DIOS EXPLORATION INC.
TSX VENTURE : DOS

DIOS EXPLORATION INC.

June 07, 2007 10:06 ET

DIOS Begins Field Work for Uranium Exploration on HOTISH

MONTREAL, QUEBEC, CANADA--(Marketwire - June 7, 2007) - DIOS EXPLORATION INC. (TSX VENTURE:DOS) initiated a first field campaign for uranium exploration on its large HOTISH property last week. The first targets of that field prospecting and radiometric campaign will be the three aligned clusters of lake bottom geochemical uranium anomalies, previously reported this spring.

DIOS also reports encouraging results from its spring research work regarding uranium exploration on its large HOTISH property, Otish mountains area, Quebec.

The HOTISH property comprises three main blocks, the HOTISH East block, directly adjacent to the Strateco Matoush property, where a major diamond drilling campaign is ongoing on the Matoush structure. The HOTISH main block, located directly west of a large CAMECO property, where the spring compilation work enhanced the three Uranerz lake bottom sediments uranium anomalies from research files and the southern Papaskwasati block, located at the northern end of the Papaskwasati sub-basin. The Papaskwasati sub-basin was once linked to the Otish sedimentary basin, forming the same basin. The HOTISH property encompasses the northern end of the Papaskwasati sub-basin (a continental environment with uranium potential, whereas the southern part of that basin is of a marine origin) all through the western shallow end of the Otish basin.

Research work done through government files also shows results from a radiometric survey completed by Uranerz in the mid-seventies at a very large spacing (2 km) and following an irregular pattern covering part of the DIOS' HOTISH main block. Several radiometric anomalies are reported on the DIOS' property in this helicopter borne low altitude survey. They will be prospected in the scope of the current field campaign, especially as some of these anomalies are located in spatial association with the geochemical uranium anomalies. The Papaskwasati claim block also covers part of the Hyppocampe greenstone belt, a possible chemical trap for uranium, also underlying the CAMECO property more to the East.

This press release was prepared by Marie-Jose Girard, M.Sc. Geo., Qualified Person under NI 43-101.

A map is available at the following address: http://www.ccnmatthews.com/docs/AirboneSurvey.pdf

The TSX Venture Exchange has not reviewed and does not, accept responsibility for the adequacy or accuracy of this release.

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