EVOLUTION MINING LIMITED — Regulatory Filings 2007

Jun 4, 2007

WESTONIA MINES LIMITED

5 June 2007

ASX RELEASE

AUDIO BROADCAST - MARKET UPDATE

Westonia Mines Limited wishes to inform the market of an audio broadcast with Mr David Hatch, Managing Director who will be discussing the latest Market Update.

The presentation is available at www.boardroomradio.com, or at the following URL: http://www.brr.com.au/event/WEZ/1170/23957/wmp/sqw2v27y5o

For further information contact:

David Hatch Managing Director

(08) 9321 3088

Z:WEZ\ASX\Announcements\2007\Audio Broadcast 5.6.07.doc