Holding in Company

Aminex PLC
07 August 2007

STANDARD FORM TR-1 VOTING RIGHTS ATTACHED TO SHARES- ARTICLE 12(1) OF DIRECTIVE
 2004/109/EC FINANCIAL INSTRUMENTS - ARTICLE 11(3) OF THE COMMISSION DIRECTIVE
                                  2007/14/ECi

1. Identity of the issuer or the underlying issuer of existing shares to which
voting rights are attached ii:  Aminex Plc

2. Reason for the notification (please tick the appropriate box or boxes):

(X) an acquisition or disposal of voting rights

( ) an acquisition or disposal of financial instruments which may result in the
acquisition of shares already issued to which voting rights are attached

( ) an event changing the breakdown of voting rights

3. Full name of person(s) subject to the notification obligationiii: JPMorgan
Chase & Co

4. Full name of shareholder(s) (if different from 3.)iv: JPMorgan Asset
Management (UK) Limited

5. Date of the transaction and date on which the threshold is crossed or
reachedv: 2nd August 2007

6. Threshold(s) that is/are crossed or reached: 6%

7. Notified details:


A: Voting rights attached to shares


Class/type of     Situation previous to    Resulting situation after the triggering transaction
shares            the triggering
                  transaction
If possible use   Number of   Number of    Number of    Number of voting      Percentage of voting
ISIN code         shares      voting       shares       rights                rights
                              rights

                                                        Direct    Indirect    Direct    Indirect
IE0003073255      13,760,000  5.68         14,986,666   0         14,986,666  0         6.19


SUBTOTAL A (based on aggregate voting rights)



14,986,666



B: Financial Instruments


Resulting situation after the triggering transaction


Type of financial Expiration date     Exercise/           No. of voting rights Percentage of voting
instrument                            conversion period/  that may be acquired rights
                                      date                (if the instrument
                                                          exercised/converted)
Nil
SUBTOTAL B (in relation to all expiration dates)



Nil


Total (A+B)                   number of voting rights                        % of voting rights



14,986,666                    14,986,666                                     6.19%



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



Total disclosable holding for JPMorgan Chase & Co.: 14,986,666 (6.19%)



Holdings by controlled undertakings of JPMorgan Chase & Co. are as follows:



JPMorgan Asset Management (UK) Limited: 14,986,666 (6.19%)





9. In case of proxy voting: (name of the proxy holder) will cease to hold
(number) voting rights as of (date). N/A

10. Additional information: N/A

Done at (place) on (date).








This announcement has been issued through the Companies Announcement Service of

                           The Irish Stock Exchange.




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