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

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

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

<P align="center" style="font-size: 10pt"><B>Date of Report (Date of earliest event reported): May 4, 2009</B>

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<P align="center" style="font-size: 24pt"><B>NICOR INC.<BR></B>
<FONT style="font-size: 10pt">(Exact name of registrant as specified in its charter)
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    <TD style="border-bottom: 1px solid #000000"><B>Illinois</B></TD>
    <TD>&nbsp;</TD>
    <TD style="border-bottom: 1px solid #000000"><B>1-7297</B></TD>
    <TD>&nbsp;</TD>
    <TD style="border-bottom: 1px solid #000000"><B>36-2855175</B></TD>
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<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>
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    <TD width="49%">&nbsp;</TD>
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    <TD width="49%">&nbsp;</TD>
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    <TD style="border-bottom: 1px solid #000000"><B>1844 Ferry Road<BR>Naperville, Illinois <BR></B></TD>
    <TD>&nbsp;</TD>
    <TD style="border-bottom: 1px solid #000000"><B>60563-9600</B></TD>
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<TR valign="top">
    <TD>(Address of Principal Executive Offices)</TD>
    <TD>&nbsp;</TD>
    <TD>(Zip Code)</TD>
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<P align="center" style="font-size: 10pt">Registrant&#146;s telephone number, including area code: <B>(630) 305-9500</B>


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    <TD nowrap>(Former name or former address if changed since last report.)</TD>
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<P align="left" style="font-size: 10pt">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 align="left" style="font-size: 10pt">
<FONT face="Wingdings">&#111;</FONT> Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)<BR><BR>
<FONT face="Wingdings">&#111;</FONT> Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)<BR><BR>
<FONT face="Wingdings">&#111;</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">&#111;</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 align="center" style="font-size: 10pt; display: none">1
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<P align="left" style="font-size: 10pt"><U><B>Item&nbsp;7.01</B></U> <U><B>Regulation&nbsp;FD Disclosure.</B></U>


<P align="left" style="font-size: 10pt">On May&nbsp;4, 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 align="left" style="font-size: 10pt"><U><B>Item&nbsp;9.01</B></U> <U><B>Financial Statements and Exhibits.</B></U>


<P align="left" style="font-size: 10pt">(c)&nbsp;Exhibits

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    <TD>&nbsp;</TD>

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    <TD nowrap align="left" style="border-bottom: 1px solid #000000">Number</TD>
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    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">99.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Analyst Presentations of May&nbsp;4, 2009.</TD>
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<P align="center" style="font-size: 10pt">2
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<P align="center" style="font-size: 10pt; display: none">2
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<P align="left" style="font-size: 10pt"><U><B>Signature</B></U>


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

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    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">
&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Nicor Inc.</TD>
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    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"></TD>
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    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Date &nbsp;<u>&nbsp;&nbsp;May&nbsp;4, 2009&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>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">/s/ KAREN K. PEPPING</TD>
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    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">
&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Karen K. Pepping</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">
&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Vice President and Controller</TD>
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<P align="center" style="font-size: 10pt">3
<P align="center" style="font-size: 10pt">&nbsp;

<P align="center" style="font-size: 10pt; display: none">3
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<P align="left" style="font-size: 10pt"><U><B>Exhibit&nbsp;Index</B></U>

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    <TD width="84%">&nbsp;</TD>
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    <TD nowrap align="left">Exhibit</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
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<TR style="font-size: 10pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">Number</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Description</TD>
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<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">99.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Analyst Presentations of May&nbsp;4, 2009.</TD>
</TR>
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<P align="center" style="font-size: 10pt">4
<P align="center" style="font-size: 10pt">&nbsp;

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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): May 4, 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))
Item 7.01
Regulation FD Disclosure.
On May 4, 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 May 4, 2009.
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
May 4, 2009
/s/ KAREN K. PEPPING
Karen K. Pepping
Vice President and Controller
3
Exhibit Index
Exhibit
Number
Description
99.1
Analyst Presentations of May 4, 2009.
4