Williams, Williams Partners to Report Year-End 2016 Financial Results on Feb. 15

Williams (NYSE: WMB) and Williams Partners (NYSE: WPZ) plan to announce their year-end 2016 financial results after the market closes on Wednesday, Feb. 15.

The company and the partnership will host a joint Q&A live webcast on Thursday, Feb. 16 at 9:30 a.m. EST. A limited number of phone lines will be available at [phone]. International callers should dial [phone]. The conference ID is 7387877.

A link to the webcast, as well as replays of the webcast will be available for two weeks following the event at www.williams.com.

About Williams & Williams Partners

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 74 percent of Williams Partners L.P. (NYSE: WPZ). 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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WilliamsMedia Contact:Keith Isbell, 918-573-7308orInvestor Contacts:John Porter, 918-573-0797orBrett Krieg, 918-573-4614