X0202 4 2007-04-30 0 0000203248 SOUTHERN UNION CO SUG 0001183998 DENIUS FRANK W C/O SOUTHERN UNION COMPANY 5444 WESTHEIMER ROAD HOUSTON TX 77056-5306 1 0 0 0 Common Stock 2007-04-30 4 A 0 5000 A 46479.10 D Common Stock 26767.447 I Directors' Deferred Compensation Plan Common Stock 68937.75 I Wofford Cain Foundation Common Stock 1216.95 I Owned by Spouse The grant of shares was adopted by the Compensation Committee of the Board of Directors on April 30, 2007, pursuant to the Southern Union Company Second Amended and Restated 2003 Stock and Incentive Plan. The restrictions on the shares associated with this grant expire on January 2, 2008. This information concerns shares held under the Issuer's Directors? Deferred Compensation Plan. This report reflects shares purchased for the plan by the plan trustee, at the sole discretion of the trustee, at such prices as were available on the open market at the time of such purchases. Information reported herein is based on a plan statement for the period ended December 31, 2006. The Reporting Person disclaims beneficial interest in these shares except to the extent of his pecuniary interest therein. Robert M. Kerrigan, III for Frank W. Denius 2007-05-02