MONTREAL, QUEBEC–(Marketwire – Feb. 26, 2008) – SIRIOS RESOURCES INC. (TSX VENTURE:SOI) just received the first outcropping rock samples results from its UPINOR uranium property in the LaGuiche Basin, Quebec, Canada. Thirty-one basement rock samples taken last Fall on the A zone over a 2 km strike length and a 600 m width were assayed at the laboratories of the Saskatchewan Research Council and returned the following values, including high grade value up to 2.064% U3O8, 5 samples greater than 0.20% U3O8 (in a 200 m long area), 10 samples out of 31 greater than 0.10% U3O8, 9 samples between .05% and .097% U3O8, 5 samples between 0.02% and 0.05% U3O8. The whole assay table is available at the following address:

The A zone corresponds to an outcropping stratabound unit discovered last fall in the Laguiche sedimentary Basin. It is characterized by continuous high radioactive counts per seconds (cps) measured on the ground surface in the order of several thousands cps up to 36,000 cps over a 2 km strike length and a 600 m width. The A zone consists of several radioactive outcropping sub-horizontal felsic dykes (sills), one reaching some ten meters in thickness.

The significant A zone is a linear, lithological, east-west striking and correlates with a 5 km by 0.2-0.5 km large geophysical anomaly showing high U/Th ratios, up to 3 times the background ratio. A Rossing-type high tonnage low-grade uranium model is considered in association with numerous anatexis-granites within the LaGuiche paragneisses. Up to date the property hosts five first priority helicopter-borne spectrometric anomalous zones with good Uranium/Thorium ratios in association with structural features.

Major exploration targets will be field prospected such as the nose of the folded radioactive lithological unit, its extent on one flank from 2 km long observed in the field, now reaching 5 km on the spectrometric survey, and finally its whole southern flank.

The UPINOR uranium property totals over 500 claims located about 30 kilometers north of the Opinaca Nord uranium project and about 50 km south of the Trans-Taiga road, James Bay, Quebec. The UPINOR project is held by SIRIOS in a 50-50 partnership with DIOS EXPLORATION INC., and DIOS is the operator. SIRIOS holds approximately 4% of the share capital of DIOS.

Field work was completed by IOS Services Geoscientifiques Inc., Saguenay, Quebec

This press release was prepared by Dominique Doucet, P. Eng., President, Qualified Persons pursuant to National Instrument 43-101.

The TSX Venture has not reviewed and does not accept responsibility for the adequacy or accuracy of this release.


For more information:
Dominique Doucet, CEO
Phone: 514-510-7961

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