DIOS Exploration Inc.
TSX VENTURE : DOS

DIOS Exploration Inc.

December 20, 2012 12:05 ET

Fall New Gold Results From DIOS AU33 WEST Trenching

MONTREAL, QUEBEC--(Marketwire - Dec. 20, 2012) - Dios Exploration Inc. (TSX VENTURE:DOS) reports to its shareholders preliminary results from channel diamond saw sampling from 2012 fall trenching on the AU33 WEST property, James Bay area, Quebec, optioned to Osisko Mining Corporation in 2011. Ten trenches were dug to test geochemical soil anomalies or to extend previous known showings. Best results were returned in T7 trench on the Heberto showing that assays 5.0 g/t gold over 5.25 m and 1.12 g/t gold over 4.5 m over a sheared tonalite (a kind of granite). Several anomalous results in the order of 0.5 to 1.1 g/t gold over sections of 0.75 to 2.25 m were obtained from the other trenches (g/t equals grams per ton). These trenches allowed a better exposure of mineralized outcrops and a better understanding of the vectors controlling the mineralization.

On these trenches, 515 channel-samples totalling 397.05 metres were diamond sawed and analyzed at Val D'Or ALS-Chemex laboratory. For quality control, 26 standards and 11 blanks were inserted among these samples.

During the 2012 summer, Osisko discovered five new gold showings in a felsic (tonalite-granodiorite) intrusive complex that assays between 1.77 and 17.3 g/t gold in grab-samples. Goldbearing mineralization appears as 1-5 percent pyrite in disseminations and fracture fillings associated with potassic alteration and/or silicification. It appears structurally controlled by zones of shearing and foliation along two main strikes (N160 and N080E). Following this new information concerning the nature and orientation of the mineralization, additional geophysical tests are considered to better define the extent of the showings under the overburden and to target next exploration work.

Osisko has the option to acquire a 51 percent undivided interest in the AU33 WEST property by incurring $5,000,000 in exploration and making cash payments of $700,000 during a five-year period. Osisko has the option to acquire an additional 9 percent interest for $9,000,000 of additional exploration expenditures during another five-year period and also has the option to acquire an additional 10 percent interest by funding a feasibility study pertaining to the WEST AU33 property. Osisko follows strict QA-QC protocol measures in keeping with industry standards and regulatory reporting requirements. All assays reported above were obtained by standard 50-g fire assay with AA or gravimetric finish (method Au-AA24) and a multi-element package applied to selected samples (method ME-ICP 41) at the ALS Chemex laboratories in Val-d'Or, QC.

This news release was prepared by M. J Girard, M.Sc. Geo and President of DIOS, the Qualified Person (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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