CONCURRENT COMPUTER CORPORATION EXHIBIT 12 PRIMARY AND FULLY DILUTED EARNINGS PER SHARE COMPUTATION THREE MONTHS ENDED NINE MONTHS ENDED MARCH 29, MARCH 31, MARCH 29, MARCH 31, 1997 1996 1997 1996 ---------- ---------- ---------- ---------- Net income (loss) $ 2,280 $ 533 $ 913 ($5,656) Weighted average number of common shares 45,439 30,568 43,930 30,482 Increase in weighted average number of common shares upon assumed conversion of preferred stock -- -- -- -- Increase in weighted average number of common shares upon assumed conversion of stock options 723 704 723 -- Total 46,162 31,272 44,653 30,482 Net income (loss) per share Primary $ 0.05 $ 0.02 $ 0.02 ($0.19) ========== ========== ========== ========== Fully Diluted $ 0.05 $ 0.02 $ 0.02 ($0.19) ========== ========== ========== ==========