Donald R. Chappel

Northwest Pipeline LLC owns and operates an interstate pipeline system for the mainline transmission of natural gas. It provides natural gas transportation services for markets in Washington, Oregon, Idaho, Wyoming, Nevada, Utah, Colorado, New Mexico, California and Arizona, either directly or indirectly through interconnections with other pipelines. The company was founded in 1965 and is headquartered in Salt Lake City, UT.

SUPERVALU, Inc. engages in the distribution of grocery and other products and provision of logistics and professional service solutions to retailers. It operates through the Wholesale and Retail segments. The Wholesale segment engages in wholesale distribution to independently-owned retail food stores and other customers. The Retail segment includes the sale of groceries at retail locations of its operations. The company was founded in 1925 and is headquartered in Spokane Valley, WA.

Williams Partners LP owns, operates and acquires a diversified portfolio of complementary energy assets. It is engaged in the business of gathering, transporting and processing natural gas and fractionating and storing natural gas liquids. The company operates its business through the following segments: Gas Pipeline and Midstream Gas and Liquids. The Gas Pipeline segment includes interstate natural gas pipelines and pipeline joint venture investments. The Midstream Gas and Liquids segment includes natural gas gathering, treating and processing business and is comprised of several wholly owned and partially owned subsidiaries. Williams Partners was founded in February 2005 and is headquartered in Tulsa, OK.

Williams Pipeline Partners LP owns and operates natural gas transportation & storage assets. It owns a 35% interest in Northwest Pipeline GP, which owns and operates a natural gas pipeline system that extends from the San Juan Basin in northwestern New Mexico & southwestern Colorado through Colorado, Utah, Wyoming, Idaho, Oregon, and Washington. The frim operates through its subsidaries Williams Pipeline GP LLC and Williams Partners L.P. The company is headquartered in Tulsa, OK.

Part of The Williams Cos., Inc., Williams Pipeline GP LLC is a private company that provides investment services. The company is based in Tulsa, OK.

Williams Partners LP owns, operates, develops & acquires natural gas gathering system and energy assets. It focuses on natural gas gathering, the first segment of midstream energy infrastructure that connects natural gas produced at the wellhead to third-party takeaway pipelines. The company was founded in 2005 and is headquartered in Tulsa, OK.