TSX-V : DOS March 4, 2010

DIOS DISCOVERS HIGH Diamond POTENTIAL KIMBERLITE INDICATOR MINERAL TRAIN CORRIDOR ON NEW U33 Diamond & GOLD PROJECT

MONTREAL, QUEBEC, CANADA - Following very encouraging research results obtained by DIOS EXPLORATION, DIOS acquires the new wholly owned Diamond and gold U33 exploration project covering more than 500 square kilometers, located east-northeast (up-ice) of DIOS PONTAX Diamond project and northeast of the PONTAX lithium discovery. Two main target areas were defined by the 2009 DIOS systematic research work and till survey: the first is a well-structured 3 to 5 by 15 kilometer gold glacial dispersal train while the second area is a corridor consisting of two high potential Diamond window kimberlite indicator mineral trains.

Last summer, a large reconnaissance grass root heavy mineral till sampling program was commissioned by DIOS outside mining claims, up-ice of anomalous and favourable kimberlite indicator minerals showing high Diamond potential chemistry for the kimberlites they come from, including the prized G10 garnets, omphacite (eclogitic pyroxenes - very high Diamond potential), ilmenite, kosmoclor diopsides and fosterite olivines. It was completed by IOS Geoscientifiques Services under the supervison of DIOS' chief geologist H. Desbiens. A total of 136 samples were collected, of which 88 samples are part of the U33 project and 48 samples are part of the PONTAX project.

A gold target area was delineated on the U33 property as a well-structured, clear and strong 3-5 by 15 kilometer gold glacial dispersal train from which heavy mineral concentrates from glacial tills sampled yielded from 500 to 1,750 ppb gold (parts per billion). (1,000 ppb = 1 g/T). It is located down-ice of folded sections of the Anatacau-Pivert volcanics along which is also hosted the Eastmain Resources Clearwater gold deposit in the same region, but more to the east.

The second target area consists of two Diamond potential kimberlite indicator mineral trains forming a corridor that includes G11 garnet, Kosmochlor and Fosterites. The indicators are centered within a 7 x 7 kilometer area stopping just down-ice of a regional northwest striking diabase dyke (a large deep intra-continental structure belonging to the Mistassini diabase cluster and similar to the large structures associated with the Renard Diamond deposit). Numerous north-northwest, northwest and northsouth topograghic lineaments are visible in the area.

DIOS applied for some thousand claims (mining cells) within the 33C/01, 33C/08, and 33B/05 NTS topographic map sheets well before other parties started map claim acquisition following a lithium and associated rubidium discovery during the winter.

DIOS already began a major detailed low altitude 8,300 km-line airborne geophysical survey over this new project located in the Opinaca-Eastmain 1 area, some 300 kilometers northeast of the town of Matagami, James Bay, Quebec, in order to identify kimberlite targets for drilling.

Apart from this ongoing survey, an in-filling till (glacial sands left over by the retreating glaciers) sampling and prospecting program is planned for the beginning of next summer.

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Dios Exploration will have company representatives attending the PDAC trade show in Toronto on March 7th and 8th at Dios's booth number 3345.

This press release was prepared by Marie-Jose Girard, M.Sc., P.Geo, and a 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.

Contact :

Marie-Jose Girard, President & CEO
mjgirard@diosexplo.com
Tel. : (514) 510-7962 ou (514) 483-5149
Fax : (514) 510-7964