Holding(s) in Company

Keydata AIM VCT
                  

                 TR-1: NOTIFICATION OF MAJOR INTERESTS IN SHARES

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1. Identity of the issuer or the underlying issuer of existing          KEYDATA AIM VCT PLC
 shares to which voting rights are attached:
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2. Reason for the notification (please tick the appropriate box or boxes):
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An acquisition or disposal of voting rights
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An acquisition or disposal of financial instruments which may result in the
 acquisition of shares already issued to which voting rights are attached
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An event changing the breakdown of voting rights
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Other: Notification under Transparency Directive                                         x
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3. Full name of person(s) subject to the notification obligation:     Hargreave Hale Limited
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4. Full name of shareholder(s) (if different from 3.):
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5. Date of the transaction and date on which the threshold is
 crossed or reached:
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6. Date on which issuer notified:                                          21 March 2007
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7. Threshold(s) that is/are crossed or reached:                                 7 %
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8. Notified details:
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A: Voting rights attached to shares
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Class/type of sharesSituation previous to Resulting situation after the triggering transaction
if possible using    the Triggering
 the ISIN CODE       transaction
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                    Number of    Number ofNumber of shares  Number of voting rights    % of voting rights
                 1.  Shares       Voting  -----------------------------------------------------------------
                 1.           1.  Rights  Direct  Indirect  Direct       Indirect      Direct   Indirect
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Ordinary shares      1,175,000     8.20%    N/A      N/A         N/A          N/A         N/A       N/A
GB00B02WHS05
'C' shares           1,272,228     7.09%    N/A      N/A         N/A          N/A         N/A       N/A
GB00B0LSPY12
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B: Financial Instruments
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Resulting situation after the triggering transaction
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Type of financial    Expiration   Exercise/ Conversion      Number of voting rights% of voting rights
 instrument           date         Period/ Date              that may be acquired
                                                             if the instrument is
                                                             exercised/ converted.
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        N/A              N/A                 N/A                     N/A                     N/A
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Total (A+B)
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Number of voting rights                            % of voting rights
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                    2,446,228                                               7.58%
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9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are
 effectively held, if applicable:
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These shares are held on behalf of discretionary clients, through Hargreave Hale Nominees Limited.
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Proxy Voting:
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10. Name of the proxy holder:                                                     N/A
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11. Number of voting rights proxy holder will cease to hold:                      N/A
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12. Date on which proxy holder will cease to hold voting
 rights:                                                                          N/A
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13. Additional information:                              Notification of Major Shareholding:
                                            This disclosure is in accordance with the requirements of the
                                                            transitional provisions of DTR5
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14. Contact name:                          David Clueit
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15. Contact telephone number:              01253 754739
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ANNEX TO NOTIFICATION OF MAJOR INTERESTS IN SHARES

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 A: Identity of the person or legal entity subject to the notification obligation
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Full name (including legal form for legal entities)       Hargreave Hale Limited
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Contact address (registered office for legal entities)    Marsden House
                                                          4-10 Springfield Road
                                                          Blackpool FY1 1QW
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Phone number                                              01253 754739
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Other useful information (at least legal representative
 for legal persons)                                       N/A
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