X0202 5 2005-12-31 0 0 0 0000203248 SOUTHERN UNION CO SUG 0001184010 MORGAN DENNIS K C/O SOUTHERN UNION COMPANY 5444 WESTHEIMER ROAD HOUSTON TX 77056 0 1 0 0 SVP Regulatory & Litigation Common Stock 2005-12-31 5 P 0 308.5766 A 18076.6766 I 401(K) Plan Common Stock 2005-12-31 5 P 0 52.0462 A 37140.1462 I Supplemental Deferred Compensation Plan Common Stock 40197.15 D Employee Stock Option (right to purchase) 14.6521 2006-07-01 2011-06-05 Common Stock 10212 10212 D Employee Stock Option (right to purchase) 16.8255 2014-02-06 Common Stock 17640 17640 D This information concerns shares held under the Issuer?s 401(k) 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 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, 2005. This information concerns shares held under the Issuer?s Supplemental 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 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, 2005. Of these options, 4,410 become exercisable on March 1, 2006, 4,410 on March 1, 2007, 4,410 on March 3, 2008, and 4,410 on March 2, 2009. Reflects the 5% stock dividend payable on September 1, 2005, to shareholders of record as of August 22, 2005. Robert M. Kerrigan, III for Dennis K. Morgan 2006-02-14