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April 4, 2012                                                   
                                                                                     Tsx-v: DOS

DIOS UPDATES ITS NEW 14 KARATS GOLD PROJECT

MONTREAL, QUEBEC, CANADA - DIOS Exploration team is pleased to update its new 14 Karats gold-diamond project, Upper Eastmain area, James Bay, Quebec. It is located 35-55 km east of the Stornoway Renard diamond deposit, and 50-75 km NE of the Eastmain gold mine  (accessible by a 160 km winter-road from Temiscamie).

In 2011, new regional glacial till (54 samples) sampling yielded 642 ppb Au, 583 ppb Au, 151 ppb Au, 120 ppb Au, 131 ppb Au, 115 ppb Au (parts per billion gold - in  heavy mineral concentrates). These anomalous gold results adds up to re-assays of former 2006 diamond tills that returned 1660 ppb Au, 123 ppb Au, 534 ppb Au and 2330 ppb Au and are located within a few km down-ice the interpreted extent of the Archean Upper Eastmain volcano-sedimentary belt.
  
The geological environment suggests a potential for worldclass Eleonore-type gold mineralization at the same southern geological contact. The 14 KARATS project covers a 40 km under-explored strike of this interpreted Upper Eastmain volcano-sedimentary belt and is effectively located near the metamorphic facies contact between the Lagrande and Opinaca Subprovinces, at the transition between Greenschist and Amphibolite metamorphic gradients. DIOS 2011 geological reconnaissance program outlined a pluri-kilometric sequence of metasediments (conglomerate, biotite grauwacke & silicate iron-formation), metabasalts, dacites, ultramafics and gabbroic-dioritic sills within a Greenschist-grade metamorphic domain (LaGrande) adjacent to the LaGuiche migmatitic orthogneiss and paragneiss. Disseminated sulfides (1-15% arsenopyrite-pyrite-pyrrhotite) mineralization was observed within the silicified metasediments and metavolcanics. Limited sampling yielded 0.45 g/t Au from a metasedimentary glacial float. Federal magnetic data shows interesting weak magnetic lineaments with some flexure/folding pattern (change of direction) of the LaGrande- Opinaca contact.

The 14 Karats gold-diamond project is composed of 498 CDC (map-staked mining cells) for 260 square kilometers and is wholly owned by DIOSDIOS 2012 follow-ups on 14 KARATS will include systematic mapping-prospecting and additional till sampling by  IOS Services Geoscientifiques, which is still processing the 2011 tills for diamond indicator minerals at its Saguenay heavy mineral laboratory.  This press release was prepared by H. Desbiens, V.P., 43-101 QP.

  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.
For more information, please contact:
Marie-Jose Girard, M.Sc. Geo, President
mjgirard@diosexplo.com
Tel. :  (514) 923-9123
Fax : (514) 510-7964
www.diosexplo.com