EXHIBIT 11 SCIENTIFIC-ATLANTA, INC. AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE (IN THOUSANDS, EXCEPT PER SHARE DATA) (UNAUDITED) FISCAL 1999 FISCAL 1998 ----------- ----------- PER SHARE PER SHARE EARNINGS SHARES AMOUNT EARNINGS SHARES AMOUNT -------- ---------- --------- -------- ---------- --------- BASIC EARNINGS PER COMMON SHARE Net earnings $14,994 79,216 $ 0.19 $16,485 79,248 $ 0.21 ======= ====== ===== ======= ====== ==== EFFECT OF DILUTIVE STOCK OPTIONS $ - 1,433 $ - $ - 1,678 $ - ======= ====== ===== ======= ====== ==== DILUTED EARNINGS PER COMMON SHARE NET EARNINGS $14,994 80,649 $ 0.19 $16,485 79,926 $ 0.21 ======= ====== ===== ======= ====== ==== The following information pertains to options to purchase shares of common stock which were not included in the computation of Diluted Earnings per Common Share because the options' exercise price was greater than the average market price of the common shares and inclusion of the options in the earnings per share calculation would have been anti-dilutive: 1999 1998 - ------------------------------------------------------------------------------- Number of options outstanding 2,396 956 Weighted average exercise price $23.573 $23.356 11 of 12