TSX Venture Exchange - DIB

No. 44 – 2009

DIA BRAS DISCOVERS FURTHER SILVER VEIN EXTENSIONS AT DEPTH AND INITIATES EXPANDED DEVELOPMENT AT ITS CUSI SILVER PROJECT

Montréal, Québec – December 8, 2009 – Dia Bras Exploration Inc. (DIB:TSX-V) is pleased to announce that it has initiated further development of the San Antonio and Mexicana veins of the Santa Eduviges mine within its Cusi property with the objective of increasing shipment of silver-mineralized rock to its Malpaso mill, which is located only 35 km from the mine. Recent drill results at both the San Antonio and La Mexicana veins have delineated extensions of silver mineralization as well as intercepting previously unknown veins at depth (see table below). In addition, the company plans to restart the development of its Promontorio silver mine (also within its Cusi property) in early 2010 to expand silver production rates.

"We consider that the latest drill results at the San Antonio and Mexicana veins are further evidence of the exploration upside of these areas and provide support to our pilot mining plan for 2010. In addition, we are pleased with Cusi’s mining and processing tests during the month of November. The recent construction completion of the cyanidation vat leaching circuit enhances the economics of the Cusi project and its growth prospects" said Daniel Tellechea, President and CEO of Dia Bras.

Drill results from the San Antonio and Mexicana veins are shown in the table below:

Hole ID From (m) To (m) Core Length (m) Estimated True Width (m) Ag (g/t) Pb (%) Zn (%) Vein

DC09M083 42.80 44.05 1.25 1.00 461 0.40 0.20 S. Antonio

DC09M084 9.20 11.50 2.30 1.50 163 0.17 0.31 S. Antonio system

20.80 21.20 0.40 0.30 115 0.43 0.27 S. Antonio A

27.00 28.70 1.70 1.15 237 1.60 2.54 S. Antonio

DC09M087 27.00 30.00 3.00 2.30 903 2.94 5.80 S. Antonio

DC09M088 3.00 6.00 3.00 1.45 394 1.65 1.45 S. Marina

DC09B240 51.40 52.75 1.35

0.77

262 0.10 0.15 La Mexicana

DC09B242 50.70 51.20 0.50 0.40 476 0.16 0.13 La Mexicana

DC09B246 43.20 43.70 0.50 0.40 298 1.27 5.69 La Mexicana

DC09B248 50.30 51.45 1.15 0.90 312 1.09 2.03 La Mexicana

62.80 63.70 0.90 0.70 567 2.30 3.46 La Mexicana B

DC09B249 85.50 86.30 0.80 0.50 302 1.06 5.25 S. Antonio system

116.05 117.40 1.35 1.00 1188 5.00 3.51 S. Antonio A

123.90 125.90 2.00 1.30 227 0.50 1.13 S. Antonio

DC09B254 84.00 86.30 2.30 1.40 256 1.40 3.42 S. Antonio system

114.90 118.70 3.80 2.30 280 1.10 3.47 S. Antonio A

124.10 126.00 1.90

1.15

135 1.00 0.97 S. Antonio

199.00 199.75 0.75 0.60 747 17.70 6.88 S. Marina

Pilot Mining Update For Cusi

Mining in the San Antonio vein is currently being done from underground workings at the 1970 m level with shipments to Malpaso of 50-70 tons per day (tpd). Rock from this program is being processed as part of the mill optimization program that should result in increased silver recovery in preparation for processing of higher daily tonnages, based on the Company’s previous metallurgical studies.

A ramp is being driven to the 1940 m level in order to provide access to recently discovered, high grade silver mineralization found in drill holes below the current workings, as shown in the accompanying longitudinal section that can be accessed at

. The Company’s objective is to have six operating stopes within two months, which will result in shipments of 150-180 tpd by early March, 2010. In addition, development of the Mexicana vein will be done concurrently with development of the San Antonio vein.

In preparation for pilot mining, the Company has been optimizing the Malpaso circuit of the Malpaso mill in order to achieve maximum silver recovery. During November, the mill processed 1,214 tonnes at an average grade of 344 g/t Ag, 0.51% Pb and 1.17% Zn. Tuning of the mill has included varying reagent mixes and retention times in the flotation cells. Various options have been considered with the objective of determining how to produce the most economic silver concentrate. The most favorable option has been selected and has been implemented. During November, recovery of silver by only the flotation method averaged 62.8%.

The tailings from this work are being stored separately in order to be re-processed in the vat leach circuit, which has been commissioned and is in start-up mode.

Vat Leach Operating Update

Construction of vats and associated circuits for leaching of silver from flotation tailings was started on August 3 and was completed in mid-November. The decision to construct the vats was based on the results of metallurgical testing that demonstrated total silver recoveries of 80-85% can be achieved with a combination of flotation and leaching methods (see press release of June 10, 2009).

The first silver precipitate derived from the vat leaching process has been removed from the filters and will be smelted to produce the first silver doré bar this week.

Promontorio Mine Development Plan Update Dia Bras plans to expand silver production from the Cusi property in late 2010 by developing the Promontorio mine beginning in early 2010. When the Company’s new mill at the Bolivar site is commissioned, the Triunfo circuit of the Malpaso mill will become available to process rock from Promontorio. The objective is to have the Santa Eduviges and Promontorio mines developed such that the mines will produce 400-500 tpd during 2011, and to increase mine production in the following years.

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 visit

or contact:

Daniel Tellechea,

President & CEO

Dia Bras Exploration Inc.

(514) 393-8875 ext. 241 Karl J. Boltz

Vice President, Corporate Development

Dia Bras Exploration Inc.

1 (866) 493-9646

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