Holding(s) in Company

JPMorgan US Discovery IT PLC
12 September 2006

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   Name of company

JPMORGAN US DISCOVERY INVESTMENT TRUST PLC

2)   Name of shareholder having a major interest

JPMORGAN CHASE & CO.

3)   Please state whether notification indicates that it is in respect of
     holding of the shareholder named in 2 above or in respect of a
     non-beneficial interest or in the case of an individual holder if it is a
     holding of that person's spouse or children under the age of 18

AS ABOVE

4)   Name of the registered holder(s) and, if more than one holder, the
     number of shares held by each of them

JPMORGAN ASSET MANAGEMENT (UK) LIMITED - 1,075,940

J. P. MORGAN SECURITIES LTD - 250



5)   Number of shares/amount of stock acquired

N/A


6)   Percentage of issued class

N/A

7)   Number of shares/amount of stock disposed

JPMORGAN ASSET MANAGEMENT (UK) LIMITED - 90,000

8)   Percentage of issued class

0.89%

9)   Class of security

ORDINARY 25P SHARES

10)  Date of transaction


NOT DISCLOSED



11)  Date company informed


12TH SEPTEMBER 2006

12)  Total holding following this notification

1,076,190

13)  Total percentage holding of issued class following this notification

10.59%

14)  Any additional information

N/A

15)  Name of contact and telephone number for queries

VICTORIA STREATER  020 7742 5485

16)  Name of authorised company official responsible for
making this notification



LUCY SULLIVAN



Date of notification: 12TH SEPTEMBER 2006






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