Williams, Williams Partners to Report Year-End 2012 Financial Results on Feb. 20

  Williams, Williams Partners to Report Year-End 2012 Financial Results on
  Feb. 20

Business Wire

TULSA, Okla. -- January 2, 2013

Williams (NYSE:WMB) and Williams Partners L.P. (NYSE:WPZ) plan to announce
their year-end 2012 financial results after the market closes on Wednesday,
Feb. 20.

The company and the partnership will host a joint Q&A live webcast on
Thursday, Feb. 21 at 9:30 a.m. EST. A limited number of phone lines will be
available at (888) 401-4690. International callers should dial (719) 325-2461.
A link to the live year-end webcast, as well as replays of the webcast in both
streaming and downloadable podcast formats will be available for two weeks
following the event at www.williams.com and www.williamslp.com.

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 believe 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 the
partnership’s annual reports filed with the Securities and Exchange


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