EX-4.3



 Exhibit 4.3 

EXECUTION VERSION 
 THIRD
SUPPLEMENTAL INDENTURE (this “Third Supplemental Indenture”), dated as of March 31, 2014, among Navios Maritime Acquisition Corporation, a Marshall Islands corporation, (the “Company”), Navios Acquisition
Finance (US) Inc., a Delaware corporation (together with the Company, the “Co-Issuers”), the Guarantors (as defined in the Indenture referred to herein) and Wells Fargo Bank, National Association, as trustee (or its permitted
successor) under the Indenture referred to below (the “Trustee”) and as collateral trustee (or its permitted successor) under the Indenture referred to below (the “Collateral Trustee”).  

WITNESSETH 
 WHEREAS, the
Co-Issuers and the Guarantors have heretofore executed and delivered to the Trustee that certain indenture (as amended and supplemented, the “Indenture”), dated as of November 13, 2013 providing for the issuance of 8.125% First
Priority Ship Mortgage Notes due 2021 (the “Notes”); 
 WHEREAS, Section 9.01(7) of the Indenture provides, among
other things, that the Co-Issuers, the Guarantors, the Trustee and the Collateral Trustee, as applicable, may amend, waive, supplement or otherwise modify the Indenture, the Notes, the Note Guarantees, any Security Document or any other agreement or
instrument entered into in connection with the Indenture without notice to or consent of any Holder of a Note to provide for the issuance of Additional Notes in accordance with the terms of the Indenture; and 

WHEREAS, pursuant to Section 9.01 of the Indenture, the Trustee and the Collateral Trustee are authorized to execute and deliver this
Third Supplemental Indenture. 
 NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the
receipt of which is hereby acknowledged, the Co-Issuers, the Guarantors, the Trustee and the Collateral 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. ADDITIONAL NOTES. On or after the date hereof, the Co-Issuers shall issue $60,000,000 in aggregate principal amount of Additional Notes
which shall be considered Notes for all purposes under the Indenture. The Additional Notes and the Trustee’s certificate of authentication shall be substantially in the form included in the Indenture. For the avoidance of doubt, it is hereby
confirmed and acknowledged that the Parallel Debt (as defined in Section 11.13 of the Indenture) includes an amount equal to any and all sums of money from time to time due by the Co-Issuers or any Guarantor in accordance with the terms of the
Additional Notes. 
 3. RATIFICATION. Except as expressly amended and supplemented by this Third Supplemental Indenture, each provision of
the Indenture (including any pledge or grant of security interests, mortgages or other liens on the Co-Issuers’ and Guarantors’ assets, including, without limitation, the grant of the security interest and lien on the Co-Issuers in all of
their right, title and interest in the Collateral, as security for the obligations under the Indenture and the Notes as described therein) shall remain in full force and effect, and the Indenture is in all respects agreed to, ratified and confirmed
by each of the Co-Issuers, the Guarantors, the Trustee, Collateral Agent, Registrar and Paying Agent. 







 4. NEW YORK LAW TO GOVERN. THIS THIRD SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY AND CONSTRUED
IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK, WITHOUT GIVING EFFECT TO CONFLICTS OF LAW PRINCIPLES TO THE EXTENT THAT THE APPLICATION OF THE LAWS OF ANOTHER JURISDICTION WOULD BE REQUIRED THEREBY. 

5. COUNTERPARTS. The parties may sign any number of copies of this Third Supplemental Indenture. Each signed copy shall be an original, but
all of them together represent the same agreement. 
 6. EFFECT OF HEADINGS. The Section headings herein are for convenience only and shall
not affect the construction hereof. 
 7. THE TRUSTEE. The Trustee shall not be responsible in any manner whatsoever for or in respect of
the validity or sufficiency of this Third Supplemental Indenture or for or in respect of the recitals contained herein, all of which recitals are made solely by the Guarantors and the Co-Issuers. 







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

			
	NAVIOS MARITIME ACQUISITION CORPORATION
		
	By:	 	 /s/ Leonidas Korres

		 	Name:   Leonidas Korres
		 	Title:     Chief Financial Officer
	
	NAVIOS ACQUISITION FINANCE (US) INC.
		
	By:	 	 /s/ Vasiliki Papaefthymiou

		 	Name:   Vasiliki Papaefthymiou
		 	Title:     President/Secretary


 [Signature Page to Supplemental Indenture] 








			
	GUARANTORS:
	
	LEFKADA SHIPPING CORPORATION
	KERKYRA SHIPPING CORPORATION
	ZAKYNTHOS SHIPPING CORPORATION
	DONOUSSA SHIPPING CORPORATION
	SCHINOUSA SHIPPING CORPORATION
	SIKINOS SHIPPING CORPORATION
	LIMNOS SHIPPING CORPORATION
	SKYROS SHIPPING CORPORATION
	ALONNISOS SHIPPING CORPORATION
	MAKRONISOS SHIPPING CORPORATION
	IRAKLIA SHIPPING CORPORATION
	THASOS SHIPPING CORPORATION
	SAMOTHRACE SHIPPING CORPORATION
	PAXOS SHIPPING CORPORATION
	ANTIPAXOS SHIPPING CORPORATION
	OINOUSSES SHIPPING CORPORATION
	ANTIPSARA SHIPPING CORPORATION
	PSARA SHIPPING CORPORATION
	KITHIRA SHIPPING CORPORATION
	ANTIKITHIRA SHIPPING CORPORATION
	AMINDRA NAVIGATION CO.
	SERIFOS SHIPPING CORPORATION
	FOLEGANDROS SHIPPING CORPORATION
	NAVIOS ACQUISITION EUROPE FINANCE INC.
		
	By:	 	 /s/ Alexandros Laios

		 	Name:   Alexandros Laios
		 	Title:     Secretary /Director
	
	SHINYO DREAM LIMITED
	SHINYO KANNIKA LIMITED
	SHINYO LOYALTY LIMITED
	SHINYO NAVIGATOR LIMITED
	SHINYO OCEAN LIMITED
	SHINYO SAOWALAK LIMITED
	SHINYO KIERAN LIMITED
		
	By:	 	 /s/ Alexandros Laios

		 	Name:   Alexandros Laios
		 	Title:     Director


 [Signature Page to Supplemental Indenture] 







 
			
	GUARANTORS:
	
	AEGEAN SEA MARITIME HOLDINGS INC.
		
	By:	 	 /s/ Vasiliki Papaefthymiou

		 	 Name:  Vasiliki Papaefthymiou

		 	 Title:    Secretary/Director

	
	THERA SHIPPING CORPORATION
	TINOS SHIPPING CORPORATION
	AMORGOS SHIPPING CORPORATION
	ANDROS SHIPPING CORPORATION
	ANTIPAROS SHIPPING CORPORATION
	CRETE SHIPPING CORPORATION
	IKARIA SHIPPING CORPORATION
	IOS SHIPPING CORPORATION
	KOS SHIPPING CORPORATION
	MYTILENE SHIPPING CORPORATION
	RHODES SHIPPING CORPORATION
	SIFNOS SHIPPING CORPORATION
	SKIATHOS SHIPPING CORPORATION
	SKOPELOS SHIPPING CORPORATION
	SYROS SHIPPING CORPORATION
		
	By:	 	 /s/ George Achniotis

		 	 Name:  George Achniotis

		 	 Title:    President/Director



 [Signature Page to Supplemental Indenture] 







 
			
	
	WELLS FARGO BANK, NATIONAL ASSOCIATION, as Trustee
		
	By:	 	 /s/ Martin Reed

		 	 Name:  Martin Reed

		 	 Title:    Vice President

	
	 WELLS FARGO BANK, NATIONAL ASSOCIATION,

as Collateral Trustee

		
	By:	 	 /s/ Martin Reed

		 	 Name:  Martin Reed

		 	 Title:    Vice President



 [Signature Page to the Supplemental Indenture]