SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
Hack Robert J
(Last) (First) (Middle)
5444 WESTHEIMER ROAD
(Street)
HOUSTON TX 77056-5306
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
SOUTHERN UNION CO [ SUG ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
COO of Division
3. Date of Earliest Transaction (Month/Day/Year)
06/01/2007
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 1,179(1) D
Common Stock 6,375.5355(2) I 401(k) Plan(2)
Common Stock 7,750.82 I Supplemental Deferred Compensation Plan(3)
Common Stock 06/01/2007 M 836 A $14.6521 836 D
Common Stock 06/01/2007 S 836 D $34.6529 0 D
Common Stock 06/01/2007 M 3,308 A $16.8255 6,616 D
Common Stock 06/01/2007 S 3,308 D $34.6529 3,308 D
Common Stock 06/01/2007 M 256 A $24.0572 1,024 D
Common Stock 06/01/2007 S 256 D $34.6529 768 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option (right to purchase) $14.6521 06/01/2007 M 836 (4) 06/05/2011 Common Stock 836 $34.6529 0 D
Employee Stock Option (right to purchase) $16.8255 06/01/2007 M 3,308 (5) 02/06/2014 Common Stock 6,616 $34.6529 3,308 D
Employee Stock Option (right to purchase) $24.0572 06/01/2007 M 256 (6) 07/26/2015 Common Stock 1,024 $34.6529 768 D
Cash Restricted Units (7) (7) (7) Common Stock 3,273 3,273 D
Stock Appreciation Rights $28.07 (8) 12/27/2016 Common Stock 10,392 10,392 D
Explanation of Responses:
1. Restrictions expire on these shares in increments of 393 on July 26, 2007, July 26, 2008 and July 26, 2009.
2. 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.
3. 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.
4. The Reporting Person became fully vested in these options on July 1, 2006.
5. The Reporting Person will become fully vested in these options in increments of 1,654 on March 1, 2008 and March 1, 2009.
6. The Reporting Person will become fully vested in these options in increments of 256 on July 26, 2007, July 26, 2008 and July 26, 2009.
7. 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 prices 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.
8. 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 installments on the first, second and third anniversaries of the Grant Date.
Remarks:
Robert M. Kerrigan, III for Robert J. Hack 06/05/2007
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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