X0202 5 2006-12-31 0 0 0 0000203248 SOUTHERN UNION CO SUG 0001349277 Hack Robert J 5444 WESTHEIMER ROAD HOUSTON TX 77056-5306 0 1 0 0 COO of Division Common Stock 1575 D Common Stock 2006-12-31 5 P 0 880.1232 A 6375.5355 I 401(k) Plan Common Stock 2006-12-31 5 P 0 88.6855 A 7750.82 I Supplemental Deferred Compensation Plan Cash Restricted Units Common Stock 3273 3273 D Stock Appreciation Rights 28.07 2016-12-27 Common Stock 10392 10392 D Employee Stock Option (right to purchase) 14.6521 2011-06-05 Common Stock 2298 2298 D Employee Stock Option (right to purchase) 16.8255 2014-02-06 Common Stock 6616 6616 D Employee Stock Option (right to purchase) 24.0572 2015-07-26 Common Stock 1024 1024 D The restrictions on 396 shares have expired. This includes 1,179 restricted shares for which the restrictions expire as follows: 393 on July 26, 2007, July 26, 2008 and July 26, 2009. 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, 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 on 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 cash restricted units awarded on December 28, 2006 (the "Grant Date") permit the recipient to receive, on predetermined dates upon expiration of applicable restrictions, cash in an amount equal to a specified number of shares of the Company's common stock valued at the closing price of the Company's common stock on such dates. Restrictions on each award will expire in equal annual installments on the first, second and third anniversaries of the Grant Date. Stock appreciation rights will be settled in shares of common stock at an exercise price of $28.07 per share, which was equal to the closing price on the Grant Date. The award will vest in equal annual installments on the first, second and third anniversaries of the Grant Date. The Reporting Person became fully vested in these options on July 1, 2006. The Reporting Person became/will become fully vested in these options in increments of 1,654 on March 1, 2006, March 1, 2007, March 1, 2008 and March 1, 2009. The Reporting Person became/will become fully vested in these options in increments of 256 on July 26, 2006, July 26, 2007, July 26, 2008 and July 26, 2009. Robert M. Kerrigan, III for Robert J. Hack 2007-02-14