EX-4.2



 Exhibit 4.2 

SUPPLEMENTAL INDENTURE 
 RELATED TO
THE ASSUMPTION 
 SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”) dated as of March 27, 2015, among VALEANT
PHARMACEUTICALS INTERNATIONAL, INC., a corporation continued under the British Columbia Business Corporations Act (the “Company”), the Note Guarantors party hereto (the “Guarantors”) and THE BANK OF NEW YORK MELLON
TRUST COMPANY, N.A., a national banking association duly organized under the laws of the United States, as trustee under the Indenture referred to below (the “Trustee”). 

W I T N E S S E T H : 

WHEREAS VRX ESCROW CORP., a corporation organized under the federal laws of Canada (the “Escrow Issuer”) has heretofore
executed and delivered to the Trustee an indenture (as amended, supplemented or otherwise modified, the “Indenture”) dated as of March 27, 2015, providing for the issuance of the Escrow Issuer’s 5.375% Senior Notes due
2020 (the “2020 Notes”), 5.875% Senior Notes due 2023 (the “2023 Notes”), 4.50% Senior Notes due 2023 (the “Euro Notes”) and 6.125% Senior Notes due 2025 (the “2025 Notes” and,
together with the 2020 Notes, the 2023 Notes and the Euro Notes, the “Notes”), initially in the aggregate principal amount of $2,000,000,000 in respect of the 2020 Notes, in the aggregate principal amount of $3,250,000,000 in
respect of the 2023 Notes, in the aggregate principal amount of €1,500,000,000 in respect of the Euro Notes and in the aggregate principal amount of $3,250,000,000 in respect of the 2025 Notes; 

WHEREAS pursuant to Section 9.1 of the Indenture, the Trustee, the Company and the Guarantors are authorized to execute and deliver this
Supplemental Indenture; 
 NOW THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of
which is hereby acknowledged, the Company, the Guarantors and the Trustee mutually covenant and agree for the equal and ratable benefit of the holders of the Notes as follows: 

1. Defined Terms. As used in this Supplemental Indenture, terms defined in the Indenture or in the preamble or recital hereto are used
herein as therein defined. The words “herein,” “hereof” and “hereby” and other words of similar import used in this Supplemental Indenture refer to this Supplemental Indenture as a whole and not to
any particular section hereof. 
 2. Agreement to Assume Obligations. Effective upon the Escrow Release, the Company hereby agrees to
unconditionally assume the Escrow Issuer’s Obligations under the Notes and the Indenture on the terms and subject to the conditions set forth in the Indenture and to be bound by all other applicable provisions of the Indenture and the Notes and
to perform all of the obligations and agreements of the Escrow Issuer under the Indenture. 
 3. Agreement to Guarantee. Effective
upon the Escrow Release, the Guarantors agree, jointly and severally, to unconditionally guarantee the Company’s Obligations under the Notes and the Indenture on the terms and subject to the conditions set forth in Article 10 of the
Indenture and to be bound by all other applicable provisions of the Indenture and the Notes and to perform all of the obligations and agreements of a Note Guarantor under the Indenture. 

4. Notices. All notices or other communications to the Company shall be given as provided in Section 11.2 of the Indenture. 







 5. Ratification of Indenture; Supplemental Indenture Part of Indenture. Except as
expressly amended hereby, the Indenture is in all respects ratified and confirmed and all the terms, conditions and provisions thereof shall remain in full force and effect. This Supplemental Indenture shall form a part of the Indenture for all
purposes, and every holder of Notes heretofore or hereafter authenticated and delivered shall be bound hereby. 
 6. Release of
Obligations of Escrow Issuer. Effective upon the Escrow Release and the execution of this Supplemental Indenture, the Escrow Issuer is automatically released and discharged from all obligations under the Indenture and the Notes, without any
further action on the part of the Escrow Issuer or the Trustee. 
 7. Governing Law. THIS SUPPLEMENTAL INDENTURE SHALL BE GOVERNED
BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK, WITHOUT REGARD TO PRINCIPLES OF CONFLICTS OF LAW. 
 8.
Trustee Makes No Representation. The Trustee makes no representation as to the validity or sufficiency of this Supplemental Indenture. The recitals and statements herein are deemed to be those of the Company and the Guarantors and not of the
Trustee. 
 9. Counterparts. The parties may sign any number of copies of this Supplemental Indenture. Each signed copy shall be an
original, but all of them together represent the same agreement. 
 10. Effect of Headings. The Section headings herein are for
convenience only and shall not effect the construction thereof. 







 IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly
executed as of the date first above written. 
  

					
	VALEANT PHARMACEUTICALS INTERNATIONAL, INC.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Senior Vice President and Treasurer


 [Signature Page to Supplemental Indenture] 







 
					
	COMPANY GUARANTORS:
	
	VALEANT PHARMACEUTICALS INTERNATIONAL
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Senior Vice President and Treasurer
	
	BAUSCH & LOMB INCORPORATED
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Senior Vice President and Treasurer
	
	BAUSCH & LOMB HOLDINGS INCORPORATED
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Vice President and Treasurer
	
	SOLTA MEDICAL, INC.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Senior Vice President and Treasurer


 [Signature Page to Supplemental Indenture] 







 
					
	ATON PHARMA, INC.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Senior Vice President and Treasurer
	
	CORIA LABORATORIES, LTD.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Senior Vice President and Treasurer
	
	DOW PHARMACEUTICAL SCIENCES, INC.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Senior Vice President and Treasurer


 [Signature Page to Supplemental Indenture] 







 
					
	OBAGI MEDICAL PRODUCTS, INC.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Treasurer
	
	OMP, INC.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Treasurer
	
	ONPHARMA INC.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Treasurer


 [Signature Page to Supplemental Indenture] 








					
	Signed by				
	Valeant Holdco 2 Pty Ltd (ACN 154 341 367)				
	in accordance with section 127 of the Corporations Act 2001 by two directors:				
			
	 /s/ Robert R. Chai-Onn
				 /s/ Linda A. LaGorga

	Signature of director				Signature of director
			
	 Robert R. Chai-Onn
				 Linda A. LaGorga

	Name of director (please print)				Name of director (please print)
			
	Signed by				
	Wirra Holdings Pty Limited (ACN 122 216 577)				
	in accordance with section 127 of the Corporations Act 2001 by two directors:				
			
	 /s/ Robert R. Chai-Onn
				 /s/ Linda A. LaGorga

	Signature of director				Signature of director
			
	 Robert R. Chai-Onn
				 Linda A. LaGorga

	Name of director (please print)				Name of director (please print)
			
	Signed by				
	Wirra Operations Pty Limited (ACN 122 250 088)				
	in accordance with section 127 of the Corporations Act 2001 by two directors:				
			
	 /s Robert R. Chai-Onn
				 /s/ Linda A. LaGorga

	Signature of director				Signature of director
			
	 Robert R. Chai-Onn
				 Linda A. LaGorga

	Name of director (please print)				Name of director (please print)

 [Signature Page to Supplemental Indenture] 








					
	Signed by				
	iNova Pharmaceuticals (Australia) Pty Limited (ACN 000 222 408)				
	in accordance with section 127 of the Corporations Act 2001 by two directors:				
			
	 /s/ Robert R. Chai-Onn
				 /s/ Linda A. LaGorga

	Signature of director				Signature of director
			
	 Robert R. Chai-Onn
				 Linda A. LaGorga

	Name of director (please print)				Name of director (please print)
			
	Signed by				
	Wirra IP Pty Limited (ACN 122 536 350)				
	in accordance with section 127 of the Corporations Act 2001 by two directors:				
			
	 /s/ Robert R. Chai-Onn
				 /s/ Linda A. LaGorga

	Signature of director				Signature of director
			
	 Robert R. Chai-Onn
				 Linda A. LaGorga

	Name of director (please print)				Name of director (please print)
			
	Signed by				
	iNova Sub Pty Limited (ACN 134 398 815)				
	in accordance with section 127 of the Corporations Act 2001 by two directors:				
			
	 /s/ Robert R. Chai-Onn
				 /s/ Linda A. LaGorga

	Signature of director				Signature of director
			
	 Robert R. Chai-Onn
				 Linda A. LaGorga

	Name of director (please print)				Name of director (please print)

 [Signature Page to Supplemental Indenture] 








					
	Signed by				
	Valeant Pharmaceuticals Australasia Pty Limited (ACN 001 083 352)				
			
	in accordance with section 127 of the Corporations Act 2001 by a director and secretary/director:				
			
	 /s/ Robert R. Chai-Onn
				 /s/ Linda A. LaGorga

	Signature of director				Signature of director/secretary
			
	 Robert R. Chai-Onn
				 Linda A. LaGorga

	Name of director (please print)				Name of director/secretary (please print)
			
	Signed by				
	DermaTech Pty Ltd (ACN 003 982 161)				
			
	in accordance with section 127 of the Corporations Act 2001 by a director and secretary/director:				
			
	 /s/ Robert R. Chai-Onn
				 /s/ Howard B. Schiller

	Signature of director				Signature of director/secretary
			
	 Robert R. Chai-Onn
				 Howard B. Schiller

	Name of director (please print)				Name of director/secretary (please print)

 [Signature Page to Supplemental Indenture] 








					
	Signed by				
	Private Formula International Holdings Pty Ltd (ACN 095 450 918)				
			
	in accordance with section 127 of the Corporations Act 2001 by a director and secretary/director:				
			
	 /s/ Robert R. Chai-Onn
				 /s/ Howard B. Schiller

	Signature of director				Signature of director/secretary
			
	 Robert R. Chai-Onn
				 Howard B. Schiller

	Name of director (please print)				Name of director/secretary (please print)
			
	Signed by				
	Private Formula International Pty Ltd (ACN 095 451 442)				
			
	in accordance with section 127 of the Corporations Act 2001 by a director and secretary/director:				
			
	 /s/ Robert R. Chai-Onn
				 /s/ Howard B. Schiller

	Signature of director				Signature of director/secretary
			
	 Robert R. Chai-Onn
				 Howard B. Schiller

	Name of director (please print)				Name of director/secretary (please print)

 [Signature Page to Supplemental Indenture] 








					
	Signed by				
	Ganehill Pty Ltd (ACN 065 261 538)				
			
	in accordance with section 127 of the Corporations Act 2001 by a director and secretary/director:				
			
	 /s/ Robert R. Chai-Onn
				 /s/ Howard B. Schiller

	Signature of director				Signature of director/secretary
			
	 Robert R. Chai-Onn
				 Howard B. Schiller

	Name of director (please print)				Name of director/secretary (please print)

 [Signature Page to Supplemental Indenture] 








					
	Signed by				
	Bausch & Lomb (Australia) Pty Ltd (ACN: 000 650 251)				
			
	in accordance with section 127 of the Corporations Act 2001 by a director and secretary/director:				
			
	 /s/ Linda A. LaGorga
				 /s/ Ling Zeng

	Signature of director				Signature of director/secretary
			
	 Linda A. LaGorga
				 Ling Zeng

	Name of director (please print)				Name of director/secretary (please print)

 [Signature Page to Supplemental Indenture] 







 
					
	HYTHE PROPERTY INCORPORATED
		
	By:		 /s/ Mauricio Zavala

			Name:		Mauricio Zavala
			Title:		Assistant Secretary



  
 [Signature Page to
Supplemental Indenture] 








 
					
	VALEANT INTERNATIONAL BERMUDA
		
	By:		 /s/ Graham Jackson

			Name:		Graham Jackson
			Title:		Director
	
	VALEANT PHARMACEUTICALS NOMINEE BERMUDA
		
	By:		 /s/ Peter McCurdy

			Name:		Peter McCurdy
			Title:		President and Assistant Secretary



  
 [Signature Page to
Supplemental Indenture] 








 
					
	PROBIÓTICA LABORATÓRIOS LTDA.
		
	By:		 /s/ Marcelo Noll Barboza

			Name:		Marcelo Noll Barboza
			Title:		Officer
		
	By:		 /s/ Guilherme Maradei

			Name:		Guilherme Maradei
			Title:		Officer



  
 [Signature Page to
Supplemental Indenture] 








 
					
	IOLAB CORPORATION
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Treasurer
	
	TECHNOLAS PERFECT VISION, INC.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Senior Vice President and Treasurer
	
	BAUSCH & LOMB PHARMA HOLDINGS CORP.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Senior Vice President and Treasurer
	
	BAUSCH & LOMB CHINA, INC.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Senior Vice President and Treasurer
	
	BAUSCH & LOMB SOUTH ASIA, INC.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Senior Vice President and Treasurer
	
	BAUSCH & LOMB TECHNOLOGY CORPORATION
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Treasurer



  
 [Signature Page to
Supplemental Indenture] 








 
					
	RHC HOLDINGS, INC.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Senior Vice President and Treasurer
	
	SIGHT SAVERS, INC.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Senior Vice President and Treasurer
	
	BAUSCH & LOMB INTERNATIONAL, INC.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Senior Vice President and Treasurer
	
	BAUSCH & LOMB REALTY CORPORATION.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Vice President and Treasurer
	
	ISTA PHARMACEUTICALS, LLC
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Senior Vice President and Treasurer
	
	VRX HOLDCO, INC.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Chief Financial Officer and Treasurer



  
 [Signature Page to
Supplemental Indenture] 








 
					
	VALEANT CANADA GP LIMITED
		
	By:		 /s/ Howard B. Schiller

			Name:		Howard B. Schiller
			Title:		Executive Vice President and Chief Financial Officer
	
	VALEANT CANADA S.E.C./VALEANT CANADA LP
		
	By:		 /s/ Howard B. Schiller

			Name:		Howard B. Schiller
			Title:		Executive Vice President and Chief
					Financial Officer
	
	V-BAC HOLDING CORP.
		
	By:		 /s/ Robert R. Chai-Onn

			Name:		Robert R. Chai-Onn
			Title:		Vice President



  
 [Signature Page to
Supplemental Indenture] 








 
					
	MEDICIS PHARMACEUTICAL CORPORATION
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Senior Vice President and Treasurer
	
	VALEANT PHARMACEUTICALS NORTH AMERICA LLC
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Senior Vice President and Treasurer
	
	DR. LEWINN’S PRIVATE FORMULA INTERNATIONAL, INC.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Senior Vice President and Treasurer
	
	PRINCETON PHARMA HOLDINGS, LLC
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Senior Vice President and Treasurer
	
	PRIVATE FORMULA CORP.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Senior Vice President and Treasurer



  
 [Signature Page to
Supplemental Indenture] 








 
					
	RENAUD SKIN CARE LABORATORIES, INC.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Senior Vice President and Treasurer



  
 [Signature Page to
Supplemental Indenture] 








 
					
	VALEANT BIOMEDICALS, INC.
		
	By:		 /s/ Howard B. Schiller

			Name:		Howard B. Schiller
			Title:		Chief Financial Officer and Treasurer
	
	OCEANSIDE PHARMACEUTICALS, INC.
		
	By:		 /s/ Howard B. Schiller

			Name:		Howard B. Schiller
			Title:		Chief Financial Officer and Treasurer
	
	BIOVAIL AMERICAS CORP.
		
	By:		 /s/ Howard B. Schiller

			Name:		Howard B. Schiller
			Title:		Chief Financial Officer and Treasurer
	
	ORAPHARMA, INC.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Senior Vice President and Treasurer
	
	ORAPHARMA TOPCO HOLDINGS, INC.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Senior Vice President and Treasurer



  
 [Signature Page to
Supplemental Indenture] 








 
					
	PRESTWICK PHARMACEUTICALS, INC.
		
	By:		 /s/ Howard B. Schiller

			Name:		Howard B. Schiller
			Title:		Chief Financial Officer and Treasurer



  
 [Signature Page to
Supplemental Indenture] 








 
					
	LABORATOIRE CHAUVIN S.A.S.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda LaGorga
			Title:		General Manager
	
	BAUSCH & LOMB FRANCE S.A.S.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda LaGorga
			Title:		General Manager
	
	BCF S.A.S.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda LaGorga
			Title:		General Manager
	
	CHAUVIN OPSIA S.A.S.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda LaGorga
			Title:		General Manager



  
 [Signature Page to
Supplemental Indenture] 








 
					
	VALEANT PHARMA HUNGARY LLC
		
	By:		 /s/ István Langer

			Name:		István Langer
			Title:		Managing Director
	
	VALEANT PHARMA HUNGARY LLC
		
	By:		 /s/ Zoltán Gábor

			Name:		Zoltán Gábor
			Title:		Managing Director



  
 [Signature Page to
Supplemental Indenture] 








 
					
	VALEANT PHARMACEUTICALS IRELAND
		
	By:		 /s/ Graham Jackson

			Name:		Graham Jackson
			Title:		Director
	
	VALEANT HOLDINGS IRELAND
		
	By:		 /s/ Graham Jackson

			Name:		Graham Jackson
			Title:		Director



  
 [Signature Page to
Supplemental Indenture] 








 
					
	B.L.J. COMPANY, LTD.
		
	By:		 /s/ Ian Dolling

			Name:		Ian Dolling
			Title:		Representative Director and President



  
 [Signature Page to
Supplemental Indenture] 








 
					
	AB SANITAS
		
	By:		 /s/ Karol Michalak

			Name:		Karol Michalak
			Title:		General Manager



  
 [Signature Page to
Supplemental Indenture] 








 
					
	BIOVAIL INTERNATIONAL S.Á.R.L.
		
	By:		 /s/ Giuseppe di Modica

			Name:		Giuseppe di Modica
			Title:		Manager
	
	VALEANT PHARMACEUTICALS LUXEMBOURG S.Á.R.L.
		
	By:		 /s/ Giuseppe di Modica

			Name:		Giuseppe di Modica
			Title:		Manager
	
	VALEANT INTERNATIONAL LUXEMBOURG S.Á.R.L.
		
	By:		 /s/ Giuseppe di Modica

			Name:		Giuseppe di Modica
			Title:		Manager
	
	BAUSCH & LOMB LUXEMBOURG S.Á.R.L.
		
	By:		 /s/ Giuseppe di Modica

			Name:		Giuseppe di Modica
			Title:		Manager



  
 [Signature Page to
Supplemental Indenture] 








 
					
	UCYCLYD PHARMA, INC.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Senior Vice President and Treasurer



  
 [Signature Page to
Supplemental Indenture] 








 
					
	VALEANT EUROPE B.V.
		
	By:		 /s/ Robert Meijer

			Name:		Robert Meijer
			Title:		Attorney-in-Fact
	
	BAUSCH & LOMB B.V.
		
	By:		 /s/ Robert Meijer

			Name:		Robert Meijer
			Title:		Attorney-in-Fact
	
	BAUSCH + LOMB OPS B.V.
		
	By:		 /s/ Robert Meijer

			Name:		Robert Meijer
			Title:		Attorney-in-Fact



  
 [Signature Page to
Supplemental Indenture] 








 
					
	PRZEDSIĘBIORSTWO FARMACEUTYCZNE JELFA S.A.
		
	By:		 /s/ Marcin Wnukowski

			Name:		Marcin Wnukowski
			Title:		Attorney-in-Fact
	
	VALEANT SP.Z O. O.
		
	By:		 /s/ Marcin Wnukowski

			Name:		Marcin Wnukowski
			Title:		Attorney-in-Fact
	
	VP VALEANT SP. Z O.O.SP.J.
		
	By:		 /s/ Marcin Wnukowski

			Name:		Marcin Wnukowski
			Title:		Attorney-in-Fact
	
	VALEANT SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ SP.J.
		
	By:		 /s/ Marcin Wnukowski

			Name:		Marcin Wnukowski
			Title:		Attorney-in-Fact



  
 [Signature Page to
Supplemental Indenture] 








 
					
	PHARMASWISS D.O.O., BEOGRAD
		
	By:		 /s/ Dejan Antonić

			Name:		Dejan Antonić
			Title:		General Manager
			
					(corporate stamp)



  
 [Signature Page to
Supplemental Indenture] 








 
					
	PHARMASWISS D.O.O.
		
	By:		 /s/ Senahil Asanagić

			Name:		Senahil Asanagić
			Title:		Director



  
 [Signature Page to
Supplemental Indenture] 








 
					
	INOVA PHARMACEUTICALS PROPRIETARY LIMITED
		
	By:		 /s/ Howard B. Schiller

			Name:		Howard B. Schiller
			Title:		Director



  
 [Signature Page to
Supplemental Indenture] 








 
					
	PHARMASWISS SA
		
	By:		 /s/ Matthias Courvoisier

			Name:		Matthias Courvoisier
			Title:		Director



  
 [Signature Page to
Supplemental Indenture] 








 
	
	Executed by BAUSCH & LOMB U.K. LIMITED, acting by:
	
	 /s/ Linda A. LaGorga

	Director
	
	Name of director: Linda A. LaGorga in the presence of:
	
	 /s/ Kaleena Nguyen

	Name of witness: Kaleena Nguyen
	Address:
	Occupation:



  
 [Signature Page to
Supplemental Indenture] 








 
					
	BAUSCH & LOMB IOM S.P.A.
		
	By:		 /s/ Linda A. LaGorga

			Name:		Linda A. LaGorga
			Title:		Director



  
 [Signature Page to
Supplemental Indenture] 









											
	SIGNED for and on behalf		)								
	of VALEANT PHARMACEUTICALS NEW ZEALAND LIMITED 		 )
 )
		/s/ Howard Schiller		/s/ Robert R. Chai-Onn
		  		    	  

					Name:		Howard Schiller		Name:		Robert R. Chai-Onn
					Title:		Director		Title:		Director


  
 [Signature Page to
Supplemental Indenture] 








 
					
	INOVA PHARMACEUTICALS (SINGAPORE) PTE LIMITED
		
	By:		 /s/ Howard Schiller

			Name:		Howard Schiller
			Title:		Director



  
 [Signature Page to
Supplemental Indenture] 








 
					
	THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., as Trustee
		
	By:		 /s/ Jonathan Glover

			Name:		Jonathan Glover
			Title:		Vice President



  
 [Signature Page to
Supplemental Indenture] 









					
	Acknowledged and Agreed by:
	
	VRX ESCROW CORP.
		
	By:		 /s/ Linda LaGorga

			Name:		Linda LaGorga
			Title:		Senior Vice President and Treasurer


  
 [Signature Page to
Supplemental Indenture]