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


<DIV align="center" style="font-size: 18pt; margin-top: 14pt"><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: 10pt; margin-top: 21pt">October&nbsp;23, 2008<BR>
<FONT style="font-size:8pt">(Date of earliest event reported)</FONT>

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


<DIV align="center" style="font-size: 24pt; margin-top: 14pt"><B>Potash Corporation of Saskatchewan Inc.</B>
</DIV>

<DIV align="center" style="font-size: 8pt">(Exact name of registrant as specified in its charter)</DIV>


<DIV align="center" style="margin-top: 12pt">
<TABLE style="font-size: 10pt" 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"><DIV style="margin-left:30px; text-indent:-15px"><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"><DIV style="margin-left:15px; text-indent:-15px"><FONT style="font-size:8pt">(State or other jurisdiction of incorporation)</FONT></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><FONT style="font-size:8pt">(Commission File Number)</FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><FONT style="font-size:8pt">(IRS Employer Identification No.)</FONT></TD>
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<DIV align="Center" style="font-size: 10pt; margin-top: 18pt">122 &#150; 1<SUP style="font-size: 85%; vertical-align: text-top">st</SUP> Avenue South<BR>
Saskatoon, Saskatchewan, Canada S7K 7G3<BR>
<FONT style="font-size:8pt">(Address of principal executive offices, including zip code)</FONT>

</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 18pt">306 / 933-8500<BR>
<FONT style="font-size:8pt">(Registrant&#146;s telephone number, including area code)</FONT>

</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 18pt"><B>Not Applicable</B><BR>
<FONT style="font-size:8pt">(Former name or former address, if changed since last report)</FONT>

</DIV>
<DIV align="left" style="font-size: 10pt; margin-top: 18pt">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.):
</DIV>


<DIV style="margin-top: 9pt">
<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="3%" nowrap align="left"><FONT face="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="3%" nowrap align="left"><FONT face="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="3%" nowrap align="left"><FONT face="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="3%" nowrap align="left"><FONT face="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: 4pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>





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<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;2.02</B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Results of Operations and Financial Condition</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;On October&nbsp;23, 2008, Potash Corporation of Saskatchewan Inc. issued a news release announcing
its financial results for the third quarter ended September&nbsp;30, 2008. A copy of the news release
is attached as Exhibit&nbsp;99.1.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The information contained in this current report shall not be deemed &#147;filed&#148; for purposes of
Section&nbsp;18 of the Securities Exchange Act of 1934, or incorporated by reference in any filing under
the Securities Act of 1933, or the Securities Exchange Act of 1934, except as shall be expressly
set forth by specific reference in any such filing.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 18pt"><B>Item&nbsp;9.01</B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Financial Statements and Exhibits</B>
</DIV>

<DIV align="center" style="margin-top: 3pt">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="10%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="85%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" 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>
<TR style="font-size: 3pt" valign="bottom">
    <TD>&nbsp;</TD>
</TR>
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<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="center"><DIV style="margin-left:15px; text-indent:-15px">99.1</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">News release, dated October 23, 2008, issued by Potash Corporation of Saskatchewan Inc.</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"><U><B>SIGNATURE</B></U>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 12pt">&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="42%">&nbsp;</TD>
    <TD width="8%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">&nbsp;<BR>
<B>POTASH CORPORATION OF SASKATCHEWAN INC.</B><BR>&nbsp;<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 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:&nbsp;&nbsp;October&nbsp;23, 2008
</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>Index to Exhibits</B>
</DIV>

<DIV align="center" style="margin-top: 6pt">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="85%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="10%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="85%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" 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>
<TR style="font-size: 3pt" valign="bottom">
    <TD>&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="center"><DIV style="margin-left:15px; text-indent:-15px">99.1</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">News release, dated October 23, 2008, issued by Potash Corporation of Saskatchewan Inc.</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
October 23, 2008
(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.)
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 2.02
Results of Operations and Financial Condition
On October 23, 2008, Potash Corporation of Saskatchewan Inc. issued a news release announcing
its financial results for the third quarter ended September 30, 2008. A copy of the news release
is attached as Exhibit 99.1.
The information contained in this current report shall not be deemed "filed" for purposes of
Section 18 of the Securities Exchange Act of 1934, or incorporated by reference in any filing under
the Securities Act of 1933, or the Securities Exchange Act of 1934, except as shall be expressly
set forth by specific reference in any such filing.
Item 9.01
Financial Statements and Exhibits
Exhibit Number
Exhibit Description
99.1
News release, dated October 23, 2008, issued by Potash Corporation of Saskatchewan Inc.
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:  October 23, 2008
Index to Exhibits
Exhibit Number
Exhibit Description
99.1
News release, dated October 23, 2008, issued by Potash Corporation of Saskatchewan Inc.