ORBMINCO LIMITED — Capital/Financing Update 2007

Aug 1, 2007

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• 2 August 2007

ANNOUNCEMENT AND MEDIA RELEASE

31 JULY 2005 OPTIONS PROCEEDS RECEIVED

The Directors of Monaro Mining NL (“MRO”) are pleased to announce the closure of the Underwritten Options exercise.

Of the 4,170,196 options outstanding at the time the issue was underwritten a total of 3,963,934 options representing 95% have been exercised by existing option holders. The remaining 206,262 options not exercised are being placed with the Underwriters, Montagu Stockbrokers Pty Ltd.

The Underwritten Option issue will raise $5,004,235 (before costs of the issue).

The funds raised will place the Company in a strong financial position to continue its exploration programs in Australia and the Kyrgyz Republic, as well as to undertake new ventures when appropriate opportunities present.

The Directors would like to thank the Option holders and Underwriters for their support and extend a welcome to any new shareholders.

Further Information

For further information please contact Mart Rampe, Executive Director, on (02) 46479566 or Warwick Grigor, Chairman, on (02) 92470077.