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<SEC-DOCUMENT>0001130319-07-000371.txt : 20070504
<SEC-HEADER>0001130319-07-000371.hdr.sgml : 20070504
<ACCEPTANCE-DATETIME>20070504170024
ACCESSION NUMBER:		0001130319-07-000371
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20070504
FILED AS OF DATE:		20070504
DATE AS OF CHANGE:		20070504

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CAMECO CORP
		CENTRAL INDEX KEY:			0001009001
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS METAL ORES [1090]
		IRS NUMBER:				980113090
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		6-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14228
		FILM NUMBER:		07821237

	BUSINESS ADDRESS:	
		STREET 1:		2121 11TH ST W
		CITY:			SASKATOON
		STATE:			A9
		ZIP:			S7M 1J3
		BUSINESS PHONE:		3069566200

	MAIL ADDRESS:	
		STREET 1:		2121 11TH ST W.
		CITY:			SASKATOON
		STATE:			A9
		ZIP:			S7M 1J3
</SEC-HEADER>
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<TEXT>
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<BODY bgcolor="#FFFFFF">
<!-- PAGEBREAK -->
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>
<DIV style="font-family: Helvetica,Arial,sans-serif">


<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>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION</B>
</DIV>

<DIV align="center" style="font-size: 12pt"><B>Washington, DC 20549</B>
</DIV>

<DIV align="center" style="font-size: 18pt; margin-top: 12pt"><B>FORM 6-K</B>
</DIV>


<DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B>Report of Foreign Private Issuer<BR>
Pursuant to Rule&nbsp;13a-16 or 15d-16 Under<BR>
the Securities Exchange Act of 1934</B>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt">For the month of May, 2007</DIV>

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

<DIV align="center" style="font-size: 10pt">(Commission file No.&nbsp;1-14228)</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>2121-11th Street West<BR>
Saskatoon, Saskatchewan, Canada S7M 1J3</B><BR>
(Address of Principal Executive Offices)</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Indicate by check mark whether the registrant files or will file annual reports under cover
Form 20-F or Form 40-F.
</DIV>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="70%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="47%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="47%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="center" valign="top">Form&nbsp;20-F&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT face="Wingdings">&#111;</FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Form&nbsp;40-F&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT face="Wingdings">&#254;</FONT></TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">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&nbsp;12g3-2(b) under the
Securities Exchange Act of 1934.
</DIV>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="70%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="47%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="47%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="center" valign="top">Yes&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT face="Wingdings">&#111;</FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">No&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT face="Wingdings">&#254;</FONT></TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">If &#147;Yes&#148; is marked, indicate below the file number assigned to the registrant in connection with
Rule&nbsp;12g3-2(b):
</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>





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

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

<DIV style="font-family: Helvetica,Arial,sans-serif">

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><U><B>Exhibit&nbsp;Index</B></U>
</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="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="76%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000">Exhibit No.</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">Description</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000">Page No.</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom"><!-- Blank Space -->
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">1.</TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Press Release dated
May&nbsp;4, 2007
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">3</TD>
    <TD nowrap valign="top">&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


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


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused
this report to be signed on its behalf by the undersigned, thereunto duly authorized.
</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">Date: May 4, 2007&nbsp;</TD>
    <TD colspan="3" align="left">Cameco Corporation<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">/s/ <I>&#147;Gary M.S. Chad&#148;</I>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Gary M.S. Chad, Q.C.&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Senior Vice-President, Governance,
Legal and Regulatory Affairs, and
Corporate Secretary&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>

</TABLE>

<P align="center" style="font-size: 10pt"><!-- Folio -->2<!-- /Folio -->
</DIV>

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

<DIV style="font-family: Helvetica,Arial,sans-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="7%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="7%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="70%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="10%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><BR>
<U><B>Listed</B></U><BR>
TSX<BR>
NYSE
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><B>Share</B><BR>
<U><B>Symbol</B></U><BR>
CCO<BR>
CCJ
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><IMG src="o36151o3615100.gif" alt="(CAMECO LOGO)">
</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left" valign="top"><B>web site address:</B><BR>
<U>www.cameco.com</U></TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt">2121
&#150; 11<SUP style="font-size: 85%; vertical-align: text-top">th </SUP>Street West, Saskatoon, Saskatchewan, S7M 1J3 Canada<BR>
Tel: (306)&nbsp;956-6200 Fax: (306)&nbsp;956-6201
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B><I>Cameco Conference Call To Discuss Cigar Lake Flood Investigations</I></B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Saskatoon, Saskatchewan, Canada, May&nbsp;4, 2007 . . . . . . . . . . . .
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt"><B>Cameco Corporation </B>is having a conference call at 2:00 p.m. Eastern time (12:00&nbsp;p.m. Saskatoon
time) Friday, May&nbsp;4, 2007 to discuss the results of the investigations into the two floods at the
Cigar Lake uranium project in northern Saskatchewan during 2006. The independent investigation
reports and Cameco&#146;s responses are posted with this news release on the company&#146;s website at
cameco.com.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">The call will be open to all members of the investment community and the media. In order to join
the conference call, please dial (888)&nbsp;789-0150 or (416)&nbsp;695-6120 (Canada and US). An operator will
put your call through.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">A recorded version of the proceedings will be available on our website, cameco.com, shortly after
the call, and on post view until midnight, Eastern time, May&nbsp;18,
2007 by calling (888)&nbsp;509-0081 or (416)&nbsp;695-5275 (passcode: 643454).
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Cameco, with its head office in Saskatoon, Saskatchewan, is the world&#146;s largest uranium producer.
The company&#146;s uranium products are used to generate electricity in nuclear energy plants around the
world, providing one of the cleanest sources of energy available today. Cameco&#146;s shares trade on
the Toronto and New York stock exchanges.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt">- End -
</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="25%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="10%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="58%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><B>Investor &#038; media inquiries:</B>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Alice Wong
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">(306) 956-6337</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><B>Investor inquiries:</B>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Bob Lillie
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">(306) 956-6639</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><B>Media inquiries:</B>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Lyle Krahn
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">(306) 956-6316</TD>
</TR>
<!-- End Table Body -->
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<P align="center" style="font-size: 10pt"><!-- Folio -->3<!-- /Folio -->
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