(Exhibit 11) COST PLUS, INC. COMPUTATION OF NET LOSS PER SHARE (IN THOUSANDS EXCEPT PER SHARE AMOUNTS, UNAUDITED) THREE MONTHS ENDED NINE MONTHS ENDED --------------------------- --------------------------- NOVEMBER 1, NOVEMBER 2, NOVEMBER 1, NOVEMBER 2, 1997 1996 1997 1996 ------------ ------------ ------------ ------------ NET LOSS $ (1,252) $ (863) $ (958) $ (1,455) ======== ======= ======= ======== WEIGHTED AVERAGE SHARES OUTSTANDING DURING THE PERIOD: COMMON STOCK 8,357 8,077 $ 8,206 7,595 ADD INCREMENTAL SHARES FROM ASSUMED EXERCISE OF STOCK OPTIONS 404 411 367 390 -------- ------- ------- -------- WEIGHTED AVERAGE COMMON AND COMMON EQUIVALENT SHARES OUTSTANDING 8,761 8,488 8,573 7,985 ======== ======= ======= ======== PRIMARY NET LOSS PER SHARE $ (0.14) $ (0.10) $ (0.11) $ (0.18) ======== ======= ======= ======== Weighted average shares outstanding during the period: Common stock 8,357 8,077 8,206 7,595 Add incremental shares from assumed exercise of stock options 412 410 444 390 -------- ------- ------- -------- Weighted average common and common equivalent shares outstanding 8,769 8,487 8,650 7,985 ======== ======= ======= ======== FULLY DILUTED NET LOSS PER SHARE $ (0.14) $ (0.10) $ (0.11) $ (0.18) ======== ======= ======= ========