DIA BRAS ANNOUNCES NEW DRILL INTERCEPTS AT BOLIVAR MINE 2.46% COPPER AND 25.28% ZINC

Montréal, Québec, - October 18, 2005 -

Dia Bras Exploration Inc. (DIB-V) (Dia Bras or the "Company") 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.

Drill hole
No.

Segment

From
(m)

To
(m)

Thickness
(m)

Au
g/t

Ag
g/t

Cu
%

Zn
%

DIA-145-05

A

33.60

36.00

2.40

0.050

148.94

1.33

8.13

B

40.00

46.50

6.50

0.309

27.62

0.45

3.40

C

51.00

70.00

19.00

0.04

12.78

0.74

7.82

Including

51.00

58.00

7.00

0.069

24.51

1.54

16.70

and

51.00

55.00

4.00

0.104

36.43

2.46

25.28


“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. André 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, Mexico. The Company will continue exploration and the active development of its two key projects – Bolivar and Promontorio – located in the Sierra Madre precious metal belt. The Company is traded on TSX Venture Exchange, under the symbol “DIB”.

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For further information contact:

Réjean Gosselin
President

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