08-13
For further information:

John F. Walsh Vice President, Investor Relations Southern Union Company 212-659-3208

SOUTHERN UNION TO REPORT SECOND QUARTER
2008 EARNINGS AND
HOST INVESTOR CALL/WEBCAST ON AUGUST 7

HOUSTON, July 22, 2008 -Southern Union Company (NYSE: SUG) will report earnings for the quarter ended June 30, 2008, before the market opens on Thursday, August 7, 2008. At 11:00 a.m. Eastern time that day, Southern Union will also host an investor call and webcast to discuss results and outlook.

To access the call, dial 888-680-0890 (international callers dial 617-213-4857) and enter passcode 56263881. A replay of the call will be available for one week after the event by dialing 888-286-8010 (international callers dial 617-801-6888) and entering passcode 22885459. The webcast may be accessed online through the Investor's section of the company's web site at www.sug.com.

Please use the following link to pre-register and view important information about this conference call. Pre-registering is not mandatory but is recommended as it will provide you immediate entry into the call and will facilitate the timely start of the call. Pre-registration takes only a few minutes and you may pre-register at any time, including up to and after the call start time. To pre-register, please click Pre-register and enter the registration key PKVLM8AUM or enter the following URL www.theconferencingservice.com/prereg/key.process and use the same registration key.

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, along with serving more than half a million natural gas end-user customers in Missouri and Massachusetts. For further information, visit www.sug.com

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