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

TULSA, Okla.–(BUSINESS WIRE)–Williams Partners L.P. (NYSE: WPZ) 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 Partners Investor Center. Upon request to its
Investor Relations department, Williams Partners will send a hard copy
of its complete audited financial statements to investors, free of
charge.

About Williams Partners

Williams Partners is an industry-leading, large-cap natural gas
infrastructure master limited partnership with a strong growth outlook
and major positions in key U.S. supply basins. Williams Partners has
operations across the natural gas value chain including gathering,
processing and interstate transportation of natural gas and natural gas
liquids. 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. Tulsa, Okla.-based
Williams (NYSE: WMB), a premier provider of large-scale U.S. natural gas
infrastructure, owns approximately 74 percent of Williams Partners.

Contacts

Williams Partners L.P.
Media Relations:
Keith Isbell,
918-573-7308
or
Investor Relations:
Brett Krieg,
918-573-4614