DIOS EXPLORATION INC.
TSX VENTURE : DOS

DIOS EXPLORATION INC.

February 25, 2009 11:36 ET

Dios B-1 Zone Sample up to 0.85% U308 at Hotish

MONTREAL, QUEBEC, CANADA--(Marketwire - Feb. 25, 2009) - DIOS EXPLORATION (TSX VENTURE:DOS) is happy to announce its summer exploration results on its wholly-owned Hotish uranium project in the Otish Basin, Quebec, Canada.

Last summer, a reconnaissance program investigated seven selected geophysical targets on the extensive property. One of these first-priority geophysical targets is the east-west oriented B-1 zone with a total of forty-four grab-samples which were collected from the vicinities of the radioactive anomaly. Twenty-three samples are located on a hill, from which six (26%) graded more than 0.05% U3O8; including values of 0.50%; 0.052; 0.076; 0.13%; 0.21% and 0,22% U3O8. The B-1 zone is characterized by U/Th ratios of 2.0 times the background and extending a minimum of 3.0 km by 0.5-1.0 km. In the adjacent valley, an area of 100 m by 150 m returned seven assays greater than 0,3% U3O8 from nine samples from boulders, including 0.338%; 0.356%; 0.398%; 0.581%; 0.69%; 0.79%; 0.854% U3O8. Field readings (radiation solution RS-120) varying from 1,000 cps to 10, 000 cps (counts per seconds) characterize the B-1 zone. The highest assays and counts are associated with magnetite-molybdenite-uranophane-smoky quartz bearing biotite-rich granite. . The B1 anomaly is located directly over a strong magnetic high associated with a pegmatitic intrusive enclosing east-west striking migmatitic gneisses. The anomaly is located directly up-ice of a northeast-southwest uranium lake sediment anomaly (values from 49 to 93 ppm U INAA) probably associated with a glacial dispersion (boulders) train. The B-1 zone is perfectly lined-up (9 km due west) with the A-1 spectrometric zone (a 3 km by 1,0-1,5 km anomaly) associated with Uranerz first-priority TICH-1 and TICH-2 uranium lake sediment anomalies. The TICH-1 anomaly was confirmed by DIOS own lake sediment survey that returned up to 1020 ppm U. The A-1 radiometric zone is characterized by U/Th of 2.1 times the background. Its is also associated with an east-west striking migmatitic gneiss unit within the pegmatitic intrusive

Elsewhere, in the Lady Di Target area, fourteen blocks were sampled and four graded: 0,024%; 0.080%; 0.115% and 0.201% U3O8. One sample from the A-3 target returned 0.081% U3O8, and two other ones from the A-4 target assayed 0.047% and 0.048% U3O8.

The alignment of the Tich 4, 2 and 1 uranium sediment anomalies indicated a possible structural feature confirmed by the discovery of the B1, B2 and A 1 spectrometric helicopter borne anomalies aligned along a several kilometre strike length and confirmed by significant uranium values in outcrops and boulders on the B1 zone.

The samples were collected and prepared by IOS Geoscientifiques Inc of Saguenay, Qc. They were assayed at the Saskatchewan Research Council.

This press release was prepared by M.-J. Girard, M.Sc. P.Geo., a qualified person pursuant to National Instrument 43-101.

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