EXHIBIT 11.1 AEHR TEST SYSTEMS AND SUBSIDIARIES COMPUTATIONS OF NET INCOME PER SHARE (in thousands, except per share data) (Unaudited) THREE MONTHS ENDED NOVEMBER 30, SIX MONTHS ENDED NOVEMBER 30, ------------------------------- ----------------------------- 1997 1996 1997 1996 ---- ---- ---- ---- Weighted average common shares outstanding.................. 6,831 4,304 5,780 4,304 Weighted average common equivalent shares assuming conversion of stock options under the treasury stock method............................................ 566 65 517 57 Common and common equivalent shares pursuant to Staff Accounting Bulletin No. 83.............................. - 108 - 108 ------- ------- ------- ------- Shares used in per share calculations....................... 7,397 4,477 6,297 4,469 ------- ------- ------- ------- ------- ------- ------- ------- Net income.................................................. $ 908 $ 423 $ 1,522 $ 790 ------- ------- ------- ------- ------- ------- ------- ------- Net income per share........................................ $ 0.12 $ 0.10 $ 0.24 $ 0.18 ------- ------- ------- ------- ------- ------- ------- ------- The difference between primary and fully diluted earnings per share is less than $0.01 for each period presented. 25