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<TITLE>Form 8-K</TITLE>
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 <P STYLE="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&nbsp;</P>
<P STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P> <P STYLE="margin-top:4pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>UNITED STATES </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>SECURITIES AND EXCHANGE COMMISSION </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Washington, D.C. 20549 </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>FORM 8-K
</B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>CURRENT REPORT </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>PURSUANT
TO SECTION 13 OR 15 (d)</B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>OF THE SECURITIES EXCHANGE ACT OF 1934 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Date of report (Date of earliest event reported): November&nbsp;12, 2013 </B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:24pt; font-family:Times New Roman" ALIGN="center"><B>WILLIAMS PARTNERS L.P. </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(Exact name of registrant as specified in its charter) </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="top" ALIGN="center"><B>Delaware</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>1-32599</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>20-2485124</B></TD></TR>
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<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(State or Other Jurisdiction</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>of Incorporation)</B></P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Commission</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>File Number)</B></P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(I.R.S. Employer</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Identification No.)</B></P></TD></TR>
</TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="top" ALIGN="center"><B>One Williams Center, Tulsa, Oklahoma</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>74172-0172</B></TD></TR>
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<TD VALIGN="top" ALIGN="center"><B>(Address of Principal Executive Offices)</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>(Zip Code)</B></TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Registrant&#146;s Telephone Number, Including Area Code: (918)&nbsp;573-2000 </B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Check the appropriate box below if the Form 8-K is intended to simultaneously satisfy the filing obligation of the registrant under any of the following
provisions: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT STYLE="FONT-FAMILY:WINGDINGS">&#168;</FONT></TD>
<TD ALIGN="left" VALIGN="top">Written communications pursuant to Rule&nbsp;425 under the Securities Act (17 CFR 230.425) </TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT STYLE="FONT-FAMILY:WINGDINGS">&#168;</FONT></TD>
<TD ALIGN="left" VALIGN="top">Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) </TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR>
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT STYLE="FONT-FAMILY:WINGDINGS">&#168;</FONT></TD>
<TD ALIGN="left" VALIGN="top">Pre-commencement communications pursuant to Rule&nbsp;14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) </TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR>
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT STYLE="FONT-FAMILY:WINGDINGS">&#168;</FONT></TD>
<TD ALIGN="left" VALIGN="top">Pre-commencement communications pursuant to Rule&nbsp;13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) </TD></TR></TABLE> <P STYLE="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<P STYLE="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&nbsp;</P> <P STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Item&nbsp;7.01. Regulation FD Disclosure. </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">On November&nbsp;12, 2013, Williams Partners L.P. (the &#147;Partnership&#148;) issued a press release announcing that it had priced the
Offering (as defined below). A copy of the press release is furnished and attached as Exhibit 99.1 hereto and is incorporated herein by reference. The information furnished is not deemed &#147;filed&#148; for purposes of Section&nbsp;18 of the
Securities Exchange Act of 1934, as amended, is not subject to the liabilities of that section and is not deemed incorporated by reference in any filing under the Securities Act of 1933, as amended (the &#147;Securities Act&#148;). </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Item&nbsp;8.01. Other Events. </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">On
November&nbsp;12, 2013, the Partnership and Williams Partners GP LLC entered into an underwriting agreement (the &#147;Underwriting Agreement&#148;) with J.P. Morgan Securities LLC, Morgan Stanley&nbsp;&amp; Co. LLC and RBS Securities Inc., as
representatives of the underwriters named in Schedule 1 thereto, with respect to the offering and sale in an underwritten public offering (the &#147;Offering&#148;) by the Partnership of $600 million aggregate principal amount of its 4.500% Senior
Notes due 2023 (the &#147;2023 Notes&#148;) and $400 million aggregate principal amount of its 5.800% Senior Notes due 2043 (the &#147;2043 Notes&#148; and, collectively with the 2023 Notes, the &#147;Notes&#148;). The Underwriting Agreement is
filed as Exhibit 1.1 hereto. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">The Offering has been registered under the Securities Act pursuant to a registration statement on Form S-3
(Registration No.&nbsp;333-179471) of the Partnership (the &#147;Registration Statement&#148;), and the prospectus supplement dated November&nbsp;12, 2013 and filed with the Securities and Exchange Commission pursuant to Rule 424(b) of the
Securities Act on November&nbsp;13, 2013. The Offering is expected to close on November&nbsp;15, 2013. A legal opinion related to the Registration Statement is filed herewith as Exhibit 5.1. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">The Notes will be issued pursuant to an Indenture dated as of November&nbsp;9, 2010, between the Partnership and The Bank of New York Mellon
Trust Company, N.A. as trustee (the &#147;Trustee&#148;), as supplemented by the Fourth Supplemental Indenture (the &#147;Fourth Supplemental Indenture&#148;), to be dated November&nbsp;15, 2013, between the Partnership and the Trustee. The 2023
Notes and the 2043 Notes will each be represented by a global security, which are included as exhibits to the Fourth Supplemental Indenture. The form of Fourth Supplemental Indenture and the forms of the 2023 Notes and 2043 Notes are filed as
Exhibits to this Current Report on Form 8-K and are incorporated herein by reference. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Item&nbsp;9.01. Financial Statements and Exhibits. </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">(d) <I>Exhibits.</I> </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="bottom" NOWRAP ALIGN="center"> <P STYLE="border-bottom:1.00pt solid #000000; width:39.10pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Exhibit&nbsp;No.</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"> <P STYLE="border-bottom:1.00pt solid #000000; width:39.50pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Description</B></P></TD></TR>


<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&nbsp;&nbsp;1.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Underwriting Agreement, dated November 12, 2013, by and among Williams Partners L.P., Williams Partners GP LLC, and J.P. Morgan Securities LLC, Morgan Stanley &amp; Co. LLC, and RBS Securities Inc., as representatives of the
underwriters named in Schedule 1 thereto.</TD></TR>
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<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&nbsp;&nbsp;4.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Form of Fourth Supplemental Indenture, to be dated November 15, 2013, between Williams Partners L.P. and The Bank of New York Mellon Trust Company, N.A. as trustee.</TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&nbsp;&nbsp;4.2</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Form of 4.500% Senior Notes due 2023 (included in Exhibit 4.1).</TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&nbsp;&nbsp;4.3</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Form of 5.800% Senior Notes due 2043 (included in Exhibit 4.1).</TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&nbsp;&nbsp;5.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Opinion of Gibson, Dunn &amp; Crutcher LLP.</TD></TR>
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<TD VALIGN="top" NOWRAP>99.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Press release dated November 12, 2013.</TD></TR>
</TABLE>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>SIGNATURE </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">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-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV ALIGN="right">
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<TD VALIGN="top" COLSPAN="3">WILLIAMS PARTNERS L.P.</TD></TR>
<TR>
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom"><FONT STYLE="font-size:8pt">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Williams Partners GP LLC,</P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">its General
Partner</P></TD></TR>
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<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom"><FONT STYLE="font-size:8pt">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ Robert E. Riley, Jr.</P></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT STYLE="font-size:8pt">&nbsp;</FONT></TD>
<TD VALIGN="top">Robert E. Riley, Jr.</TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT STYLE="font-size:8pt">&nbsp;</FONT></TD>
<TD VALIGN="top">Assistant Secretary</TD></TR>
</TABLE></DIV> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">DATED: November&nbsp;14, 2013 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>EXHIBIT INDEX </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="bottom" NOWRAP ALIGN="center"> <P STYLE="border-bottom:1.00pt solid #000000; width:39.10pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Exhibit&nbsp;No.</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"> <P STYLE="border-bottom:1.00pt solid #000000; width:39.50pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Description</B></P></TD></TR>


<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&nbsp;&nbsp;1.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Underwriting Agreement, dated November 12, 2013, by and among Williams Partners L.P., Williams Partners GP LLC, and J.P. Morgan Securities LLC, Morgan Stanley &amp; Co. LLC, and RBS Securities Inc., as representatives of the
underwriters named in Schedule 1 thereto.</TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&nbsp;&nbsp;4.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Form of Fourth Supplemental Indenture, to be dated November 15, 2013, between Williams Partners L.P. and The Bank of New York Mellon Trust Company, N.A. as trustee.</TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&nbsp;&nbsp;4.2</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Form of 4.500% Senior Notes due 2023 (included in Exhibit 4.1).</TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&nbsp;&nbsp;4.3</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Form of 5.800% Senior Notes due 2043 (included in Exhibit 4.1).</TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&nbsp;&nbsp;5.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Opinion of Gibson, Dunn &amp; Crutcher LLP.</TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>99.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Press release dated November 12, 2013.</TD></TR>
</TABLE>
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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): November 12, 2013
WILLIAMS PARTNERS L.P.
(Exact name of registrant as specified in its charter)
Delaware
1-32599
20-2485124
(State or Other Jurisdiction
of Incorporation)
(Commission
File Number)
(I.R.S. Employer
Identification No.)
One Williams Center, Tulsa, Oklahoma
74172-0172
(Address of Principal Executive Offices)
(Zip Code)
Registrant's Telephone Number, Including Area Code: (918) 573-2000
Check the appropriate box below if the Form 8-K is intended to simultaneously satisfy the filing obligation of the registrant under any of the following
provisions:
¨
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 November 12, 2013, Williams Partners L.P. (the "Partnership") issued a press release announcing that it had priced the
Offering (as defined below). A copy of the press release is furnished and attached as Exhibit 99.1 hereto and is incorporated herein by reference. The information furnished is not deemed "filed" for purposes of Section 18 of the
Securities Exchange Act of 1934, as amended, is not subject to the liabilities of that section and is not deemed incorporated by reference in any filing under the Securities Act of 1933, as amended (the "Securities Act").
Item 8.01. Other Events.
On
November 12, 2013, the Partnership and Williams Partners GP LLC entered into an underwriting agreement (the "Underwriting Agreement") with J.P. Morgan Securities LLC, Morgan Stanley & Co. LLC and RBS Securities Inc., as
representatives of the underwriters named in Schedule 1 thereto, with respect to the offering and sale in an underwritten public offering (the "Offering") by the Partnership of $600 million aggregate principal amount of its 4.500% Senior
Notes due 2023 (the "2023 Notes") and $400 million aggregate principal amount of its 5.800% Senior Notes due 2043 (the "2043 Notes" and, collectively with the 2023 Notes, the "Notes"). The Underwriting Agreement is
filed as Exhibit 1.1 hereto.
The Offering has been registered under the Securities Act pursuant to a registration statement on Form S-3
(Registration No. 333-179471) of the Partnership (the "Registration Statement"), and the prospectus supplement dated November 12, 2013 and filed with the Securities and Exchange Commission pursuant to Rule 424(b) of the
Securities Act on November 13, 2013. The Offering is expected to close on November 15, 2013. A legal opinion related to the Registration Statement is filed herewith as Exhibit 5.1.
The Notes will be issued pursuant to an Indenture dated as of November 9, 2010, between the Partnership and The Bank of New York Mellon
Trust Company, N.A. as trustee (the "Trustee"), as supplemented by the Fourth Supplemental Indenture (the "Fourth Supplemental Indenture"), to be dated November 15, 2013, between the Partnership and the Trustee. The 2023
Notes and the 2043 Notes will each be represented by a global security, which are included as exhibits to the Fourth Supplemental Indenture. The form of Fourth Supplemental Indenture and the forms of the 2023 Notes and 2043 Notes are filed as
Exhibits to this Current Report on Form 8-K and are incorporated herein by reference.
Item 9.01. Financial Statements and Exhibits.
(d)
Exhibits.
Exhibit No.
Description
1.1
Underwriting Agreement, dated November 12, 2013, by and among Williams Partners L.P., Williams Partners GP LLC, and J.P. Morgan Securities LLC, Morgan Stanley & Co. LLC, and RBS Securities Inc., as representatives of the
underwriters named in Schedule 1 thereto.
4.1
Form of Fourth Supplemental Indenture, to be dated November 15, 2013, between Williams Partners L.P. and The Bank of New York Mellon Trust Company, N.A. as trustee.
4.2
Form of 4.500% Senior Notes due 2023 (included in Exhibit 4.1).
4.3
Form of 5.800% Senior Notes due 2043 (included in Exhibit 4.1).
5.1
Opinion of Gibson, Dunn & Crutcher LLP.
99.1
Press release dated November 12, 2013.
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.
WILLIAMS PARTNERS L.P.
By:
Williams Partners GP LLC,
its General
Partner
By:
/s/ Robert E. Riley, Jr.
Robert E. Riley, Jr.
Assistant Secretary
DATED: November 14, 2013
EXHIBIT INDEX
Exhibit No.
Description
1.1
Underwriting Agreement, dated November 12, 2013, by and among Williams Partners L.P., Williams Partners GP LLC, and J.P. Morgan Securities LLC, Morgan Stanley & Co. LLC, and RBS Securities Inc., as representatives of the
underwriters named in Schedule 1 thereto.
4.1
Form of Fourth Supplemental Indenture, to be dated November 15, 2013, between Williams Partners L.P. and The Bank of New York Mellon Trust Company, N.A. as trustee.
4.2
Form of 4.500% Senior Notes due 2023 (included in Exhibit 4.1).
4.3
Form of 5.800% Senior Notes due 2043 (included in Exhibit 4.1).
5.1
Opinion of Gibson, Dunn & Crutcher LLP.
99.1
Press release dated November 12, 2013.