Williams, Williams Partners Provide Conference Call Information for Year-End 2015 Financial Results

Williams (NYSE: WMB) and Williams Partners L.P. (NYSE: WPZ) plan to announce their year-end 2015 financial results after the market closes on Wednesday, Feb. 17, 2016.

The company and the partnership will jointly host a conference call and live webcast on Thursday, Feb. 18, at 9:30 a.m. EST. A limited number of phone lines will be available at [phone]. International callers should dial [phone]. A link to the webcast, as well as replays of the webcast in both streaming and downloadable podcast formats, will be available following the event at www.williams.com.

About Williams

Williams (NYSE: WMB) is a premier provider of large-scale infrastructure connecting North American 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 and also in Canada, 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 reports filed with the Securities and Exchange Commission.

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WilliamsMedia Contact:Tom Droege, 918-573-4034orInvestor Contacts:John Porter, 918-573-0797orBrett Krieg, 918-573-4614