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
                                                                                  
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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).
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.
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