Williams CEO to Present at Jefferies 2012 Global Energy Conference

  Williams CEO to Present at Jefferies 2012 Global Energy Conference

Jefferies Global Energy Conference 2012

Business Wire

TULSA, Okla. -- November 27, 2012

Williams (NYSE:WMB) President and Chief Executive Officer Alan Armstrong is
scheduled to present at the Jefferies 2012 Global Energy Conference on
Thursday, Nov. 29 at approximately 11 a.m. EST.

Armstrong, who is also CEO of Williams Partners L.P.’s (NYSE:WPZ) general
partner, will be providing an update on Williams’ and Williams Partners’
businesses. Williams owns approximately 70 percent of Williams Partners.

The presentation, as well as a link to a live webcast of the event, will be
available at both www.williams.com and www.williamslp.com on the morning of
Nov. 29.

About Williams (NYSE: WMB)

Williams is one of the leading energy infrastructure companies in North
America. It owns interests in or operates 15,000 miles of interstate gas
pipelines, 1,000 miles of NGL transportation pipelines, and more than 10,000
miles of oil and gas gathering pipelines. The company’s facilities have daily
gas processing capacity of 6.6 billion cubic feet of natural gas and NGL
production of more than 200,000 barrels per day. Williams owns approximately
70 percent of Williams Partners L.P. (NYSE: WPZ), one of the largest
diversified energy master limited partnerships. Williams Partners owns most of
Williams’ interstate gas pipeline and domestic midstream assets.The company’s
headquarters is in Tulsa, Okla. For more information, visit www.williams.com,
where the company routinely posts important information.

About Williams Partners L.P. (NYSE: WPZ)

Williams Partners L.P. is a leading diversified master limited partnership
focused on natural gas transportation; gathering, treating, and processing;
storage; natural gas liquid (NGL) fractionation; and oil transportation. The
partnership owns interests in three major interstate natural gas pipelines
that, combined, deliver 14 percent of the natural gas consumed in the United
States. The partnership’s gathering and processing assets include large-scale
operations in the U.S. Rocky Mountains and both onshore and offshore along the
Gulf of Mexico. Williams (NYSE: WMB) owns approximately 70 percent of Williams
Partners, including the general-partner interest. More information is
available at www.williamslp.com, where the partnership routinely posts
important information.

Portions of this document may constitute “forward-looking statements” as
defined by federal law. Although the company and the partnership believes any
such statements are based on reasonable assumptions, there is no assurance
that actual outcomes will not be materially different. Any such statements are
made in reliance on the “safe harbor” protections provided under the Private
Securities Reform Act of 1995. Additional information about issues that could
lead to material changes in performance is contained in the company’s and
partnership’s annual reports filed with the Securities and Exchange
Commission.

Contact:

Williams
Media Contact:
Jeff Pounds, 918-573-3332
or
Investor Contacts:
John Porter, 918-573-0797
or
Sharna Reingold, 918-573-2078