Exhibit 5.9
January 31, 2008
In connection with Silver Wheaton Corp.'s registration statement on Form F-10, and any amendments thereto filed under the United States Securities Act of 1933, as amended (the "Registration Statement"), I, Reynaldo Rivera, hereby consent to the use of my name in connection with references to my involvement in the preparation of resource and reserve estimates with respect to the Los Filos Project and my involvement in the preparation of technical reports entitled "Peñasquito Project Technical Report Concepción del Oro District, Zacatecas State, México" dated December 31, 2007 (the "Technical Information"), and to references to the Technical Information, or portions thereof, in the Registration Statement and to the inclusion and incorporation by reference of information derived from the Technical Information in the Registration Statement.
Yours truly,
| /s/ Reynaldo Rivera Reynaldo Rivera |
