- Statement of Changes in Beneficial Ownership (4)

FORM 4 [ X ] 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 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 * Aldrich George E	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) Sr. VP, Controller & CAO
(Last)          (First)          (Middle) C/O SOUTHERN UNION COMPANY, 5051 WESTHEIMER ROAD	3. Date of Earliest Transaction (MM/DD/YYYY) 3/26/2012
(Street) HOUSTON, TX 77056-5306 (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	3/26/2012		D		2567	D	(1)	0	D

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)	$24.80	3/26/2012		D			15000	(2)	(2)	Common Stock	15000	(2)	0	D
Stock Appreciation Rights	$28.07	3/26/2012		D			13361	(2)	(2)	Common Stock	13361	(2)	0	D
Stock Appreciation Rights	$28.48	3/26/2012		D			29014	(2)	(2)	Common Stock	29014	(2)	0	D
Cash Restricted Stock Units	(3)	3/26/2012		D			2849	(3)	(3)	Common Stock	2849	(3)	0	D
Stock Appreciation Rights	$12.55	3/26/2012		D			35124	(2)	(2)	Common Stock	35124	(2)	0	D
Cash Restricted Stock Units	(3)	3/26/2012		D			3455	(3)	(3)	Common Stock	3455	(3)	0	D
Stock Appreciation Rights	$21.64	3/26/2012		D			18190	(2)	(2)	Common Stock	18190	(2)	0	D
Cash Restricted Stock Units	(3)	3/26/2012		D			4236	(3)	(3)	Common Stock	4236	(3)	0	D
Stock Appreciation Rights	$24.80	3/26/2012		D			14074	(2)	(2)	Common Stock	14074	(2)	0	D
Cash Restricted Stock Units	(3)	3/26/2012		D			5347	(3)	(3)	Common Stock	5347	(3)	0	D

Explanation of Responses:
( 1)	Disposed of pursuant to the Second Amended and Restated Agreement and Plan of Merger, dated as of July 19, 2011, as amended, among Southern Union Company, Energy Transfer Equity, L.P., ("ETE") and Sigma Acquisition Corporation in exchange for $44.25 per share or one ETE common unit per share. The closing price of an ETE common unit on March 26, 2012, was $41.32 per share.
( 2)	Disposed of pursuant to the Second Amended and Restated Agreement and Plan of Merger, dated as of July 19, 2011, as amended, among Southern Union Company, Energy Transfer Equity, L.P., ("ETE") and Sigma Acquisition Corporation. Each stock option and stock appreciation right was converted into the right to receive an amount in cash equal to $44.25 less (i) the applicable exercise price and (ii) any applicable deductions and withholdings required by law.
( 3)	Disposed of pursuant to the Second Amended and Restated Agreement and Plan of Merger, dated as of July 19, 2011, as amended, among Southern Union Company, Energy Transfer Equity, L.P., ("ETE") and Sigma Acquisition Corporation. Each cash restricted stock unit was converted into the right to receive a lump sum cash payment equal to (i) $44.25 per share, less (ii) any applicable deductions and withholdings required by law.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Aldrich George E C/O SOUTHERN UNION COMPANY 5051 WESTHEIMER ROAD HOUSTON, TX 77056-5306			Sr. VP, Controller & CAO

Signatures
Robert M. Kerrigan, III for George E. Aldrich		3/28/2012
** 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 control number.