Silver Wheaton Completes Acquisition of Silverstone Resources

On May 21, 2009, Silver Wheaton Corp. completed its acquisition of Silverstone Resources Corp. by way of a statutory plan of arrangement under s. 288 of the Business Corporations Act (British Columbia). Under the plan of arrangement, up to 23,434,332 shares of Silver Wheaton will be issued to Silverstone shareholders in exchange for their Silverstone shares on the basis of 0.185 shares of Silver Wheaton for every Silverstone share held. As a result of completion of the acquisition, Silverstone has become a wholly owned subsidiary of Silver Wheaton. The value of the deal was $190 million.

Cassels Brock & Blackwell LLP acted for Silver Wheaton with a team that included Mark Bennett, Jennifer Traub and Jay King (securities and mining); Sean Maniaci (securities); Christopher Norton (tax); Chris Hersh (competition) and Bruce Bell and Alex Tarantino (financial services).

Silverstone was represented by Blake, Cassels & Graydon LLP in Vancouver with a team that included Bob Wooder, Sarah Pybus, and Warren Beil (securities and mining); Bill Maclagan and Kevin Zimka (tax); Jason Gudofsky (competition); David Zacks and Samantha Richer (financial services) and Sean Boyle (litigation).