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Dia Bras announces high-grade silver values at the Promontorio and Santa Edwiges mines of the Cusi Project

Montréal, Québec, - January 30, 2008 -

Dia Bras Exploration Inc. is pleased to report results from its ongoing exploration drilling program on the Cusi property, located in the State of Chihuahua, Mexico.

Promontorio Sector:
The silver-rich Promontorio sector continues to deliver high-grade silver intersections over economic widths and they are particularly encouraging. The best results from the last batch of drill assays of the year come from hole DC07B151 which intersected a number of high-grade veins.  The best interval averaged 528 g/t Ag, 0.1 g/t Au, 0.1% Cu, 0.2% Pb and 0.2% Zn over 15 metres core length.  This length does not represent the true width, since the drill hole was drilled directly along the dip of the veins, which vary in thickness from 10 to 25 cm. The estimated true width is 2.6 metres.  Also, this hole intersected Veta A, which averages 704 g/t Ag, 0.1 g/t Au, 0.2% Cu, 1.2% Pb and 1.0% Zn over 5.3 metres of core length (estimated true width of 3.7 metres). Click here to view the Promontorio longitudinal composite.  

Another important hole in this sector is DC07B132, results of which were partly released in December 2007.  The hole intersected a series of veins (see press release December 13, 2007).  The hole intersected 6 metres core length (estimated true width of 4.2 metres) of 141 g/t Ag, 0.19 g/t Au, 0.5% Pb and 0.4% Zn.

Mineralization at Promontorio is associated with fracture-filled, low-sulphidation veins with high precious-metals grades, typical of a high level epithermal system.  The most prominent vein in the sector is Veta A, and Dia Bras has reported high historical grades as well as the Company’s drill core data from this vein and from its intersections with crosscutting subsidiary veins (see press release June 7, 2007 ).

SANTA EDWIGES - SAN ANTONIO - SAN MARINA SECTOR
The best results in this sector are from hole DC07B139, drilled to test the downdip extension of the San Marina mineralized structure, which intersected 3.5 metres core length (true width of 2.5 metres)  of 0.4 g/t Au, 269 g/t Ag, 0.1% Cu, 3.7% Pb and 5.3% Zn.

DC07B143, drilled to test the Santa Edwiges structure, intersected 2.8 metres core length (true width of 2.0 metres) of 2.1 g/t Au, 187 g/t Ag, 1.1% Pb and 0.6% Zn.

The Santa Edwiges – San Antonio – San Marina sector consists of multiple fracture-filled quartz-carbonate veins containing high sulphide contents that are typical of the middle portion (Pb-Zn-Cu) of a zoned, low-sulphidation epithermal vein. This middle portion of the vein transitions upwards to the precious metal (Au, Ag) portion of the vein.

Click here to view the complete table of the recent drilling results from the Promontorio and Santa Edwiges.

2007 Drill Program
Since inception of the drilling program in the Cusi District in March 2007, more than 21,800 metres of diamond drilling have been completed to date, in addition to more than 10,000 metres drilled in 2006. Surface mapping (see press release of November 15, 2007) and surface diamond core drilling (see press release of September 13, 2007) have demonstrated the importance of the Promontorio and Santa Edwiges – San Antonio – San Marina sectors subsequent to a resource evaluation.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Metres per zone

Jan.

Feb.

Mar.

Apr.

May

June

July

Aug.

Sept.

Oct.

Nov.

Dec.

Total

St. Edwiges

0

0

0

9

19

0

0

0

129

695

351

494

1,697

Underground

0

0

0

9

19

0

0

0

129

695

351

494

1,697

Promontorio

0

0

0

329

499

967

460

1114

584

871

905

916

6,645

Santa Edwiges

179

0

281

401

0

1,640

290

438

849

1097

921

574

6,670

Santa Marina

0

0

0

1,056.5

1,423

0

0

588

0

0

6

0

3,073.5

San Nicolas

276.8

893

0

0

0

0

0

0

0

0

0

0

1,169.8

San Antonio

0

184

1547

0

0

0

0

0

0

0

0

0

1731

La Bamba

0

608

218

0

0

0

0

0

0

0

0

0

826

Total Surface

455.8

1,685

2,046

1,786,5

1,922

2,607

750

2,140

1,433

1,968

1,832

1,490

20,115.3

Grand total:

455.8

1,685

2,046

1,795.5

1,941

2,607

750

2,140

1,562

2,663

2,183

1,984

21,812.3



Method of analysis
Half split diamond drill core samples sent for analysis were prepared by ALS Chemex sample preparation laboratory in Chihuahua, Mexico, and assayed for Ag by AA on 50 g split sample at the ALS Chemex Vancouver laboratory.  Assays for Pb, Zn and Cu are done by Induction Coupled Plasma (ICP) at ALS Chemex, Vancouver.

Quality control
The quality assurance-quality control (QA-QC) of Dia Bras has been described in detail in Roscoe Postle Associates’ 43-101 report of December 2006 on Cusi.

The technical content of this news release has been approved by François Auclair, P. Geo. and Vice-President, Exploration of Dia Bras, a Qualified Person as defined in NI43-101.

About Dia Bras
Dia Bras is a Canadian exploration mining company focused on precious and base metals in the State of Chihuahua in northern Mexico. The Company is committed to developing and adding value to its assets – the Bolivar copper-zinc project and the Cusi silver mining camp. The Company trades on the TSX Venture Exchange under the symbol “DIB”.

For further information on Dia Bras contact:

Thomas L. Robyn
Executive Chairman
Dia Bras Exploration
(514) 393-8875
Daniel Tellechea
President & CEO
Dia Bras Exploration
(514) 393-8875


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 that 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.

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