MONTREAL, QUEBEC–(Marketwire – Dec. 30, 2008) – SIRIOS RESOURCES INC. (TSX VENTURE:SOI) announces the results of the 2008 summer diamond drilling program on the UPINOR uranium property in James Bay, Quebec. Eight hundred ninety three (893) samples from a cumulative core length of 897 meters assayed uranium grades up to 200 ppm (0.025% uranium oxide) on close to four-meter sections.

The twelve-hole helicopter-borne drilling program totalled 1,369 meters of NQ core and was completed on a 3 km-strike length of the A1 zone. An extensive radiometric anomaly characterizes this zone as well as numerous U3O8 grades in the rocks at surface ranging from 0,05% to 0,8% and more, that is over 2% oxide (ref.: 10/08/08, 09/18/08 and 06/05/08 press releases). The preliminary drilling program report dated December 23, just received by SIRIOS, do not confirm the continuity at depth of the significant uranium surface occurrences of the A1 zone. This is possibly caused by an erratic distribution of the uraninite mineral, easily located with the use of spectrometers on surface but rather difficult to intersect through a drill hole. However, there is no or almost no superficial enrichment which could have at least explain the surface high grade occurrences.

The half-core one-meter samples were collected and prepared by IOS Services Geoscientifiques Inc. of Saguenay, Quebec. They were assayed at the Saskatchewan Research Council laboratory with partial digestion(i). Industry-standard quality controls were applied, including blank, standard and duplicate inserts in the sample series. Furthermore, close to one hundred divergent samples from the same drill hole which returned higher uranium grade than the published ones from total digestion analysis(ii) were submitted for re-assaying in a second laboratory for double checking.

Results from the prospecting of others anomalies carried out in fall 2008 on UPINOR are pending. The UPINOR property is owned 50%-50% in partnership with Dios Exploration (TSX VENTURE:DOS).

(i)Trace elements analysis by inductively coupled plasma with atomic emission spectroscopy (ICP-AES) following Aqua Regia partial digestion.

(ii) Major and trace elements analysis by inductively coupled plasma with mass spectroscopy (ICP-MS) following multi-acid total leach.

This press release was prepared by Dominique Doucet, P. Eng., President of SIRIOS, Qualified Person.

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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