Great Western Mining Corporation plc
LSE : GWMO

April 26, 2011 04:22 ET

Exploration Update

26 April 2011

                                                     
                                                     
                                   Great Western Mining Corporation PLC
                                                     
                                            Exploration Update
                                                     


Great Western Mining Corporation PLC (the "Company" or "GWM") announces the summary results of aeromagnetic
and ASTER satellite interpretations recently completed on its Marietta exploration property in Mineral
County, Nevada, USA.

Existing high-quality USGS (United States Geological Survey) public domain aeromagnetic data, over and
surrounding the GWM property, were interpreted by Chris S. Ludwig, Geophysical Consultant.  ASTER satellite
imagery were procured over the same general area, and interpreted by Ming-Ho Du of Image2Map Services, Inc.
ASTER (Advanced Spaceborne Thermal Emission Reflectance Radiometer) satellite imagery is an advanced
imaging system developed through a joint effort of NASA Jet Propulsion Laboratory and the Japanese
government.

The ASTER and magnetic interpretations identified several zones of interest within and near the GWM
property - some of which are seen to correlate with each other. These zones include areas of ASTER
alteration that may be indicative of significant mineralization, as well as magnetic responses that may
relate to magnetite-bearing skarn.  The Directors believe that a number these targets could represent high
quality areas of mineralization.

As an example, one potential target area is a magnetic high nearly 2,400 metres long and about 700 metres
wide, with a source interpreted as being buried roughly 100 metres deep, completely within the existing GWM
claims.  Recent grab samples obtained in the vicinity of this target show high copper oxide values in
skarn, further supporting the Director's interest in these new findings.


Emmett O'Connell, Chairman, GWM, Commented:

"These encouraging results which cover the total extent of our claim, provide important validation of our
belief in the quantity of high value minerals within our claim. This is important as we start to commit the
funds recently raised to a core hole drilling programme and the expansion of our property"

26 April 2011

Enquiries:

GWM                                                    
Emmett O'Connell, Chairman                             +353 51 56584
Melvyn Quiller, Chief Executive                        0771 289 9588
PLUS Corporate Adviser                                 
SVS Securities Plc                                     0207 638 5600
Alexander Brearley
Broker                                                 
Libertas Capital                                       0207 569 9678
Neil Pidgeon, Head of Broking
Financial PR                                           
Hansard Communications                                 0207 245 1100
Nicholas Nelson/Guy McDougall                          nnelson@hansardcomms.com


THE DIRECTORS OF THE COMPANY ACCEPT RESPONSIBILTY FOR THE CONTENTS OF THIS ANNOUNCEMENT.


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