Southern Union Company's Missouri Gas Energy Leads in Business Customer Satisfaction

Business Wire, March 8, 2007

HOUSTON -- Southern Union Company (NYSE:SUG) today announced that its Missouri Gas Energy natural gas distribution company received the highest ranking in the Midwest region and the highest score in the nation for business customer satisfaction in a recent J.D. Power and Associates study.

Missouri Gas Energy, headquartered in Kansas City, serves more than half a million customers in 155 western Missouri communities. The company has approximately 65,000 business customers.

Missouri Gas Energy led the rankings of the nation's 38 largest natural gas utilities with 777 points out of a possible 1,000 in the Midwestern region in the J.D. Power and Associates 2007 Gas Utility Business Customer Satisfaction Study (SM). Missouri Gas Energy's points also were the highest in the nation, which included the East, South and West regions.

"We constantly strive to improve the service we provide to all of our customers, and to have our efforts acknowledged by our business customers and documented by the study is very fulfilling and a testament to the dedicated employees of Missouri Gas Energy," said Rob Hack, chief operating officer of Missouri Gas Energy. "We will continue to work towards even higher customer satisfaction levels."

The study indicated that overall satisfaction index scores increased in five performance factors measures: billing and payment; communications; company image; customer service; field service and price. Business customers also highlighted the integral role utility senior management plays in satisfying business customers.

About Southern Union Company

Southern Union Company, headquartered in Houston, is one of the nation's leading diversified natural gas companies, engaged primarily in the transportation, storage, gathering, processing and distribution of natural gas. The company owns and operates one of the nation's largest natural gas pipeline systems with approximately 20,000 miles of gathering and transportation pipelines and North America's largest liquefied natural gas import terminal.

Through Panhandle Energy, Southern Union's interstate pipeline interests operate approximately 15,000 miles of interstate pipelines that transport natural gas from the Anadarko and San Juan basins, the Rockies, the Gulf of Mexico, Mobile Bay and South Texas to major markets in the Southeast, Midwest and Great Lakes region.

Southern Union Gas Services, with approximately 4,800 miles of pipelines, is engaged in the gathering, transmission, treating, processing and redelivery of natural gas and natural gas liquids in Texas and New Mexico.

Through its local distribution companies, Missouri Gas Energy and New England Gas Company, Southern Union also serves more than half a million natural gas end-user customers in Missouri and Massachusetts.

For further information, visit www.sug.com.