Transaction in Own Shares

JPMorgan US Discovery IT PLC
28 December 2007




                       LONDON STOCK EXCHANGE ANNOUNCEMENT

                   JPMORGAN US DISCOVERY INVESTMENT TRUST PLC

                     REPURCHASE OF SHARES FOR CANCELLATION



JPMorgan US Discovery Investment Trust plc has today purchased 400,000 shares
for cancellation at 737.00 pence per share.

Following the transaction the remaining shares in issue total 8,416,480
including 541,000 held in treasury at a weighted average discount of 8.96%.


28th December 2007



For further information, please contact:

Lucy Dina
JPMorgan Asset Management (UK) Limited - Secretary
020 7742 6000

Paul Palmer
Cenkos Securities plc - Stockbrokers to the Company
0207 3971 915




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