Don Chappel, a senior executive of Williams (NYSE: WMB), Williams Partners L.P. (NYSE: WPZ) and Access Midstream Partners, L.P. (NYSE: ACMP), is scheduled to present at the Jefferies 2014 Global Energy Conference Wednesday, Nov. 12, at approximately 11:30 a.m. CST. Chappel serves as chief financial officer of both Williams and the general partner of Williams Partners. He is director of the general partner of Access Midstream Partners and director of the general partner of Williams Partners. Williams owns controlling interests in the two master limited partnerships. A link to the live webcast of Chappel's presentation, along with slides for viewing and downloading, will be available at www.williams.com, www.williamslp.com and www.accessmidstream.com on the morning of Nov. 12. About Williams, Williams Partners and Access Midstream Partners Williams, headquartered in Tulsa, Okla., is one of the leading energy infrastructure companies in North America. It owns controlling interests in both Williams Partners L.P. and Access Midstream Partners, L.P. through its ownership of 100 percent of the general partner of each partnership. Additionally, Williams owns approximately 66 percent and 50 percent of the limited partner units of Williams Partners L.P. and Access Midstream Partners, L.P., respectively. Williams Partners L.P. owns and operates both on-shore and off-shore assets of approximately 15,000 miles of natural gas gathering and transmission pipelines, 1,800 miles of NGL transportation pipelines, an additional 11,000 miles of oil and gas gathering pipelines and numerous other energy infrastructure assets. The partnership's operated facilities have daily gas gathering capacity of approximately 11 billion cubic feet, processing capacity of approximately 7 billion cubic feet, NGL production of more than 400,000 barrels per day and domestic olefins production capacity of 1.95 billion pounds of ethylene and 114 million pounds of propylene per year. Access Midstream Partners, L.P. owns and operates natural gas midstream assets across nine states, with an average net throughput of approximately 4.13 billion cubic feet per day and more than 6,773 miles of natural gas gathering pipelines. Headquartered in Oklahoma City, the partnership's operations are focused on the Barnett, Eagle Ford, Haynesville, Marcellus, Niobrara and Utica Shales and the Mid-Continent region of the U.S.