Increased Holding in Jupiter

Red Rock Resources plc
22 April 2008



                             RED ROCK RESOURCES PLC
                   Increased Holding in Jupiter Mines Limited



Dated: 22 April 2008


Red Rock Resources plc ('Red Rock' or the 'Company') the mineral exploration and
development company focused on advancing iron ore, uranium and manganese
projects in Australia and East Africa, announces that it has acquired an
additional 551,000 ordinary shares in Jupiter Mines Limited ('Jupiter') at a
cost of AUD 115,243.24 and now holds 11,347,178 ordinary shares in Jupiter
amounting to 8.01% of the outstanding share capital of Jupiter.

The Company also holds 3,500,000 options exercisable into Jupiter ordinary
shares at 20c per Jupiter ordinary share at any time up to 20th May 2008.




Enquiries:

Andrew Bell            0207 402 4580      Red Rock Resources plc   Chairman
                       or
                       07766 474849

John Simpson           020 7512 0191      Blomfield Corporate      Nominated 
                                          Finance Ltd              Adviser

Ron Marshman / John    020 7628 5518      City of London PR        Public 
Greenhalgh                                Limited                  Relations


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