JOINDER AGREEMENT August 13, 2013

Exhibit 4.2

JOINDER AGREEMENT

August 13, 2013

Pursuant to Section 6(w)(i) of the Purchase Agreement dated July 30, 2013 (the “”Purchase Agreement”) by and among PNK Finance Corp. and J.P. Morgan Securities LLC, Goldman, Sachs & Co., Deutsche Bank Securities Inc., Merrill Lynch, Pierce, Fenner & Smith Incorporated, Wells Fargo Securities, LLC, Credit Agricole Securities (USA) Inc., Barclays Capital Inc. and UBS Securities LLC, as representatives of the several initial purchasers named in Schedule 1 attached to the Purchase Agreement (each such initial purchaser, an “Initial Purchaser” and, together, the “Initial Purchasers”), such section being an inducement to the Initial Purchasers to enter into the Purchase Agreement, each of the undersigned hereby executes this joinder agreement (the “Joinder Agreement”), whereby each of the undersigned agrees to accede, as a successor to PNK Finance Corp., a Delaware corporation (the “Company”), or as a Guarantor, as applicable, to the terms, applicable to the Company or Guarantors, as applicable, of the registration rights agreement (the “Registration Rights Agreement), dated as of August 5, 2013 (the “Closing Date”), among the Company and the Initial Purchasers. Capitalized terms used in this Joinder Agreement without definition have the respective meanings given to them in the Registration Rights Agreement.

Each of the undersigned undertakes to perform all of the obligations of the Company or the Guarantors, as applicable, set forth in the Registration Rights Agreement, as though each of the undersigned had entered into the Registration Rights Agreement on the Closing Date. Each of the undersigned agrees that such obligations include, without limitation, (a) its assumption of all of the obligations of the Company or the Guarantors, as applicable, to perform and comply with all of the agreements thereof contained in the Registration Rights Agreement and (b) its assumption, to the same extent as set forth therein, and on a joint and several basis, of all of the Company’s or the Guarantors’, as applicable, indemnification and other obligations contained in Section 8 of the Registration Rights Agreement.

This Joinder Agreement shall be governed and construed in accordance with the laws of the state of New York applicable to agreements made and to be performed in New York State.

This Joinder Agreement may be executed in any number of counterparts and by the parties hereto in separate counterparts, each of which when so executed shall be deemed to be an original and all of which taken together shall constitute one and the same agreement. Delivery of an executed counterpart of a signature page by facsimile, e-mail or other electronic means shall be effective as delivery of a manually executed counterpart.

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IN WITNESS WHEREOF, the undersigned have executed this Joinder Agreement as of the date first written above.