CONCURRENT COMPUTER CORPORATION EXHIBIT 11 BASIC AND DILUTED EARNINGS PER SHARE COMPUTATION THREE MONTHS ENDED NINE MONTHS ENDED MARCH 31, 1999 MARCH 31, 1999 ----------------- ----------------- BASIC DILUTED BASIC DILUTED ------- -------- ------- -------- Average outstanding shares:. . 48,043 48,043 47,855 47,855 Dilutive options outstanding . - 2,938 - 1,331 ------- -------- ------- -------- Equivalent Shares. . . . . . . 48,043 50,981 47,855 49,186 ======= ======== ======= ======== Net income available to common stockholders . . . . . . . . $ 294 $ 294 $ 783 $ 783 ======= ======== ======= ======== Earnings per share . . . . . . $ 0.01 $ 0.01 $ 0.02 $ .02 ======= ======== ======= ========