1 EXHIBIT 11.01 ESS TECHNOLOGY, INC. COMPUTATION OF NET INCOME PER SHARE (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS) YEAR ENDED DECEMBER 31, ------------------------------ 1998 1999 2000 -------- ------- ------- Weighted average common shares.............................. 40,955 40,640 42,548 Weighted average incremental common equivalent shares: Common stock(2)........................................... -- 4,985 3,395 -------- ------- ------- Total weighted average common and common equivalent shares.................................................... 40,955 45,625 45,943 ======== ======= ======= Net income (loss)........................................... $(28,016) $40,105 $48,306 ======== ======= ======= Net income (loss) per share................................. $ (0.68) $ 0.88 $ 1.05 ======== ======= ======= - --------------- (1) This Exhibit should be read in conjunction with Note 1 of Notes to Consolidated Financial Statements. (2) Earnings per share is computed using the weighted average number of common and common equivalent shares ("weighted average shares") outstanding during the period. Common equivalent shares consist of the Company's common stock issuable upon exercise of stock options (using the treasury stock method), except when antidilutive.