Edgar Filing: UNITED THERAPEUTICS CORP

Schedule 13G

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No. )*

UNITED THERAPEUTICS CORPORATION

(Name of Issuer)

COMMON STOCK, PAR VALUE $0.01 PER SHARE

(Title of Class of Securities)

91307C102

(CUSIP Number)

July 25, 2006

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

¨ Rule 13d-1(b)

x Rule 13d-1(c)

¨ Rule 13d-1(d)

The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).


CUSIP No. 91307C102		Page 2 of 23 Pages


1		NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only) Atlas Master Fund, Ltd.
2		CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) ¨ (b) ¨
3		SEC USE ONLY
4		CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands


NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5 SOLE VOTING POWER None
		6 SHARED VOTING POWER 93,421 (See Item 4)
		7 SOLE DISPOSITIVE POWER None
		8 SHARED DISPOSITIVE POWER 93,421 (See Item 4)


9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 93,421 (See Item 4)
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* Not Applicable	¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) .39%
12	TYPE OF REPORTING PERSON* CO

*SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 91307C102		Page 3 of 23 Pages


1		NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only) Atlas Global, LLC
2		CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) ¨ (b) ¨
3		SEC USE ONLY
4		CITIZENSHIP OR PLACE OF ORGANIZATION Delaware


NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5 SOLE VOTING POWER None
		6 SHARED VOTING POWER 93,421 (See Item 4)
		7 SOLE DISPOSITIVE POWER None
		8 SHARED DISPOSITIVE POWER 93,421 (See Item 4)


9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 93,421 (See Item 4)
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* Not Applicable	¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) .39%
12	TYPE OF REPORTING PERSON* OO

*SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 91307C102		Page 4 of 23 Pages


1		NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only) Atlas Global Investments, Ltd.
2		CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) ¨ (b) ¨
3		SEC USE ONLY
4		CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands


NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5 SOLE VOTING POWER None
		6 SHARED VOTING POWER 93,421 (See Item 4)
		7 SOLE DISPOSITIVE POWER None
		8 SHARED DISPOSITIVE POWER 93,421 (See Item 4)


9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 93,421 (See Item 4)
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* Not Applicable	¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) .39%
12	TYPE OF REPORTING PERSON* CO

*SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 91307C102		Page 5 of 23 Pages


1		NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only) Atlas Global Investments II, Ltd.
2		CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) ¨ (b) ¨
3		SEC USE ONLY
4		CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands


NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5 SOLE VOTING POWER None
		6 SHARED VOTING POWER 93,421 (See Item 4)
		7 SOLE DISPOSITIVE POWER None
		8 SHARED DISPOSITIVE POWER 93,421 (See Item 4)


9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 93,421 (See Item 4)
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* Not Applicable	¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) .39%
12	TYPE OF REPORTING PERSON* CO

*SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 91307C102		Page 6 of 23 Pages


1		NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only) Visium Balanced Fund, LP
2		CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) ¨ (b) ¨
3		SEC USE ONLY
4		CITIZENSHIP OR PLACE OF ORGANIZATION Delaware


NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5 SOLE VOTING POWER None
		6 SHARED VOTING POWER 81,609 (See Item 4)
		7 SOLE DISPOSITIVE POWER None
		8 SHARED DISPOSITIVE POWER 81,609 (See Item 4)


9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 81,609 (See Item 4)
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* Not Applicable	¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) .35%
12	TYPE OF REPORTING PERSON* OO

*SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 91307C102		Page 7 of 23 Pages


1		NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only) Visium Long Bias Fund, LP
2		CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) ¨ (b) ¨
3		SEC USE ONLY
4		CITIZENSHIP OR PLACE OF ORGANIZATION Delaware


NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5 SOLE VOTING POWER None
		6 SHARED VOTING POWER 261,506 (See Item 4)
		7 SOLE DISPOSITIVE POWER None
		8 SHARED DISPOSITIVE POWER 261,506 (See Item 4)


9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 261,506 (See Item 4)
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* Not Applicable	¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 1.1%
12	TYPE OF REPORTING PERSON* OO

*SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 91307C102		Page 8 of 23 Pages


1		NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only) Visium Balanced Offshore Fund, Ltd.
2		CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) ¨ (b) ¨
3		SEC USE ONLY
4		CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands


NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5 SOLE VOTING POWER None
		6 SHARED VOTING POWER 271,226 (See Item 4)
		7 SOLE DISPOSITIVE POWER None
		8 SHARED DISPOSITIVE POWER 271,226 (See Item 4)


9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 271,226 (See Item 4)
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* Not Applicable	¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 1.2%
12	TYPE OF REPORTING PERSON* CO

*SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 91307C102		Page 9 of 23 Pages


1		NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only) Visium Balanced Long Bias Fund, Ltd.
2		CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) ¨ (b) ¨
3		SEC USE ONLY
4		CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands


NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5 SOLE VOTING POWER None
		6 SHARED VOTING POWER 490,387 (See Item 4)
		7 SOLE DISPOSITIVE POWER None
		8 SHARED DISPOSITIVE POWER 490,387 (See Item 4)


9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 490,387 (See Item 4)
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* Not Applicable	¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 2.1%
12	TYPE OF REPORTING PERSON* CO

*SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 91307C102		Page 10 of 23 Pages


1		NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only) Visium Capital Management, LLC
2		CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) ¨ (b) ¨
3		SEC USE ONLY
4		CITIZENSHIP OR PLACE OF ORGANIZATION Delaware


NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5 SOLE VOTING POWER None
		6 SHARED VOTING POWER 1,104,728 (See Item 4)
		7 SOLE DISPOSITIVE POWER None
		8 SHARED DISPOSITIVE POWER 1,104,728 (See Item 4)


9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,104,728 (See Item 4)
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* Not Applicable	¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 4.7%
12	TYPE OF REPORTING PERSON* OO

*SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 91307C102		Page 11 of 23 Pages


1		NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only) Balyasny Asset Management L.P.
2		CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) ¨ (b) ¨
3		SEC USE ONLY
4		CITIZENSHIP OR PLACE OF ORGANIZATION Delaware


NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5 SOLE VOTING POWER 97,724 (See Item 4)
		6 SHARED VOTING POWER 1,104,728 (See Item 4)
		7 SOLE DISPOSITIVE POWER 97,724 (See Item 4)
		8 SHARED DISPOSITIVE POWER 1,104,728 (See Item 4)


9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,202,452 (See Item 4)
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* Not Applicable	¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.1%
12	TYPE OF REPORTING PERSON* OO

*SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 91307C102		Page 12 of 23 Pages


1		NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only) Dmitry Balyasny
2		CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) ¨ (b) ¨
3		SEC USE ONLY
4		CITIZENSHIP OR PLACE OF ORGANIZATION United States


NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5 SOLE VOTING POWER 1,202,452 (See Item 4)
		6 SHARED VOTING POWER 1,104,728 (See Item 4)
		7 SOLE DISPOSITIVE POWER 1,202,452 (See Item 4)
		8 SHARED DISPOSITIVE POWER 1,104,728 (See Item 4)


9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,202,452 (See Item 4)
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* Not Applicable	¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.1%
12	TYPE OF REPORTING PERSON* IN

*SEE INSTRUCTIONS BEFORE FILLING OUT.

Item 1

(a) Name of Issuer:

United Therapeutics Corporation (the “Company”)

(b) Address of Issuer’s Principal Executive Offices:

1110 Spring Street

Silver Spring, MD 20910

Item 2

(a) – (c) This statement is filed on behalf of the following:

(1) Atlas Master Fund, Ltd., a Cayman Islands corporation (“AMF”), with its principal business office at c/o Walkers SPV Limited, Walker House, P.O. Box 908 GT, George Town, Grand Cayman, Cayman Islands, British West Indies.

(2) Atlas Global, LLC, a Delaware limited liability company (“AG”), with its principal business office at 181 West Madison, Suite 3600, Chicago, IL 60602. AG owns 12.11% of the equity interests in AMF.

(3) Atlas Global Investments, Ltd., a Cayman Islands corporation (“AGI1”), with its principal business office at c/o Walkers SPV Limited, Walker House, P.O. Box 908 GT, George Town, Grand Cayman, Cayman Islands, British West Indies. AGI1 owns 80.60% of the equity interests in AMF.

(4) Atlas Global Investments II, Ltd., a Cayman Islands corporation (“AGI2”), with its principal business office at c/o Walkers SPV Limited, Walker House, P.O. Box 908 GT, George Town, Grand Cayman, Cayman Islands, British West Indies. AGI2 owns 7.29% of the equity interests in AMF.

(5) Visium Balanced Fund, LP, a Delaware limited partnership (“VBF”), with its principal business office at c/o Balyasny Asset Management L.P., 650 Madison Avenue, New York, NY 10022.

(6) Visium Long Bias Fund, LP, a Delaware limited partnership (“VLBF”), with its principal business office at c/o Balyasny Asset Management L.P., 650 Madison Avenue, New York, NY 10022.

(7) Visium Balanced Fund Offshore, Ltd., a Cayman Islands corporation (“VBFO”), with its principal business office at c/o Morgan Stanley Fund Services (Cayman) Limited, P.O. Box 2681GT, Century yard, 4^th Floor, Cricket Square, Hutchins Drive, Grand Cayman, Cayman Islands, British West Indies.

(8) Visium Long Bias Fund Offshore, Ltd., a Cayman Islands corporation (“VLBFO”), with its principal business office at c/o Morgan Stanley Fund Services (Cayman) Limited, P.O. Box 2681GT, Century yard, 4^th Floor, Cricket Square, Hutchins Drive, Grand Cayman, Cayman Islands, British West Indies.

Page 13 of 23 Pages

(9) Visium Capital Management, LLC, a Delaware limited liability company (“VCM”), with its principal business office at c/o Balyasny Asset Management L.P., 650 Madison Avenue, New York, NY 10022. VCM is the investment advisor to each of VBF, VLBF, VBFO and VLBFO.

(10) Balyasny Asset Management L.P., a Delaware limited partnership (“BAM”), with its principal business office at 181 West Madison, Suite 3600, Chicago, IL 60602. BAM is the sole managing member of AG, the investment advisor to each of AG, AGI1 and AGI2 and the investment subadvisor to each of VBF, VLBF, VBFO and VLBFO.

(11) Dmitry Balyasny, a United States citizen whose business address is 181 West Madison, Suite 3600, Chicago, IL 60602. Dmitry Balyasny is the sole managing member of the general partner of BAM.

(d) Title of Class of Securities:

Common Stock, Par Value $0.01 Per Share

(e) CUSIP Number:

91307C102

Item 3

If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b) or (c), check whether the person filing is a:

Not Applicable

Item 4

Ownership:

AMF

(a) Amount Beneficially Owned:

93,421 shares

(b) Percent of Class:

.39%

(i) sole power to vote or to direct vote:

93,421 shares

Page 14 of 23 Pages

(ii) shared power to vote or to direct vote:

None

(iii) sole power to dispose or direct disposition of:

93,421 shares

(iv) shared power to dispose or to direct disposition of:

None

(a) Amount Beneficially Owned:

By virtue of its ownership of 12.11% of the equity interest in AMF, AG may be deemed to beneficially own the 93,421 shares of the Company’s Common Stock beneficially owned by AMF.

(b) Percent of Class:

.39%

(i) sole power to vote or to direct vote:

None

(ii) shared power to vote or to direct vote:

93,421 shares

(iii) sole power to dispose or direct disposition of:

None

(iv) shared power to dispose or to direct disposition of:

93,421 shares

Page 15 of 23 Pages

AGI1

(a) Amount Beneficially Owned:

By virtue of its ownership of 80.60% of the equity interest in AMF, AGI1 may be deemed to beneficially own the 93,421 shares of the Company’s Common Stock beneficially owned by AMF.

(b) Percent of Class:

.39%

(i) sole power to vote or to direct vote:

None

(ii) shared power to vote or to direct vote:

93,421 shares

(iii) sole power to dispose or direct disposition of:

None

(iv) shared power to dispose or to direct disposition of:

93,421 shares

AGI2

(a) Amount Beneficially Owned:

By virtue of its ownership of 7.29% of the equity interest in AMF, AGI2 may be deemed to beneficially own the 93,421 shares of the Company’s Common Stock beneficially owned by AMF.

(b) Percent of Class:

.39%

(i) sole power to vote or to direct vote:

None

Page 16 of 23 Pages

(ii) shared power to vote or to direct vote:

93,421 shares

(iii) sole power to dispose or direct disposition of:

None

(iv) shared power to dispose or to direct disposition of:

93,421 shares

VBF

(a) Amount Beneficially Owned:

81,609 shares

(b) Percent of Class:

.35%

(i) sole power to vote or to direct vote:

None

(ii) shared power to vote or to direct vote:

81,609 shares

(iii) sole power to dispose or direct disposition of:

None

(iv) shared power to dispose or to direct disposition of:

81,609 shares

VLBF

(a) Amount Beneficially Owned:

261,506 shares

Page 17 of 23 Pages

(b) Percent of Class:

1.1%

(i) sole power to vote or to direct vote:

None

(ii) shared power to vote or to direct vote:

261,506 shares

(iii) sole power to dispose or direct disposition of:

None

(iv) shared power to dispose or to direct disposition of:

261,506 shares

VBFO

(a) Amount Beneficially Owned:

271,226 shares

(b) Percent of Class:

1.2%

(i) sole power to vote or to direct vote:

None

(ii) shared power to vote or to direct vote:

271,226 shares

(iii) sole power to dispose or direct disposition of:

None

Page 18 of 23 Pages

(iv) shared power to dispose or to direct disposition of:

271,226 shares

VLBFO

(a) Amount Beneficially Owned:

490,387 shares

(b) Percent of Class:

2.1%

(i) sole power to vote or to direct vote:

None

(ii) shared power to vote or to direct vote:

490,387 shares

(iii) sole power to dispose or direct disposition of:

None

(iv) shared power to dispose or to direct disposition of:

490,387 shares

VCM

(a) Amount Beneficially Owned:

By virtue of its position as investment advisor to each of VBF, VLBF, VBFO and VLBFO, VCM may be deemed to beneficially own the 1,104,728 shares of the Company’s Common Stock beneficially owned by VBF, VLBF, VBFO and VLBFO.

(b) Percent of Class:

4.7%

Page 19 of 23 Pages

(i) sole power to vote or to direct vote:

None

(ii) shared power to vote or to direct vote:

1,104,728 shares

(iii) sole power to dispose or direct disposition of:

None

(iv) shared power to dispose or to direct disposition of:

1,104,728 shares

BAM

(a) Amount Beneficially Owned:

By virtue of its position as investment advisor to each of AG, AGI1 and AGI2 and its role as sole managing member of AG, BAM may be deemed to beneficially own the 93,421 shares of the Company’s Common Stock beneficially owned by AG, AGI1 and AGI2. By virtue of its position as investment subadvisor to each of VFB, VLBF, VBFO and VLBFO, BAM may be deemed to beneficially own the 1,104,728 shares of the Company’s Common Stock beneficially owned by VFB, VLBF, VBFO and VLBFO. By virtue of Dmitry Balyasny’s affiliation with BAM, BAM may be deemed to beneficially own 4,303 shares of the Company’s Common Stock beneficially owned by Dmitry Balyasny.

(b) Percent of Class:

5.1%

(i) sole power to vote or to direct vote:

97,724 shares

(ii) shared power to vote or to direct vote:

1,104,728 shares

Page 20 of 23 Pages

(iii) sole power to dispose or direct disposition of:

97,724 shares

(iv) shared power to dispose or to direct disposition of:

1,104,728 shares

Dmitry Balyasny

(a) Amount Beneficially Owned:

By virtue of his position as the sole managing member of the general partner of BAM, Mr. Balyasny may be deemed to beneficially own the 1,202,452 shares of the Company’s Common Stock beneficially owned by BAM.

(b) Percent of Class:

5.1%

(i) sole power to vote or to direct vote:

97,724 shares

(ii) shared power to vote or to direct vote:

1,104,728 shares

(iii) sole power to dispose or direct disposition of:

97,724 shares

(iv) shared power to dispose or to direct disposition of:

1,104,728 shares

Item 5

Ownership of Five Percent or Less of a Class:

Not Applicable

Item 6

Ownership of More than Five Percent on Behalf of Another Person:

Not Applicable

Page 21 of 23 Pages

Item 7

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company:

Not Applicable

Item 8

Identification and Classification of Members of the Group:

Not Applicable

Item 9

Notice of Dissolution of Group:

Not Applicable

Item 10

Certification:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

Page 22 of 23 Pages

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Date: July 28, 2006.


ATLAS MASTER FUND, LTD.		VISIUM LONG BIAS FUND, LP

By:	/s/ Scott Schroeder	By:	/s/ Scott Schroeder
	Scott Schroeder		Scott Schroeder
	Authorized Signatory		Authorized Signatory

ATLAS GLOBAL, LLC		VISIUM BALANCED FUND OFFSHORE, LTD.

By:	/s/ Scott Schroeder	By:	/s/ Scott Schroeder
	Scott Schroeder		Scott Schroeder
	Authorized Signatory		Authorized Signatory

ATLAS GLOBAL INVESTMENTS, LTD.		VISIUM LONG BIAS FUND OFFSHORE, LTD.

By:	/s/ Scott Schroeder	By:	/s/ Scott Schroeder
	Scott Schroeder		Scott Schroeder
	Authorized Signatory		Authorized Signatory

ATLAS GLOBAL INVESTMENTS II, LTD.		VISIUM CAPITAL MANAGEMENT, LLC

By:	/s/ Scott Schroeder	By:	/s/ Scott Schroeder
	Scott Schroeder		Scott Schroeder
	Authorized Signatory		Authorized Signatory

VISIUM BALANCED FUND, LP		BALYASNY ASSET MANAGEMENT L.P.

By:	/s/ Scott Schroeder	By:	/s/ Scott Schroeder
	Scott Schroeder		Scott Schroeder
	Authorized Signatory		Authorized Signatory

		DMITRY BALYASNY

		By:	/s/ Scott Schroeder
			Scott Schroeder
			Authorized Representative and Executive Officer
			Managing Director of Finance and General Counsel

Page 23 of 23 Pages