<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED FINANCIAL STATEMENTS OF AETHLON MEDICAL INC. FOR THE THREE AND SIX
MONTHS ENDED SEPTEMBER 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS.
</LEGEND>

<S>                             <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   6-MOS
<FISCAL-YEAR-END>                          MAR-31-2001             MAR-31-2001
<PERIOD-START>                             JUL-01-2000             APR-01-2000
<PERIOD-END>                               SEP-30-2000             SEP-30-2000
<CASH>                                           1,677                   1,677
<SECURITIES>                                         0                       0
<RECEIVABLES>                                   47,312                  47,312
<ALLOWANCES>                                         0                       0
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                                86,053                  86,053
<PP&E>                                         168,826                 168,826
<DEPRECIATION>                                 134,143                 134,143
<TOTAL-ASSETS>                               2,290,936               2,290,936
<CURRENT-LIABILITIES>                        2,801,398               2,801,398
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                         2,772                   2,772
<OTHER-SE>                                   (513,234)               (513,234)
<TOTAL-LIABILITY-AND-EQUITY>                 2,290,936               2,290,936
<SALES>                                              0                       0
<TOTAL-REVENUES>                                 1,158                  22,479
<CGS>                                                0                       0
<TOTAL-COSTS>                                        0                       0
<OTHER-EXPENSES>                               361,147                 694,054
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                             352,949                 667,147
<INCOME-PRETAX>                              (712,938)             (1,338,722)
<INCOME-TAX>                                       806                   1,465
<INCOME-CONTINUING>                          (713,744)             (1,340,187)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                 (713,744)             (1,340,187)
<EPS-BASIC>                                      (.26)                   (.48)
<EPS-DILUTED>                                    (.26)                   (.48)


</TABLE>