Holding(s) in Company

RCM Technology Trust PLC
02 October 2007


TR-1:               notification of major interests in shares


1. Identity of the issuer or the underlying issuer of existing           RCM Technology Trust PLC
shares to which voting rights are attached:
2. Reason for the notification (please tick the appropriate box or boxes):
An acquisition or disposal of voting rights                                                       x
An acquisition or disposal of financial instruments which may result in the acquisition of   
shares already issued to which voting rights are attached
An event changing the breakdown of voting rights                                             
Other: (Please specify):______________________________________                               
3. Full name of person(s) subject to the notification                      JPMorgan Chase & Co
obligation:
4. Full name of shareholder(s) (if different from 3.):            JPMorgan Asset Management (UK) Limited
5. Date of the transaction and date on which the threshold is                   28/09/2007
crossed or reached:
6. Date on which issuer notified:                                               01/10/2007
7. Threshold(s) that is/are crossed or reached:                                    11%
8. Notified details:







A: Voting rights attached to shares
Class/type of    Situation previous to Resulting situation after the triggering transaction
shares           the Triggering
                 transaction
if possible      Number of  Number of  Number of     Number of voting rights  % of voting rights
using the ISIN   Shares     Voting     shares
CODE                        Rights     Direct        Direct      Indirect     Direct       Indirect
GB0003390720     2,575,000 2,575,000   2,625,000                 2,625,000                  11.00%




B: Financial Instruments
Resulting situation after the triggering transaction
Type of financial    Expiration date Exercise/ Conversion      Number of voting rights    % of voting
instrument                           Period/ Date              that may be acquired if    rights
                                                               the instrument is
                                                               exercised/ converted.
      N/A


Total (A+B)
Number of voting rights                            % of voting rights
                      2,625,000                                     11.00%





9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively
held, if applicable:

Total disclosable holding for JPMorgan Chase & Co: 2,625,000 (11.00%)

Holdings by controlled undertakings of JPMorgan Chase & Co. are as follows:

JPMorgan Asset Management (UK) Limited: 2,625,000 (11.00%)


Proxy Voting:
10. Name of the proxy holder:                                                       N/A
11. Number of voting rights proxy holder will cease to hold:                        N/A
12. Date on which proxy holder will cease to hold voting rights:                    N/A


13. Additional information:                  Please note the group has other holdings which are covered by
                                             exemptions.
14. Contact name:                                                      Kirsten Salt
15. Contact telephone number:                                         020 7065 1513




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