1 Exhibit 11.1 ANDATACO, INC. COMPUTATION OF LOSS PER COMMON SHARE (in thousands, except per share amounts) THREE MONTHS ENDED SIX MONTHS ENDED APRIL 30, APRIL 30, ------------------------------- ------------------------------- 1998 1997 1998 1997 ------------ ------------ ------------ ------------ Basic EPS Computation Net loss $ (189) $ (339) $ (609) $ (449) ------------ ------------ ------------ ------------ Weighted average shares outstanding 23,819 18,078 23,819 18,078 ------------ ------------ ------------ ------------ Shares used in computing basic loss per share 23,819 18,078 23,819 18,078 ------------ ------------ ------------ ------------ Basic loss per share $ (0.01) $ (0.02) $ (0.03) $ (0.03) ============ ============ ============ ============ THREE MONTHS ENDED SIX MONTHS ENDED APRIL 30, APRIL 30, ------------------------------- ------------------------------- 1998 1997 1998 1997 ------------ ------------ ------------ ------------ Diluted EPS Computation Net loss $ (189) $ (339) $ (609) $ (449) ------------ ------------ ------------ ------------ Weighted average shares outstanding 23,819 18,078 23,819 18,078 Common stock equivalents from the issuance of options and warrants using the treasury stock method -- -- -- -- ------------ ------------ ------------ ------------ Shares used in computing diluted loss per share 23,819 18,078 23,819 18,078 ------------ ------------ ------------ ------------ Diluted loss per share $ (0.01) $ (0.02) $ (0.03) $ (0.03) ============ ============ ============ ============