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<!-- Field: Rule-Page --><DIV ALIGN="LEFT" STYLE="margin-top: 12pt; margin-bottom: 3pt"><DIV STYLE="font-size: 1pt; border-top: Black 2pt solid; border-bottom: Black 1pt solid; width: 100%">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">UNITED STATES</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">SECURITIES AND EXCHANGE COMMISSION</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">Washington, D.C. 20549</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">FORM 8-K</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">CURRENT REPORT</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">PURSUANT TO SECTION 13 or 15(d)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">OF THE SECURITIES EXCHANGE ACT OF 1934</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">Date of Report (Date of earliest event reported):
October 2, 2013</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><IMG SRC="image_001.jpg" ALT="" STYLE="height: 64.5pt; width: 157.5pt"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">(Exact name of registrant as specified in its
charter)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
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    <td style="width: 51%; padding-right: 5.4pt; padding-left: 5.4pt"><font style="font: 10pt Times New Roman, Times, Serif"><u>Connecticut </u></font></td>
    <td style="width: 22%; padding-right: 5.4pt; padding-left: 5.4pt"><font style="font: 10pt Times New Roman, Times, Serif"><u>1-15052</u></font></td>
    <td style="width: 27%; padding-right: 5.4pt; padding-left: 5.4pt"><font style="font: 10pt Times New Roman, Times, Serif"><u>06-1541045</u></font></td></tr>
<tr style="vertical-align: top">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt"><font style="font: 10pt Times New Roman, Times, Serif">(State or other jurisdiction</font></td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt"><font style="font: 10pt Times New Roman, Times, Serif">(Commission</font></td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt"><font style="font: 10pt Times New Roman, Times, Serif">(IRS Employer</font></td></tr>
<tr style="vertical-align: top">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt"><font style="font: 10pt Times New Roman, Times, Serif">of Incorporation)</font></td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt"><font style="font: 10pt Times New Roman, Times, Serif">File Number)</font></td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt"><font style="font: 10pt Times New Roman, Times, Serif">Identification No.)</font></td></tr>
<tr style="vertical-align: top">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt"></td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt"></td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt"></td></tr>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<tr style="vertical-align: top">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt"><font style="font: 10pt Times New Roman, Times, Serif"><u>157 Church Street, New Haven, Connecticut</u></font></td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt"><font style="font: 10pt Times New Roman, Times, Serif">&nbsp;</font></td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt"><font style="font: 10pt Times New Roman, Times, Serif"><u>06506</u></font></td></tr>
<tr style="vertical-align: top">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt"><font style="font: 10pt Times New Roman, Times, Serif">(Address of principal executive offices)</font></td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt"></td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt"><font style="font: 10pt Times New Roman, Times, Serif">(Zip Code)</font></td></tr>
<tr style="vertical-align: top">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt"></td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt"></td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt"></td></tr>
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    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<tr style="vertical-align: top">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt"><font style="font: 10pt Times New Roman, Times, Serif">Registrant&rsquo;s Telephone Number, </font></td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt"></td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt"></td></tr>
<tr style="vertical-align: top">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt"><font style="font: 10pt Times New Roman, Times, Serif"><u>Including Area Code</u></font></td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt"></td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt"><font style="font: 10pt Times New Roman, Times, Serif"><u>(203) 499-2000</u></font></td></tr>
</table>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<tr style="vertical-align: top">
    <td style="width: 100%; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><font style="font: 10pt Times New Roman, Times, Serif">Not Applicable</font></td></tr>
<tr style="vertical-align: top">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><font style="font: 10pt Times New Roman, Times, Serif">(Former name or former address, if changed since last report)</font></td></tr>
</table>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">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 (<I>see</I> General Instruction
A.2. below):</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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<TD STYLE="width: 15pt; text-align: left; vertical-align: top"><FONT STYLE="font-family: Wingdings 2">&pound;</FONT></TD><TD STYLE="width: 5pt"></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif">Written communications pursuant
to Rule 425 under the Securities Act (17 CFR 230.425)</FONT></TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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<TD STYLE="width: 15pt; text-align: left; vertical-align: top"><FONT STYLE="font-family: Wingdings 2">&pound;</FONT></TD><TD STYLE="width: 5pt"></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif">Soliciting material pursuant
to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</FONT></TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 15pt; text-align: left; vertical-align: top"><FONT STYLE="font-family: Wingdings 2">&pound;</FONT></TD><TD STYLE="width: 5pt"></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif">Pre-commencement communications
pursuant to Rule 14d-2(b) under the Exchange Act (17 &#9;CFR 240.14d-2(b))</FONT></TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 15pt; text-align: left; vertical-align: top"><FONT STYLE="font-family: Wingdings 2">&pound;</FONT></TD><TD STYLE="width: 5pt"></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif">Pre-commencement communications
pursuant to Rule 13e-4(c) under the Exchange Act &#9;(17 CFR 240.13e-4(c))</FONT></TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif"></FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item&nbsp;7.01 Regulation&nbsp;FD Disclosure</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">On October 2, 2013, UIL Holdings Corporation
(the &ldquo;Registrant&rdquo;) issued a press release announcing that the underwriters of its public offering of common stock exercised
their over-allotment option to purchase an additional 750,000 common shares. The option was granted in connection with the Registrant&rsquo;s
public offering of 5,000,000 common shares, which priced on September 26, 2013, at a public offering price of $37.25 per share,
and closed on October 2, 2013. A copy of the press release is attached hereto as Exhibit 99.1.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">The Registrant is furnishing the information
in this Item&nbsp;7.01 and in Exhibit&nbsp;99.1 to comply with Regulation&nbsp;FD. Such information, including Exhibit&nbsp;99.1,
shall not be deemed &ldquo;filed&rdquo; for any purpose, including for the purposes of Section&nbsp;18 of the Securities Exchange
Act of 1934, as amended (the &ldquo;Exchange Act&rdquo;), or otherwise subject to the liabilities of that Section. The information
in this Item&nbsp;7.01, including Exhibit&nbsp;99.1, shall not be deemed incorporated by reference into any filing under the Securities
Act of 1933 as amended, or the Exchange Act, regardless of any general incorporation language in such filings.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item&nbsp;9.01 Financial Statements and Exhibits</B></P>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%">
<tr style="vertical-align: bottom">
    <td style="width: 4%"></td>
    <td style="width: 1%"></td>
    <td style="width: 95%"></td></tr>
<tr>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td></tr>
<tr>
    <td style="vertical-align: top"><font style="font: 10pt Times New Roman, Times, Serif">(d) </font></td>
    <td style="vertical-align: bottom"></td>
    <td style="vertical-align: top; text-align: justify"><font style="font: 10pt Times New Roman, Times, Serif">Exhibits: The following exhibit is furnished as part of this report:</font></td></tr>
<tr>
    <td style="vertical-align: top"></td>
    <td style="vertical-align: bottom"></td>
    <td style="vertical-align: top; text-align: justify"></td></tr>
<TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: justify">&nbsp;</TD></TR>
<tr>
    <td style="vertical-align: top"></td>
    <td style="vertical-align: bottom"></td>
    <td style="vertical-align: top; text-align: justify"><font style="font: 10pt Times New Roman, Times, Serif"><u>Exhibit&nbsp;Description</u></font></td></tr>
<tr>
    <td style="vertical-align: top"></td>
    <td style="vertical-align: bottom"></td>
    <td style="vertical-align: top; text-align: justify"></td></tr>
<TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: justify">&nbsp;</TD></TR>
<tr>
    <td style="vertical-align: top"><font style="font: 10pt Times New Roman, Times, Serif">99.1 </font></td>
    <td style="vertical-align: bottom"></td>
    <td style="vertical-align: top; text-align: justify"><font style="font: 10pt Times New Roman, Times, Serif">Press release issued by UIL Holdings Corporation on October 2, 2013</font></td></tr>
</table>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 10pt"><B><I>&nbsp;</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 10pt"><B><I>Forward-Looking Statements</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 10pt; text-align: justify"><I>Certain statements contained herein,
regarding matters that are not historical facts, are forward-looking statements (as defined in the Private Securities Litigation
Reform Act of 1995). These include statements regarding management&rsquo;s intentions, plans, beliefs, expectations or forecasts
for the future. Such forward-looking statements are based on management&rsquo;s expectations and involve risks and uncertainties;
consequently, actual results may differ materially from those expressed or implied in the statements. Such risks and uncertainties
include, but are not limited to, general economic conditions, legislative and regulatory changes, changes in demand for electricity,
gas and other products and services, unanticipated weather conditions, changes in accounting principles, policies or guidelines,
and other economic, competitive, governmental, and technological factors affecting the operations, markets, products and services
of UIL Holdings&rsquo; subsidiaries, The United Illuminating Company, The Southern Connecticut Gas Company, Connecticut Natural
Gas Corporation and The Berkshire Gas Company. The foregoing and other factors are discussed and should be reviewed in our most
recent Annual Report on Form 10-K for the year ended December 31, 2012, as amended, and other subsequent filings with the Securities
and Exchange Commission. Forward-looking statements included herein speak only as of the date hereof and we undertake no obligation
to revise or update such statements to reflect events or circumstances after the date hereof or to reflect the occurrence of unanticipated
events or circumstances.</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 10pt; text-align: justify"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 10pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">SIGNATURES</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">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>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

<TABLE BORDER="0" CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">UIL HOLDINGS CORPORATION<BR>Registrant</FONT></TD></TR>
<TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; width: 50%">Date: October 2, 2013</TD>
    <TD STYLE="width: 4%">By:&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 46%">/s/ Richard J. Nicholas</TD></TR>
<TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-top: #000000 1px solid">Richard J. Nicholas<BR>Executive Vice President and <BR>Chief Financial Officer</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: 0pt; margin-top: 0pt; margin-bottom: 6pt">&nbsp;</P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

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    <!-- Field: /Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;&nbsp;</P>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%">
<tr>
    <td style="width: 48%"></td>
    <td style="width: 1%"></td>
    <td style="width: 1%"></td>
    <td style="width: 35%"></td>
    <td style="width: 15%"></td></tr>
</table>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B><U>Exhibit&nbsp;Index</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%">
<tr style="vertical-align: bottom">
    <td style="width: 8%"></td>
    <td style="width: 1%"></td>
    <td style="width: 91%"></td></tr>
<tr style="vertical-align: bottom">
    <td nowrap style="border-bottom: black 1pt solid"><font style="font: 10pt Times New Roman, Times, Serif"><b>Exhibit</b></font></td>
    <td></td>
    <td nowrap style="border-bottom: black 1pt solid"><font style="font: 10pt Times New Roman, Times, Serif"><b>Description</b></font></td></tr>
<tr>
    <td style="vertical-align: top"></td>
    <td style="vertical-align: bottom"></td>
    <td style="vertical-align: top"></td></tr>
<tr>
    <td style="vertical-align: top"><font style="font: 10pt Times New Roman, Times, Serif">99.1 </font></td>
    <td style="vertical-align: bottom"></td>
    <td style="vertical-align: top"><font style="font: 10pt Times New Roman, Times, Serif">Press release issued by UIL Holdings Corporation on October 2, 2013</font></td></tr>
</table>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 10pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 10pt"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 10pt">&nbsp;</P>



<P STYLE="margin: 0"></P>

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{"company-data": {"conformed-name": "UIL HOLDINGS CORP", "cik": "0001082510", "assigned-sic": "4911", "irs-number": "061541045", "state-of-incorporation": "CT", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-15052", "film-number": "131128869"}, "business-address": {"street1": "157 CHURCH ST", "city": "NEW HAVEN", "state": "CT", "zip": "06510", "phone": "2034992000"}, "mail-address": {"street1": "157 CHURCH ST", "city": "NEW HAVEN", "state": "CT", "zip": "06510"}}
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):
October 2, 2013
(Exact name of registrant as specified in its
charter)
Connecticut
1-15052
06-1541045
(State or other jurisdiction
(Commission
(IRS Employer
of Incorporation)
File Number)
Identification No.)
157 Church Street, New Haven, Connecticut
06506
(Address of principal executive offices)
(Zip Code)
Registrant's Telephone Number,
Including Area Code
(203) 499-2000
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. below):
£
Written communications pursuant
to Rule 425 under the Securities Act (17 CFR 230.425)
£
Soliciting material pursuant
to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
£
Pre-commencement communications
pursuant to Rule 14d-2(b) under the Exchange Act (17 	CFR 240.14d-2(b))
£
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 October 2, 2013, UIL Holdings Corporation
(the "Registrant") issued a press release announcing that the underwriters of its public offering of common stock exercised
their over-allotment option to purchase an additional 750,000 common shares. The option was granted in connection with the Registrant's
public offering of 5,000,000 common shares, which priced on September 26, 2013, at a public offering price of $37.25 per share,
and closed on October 2, 2013. A copy of the press release is attached hereto as Exhibit 99.1.
The Registrant is furnishing the information
in this Item 7.01 and in Exhibit 99.1 to comply with Regulation FD. Such information, including Exhibit 99.1,
shall not be deemed "filed" for any purpose, including for the purposes of Section 18 of the Securities Exchange
Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that Section. The information
in this Item 7.01, including Exhibit 99.1, shall not be deemed incorporated by reference into any filing under the Securities
Act of 1933 as amended, or the Exchange Act, regardless of any general incorporation language in such filings.
Item 9.01 Financial Statements and Exhibits
(d)
Exhibits: The following exhibit is furnished as part of this report:
Exhibit Description
99.1
Press release issued by UIL Holdings Corporation on October 2, 2013
Forward-Looking Statements
Certain statements contained herein,
regarding matters that are not historical facts, are forward-looking statements (as defined in the Private Securities Litigation
Reform Act of 1995). These include statements regarding management's intentions, plans, beliefs, expectations or forecasts
for the future. Such forward-looking statements are based on management's expectations and involve risks and uncertainties;
consequently, actual results may differ materially from those expressed or implied in the statements. Such risks and uncertainties
include, but are not limited to, general economic conditions, legislative and regulatory changes, changes in demand for electricity,
gas and other products and services, unanticipated weather conditions, changes in accounting principles, policies or guidelines,
and other economic, competitive, governmental, and technological factors affecting the operations, markets, products and services
of UIL Holdings' subsidiaries, The United Illuminating Company, The Southern Connecticut Gas Company, Connecticut Natural
Gas Corporation and The Berkshire Gas Company. The foregoing and other factors are discussed and should be reviewed in our most
recent Annual Report on Form 10-K for the year ended December 31, 2012, as amended, and other subsequent filings with the Securities
and Exchange Commission. Forward-looking statements included herein speak only as of the date hereof and we undertake no obligation
to revise or update such statements to reflect events or circumstances after the date hereof or to reflect the occurrence of unanticipated
events or circumstances.
SIGNATURES
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.
UIL HOLDINGS CORPORATION
Registrant
Date: October 2, 2013
By:
/s/ Richard J. Nicholas
Richard J. Nicholas
Executive Vice President and
Chief Financial Officer
Exhibit Index
Exhibit
Description
99.1
Press release issued by UIL Holdings Corporation on October 2, 2013