Document:

Exhibit
10.22

 

ADDENDUM
TO EMPLOYMENT AGREEMENT

 

THIS
ADDENDUM TO EMPLOYMENT AGREEMENT (the "Addendum Agreement") refers to the Employment Agreement entered between Moxian
(Hong Kong) Limited (the ‘Company’) and Luo Xiaoyuan (the 'Executive') on March 1, 2016.

 

Whereas,
the Parties to the Employment Agreement agree to make the following changes to Section 7.1 and 7.4 to:

 

	7	Remuneration 

 

	7.1	The Executive's salary will be at the rate of Chinese
Yuan Hundred Thousand, CNY50,000.00. Such salary shall be payable around the 15th of each month.

 

	7.4	The Executive
    is also entitled to a grant of non-statutory stock option to purchase up to 750,000 shares of the Moxian, Inc. common stock
    at an exercise price of $0.00 at the end of the third anniversary of this Agreement or the day when the Company or its parent
    Company is admitted to any major Exchange, whichever is earlier. ("ESOS"). If the parent Company, Moxian, Inc. by
    reason of recapitalization, share dividend, split combination or the like (`Corporate Action'), the 750,000 option shares
    shall be proportionate according to the Corporate
Action;

 

AGREED
BY:

 

Moxian
(Hong Kong) Limited

 

         

 

Executive

 

 

     

     

    

 

THIS
AGREEMENT is dated the lst day of October 2014 and made

 

 

BETWEEN: 

 

	(1)	Moxian
                                         (Hong Kong) Limited (the "Company"), of Room 1301, 13/F., Wing Tuk Commercial
                                         Centre, 177-183 Wing Lok Street, Sheung Wan, Hong Kong; and

 

	(2)	Mr
                                         Luo Xiaoyuan, Singapore Citizen, NRIC S7578249G, Passport: E4467365E (the "Executive"),
                                         of Block 351 Floor 15 Unit 123, Ang Mo Kio Street 32, Singapore 560351.

 

THE
PARTIES AGREE AS FOLLOWS: 

 

	1.	Interpretation
    

 

	.1.1.	In
    this Agreement, where the context admits:

 

The
"Board" means the board of directors of the Company or the directors present at a duly convened meeting of the
Company's directors at which a quorum is present and acting throughout.

 

"Confidential
Information" means any trade secrets or confidential information (which may include commercially sensitive information)
important to and relating to the business of the Company and/or any other Group Company or relating to any clients, employees,
consultants or officers of the Company and/or any other Group Company. Confidential information includes but is not limited to
confidential customer lists or requirements, pricing structures, marketing and sales information, business plans or dealings,
non-public financial information and plans, designs, formulae, product plans, research activities, and Intellectual Property;
any documents marked as confidential (or a similar expression); any information which the Executive has been told is of a confidential
nature or which might reasonably be expected by the Company and/or any other Group Company to be regarded as confidential; and/or
any information which has been given to the Company and/or any other Group Company in confidence.

 

"Commencement
Date" means lst October 2014, or such other mutually agreed date.

 

"Group
Company" means the Company, any subsidiary of the Company or any company in which the Company holds or controls more
than 20% in the nominal value of the shares in issue carrying voting rights. "Subsidiary" shall have the meaning given
to it in the Companies Ordinance.

 

"Intellectual
Property" means all intellectual and industrial property and all rights therein including, without limiting the generality
of the foregoing, all inventions (whether patentable or not, and whether or not patent protection has been applied for or granted),
improvements, developments, discoveries, proprietary information, trademarks, trade names, websites, internet domain names, logos,
art work, slogans, know-how, technical information, trade secrets, processes, designs (whether or not registrable and whether
or not design rights subsist in them), utility models, works in which copyright may subsist (including computer software and preparatory
and design materials therefor), and all works protected by rights or forms of protection of a similar nature or having equivalent
effect anywhere in the world.

 

"Prospective
Client" means any person (other than a Restricted Client) who, at any time during the Executive's employment, or, where
the covenant applies after termination of employment, at any time during the six month period immediately prior to the date of
his termination of employment, was a person:

 

		(1)	from
                                         whom the Company and/or any other Group Company solicited or has solicited business during
                                         the relevant period;

 

     

     

    

 

		(2)	to
                                         whom the Company and/or any other Group Company has made a presentation during the relevant
                                         period; or

 

		(3)	for
                                         whom the Company and/or any other Group Company has taken steps in preparing to solicit
                                         business during the relevant period,

 

and
with whom during such relevant period the Executive shall have had business dealings.

 

	.1.2.	In
    this Agreement, where the context admits:

 

		(A)	references
                                         to any statute or statutory provisions include a reference to those provisions as amended
                                         or re-enacted or as their application is modified by other provisions from time to time
                                         and any reference to a statutory provision shall include any subordinate legislation
                                         made from time to time under that provision;

 

		(B)	references
                                         to a "person" include any individual, company, body corporate, corporation
                                         sole or aggregate, government, state or agency of a state, firm, partnership, joint venture,
                                         association, organisation or trust (in each case, whether or not having separate legal
                                         personality and irrespective of the jurisdiction in or under the law of which it was
                                         incorporated or exists) and a reference to any of them shall include a reference to the
                                         others;

 

		(C)	any
                                         reference to "writing" shall include typewriting, printing, lithography,
                                         photography, telex, facsimile, electronic mail and other modes of representing or reproducing
                                         words in a legible form;

 

		(D)	words
                                         denoting the singular shall include the plural and vice versa; and

 

		(E)	the
                                         masculine gender shall be deemed to include the feminine gender.

 

	.1.3.	Headings
    are inserted for convenience only and shall not affect the construction of this Agreement.

 

	2.	Appointment,
    position and commencement of employment

 

	.2.1.	The
    Company has appointed the Executive and the Executive has agreed to serve the Company in the capacity of Vice President
    of Product.

 

	.2.2.	The
    Executive's employment has taken effect from the Commencement Date subject to the termination provisions in this Agreement.

 

	3.	Directorships
    

 

	.3.1.	The
    Executive may be reasonably required by the Board to accept appointment as director or other officer of the Company in connection
    with his appointment under this Agreement from time to time. In such event, the Executive shall reasonably accept such appointment.
    He shall also resign without claim for compensation from such directorship or office at any time on request by the Company
    and such resignation shall not affect the continuance in any way of this Agreement. The Executive shall immediately account
    to the Company for any director's fees or other emoluments, remuneration or payments either receivable or received by him
    by virtue of his holding such directorship or office (or waive any right to the same if so required by the Company).

 

    	 	2	 

     

    

 

	.3.2.	Save
    with the prior agreement in writing of the Board, the Executive shall not, during the continuance of this Agreement, resign
    from any directorship or office of the Company in which he holds a directorship at the Company's request, or do anything that
    would cause him to be disqualified from continuing to act as a director.

 

	.3.3.	In
    the event of the termination of the employment of the Executive for whatever reason and whether by notice or in any other
    manner whatsoever, the Executive shall, upon the request of the Board resign without claim for compensation from any directorships
    or offices of the Company in which he holds a directorship or office at the Board's request.

 

	.3.4.	Should
    the Executive fail to resign from any directorship or any other office when so requested by the Board, either during his employment
    or upon termination, the Company is irrevocably authorised to appoint a person in his name and on his behalf to execute any
    documents and to do all things required to give effect to the resignation.

 

	.3.5.	The
    Company will seek to purchase suitable Directors & Officer's liability insurance cover for the Executive, subject to any
    applicable legal requirements and compliance with any criteria or conditions imposed by the relevant insurer.

 

	4.	Duties

 

	.4.1.	The
    Executive shall exercise such powers, perform such duties and comply with such directions in relation to the business of the
    Company as the Board may, from time to time, confer upon or assign or give to him.

 

	.4.2.	The
    Executive shall during working hours devote his attention and abilities to the business of the Company with which the Executive
    is required by the Board to be concerned with and shall perform all duties commensurate with his position at such times as
    may be required by the Company. He shall use his best endeavours to promote and protect the general interests and welfare
    of the Company and such other Group Company.

 

	.4.3.	The
    Executive shall at all times promptly give to the Board (in writing if so requested) all such information, explanations and
    assistance as it may require in connection with the business of the Company with which the Executive is required by the Board
    to be concerned with.

 

	5.	Place
    of work

 

	.5.1.	The
    Executive's principal place of work be at the Company' China office, currently at Room 2313-2315 , Block B, Zhongshen Garden,
    Caitian South Road, Futian District, Shenzhen, Guangdong Province, China.

 

	6.	Hours
    of work

 

	.6.1.	The
    Executive shall work normal business hours from 09:30am to 06:00pm (Monday -   Friday).

 

	.6.2.	The Executive may also be required to work such additional
hours as may be necessary in the performance of his duties and powers under this Agreement. No overtime will be paid with respect
to any additional hours worked. 

 

    	 	3	 

     

    

 

	7.	Remuneration

 

	.7.1.	The
    Executive's salary will be at the rate of Chinese Yuan Hundred Thousand, CNY100,000.00. Such salary shall be payable
    around the 15th of each month.

 

	.7.2.	The
    Executive's salary shall be reviewed annually from the Commencement Date.

 

	.7.3.	A
    probation period of three (3) months will be effected from the Commencement Date. During the period of probation, either party
    may terminate employment by giving one (1) week notice.

 

	.7.4.	The
    Executive is also entitled to a grant of non-statutory stock option to purchase up to 1,500,000 shares of the Moxian China,
    Inc. common stock at an exercise price of $0.00 at the end of the third anniversary of this Agreement or the day when the
    Company or its parent Company is admitted to any major Exchange, whichever is earlier. ("ESOS")

 

	.7.5.	The
    terms and conditions of the ESOS granted to the Executive shall be subjected to the '2014 Moxian China Stock Option and Incentive
    Plan' stock option agreement.

 

	8.	Benefits
    and Expenses

 

	.8.1.	The
    Company shall pay or refund or procure to be paid or refunded to the Executive all reasonable travelling, entertainment and
    other similar out of pocket expenses necessarily and wholly incurred by the Executive in the proper performance of his duties.
    The Executive is required to produce evidence of such expenses as the Company may reasonably require.

 

	.8.2.	The
    Executive is entitled to such transportation and medical coverage arranged and paid for by the Company

 

	9.	Accommodations
    

 

	9.1	The
    Executive shall be entitled to accommodation to be arranged and fully paid for by the Company for personal use during the
    term of office in Shenzhen.

 

	10.	Annual
    leave and holidays

 

	.10.1.	The
    Executive will be entitled to five (5) working days annual leave per year exclusive of statutory and public holidays.

 

	.10.2.	The
    leave year currently runs from 1 January to 31 December. Subject to legal requirements, the Executive may carry over his annual
    leave days to the next leave year unless otherwise disapproved by the Company. Annual leave which is accrued but unused will
    be paid out upon termination, subject to applicable legal requirements.

 

	.10.3.	Annual
    leave pay for statutory leave will be calculated in accordance with the Employment Ordinance, and leave pay for additional
    annual leave shall be calculated as the Company shall determine from time to time. Payments in lieu of annual leave upon termination,
    if any, will also be calculated based on such formulae. The Executive shall be deemed to have taken statutory annual leave
    before additional leave.

 

	.10.4.	The
    Executive will be entitled to Saturday and Sunday as weekly days off but only Sunday will be treated as a statutory rest day
    under the Employment Ordinance.

 

    	 	4	 

     

    

 

	11.	Sickness

 

	.11.1.	The
    Executive is entitled to fourteen (14) days paid sick leave. The Company shall provide full pay for each day of paid sick
    leave.     Without prejudice to the Executive's appointment under this Agreement, the Company shall be entitled during any
    period of     the Executive's absence due to illness, injury or other incapacity to temporarily appoint another employee to
    perform the     duties and exercise the powers of the Executive in his place on such terms and conditions as the Company
    shall see fit.

 

	12.	Conflict
    of interest

 

	.12.1.	The
    Executive will disclose promptly to the Company in writing all his interests in any business other than that of the Company
    and any other Group Company and will notify the Company immediately of any change in his external interests.

 

	.12.2.	During
    the term of his employment, the Executive will not introduce to any other person, firm, company or organisation, business
    of any kind with which the Company and/or any other Group Company is able to deal and he will not have any outside financial
    interest in, or derive any financial or other benefit from, contracts or transactions entered into by the Company and/or any
    other Group Company without first disclosing such interest or benefit to the Company and obtaining its written approval.

 

	13.	Confidentiality

 

	.13.1.	As
    Confidential Information will from time to time become known to the Executive, the Company considers and the Executive acknowledges,
    that the following restraints are necessary for the reasonable protection by the Company of its business and/or the business
    of any other Group Company, the clients thereof or their respective affairs.

 

	.13.2.	The
    Executive shall not at any time, either during the continuance or after the cessation of his employment with the Company use,
    disclose or communicate to any person whatsoever any Confidential Information of which he has or may have become possessed
    during his employment with the Company or supply the contact details of any client, customer, supplier, agent, employee, consultant,
    or officers of the Company or any other Group Company to any person except in the proper course of his employment or as authorised
    in writing by the Company or as ordered by a court of competent jurisdiction.

 

	.13.3.	The
    Executive shall not at any time, either during the continuance or after the cessation of his employment with the Company make,
    otherwise than for the benefit of the Company and/or any other Group Company, any notes or memoranda relating to any matter
    within the scope of his duties or concerning any of the dealings or affairs of the Company and/or any other Group Company.

 

	.13.4.	The
    Executive shall not at any time, during the continuance or within twelve (12) months after cessation of his employment with
    the Company make any statement (whether written or oral) to any representative of television, radio, film, press or other
    similar media and shall not write any article for the press or otherwise for publication on any matter connected with or relating
    to the business of the Company and/or any other Group Company without first obtaining the written approval of the Company,
    except as required in the normal course of his employment by the Company.

 

    	 	5	 

     

    

 

	14.	Intellectual
    property

 

	.14.1.	If
    at any time in the course of, or in connection with, his employment under this Agreement the Executive makes or discovers
    or participates in the making or discovery of any Intellectual Property directly or indirectly relating to or capable of being
    used in the business carried on by the Company and/or any other Group Company, full details of the Intellectual Property shall
    immediately be disclosed in writing by him to the Company and the Intellectual Property shall be the absolute property of
    the Company and/or the relevant Group Company.

 

	.14.2.	At
    the request and expense of the Company, the Executive shall give and supply all such information, data, drawings and assistance
    as may be necessary or in the opinion of the Company desirable to enable the Company to exploit the Intellectual Property
    to the best advantage (as decided by the Company), and shall execute all documents and do all things which may be necessary
    or in the opinion of the Company desirable for obtaining patent or other protection for the Intellectual Property in such
    parts of the world as may be specified by the Company and for vesting the same in the Company or as it may direct. The obligations
    set out in this clause shall survive the termination of the Executive's employment for whatever reason (whether lawful or
    not).

 

	.14.3.	The
    Executive agrees and undertakes that all Intellectual Property made or discovered by him shall not infringe any rights of
    any third party (including but not limited to contractual or intellectual property rights) or put the Company and/or any other
    Group Company into disrepute, and shall be original.

 

	15.	Restrictions

 

	.15.1.	The
    Executive covenants with the Company (for itself and on behalf of each other Group Company) as follows.

 

	 	(A)	Non-competition

 

The
Executive shall not during his employment or at any time during six (6) month period after the date of the termination of his
employment, except in the event of a wrongful termination by the Company, be engaged, concerned or interested, either directly
or indirectly in any capacity (including but not limited to as principal, agent, advisor, employee, consultant, or officer) in
any trade or business or occupation whatsoever in Singapore, Hong Kong & People's Republic of China which would or might reasonably
be considered to compete with the Restricted Business.

 

	 	(B)	Non-dealing
    with clients

 

The
Executive shall not during his employment or at any time during six (6) months period after the date of termination of his employment,
except in the event of a wrongful termination by the Company, either on his own account or in conjunction with or on behalf of
any other person, have business dealings directly or indirectly with any person who is a Restricted Client or Prospective Client
provided always that nothing contained in this clause shall be deemed to prohibit the seeking or doing of business not in direct
or indirect competition with the Restricted Business.

 

	 	(C)	Non-solicitation
    of clients

 

The
Executive shall not during his employment or at any time during six (6) months period after the date of termination of his employment,
except in the event of a wrongful termination by the Company, either on his own account or in conjunction with or on behalf of
any other person solicit or interfere with or attempt to solicit or interfere with the Company's and/or any other Group Company's
relationship with any Restricted Client or Prospective Client, provided always that nothing contained in this clause shall be
deemed to prohibit the seeking or doing of business not in direct or indirect competition with the Restricted Business.

 

    	 	6	 

     

    

 

	 	(D)	Non-solicitation
    of employees

 

The
Executive shall not during his employment or at any time during six (6) months period after the date of termination of his employment,
except in the event of a wrongful termination by the Company, either on his own account or in conjunction with or on behalf of
any other person, solicit or entice away or attempt to solicit or entice away (or assist any other person whether by means of
the supply of names or expressing views on suitability or otherwise howsoever to solicit or entice away) from the Company and/or
any other Group Company, any individual who is a management and/or senior employee or director or officer of the Company and/or
any other Group Company, whether or not any such person would commit a breach of contract by reason of his leaving service.

 

	.15.2.	Each
    of the restrictions in this clause shall be construed as a separate and independent restriction and if one or more of the
    restrictions is found to be void or unenforceable, such void or unenforceable part shall be deemed deleted and the validity
    of the remaining restrictions shall not be affected.

 

	16.	Termination

 

	.16.1.	The
    Executive's employment may be terminated by either party giving at any time one (1) months' written notice or payment in lieu.

 

	.16.2.	The
    Executive's employment may be terminated summarily by the Company without notice or payment in lieu of notice in accordance
    with section 9 of the Employment Ordinance if, e.g., the Executive misconducts himself such conduct being inconsistent with
    the due and faithful discharge of his duties.

 

	.16.3.	The
    Executive's employment may be terminated by the Company giving at any time seven (7) days' notice or payment in lieu if the
    Executive:

 

		(A)	has
                                         a bankruptcy order made against him or if he makes any arrangement or composition with
                                         his creditors with or for the benefit of his creditors generally;

 

		(B)	is
                                         convicted of any criminal offence other than an offence which, in the reasonable opinion
                                         of the Company, does not affect his position as an employee of the Company (bearing in
                                         mind the nature of the duties in which he is engaged and the capacity in which he is
                                         employed);

 

		(C)	by
                                         his actions or omissions, brings the name or reputation of the Company and/or any other
                                         Group Company into serious disrepute or prejudices the interests of the business of the
                                         Company and/or any other Group Company;

 

		(D)	is
                                         convicted of an offence under any present or future statutory enactment or regulation
                                         relating to insider dealing;

 

		(E)	has
                                         any regulatory or other licence of approval, or employment visa refused, suspended, revoked
                                         or not renewed which cannot be remedied within a reasonable period of time; or

 

    	 	7	 

     

    

 

	 	(F)	is
    or becomes prohibited by law from being a director.

 

Any
delay by the Company in exercising such right to termination shall not constitute a waiver thereof.

 

	.16.4.	In
    the event of the termination of the employment of the Executive for whatever reason and whether by notice or in any other
    manner whatsoever, the Executive agrees that he will not at any time after such termination represent himself as still having
    any connection with the Company and/or any other Group Company save as a former employee.

 

	.16.5.	Before
    and after the termination of the Executive's employment for whatever reason and whether by notice or in any other manner whatsoever,
    the Executive agrees to provide the Company and/or any other Group Company with reasonable assistance regarding matters of
    which he has knowledge and/or experience and the Executive agrees to assist in any proceedings or possible proceedings in
    which the Company and/or any other Group Company is or may become a party.

 

	17.	Suspension
    and garden leave

 

	.17.1.	The
    Executive agrees that the Company shall be entitled, from time to time including in the event that notice of termination to
    terminate the Executive's employment has been given by either party, to require the Executive to observe all or some of the
    following during such period(s) as specified by the Company in its discretion;

 

		(A)	cease
                                         to render all or some of the Executive's duties;

 

		(B)	remain
                                         away from any premises of the Company and/or any other Group Company or any premises
                                         named by the Company;

 

		(C)	resign
                                         with immediate effect from any offices he holds with the Company and/or any other Group
                                         Company;and/or

 

	.17.2.	For
    the avoidance of doubt, during any such period the Company will not have any obligation to provide the Executive with work
    but salary and contractual benefits will continue to be payable and he will remain bound by all of the express and implied
    obligations arising out of his employment with the Company, including the obligations of good faith and fidelity. The Executive
    agrees that he will comply with any requests made by the Company pursuant to this clause from time to time and perform such
    duties at such place and time as the Company may reasonably request.

 

	18.	Return of property on termination

 

	.18.1.	In
    the event of the termination of the employment of the Executive for whatever reason, the Executive immediately shall deliver
    up to the Company or its authorised representative any property of the Company and/or any other Group Company which may be
    in his possession, custody or control, including without limitation minutes, memoranda, correspondence, notes, records, reports,
    sketches, plans, credit cards, security cards/passes, Company-provided mobile phone, discs, keys, software, address books,
    databases, proposals, electronic mail, files or other documents, whether or not the property was originally supplied to him
    by the Company or any other Group Company. The Executive's obligations under this clause include the return of all copies(whether
    in hard copy or electronic form), drafts, reproductions, notes, extracts or summaries (however stored or made) of all documents
    and software.

 

    	 	8	 

     

    

 

	.18.2.	If
    so requested, the Executive shall provide to the Company a signed statement confirming that he has complied fully with this
    clause.

 

	19.	Governing
    law and jurisdiction 

 

	.19.1.	This
    Agreement and the Executive's employment shall be governed by, and construed in accordance with, the laws of Hong Kong.

 

	.19.2.	The
    Company and the Executive agree to submit to the non-exclusive jurisdiction of the Hong Kong courts and labour tribunal in
    respect of any dispute arising under this Agreement and the Executive's employment with the Company.

 

	20.	General

 

	.20.1.	Employee
    handbook

 

The
Executive is required to comply with the provisions of any employee handbook implemented by the Company and as amended at the
Company's discretion from time to time. For the avoidance of doubt, the Executive shall be deemed to have read and understood
the employee handbook prior to signing this agreement and all of the provisions of the handbook shall form part of the terms of
the Executive's terms of employment (if any).

 

	.20.2.	Equal
    opportunities

 

The
Company is an equal opportunities employer and the Executive is required to refrain from any discrimination, harassment or vilification
which is prohibited by local laws. The Executive is required to comply with any equal opportunities policy implemented by the
Company from time to time.

 

	.20.3.	Data
    privacy

 

The
Executive consents to the Company and/or any other Group Company holding and processing the data it collects in relation to him
in the course of his employment, for the purposes of the Company's administration and management of its employees and its business
and for compliance with applicable procedures, laws and regulations and to the transfer, storage and processing of such data in
and outside Hong Kong. The Executive may request access to and correction of his personal data by contacting the Human Resources
Department.

 

	.20.4.	Inconsistency

 

In
the event of any conflict between the terms of this Agreement and any other document recording or purporting to record the terms
of the Executive's employment by the Company, the terms of this Agreement shall prevail.

 

	.20.5.	Prior
    agreements

 

This
Agreement and any documents referred to constitute the entire agreement between the Company and the Executive. This Agreement
shall be in substitution for any subsisting agreement, service agreement or contract of employment (oral or otherwise) made between
the Company and the Executive or between any other Group Company and the Executive which shall be deemed to have been terminated
by mutual consent with effect from the Commencement Date. The Executive warrants and agrees that he is not entering into this
Agreement in reliance on any representation not expressly set out in this Agreement.

 

    	 	9	 

     

    

 

	.20.6.	Severability

 

If
any provision of this Agreement or a clause hereof is determined to be illegal or unenforceable by any court of law or any competent
governmental or other authority, the remaining provisions within that clause and the remainder of this Agreement shall be severable
and enforceable in accordance with their terms, so long as this Agreement, without such terms or provisions, does not fail its
essential purpose. The parties shall negotiate in good faith to replace any such illegal or unenforceable provisions with suitable
substitute provisions which will maintain as far as possible the purposes and the effect of this Agreement.

 

	.20.7.	Notices

 

Any
notice to be given under this Agreement shall be given in writing and may be sent, addressed in the case of the Company to its
registered office for the time being and in the case of the Executive to him at his last known place of residence or given personally,
and any notice given by post shall be deemed to have been served at the expiration of 48 hours after the same was posted.

 

 

	SIGNED
    by Ng Klan Yong 	)	
	for
    and on behalf of the Company	)
	and
    each other Group Company	)

	SIGNED by the Executive	)	

 

 

10EX-4.4

 Exhibit 4.4 

EXECUTION VERSION 
  

 
 SUPPLEMENTAL INDENTURE 

Dated as of June 8, 2016 

Among 
 VANTAGE DRILLING
INTERNATIONAL (f/k/a 
 OFFSHORE GROUP INVESTMENT LIMITED), 

as Company, 
 THE GUARANTORS PARTY
HERETO, 
 as Guarantors, 
 and

 U.S. BANK NATIONAL ASSOCIATION, 

as Trustee and Noteholder Collateral Agent 

1% / 12% STEP-UP SENIOR SECURED THIRD LIEN CONVERTIBLE NOTES DUE 2030 

 
  

 THIS SUPPLEMENTAL INDENTURE (“Supplemental Indenture”), dated as of June 8,
2016 (the “Amendment Date”), among Vantage Drilling International (f/k/a Offshore Group Investment Limited), a Cayman Islands exempted company (the “Company”), the guarantors listed on the signature pages hereto
(the “Guarantors”) and U.S. Bank National Association, not in its individual capacity but solely as trustee (together with its successors and assigns, in such capacity, the “Trustee”) and not in its individual
capacity but solely as noteholder collateral agent (together with its successors and assigns, in such capacity, the “Noteholder Collateral Agent”) to the indenture dated as of February 10, 2016 (the “Existing
Indenture”, and the Existing Indenture, as amended and supplemented by this Supplemental Indenture, the “Indenture”). 

W I T N E S S E T H 

WHEREAS, pursuant to the Existing Indenture, the Company has issued a total of $749,983,372.99 aggregate principal amount of 1% / 12%
Step-Up Senior Secured Third Lien Convertible Notes due 2030 (the “Notes”); 
 WHEREAS, the Company, the
Guarantors and certain Holders of the Notes (the “Consenting Holders”) have determined that it is in the best interests of the Company and the Consenting Holders to make certain amendments to the Existing Indenture, as set forth in
this Supplemental Indenture; 
 WHEREAS, the Company and Guarantors have each duly authorized the execution and delivery of this
Supplemental Indenture; 
 WHEREAS, the Company requests that the Trustee and Noteholder Collateral Agent enter into and effect this
Supplemental Indenture; 
 WHEREAS, pursuant to Section 9.02 of the Existing Indenture, the parties hereto are authorized to execute
and deliver this Supplemental Indenture to effect the amendments specified herein with the consent of the Holders of a majority in principal amount of Notes then outstanding voting as a single class; 

WHEREAS, the Holders of a majority of the outstanding aggregate principal amount of the Notes have delivered to the Trustee and Noteholder
Collateral Agent written evidence of their consent to and direction to the Trustee and Collateral Agent to effect the amendments set forth in Section 2 hereof; 

WHEREAS, the Company and the Guarantors have been authorized by a resolution of their respective Boards of Directors or like governing body,
or the Board of Directors or like governing body of their ultimate sole or managing member, as the case may be, to enter into this Supplemental Indenture; and 

WHEREAS, all other acts and proceedings required by law, by the Existing Indenture and by the organizational documents of the Company and the
Guarantors to make this Supplemental Indenture a valid and binding agreement for the purposes expressed herein, in accordance with its terms, have been duly done and performed. 

 NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration,
the receipt of which is hereby acknowledged, the Company, the Guarantors, the Trustee and the Noteholder Collateral Agent mutually covenant and agree for the benefit of the Holders of the Notes as follows: 

1. Defined Terms. As used in this Supplemental Indenture, terms defined in the Existing Indenture or in the preamble or recital
hereto are used herein as so defined. The words “herein,” “hereof” and “hereby” and other words of similar import used in this Supplemental Indenture refer to this Supplemental Indenture as a whole and not to any
particular section hereof. 
 2. Amendment to the Existing Indenture. Effective as of the Amendment Date: 

(i) Section 12.01(a)(1) of the Existing Indenture is hereby amended and restated in its entirety as follows (the language being added
pursuant to this amendment is underlined): 
 “(a) The Company and the Guarantors: 

 

	 	(1)	shall grant a Required Priority security interest in the Collateral as set forth in the Collateral Agreements to the Noteholder Collateral Agent for the benefit of the Third Lien Secured Parties, to secure the due and
punctual payment of the principal of, premium (including the Applicable Premium), if any, and interest on the Notes and amounts due hereunder and under the Note Guarantees when and as the same shall be due and payable, whether at Stated Maturity
thereof, on an Interest Payment Date, by acceleration, purchase, repurchase, redemption or otherwise, and interest on the overdue principal of, premium (including the Applicable Premium), if any, and interest (to the extent permitted by law), if
any, on the Notes and the performance of all the Note Obligations of the Company and the Guarantors to the Holders, the Noteholder Collateral Agent and the Trustee under this Indenture, the Collateral Agreements, the Note Guarantees and the Notes,
subject to the terms of the Third Lien Intercreditor Agreement and any other Permitted Liens; provided that any capital stock and other securities of any of the Guarantors shall be excluded from the Collateral to
the extent the pledge of such capital stock or other securities to secure the Notes would cause such Guarantor to be required to file separate financial statements with the SEC pursuant to Rule 3-16 of Regulation S-X (as in
effect from time to time);” 

 (ii) Section 12.03(a) of the Existing Indenture is hereby amended and restated by deleting
the word “or” at the end of clause (6) thereof, and by amending and restating in its entirety clause (7) thereof to provide for an additional clause (8) as follows (the language being added pursuant to this amendment is
underlined): 
 “(7) as provided in the Third Lien Intercreditor Agreement; or 

(8) pursuant to and to give effect to the proviso in Section 12.01(a)(1).” 

3. Existing Indenture in Full Force and Effect. Except as expressly provided herein, all of the terms, provisions and conditions
of the Existing Indenture and the Notes shall remain in full force and effect. This Supplemental Indenture shall form a part of the Indenture for all purposes, and every holder of Notes heretofore or hereafter authenticated and delivered shall be
bound hereby. 
 4. Governing Law. THE INTERNAL LAW OF THE STATE OF NEW YORK WILL GOVERN AND BE USED TO CONSTRUE THIS
SUPPLEMENTAL INDENTURE. 
 5. Counterparts and Delivery. 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. The Trustee
and the Noteholder Collateral Agent. The Trustee and the Noteholder Collateral Agent 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 Company and Guarantors. 
 7. Headings. The
headings of the Sections of this Supplemental Indenture have been inserted for convenience of reference only, are not to be considered part of this Supplemental Indenture and shall in no way modify or restrict any of the terms or provisions
hereof. 
 [Signature Pages Follow] 

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

			
	The Company:
	
	VANTAGE DRILLING INTERNATIONAL
		
	By:	 	 /s/ Douglas G. Smith

		 	    Name: Douglas G. Smith
		 	    Title:   Chief Financial Officer

  

			
	Guarantors:
	
	DRAGONQUEST HOLDINGS COMPANY
		
	By:	 	 /s/ Douglas G. Smith

		 	    Name: Douglas G. Smith
		 	    Title:   Chief Financial Officer
	
	EMERALD DRILLER COMPANY
		
	By:	 	 /s/ Douglas G. Smith

		 	    Name: Douglas G. Smith
		 	    Title:   Chief Financial Officer
	
	P2020 RIG CO.
		
	By:	 	 /s/ Douglas G. Smith

		 	    Name: Douglas G. Smith
		 	    Title:   Chief Financial Officer

 
			
	P2021 RIG CO.
		
	By:	 	 /s/ Douglas G. Smith

		 	    Name: Douglas G. Smith
		 	    Title:   Chief Financial Officer

  

			
	PT. VANTAGE DRILLING COMPANY INDONESIA
		
	By:	 	 /s/ James Angus Goudie

		 	    Name: James Angus Goudie
		 	    Title:   President Director
	
	SAPPHIRE DRILLER COMPANY
		
	By:	 	 /s/ Douglas G. Smith

		 	    Name: Douglas G. Smith
		 	    Title:   Chief Financial Officer
	
	VANTAGE DEEPWATER COMPANY
		
	By:	 	 /s/ Douglas G. Smith

		 	    Name: Douglas G. Smith
		 	    Title:   Chief Financial Officer
	
	VANTAGE DEEPWATER DRILLING, INC.
		
	By:	 	 /s/ Douglas G. Smith

		 	    Name: Douglas G. Smith
		 	    Title:   Chief Financial Officer

 
			
	VANTAGE DELAWARE HOLDINGS, LLC
		
	By:	 	 /s/ Douglas G. Smith

		 	    Name: Douglas G. Smith
		 	    Title:   Chief Financial Officer

  

			
	VANTAGE DRILLER I CO.
		
	By:	 	 /s/ Douglas G. Smith

		 	    Name: Douglas G. Smith
		 	    Title:   Chief Financial Officer
	
	VANTAGE DRILLER II CO.
		
	By:	 	 /s/ Douglas G. Smith

		 	    Name: Douglas G. Smith
		 	    Title:   Chief Financial Officer
	
	VANTAGE DRILLER III CO.
		
	By:	 	 /s/ Douglas G. Smith

		 	    Name: Douglas G. Smith
		 	    Title:   Chief Financial Officer
	
	VANTAGE DRILLER IV CO.
		
	By:	 	 /s/ Douglas G. Smith

		 	    Name: Douglas G. Smith
		 	    Title:   Chief Financial Officer

 
			
	VANTAGE DRILLER VI CO.
		
	By:	 	 /s/ Douglas G. Smith

		 	    Name: Douglas G. Smith
		 	    Title:   Chief Financial Officer

  

			
	VANTAGE DRILLING AFRICA
		
	By:	 	 /s/ Douglas G. Smith

		 	    Name: Douglas G. Smith
		 	    Title:   Chief Financial Officer
	
	VANTAGE DRILLING (MALAYSIA) I SDN. BHD.
		
	By:	 	 /s/ Kenneth Howden

		 	    Name: Kenneth Howden
		 	    Title:   Director
	
	VANTAGE DRILLING LABUAN I LTD.
		
	By:	 	 /s/ Ronald J. Nelson

		 	    Name: Ronald J. Nelson
		 	    Title:   Director
	
	VANTAGE DRILLING NETHERLANDS B.V.
		
	By:	 	 /s/ Rui Miguel Silva Gomes

		 	    Name: Rui Miguel Silva Gomes
		 	    Title:   Managing Director

 
			
	VANTAGE DRILLER ROCO S.R.L.
		
	By:	 	 /s/ Ronald J. Nelson

		 	    Name: Ronald J. Nelson
		 	    Title:   Director
	
	VANTAGE DRILLER ROCO – LUXEMBOURG BRANCH
		
	By:	 	 /s/ Ronald J. Nelson

		 	    Name: Ronald J. Nelson
		 	    Title:   Director
	
	VANTAGE ENERGY SERVICES, INC.
		
	By:	 	 /s/ Douglas G. Smith

		 	    Name: Douglas G. Smith
		 	    Title:   Chief Financial Officer
	
	VANTAGE HOLDING HUNGARY KFT.
		
	By:	 	 /s/ Rui Miguel Silva Gomes

		 	    Name: Rui Miguel Silva Gomes
		 	    Title:   Managing Director
	
	VANTAGE HOLDINGS CYPRUS ODC LIMITED
		
	By:	 	 /s/ Rui Miguel Silva Gomes

		 	    Name: Rui Miguel Silva Gomes
		 	    Title:   Director

 
			
	VANTAGE HOLDINGS MALAYSIA I CO.
		
	By:	 	 /s/ Douglas G. Smith

		 	    Name: Douglas G. Smith
		 	    Title:   Chief Financial Officer
	
	VANTAGE INTERNATIONAL MANAGEMENT CO.
		
	By:	 	 /s/ Douglas G. Smith

		 	    Name: Douglas G. Smith
		 	    Title:   Chief Financial Officer
	
	VANTAGE INTERNATIONAL MANAGEMENT COMPANY PTE. LTD.
		
	By:	 	 /s/ Ronald J. Nelson

		 	    Name: Ronald J. Nelson
		 	    Title:   Director

  

 
			
	U.S. BANK NATIONAL ASSOCIATION,
	as Noteholder Collateral Agent
		
	By:	 	     /s/ Melissa F. Vachon

		 	Name: Melissa F. Vachon
		 	Title:   Vice President

  

			
	U.S. BANK NATIONAL ASSOCIATION,
	as Trustee
		
	By:	 	     /s/ Melissa F. Vachon

		 	Name: Melissa F. Vachon
		 	Title:   Vice President

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