Dia Bras Exploration Inc.
TSX VENTURE : DIB

Dia Bras Exploration Inc.

October 18, 2005 09:00 ET

Dia Bras Announces New Drill Intercepts at Bolivar Mine 36.43 G/T Silver, 2.46% Copper and 25.28% Zinc

MONTREAL, QUEBEC--(CCNMatthews - Oct. 18, 2005) - Dia Bras Exploration (TSX VENTURE:DIB) is pleased to announce additional results of its ongoing drilling program at the Bolivar Cu-Zn project.

Drill Hole DIA-145 is one of several holes drilled in advance of the Company's production stopes to expand the mineralized zone in the immediate mining area. Results from holes DIA-139, DIA-141, & DIA-143 were announced previously. Each of the four (4) holes has penetrated massive sulfide mineralization.

Hole DIA-145 cut 7 metres of 24.51 g/t silver, 1.54% copper and 16.70% zinc including 4 metres averaging 36.43 g/t silver, 2.46% copper and 25.28% zinc within a much longer interval of mineralized skarn, as shown in the table below. This interval is five meters in front of and 25 meters above a current working stope.



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Drill hole From To Thickness Au Ag Cu Zn
No. Segment (m) (m) (m) g/t g/t % %
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DIA-145-05 A 33.60 36.00 2.40 0.050 148.94 1.33 8.13
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B 40.00 46.50 6.50 0.309 27.62 0.45 3.40
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C 51.00 70.00 19.00 0.04 12.78 0.74 7.82
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Including 51.00 58.00 7.00 0.069 24.51 1.54 16.70
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and 51.00 55.00 4.00 0.104 36.43 2.46 25.28
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"The drill results we just received on Hole DIA-145 and the previously released results on DIA-139, 141 and 143 have confirmed our expectations of a large skarn system rich in copper and zinc. Our NI43-101 report on the Bolivar project to quantify the resource should be available within a few weeks and will be filed on Sedar." said Rejean Gosselin, the Company's President.

Mr. Andre St-Michel, engineer and Executive Vice-President of Dia Bras, is the qualified person within the meaning of NI43-101. Drill samples were assayed by ALS Chemex Labs Ltd.

About Dia Bras

Dia Bras is a Canadian mining exploration Company focused on precious and base metals in the State of Chihuahua, northern Mexico. The Company continues exploration and the active development of its two key projects - Bolivar and Promontorio - in the world-renowned Sierra Madre mineral belt. The Company trades on the TSX Venture Exchange, under the symbol "DIB".

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

Forward-looking statements: Except for statements of historical fact, all statements in this news release, without limitation, regarding new projects, acquisitions, future plans and objectives are forward-looking statements which involve risks and uncertainties. There can be no assurance that such statements will prove to be accurate; actual results and future events could differ materially from those anticipated in such statements.

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Contact Information

  • Dia Bras Exploration Inc.
    Rejean Gosselin
    President
    (514) 866-6001 ext. 241
    rgosselin@diabras.com
    or
    CHF Investor Relations
    Linda Armstrong
    Vice President
    (416) 868-1079, Ext 229
    linda@chfir.com