Transaction in Own Shares

JP Morgan Mid Cap Invest Trust PLC 
08 August 2007



                       LONDON STOCK EXCHANGE ANNOUNCEMENT


                     JPMORGAN MID CAP INVESTMENT TRUST PLC

                 REPURCHASE OF ORDINARY SHARES FOR CANCELLATION


JPMorgan Mid Cap Investment Trust plc has today purchased 700,000 ordinary
shares for cancellation at 654 pence per share.


Following the transaction the remaining shares in issue total 28,237,000.


8th August 2007


For further information, please contact:

Andrew Norman
JPMorgan Asset Management (UK) Limited, 020 7742 6000


Gavin Tooke
Dresdner Kleinwort - Stockbrokers to the Company
0207 623 8000






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