Williams Announces 2017 Annual Meeting Date

2016 Annual Meeting to be Held Nov. 23, 2016

The Williams Companies, Inc. (NYSE: WMB) (“Williams” or the “Company”) today announced that the Company’s 2017 Annual Meeting of Stockholders (the “2017 Annual Meeting”) is scheduled for May 18, 2017. In scheduling the date of the 2017 Annual Meeting and related deadlines, the Company is re-establishing a schedule consistent with its historical practice.

For the 2017 Annual Meeting, the deadline for timely submitting stockholder proposals made pursuant to Rule 14a-8 under the Securities and Exchange Act of 1934 is the close of business on Dec. 10, 2016. The window for timely notice of other business to be brought before the 2017 Annual Meeting (including nominations for election to the Board of Directors) is Jan. 19 through Feb. 18, 2017.

As previously announced, Williams’ 2016 Annual Meeting is scheduled for Wednesday, Nov. 23, 2016 beginning at 8:00 a.m. CST in the Williams Theater at the Company’s headquarters in Tulsa, Okla.

About Williams

Williams (NYSE: WMB) is a premier provider of large-scale infrastructure connecting U.S. natural gas and natural gas products to growing demand for cleaner fuel and feedstocks. Headquartered in Tulsa, Okla., Williams owns approximately 60 percent of Williams Partners L.P. (NYSE: WPZ), including all of the 2 percent general-partner interest. Williams Partners is an industry-leading, large-cap master limited partnership with operations across the natural gas value chain from gathering, processing and interstate transportation of natural gas and natural gas liquids to petchem production of ethylene, propylene and other olefins. With major positions in top U.S. supply basins, Williams Partners owns and operates more than 33,000 miles of pipelines system wide – including the nation’s largest volume and fastest growing pipeline – providing natural gas for clean-power generation, heating and industrial use. Williams Partners’ operations touch approximately 30 percent of U.S. natural gas. www.williams.com

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 and quarterly reports filed with the Securities and Exchange Commission.

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The Williams Companies, Inc.Media Contact:Keith Isbell, 918-573-7308orInvestor Contacts:John Porter, 918-573-0797orBrett Krieg, 918-573-4614