AMENDED AND RESTATED SHAREHOLDER RIGHTS PLAN AGREEMENT Dated as of August 3, 2007 Amended and Restated March 24, 2009 Between MAG SILVER CORP. and COMPUTERSHARE INVESTOR SERVICES INC. as Rights AgentShareholder Rights Plan Agreement • March 26th, 2009 • Mag Silver Corp • Gold and silver ores • British Columbia
a corporation existing under the laws of Canada and authorized to carry on the business of a trust company in each of the provinces and territories of Canada (the "Rights Agent").
