X0202 5 2005-12-31 0 0 0 0000203248 SOUTHERN UNION CO SUG 0001184013 DOWLING HARRY E C/O SOUTHERN UNION COMPANY 5444 WESTHEIMER ROAD HOUSTON TX 77056 0 1 0 0 President of Division Common Stock 2005-12-31 5 P 0 212.0095 A 16597.2595 I 401(K) Plan Common Stock 8104.95 D Common Stock 27437.3356 I Supplemental Deferred Compensation Plan Employee Stock Option (right to purchase) 13.5020 2009-12-09 Common Stock 13403 13403 D Employee Stock Option (right to purchase) 14.6521 2011-06-05 Common Stock 38295 38295 D Employee Stock Option (right to purchase) 16.8255 2014-02-06 Common Stock 22050 22050 D Employee Stock Option (right to purchase) 24.0572 2015-07-26 Common Stock 2048 2048 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. Of these shares, 3,150 shares are restricted shares that vest in 25% increments each year beginning July 26, 2006. 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 the plan statement for the period ending December 31, 2005. These options vested over a five year period and are currently exercisable Of these options, 30,637 are currently exercisable and the remaining options will be exercisable on July 1, 2006. Of these options, 4,410 are currently exerciseable, 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. These options vest in 25% increments each year commencing July 26, 2006. Reflects the 5% stock dividend payable on September 1, 2005, to shareholders of record as of August 22, 2005. Robert M. Kerrigan, III for Harry E. Dowling 2006-02-14