CONCURRENT COMPUTER CORPORATION EXHIBIT 11 BASIC AND DILUTED EARNINGS PER SHARE COMPUTATION THREE MONTHS ENDED SEPTEMBER 30, 1999 1998 --------------- --------------- BASIC/DILUTED BASIC/DILUTED --------------- --------------- Average outstanding shares . 48,965 47,675 Diluted options outstanding. - - --------------- --------------- Equivalent Shares. . . . . . 48,965 47,675 =============== =============== Net loss available to common stockholders . . . . . . . $ (2,551) $ (426) =============== =============== Loss per share . . . . . . . $ (0.05) $ (0.01) =============== ===============