1 EXHIBIT 11 SCIENTIFIC-ATLANTA, INC., AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE (IN THOUSANDS, EXCEPT PER SHARE DATA) (UNAUDITED) Three Months Ended ------------------------------ September 27, September 29, 1996 1995 ------------- ------------- WEIGHTED AVERAGE NUMBER OF COMMON SHARES OUTSTANDING 77,127 77,019 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 543 1,625 -------- -------- NUMBER OF COMMON AND COMMON EQUIVALENT SHARES OUTSTANDING 77,670 78,644 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 167 -- -------- -------- NUMBER OF SHARES OUTSTANDING ASSUMING FULL DILUTION 77,837 78,644 ======== ======== NET EARNINGS (LOSS) FOR PRIMARY AND FULLY DILUTED COMPUTATION Continuing Operations $ 10,811 $ 4,086 Discontinued Operations 3,400 (13,210) -------- -------- Net Earnings (Loss) $ 14,211 $ (9,124) ======== ======== EARNINGS (LOSS) PER COMMON SHARE AND COMMON EQUIVALENT SHARE PRIMARY Continuing Operations $ 0.14 $ 0.05 Discontinued Operations 0.04 (0.17) -------- -------- Net Earnings (Loss) $ 0.18 $ (0.12) ======== ======== FULLY DILUTED Continuing Operations $ 0.14 $ 0.05 Discontinued Operations 0.04 (0.17) -------- -------- Net Earnings (Loss) $ 0.18 $ (0.12) ======== ======== Note: In the three months ended September 29, 1995 the dilutive effect of equivalent shares derived from stock options was less than 3 percent and therefore, the equivalent shares were not included in the computation of earnings per share. 9 of 10