EX-99.8 9 exhibit99-8.htm EXHIBIT 99.8 Silver Wheaton Corp. - Exhibit 99.8 - Filed by newsfilecorp.com

Exhibit 99.8

March 27, 2012


United States Securities and Exchange Commission


In connection with Silver Wheaton Corp.’s (the ‘Company’) Annual Report on Form 40-F for the year ended December 31, 2011 (the ‘Annual Report’), I, Velasquez Spring, P.Eng., Senior Geologist of Watts, Griffis and McOuat Limited, hereby consent to the inclusion in, or incorporation by reference into, the Annual Report and the Company’s Registration Statements on Form S-8 (File No. 333-128128) and Form F-10 (File No. 333-167567), of the following:


Resource and reserve estimates of the San Dimas Mines; and


Technical report dated March 14, 2011, entitled “Technical Report on the Tayoltita, Santa Rita and San Antonio Mines, Durango Mexico for Silver Wheaton Corp.”

Yours truly,

/s/ Velasquez Spring                                   

Velasquez Spring, P.Eng
Senior Geologist,
Watts, Griffis and McOuat Limited