Fourth Quarter Net Earnings Quadruple to US$7.0 Million (US$0.04 per share)

February 13, 2006

FOURTH QUARTER HIGHLIGHTS

  • Net earnings of US$7.0 million (US$0.04 per share) for the three months from the sale of 2.2 million ounces of silver (four months ended December 31, 2004 - net earnings of US$1.8 million (US$0.02 per share) from the sale of 1.5 million ounces).
  • Operating cash flows of US$7.7 million (US$0.05 per share), compared to US$8.4 million (US$0.09 per share) in 2004.
  • Cash and cash equivalents at December 31, 2005 of US$117.7 million and working capital of US$118.7 million (December 31, 2004 - US$20.0 million and US$18.1 million, respectively).
  • In December, 2005, the Company raised gross proceeds of US$86 million by way of public offering.
  • The Company is debt free, unhedged and seeking further acquisitions.

During the year ended December 31, 2005, the Company generated net earnings of US$25.3 million (US$0.15 per share) from the sale of 9.7 million ounces of silver (four months ended December 31, 2004 - net earnings of US$1.8 million (US$0.02 per share) from the sale of 1.5 million ounces). Operating cash flows for 2005 were US$30.0 million (US$0.18 per share), compared to US$8.4 million (US$0.09 per share) for the four months ended December 31, 2004.

A conference call will be held Tuesday, February 14, 2006 at 11:00 am (ET) to discuss these results. You may join the call by dialing toll free 1-800-769-8320 or (416) 695-5259 for calls from outside of Canada and the US.

The conference call will be recorded and you can listen to a playback of the call after the event by dialing 1-888-509-0081 or (416) 695-5275. A live and archived audio webcast will be available on the website at www.silverwheaton.com.

Silver Wheaton is the only public mining company with 100% of its revenue from silver production. Silver Wheaton is unhedged and well positioned for further growth.

CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS

This news release contains "forward-looking statements" within the meaning of the United States Private Securities Litigation Reform Act of 1995 and applicable Canadian securities legislation. Forward-looking statements include, but are not limited to, statements with respect to the future price of silver, the estimation of mineral reserves and resources, the realization of mineral reserve estimates, the timing and amount of estimated future production, costs of production, reserve determination and reserve conversion rates. Generally, these forward-looking statements can be identified by the use of forward-looking terminology such as "plans", "expects" or "does not expect", "is expected", "budget", "scheduled", "estimates", "forecasts", "intends", "anticipates" or "does not anticipate", or "believes", or variations of such words and phrases or state that certain actions, events or results "may", "could", "would", "might" or "will be taken", "occur" or "be achieved". Forward-looking statements are subject to known and unknown risks, uncertainties and other factors that may cause the actual results, level of activity, performance or achievements of Silver Wheaton to be materially different from those expressed or implied by such forward-looking statements, including but not limited to: risks related to the integration of acquisitions, the absence of control over mining operations from which Silver Wheaton purchases silver and risks related to these mining operations, including risks related to international operations, actual results of current exploration activities, actual results of current reclamation activities, conclusions of economic evaluations, changes in project parameters as plans continue to be refined, as well as those factors discussed in the section entitled "Description of the Business - Risk Factors" in Silver Wheaton's annual information form for the year ended December 31, 2004 incorporated by reference into Silver Wheaton's Form 40-F on file with the U.S. Securities and Exchange Commission in Washington, D.C. Although Silver Wheaton has attempted to identify important factors that could cause actual results to differ materially from those contained in forward-looking statements, there may be other factors that cause results not to be as anticipated, estimated or intended. There can be no assurance that such statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements. Accordingly, readers should not place undue reliance on forward-looking statements. Silver Wheaton does not undertake to update any forward-looking statements that are incorporated by reference herein, except in accordance with applicable securities laws.

For further information, please contact:

David Awram
Investor Relations Manager
Silver Wheaton Corp.
Tel: 1-800-380-8687
Email: info@silverwheaton.com
Website: www.silverwheaton.com