X0202 4 2005-03-03 0 0000203248 SOUTHERN UNION CO SUG 0000897631 LINDEMANN GEORGE L 767 FIFTH AVENUE NEW YORK NY 10153 1 1 0 0 Chairman & CEO Common Stock 2005-03-03 4 A 0 136.31 26.02 A 67106.9 I Supplemental Plan All shares reported hereon, have been adjusted to reflect the 5% stock dividend distributed to shareholders of record on August 20, 2004. The Reporting Person also indirectly holds 22,627 shares of common stock through the Issuer's 401(K) Plan, 3,180,136 and 3,133,867 shares of common stock through SUG 1, L.P. and SUG 2 L.P., respectively. This information concerns shares held under the Issuer?s Supplemental Deferred Compensation Plan. This report also 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. Dennis K. Morgan for George L. Lindemann 2005-03-07