Result of Open Offer

Aminex PLC
28 June 2005

Aminex PLC
('Aminex' or the 'Company')

Result of Open Offer

On 3 June 2005, Aminex announced the terms of a Placing and Open Offer to issue
up to 75,773,433 New Ordinary Shares at 8.7 pence per share (the 'New Shares').

Of the New Shares, 50,800,000 shares were placed firm with institutional and
other investors (the 'Placed Shares') by Oriel Securities Limited ('Oriel') and
Davy Corporate Finance Limited ('Davy').

The Company announces today that valid acceptances have been received under the
Open Offer in respect of 6,138,359 of the New Shares, which combined with the
Firm Placed Shares represents 56,938,359 of the New Shares (representing a total
of 75.1 per cent of those available under the Placing and Open Offer).  In
addition, a further 50,000 of the balance of the New Shares will be subscribed
by further placees procured by Oriel and Davy.

Accordingly, the Company will issue a total of 56,988,359 New Shares and has,
subject to Admission expected on the 28 June 2005, raised approximately £5.0
million (€ 7.4 million) pursuant to the Placing and Open Offer.  Following
admission the total number of Ordinary Shares in issue is expected to be
156,882,094.

Words and expressions defined in the Company's prospectus dated and issued on 3
June 2005 have the same meaning when used in this announcement.

For Further Information:
Aminex PLC
([phone])
Brian Hall

Oriel Securities Limited
([phone])
Simon Bragg/Scott Richardson Brown

Davy Corporate Finance Limited
([phone])
Hugh McCutcheon/Fergal Meegan




                      This information is provided by RNS
            The company news service from the London Stock Exchange