Silver Wheaton Announces Management Appointments

VANCOUVER, December 8 - Silver Wheaton Corp. (TSX, NYSE:SLW) ("Silver Wheaton" or the "Company")
is pleased to announce that Mr. Randy V.J. Smallwood, P.Eng. has been
appointed as the President of Silver Wheaton, effective January 1, 2010. Mr.
Peter Barnes will remain in the role of Chief Executive Officer, continuing
to have overall responsibility for the direction
of the Company. To further strengthen Silver Wheaton's team, Mr. Frazer
Bourchier, P.Eng. will join Silver Wheaton as Vice President, Business
Development and Technical Services, also effective January 1, 2010.
"Randy was a co-founder of Silver Wheaton in 2004 and has been
instrumental in helping build Silver Wheaton into the largest silver
streaming company in the world," said Peter Barnes, Chief Executive Officer
of Silver Wheaton. "His appointment as President is in recognition of his
significant contribution to our growth and his long term commitment to the
Company. In addition to his key role of continuing to identify high quality
growth opportunities, he will take on the added responsibility of helping to
increase awareness of the Silver Wheaton brand. I am as excited as ever about
the future prospects of our Company and look forward to continuing to work
with Randy and the rest of the Silver Wheaton team to maintain Silver Wheaton
as the market leader in our sector. I would also like to welcome Frazer
Bourchier who has been appointed as Vice President, Business Development and
Technical Services."

Randy Smallwood assumed the role of Executive Vice President, Corporate
Development of Silver Wheaton in 2007 and has been primarily focused on
growing the Company through the evaluation and acquisition of silver stream
opportunities. Prior to 2007, Mr. Smallwood was Director of Project
Development for both Silver Wheaton and Goldcorp/Wheaton River Minerals. In
this role he was responsible for project evaluations through a six-year period
of acquisitions and corporate mergers, ultimately helping to build Goldcorp
into one of the largest gold companies in the world. Before joining the
original Wheaton River group in 1993, Mr. Smallwood also worked with
Homestake Mining Company, Teck Corp. and Westmin Resources.

Frazer Bourchier brings over 20 years of high-level management
experience to his new role, most of which were spent with Placer Dome in
Canada, South Africa and Papua New Guinea. He is a qualified mining engineer
with Bachelor's and Master's degrees in Applied Science & Engineering from
the University of Toronto. Most recently, Mr. Bourchier was Vice-President
Operations and Business Development for Intrepid Mines.

About Silver Wheaton

Silver Wheaton is the largest silver streaming company in the world.
Forecast 2009 production is 16 million ounces of silver and 17,000 ounces of
gold, for total production of 17 million silver equivalent ounces. By 2013,
annual production is anticipated to more than double to approximately 39
million ounces of silver and 20,000 ounces of gold, for total production of
approximately 40 million silver equivalent ounces. This growth is driven by
the Company's portfolio of world-class assets, including silver streams on
Goldcorp's Penasquito mine and Barrick's Pascua-Lama project.

CAUTIONARY NOTE REGARDING FORWARD LOOKING-STATEMENTS

The information contained herein 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 statements 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: fluctuations in the
price of silver, the absence of control over mining operations from which
Silver Wheaton purchases silver and risks related to these mining operations,
including risks related to fluctuations in the price of the primary
commodities mined at such operations, changes in laws and regulations
including taxation policies, actual results of mining and exploration
activities, 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
available on SEDAR at www.sedar.com and in Silver Wheaton's Form 40-F on file
with the U.S. Securities and Exchange Commission in Washington, D.C.
Forward-looking statements are based on assumptions management believes to be
reasonable, including but not limited to: the continued operation of the
mining operations from which Silver Wheaton purchases silver, no material
adverse change in the market price of commodities, that the mining operations
will operate and the mining projects will be completed in accordance with
their public statements and achieve their stated production outcomes, and
such other assumptions and factors as may be set out herein. 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: Brad Kopp, Director, Investor Relations, Silver
Wheaton Corp., Tel: 1-800-380-8687, Email: info@silverwheaton.com, Website:
www.silverwheaton.com

For further information: Brad Kopp, Director, Investor Relations, Silver Wheaton Corp., Tel: 1-800-380-8687, Email: info at silverwheaton.com, Website: www.silverwheaton.com