SEC FORM 4

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

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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^*

FLAUM DAVID M

(Last)

(First)

(Middle)

6801 MORRISON BOULEVARD

MORROCROFT III

(Street)

CHARLOTTE

28211

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
US LEC CORP [ CLEC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
02/28/2007

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)
Class A Common Stock	02/28/2007		D		180,000	D	⁽¹⁾	0	D

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Stock Option (right to buy)	$2.08	02/28/2007		D			60,000	⁽²⁾	03/27/2016	Class A Common Stock	60,000	⁽²⁾	0	D
Stock Option (right to buy)	$3	02/28/2007		D			5,000	⁽³⁾	05/17/2016	Class A Common Stock	5,000	⁽³⁾	0	D

Explanation of Responses:

1. Disposed of pursuant to Agreement and Plan of Merger, dated as of August 11, 2006, as amended, among Issuer, PAETEC Corp., PAETEC Holding Corp., WC Acquisition Sub U Corp. and WC Acquisition Sub P Corp. (the "Merger Agreement") in exchange for 180,000 shares of common stock of PAETEC Holding Corp. on the effective date of the merger transaction.

2. This option, which became fully vested in connection with Mr. Flaum's termination of service as a director, was assumed by PAETEC Holding Corp. on the effective date of the merger transaction pursuant to the Merger Agreement and replaced with an option to purchase 60,000 shares of common stock of PAETEC Holding Corp. for $2.08 per share.

3. This option, which was fully vested upon issuance, was assumed by PAETEC Holding Corp. on the effective date of the merger transaction pursuant to the Merger Agreement, and replaced with an option to purchase 5,000 shares of common stock of PAETEC Holding Corp. for $3.00 per share.

Remarks:

	/s/ Shane S. Turley, Attorney-in-Fact	03/02/2007
	** 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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