Holding(s) in Company

JPMorgan American IT PLC
29 October 2007


TR-1:               Notification of major interests in shares


1. Identity of the issuer or the underlying issuer of existing      JPMorgan American Investment Trust Plc
shares to which voting rights are attached:

2. Reason for notification (yes/no)
An acquisition or disposal of voting rights                                            Yes

3. Full name of person(s) subject to the notification              Legal & General Group Plc (L&G)
obligation:

4. Full name of shareholder(s) (if different from 3.):           Legal & General Assurance (Pensions
                                                                      Management) Limited (PMC)

5. Date of the transaction (and date on which the threshold is             17 October 2007
crossed or reached if different):

6. Date on which issuer notified:                                          26 October 2007

7. Threshold(s) that is/are crossed or reached:                           From 3% - 4% (L&G)

8. Notified details:

A: Voting rights attached to shares
Class/type   Situation previous to the Resulting situation after the triggering transaction
of shares    Triggering transaction

if possible Number of    Number of    Number of    Number of voting rights   % of voting rights
using the    Shares       Voting       shares
ISIN CODE                 Rights
                                       Direct       Direct       Indirect     Direct        Indirect

ORD 25P      1,536,940    1,536,940    1,775,590    1,775,590                 4.14

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.

Total (A+B)
Number of voting rights                              % of voting rights
                     1,775,590                                                4.14

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

        Legal & General Group Plc (Direct and Indirect) (Group)
        Legal & General Investment Management (Holdings) Limited
        (LGIMH) (Direct and Indirect)
        Legal & General Investment Management Limited (Indirect)
        (LGIM)
        Legal & General Group Plc (Direct) (L&G) (1,775,590 - 4.14% = LGAS, LGPL & PMC)
        Legal & General Investment Management           Legal & General Insurance Holdings Limited
        (Holdings) Limited (Direct) (LGIMHD)            (Direct) (LGIH)
        (1,574,885- 3.67 % = PMC)
        Legal & General Assurance (Pensions Management) Legal & General Assurance Society Limited
        Limited  (PMC) (1,574,885- 3.67 % = PMC)        (LGAS & LGPL)
                                                        Legal & General Pensions Limited (Direct)
                                                        (LGPL)
        Proxy Voting:
        10. Name of the proxy holder:                                             N/A
        11. Number of voting rights proxy holder will cease to                    N/A
        hold:
        12. Date on which proxy holder will cease to hold voting                  N/A
        rights:
        13. Additional information:             Notification using the total voting rights figure of
                                                                     42,870,949

                                               Please note this notification has been delayed due to
                                                the large number of disclosures required following a
                                                substantial amount of new business which has come to
                                                      us in the form of an in-specie transfer.
        14. Contact name:                                        Helen Lewis (LGIM)

        15. Contact telephone number:                              020 3124 3851




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