THIRD SUPPLEMENTAL THIRD LIEN INDENTURE

Exhibit 4.6

Execution Version

THIRD SUPPLEMENTAL THIRD LIEN INDENTURE

THIRD SUPPLEMENTAL THIRD LIEN INDENTURE (this “Supplemental Indenture”), dated as of February 13, 2019, among Vantage Drilling International (f/k/a Offshore Group Investment Limited), a Cayman Islands exempted company (the “Company”), ADVantage Drilling Services S.A.E., an Egyptian joint stock company (the “Guaranteeing Subsidiary”), a subsidiary of the Company, the other Guarantors (as defined in the Indenture referred to herein) and U.S. Bank National Association, as Trustee and as Noteholder Collateral Agent under the Indenture referred to below (in such capacities, collectively, 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 “Original Indenture”), dated as of February 10, 2016, providing for the issuance of 1% / 12% Step-Up Senior Secured Third Lien Convertible Notes due 2030 (the “Notes”), as amended by the first supplemental indenture thereto, dated as of June 8, 2016 (the “First Supplemental Indenture,” and the Original Indenture, (as amended, supplemented, amended and restated, or otherwise modified from time to time, the “Indenture”);

WHEREAS, the Indenture provides that under certain circumstances the Guaranteeing Subsidiary shall execute and deliver to the Trustee a supplemental indenture pursuant to which the Guaranteeing Subsidiary shall unconditionally guarantee all of the Company’s Obligations under the Notes and the Indenture on the terms and conditions set forth herein (the “Note Guarantee”); and

WHEREAS, pursuant to Section 9.01 (“Without Consent of Holders”) 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, the Guaranteeing 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 GUARANTEE. The Guaranteeing Subsidiary hereby agrees to provide an unconditional Note Guarantee on the terms and subject to the conditions set forth in the Note Guarantee and in the Indenture including but not limited to Article 11 thereof, and subject to the limitations therein.

3. NO RECOURSE AGAINST OTHERS. No director, officer, employee, incorporator or stockholder of the Company or any Guarantor, as such, will have any liability for any obligations of the Company or the Guarantors under the Notes, the Indenture or the Note Guarantees or for any claim based on, in respect of, or by reason of, such obligations or their creation. Each Holder by accepting a Note waives and releases all such liability. The waiver and release are part of the consideration for issuance of the Notes. The waiver may not be effective to waive liabilities under the federal securities laws.

4. NEW YORK LAW TO GOVERN. THE LAWS OF THE STATE OF NEW YORK SHALL GOVERN AND BE USED TO CONSTRUE THIS SUPPLEMENTAL INDENTURE.

5. 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.

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 Supplemental Indenture or for or in respect of the recitals contained herein, all of which recitals are made solely by the Guaranteeing Subsidiary and the Company.

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

COMPANY: VANTAGE DRILLING INTERNATIONAL, as the Company
By:		/s/ Xxxxxxx X. Xxxxxxx
Name:		Xxxxxxx X. Xxxxxxx
Title:		Vice President, General Counsel & Secretary
GUARANTEEING SUBSIDIARY: ADVANTAGE DRILLING SERVICES S.A.E., as Guarantor
By:		/s/ Xxxxxx Xxxxxxxx
Name:		Xxxxxx Xxxxxxxx
Title:		Director

[Third Supplemental Indenture to Third Lien Indenture]

EXISTING GUARANTORS: DRAGONQUEST HOLDINGS COMPANY, as Guarantor
By:		/s/ Xxxxxxx X. Xxxxxxx
Name:		Xxxxxxx X. Xxxxxxx
Title:		Vice President, General Counsel & Secretary
EMERALD DRILLER COMPANY, as Guarantor
By:		/s/ Xxxxxxx X. Xxxxxxx
Name:		Xxxxxxx X. Xxxxxxx
Title:		Vice President, General Counsel & Secretary
P2021 RIG CO., as Guarantor
By:		/s/ Xxxxxxx X. Xxxxxxx
Name:		Xxxxxxx X. Xxxxxxx
Title:		Vice President, General Counsel & Secretary
P2020 RIG CO., as Guarantor
By:		/s/ Xxxxxxx X. Xxxxxxx
Name:		Xxxxxxx X. Xxxxxxx
Title:		Vice President, General Counsel & Secretary

[Third Supplemental Indenture to Third Lien Indenture]

PT. VANTAGE DRILLING COMPANY INDONESIA, as Guarantor
By:		/s/ Xxxxxxx X. Xxxxxxx
Name:		Xxxxxxx X. Xxxxxxx
Title:		Commissioner
By:		/s/ Alisdair Xxxxx Xxxxxx
Name:		Alisdair Xxxxx Xxxxxx
Title:		Director
By:		/s/ Haji Setiantoro
Name:		Haji Setiantoro
Title:		Director
By:		/s/ Xxxxxxx Xxxxxx
Name:		Xxxxxxx Xxxxxx
Title:		President Director
By:		/s/ Xxxxxx X. Xxxxxx
Name:		Xxxxxx X. Xxxxxx
Title:		Director
SAPPHIRE DRILLER COMPANY, as Guarantor
By:		/s/ Xxxxxxx X. Xxxxxxx
Name:		Xxxxxxx X. Xxxxxxx
Title:		Vice President, General Counsel & Secretary
VANTAGE DEEPWATER COMPANY, as Guarantor
By:		/s/ Xxxxxxx X. Xxxxxxx
Name:		Xxxxxxx X. Xxxxxxx
Title:		Vice President, General Counsel & Secretary
VANTAGE DEEPWATER DRILLING, INC., as Guarantor
By:		/s/ Xxxxxxx X. Xxxxxxx
Name:		Xxxxxxx X. Xxxxxxx
Title:		Vice President, General Counsel & Secretary

[Third Supplemental Indenture to Third Lien Indenture]

VANTAGE DELAWARE HOLDINGS, LLC, as Guarantor
By:		/s/ Xxxxxxx X. Xxxxxxx
Name:		Xxxxxxx X. Xxxxxxx
Title:		Vice President, General Counsel & Secretary
VANTAGE DRILLER I CO, as Guarantor
By:		/s/ Xxxxxxx X. Xxxxxxx
Name:		Xxxxxxx X. Xxxxxxx
Title:		Vice President, General Counsel & Secretary
VANTAGE DRILLER II CO, as Guarantor
By:		/s/ Xxxxxxx X. Xxxxxxx
Name:		Xxxxxxx X. Xxxxxxx
Title:		Vice President, General Counsel & Secretary
VANTAGE DRILLER III CO, as Guarantor
By:		/s/ Xxxxxxx X. Xxxxxxx
Name:		Xxxxxxx X. Xxxxxxx
Title:		Vice President, General Counsel & Secretary
VANTAGE DRILLER IV CO., as Guarantor
By:		/s/ Xxxxxxx X. Xxxxxxx
Name:		Xxxxxxx X. Xxxxxxx
Title:		Vice President, General Counsel & Secretary
VANTAGE DRILLER VI CO., as Guarantor
By:		/s/ Xxxxxxx X. Xxxxxxx
Name:		Xxxxxxx X. Xxxxxxx
Title:		Vice President, General Counsel & Secretary
VANTAGE DRILLING AFRICA, as Guarantor
By:		/s/ Xxxxxxx X. Xxxxxxx
Name:		Xxxxxxx X. Xxxxxxx
Title:		Vice President, General Counsel & Secretary

[Third Supplemental Indenture to Third Lien Indenture]

VANTAGE DRILLING (MALAYSIA) I SDN. BHD., as Guarantor
By:		/s/ Xxxxxxx Xxxxxx
Name:		Xxxxxxx Xxxxxx
Title:		Director
By:		/s/ Xxxxxxxx Xxxx Bin Ariffin
Name:		Xxxxxxxx Xxxx Bin Ariffin
Title:		Director
VANTAGE DRILLING LABUAN I LTD., as Guarantor
By:		/s/ Xxxxxx X. Xxxxxx
Name:		Xxxxxx X. Xxxxxx
Title:		Director
VANTAGE DRILLING NETHERLANDS B.V., as Guarantor
By:		/s/ Xxxxx X. Xxxxxxx
Name:		Xxxxx X. Xxxxxxx
Title:		Managing Director A
By:		/s/ Xxxx Xxxxxxxxx
Name:		Xxxx Xxxxxxxxx
Title:		Managing Director B
VANTAGE DRILLER ROCO S.R.L., as Guarantor
By:		/s/ Xxxxxx X. Xxxxxx
Name:		Xxxxxx X. Xxxxxx
Title:		Director
VANTAGE ENERGY SERVICES, INC., as Guarantor
By:		/s/ Xxxxxxx X. Xxxxxxx
Name:		Xxxxxxx X. Xxxxxxx
Title:		Vice President, General Counsel & Secretary

[Third Supplemental Indenture to Third Lien Indenture]

VANTAGE HOLDING HUNGARY KFT., as Guarantor
By:		/s/ Xxxxx X. Xxxxxxx
Name:		Xxxxx X. Xxxxxxx
Title:		Managing Director
By:		/s/ Jeno Xxxxx Xxxxxxx
Name:		Jeno Xxxxx Xxxxxxx
Title:		Managing Director
VANTAGE HOLDINGS CYPRUS ODC LIMITED, as Guarantor
By:		/s/ Xxxxx X. Xxxxxxx
Name:		Xxxxx X. Xxxxxxx
Title:		Director
By:		/s/ Omnium Services, Limited
Name:		Omnium Corporate and Trustee Services, Limited
Title:		Director
By:		/s/ Omnium Services, Limited
Name:		Omnium Services, Limited
Title:		Director
By:		/s/ Sansovino, Limited
Name:		Sansovino, Limited
Title:		Director
VANTAGE HOLDINGS MALAYSIA I CO., as Guarantor
By:		/s/ Xxxxxxx X. Xxxxxxx
Name:		Xxxxxxx X. Xxxxxxx
Title:		Vice President, General Counsel & Secretary
VANTAGE INTERNATIONAL MANAGEMENT CO., as Guarantor
By:		/s/ Xxxxxxx X. Xxxxxxx
Name:		Xxxxxxx X. Xxxxxxx
Title:		Vice President, General Counsel & Secretary

[Third Supplemental Indenture to Third Lien Indenture]

VANTAGE INTERNATIONAL MANAGEMENT COMPANY PTE. LTD. as Guarantor
By:		/s/ Xxxxxx X. Xxxxxx
Name:		Xxxxxx X. Xxxxxx
Title:		Director
By:		/s/ Xxxxxx X. Xxxxxx
Name:		Xxxxxx X. Xxxxxx
Title:		Director
By:		/s/ Xxxxxxx Xxxxxx
Name:		Xxxxxxx Xxxxxx
Title:		Director
By:		/s/ Xxxxx Xxxxxx
Name:		Xxxxx Xxxxxx
Title:		Director
By:		/s/ Xxxx Xxxxx, Xxxxx Xxx
Name:		Xxxx Xxxxx, Xxxxx Xxx
Title:		Director
RIG FINANCE LIMITED, as Guarantor
By:		/s/ Xxxxxxx X. Xxxxxxx
Name:		Xxxxxxx X. Xxxxxxx
Title:		Director

[Third Supplemental Indenture to Third Lien Indenture]

TRUSTEE: U.S. BANK NATIONAL ASSOCIATION
By:		/s/ Xxxxxxx X. Xxxxxx
Name:		Xxxxxxx X. Xxxxxx
Title:		Vice President

[Third Supplemental Indenture to Third Lien Indenture]