X0201 4 2003-12-22 0 0000203248 SOUTHERN UNION CO SUG 0001251829 DECESARIS MARK J ONE PEI CENTER WILKES-BARRE PA 18711-0601 0 1 0 0 Executive Vice President Common Stock 2003-09-30 4 A 0 0 A 3258.4129 I 401-K Savings Plan 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 for the period ended September 30, 2003. The plan is accounted for on a cash basis and, depending on market prices and participant contributions, fluctuations in individual account balances may not be indicative of plan activities during the period presented. Information reported herein is based on a plan statement for the period ended September 30, 2003. All shares reported hereon, have been adjusted to reflect the 5% stock dividend distributed on July 31, 2003. The Reporting Person also directly owns 2,850 shares of common stock. Stephen A. Bouchard for Mark J. Decesaris 2003-12-22