CONCURRENT COMPUTER CORPORATION EXHIBIT 11 BASIC AND DILUTED EARNINGS (LOSS) PER SHARE COMPUTATION THREE MONTHS ENDED SEPTEMBER 30, 2000 1999 BASIC/DILUTED BASIC/DILUTED ------------- ------------- Average outstanding shares 53,988 48,965 Dilutive options outstanding - - ------------- ------------- Equivalent Shares 53,988 48,965 ============= ============ Net loss available to common stockholders $ (1,563) $ (2,551) ============= ============ Loss per share $ (0.03) $ (0.05) ============= ============