(SXX.L) Sirius Exploration PLC Buy/Sell

For immediate release: 4 November 2009

SIRIUS EXPLORATION Plc

("Sirius Exploration" or "the Company")

Sirius Exploration announces that it was informed on 31 October 2009 that as that date Knighthead Capital Management, L.L.C., as Investment Manager to Knighthead Master Fund, L.P. no longer holds a notifiable interest in the issued share capital of the Company.

ENDS

For further information, please contact:
Sirius Exploration Plc Tel: +44 78 7988 7755

Jonathan Harrison

Sirius Exploration Plc Tel: +971 556 232 671

Richard Poulden

Beaumont Cornish Limited Tel: 0207 628 3396

Roland Cornish Gth media relations
Toby Hall Tel: +44 (0)20 7153 8039
Christian Pickel Tel: +44 (0)20 7153 8036

Sirius Exploration

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.

For immediate release: 4 November 2009

SIRIUS EXPLORATION Plc

Total Voting Rights

For the purposes of the Disclosure and Transparency Rules of the Financial Services Authority, the Board of Sirius Exploration Plc (the "Company") is required to notify the market of the following:

As at the date of this announcement, the Company's issued share capital consists of 606,730,150 ordinary shares with a nominal value of 0.25 p each, with voting rights ("Ordinary Shares"). The Company does not hold any Ordinary Shares in Treasury.

Therefore the total number of Ordinary Shares in the Company with voting rights is 606,730,150.

The above figure of 606,730,150 Ordinary Shares may be used by shareholders in the Company as the denominator for the calculation by which they will determine if they are required to notify their interest in, or a change to their interest in, the share capital of the Company under the Financial Service Authority's Disclosure and Transparency Rules.

ENDS

For further information, please contact:

Sirius Exploration Plc
Richard Poulden (Chairman) Mobile: +971 556 232 672

Richard.poulden@siriusexploration.com

Jonathan Harrison (Financial Director) Mobile: + 44 78 7988 7755

Jonathan.harrison@siriusexploration.com

Beaumont Cornish Limited
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

Sirius Exploration

LONDON, Oct 30 (Reuters) - Sirius Exploration Plc: