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<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>As
filed with the Securities and Exchange Commission on December 7, 2006.</B>
</DIV>


<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><B>Registration No.&nbsp;333-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</B>
</DIV>


<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 1pt solid black; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="font-size: 14pt; margin-top: 12pt"><B>SECURITIES AND EXCHANGE COMMISSION</B>
</DIV>

<DIV align="center" style="font-size: 12pt"><B>WASHINGTON, D.C. 20549</B>
</DIV>

<DIV align="center" style="font-size: 12pt"><B><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></B>
</DIV>

<DIV align="center" style="font-size: 18pt; margin-top: 12pt"><B>FORM S-8</B>
</DIV>


<DIV align="center" style="font-size: 12pt; margin-top: 0pt"><B>REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV>
</DIV>

<DIV align="center" style="font-size: 24pt; margin-top: 12pt"><B>Cameco Corporation</B>
</DIV>

<DIV align="center" style="font-size: 10pt">(Exact name of registrant as specified in its charter )</DIV>


<DIV align="center">
<TABLE style="font-size: 12pt" cellspacing="0" border="0" cellpadding="0" width="100%">
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<TR valign="bottom">
    <TD width="45%">&nbsp;</TD>
    <TD width="10%">&nbsp;</TD>
    <TD width="45%">&nbsp;</TD>
</TR>
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<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px"><B>Canada</B></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>Not Applicable</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px; font-size: 10pt">(State or other jurisdiction of<BR>
incorporation or organization)
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px; font-size: 10pt">(I.R.S. Employer Identification No.)</DIV></TD>
</TR>
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</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV>
</DIV>

<DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B>2121 &#150; 11th Street West<BR>
Saskatoon, Saskatchewan<BR>
Canada S7M 1J3</B>
</DIV>

<DIV align="center" style="font-size: 10pt">(Address of principal executive offices)</DIV>


<DIV align="center" style="font-size: 10pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>



<DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B>Amended and Restated Stock Option Plan</B>
</DIV>

<DIV align="center" style="font-size: 10pt">(Full title of the plan)</DIV>


<DIV align="center" style="font-size: 10pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>



<DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B>Fletcher Newton<BR>
Power Resources, Inc.<BR>
141 Union Boulevard, Suite&nbsp;330<BR>
Lakewood, Colorado 80228<BR>
(720)&nbsp;917-0112</B>
</DIV>

<DIV align="center" style="font-size: 10pt">(Name, address and
telephone number,<BR>
including area code, of agent for service)</DIV>


<DIV align="center" style="font-size: 10pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>Copy to:<BR>
Gary M.S. Chad, Esq.<BR>
Corporate Secretary<BR>
Cameco Corporation<BR>
2121 &#150; 11th Street West,<BR>
Saskatoon, Saskatchewan<BR>
Canada S7M 1J3<BR>
(306)&nbsp;956-6303</B></DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt">CALCULATION OF REGISTRATION FEE
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="44%">&nbsp;</TD>

    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="13%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>

    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>

    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>

    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD colspan="17" align="left" style="border-top: 3px double #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2">Proposed Maximum</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2">Proposed Maximum</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2">Amount of</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center">Title of securities to</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2">Amount to</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2">Offering Price</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2">Aggregate</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2">Registration</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">be registered</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2" style="border-bottom: 1px solid #000000">be Registered (1)</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2" style="border-bottom: 1px solid #000000">per Share(2)</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2" style="border-bottom: 1px solid #000000">Offering Price(2)</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2" style="border-bottom: 1px solid #000000">Fee</TD>
    <TD>&nbsp;</TD>
</TR>
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<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Common Shares</DIV></TD>
    <TD>&nbsp;</TD>
    <TD colspan="3" align="center">2,500,000 shares</TD>
    <TD>&nbsp;</TD>
    <TD align="center" colspan="2">$39.06</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" colspan="2">$97,650,000</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" colspan="2">$10,479</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD colspan="17" align="left" style="border-top: 3px double #000000">&nbsp;</TD>
</TR>
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</TABLE>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 3pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96"></TD>
</TR>

<TR valign="top">
    <TD nowrap align="left">(1)</TD>
    <TD>&nbsp;</TD>
    <TD>Plus such indeterminate number of Common Shares of the Registrant as may be issued to prevent
dilution resulting from stock dividends, stock splits or similar transactions in accordance
with Rule&nbsp;416 under the Securities Act of 1933.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(2)</TD>
    <TD>&nbsp;</TD>
    <TD>Estimated solely for purposes of calculating the registration fee in accordance with Rule&nbsp;457
under the Securities Act based upon the average of the reported high and low sales price of
the Common Shares of Cameco Corporation on December&nbsp;5, 2006 on the New York
Stock Exchange (a date within five business days of the filing of this Registration
Statement).</TD>
</TR>
</TABLE>
</DIV>

<DIV style="width: 100%; border-bottom: 1pt solid black; margin-top: 10pt; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>

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<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>EXPLANATORY NOTE</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This Registration Statement on Form&nbsp;S-8 is being filed to register 2,500,000 additional Common
Shares of Cameco Corporation (the &#147;Company&#148;) which have been reserved for issuance under the
Company&#146;s Amended and Restated Stock Option Plan, as amended by the Board of Directors on February
23, 2006 (the &#147;Plan&#148;). The Common Shares originally reserved under the Plan were previously
registered on Registration Statements on Form&nbsp;S-8 (Nos. 333-11736 and 333-6180).
</DIV>


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<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>PART I</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 6pt"><B>INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The documents containing the information specified in Part&nbsp;I of Form S-8 are not required to
be filed with the SEC either as part of this registration statement or as prospectuses or
prospectus supplements pursuant to the Note to Part&nbsp;I of Form S-8 and Rule&nbsp;424 under the Securities
Act of 1933. The information required in the Section 10(a) prospectus is included in documents
being maintained and delivered by Cameco Corporation as required by Part&nbsp;I of Form S-8 and by Rule
428 under the Securities Act of 1933.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>PART II</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 6pt"><B>INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;3.&nbsp;&nbsp;&nbsp;Incorporation of Documents by Reference.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The following documents which have been and will in the future be filed by us with the SEC are
incorporated in the Registration Statement by reference:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;&nbsp;&nbsp;Our Annual Report on Form 40-F for the fiscal year ended December&nbsp;31, 2005, which contains
our audited financial statements for such fiscal year.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;&nbsp;&nbsp;All other reports filed by our company under Section 13(a) or 15(d) of the Securities
Exchange Act of 1934 (the &#147;Exchange Act&#148;) since December&nbsp;31, 2005.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;&nbsp;&nbsp;The description of our Common Shares set forth under the caption &#147;Description of Share
Capital&#148; in the Prospectus contained in our Registration Statement on Form F-10 (File No.&nbsp;333-1648)
incorporated by reference in our Registration Statement on Form 8-A (File No.&nbsp;1-14228), including
any amendment or report filed for the purpose of amending such description.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In addition, all reports and documents filed by us under Section&nbsp;13(a), 13(c), 14 or 15(d) of
the Exchange Act after the date of this Registration Statement and prior to the filing of a
post-effective amendment which indicates that all securities being offered have been sold or which
deregisters all securities then remaining unsold, shall be deemed to be incorporated by reference
in and to be part of this Registration Statement from the date of filing of each such document,
provided that reports on Form 6-K shall be so deemed incorporated by reference only if and to the
extent indicated in such reports.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;4.&nbsp;&nbsp;&nbsp;Description of Securities.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not applicable.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;5. Interests of Named Experts and Counsel.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not applicable.
</DIV>

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<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;6.&nbsp;&nbsp;&nbsp;Indemnification of Directors and Officers.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Under the Canada Business Corporations Act, the Registrant may indemnify a present or former
director or officer or a person who acts or acted at the Registrant&#146;s request as a director or
officer, or an individual acting in a similar capacity, of another entity, against all costs,
charges and expenses, including an amount paid to settle an action or satisfy a judgment,
reasonably incurred by him or her in respect of any civil, criminal, administrative, investigative
or other proceeding in which he or she is involved because of that association with the Registrant
or other entity and provided that the individual acted honestly and in good faith with a view to
the best interests of the Registrant or as the case may be, to the best interests of the other
entity for which the individual acted as director or officer or in a similar capacity at the
Registrant&#146;s request, and, in the case of a criminal or administrative action or proceeding that is
enforced by a monetary penalty, such individual had reasonable grounds for believing that his or
her conduct was lawful. Such indemnification may be made in connection with an action by or on
behalf of the Registrant or such other entity to procure a judgment in its favor only with court
approval. An individual referred to above is entitled to indemnification from the Registrant as a
matter of right in respect of all costs, charges and expenses reasonably incurred by him or her in
connection with the defense of any civil, criminal, administrative, investigative or other
proceeding to which he or she is subject because of such person&#146;s association with the Registrant
or other entity as described above if he or she was not judged by the court or other competent
authority to have committed any fault or omitted to do anything that the individual ought to have
done and fulfilled the conditions set forth above.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The By-laws of the Registrant provide that the Registrant shall indemnify a director or
officer, a former director or officer, or a person who acts or acted at the Registrant&#146;s request as
a director or officer or an individual acting in a similar capacity of another entity to the
fullest extent permitted by the Canada Business Corporations Act or otherwise by law.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Registrant has also entered into contracts with each of its current officers and directors
to indemnify each of them against all costs, charges and expenses, including any amount paid to
settle an action or satisfy a judgment, incurred in respect of any civil, criminal or
administrative action or proceeding by reason of being or having been a director or an officer and
employee of the Registrant, or by reason of being or having been, at the request of the Registrant,
a director or officer, or both, of a body corporate in which the Registrant, directly or
indirectly, is a shareholder, in each case to the extent permitted by applicable law and subject to
the further conditions described below. Such contractual indemnity is only available if the person
claiming the indemnity acted honestly and in good faith with a view to the best interests of the
Registrant, in the case of a criminal or administrative action or proceeding that is enforced by
monetary penalty, the person claiming the indemnity had reasonable grounds for believing that the
conduct in question was lawful and in respect of an action by or on behalf of the Registrant to
procure a judgment in its favor, to which the person claiming the indemnity is made a party by
reason of being or having been a director or officer of the Registrant or any of its direct or
indirect subsidiaries, if a court of competent jurisdiction gives its approval to the Registrant to
provide the indemnity, if such approval is required by law.
</DIV>


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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Registrant has purchased insurance for the benefit of all directors and officers against
liability incurred by them in their capacity as a director or officer of the Registrant or its
subsidiaries in an amount of Cdn $150,000,000. The policy contains a number of exclusions and
limitations to the coverage provided, as a result of which, the Registrant may, under certain
circumstances, be obligated to indemnify its directors or officers for certain claims that do not
fall within the coverage under the policy.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Insofar as indemnification for liabilities arising under the Securities Act of 1933 may be
permitted to directors, officers or persons controlling the Registrant pursuant to the foregoing
provisions, or otherwise, the Registrant has been advised that in the opinion of the Securities and
Exchange Commission such indemnification is against public policy as expressed in the Act and is
therefore unenforceable. In the event that a claim for indemnification against such liabilities
(other than the payment by the Registrant of expenses incurred or paid by a director, officer or
controlling person of the Registrant in the successful defense of any action, suit or proceeding)
is asserted by such director, officer or controlling person in connection with the securities being
registered, the Registrant will, unless in the opinion of its counsel the matter has been settled
by controlling precedent, submit to a court of appropriate jurisdiction the question whether such
indemnification by it is against public policy as expressed in the Act and will be governed by the
final adjudication of such issue.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;7.&nbsp;&nbsp;&nbsp;Exemption from Registration Claimed.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not applicable.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;8.&nbsp;&nbsp;&nbsp;Exhibits.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A list of exhibits included as part of this Registration Statement is set forth in the Exhibit
Index to this Registration Statement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;9.&nbsp;&nbsp;&nbsp;Undertakings.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The undersigned Registrant hereby undertakes, except as otherwise specifically provided in the
rules of the Securities and Exchange Commission promulgated under the Securities Act of 1933:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1)&nbsp;&nbsp;&nbsp;To file, during any period in which offers or sales are being made, a post-effective
amendment to this Registration Statement:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)&nbsp;&nbsp;&nbsp;To include any prospectus required by section 10(a)(3) of the Securities Act of 1933;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii)&nbsp;&nbsp;&nbsp;To reflect in the prospectus any facts or events arising after the effective date of this
Registration Statement (or the most recent post-effective amendment hereof) which, individually or
in the aggregate, represent a fundamental change in the information set forth in this Registration
Statement;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii)&nbsp;&nbsp;&nbsp;To include any material information with respect to the plan of distribution not
previously disclosed in this Registration Statement or any material change to such information in
this Registration Statement;
</DIV>


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<DIV style="font-family: 'Times New Roman',Times,serif">



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">provided, however, that paragraphs (1)(i) and (1)(ii) do not apply if the information required to
be included in a post-effective amendment by those paragraphs is contained in periodic reports
filed by the Registrant pursuant to Section&nbsp;13 or Section 15(d) of the Securities Exchange Act of
1934 that are incorporated by reference in this Registration Statement;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2)&nbsp;That, for the purpose of determining any liability under the Securities Act of 1933, each
such post-effective amendment shall be deemed to be a new registration statement relating to the
securities offered therein, and the offering of such securities at that time shall be deemed to be
the initial bona fide offering thereof;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(3)&nbsp;To remove from registration by means of a post-effective amendment any of the securities
being registered which remain unsold at the termination of the offering; and
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(4)&nbsp;To include any financial statements required by Item&nbsp;8.A of Form 20-F at the start of any
delayed offering or throughout a continuous offering.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The undersigned Registrant hereby undertakes that, for purposes of determining any liability
under the Securities Act of 1933, each filing of the Registrant&#146;s annual report pursuant to Section
13(a) or Section 15(d) of the Securities Exchange Act of 1934 that is incorporated by reference in
this Registration Statement shall be deemed to be a new registration statement relating to the
securities offered therein, and the offering of such securities at that time shall be deemed to be
the initial bona fide offering thereof.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Insofar as indemnification for liabilities arising under the Securities Act of 1933 may be
permitted to directors, officers and controlling persons of the Registrant pursuant to the
foregoing provisions, or otherwise, the Registrant has been advised that in the opinion of the
Securities and Exchange Commission such indemnification is against public policy as expressed in
such Act and is, therefore, unenforceable. In the event that a claim for indemnification against
such liabilities (other than the payment by the Registrant of expenses incurred or paid by a
director, officer or controlling person of the Registrant in the successful defense of any action,
suit or proceeding) is asserted by such director, officer or controlling person in connection with
the securities being registered, the Registrant will, unless in the opinion of its counsel the
matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the
question whether such indemnification by it is against public policy as expressed in such Act and
will be governed by the final adjudication of such issue.
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>SIGNATURES</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it
has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and
has duly caused this Registration Statement to be signed on its behalf by the undersigned,
thereunto duly authorized, in the City of Saskatoon, Province of Saskatchewan, Canada on the 7th
day of December, 2006.
</DIV>

<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left"><B>CAMECO CORPORATION</B><BR>
<BR>
&nbsp;<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left"><I>"Gerald W. Grandey"</I>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD valign="top">Name:&nbsp;&nbsp;</TD>
    <TD align="left">Gerald W. Grandey&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD valign="top">Title:&nbsp;&nbsp;</TD>
    <TD align="left">President and Chief
Executive Officer&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has
been signed below by the following persons in the capacities listed below and on the date indicated
and each of the undersigned persons, in any capacity, hereby appoints Gerald W. Grandey, O. Kim
Goheen and Gary M.S. Chad severally as attorneys-in-fact of the undersigned, with full power of
substitution and resubstitution, to sign this Registration Statement and any and all amendments
(including post-effective amendments and any registration statements pursuant to Rule 462(b) under
the Securities Act of 1933) and supplements and exhibits thereto and to file the same, and other
documents in connection therewith, with the Securities and Exchange Commission, and authorizes each
of them to do and perform each and every act necessary to be done in connection therewith.
</DIV>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="30%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="40%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="20%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Signature</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Title</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Date</B></TD>
</TR>
<!-- End Table Head -->

<!-- Begin Table Body -->
<TR valign="bottom" style="padding-top: 1em">
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top"><I>&#147;Gerald W. Grandey&#148;</I>
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
Gerald W. Grandey</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
President and Chief
Executive Officer and
Director (principal
executive officer)
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">December 7, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top"><I>&#147;O. Kim Goheen&#148;</I>
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
O. Kim Goheen</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
Senior Vice President
and Chief Financial
Officer (principal
financial and
accounting officer)
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">December 7, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top"><I>&#147;John S. Auston&#148;</I>
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
John S. Auston</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">December 7, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top"><I>&#147;John H. Clappison&#148;</I>
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
John H. Clappison</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">December 7, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top"><I>&#147;Joe F. Colvin&#148;</I>
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
Joe F. Colvin</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">December 7, 2006</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="30%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="40%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="20%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Signature</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Title</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Date</B></TD>
</TR>
<!-- End Table Head -->

<!-- Begin Table Body -->
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top"><I>&#147;Harry D. Cook&#148;</I>
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
Harry D. Cook</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">December 7, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top"><I>&#147;James R. Curtiss&#148;</I>
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
James R. Curtiss</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">December 7, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top"><I>&#147;George S. Dembroski&#148;</I>
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
George S. Dembroski</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">December 7, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top"><I>&#147;Nancy E. Hopkins&#148;</I>
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
Nancy E. Hopkins</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">December 7, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top"><I>&#147;Oyvind Hushovd&#148;</I>
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
Oyvind Hushovd</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">December 7, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top"><I>&#147;Dr. J.W. George Ivany&#148;</I>
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
Dr. J.W. George Ivany</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">December 7, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top"><I>&#147;A. Anne McLellan&#148;</I>
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
A. Anne McLellan</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">December 7, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top"><I>&#147;A. Neil McMillan&#148;</I>
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
A. Neil McMillan</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">December 7, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top"><I>&#147;Robert W. Peterson&#148;</I>
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
Robert W. Peterson</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">December 7, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top"><I>&#147;Victor J. Zaleschuk&#148;</I>
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
Victor J. Zaleschuk</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">December 7, 2006</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>AUTHORIZED REPRESENTATIVE</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of Section 6(a) of the Securities Act of 1933, the undersigned
has signed this Form S-8, solely in the capacity of the duly authorized representative of the
Registrant in the United States, in the City of Lakewood, State of Colorado on the
7th&nbsp;day of December, 2006.
</DIV>

<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">                                                            <I>"Fletcher Newton"</I>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD valign="top">Name:&nbsp;&nbsp;</TD>
    <TD align="left">Fletcher Newton&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>

</TABLE>

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">


<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>

</TABLE>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>EXHIBIT INDEX</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="8%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="89%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Exhibit</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left" style="border-bottom: 1px solid #000000"><B>Description of Exhibit</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Amended and Restated Stock Option Plan.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">5.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of Gary M.S. Chad, Esq. regarding legality of securities
being registered.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Independent Chartered Accountants.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Gary M.S. Chad, Esq. (included in Exhibit&nbsp;5)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>



<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>


</BODY>
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sv8
As
filed with the Securities and Exchange Commission on December 7, 2006.
Registration No. 333-
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM S-8
REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933
Cameco Corporation
(Exact name of registrant as specified in its charter )
Canada
Not Applicable
(State or other jurisdiction of
incorporation or organization)
(I.R.S. Employer Identification No.)
2121 – 11th Street West
Saskatoon, Saskatchewan
Canada S7M 1J3
(Address of principal executive offices)
Amended and Restated Stock Option Plan
(Full title of the plan)
Fletcher Newton
Power Resources, Inc.
141 Union Boulevard, Suite 330
Lakewood, Colorado 80228
(720) 917-0112
(Name, address and
telephone number,
including area code, of agent for service)
Copy to:
Gary M.S. Chad, Esq.
Corporate Secretary
Cameco Corporation
2121 – 11th Street West,
Saskatoon, Saskatchewan
Canada S7M 1J3
(306) 956-6303
CALCULATION OF REGISTRATION FEE
Proposed Maximum
Proposed Maximum
Amount of
Title of securities to
Amount to
Offering Price
Aggregate
Registration
be registered
be Registered (1)
per Share(2)
Offering Price(2)
Fee
Common Shares
2,500,000 shares
$39.06
$97,650,000
$10,479
(1)
Plus such indeterminate number of Common Shares of the Registrant as may be issued to prevent
dilution resulting from stock dividends, stock splits or similar transactions in accordance
with Rule 416 under the Securities Act of 1933.
(2)
Estimated solely for purposes of calculating the registration fee in accordance with Rule 457
under the Securities Act based upon the average of the reported high and low sales price of
the Common Shares of Cameco Corporation on December 5, 2006 on the New York
Stock Exchange (a date within five business days of the filing of this Registration
Statement).
EXPLANATORY NOTE
This Registration Statement on Form S-8 is being filed to register 2,500,000 additional Common
Shares of Cameco Corporation (the "Company") which have been reserved for issuance under the
Company's Amended and Restated Stock Option Plan, as amended by the Board of Directors on February
23, 2006 (the "Plan"). The Common Shares originally reserved under the Plan were previously
registered on Registration Statements on Form S-8 (Nos. 333-11736 and 333-6180).
PART I
INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS
The documents containing the information specified in Part I of Form S-8 are not required to
be filed with the SEC either as part of this registration statement or as prospectuses or
prospectus supplements pursuant to the Note to Part I of Form S-8 and Rule 424 under the Securities
Act of 1933. The information required in the Section 10(a) prospectus is included in documents
being maintained and delivered by Cameco Corporation as required by Part I of Form S-8 and by Rule
428 under the Securities Act of 1933.
PART II
INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
Item 3.   Incorporation of Documents by Reference.
The following documents which have been and will in the future be filed by us with the SEC are
incorporated in the Registration Statement by reference:
(a)   Our Annual Report on Form 40-F for the fiscal year ended December 31, 2005, which contains
our audited financial statements for such fiscal year.
(b)   All other reports filed by our company under Section 13(a) or 15(d) of the Securities
Exchange Act of 1934 (the "Exchange Act") since December 31, 2005.
(c)   The description of our Common Shares set forth under the caption "Description of Share
Capital" in the Prospectus contained in our Registration Statement on Form F-10 (File No. 333-1648)
incorporated by reference in our Registration Statement on Form 8-A (File No. 1-14228), including
any amendment or report filed for the purpose of amending such description.
In addition, all reports and documents filed by us under Section 13(a), 13(c), 14 or 15(d) of
the Exchange Act after the date of this Registration Statement and prior to the filing of a
post-effective amendment which indicates that all securities being offered have been sold or which
deregisters all securities then remaining unsold, shall be deemed to be incorporated by reference
in and to be part of this Registration Statement from the date of filing of each such document,
provided that reports on Form 6-K shall be so deemed incorporated by reference only if and to the
extent indicated in such reports.
Item 4.   Description of Securities.
Not applicable.
Item 5. Interests of Named Experts and Counsel.
Not applicable.
Item 6.   Indemnification of Directors and Officers.
Under the Canada Business Corporations Act, the Registrant may indemnify a present or former
director or officer or a person who acts or acted at the Registrant's request as a director or
officer, or an individual acting in a similar capacity, of another entity, against all costs,
charges and expenses, including an amount paid to settle an action or satisfy a judgment,
reasonably incurred by him or her in respect of any civil, criminal, administrative, investigative
or other proceeding in which he or she is involved because of that association with the Registrant
or other entity and provided that the individual acted honestly and in good faith with a view to
the best interests of the Registrant or as the case may be, to the best interests of the other
entity for which the individual acted as director or officer or in a similar capacity at the
Registrant's request, and, in the case of a criminal or administrative action or proceeding that is
enforced by a monetary penalty, such individual had reasonable grounds for believing that his or
her conduct was lawful. Such indemnification may be made in connection with an action by or on
behalf of the Registrant or such other entity to procure a judgment in its favor only with court
approval. An individual referred to above is entitled to indemnification from the Registrant as a
matter of right in respect of all costs, charges and expenses reasonably incurred by him or her in
connection with the defense of any civil, criminal, administrative, investigative or other
proceeding to which he or she is subject because of such person's association with the Registrant
or other entity as described above if he or she was not judged by the court or other competent
authority to have committed any fault or omitted to do anything that the individual ought to have
done and fulfilled the conditions set forth above.
The By-laws of the Registrant provide that the Registrant shall indemnify a director or
officer, a former director or officer, or a person who acts or acted at the Registrant's request as
a director or officer or an individual acting in a similar capacity of another entity to the
fullest extent permitted by the Canada Business Corporations Act or otherwise by law.
The Registrant has also entered into contracts with each of its current officers and directors
to indemnify each of them against all costs, charges and expenses, including any amount paid to
settle an action or satisfy a judgment, incurred in respect of any civil, criminal or
administrative action or proceeding by reason of being or having been a director or an officer and
employee of the Registrant, or by reason of being or having been, at the request of the Registrant,
a director or officer, or both, of a body corporate in which the Registrant, directly or
indirectly, is a shareholder, in each case to the extent permitted by applicable law and subject to
the further conditions described below. Such contractual indemnity is only available if the person
claiming the indemnity acted honestly and in good faith with a view to the best interests of the
Registrant, in the case of a criminal or administrative action or proceeding that is enforced by
monetary penalty, the person claiming the indemnity had reasonable grounds for believing that the
conduct in question was lawful and in respect of an action by or on behalf of the Registrant to
procure a judgment in its favor, to which the person claiming the indemnity is made a party by
reason of being or having been a director or officer of the Registrant or any of its direct or
indirect subsidiaries, if a court of competent jurisdiction gives its approval to the Registrant to
provide the indemnity, if such approval is required by law.
The Registrant has purchased insurance for the benefit of all directors and officers against
liability incurred by them in their capacity as a director or officer of the Registrant or its
subsidiaries in an amount of Cdn $150,000,000. The policy contains a number of exclusions and
limitations to the coverage provided, as a result of which, the Registrant may, under certain
circumstances, be obligated to indemnify its directors or officers for certain claims that do not
fall within the coverage under the policy.
Insofar as indemnification for liabilities arising under the Securities Act of 1933 may be
permitted to directors, officers or persons controlling the Registrant pursuant to the foregoing
provisions, or otherwise, the Registrant has been advised that in the opinion of the Securities and
Exchange Commission such indemnification is against public policy as expressed in the Act and is
therefore unenforceable. In the event that a claim for indemnification against such liabilities
(other than the payment by the Registrant of expenses incurred or paid by a director, officer or
controlling person of the Registrant in the successful defense of any action, suit or proceeding)
is asserted by such director, officer or controlling person in connection with the securities being
registered, the Registrant will, unless in the opinion of its counsel the matter has been settled
by controlling precedent, submit to a court of appropriate jurisdiction the question whether such
indemnification by it is against public policy as expressed in the Act and will be governed by the
final adjudication of such issue.
Item 7.   Exemption from Registration Claimed.
Not applicable.
Item 8.   Exhibits.
A list of exhibits included as part of this Registration Statement is set forth in the Exhibit
Index to this Registration Statement.
Item 9.   Undertakings.
The undersigned Registrant hereby undertakes, except as otherwise specifically provided in the
rules of the Securities and Exchange Commission promulgated under the Securities Act of 1933:
(1)   To file, during any period in which offers or sales are being made, a post-effective
amendment to this Registration Statement:
(i)   To include any prospectus required by section 10(a)(3) of the Securities Act of 1933;
(ii)   To reflect in the prospectus any facts or events arising after the effective date of this
Registration Statement (or the most recent post-effective amendment hereof) which, individually or
in the aggregate, represent a fundamental change in the information set forth in this Registration
Statement;
(iii)   To include any material information with respect to the plan of distribution not
previously disclosed in this Registration Statement or any material change to such information in
this Registration Statement;
provided, however, that paragraphs (1)(i) and (1)(ii) do not apply if the information required to
be included in a post-effective amendment by those paragraphs is contained in periodic reports
filed by the Registrant pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of
1934 that are incorporated by reference in this Registration Statement;
(2) That, for the purpose of determining any liability under the Securities Act of 1933, each
such post-effective amendment shall be deemed to be a new registration statement relating to the
securities offered therein, and the offering of such securities at that time shall be deemed to be
the initial bona fide offering thereof;
(3) To remove from registration by means of a post-effective amendment any of the securities
being registered which remain unsold at the termination of the offering; and
(4) To include any financial statements required by Item 8.A of Form 20-F at the start of any
delayed offering or throughout a continuous offering.
The undersigned Registrant hereby undertakes that, for purposes of determining any liability
under the Securities Act of 1933, each filing of the Registrant's annual report pursuant to Section
13(a) or Section 15(d) of the Securities Exchange Act of 1934 that is incorporated by reference in
this Registration Statement shall be deemed to be a new registration statement relating to the
securities offered therein, and the offering of such securities at that time shall be deemed to be
the initial bona fide offering thereof.
Insofar as indemnification for liabilities arising under the Securities Act of 1933 may be
permitted to directors, officers and controlling persons of the Registrant pursuant to the
foregoing provisions, or otherwise, the Registrant has been advised that in the opinion of the
Securities and Exchange Commission such indemnification is against public policy as expressed in
such Act and is, therefore, unenforceable. In the event that a claim for indemnification against
such liabilities (other than the payment by the Registrant of expenses incurred or paid by a
director, officer or controlling person of the Registrant in the successful defense of any action,
suit or proceeding) is asserted by such director, officer or controlling person in connection with
the securities being registered, the Registrant will, unless in the opinion of its counsel the
matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the
question whether such indemnification by it is against public policy as expressed in such Act and
will be governed by the final adjudication of such issue.
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it
has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and
has duly caused this Registration Statement to be signed on its behalf by the undersigned,
thereunto duly authorized, in the City of Saskatoon, Province of Saskatchewan, Canada on the 7th
day of December, 2006.
CAMECO CORPORATION
By:
"Gerald W. Grandey"
Name:
Gerald W. Grandey
Title:
President and Chief
Executive Officer
Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has
been signed below by the following persons in the capacities listed below and on the date indicated
and each of the undersigned persons, in any capacity, hereby appoints Gerald W. Grandey, O. Kim
Goheen and Gary M.S. Chad severally as attorneys-in-fact of the undersigned, with full power of
substitution and resubstitution, to sign this Registration Statement and any and all amendments
(including post-effective amendments and any registration statements pursuant to Rule 462(b) under
the Securities Act of 1933) and supplements and exhibits thereto and to file the same, and other
documents in connection therewith, with the Securities and Exchange Commission, and authorizes each
of them to do and perform each and every act necessary to be done in connection therewith.
Signature
Title
Date
"Gerald W. Grandey"
Gerald W. Grandey
President and Chief
Executive Officer and
Director (principal
executive officer)
December 7, 2006
"O. Kim Goheen"
O. Kim Goheen
Senior Vice President
and Chief Financial
Officer (principal
financial and
accounting officer)
December 7, 2006
"John S. Auston"
John S. Auston
Director
December 7, 2006
"John H. Clappison"
John H. Clappison
Director
December 7, 2006
"Joe F. Colvin"
Joe F. Colvin
Director
December 7, 2006
Signature
Title
Date
"Harry D. Cook"
Harry D. Cook
Director
December 7, 2006
"James R. Curtiss"
James R. Curtiss
Director
December 7, 2006
"George S. Dembroski"
George S. Dembroski
Director
December 7, 2006
"Nancy E. Hopkins"
Nancy E. Hopkins
Director
December 7, 2006
"Oyvind Hushovd"
Oyvind Hushovd
Director
December 7, 2006
"Dr. J.W. George Ivany"
Dr. J.W. George Ivany
Director
December 7, 2006
"A. Anne McLellan"
A. Anne McLellan
Director
December 7, 2006
"A. Neil McMillan"
A. Neil McMillan
Director
December 7, 2006
"Robert W. Peterson"
Robert W. Peterson
Director
December 7, 2006
"Victor J. Zaleschuk"
Victor J. Zaleschuk
Director
December 7, 2006
AUTHORIZED REPRESENTATIVE
Pursuant to the requirements of Section 6(a) of the Securities Act of 1933, the undersigned
has signed this Form S-8, solely in the capacity of the duly authorized representative of the
Registrant in the United States, in the City of Lakewood, State of Colorado on the
7th day of December, 2006.
By:
"Fletcher Newton"
Name:
Fletcher Newton
EXHIBIT INDEX
Exhibit
Description of Exhibit
4.1
Amended and Restated Stock Option Plan.
5.1
Opinion of Gary M.S. Chad, Esq. regarding legality of securities
being registered.
23.1
Consent of Independent Chartered Accountants.
23.2
Consent of Gary M.S. Chad, Esq. (included in Exhibit 5)