 1994 1993 1994 1993 ------------ ------------ ------------ ------------ WEIGHTED AVERAGE NUMBER OF COMMON SHARES OUTSTANDING 76,019 74,848 75,800 74,698 Add - Additional shares of common stock assumed issued upon exercise of options using the "treasury stock" method as it applies to the computation of primary earnings per share 2,212 2,348 2,123 2,467 ------- ------- ------- ------- NUMBER OF COMMON AND COMMON EQUIVALENT SHARES OUTSTANDING 78,231 77,196 77,923 77,165 Add - Additional shares of common stock assumed issued upon exercise of options using the "treasury stock" method as it applies to the computation of fully diluted earnings per share 20 -- 109 61 ------- ------- ------- ------- NUMBER OF SHARES OUTSTANDING ASSUMING FULL DILUTION 78,251 77,196 78,032 77,226 ======= ======= ======= ======= NET EARNINGS (LOSS) FOR PRIMARY AND FULLY DILUTED COMPUTATION $15,013 $(4,581) $27,122 $ 2,569 ======= ======= ======= ======= EARNINGS (LOSS) PER COMMON SHARE AND COMMON EQUIVALENT SHARE PRIMARY $ 0.19 $ (0.06) $ 0.35 $ 0.03 ======= ======= ======= ======= FULLY DILUTED $ 0.19 $ (0.06) $ 0.35 $ 0.03 ======= ======= ======= ======= 12 of 12