Board Changes

Aminex PLC
01 August 2007


FOR IMMEDIATE RELEASE

1 August 2007


                     Aminex PLC ("Aminex" or "the Company")

                                 Board Changes

Aminex PLC, the oil and gas company listed in London and Dublin, announces today
that Derek Tughan is stepping down from the role of Chairman with immediate
effect due to pressing personal commitments.  Mr. Tughan will remain on the
Board as a Non-Executive Director of the Company.

For the time being Brian Hall will assume the role of Chairman.

Aminex also announces that Didier Murcia, an Executive Director of the Company,
has been appointed Chief Operating Officer of the Aminex group.  As part of his
duties Mr. Murcia will have responsibility for the company's operated
exploration programmes in the East African region which include drilling in
Tanzania and onshore seismic surveys in both Tanzania and Madagascar this year.

Other Executive Director positions remain unchanged:  Simon Butterfield is Group
Finance Director, Mike Rego is Exploration Director and Antonio Prado is
President of Aminex USA, Inc.

In addition to Mr. Tughan the Non-Executive Directors are David Hooker and
Andrew Hay.  Mr. Hooker is Senior Independent Director.

For further information:

Aminex PLC
Brian Hall                                            Tel: [phone]

Pelham Public Relations
Archie Berens                                         Tel: [phone]





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