Transco Plans Sentinel Natural Gas Pipeline Project

SUGAR LAND--June 30, 2008--Researched by Industrial Info Resources (Sugar Land, Texas)--Transcontinental Gas Pipeline Corporation (Transco) (Houston, Texas), a subsidiary of Williams Companies Incorporated (NYSE: WMB) (Tulsa, Oklahoma), has started construction on the first phase of its $28 million Sentinel Project, which will expand the Transco pipeline system by an additional 142,000 dekatherms of natural gas for deliveries to markets in Pennsylvania.