Substantial Shareholder Notice

8 June 2007 SUBSTANTIAL SHAREHOLDER NOTICE Attached is a form 604 - Substantial Shareholder Notice as issued by Sentient Executive GP1, Limited following their placement in Monto Minerals Limited. Enquiries to: Geoffrey Moore Monto Minerals Ltd +61 (0)7 3034 3100 Richard Brown Ambrian Partners Limited 020 7776 6400 ---END OF MESSAGE---