X0202 5 2006-12-31 0 0 0 0000203248 SOUTHERN UNION CO SUG 0001184005 ROUNTREE GEORGE III C/O SOUTHERN UNION COMPANY 5444 WESTHEIMER ROAD HOUSTON TX 77056 1 0 0 0 Common Stock 2006-12-31 5 P 0 2558.032 A 39083.599 I Director's Deferred Compensation Plan Common Stock 59754 D Common Stock 1840.65 I Owned by Spouse This information concerns shares held under the Issuer?s Director?s Deferred Compensation Plan. This report reflects shares purchased for the plan by the plan trustee, at such prices as were available in 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's holdings include a grant of 5,000 shares; restrictions on this grant of shares expired on January 2, 2007. Robert M. Kerrigan, III for George Rountree, III 2007-02-14