Notification of Interest

Glencar Mining PLC 17 September 2004 Glencar Mining Plc ('Glencar' or 'the Company') Notification of Interest In compliance with 4.12 of the Rules of the Exploration Securities Market of the Irish Stock Exchange, Glencar advises that it received notification yesterday, 16 September, 2004, that Vantage Derivatives Limited is interested in 6,000,000 Ordinary Shares in Glencar. Based on the issued share capital of the Company of 173,404,467 Ordinary Shares, this holding represents 3.46%. 17 September, 2004 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