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<SEC-DOCUMENT>0001130319-04-000240.txt : 20040407
<SEC-HEADER>0001130319-04-000240.hdr.sgml : 20040407
<ACCEPTANCE-DATETIME>20040407123606
ACCESSION NUMBER:		0001130319-04-000240
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040407
FILED AS OF DATE:		20040407

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:		04721790

	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>
<DOCUMENT>
<TYPE>6-K
<SEQUENCE>1
<FILENAME>o12540e6vk.htm
<DESCRIPTION>FORM 6-K
<TEXT>
<HTML>
<HEAD>
<TITLE>Form 6-K</TITLE>
</HEAD>
<BODY bgcolor="#FFFFFF">
<!-- PAGEBREAK -->
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<HR size="4" noshade color="#000000" style="margin-top: -5px">
<HR size="1" noshade color="#000000" style="margin-top: -10px">

<P align="center"><FONT size="4"><B>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION</B><BR>
</FONT><FONT size="3"><B>Washington, DC 20549</B>
</FONT>
<P align="center"><FONT size="5"><B>Form&nbsp;6-K</B>
</FONT>
<P align="center"><FONT size="2"><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>
</FONT>
<P align="center"><FONT size="2">For the month of April, 2004
</FONT>
<CENTER>
<P align="center"><FONT size="6"><B>Cameco Corporation</B>
</FONT><FONT size="2"><HR align="center" size="1" width="40%" noshade>
<I>(Commission file No.&nbsp;1-14228)</I>
</FONT>
</CENTER>
<CENTER>
<P align="center"><FONT size="2"><B>2121 &#150; 11th Street West<BR>
Saskatoon, Saskatchewan, Canada S7M 1J3</B>
<HR align="center" size="1" width="40%" noshade>
<I>(Address of Principal Executive Offices)</I>
</FONT>
</CENTER>
<P><FONT size="2">Indicate by check mark whether the registrant files or will file annual reports
under cover Form&nbsp;20-F or Form&nbsp;40-F.
</FONT>
<CENTER>
<TABLE cellspacing="0" border="0" cellpadding="0" width="70%">
<TR valign="bottom">
        <TD width="49%">&nbsp;</TD>
        <TD width="2%">&nbsp;</TD>
        <TD width="49%">&nbsp;</TD>
</TR>
<TR valign="bottom">
        <TD align="center" valign="top"><FONT size="2">Form&nbsp;20-F&nbsp;&nbsp;&nbsp;</FONT><FONT face="wingdings" size="3">&#111;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="center" valign="top"><FONT size="2">Form&nbsp;40-F&nbsp;&nbsp;&nbsp;</FONT><FONT face="wingdings" size="3">&#254;</FONT></TD>
</TR>
</TABLE>
</CENTER>
<P><FONT size="2">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.
</FONT>
<CENTER>
<TABLE cellspacing="0" border="0" cellpadding="0" width="70%">
<TR valign="bottom">
        <TD width="49%">&nbsp;</TD>
        <TD width="2%">&nbsp;</TD>
        <TD width="49%">&nbsp;</TD>
</TR>
<TR valign="bottom">
        <TD align="center" valign="top"><FONT size="2">Yes&nbsp;&nbsp;&nbsp;</FONT><FONT face="wingdings" size="3">&#111;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="center" valign="top"><FONT size="2">No&nbsp;&nbsp;&nbsp;</FONT><FONT face="wingdings" size="3">&#254;</FONT></TD>
</TR>
</TABLE>
</CENTER>
<P><FONT size="2">If &#147;Yes&#148; is marked, indicate below the file number assigned to the registrant
in connection with Rule&nbsp;12g3-2(b): <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>
</FONT>
<P>
<HR size="1" noshade color="#000000" style="margin-top: -2px">
<HR size="4" noshade color="#000000" style="margin-top: -10px">




<P align="center"><FONT size="2">&nbsp;</FONT>
<!-- PAGEBREAK -->
<P><HR noshade><P>







<!-- TOC -->
<A name="toc"><DIV align="CENTER" style="page-break-before:always"><U><B>TABLE OF CONTENTS</B></U></DIV></A>

<P><CENTER>
<TABLE border="0" width="90%" cellpadding="0" cellspacing="0">
<TR>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="76%"></TD>
</TR>
<TR><TD colspan="9"><A HREF="#000">Exhibit Index</A></TD></TR>
<TR><TD colspan="9"><A HREF="#001">SIGNATURE</A></TD></TR>
<TR><TD colspan="9"><A HREF="#002">FORM 51-102F3 MATERIAL CHANGE REPORT</A></TD></TR>
</TABLE>
</CENTER>
<!-- /TOC -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>





<!-- link1 "Exhibit Index" -->
<DIV align="left"><A NAME="000"></A></DIV>
<P align="left"><FONT size="2"><B><U>Exhibit&nbsp;Index</U></B>
</FONT>

<CENTER>
<TABLE cellspacing="0" border="0" cellpadding="0" width="100%">
<TR valign="bottom">
        <TD width="6%">&nbsp;</TD>
        <TD width="5%">&nbsp;</TD>
        <TD width="79%">&nbsp;</TD>
        <TD width="5%">&nbsp;</TD>
        <TD width="6%">&nbsp;</TD>
</TR>
<TR valign="bottom">
        <TD nowrap align="center"><FONT size="1"><B>Exhibit No.</B></FONT></TD>
        <TD><FONT size="1">&nbsp;</FONT></TD>
        <TD nowrap align="center"><FONT size="1"><B>Description</B></FONT></TD>
        <TD><FONT size="1">&nbsp;</FONT></TD>
        <TD nowrap align="center"><FONT size="1"><B>Page No.</B></FONT></TD>
</TR>
<TR valign="bottom">
        <TD nowrap align="center"><HR size="1" noshade></TD>
        <TD><FONT size="1">&nbsp;</FONT></TD>
        <TD nowrap align="center"><HR size="1" noshade></TD>
        <TD><FONT size="1">&nbsp;</FONT></TD>
        <TD nowrap align="center"><HR size="1" noshade></TD>
</TR>
<TR valign="bottom">
        <TD valign="top" align="center"><FONT size="2">1.</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="left" valign="top"><FONT size="2">
Material Change Report
dated April&nbsp;6, 2004
</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="center" valign="top"><FONT size="2">3 - 6</FONT></TD>
</TR>
</TABLE>
</CENTER>
<!-- link1 "SIGNATURE" -->
<DIV align="left"><A NAME="001"></A></DIV>
<P align="center"><FONT size="2"><B>SIGNATURE</B>
</FONT>

<P><FONT size="2">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.
</FONT>
<CENTER>
<TABLE cellspacing="0" border="0" cellpadding="0" width="100%">
<TR valign="bottom">
        <TD width="49%">&nbsp;</TD>
        <TD width="1%">&nbsp;</TD>
        <TD width="3%">&nbsp;</TD>
        <TD width="1%">&nbsp;</TD>
        <TD width="46%">&nbsp;</TD>
</TR>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">Date: April 6, 2004</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD colspan="3" align="left" valign="top"><FONT size="2">Cameco Corporation</FONT></TD>
</TR>
<TR><TD><FONT size="2">&nbsp;</FONT></TD></TR>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="left" valign="top"><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="left" valign="top"><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR><TD><FONT size="2">&nbsp;</FONT></TD></TR>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="left" valign="top"><FONT size="2">
By:
</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="left" valign="top"><FONT size="2"><I>&#147;Gary M.S. Chad&#148;</I>
</FONT><HR size="1" noshade align="left" width="70%"><FONT size="2">
Gary M.S. Chad<BR>
Senior Vice-President, Law,<BR>
Regulatory Affairs and<BR>
Corporate Secretary</FONT></TD>
</TR>
</TABLE>
</CENTER>
<P align="center"><FONT size="2">Page 2</FONT>
<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<!-- link1 "FORM 51-102F3 MATERIAL CHANGE REPORT" -->
<DIV align="left"><A NAME="002"></A></DIV>
<P align="center"><FONT size="2"><B>FORM 51-102F3</B>
</FONT>

<P align="center"><FONT size="2"><B>MATERIAL CHANGE REPORT</B>
</FONT>
<P>
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2"><B>ITEM 1
&#150;</B></FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2"><B>Name and Address of Company:</B></FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2">&nbsp;</FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2">Cameco Corporation (&#147;Cameco&#148;)<BR>
2121 &#150; 11th Street West, Saskatoon, Saskatchewan S7M 1J3</FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2"><B>ITEM 2
&#150;</B></FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2"><B>Date of Material Change:</B></FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2">&nbsp;</FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2">April&nbsp;1, 2004</FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2"><B>ITEM 3
&#150;</B></FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2"><B>News Release:</B></FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2">&nbsp;</FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2">The English version and the French translation version of the press
release relating to this material change were distributed and filed
by Canadian Corporate News through their Canadian Timely Disclosure
Pack and U.S. Timely Disclosure Pack on April&nbsp;1, 2004.</FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="8%" align="left" nowrap><FONT size="2"><B>ITEM 4
&#150;</B></FONT></TD>
        <TD width="3%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="89%"><FONT size="2"><B>Summary of Material Change:</B></FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2">&nbsp;</FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2">Cameco and the National Atomic Company of Kazakhstan (KazAtomProm)
plan to develop the Inkai uranium deposit in Kazakhstan through
their Inkai Joint Venture (JV Inkai). Cameco owns 60% of Inkai and
KazAtomProm owns 40%. JV Inkai has approved the technical and
financial conclusions of the feasibility study that estimated a
total capital cost of $38&nbsp;million (US)&nbsp;to build an in&nbsp;situ leach
mine. Subject to regulatory approval, the mine is expected to
achieve commercial production in 2007 and ramp up to 2.6&nbsp;million
pounds annually by 2009. JV Inkai will assess if this production
level can be increased.</FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2">&nbsp;</FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2">Cameco has a loan agreement to provide up to $40&nbsp;million (US)&nbsp;to JV
Inkai for project development and had provided $19.5&nbsp;million by
December&nbsp;31, 2003. The loan is expected to be repaid through Inkai
production. Additional financing arrangements will be made, as
required, to complete the project.</FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2">&nbsp;</FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2">Cameco estimates there are 91.5&nbsp;million pounds of proven and
probable reserves (Cameco&#146;s share 54.9&nbsp;million pounds) that would
provide an estimated mine life of well over 30&nbsp;years.</FONT></TD>
</TR>
</TABLE>
<P align="center"><FONT size="2">Page 3</FONT>
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<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>




<P>
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2"><B>ITEM 5 &#150;</B></FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2"><B>Full Description of Material Change:</B></FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2">&nbsp;</FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2">Cameco and KazAtomProm announced today that they plan to develop
the Inkai uranium deposit in Kazakhstan through JV Inkai. Cameco
owns 60% of Inkai and KazAtomProm owns 40%. JV Inkai has approved
the technical and financial conclusions of the feasibility study
that estimated a total capital cost of $38&nbsp;million (US)&nbsp;to build an
in situ leach mine. Subject to regulatory approval, the mine is
expected to achieve commercial production in 2007 and ramp up to
2.6&nbsp;million pounds annually by 2009. JV Inkai will assess if this
production level can be increased.</FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2">&nbsp;</FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2">Cameco has a loan agreement to provide up to $40&nbsp;million (US)&nbsp;to JV
Inkai for project development and had provided $19.5&nbsp;million by
December&nbsp;31, 2003. The loan is expected to be repaid through Inkai
production. Additional financing arrangements will be made, as
required, to complete the project.</FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2">&nbsp;</FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2">Cameco estimates there are 91.5&nbsp;million pounds of proven and
probable reserves that would provide an estimated mine life of well
over 30&nbsp;years. Additional work is required to confirm other
resources that have been identified in the surrounding area.</FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2">&nbsp;</FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2">Inkai has a number of advantages including low production costs,
competitive tax rates, large orebodies and favourable geological
conditions with excellent orebody permeability requiring fewer
injection and production wells.</FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2">&nbsp;</FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2">JV Inkai will submit an environmental assessment and design plan
for construction of the commercial facility to Kazakh regulatory
authorities for approval before the end of the year. Cameco expects
construction to begin early in 2005, with completion scheduled for
2007. Inkai will employ up to 200 workers during construction and
will require approximately 230 employees once full production is
reached. Approximately 97% of the employees will be hired locally.</FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2">&nbsp;</FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2">The Inkai uranium deposit is located in south central Kazakhstan,
about 370 kilometres northwest of the regional capital of Shymkent
and some 1,000 kilometres northwest of Almaty. Small-scale test
mining was conducted in the vicinity of Inkai in the late 1980s. JV
Inkai began testing mining in 2002 in order to gather information
for the feasibility study. In 2003 the test mine produced 0.2
million pounds U<SUB>3</SUB>O<SUB>8</SUB> and is expected to continue to produce about
0.3 to 0.6&nbsp;million pounds annually through 2007.</FONT></TD>
</TR>
</TABLE>
<P align="center"><FONT size="2">Page 4</FONT>

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<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>




<P>
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2">&nbsp;</FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2">Cameco estimated the reserves and resources for the Inkai uranium
deposit (as of December&nbsp;31, 2003) on a 100% basis as follows:</FONT></TD>
</TR>
</TABLE>
<CENTER>
<TABLE cellspacing="0" border="0" cellpadding="0" width="83%">
<TR valign="bottom">
        <TD width="3%">&nbsp;</TD>
        <TD width="42%">&nbsp;</TD>
        <TD width="3%">&nbsp;</TD>
        <TD width="2%">&nbsp;</TD>
        <TD width="7%">&nbsp;</TD>
        <TD width="2%">&nbsp;</TD>
        <TD width="3%">&nbsp;</TD>
        <TD width="2%">&nbsp;</TD>
        <TD width="7%">&nbsp;</TD>
        <TD width="2%">&nbsp;</TD>
        <TD width="3%">&nbsp;</TD>
        <TD width="3%">&nbsp;</TD>
        <TD width="5%">&nbsp;</TD>
        <TD width="3%">&nbsp;</TD>
        <TD width="3%">&nbsp;</TD>
        <TD width="3%">&nbsp;</TD>
        <TD width="5%">&nbsp;</TD>
        <TD width="3%">&nbsp;</TD>
</TR>
<TR valign="bottom">
        <TD><FONT size="1">&nbsp;</FONT></TD>
        <TD><FONT size="1">&nbsp;</FONT></TD>
        <TD><FONT size="1">&nbsp;</FONT></TD>
        <TD nowrap align="center" colspan="3"><FONT size="1"><B>Tonnes</B></FONT></TD>
        <TD><FONT size="1">&nbsp;</FONT></TD>
        <TD nowrap align="center" colspan="3"><FONT size="1"><B>Grade</B></FONT></TD>
        <TD><FONT size="1">&nbsp;</FONT></TD>
        <TD nowrap align="center" colspan="3"><FONT size="1"><B>Content</B></FONT></TD>
        <TD><FONT size="1">&nbsp;</FONT></TD>
        <TD nowrap align="center" colspan="3"><FONT size="1"><B>Cameco's Share</B></FONT></TD>
</TR>
<TR valign="bottom">
        <TD><FONT size="1">&nbsp;</FONT></TD>
        <TD><FONT size="1">&nbsp;</FONT></TD>
        <TD><FONT size="1">&nbsp;</FONT></TD>
        <TD nowrap align="center" colspan="3"><FONT size="1"><B>(thousands)</B></FONT></TD>
        <TD><FONT size="1">&nbsp;</FONT></TD>
        <TD nowrap align="center" colspan="3"><FONT size="1"><B>(%U<SUB>3</SUB>O<SUB>8</SUB>)</B></FONT></TD>
        <TD><FONT size="1">&nbsp;</FONT></TD>
        <TD nowrap align="center" colspan="3"><FONT size="1"><B>(million lbs U<SUB>3</SUB>O<SUB>8</SUB>)</B></FONT></TD>
        <TD><FONT size="1">&nbsp;</FONT></TD>
        <TD nowrap align="center" colspan="3"><FONT size="1"><B>(million lbs U<SUB>3</SUB>O<SUB>8</SUB>)</B></FONT></TD>
</TR>

<TR>
        <TD colspan="2"><DIV style="margin-left:10px; text-indent:-10px"><FONT size="2">&nbsp;</FONT></DIV></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD colspan="3"><HR size="1" noshade></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD colspan="3"><HR size="1" noshade></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD colspan="3"><HR size="1" noshade></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD colspan="3"><HR size="1" noshade></TD>
</TR>


<TR valign="bottom" bgcolor="#eeeeee">
        <TD colspan="2"><DIV style="margin-left:10px; text-indent:-10px"><FONT size="2"><B>Reserves</B></FONT></DIV></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>

<TR valign="bottom">
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><DIV style="margin-left:10px; text-indent:-10px"><FONT size="2">Proven</FONT></DIV></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="right"><FONT size="2">22,700</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="right"><FONT size="2">0.06</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="right"><FONT size="2">28.3</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="right"><FONT size="2">17.0</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>

<TR valign="bottom" bgcolor="#eeeeee">
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><DIV style="margin-left:10px; text-indent:-10px"><FONT size="2">Probable</FONT></DIV></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="right"><FONT size="2">63,700</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="right"><FONT size="2">0.05</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="right"><FONT size="2">63.2</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="right"><FONT size="2">37.9</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR>
        <TD colspan="2"><DIV style="margin-left:10px; text-indent:-10px"><FONT size="2">&nbsp;</FONT></DIV></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><HR size="1" noshade></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><HR size="1" noshade></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><HR size="1" noshade></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><HR size="1" noshade></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="bottom">
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><DIV style="margin-left:10px; text-indent:-10px"><FONT size="2">Total</FONT></DIV></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="right"><FONT size="2">86,400</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="right"><FONT size="2">0.05</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="right"><FONT size="2">91.5</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="right"><FONT size="2">54.9</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR>
        <TD colspan="2"><DIV style="margin-left:10px; text-indent:-10px"><FONT size="2">&nbsp;</FONT></DIV></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><HR size="4" noshade></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><HR size="4" noshade></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><HR size="4" noshade></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><HR size="4" noshade></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="bottom" bgcolor="#eeeeee">
        <TD colspan="2"><DIV style="margin-left:10px; text-indent:-10px"><FONT size="2"><B>Resources</B></FONT></DIV></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>

<TR valign="bottom">
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><DIV style="margin-left:10px; text-indent:-10px"><FONT size="2">Indicated</FONT></DIV></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="right"><FONT size="2">3,600</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="right"><FONT size="2">0.04</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="right"><FONT size="2">2.9</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="right"><FONT size="2">1.7</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>

<TR valign="bottom" bgcolor="#eeeeee">
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><DIV style="margin-left:10px; text-indent:-10px"><FONT size="2">Inferred</FONT></DIV></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="right"><FONT size="2">253,918</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="right"><FONT size="2">0.05</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="right"><FONT size="2">268.0</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="right"><FONT size="2">160.8</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
</TABLE>
</CENTER>
<P>
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2">&nbsp;</FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2">The qualified person for the Inkai reserve and resource estimates
contained in this material change report is Raymond Jean-Francois
Chauvet, geological engineer and professional geoscientist, who was
director, mining resources and methods at Cameco. Production from
the Inkai test mine continues to support the lab and field testing
that was initially completed by Volk Geology located in Almaty,
Kazakhstan.</FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2">&nbsp;</FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2">ISL mining involves the use of an oxidant added to natural
groundwater to liberate uranium directly from the undisturbed
underground orebody. Water carrying the oxidant is injected through
a series of perimeter wells and flows through the permeable orebody
to production wells. The uranium-bearing solution is then pumped to
the surface process plant for recovery.</FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2">&nbsp;</FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2">Cameco owns and operates two ISL mining operations in the United
States, one each in Wyoming and Nebraska. These two mines currently
account for all primary uranium production in the United States.
KazAtomProm controls and operates three ISL mines in Kazakhstan.</FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2">&nbsp;</FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2">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: volatility and sensitivity to market prices for uranium;
the impact of the sales volume of uranium and conversion services;
competition; the impact of change in foreign currency exchange
rates and interest rates; imprecision in reserve estimates;
environmental and safety risks including increased regulatory
burdens; unexpected geological or hydrological conditions;
political risks arising from operating in certain developing
countries; a possible deterioration in political support for
nuclear energy; changes in government regulations and policies,
including trade laws and policies; demand for nuclear power;
replacement of production and failure to</FONT></TD>
</TR>
</TABLE>
<P align="center"><FONT size="2">Page 5</FONT>
<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>




<P>
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2">&nbsp;</FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2">obtain necessary permits
and approvals from government authorities; weather and other natural phenomena; ability to maintain and further improve
positive labour relations; operating performance of the facilities;
success of planned development projects; and other development and
operating risks.</FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2">&nbsp;</FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2">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.</FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="1%" align="left" nowrap><FONT size="2"><B>ITEM 6 &#150;</B></FONT></TD>
        <TD width="3%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="96%"><FONT size="2"><B>Reliance on subsection 7.1(2) or (3)&nbsp;of National Instrument 51-102:</B></FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2">&nbsp;</FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2">None Applicable</FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="1%" align="left" nowrap><FONT size="2"><B>ITEM 7 &#150;</B></FONT></TD>
        <TD width="3%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="96%"><FONT size="2"><B>Omitted Information:</B></FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2">&nbsp;</FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2">None Applicable</FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="1%" align="left" nowrap><FONT size="2"><B>ITEM 8 &#150;</B></FONT></TD>
        <TD width="3%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="96%"><FONT size="2"><B>Executive Officer:</B></FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2">&nbsp;</FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2">Gary M.S. Chad<BR>
Senior Vice-President, Law, Regulatory Affairs and Corporate Secretary<BR>
Cameco Corporation<BR>
(306)&nbsp;956-6303</FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2">&nbsp;</FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2">The foregoing accurately discloses the material change referred to herein.</FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="1%" align="left" nowrap><FONT size="2"><B>ITEM 9 &#150;</B></FONT></TD>
        <TD width="3%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="96%"><FONT size="2"><B>Date of Report:</B></FONT></TD>
</TR>
<TR>
        <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR valign="top">
        <TD width="7%" align="left" nowrap><FONT size="2">&nbsp;</FONT></TD>
        <TD width="1%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="92%"><FONT size="2">April&nbsp;6, 2004.</FONT></TD>
</TR>
</TABLE>

<P align="center"><FONT size="2">Page 6</FONT>




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