SECURITIES AND EXCHANGE COMMISSION	
Washington, D.C. 20549	
 	
SCHEDULE 13G*	
 	
Under the Securities Exchange Act of 1934	
(Amendment No.   )*	
 	
Ulta Salon, Cosmetics & Fragrance, Inc.	
(Name of Issuer)	
 	
Common Stock, par value $0.01 per share	
(Title of Class of Securities)	
 	
90384S303	
(CUSIP Number)	
 	
May 10, 2012	
(Date of Event Which Requires Filing of This Statement)	

Check the appropriate box to designate the rule pursuant to which this Schedule 13G is filed:	
 	
¨	Rule 13d-1(b)	
x	Rule 13d-1(c)	
¨	Rule 13d-1(d)	
 	
(Page 1 of 19 Pages)	

______________________________
*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 the disclosures provided in a prior cover page.
 
The information required in the remainder of this cover page shall not be deemed to be "filed" for purposes 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.  90384S303
 	13G	Page 2 of 19 Pages	

1	NAME OF REPORTING PERSON
Lone Spruce, L.P.	
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP	(a) ¨
(b) x	
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
-0-	
	6	SHARED VOTING POWER
33,938	
	7	SOLE DISPOSITIVE POWER
-0-	
	8	SHARED DISPOSITIVE POWER
33,938	
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
33,938	
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES	¨	
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.05%	
12	TYPE OF REPORTING PERSON
PN	

 

 
CUSIP No.  90384S303
 	13G	Page 3 of 19 Pages	

1	NAME OF REPORTING PERSON
Lone Balsam, L.P.	
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP	(a) ¨
(b) x	
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
-0-	
	6	SHARED VOTING POWER
74,569	
	7	SOLE DISPOSITIVE POWER
-0-	
	8	SHARED DISPOSITIVE POWER
74,569	
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
74,569	
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES	¨	
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.1%	
12	TYPE OF REPORTING PERSON
PN	

 

 
CUSIP No.  90384S303
 	13G	Page 4 of 19 Pages	

1	NAME OF REPORTING PERSON
Lone Sequoia, L.P.	
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP	(a) ¨
(b) x	
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
-0-	
	6	SHARED VOTING POWER
62,237	
	7	SOLE DISPOSITIVE POWER
-0-	
	8	SHARED DISPOSITIVE POWER
62,237	
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
62,237	
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES	¨	
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.1%	
12	TYPE OF REPORTING PERSON
PN	

 

 
CUSIP No.  90384S303
 	13G	Page 5 of 19 Pages	

1	NAME OF REPORTING PERSON
Lone Cascade, L.P.	
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP	(a) ¨
(b) x	
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
-0-	
	6	SHARED VOTING POWER
1,657,851	
	7	SOLE DISPOSITIVE POWER
-0-	
	8	SHARED DISPOSITIVE POWER
1,657,851	
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,657,851	
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES	¨	
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
2.7%	
12	TYPE OF REPORTING PERSON
PN	

 

 
CUSIP No.  90384S303
 	13G	Page 6 of 19 Pages	

1	NAME OF REPORTING PERSON
Lone Sierra, L.P.	
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP	(a) ¨
(b) x	
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
-0-	
	6	SHARED VOTING POWER
78,127	
	7	SOLE DISPOSITIVE POWER
-0-	
	8	SHARED DISPOSITIVE POWER
78,127	
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
78,127	
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES	¨	
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.1%	
12	TYPE OF REPORTING PERSON
PN	

 

 
CUSIP No.  90384S303
 	13G	Page 7 of 19 Pages	

1	NAME OF REPORTING PERSON
Lone Pine Associates LLC	
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP	(a) ¨
(b) x	
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
-0-	
	6	SHARED VOTING POWER
170,744	
	7	SOLE DISPOSITIVE POWER
-0-	
	8	SHARED DISPOSITIVE POWER
170,744	
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
170,744	
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES	¨	
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.3%	
12	TYPE OF REPORTING PERSON
OO	

 

 
CUSIP No.  90384S303
 	13G	Page 8 of 19 Pages	

1	NAME OF REPORTING PERSON
Lone Pine Members LLC	
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP	(a) ¨
(b) x	
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
-0-	
	6	SHARED VOTING POWER
1,735,978	
	7	SOLE DISPOSITIVE POWER
-0-	
	8	SHARED DISPOSITIVE POWER
1,735,978	
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,735,978	
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES	¨	
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
2.8%	
12	TYPE OF REPORTING PERSON
OO	

 

 
CUSIP No.  90384S303
 	13G	Page 9 of 19 Pages	

1	NAME OF REPORTING PERSON
Lone Pine Capital LLC	
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP	(a) ¨
(b) x	
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
-0-	
	6	SHARED VOTING POWER
1,591,916	
	7	SOLE DISPOSITIVE POWER
-0-	
	8	SHARED DISPOSITIVE POWER
1,591,916	
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,591,916	
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES	¨	
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
2.5%	
12	TYPE OF REPORTING PERSON
IA	

 

 
CUSIP No.  90384S303
 	13G	Page 10 of 19 Pages	

1	NAME OF REPORTING PERSON
Lone Pine Managing Member LLC	
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP	(a) ¨
(b) x	
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
-0-	
	6	SHARED VOTING POWER
3,498,638	
	7	SOLE DISPOSITIVE POWER
-0-	
	8	SHARED DISPOSITIVE POWER
3,498,638	
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,498,638	
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES	¨	
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.6%	
12	TYPE OF REPORTING PERSON
OO	

 

 
CUSIP No.  90384S303
 	13G	Page 11 of 19 Pages	

1	NAME OF REPORTING PERSON
Stephen F. Mandel, Jr.	
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP	(a) ¨
(b) x	
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
-0-	
	6	SHARED VOTING POWER
3,498,638	
	7	SOLE DISPOSITIVE POWER
-0-	
	8	SHARED DISPOSITIVE POWER
3,498,638	
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,498,638	
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES	¨	
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.6%	
12	TYPE OF REPORTING PERSON
IN	

 

 

CUSIP No.  90384S303
 	13G	Page 12 of 19 Pages	

Item 1   (a).	NAME OF ISSUER:	
 	 	
 	Ulta Salon, Cosmetics & Fragrance, Inc. (the "Issuer").	

Item 1(b).	ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:	
 	 	
 	1000 Remington Blvd., Suite 120, Bolingbrook, Illinois, 60440	

Item 2   (a).	NAME OF PERSON FILING:	
 	 	
 	This statement is filed by:	
 	 	
 	(i)	Lone Spruce, L.P., a Delaware limited partnership ("Lone Spruce"), with respect to the Common Stock (defined in Item 2(d) below) directly owned by it;	
 	 	 	
 	(ii)	Lone Balsam, L.P., a Delaware limited partnership ("Lone Balsam"), with respect to the Common Stock directly owned by it;	
 	 	 	
 	(iii)	Lone Sequoia, L.P., a Delaware limited partnership ("Lone Sequoia"), with respect to the Common Stock directly owned by it;	
 	 	 	
 	(iv)	Lone Cascade, L.P., a Delaware limited partnership ("Lone Cascade"), with respect to the Common Stock directly owned by it;	
 	 	 	
 	(v)	Lone Sierra, L.P., a Delaware limited partnership ("Lone Sierra"), with respect to the Common Stock directly owned by it;	
 	 	 	
 	(vi)	Lone Pine Associates LLC, a Delaware limited liability company ("Lone Pine Associates"), with respect to the Common Stock directly owned by Lone Spruce, Lone Balsam and Lone Sequoia;	
 	 	 	
 	(vii)	Lone Pine Members LLC, a Delaware limited liability company ("Lone Pine Members"), with respect to the Common  Stock directly owned by Lone Cascade and Lone Sierra;	
 	 	 	
 	(viii)	Lone Pine Capital LLC, a Delaware limited liability company ("Lone Pine Capital"), which serves as investment manager to Lone Cypress, Ltd. ("Lone Cypress"), Lone Kauri, Ltd. ("Lone Kauri") and Lone Monterey Master Fund, Ltd. ("Lone Monterey Master Fund"), each a Cayman Islands exempted company, with respect to the Common Stock directly owned by each of Lone Cypress, Lone Kauri and Lone Monterey Master Fund;	
 	 	 	
 	(ix)	Lone Pine Managing Member LLC, a Delaware limited liability company("Lone Pine Managing Member"), with respect to the Common Stock directly owned by each of Lone Spruce, Lone Balsam, Lone Sequoia, Lone Cascade, Lone Sierra, Lone Cypress, Lone Kauri and Lone Monterey Master Fund; and	

 

 
CUSIP No.  90384S303
 	13G	Page 13 of 19 Pages	

 	(x)	Stephen F. Mandel, Jr. ("Mr. Mandel"), with respect to the Common Stock directly owned by each of Lone Spruce, Lone Balsam, Lone Sequoia, Lone Cascade, Lone Sierra, Lone Cypress, Lone Kauri and Lone Monterey Master Fund.	
 	 	 	
 	 	The foregoing persons are hereinafter sometimes  collectively referred to as the "Reporting Persons".  Any disclosures herein with respect to persons other than the Reporting Persons are made on information and belief after making inquiry to the appropriate party.	

Item 2(b).	ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:	
 	 	
 	The address of the business office of each of the Reporting Persons is Two Greenwich Plaza, Greenwich, Connecticut 06830.	

Item 2(c).	CITIZENSHIP	
 	 	
 	Lone Spruce, Lone Balsam, Lone Sequoia, Lone Cascade and Lone Sierra are limited partnerships organized under the laws of the State of Delaware.  Lone Pine Associates, Lone Pine Members, Lone Pine Capital and Lone Pine Managing Member are limited liability companies organized under the laws of the State of Delaware.  Mr. Mandel is a United States citizen.	

Item 2(d).	TITLE OF CLASS OF SECURITIES	
 	 	
 	Common Stock, $0.01 par value per share (the “Common Stock”)	

Item 2(e).	CUSIP NUMBER:	
 	 	
 	90384S303	

 

 
CUSIP No.  90384S303
 	13G	Page 14 of 19 Pages	

Item 3.	IF THIS STATEMENT IS FILED PURSUANT TO Rules 13d-1(b), OR 13d-2(b) OR (c), CHECK WHETHER THE PERSON FILING IS A:	

 	(a)	¨	Broker or dealer registered under Section 15 of the Act,	
 	(b)	¨	Bank as defined in Section 3(a)(6) of the Act,	
 	(c)	¨	Insurance Company as defined in Section 3(a)(19) of the Act,	
 	(d)	¨	Investment Company registered under Section 8 of the Investment Company Act of 1940,	
 	(e)	¨	Investment Adviser in accordance with Rule 13d-1(b)(1)(ii)(E),	
 	(f)	¨	Employee Benefit Plan or Endowment Fund in accordance with Rule 13d-1(b)(1)(ii)(F),	
 	(g)	¨	Parent Holding Company or control person in accordance with Rule 13d-1(b)(1)(ii)(G),	
 	(h)	¨	Savings Association as defined in Section 3(b) of the Federal Deposit Insurance Act,	
 	(i)	¨	Church Plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act of 1940,	
 	(j)	¨	Group, in accordance with Rule 13d-1(b)(1)(ii)(J)	

 	If this statement is filed pursuant to Rule 13d-1(c), check the box. [X]	

Item 4.	OWNERSHIP.	

 	A.	Lone Spruce, L.P.	
 	(a)	Amount beneficially owned:  33,938	
 	(b)	Percent of class:  0.05%  The percentages used herein and in the rest of Item 4 are calculated based upon the Issuer’s Form 10-K for the fiscal year ended January 28, 2012 filed on March 28, 2012 which states that as of March 22, 2012 there were 62,474,444 shares of Common Stock issued and outstanding.	
 	(c)	(i)	Sole power to vote or direct the vote:  -0-	
 	 	(ii)	Shared power to vote or direct the vote:  33,938	
 	 	(iii)	Sole power to dispose or direct the disposition:  -0-	
 	 	(iv)	Shared power to dispose or direct the disposition:  33,938	

 

 
CUSIP No.  90384S303
 	13G	Page 15 of 19 Pages	

 	B.	Lone Balsam, L.P.	
 	(a)	Amount beneficially owned:  74.569	
 	(b)	Percent of class: 0.1%	
 	(c)	(i)	Sole power to vote or direct the vote:  -0-	
 	 	(ii)	Shared power to vote or direct the vote:  74,569	
 	 	(iii)	Sole power to dispose or direct the disposition:  -0-	
 	 	(iv)	Shared power to dispose or direct the disposition:  74,569	

 	C.	Lone Sequoia, L.P.	
 	(a)	Amount beneficially owned:  62,237	
 	(b)	Percent of class: 0.1%	
 	(c)	(i)	Sole power to vote or direct the vote:  -0-	
 	 	(ii)	Shared power to vote or direct the vote:  62,237	
 	 	(iii)	Sole power to dispose or direct the disposition:  -0-	
 	 	(iv)	Shared power to dispose or direct the disposition:  62,237	

 	D.	Lone Cascade, L.P.	
 	(a)	Amount beneficially owned:  1,657,851	
 	(b)	Percent of class: 2.7%	
 	(c)	(i)	Sole power to vote or direct the vote:  -0-	
 	 	(ii)	Shared power to vote or direct the vote:  1,657,851	
 	 	(iii)	Sole power to dispose or direct the disposition:  -0-	
 	 	(iv)	Shared power to dispose or direct the disposition:  1,657,851	

 	E.	Lone Sierra, L.P.	
 	(a)	Amount beneficially owned:  78,127	
 	(b)	Percent of class: 0.1%	
 	(c)	(i)	Sole power to vote or direct the vote:  -0-	
 	 	(ii)	Shared power to vote or direct the vote:  78,127	
 	 	(iii)	Sole power to dispose or direct the disposition:  -0-	
 	 	(iv)	Shared power to dispose or direct the disposition:  78,127	

 	F.	Lone Pine Associates LLC	
 	(a)	Amount beneficially owned:  170,744	
 	(b)	Percent of class: 0.3%	
 	(c)	(i)	Sole power to vote or direct the vote:  -0-	
 	 	(ii)	Shared power to vote or direct the vote:  170,744	
 	 	(iii)	Sole power to dispose or direct the disposition:  -0-	
 	 	(iv)	Shared power to dispose or direct the disposition:  170,744	

 

 
CUSIP No.  90384S303
 	13G	Page 16 of 19 Pages	

 	G.	Lone Pine Members LLC	
 	(a)	Amount beneficially owned:  1,735,978	
 	(b)	Percent of class: 2.8%	
 	(c)	(i)	Sole power to vote or direct the vote:  -0-	
 	 	(ii)	Shared power to vote or direct the vote:  1,735,978	
 	 	(iii)	Sole power to dispose or direct the disposition:  -0-	
 	 	(iv)	Shared power to dispose or direct the disposition:  1,735,978	

 	H.	Lone Pine Capital LLC	
 	(a)	Amount beneficially owned:  1,591,916	
 	(b)	Percent of class: 2.5%	
 	(c)	(i)	Sole power to vote or direct the vote:  -0-	
 	 	(ii)	Shared power to vote or direct the vote:  1,591,916	
 	 	(iii)	Sole power to dispose or direct the disposition:  -0-	
 	 	(iv)	Shared power to dispose or direct the disposition:  1,591,916	

 	I.	Lone Pine Managing Member LLC	
 	(a)	Amount beneficially owned:  3,498,638	
 	(b)	Percent of class: 5.6%	
 	(c)	(i)	Sole power to vote or direct the vote:  -0-	
 	 	(ii)	Shared power to vote or direct the vote:  3,498,638	
 	 	(iii)	Sole power to dispose or direct the disposition:  -0-	
 	 	(iv)	Shared power to dispose or direct the disposition:  3,498,638	

 	J.	Stephen F. Mandel, Jr.	
 	(a)	Amount beneficially owned:  3,498,638	
 	(b)	Percent of class: 5.6%	
 	(c)	(i)	Sole power to vote or direct the vote:  -0-	
 	 	(ii)	Shared power to vote or direct the vote:  3,498,638	
 	 	(iii)	Sole power to dispose or direct the disposition:  -0-	
 	 	(iv)	Shared power to dispose or direct the disposition:  3,498,638	

 

 
CUSIP No.  90384S303
 	13G	Page 17 of 19 Pages	

 
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.	
 	 	
 	Lone Pine Associates, the general partner of Lone Spruce, Lone Sequoia and Lone Balsam, has the power to direct the affairs of Lone Spruce, Lone Sequoia and Lone Balsam, including decisions respecting the disposition of the proceeds from the sale of shares.  Lone Pine Members, the general partner of Lone Cascade and Lone Sierra, has the power to direct the affairs of Lone Cascade and Lone Sierra, including decisions respecting the disposition of the proceeds from the sale of shares.  Lone Pine Capital, the investment manager of Lone Cypress, Lone Kauri and Lone Monterey Master Fund, has the power to direct the receipt of dividends from or the proceeds of the sale of shares held by Lone Cypress, Lone Kauri and Lone Monterey Master Fund.  Lone Pine Managing Member, the Managing Member of Lone Pine Associates, Lone Pine Members and Lone Pine Capital, has the power to direct the affairs of Lone Pine Associates, Lone Pine Members and Lone Pine Capital. Mr. Mandel is the Managing Member of Lone Pine Managing Member and in that capacity directs its operations.	

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	

 	Each of the Reporting Persons hereby makes the following 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.	

 

 
CUSIP No.  90384S303
 	13G	Page 18 of 19 Pages	

SIGNATURES
 
After reasonable inquiry and to the best of our knowledge and belief, the undersigned certify that the information set forth in this statement is true, complete and correct.
 
DATE:  May 21, 2012

 	By:	 	
 	 	Stephen F. Mandel, Jr., individually and as Managing Member of Lone Pine Managing Member LLC, for itself and as Managing Member of (a) Lone Pine Associates LLC, for itself and as the general partner of (i) Lone Spruce, L.P., (ii) Lone Balsam, L.P. and (iii) Lone Sequoia, L.P.;	
 	 	(b) Lone Pine Members LLC, for itself and as the general partner of (i) Lone Cascade, L.P. and (ii) Lone Sierra, L.P.; and	
 	 	(c) Lone Pine Capital LLC	

 

 
CUSIP No.  90384S303
 	13G	Page 19 of 19 Pages	

EXHIBIT 1
 
JOINT ACQUISITION STATEMENT
 PURSUANT TO RULE 13d-1(k)
 
The undersigned acknowledge and agree that the foregoing statement on Schedule 13G, is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13G, shall be filed on behalf of each of the undersigned without the necessity of filing additional joint acquisition statements.  The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him or it contained therein, but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent that he or it knows or has reason to believe that such information is inaccurate.
 
DATE:  May 21, 2012

 	By:	 	
 	 	Stephen F. Mandel, Jr., individually and as Managing Member of Lone Pine Managing Member LLC, for itself and as Managing Member of (a) Lone Pine Associates LLC, for itself and as the general partner of (i) Lone Spruce, L.P., (ii) Lone Balsam, L.P. and (iii) Lone Sequoia, L.P.;	
 	 	(b) Lone Pine Members LLC, for itself and as the general partner of (i) Lone Cascade, L.P. and (ii) Lone Sierra, L.P.; and	
 	 	(c) Lone Pine Capital LLC