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Sierra Metals Mexico
Sierra Metals Peru

2010

December 31, 2010
Dia Bras Reports Drilling Results From La Cascada Gold Target At Bolivar Property
December 29, 2010
Dia Bras Reports High-Grade Gold Samples From The La Verde Gold Prospect At Its Batopilas Property
December 21, 2010
Dia Bras Begins Development Of New High-Grade "La Narizona" Zinc-Copper Deposit At The Bolivar Property
December 17, 2010
Dia Bras Announces Appointment Of Chief Financial Officer
December 8, 2010
Dia Bras Announces Beginning Of Trading On Post Consolidation Basis
December 2, 2010
Dia Bras Announces Consolidation Of Outstanding Common Shares And Exercise Of Warrants
November 30, 2010
Dia Bras Releases Third Quarter 2010 Results
November 2, 2010
Dia Bras Doubles Capacity Planned For Its New Mill At The Bolivar Property And Provides Update On Construction Progress
October 26, 2010
Dia Bras Intercepts Wide Silver-Lead-Zinc-Copper Mineralization In First Diamond Drill Hole At Its Melchor Ocampo Property In Zacatecas State, Mexico
September 20, 2010
Dia Bras Renegotiates Reyna De Oro Option Agreement At Bolivar Property
September 9, 2010
Dia Bras Begins Drilling The Las Coloradas Polymetallic Target In Zacatecas
August 31, 2010
Dia Bras Begins Drilling The La Cascada Gold Target At Bolivar Project
August 30, 2010
Dia Bras Releases Second Quarter 2010 Results
August 25, 2010
Dia Bras Completes Major Geophysical Survey At Its Bolivar Property, Chihuahua
August 23, 2010
Dia Bras Development Drift Reaches El Gallo Deposit At The Bolivar Property
August 16, 2010
Dia Bras Announces Proposed Consolidation Of Outstanding Common Shares And Increase In Maximum Number Of Shares Reserved Under Stock Option Plan
August 4, 2010
Dia Bras Drills More High-Grade Silver At Cusi
July 19, 2010
Dia Bras Secures 33 Millon Peso Term Loan From Fomento Minero (FIFOMI)
July 15, 2010
Dia Bras Accelerates Advanced Development At CUSI
July 14, 2010
Dia Bras Reports Second Quarter 2010 Volumes
July 14, 2010
Dia Bras Reports Significant Copper-Zinc Mineralization Near Its New Mill Site
June 29, 2010
Dia Bras Announces Board Of Directors And Grant Of Options
June 3, 2010
Dia Bras Releases First Quarter 2010 Results
May 14, 2010
Dia Bras Completes Equity Rights Offering
May 11, 2010
Dia Bras Confirms High-Grade Mineralization At San Patricio Property
May 11, 2010
Dia Bras Announces First Quarter 2010 Interim Results
May 10, 2010
Dia Bras Confirms High Gold Grades At The Minerva Vein Of Its Cusi Property
May 6, 2010
Dia Bras Drills More High-Grade Copper-Zinc Mineralization At Bolivar
May 4, 2010
Dia Bras Plans Major Geophysical Surveys At Its Bolivar Property
May 4, 2010
Dia Bras Equity Rights Are Now Trading
May 3, 2010
Dia Bras Files 2009 Audited Financials AND MD&A
April 29, 2010
Dia Bras Continues Drilling High-Grade Silver Mineralitazion At Cusi
April 12, 2010
Dia Bras Warrants Exercised Bring $3.8 Million In Cash
April 7, 2010
Dia Bras Drills More High-Grade Silver Mineralization At Its Cusi Project
April 6, 2010
Dia Bras Reports More High-Grade Gold Samples At The La Cascada High-Sulfidation Gold Prospect At The Bolivar Property
April 1, 2010
Dia Bras Announces Rights Offering
March 23, 2010
Dia Bras Expands Gold Mineralization At The La Cascada High-Sulfidation Gold Prospect At The Bolivar Property
March 4, 2010
Dia Bras Drills More High-Grade Silver Mineralization At Cusi
March 2, 2010
Dia Bras Develops More High-Grade Rock At Bolivar
February 4, 2010
Dia Bras Drills More High-Grade Silver Mineralization At Its Cusi Project
February 3, 2010
Dia Bras Releases Fourth Quarter 2009 Results
January 25, 2010
Dia Bras Reports High Grade Gold At Surface On Its La Cascada Prospect Of The Bolivar Property
January 21, 2010
Dia Bras Initiates Regional Gold Exploration Programs On Six Projects Covering 164,618 Hectares