Form 51-102F3
Material Change Report
Item 1 Name and Address of Company
MAG SILVER CORP. (the “Issuer”)
328 – 550 Burrard Street
Vancouver BC, V6C 2B5
Telephone: (604) 630-1399 Facsimile: (604) 484-4710
Item 2 Date of Material Change
June 18, 2008
Item 3 News Release
The Issuer issued a news release at Vancouver, British Columbia on 18 June 2008 through Marketwire.
Item 4 Summary of Material Change
Vancouver, B.C…MAG Silver Corp. (MAG: TSX; MVG: AMEX) (“MAG” or “the Company”) announces a resource estimate from the Juanicipio Joint Venture located in Zacatecas State, Mexico. The operator of the Joint Venture, Fresnillo plc (“Fresnillo”), has informed and provided MAG with a resource estimate for the Valdecañas Vein as presented below. MAG and Fresnillo operate the project at Juanicipio through their joint venture company, Minera Juanicipio S.A. DE C.V. (“M. Juanicipio”). MAG holds a 44% interest in the Juanicipio Joint Venture. The total inferred resource estimate is 237.8 million ounces of silver of which MAG’s 44% interest equates to 104.5 million ounces and Fresnillo’s 56% interest equates to 133.2 million ounces. In addition to the silver, the resource estimate also contains inferred resources of 480,000 ounces of gold and almost 1 billion pounds of combined lead and zinc (457,700 tonnes).
Item 5.1 Full Description of Material Change
Please see the Issuer’s news release dated 18 June 2008 (NR#08-12) for a full description of the material change.
Item 5.2 Disclosure for Restructuring Transactions
Not applicable.
Item 6 Reliance on subsection 7.1(2) or (3) of National Instrument 51-102
Not applicable.
Item 7 Omitted Information
Not applicable.
Item 8 Executive Officer
For further information, contact Dan MacInnis, President and CEO of the Issuer, at (604) 630-1399.
Item 9 Date of Report
Dated 18 June 2008