UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549
FORM 6-K
Report of Foreign Private Issuer
Pursuant to Rule 13a-16 or 15d-16 Under
the Securities Exchange Act of 1934
For the month of January, 2008
Cameco Corporation
(Commission file No. 1-14228)
2121-11th Street West
Saskatoon, Saskatchewan, Canada S7M 1J3
(Address of Principal Executive Offices)
Indicate by check mark whether the registrant files or will file annual reports under cover
Form 20-F or Form 40-F.
Indicate by check mark whether the registrant by furnishing the information contained in this Form
is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the
Securities Exchange Act of 1934.
If Yes is marked, indicate below the file number assigned to the registrant in connection with
Rule 12g3-2(b):
FORM 51-102F3
MATERIAL CHANGE REPORT
Item 1 Name and Address of Company
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Cameco Corporation (Cameco)
2121 11th Street West, Saskatoon, Saskatchewan S7M 1J3 |
Item 2 Date of Material Change
Item 3 News Release
The English version and the French translation version of the news release relating to this
material change were distributed and filed by CCN Mathews through their Canadian Timely Disclosure
Pack and U.S. Timely Disclosure Pack on January 2, 2008.
Item 4 Summary of Material Change
On January 2, 2008, Cameco announced that its Rabbit Lake operation has resumed normal mining
activities, well ahead of schedule, after sealing off the source of a water inflow.
Item 5 Full Description of Material Change
On January 2, 2008, Cameco announced that its Rabbit Lake operation has resumed normal mining
activities, well ahead of schedule, after sealing off the source of a water inflow.
In late November 2007, Camecos Rabbit Lake underground mine experienced increased water inflow and
mining was suspended. This development was disclosed by Cameco in a press release dated November
28, 2007 and a material change report dated December 6, 2007 and updated by Cameco in press
releases dated December 3 and December 19, 2007. Cameco constructed and poured four concrete
bulkheads in the first two weeks following the start of this event and has since been grout sealing
these bulkheads and the surrounding rock while waiting for the concrete to cure.
At the same time, the site crews attempted to locate the source of the water inflow and seal it
permanently. An old exploration drill hole was identified as the potential source early on and
Cameco used various techniques to locate and verify it. Site crews confirmed the source of the mine
water inflow by injecting a dye into the drill hole. Then they successfully plugged the hole by
installing an inflatable packer in the hole. Mining activities were then able to resume. Cameco
will install a permanent plug and grout a substantial length of the drill hole with cement to
replace the inflatable packer in the next couple of weeks.
Cameco is also currently carrying out a grout sealing procedure on all four bulkheads. Cameco
continues to complete the bulkhead installation, primarily as a precautionary measure, since
plugging of the exploration drill hole has effectively stopped the source of the increased water
inflow and will therefore be the main solution.
Cameco will provide the 2008 production estimate for Rabbit Lake when it issues its year end
financial results.
Statements contained in this material change report, which are not historical facts, are
forward-looking statements that involve risks, uncertainties and other factors that could cause
actual results to differ materially from those expressed or implied by such forward-looking
statements. Factors that could cause such differences, without limiting the generality of the
following, include unexpected geological or hydrological conditions; natural phenomena including
underground floods and cave-ins; and other operating risks.
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Although Cameco believes that the assumptions inherent in the forward-looking statements are
reasonable, undue reliance should not be placed on these statements, which only apply as of the
date of this report. Cameco disclaims any intention or obligation to update or revise any
forward-looking statement, whether as a result of new information, future events or otherwise.
Item 6 Reliance on subsection 7.1(2) or (3) of National Instrument 51-102.
Item 7 Omitted Information
Item 8 Executive Officer
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Gary M.S. Chad
Senior Vice-President, Governance, Law and Corporate Secretary
Cameco Corporation
(306) 956-6303 |
Item 9 Date of Report
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