Material Change Report
Name and Address of Company
MAG Silver Corp.
Suite 770 - 800 West Pender Street
V6C 2V6 Canada
Date of Material Change
August 4, 2010
MAG Silver Corp. (the “ Company ”) issued a news release dated August 4, 2010 (the “ News Release
”) relating to the material change. The News Release was distributed through Marketwire and filed with
the applicable securities regulatory authorities.
Summary of Material Change
On August 4, 2010, the Company announced a first mineral resource estimate for the Pozo Seco
molybdenum (moly)-gold discovery on its 100% owned Cinco de Mayo (or “Cinco”) property in northern
Chihuahua State, Mexico. Results confirm that Pozo Seco is a significant high grade molybdenum and gold
deposit. MAG also provided the diamond drill results for 13 holes (Holes CM10-241 to CM10-266) drilled
on the Pozo Seco property all of which are included in the resource estimate.
Full Description of Material Change
For a full description of the material change, please see “Schedule A” below. The press release may also
be viewed on SEDAR at www.sedar.com .
Reliance on subsection 7.1(2) or (3) of National Instrument 51-102
No information has been omitted on the basis that it is confidential information.
The following executive officer of the Company is knowledgeable about the material change and may be
contacted regarding the change:
President and Chief Executive Officer
Telephone: (604) 630-1399
Facsimile: (604) 681-0894
Date of Report
August 4, 2010.
August 4, 2010