Fourth Supplemental Indenture



 Exhibit 4.25 
 FOURTH SUPPLEMENTAL INDENTURE 
 FOURTH SUPPLEMENTAL INDENTURE
(this “Supplemental Indenture”), dated as of January 30, 2007, among PNK Development 7, LLC, a Delaware limited liability company, PNK Development 8, LLC, a Delaware limited liability company, PNK Development 9, LLC, a Delaware
limited liability company, PNK (SCB), L.L.C., a Louisiana limited liability company and PNK (Baton Rouge) Partnership, a Louisiana Partnership (each the “Guarantying Subsidiary” and collectively, the “Guarantying
Subsidiaries”), each either direct or indirect subsidiary of Pinnacle Entertainment, Inc., a Delaware corporation (the “Company”), the Company, the other Guarantors (as defined in the Indenture referred to herein) and The
Bank of New York Trust Company, N.A., a national banking corporation and a successor to The Bank of New York, as trustee under the Indenture referred to below (the “Trustee”). 
 W I T N E S S E T H 
 WHEREAS,
the Company has heretofore executed and delivered to the Trustee an indenture (the “Indenture”), dated as of March 15, 2004, and as amended as of December 3, 2004, and as further amended as of October 19, 2005, and as
further amended as of November 17, 2006, providing for the issuance of 8 1/4% Senior Subordinated Notes due
2012 (the “Notes”); 
 WHEREAS, the Indenture provides that under certain circumstances the Guarantying Subsidiaries
shall execute and deliver to the Trustee a supplemental indenture pursuant to which the Guarantying Subsidiaries shall unconditionally guarantee all of the Company’s Obligations under the Notes and the Indenture on the terms and conditions set
forth herein (the “Guaranty”); and 
 WHEREAS, pursuant to Section 9.01 of the Indenture, the Trustee is 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, each Guarantying Subsidiary and the Trustee mutually covenant and agree for the equal and ratable benefit of the Holders of the Notes as follows: 
 1. CAPITALIZED TERMS. Capitalized terms used herein without definition shall have the meanings assigned to them in the
Indenture. 
 2. AGREEMENT TO GUARANTY. Each Guarantying Subsidiary hereby agrees to provide an
unconditional Guaranty on the terms and subject to the conditions set forth in the Guaranty and in the Indenture including but not limited to Article 11 thereof. 
 4. NO RECOURSE AGAINST OTHERS. No past, present or future director, officer, employee, incorporator, member, partner, stockholder or agent of the Guarantying
Subsidiaries, as such, shall have any liability for any obligations of the Company or any of 

  

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the Guarantying Subsidiaries under the Notes, any Guaranties, the Indenture or this Supplemental Indenture or for any claim based on, in respect of, or by
reason of, such obligations or their creation. Each Holder of the Notes by accepting a Note waives and releases all such liability. The waiver and release are part of the consideration for issuance of the Notes. Such waiver may not be effective to
waive liabilities under the federal securities laws and it is the view of the SEC that such a waiver is against public policy. 
 5. NEW YORK
LAW TO GOVERN. THE INTERNAL LAW OF THE STATE OF NEW YORK SHALL GOVERN AND BE USED TO CONSTRUE THIS SUPPLEMENTAL INDENTURE WITHOUT GIVING EFFECT TO APPLICABLE PRINCIPLES OF CONFLICTS OF LAW TO THE EXTENT THAT THE APPLICATION OF THE LAWS OF ANOTHER
JURISDICTION WOULD BE REQUIRED THEREBY. 
 6. 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. 
 7. EFFECT
OF HEADINGS. The Section headings herein are for convenience only and shall not affect the construction hereof. 
 8. THE TRUSTEE. The Trustee shall not be responsible in any manner whatsoever for or in respect of the validity or sufficiency of this Supplemental Indenture or for or in respect of the recitals contained
herein, all of which recitals are made solely by the Guarantying Subsidiaries and the Company. 
 [Signature pages follow] 
  

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

					
	 PNK DEVELOPMENT 7, LLC,
 a Delaware limited
liability company

		
	By:	 	Pinnacle Entertainment, Inc.,
	Its:	 	Sole Member
			
		 	By:	 	/s/ Stephen H. Capp
		 	Name:	 	Stephen H. Capp
		 	Title:	 	Chief Financial Officer
	
	 PNK DEVELOPMENT 8, LLC,
 a Delaware limited
liability company

		
	By:	 	Pinnacle Entertainment, Inc.,
	Its:	 	Sole Member
			
		 	By:	 	/s/ Stephen H. Capp
		 	Name:	 	Stephen H. Capp
		 	Title:	 	Chief Financial Officer
	
	 PNK DEVELOPMENT 9, LLC,
 a Delaware limited
liability company

		
	By:	 	Pinnacle Entertainment, Inc.,
	Its:	 	Sole Member
			
		 	By:	 	/s/ Stephen H. Capp
		 	Name:	 	Stephen H. Capp
		 	Title:	 	Chief Financial Officer


  

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	 PNK (SCB), L.L.C.,
 a Louisiana limited
liability company

		
	By:	 	 PNK Development 7, LLC,
 its sole
member

			
		 	By:	 	 Pinnacle Entertainment, Inc.,
 its sole
member

				
		 		 	By:	 	/s/ Stephen H. Capp
		 		 	Name:	 	Stephen H. Capp
		 		 	Its:	 	Chief Financial Officer
	
	 PNK (BATON ROUGE) PARTNERSHIP,
 a Louisiana
Partnership

		
	By:	 	 PNK Development 8, LLC,
 its
partner

			
		 	By:	 	 Pinnacle Entertainment, Inc.,
 its sole
member

				
		 		 	By:	 	/s/ Stephen H. Capp
		 		 	Name:	 	Stephen H. Capp
		 		 	Its:	 	Chief Financial Officer
		
	By:	 	 PNK Development 9, LLC,
 its
partner

			
		 	By:	 	 Pinnacle Entertainment, Inc.,
 its sole
member

				
		 		 	By:	 	/s/ Stephen H. Capp
		 		 	Name:	 	Stephen H. Capp
		 		 	Its:	 	Chief Financial Officer


  

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	 PINNACLE ENTERTAINMENT, INC.,
 a Delaware
corporation

		
	By:	 	/s/ Stephen H. Capp
	Name:	 	Stephen H. Capp
	Title:	 	Chief Financial Officer
	
	 BILOXI CASINO CORP.,
 a Mississippi
corporation

	
	 CASINO MAGIC CORP.,
 a Minnesota
corporation

	
	 CASINO ONE CORPORATION,
 a Mississippi
corporation

	
	 PNK (BOSSIER CITY), INC.,
 a Louisiana
corporation

		
	By:	 	/s/ Stephen H. Capp
	Name:	 	Stephen H. Capp
	Title:	 	Chief Financial Officer or Treasurer
	
	 BELTERRA RESORT INDIANA, LLC,
 a Nevada
limited liability company

		
	By:	 	 Pinnacle Entertainment, Inc,
 its Sole
Member

			
		 	By:	 	/s/ Stephen H. Capp
		 	Name:	 	Stephen H. Capp
		 	Title:	 	Chief Financial Officer
	
	 BOOMTOWN, LLC,
 a Delaware limited liability
company

		
	By:	 	 Pinnacle Entertainment, Inc,
 its Sole
Member

			
		 	By:	 	/s/ Stephen H. Capp
		 	Name:	 	Stephen H. Capp
		 	Title:	 	Chief Financial Officer


  

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	 PNK (LAKE CHARLES), L.L.C.,
 a Louisiana
limited liability company

		
	By:	 	 Pinnacle Entertainment, Inc.,
 its Sole
Member and Manager

			
		 	By:	 	/s/ Stephen H. Capp
		 	Name:	 	Stephen H. Capp
		 	Title:	 	Chief Financial Officer
	
	 PNK (RENO), LLC,
 a Nevada limited liability
company

		
	By:	 	 Pinnacle Entertainment, Inc,
 its sole
member

			
		 	By:	 	/s/ Stephen H. Capp
		 	Name:	 	Stephen H. Capp
		 	Title:	 	Chief Financial Officer
	
	 LOUISIANA-I GAMING,
 a Louisiana Partnership
in Commendam

		
	By:	 	 Boomtown, LLC,
 its
Partner

			
		 	By:	 	 Pinnacle Entertainment, Inc.
 its Sole
Member

				
		 		 	By:	 	/s/ Stephen H. Capp
		 		 	Name:	 	Stephen H. Capp
		 		 	Title:	 	Chief Financial Officer
		
	By:	 	 Pinnacle Entertainment, Inc.,
 its
Partner

			
		 	By:	 	/s/ Stephen H. Capp
		 	Name:	 	Stephen H. Capp
		 	Title:	 	Chief Financial Officer


  

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	 PNK (ES), LLC,
 a Delaware limited liability
company

		
	By:	 	 Pinnacle Entertainment, Inc.
 its Sole
Member

			
		 	By:	 	/s/ Stephen H. Capp
		 	Name:	 	Stephen H. Capp
		 	Title:	 	Chief Financial Officer
	
	 PNK (ST. LOUIS RE), LLC,
 a Delaware limited
liability company

		
	By:	 	Pinnacle Entertainment, Inc.
	Its:	 	Sole Member
			
		 	By:	 	/s/ Stephen H. Capp
		 	Name:	 	Stephen H. Capp
		 	Title:	 	Chief Financial Officer
	
	 AREP BOARDWALK PROPERTIES LLC,
 a Delaware
limited liability company

		
	By:	 	Biloxi Casino Corp.
	its:	 	Sole Member
			
		 	By:	 	/s/ Stephen H. Capp
		 	Name:	 	Stephen H. Capp
		 	Title:	 	Treasurer


  

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	 THE BANK OF NEW YORK TRUST
COMPANY, N.A.
 as Trustee

		
	By:	 	/s/ Michelle Larios
	 Name:
	 	Michelle Larios
	 Title:
	 	Assistant Treasurer


  

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