Holding(s) in Company

JPMorgan Asian Investment Tst PLC
15 March 2007


TR-1(i):               Notification of major interests in shares

1. Identity of the issuer or the underlying issuer of existing   JPMorgan  Asian Investment Trust PLC
shares to which voting rights are attached(ii):

2. Reason for the notification     (please tick the appropriate box or boxes)
An acquisition or disposal of voting rights                                                       X

3. Full name of person(s) subject to the notification obligation  City of London Investment Management
(iii):                                                                     Company Limited

4. Full name of shareholder(s) (if different from 3.)(iv):                       N/A

5. Date of the transaction (and date on which the threshold is            13th March, 2007
crossed or reached if different)(v):

6. Date on which issuer notified:                                         14th March, 2007

7. Threshold(s) that is/are crossed or reached:                                  5%

8. Notified details:



A: Voting rights attached to shares
Class/type of      Situation previous to  Resulting situation after the triggering transaction(vii)
shares             the Triggering
                   transaction (vi)       Notification required under DTR Transitional Provision 7
 if possible using Number of   Number of  Number of Number of voting rights   % of voting rights
the ISIN CODE      Shares      Voting     shares    ix
                               Rights
                               viii       Direct    Direct  x    Indirect xi  Direct       Indirect

 GB0001320778      8,061,113   4.99%                                8,161,113                5.05%



B: Financial Instruments
Resulting situation after the triggering transaction xii
Type of financial    Expiration date Exercise/ Conversion      Number of voting rights    % of voting
instrument           xiii            Period/ Date xiv          that may be acquired if    rights
                                                               the instrument is
                                                               exercised/ converted.



Total (A+B)
Number of voting rights                            % of voting rights
     8,161,113                                          5.05%




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

All Voting Rights on all Shares are controlled by City of London Investment Management Limited.


Proxy Voting:

10. Name of the proxy holder:                                           N/A

11. Number of voting rights proxy holder will cease to hold:            N/A

12. Date on which proxy holder will cease to hold voting rights:        N/A


13. Additional information:                  Held through City of London Investment Management Limited


14. Contact name:                            Clayton Gillece or [e-mail]


15. Contact telephone number:                0207 860 8332  or   001-610-380-0121

Annex Notification Of Major Interests In Shares xvi
A: Identity of the person or legal entity subject to the notification obligation

Full name (including legal form for legal entities)

Contact address (registered office for legal entities)

Phone number

Other useful information (at least legal representative
for legal persons)



B:        Identity of the notifier, if applicable xvii

Full name                                                  City of London Investment Management Company
                                                           Limited
Contact address                                            10 Eastcheap
                                                           London EC3M 1LX
                                                           UK
Phone number                                               0207 860 8332

Other useful information (e.g. functional relationship     [e-mail]
with the person or legal entity subject to the
notification obligation)                                   001-610-380-0121



C:        Additional information


Notes


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