Statement re Irrevocable Undertaking

AIM Release 12 June 2008 Minerva Resources plc (AIM:MVA) ("Minerva Resources" or "the Company") Irrevocable undertaking to vote in favour of the resolutions at the Warrantholders Meeting Minerva Resources is pleased to announce that it has now received an irrevocable commitment from El Oro Limited1 to vote in favour of the resolutions at the Company's upcoming Warrantholders Meeting in respect of 700,000 warrants (approximately 1.76 per cent of the total number of warrants in issue). Following this, the Company now has irrevocable undertakings from warrantholders representing approximately 58.1 per cent. of the total number of warrants in issue to vote in favour of the resolutions at the Warrantholders Meeting. 1El Oro and Exploration Company Limited, a subsidiary of El Oro Ltd, has an interest in 2,000,000 ordinary shares in the Company. HSBC Marking Name Nominee (UK) Limited holds the warrants and shares as nominee on behalf of El Oro Limited and El Oro and Exploration Company Limited. For further information please contact: Terry Ward Minerva Resources plc Tel: +44 (0)20 73795012 E-mail: terry.ward@minervaresources.com James Joyce W. H. Ireland Tel: +44 (0)20 7220 1666 E-mail: james.joyce@wh-ireland.co.uk Nick Rome Bishopsgate Communications Tel : +44 (0)20 75623350 E-mail: nick@bishopsgatecommunications.com ---END OF MESSAGE--- This announcement was originally distributed by Hugin. The issuer is solely responsible for the content of this announcement.