Company:  SOUTHERN UNION CO
Form Type:  425
Filing Date:  3/20/2012 
CIK:  0000203248 
Address:  3738 OAK LAWN AVENUE 
City, State, Zip:  DALLAS, Texas 75219 
Telephone:  214-981-0700 
Fiscal Year:  12/31 
Description of Business
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  FORM 425
  EXHIBIT 99.1
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