Notifiable Interest

Aminex PLC 12 April 2007 AMINEX PLC Notifiable Interest Aminex PLC ("the Company") announces that it was notified yesterday 11 April 2007 that Schroder Investment Management Limited has an interest in 8,409,133 Ordinary Shares of €0.06 each which represents 4.98% of the issued share capital of the Company. The shares are held in portfolios managed on a discretionary basis for clients under investment management agreements and are registered or to be registered in the name of Chase Nominees Limited. Enquiries: Aminex PLC Max Williams 020 7291 3100 Company Secretary This announcement has been issued through the Companies Announcement Service of The Irish Stock Exchange. This information is provided by RNS The company news service from the London Stock Exchange