EXHIBIT 11 COMPUTER SCIENCES CORPORATION CALCULATION OF EARNINGS PER SHARE (In thousands except per-share amounts) Second Quarter Ended Six Months Ended ---------------------- ---------------------- Sept. 27, Sept. 29, Sept. 27, Sept. 29 1996 1995 1996 1995 ---------- ---------- ---------- ---------- Net income $14,006 $39,569 $59,283 $75,510 ========== ========== ========== ========== Shares: Weighted average shares outstanding 75,748 74,321 75,511 74,176 Common stock equivalents 2,274 2,537 2,413 2,424 ---------- ---------- ---------- ---------- Total for primary and fully diluted 78,022 76,858 77,924 76,600 ========== ========== ========== ========== Earnings Per Share: Primary and fully diluted* $ 0.18 $ 0.51 $ 0.76 $ 0.99 ========== ========== ========== ========== [FN] * The fully diluted calculation is submitted in accordance with Regulation S-K item 601 (b) (11) although not required by footnote 2 to paragraph 14 of APB Opinion No. 15 because it results in dilution of less than 3%.