EXHIBIT 11.1 INFORMIX CORPORATION COMPUTATION OF NET INCOME PER SHARE (IN THOUSANDS, EXCEPT PER-SHARE DATA) FOR THE YEARS ENDED DECEMBER 31, ---------------------------------- 1996 1995(1) 1994(1)(2) ---------- ---------- ---------- Net income used for net income (loss) per-share calculation.................. $ (73,565) $ 38,600 $ 48,293 Net Income Per Common Share: Weighted average outstanding shares........................................ 149,310 145,062 137,742 Net effect of outstanding options.......................................... -- 5,565 5,040 Weighted average common and common equivalent shares outstanding........... 149,310 150,627 142,782 Net income (loss) per-share.................................................. $ (.49) $ .26 $ .34 ---------- ---------- ---------- ---------- ---------- ---------- Fully diluted computation not presented since such amounts differ by less than 3 percent of the net income (loss) per share amounts shown above. Notes: (1) Amounts presented have been restated to reflect the Company's business combination with Illustra Information Technologies, Inc. as a pooling-of-interests. (2) Share and per-share information has been restated to reflect a two-for-one stock split (effected in the form of a stock dividend) which was effective June 26, 1995.