Website & Adviser Name Change

Rockhopper Exploration plc 15 August 2007 Press Release 15 August 2007 Rockhopper Exploration plc (the 'Company') AIM Rule 26 compliant website and change of adviser name The Company today announces that the information required by Rule 26 of the AIM Rules for Companies (February 2007) is available on the Company's website at www.rockhopperexploration.co.uk The Company also announces that, following its change of name from Teather & Greenwood Limited to Landsbanki Securities (UK) Limited with effect from 9 August 2007, the name of the Company's nominated adviser and broker has changed to Landsbanki Securities (UK) Limited. For further information, please contact: Rockhopper Exploration plc Sam Moody - Managing Director 01722 414 419 Landsbanki Securities (UK) Limited Tom Hulme - Corporate Finance 020 7426 9000 Aquila Financial Ltd Peter Reilly 020 7202 2601 Yvonne Fraser 020 7202 2609 Notes to editors www.rockhopperexploration.co.uk The Rockhopper Group started trading in February 2004 to invest in and carry out an offshore oil exploration programme to the north of the Falkland Islands. The Group, floated on AIM in August 2005, is currently the largest licence holder in the North Falkland Basin and has a 100 per cent. interest in four offshore production licences which cover approximately 5,800 sq. km. These licences have been granted by the Falkland Islands government. This information is provided by RNS The company news service from the London Stock Exchange
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