Sirios Resources Inc.
TSX VENTURE : SOI

Sirios Resources Inc.

May 25, 2011 15:05 ET

Sirios Resources Inc.: Diamond Drilling on the High Grade Silver Pontax Property, James Bay, Quebec

MONTREAL, QUEBEC--(Marketwire - May 25, 2011) -SIRIOS RESOURCES INC. (TSX VENTURE:SOI) announces that a diamond drilling program will start next week on its high grade silver Pontax Property, James Bay, Quebec. More than ten targets will be tested for a total of 1,500 meters, most of them being located within a 3 km radius of the high grade discovery made by Sirios in 2006.

Since the initial discovery in 2006 on PONTAX, the price of the silver ounce increased fourfold and is now trading at around $38.

On PONTAX, the silver zone grades at surface reached up to 821 g/t Ag; 1.31 g/t Au over 4.36 meters including 3,343 g/t Ag; 5.4 g/t Au; 2.3 % Pb and 0.6 % Zn over 1.04 m.) and 115 g/t Ag; 0.70 g/t Au over 7.6 meters and up to 216 g/t Ag; 0.23 g/t Au over 4.5 meters (including 846 g/t Ag; 0.75 g/t Au over 1.00 m.) included in seven drill holes intersecting the mineralized zone over more than 100 meters on strike and at depth (refer to 09/24/2007; 11/15/2006 Press Releases).

The drilling targets are well described in an interpretation report from independent consulting geologist Réjean Girard of the firm IOS Services Géoscientifiques Inc., Chicoutimi, Quebec, which shows the relationship between the soil sampling and the induced polarization surveys. These targets or anomalies consist of geochemical multi-element disturbances in soil (humus) located above sulfides bearing geological units.

A few additional drilling targets are also contemplated in the north-eastern part of the property following the delineation, in summer 2010, of a 5 km2 potential area where grab samples graded up to 26.1 g/t in gold and 87.0 g/t in silver (refer to 09/13/2010 Press Release).

The PONTAX property is located in James Bay, Quebec, some 350 km north of the town of Matagami.

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

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

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