Form 4 SOUTHERN UNION CO For: May 27 Filed by: LINDEMANN GEORGE L (10K)

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, Section 17(a) of the Public Utility Holding Company Act of 1935 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^*

LINDEMANN GEORGE L

(Last)

(First)

(Middle)

767 FIFTH AVENUE

(Street)

NEW YORK

10153

(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)
05/27/2008

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)
1.Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock								4,230,269 ⁽¹⁾	D
Common Stock	05/27/2008		A		145.4121	A	$ 26.45	130,036.4328 ⁽²⁾	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 Underlying Securities
(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

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Employee Stock Option (right to purchase)

$ 28.48

⁽⁶⁾

Common Stock

441,469

Employee Stock Option (right to purchase)

$ 13.502

⁽⁷⁾

12/09/2009

Common Stock

258,078

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. Included in this amount are shares acquired from reinvested dividend proceeds awarded to the Reporting Person as part of the Company's quarterly cash dividend.

3. 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.

4. 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.

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 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.

7. The Reporting Person is fully vested in these options and all of these options are currently exercisable.

	Robert M. Kerrigan, III for George L. Lindemann	05/28/2008
	** 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 Number.

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