1 Exhibit 11. TERA COMPUTER COMPANY COMPUTATION OF PER SHARE EARNINGS (unaudited) THREE MONTHS ENDED NINE MONTHS ENDED SEPTEMBER 30, SEPTEMBER 30, 1997 1998 1997 1998 ------------ ------------ ------------ ------------ WEIGHTED AVERAGE SHARES OUTSTANDING 10,331,862 12,258,238 8,064,929 11,785,680 NET LOSS $ (4,774,801) $ (4,759,910) $(11,156,167) $(14,344,763) NET LOSS PER SHARE $ (0.46) $ (0.39) $ (1.38) $ (1.22)