Silver Wheaton Corp.

Silver Wheaton Corp.

April 18, 2007 19:44 ET

Silver Wheaton to Release First Quarter Results on April 26, 2007

VANCOUVER, BRITISH COLUMBIA--(CCNMatthews - April 18, 2007) - Silver Wheaton Corp. (TSX:SLW)(NYSE:SLW) will release 2007 first quarter results on Thursday, April 26, 2007 before market open.

A conference call will be held Thursday, April 26, 2007 at 11:00 am (Eastern Time) to discuss these results. To participate in the live call use one of the following methods:

Dial toll free from Canada or the US: 1-800-905-0392

Dial from outside Canada or the US: 1-785-830-1913

Pass code: 1147207

Live audio webcast:

Participants should dial in five to ten minutes before the call.

The conference call will be recorded and you can listen to an archive of the call by one of the following methods:

Dial toll free from Canada or the US: 1-888-203-1112

Dial from outside Canada or the US: 1-719-457-0820

Pass code: 1147207

Archived audio webcast:

Silver Wheaton will hold the Annual and Special Meeting of Shareholders in the Main Dining Room at the St. Andrew's Club & Conference Centre, 150 King Street West, Toronto, Ontario on Thursday, April 26, 2007 at 4:00 p.m. (Eastern Time).

Silver Wheaton is the only public mining company with 100% of its operating revenue from silver production. The Company expects to have annual silver sales of approximately 15 million ounces in 2007, increasing to 22 million ounces by 2009 and over 26 million ounces by 2012. 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 expected future silver sales by Silver Wheaton and the amount of estimated future production. 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, 2006 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.

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