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<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, 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 8-K</B>
</DIV>


<DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B>CURRENT REPORT<BR>
Pursuant to Section&nbsp;13 or 15(d) of the Securities Exchange Act of 1934</B>
</DIV>


<DIV align="center" style="font-size: 12pt; margin-top: 12pt">November&nbsp;29, 2006
</DIV>

<DIV align="center" style="font-size: 10pt">(Date of earliest event reported)</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: 24pt; margin-top: 12pt"><B>Potash Corporation of Saskatchewan Inc.</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="30%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="30%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="30%">&nbsp;</TD>
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    <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>1-1035</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>Not Applicable</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV align="center" style="font-size: 10pt">(State or other jurisdiction of&nbsp;incorporation)
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><DIV align="center" style="font-size: 10pt">(Commission File Number)</DIV>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><DIV align="center" style="font-size: 10pt">(IRS Employer Identification&nbsp;No.)</DIV></TD>
</TR>
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</TABLE>
</DIV>

<DIV align="center" style="font-size: 12pt; margin-top: 12pt">Suite&nbsp;500, 122 &#150; 1<SUP style="font-size: 85%; vertical-align: text-top">st</SUP> Avenue South<BR>
Saskatoon, Saskatchewan, Canada S7K 7G3</DIV>

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


<DIV align="center" style="font-size: 12pt; margin-top: 12pt">(306) 933-8500
</DIV>

<DIV align="center" style="font-size: 10pt">(Registrant&#146;s telephone number, including area code)</DIV>



<DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B>Not Applicable</B>
</DIV>

<DIV align="center" style="font-size: 10pt">(Former name or former address, if changed since last report)</DIV>



<DIV align="left" style="font-size: 10pt; margin-top: 12pt">Check the appropriate box below if the Form&nbsp;8-K filing is intended to simultaneously satisfy
the filing obligation of the registrant under any of the following provisions (see General
Instruction A.2.):
</DIV>


<DIV style="margin-top: 12pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left"><FONT style="font-family: Wingdings">&#111;</FONT>&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Written communications pursuant to Rule&nbsp;425 under the Securities Act (17 CFR
230.425)</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left"><FONT style="font-family: Wingdings">&#111;</FONT>&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Soliciting material pursuant to Rule&nbsp;14a-12 under the Exchange Act (17 CFR
240.14a-12)</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left"><FONT style="font-family: Wingdings">&#111;</FONT>&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Pre-commencement communications pursuant to Rule&nbsp;14d-2(b) under the Exchange
Act (17 CFR 240.14d-2(b))</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left"><FONT style="font-family: Wingdings">&#111;</FONT>&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Pre-commencement communications pursuant to Rule&nbsp;13e-4(c) under the Exchange
Act (17 CFR 240.13e-4(c))</TD>
</TR>

</TABLE>
</DIV>

<DIV style="width: 100%; border-bottom: 1pt solid black; margin-top: 10pt; font-size: 1pt">&nbsp;</DIV>
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<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;8.01&nbsp;&nbsp;&nbsp;Other Events</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Potash Corporation of Saskatchewan Inc. is filing this Current Report on Form 8-K for the
purpose of filing its statement of computation of ratio of earnings to fixed charges as an exhibit
to its Registration Statement on Form S-3 (File No.&nbsp;333-89350). The statement of computation of
ratio of earnings to fixed charges is hereby incorporated into such Registration Statement by
reference.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;9.01&nbsp;&nbsp;&nbsp;Financial Statements and Exhibits</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="left" style="border-bottom: 1px solid #000000"><B>Exhibit Number</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left" style="border-bottom: 1px solid #000000"><B>Exhibit Description</B></TD>
</TR>

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<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">12
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Statement of computation of ratio of earnings to fixed charges.</TD>
</TR>
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</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
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<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B><U>SIGNATURE</U></B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;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, hereunto 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="40%">&nbsp;</TD>
    <TD width="10%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left"><B>POTASH CORPORATION OF SASKATCHEWAN&nbsp;INC.</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">/s/ Joseph Podwika
&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">Joseph Podwika&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">Senior Vice President, General Counsel and&nbsp;Secretary&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt">Dated:
November&nbsp;29, 2006
</DIV>


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<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>Index to Exhibits</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="left" style="border-bottom: 1px solid #000000"><B>Exhibit Number</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left" style="border-bottom: 1px solid #000000"><B>Exhibit Description</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">12
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Statement of computation of ratio of earnings to fixed charges.</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>



<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
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e8vk
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
November 29, 2006
(Date of earliest event reported)
Potash Corporation of Saskatchewan Inc.
(Exact name of registrant as specified in its charter)
Canada
1-1035
Not Applicable
(State or other jurisdiction of incorporation)
(Commission File Number)
(IRS Employer Identification No.)
Suite 500, 122 – 1
st
Avenue South
Saskatoon, Saskatchewan, Canada S7K 7G3
(Address of principal executive offices, including zip code)
(306) 933-8500
(Registrant's telephone number, including area code)
Not Applicable
(Former name or former address, if changed since last report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy
the filing obligation of the registrant under any of the following provisions (see General
Instruction A.2.):
o
Written communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425)
o
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
240.14a-12)
o
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange
Act (17 CFR 240.14d-2(b))
o
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange
Act (17 CFR 240.13e-4(c))
Item 8.01   Other Events
Potash Corporation of Saskatchewan Inc. is filing this Current Report on Form 8-K for the
purpose of filing its statement of computation of ratio of earnings to fixed charges as an exhibit
to its Registration Statement on Form S-3 (File No. 333-89350). The statement of computation of
ratio of earnings to fixed charges is hereby incorporated into such Registration Statement by
reference.
Item 9.01   Financial Statements and Exhibits
Exhibit Number
Exhibit Description
12
Statement of computation of ratio of earnings to fixed charges.
SIGNATURE
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, hereunto duly
authorized.
POTASH CORPORATION OF SASKATCHEWAN INC.
By:
/s/ Joseph Podwika
Name:
Joseph Podwika
Title:
Senior Vice President, General Counsel and Secretary
Dated:
November 29, 2006
Index to Exhibits
Exhibit Number
Exhibit Description
12
Statement of computation of ratio of earnings to fixed charges.