Initiation of Edison Investment Analyst Coverage

Details Company Name: Sirius Exploration Plc Ticker: SXX Date Posted: Monday, 15th February 2010 Price: 4.81 (as of Friday, 12th February 2010)

The Directors of Sirius (AIM: SXX, OTC: SRUXY), the mining and exploration company focused on salt and potash deposits in North America and Australia, are pleased to inform shareholders that Edison Investment Research Limited ("Edison") will now be generating quarterly independent research reports on the Company. The first report is expected to be published in March 2010.

Edison is Europe's leading independent investment research company, generating and distributing research to a global audience including investment banks, institutional investors as well as professional investors and relevant members of the investment community.

Richard Poulden, Chairman and CEO of Sirius, commented:

"We are pleased that Edison has agreed to undertake regular coverage of the Company. It will provide investors with an additional perspective on valuations and forecasts for the Company which will complement those notes generated by our Broker, Daniel Stewart."

Future Edison reports on the Company will be available for viewing at www.edisoninvestmentresearch.co.uk and on the Company's website, www.siriusexploration.com.