Holding(s) in Company

JP Morgan Mid Cap Invest Trust PLC 
18 September 2006

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   Name of company

JPMORGAN MID CAP INVESTMENT TRUST PLC

2)   Name of shareholder having a major interest

BARCLAYS PLC

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


Bank of New York                                                          9,383
Barclays Noms Monument                                                  530,352
Barclays Trust Co                                                       278,813
Barclayshare Nominees Ltd                                             1,645,958
Chase Nominees Ltd                                                       31,718
Citibank                                                                 10,667
Gerrard Nominees Ltd                                                     16,295
Greig Middleton Nominees Ltd                                            158,760
HSBC                                                                        325
JPMorgan (BGI Custody)                                                  354,695
Mellon Bank                                                               3,012
Northern Trust                                                            8,894
R C Greig Nominees Ltd                                                  820,362
Bank of Ireland Nominees                                                 14,069
Zeban Nominees Ltd                                                       75,349


5)   Number of shares/amount of stock acquired

NOT NOTIFIED


6)   Percentage of issued class

NOT NOTIFIED

7)   Number of shares/amount of stock disposed

NOT APPLICABLE


8)   Percentage of issued class

NOT APPLICABLE

9)   Class of security

ORDINARY 25P SHARES

10)  Date of transaction

NOT DISCLOSED

11)  Date company informed

18TH SEPTEMBER 2006

12)  Total holding following this notification

3,958,652

13)  Total percentage holding of issued class following this notification

13.01%

14)  Any additional information

N/A

15)  Name of contact and telephone number for queries

CHRIS LEGG  020 7742 3477

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



ANDREW NORMAN



Date of notification: 18TH SEPTEMBER 2006






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