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<P style="font-size: 14pt" align="center"><B>UNITED STATES<BR>
SECURITIES AND
EXCHANGE COMMISSION<BR>
<FONT style="font-size: 12pt">Washington, D.C. 20549
</FONT></B>

<P style="font-size: 18pt" align="center"><B>FORM 8-K</B>

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

<P style="font-size: 10pt" align="center"><B>Date of Report (Date of earliest
event reported): April 2, 2009</B>


<P style="font-size: 24pt" align="center"><B>NICOR INC.<BR>
</B><FONT
style="font-size: 10pt">(Exact name of registrant as specified in its charter)
</FONT>
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cellpadding="0" width="100%" border="0">

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  <TD width="32%">&nbsp;</TD>
  <TD width="1%">&nbsp;</TD>
  <TD width="33%">&nbsp;</TD>
  <TD width="1%">&nbsp;</TD>
  <TD width="32%">&nbsp;</TD>
 </TR>
 <TR valign="bottom">
  <TD style="border-bottom: #000000 1px solid"><B>Illinois</B></TD>
  <TD>&nbsp;</TD>
  <TD style="border-bottom: #000000 1px solid"><B>1-7297</B></TD>
  <TD>&nbsp;</TD>
  <TD style="border-bottom: #000000 1px solid"><B>36-2855175</B></TD>
 </TR>
 <TR valign="top">
  <TD>(State or other Jurisdiction of Incorporation)</TD>
  <TD>&nbsp;</TD>
  <TD>(Commission File Number)</TD>
  <TD>&nbsp;</TD>
  <TD>(IRS Employer Identification No.)</TD>
 </TR>

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cellpadding="0" width="100%" border="0">

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  <TD width="49%">&nbsp;</TD>
  <TD width="1%">&nbsp;</TD>
  <TD width="49%">&nbsp;</TD>
 </TR>
 <TR valign="bottom">
  <TD style="border-bottom: #000000 1px solid"><B>1844 Ferry
Road<BR>
Naperville, Illinois <BR>
</B></TD>
  <TD>&nbsp;</TD>
  <TD style="border-bottom: #000000 1px solid"><B>60563-9600</B></TD>
 </TR>
 <TR valign="top">
  <TD>(Address of Principal Executive Offices)</TD>
  <TD>&nbsp;</TD>
  <TD>(Zip Code)</TD>
 </TR>

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<P style="font-size: 10pt" align="center">Registrant&#8217;s telephone number,
including area code: <B>(630) 305-9500</B>
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cellpadding="0" width="30%" border="0">

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 <TR>
  <TD style="border-bottom: #000000 1px solid" nowrap><B>&nbsp;</B></TD>
 </TR>
 <TR>
  <TD nowrap>(Former name or former address if changed since last report.)</TD>
 </TR>

</TABLE>


<P style="font-size: 10pt" align="left">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:

<P style="font-size: 10pt" align="left"><FONT face="Wingdings">o</FONT> Written
communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425)<BR>
<BR>
<FONT face="Wingdings">o</FONT> Soliciting material pursuant
to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)<BR>
<BR>
<FONT
face="Wingdings">o</FONT> Pre-commencement communications pursuant to Rule
14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))<BR>
<BR>
<FONT
face="Wingdings">o</FONT> Pre-commencement communications pursuant to Rule
13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))<BR>


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

<P style="display: none; font-size: 10pt" align="center">1
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<P style="font-size: 10pt" align="right"><U><B>Page 1</B></U>

<P style="font-size: 10pt" align="left"><U><B>Item&nbsp;7.01</B></U>
<U><B>Regulation&nbsp;FD Disclosure.</B></U>

<P style="font-size: 10pt" align="left">On April 2 and April&nbsp;3, 2009,
Nicor Inc. will present to security analysts objectives and strategies for
building shareholder value and will provide an update of recent developments.
The company is furnishing this Form 8-K to give broad disclosure to such
information.

<P style="font-size: 10pt" align="left"><U><B>Item&nbsp;9.01</B></U>
<U><B>Financial Statements and Exhibits.</B></U>

<P style="font-size: 10pt" align="left">(c)&nbsp;Exhibits
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<DIV style="margin-left: 0px; text-indent: 0px">Exhibit<BR>
Number </DIV>
</TD>
  <TD>&nbsp;</TD>
  <TD valign="top" align="left"><BR>
Description</TD>
 </TR>
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<DIV style="margin-left: 0px; text-indent: 0px">&nbsp;</DIV>
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align="left">&nbsp;</TD>
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  <TD valign="top">
<DIV style="margin-left: 0px; text-indent: 0px">99.1 </DIV>
</TD>
  <TD>&nbsp;</TD>
  <TD valign="top" align="left">Analyst Presentations of April 2 and
April&nbsp;3, 2009.</TD>
 </TR>
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</DIV>

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

<P style="display: none; font-size: 10pt" align="center">2
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<P style="font-size: 10pt" align="right"><U><B>Page 2</B></U>

<P style="font-size: 10pt" align="left"><U><B>Signature</B></U>

<P style="font-size: 10pt" align="left">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.

<P style="font-size: 10pt; margin-left: 46%" align="left">Nicor Inc.

<P style="font-size: 10pt" align="left">Date <U>April&nbsp;2,
2009&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>

<P style="margin-top: -11pt; font-size: 10pt; margin-left: 46%"
align="left"><U><B>/</B>s/ KAREN K.
PEPPING&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</U><BR>
Karen K. Pepping <BR>
Vice President and Controller

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

<P style="display: none; font-size: 10pt" align="center">3
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<P style="font-size: 10pt" align="right"><U><B>Page 3</B></U>

<P style="font-size: 10pt" align="center"><U><B>Exhibit&nbsp;Index</B></U>
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 <TR valign="bottom">
  <TD valign="top">
<DIV style="margin-left: 0px; text-indent: 0px">Exhibit<BR>
Number </DIV>
</TD>
  <TD>&nbsp;</TD>
  <TD valign="top" align="center"><BR>
Description of Document</TD>
 </TR>
 <TR style="font-size: 1px">
  <TD style="border-top: #000000 1px solid" valign="top">
<DIV style="margin-left: 0px; text-indent: 0px">&nbsp;</DIV>
</TD>
  <TD>&nbsp;</TD>
  <TD style="border-top: #000000 1px solid" valign="top"
align="left">&nbsp;</TD>
 </TR>
 <TR valign="bottom">
  <TD valign="top">
<DIV style="margin-left: 0px; text-indent: 0px">99.1 </DIV>
</TD>
  <TD>&nbsp;</TD>
  <TD valign="top" align="left">Analyst Presentations of April 2 and
April&nbsp;3, 2009.</TD>
 </TR>
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</TABLE>
</DIV>




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

<P style="display: none; font-size: 10pt" align="center">4
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Form 8-K
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
Date of Report (Date of earliest
event reported): April 2, 2009
NICOR INC.
(Exact name of registrant as specified in its charter)
Illinois
1-7297
36-2855175
(State or other Jurisdiction of Incorporation)
(Commission File Number)
(IRS Employer Identification No.)
1844 Ferry
Road
Naperville, Illinois
60563-9600
(Address of Principal Executive Offices)
(Zip Code)
Registrant's telephone number,
including area code:
(630) 305-9500
(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:
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))
Page 1
Item 7.01
Regulation FD Disclosure.
On April 2 and April 3, 2009,
Nicor Inc. will present to security analysts objectives and strategies for
building shareholder value and will provide an update of recent developments.
The company is furnishing this Form 8-K to give broad disclosure to such
information.
Item 9.01
Financial Statements and Exhibits.
(c) Exhibits
Exhibit
Number
Description
99.1
Analyst Presentations of April 2 and
April 3, 2009.
Page 2
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.
Nicor Inc.
Date
April 2,
2009
/
s/ KAREN K.
PEPPING
Karen K. Pepping
Vice President and Controller
Page 3
Exhibit Index
Exhibit
Number
Description of Document
99.1
Analyst Presentations of April 2 and
April 3, 2009.