Williams Delays Third-Quarter Financial Results Due to Financial Market Disruptions Caused by Hurricane Sandy

• Company Reports No Major Operational Impact from Storm

TULSA, Okla.--(BUSINESS WIRE)--Williams (NYSE:WMB) announced today that the company is delaying issuing its third-quarter 2012 financial results and subsequent Q&A live webcast with investors and analysts due to the disruption to financial markets caused by Hurricane Sandy.

The company was previously scheduled to release its third-quarter results after the close of market today and then host a live Q&A webcast and conference call with investors and analysts tomorrow.

Williams now plans to release its third-quarter financial results tomorrow, Oct. 31, after the close of trading on the New York Stock Exchange. The company’s live webcast/conference call with investors and analysts is scheduled to follow on Thursday, Nov. 1 at 9:30 a.m. EDT.

A limited number of phone lines will be available at [phone]. International callers should dial [phone]. A link to the live third-quarter webcast, as well as replays of the webcast in both streaming and downloadable podcast formats, will be available for two weeks following the event at www.williams.com.

Should the NYSE not re-open as scheduled tomorrow, the company may re-evaluate the timing of releasing its third-quarter financial results.

Operational Update

Williams’ facilities and operations in the northeastern United States have reported no major disruptions from Hurricane Sandy. Williams Partners’ (NYSE:WPZ) Transco interstate gas pipeline is operating without any significant issues with the exception of minor communication outages at some metering facilities in the Northeast. Several of Williams Partners’ gathering and processing facilities in the Northeast were shut down temporarily due to power outages and storm-related producer shut-ins.

About Williams (NYSE: WMB)

Williams is one of the leading energy infrastructure companies in North America. It owns interests in or operates 15,000 miles of interstate gas pipelines, 1,000 miles of NGL transportation pipelines, and more than 10,000 miles of oil and gas gathering pipelines. The company’s facilities have daily gas processing capacity of 6.6 billion cubic feet of natural gas and NGL production of more than 200,000 barrels per day. Williams owns approximately 66 percent of Williams Partners L.P. (NYSE: WPZ), one of the largest diversified energy master limited partnerships. Williams Partners owns most of Williams’ interstate gas pipeline and domestic midstream assets. The company’s headquarters is in Tulsa, Okla. More information is available at www.williams.com, where the company routinely posts important information.

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.