For immediate release: 4 November 2009

                                            Sirius Exploration PLC

                                          ("Sirius" or the "Company")

                 Issue of Equity in connection with increasing stake in AusPotash Corporation

Further  to  the announcement made on 29 September 2009, Sirius (AIM: SXX, OTC: SRUXY) announces  that  it  has
today  completed the purchase of a further 105,595 common shares of AusPotash (the "Transaction"), representing
0.18%  per  cent of the issued and outstanding common shares of AusPotash at a price of CAD$0.40 per  AusPotash
share  purchased. As a result of the Transaction Sirius now has an interest in 63.68% of AusPotash. Sirius  has
issued 211,190 new Ordinary Shares at a price of 11.25p per share in consideration for the Transaction. Further
to  the Transaction and the announcement of 29 September 2009, 19,135,996 common shares of AusPotash remain  to
be purchased by Sirius and the Company will notify the market when these are completed in due course.

Accordingly,  211,190 new Ordinary Shares of 0.25p per share ("Ordinary Shares") have been issued and  allotted
and trading in such shares is expected to commence on 10 November 2009.

Following  the issue of the new Ordinary Shares as set out above, the total number of shares in issue  will  be
606,941,340.

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Contacts:

Richard Poulden

Chairman, Sirius Exploration Plc.                      Tel: +61 406 647 976
richard.poulden@siriusexploration.com

Beaumont Cornish

Roland Cornish                                         Tel:  +44 (0)20 7628 3396

Gth media relations

Toby Hall                                              Tel: +44 (0)20 7153 8039
Christian Pickel                                       Tel: +44 (0)20 7153 8036

Website: www.siriusexploration.com

Sirius Exploration