RNS Number : 4318V Red Rock Resources plc 28 May 2008 RED ROCK RESOUNCES PLC Holding in Company Dated: 28 May 2008 TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES 1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: Red Rock Resources plc 2. Reason for the notification (please tick the appropriate box or boxes): An acquisition or disposal of voting rights: An acquisition or disposal of financial instruments which may result in - the acquisition of shares already issued to which voting rights are attached: An event changing the breakdown of voting rights: - Other (please specify): - 3. Full name of person(s) subject to the notification obligation: City Equities Ltd 4. Full name of shareholder(s) (if different from 3.): N.A 5. Date of the transaction (and date on which the threshold is crossed or reached if different): 23 May 2008 6. Date on which issuer notified: 27 May 2008 7. Threshold(s) that is/are crossed or reached: 3% 8. Notified details A. Voting rights attached to shares: Class/type of shares Situation previous to the Triggering Resulting situation after the triggering transaction if possible using transaction the ISIN CODE Number of Shares Number of Voting Number of shares Number of voting % of voting Rights viii rights ix rights Direct x Indirect xi Direct Indirect GB00B0CQLF79 12,000,000 8,980,000 8,980,000 Nil Nil 2.94% - B. Financial Instruments: Resulting situation after the triggering transaction: Type of Expiration Exercise/ Number of voting % of voting financial date Conversion rights that may be rights instrument Period/Date acquired if the instrument is exercised/ converted Total (A+B) Number of voting rights 8,980,000 9. Chain of controlled undertakings through which the voting rights and/ or the financial instruments are effectively held, if applicable: N/A Proxy Voting 10. Name of the proxy holder: n/a 11. Number of voting rights proxy n/a holder will cease to hold: 12. Date on which proxy holder n/a will cease to hold voting rights: 13. Additional information: Shares sold to certain of our private customers, with City Equities Limited acting as Principal. 14. Contact name: Jason Robertson 15. Contact telephone number: 020 7489 5555 Enquiries: Andrew Bell 0207 402 4580 Red Rock Resources Chairman or plc 07766 474849 John Simpson 020 7489 4500 Blomfield Corporate Nominated Adviser Finance Ltd Ron Marshman / John Greenhalgh 020 7628 5518 City of London PR Public Relations Limited Updates on the Company's activities are regularly posted on its website, www.rrrplc.com. This information is provided by RNS The company news service from the London Stock Exchange END HOLEALSPAEKPEFE