May 31, 2006 13:19 ET

DIOS Mobilizes Field Crew on Chibouki in the Chibougamau Area, Southern James Bay Region of Quebec

MONTREAL, CANADA--(CCNMatthews - May 31, 2006) - DIOS EXPLORATION INC. (TSX VENTURE:DOS) starts its 2006 summer work program on its CHIBOUKI project in the southern James Bay region of Quebec. A geophysical crew is mobilized for a detailed tight-spacing low altitude airborne geophysical survey to complete previous data available.

Exploration activities on CHIBOUKI will also consist of prospecting and till sampling as well as diamond drilling of known targets scheduled in the coming field season. The goal of the current geophysical work is to refine other targets for further drilling.

Kimberlite indicator minerals found on the CHIBOUKI PROJECT of DIOS returned encouraging microprobe data results this winter (Jan. 20, 2006 press release). They confirmed some distinct well defined glacial dispersal trains, further enhanced by glacial geology studies completed recently.

The CHIBOUKI property has very good access and is located in the southern end portion of the Mistissini-Lemoyne Structure hosting several kimberlites and alkaline intrusives several hundreds of kilometers further north, including the Ashton-Soquem Renards diamondiferous cluster. The CHIBOUKI area previously studied by DIOS has been systematically screened for kimberlite indicator minerals and the focus is now on the actual mining claims.

DIOS has 14,766,968 shares issued and has a good financial situation. DIOS, a leader in diamond exploration in Quebec, has some 3,000 sq. kilometres of mining rights.

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

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