Williams Announces Filing of Its Annual Report on Form 10-K

TULSA, Okla.–(BUSINESS WIRE)–Williams (NYSE: WMB) has filed its Annual Report on Form 10-K for the
year ended Dec. 31, 2017, with the Securities and Exchange Commission.

A copy of the Annual Report on Form 10-K is available to be viewed or
downloaded at www.williams.com
within the Williams Investor Center. Upon request to its Investor
Relations department, Williams will send a hard copy of its complete
audited financial statements to investors, free of charge.

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 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 including
gathering, processing and interstate transportation of natural gas and
natural gas liquids. 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

Contacts

Williams
Media Contact:
Keith Isbell, 918-573-7308
or
Investor
Contact:
Brett Krieg, 918-573-4614