(Exhibit 11) COST PLUS, INC. COMPUTATION OF NET INCOME (LOSS) PER SHARE (IN THOUSANDS EXCEPT PER SHARE AMOUNTS, UNAUDITED) THREE MONTHS ENDED ------------------------------ MAY 3, MAY 4, 1997 1996 ------------ ------------ NET INCOME (LOSS) $ 107 $ (395) ============ ============ Weighted average shares outstanding during the period: Common Stock 8,106 6,640 Add incremental shares from assumed exercise of stock options 313 338 ------------ ------------ Weighted average common and common equivalent shares outstanding 8,419 6,978 ============ ============ PRIMARY NET INCOME (LOSS) PER SHARE $ .01 $ (.06) ============ ============ Weighted average shares outstanding during the period: Common Stock 8,106 6,640 Add incremental shares from assumed exercise of stock options 313 426 ------------ ------------ Weighted average common and common equivalent shares outstanding 8,419 7,066 ============ ============ FULLY DILUTED NET INCOME (LOSS) PER SHARE $ .01 $ (.06) ============ ============