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	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	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* LINDEMANN GEORGE L (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) X Director 10% Owner X Officer (give title below) Other (specify below) Chairman & CEO
	3. Date of Earliest Transaction (Month/Day/Year) 12/07/2009
	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	12/07/2009		M		258,078(1)	A	$13.502	4,488,347(2)	D
Common Stock	12/07/2009		F		207,782(1)	D	$21.5649	4,280,565(2)	D
Common Stock								139,780.4986	I	Supplemental Deferred Compensation Plan(3)
Common Stock								26,753(4)	I	401(K) Plan
Common Stock								3,289,220(5)	I	Owned by Spouse

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)	$28.48							(6)	12/17/2017	Common Stock	441,469		441,469	D
Employee Stock Option (right to purchase)	$12.55							(7)	12/15/2018	Common Stock	500,000		500,000	D

Explanation of Responses:

1. The Reporting Person exercised 258,078 non-statutory options, which options were otherwise due to expire on December 9, 2009. The Reporting Person executed a cashless exercise to effectuate the transaction. The cashless exercise resulted in a net gain of 50,296 shares of directly held common stock. To cover the cost of the options and associated taxes the Reporting Person sold 207,782 shares.

2. Includes 58,022 shares of restricted stock, which restrictions expire in full on December 17, 2012. The expiration of the restrictions on the restricted shares will be accelerated upon (i) a change in control of the Issuer or (ii) the death, disability or termination of employment without cause of the Reporting Person.

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 sold discretion of the trustee, at such prices as were available in the open market at the time of such purchases.

4. This information concerns shares held under the Issuer's 401(k) Plan. Information reported herein is based on a plan statement for the period ended December 31, 2008.

5. The Reporting Person disclaims beneficial interest in these shares except to the extent of his pecuniary interest therein.

6. Each stock option was awarded at an exercise price of $28.48 per share, which price is equal to the closing price on December 17, 2007 ("Grant Date 2007"). The options will vest in full on the fifth anniversary of Grant Date 2007. The vesting of the options will be accelerated in the event of (i) a change of control of the Company or (ii) the death, disability or termination without cause of the Reporting Person. The expiration of the options shall not be accelerated, except in the event of a termination of employment with cause or by a voluntary termination of employment.

7. Each stock option was awarded at an exercise price of $12.55 per share, which price is equal to the closing price on December 15, 2008 ("Grant Date 2008"). The options awarded will vest in equal installments on the first, second and third anniversaries of Grant Date 2008. The vesting of the options will be accelerated in the event of (i) a change of control of the Company or (ii) the death, disability or termination without cause of the Reporting Person. The expiration of the options shall not be accelerated, except in the event of a termination of employment with cause or by a voluntary termination of employment.

Remarks:

	Robert M. Kerrigan, III for George L. Lindemann	12/09/2009
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.