Williams Increases Dividend to $0.33875 Per Share; 4.2% Increase Over 4Q 2012, 30.9% Increase Over 1Q 2012

  Williams Increases Dividend to $0.33875 Per Share; 4.2% Increase Over 4Q
  2012, 30.9% Increase Over 1Q 2012

  *Company Continues to Expect 20% Annual Dividend Increases in 2013, 2014
    with Continued Strong Dividend Growth Beyond

Business Wire

TULSA, Okla. -- January 17, 2013

Williams’ (NYSE: WMB) board of directors has approved a regular dividend of
$0.33875 on the company’s common stock, payable March 25, 2013, to holders of
record at the close of business on March 8.

The first-quarter 2013 dividend is an increase of $0.01375, or 4.2 percent,
over the previous quarterly dividend of $0.325 per share. The new amount is an
increase of $0.08, or 30.9 percent, over the first-quarter 2012 dividend.

The increased dividend is consistent with the company’s previously announced
plan to increase its dividend more frequently – with increases every quarter.

The company continues to expect the full-year dividend it pays shareholders in
each 2013 and 2014 to increase by 20 percent – to $1.44 and $1.75 per share,
respectively. Williams’ full-year dividend for 2012 was $1.20 per share.

The expected quarterly increases in Williams’ dividend are subject to
quarterly approval of Williams’ board of directors.

Williams has paid a common stock dividend every quarter since 1974.

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.

Portions of this document may constitute “forward-looking statements” as
defined by federal law. Although the company 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 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