Southern Union Co - Statement of Changes in Beneficial Ownership (4)

FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0287 Expires: January 31, 2008 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940

1. Name and Address of Reporting Person * LINDEMANN GEORGE L	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, President & CEO
(Last)          (First)          (Middle) 767 FIFTH AVENUE	3. Date of Earliest Transaction (MM/DD/YYYY) 3/13/2008
(Street) NEW YORK, NY 10153 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	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. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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								4015979   (1)	D
Common Stock	3/13/2008		A		8183.1721	A	$24.44	128298.3288	I	Supplemental Deferred Compensation Plan   (2)
Common Stock								26938   (3)	I	401(K) Plan
Common Stock								3289220   (4)	I	Owned by Spouse

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		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 of Derivative Security: 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							(5)	(5)	Common Stock	441469		441469	D
Employee Stock Option (right to purchase)	$12.6345							(6)	6/22/2008	Common Stock	214290		214290	D
Employee Stock Option (right to purchase)	$13.502							(6)	12/9/2009	Common Stock	258078		258078	D

Explanation of Responses:
( 1)	Included in this amount is 58,022 shares of restricted stock, which restrictions expire in full on December 17, 2012. The expiration of these restrictions will be accelerated upon (i) a change of control of the Issuer or (ii) the death, disability or termination of employment without cause of the Reporting Person.
( 2)	This information concerns shares held under the Issuer?s Supplemental Deferred Compensation Plan. Shares purchased for the plan by the plan trustee are purchased at the sole discretion of the trustee, at such prices as were available in the open market at the time of such purchases.
( 3)	This information concerns shares held under the Issuer's 401(K) Plan. Information reported herein is based on a plan statement for the reporting period ended December 31, 2007.
( 4)	The Reporting Person disclaims beneficial interest in these shares except to the extent of his pecuniary interest therein.
( 5)	Each stock option was awarded at an exercise price of $28.48 per share, which was equal to the closing price on December 17, 2007. The options awarded will vest in full on December 17, 2012. The vesting of these options will be accelerated in the event of (i) a change of control of the Company or (ii) the death, diability or termination of employment without cause of the Reporting Person.
( 6)	The Reporting Person is fully vested in these options and all of these options are currently exercisable.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
LINDEMANN GEORGE L 767 FIFTH AVENUE NEW YORK, NY 10153	X		Chairman, President & CEO

Signatures
Robert M. Kerrigan, III for George L. Lindemann		3/17/2008
** 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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