Exhibit


Exhibit 10.307




Counterpart to Registration Rights Agreement
September 30, 2015
Each of the undersigned hereby absolutely, unconditionally and irrevocably agrees as a Guarantor, as defined in the Registration Rights Agreement, dated January 27, 2015 by and among Endo Finance LLC, a Delaware limited liability company, Endo Finco Inc., a Delaware corporation, and Endo Designated Activity Company, an Irish private limited company, the Guarantors party thereto, RBC Capital Markets, LLC and Citigroup Global Markets Inc., relating to the 6.00% Senior Notes due 2025, to be bound by the terms and provisions of such Registration Rights Agreement.
[Signature Pages Follow]







IN WITNESS WHEREOF, each of the undersigned has executed this counterpart as of the date first written above.


	
				
	PAR PHARMACEUTICAL COMPANIES, INC.

	as a Guaranteeing Subsidiary

	 
	 
	 
	 

	 
	 
	 
	 

	By:
	/s/
	Deanna Voss
	 

	Name:
	Deanna Voss
	 

	Title:
	Assistant Secretary
	 

	 
	 
	 
	 

	 
	 
	 
	 

	 
	 
	 
	 

	PAR PHARMACEUTICAL, INC.

	as a Guaranteeing Subsidiary

	 
	 
	 
	 

	 
	 
	 
	 

	By:
	/s/
	Deanna Voss
	 

	Name:
	Deanna Voss
	 

	Title:
	Assistant Secretary
	 

	 
	 
	 
	 

	 
	 
	 
	 

	 
	 
	 
	 

	ANCHEN INCORPORATED

	as a Guaranteeing Subsidiary

	 
	 
	 
	 

	 
	 
	 
	 

	By:
	/s/
	Deanna Voss
	 

	Name:
	Deanna Voss
	 

	Title:
	Assistant Secretary
	 

	 
	 
	 
	 

	 
	 
	 
	 

	 
	 
	 
	 

	PAR, INC.

	as a Guaranteeing Subsidiary

	 
	 
	 
	 

	 
	 
	 
	 

	By:
	/s/
	Deanna Voss
	 

	Name:
	Deanna Voss
	 

	Title:
	Assistant Secretary
	 











[Signature to Registration Rights Agreement Counterpart – 6.00% Senior Notes due 2025]




	
				
	JHP GROUP HOLDINGS, INC. 

	as a Guaranteeing Subsidiary

	 
	 
	 
	 

	 
	 
	 
	 

	By:
	/s/
	Deanna Voss
	 

	Name:
	Deanna Voss
	 

	Title:
	Assistant Secretary
	 

	 
	 
	 
	 

	 
	 
	 
	 

	 
	 
	 
	 

	JHP ACQUISITION, LLC

	as a Guaranteeing Subsidiary

	by JHP GROUP HOLDINGS, INC., as Manager 

	 
	 
	 
	 

	 
	 
	 
	 

	By:
	/s/
	Deanna Voss
	 

	Name:
	Deanna Voss
	 

	Title:
	Assistant Secretary
	 

	 
	 
	 
	 

	 
	 
	 
	 

	 
	 
	 
	 

	PAR STERILE PRODUCTS, LLC

	as a Guaranteeing Subsidiary

	by JHP ACQUISITION, LLC, as Manager

	by JHP GROUP HOLDINGS, INC., its manager

	 
	 
	 
	 

	 
	 
	 
	 

	By:
	/s/
	Deanna Voss
	 

	Name:
	Deanna Voss
	 

	Title:
	Assistant Secretary
	 

















[Signature to Registration Rights Agreement Counterpart – 6.00% Senior Notes due 2025]




	
				
	ANCHEN PHARMACEUTICALS, INC.

	as a Guaranteeing Subsidiary

	 
	 
	 
	 

	 
	 
	 
	 

	By:
	/s/
	Deanna Voss
	 

	Name:
	Deanna Voss
	 

	Title:
	Assistant Secretary
	 















[Signature to Registration Rights Agreement Counterpart – 6.00% Senior Notes due 2025]




	
				
	KALI LABORATORIES, INC.

	as a Guaranteeing Subsidiary

	 
	 
	 
	 

	 
	 
	 
	 

	By:
	/s/
	Deanna Voss
	 

	Name:
	Deanna Voss
	 

	Title:
	Assistant Secretary
	 




   



[Signature to Registration Rights Agreement Counterpart – 6.00% Senior Notes due 2025]




	
				
	INNOTEQ, INC.

	as a Guaranteeing Subsidiary

	 
	 
	 
	 

	 
	 
	 
	 

	By:
	/s/
	Deanna Voss
	 

	Name:
	Deanna Voss
	 

	Title:
	Assistant Secretary
	 















[Signature to Registration Rights Agreement Counterpart – 6.00% Senior Notes due 2025]




	
				
	PAR LABORATORIES EUROPE, LTD

	as a Guaranteeing Subsidiary

	 
	 
	 
	 

	 
	 
	 
	 

	By:
	/s/
	Orla Dunlea
	 

	Name:
	Orla Dunlea
	 

	Title:
	Director
	 







[Signature to Registration Rights Agreement Counterpart – 6.00% Senior Notes due 2025]




	
				
	ENDO FINANCE IV LIMITED

	as a Guaranteeing Subsidiary

	 
	 
	 
	 

	 
	 
	 
	 

	By:
	/s/
	Orla Dunlea
	 

	Name:
	Orla Dunlea
	 

	Title:
	Director
	 







[Signature to Registration Rights Agreement Counterpart – 6.00% Senior Notes due 2025]