Exhibit 4.27



| | Randgold Resources LimitedReg No. 626863rd Floor, Unity Chambers28 Halkett StreetSt. Helier, JerseyJE2 4WJCHANNEL ISLANDSTEL : +44 1534 735 333FAX : +44 1534 735 444
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| | LSE :   RRS | Nasdaq :   GOLD
| | ----------- | ---------------

www.randgoldresources.com



Mrs Safiatou Ba-N’Daw
9108 Copenhaver Drive
Potomac, Maryland 20854
United States of America



1 March 2015



Dear Mrs Ba’N’Daw



RANDGOLD RESOURCES
LIMITED (THE "COMPANY") AND APPOINTMENT

TO THE BOARD
AS A NON-EXECUTIVE DIRECTOR



The board of the Company (the "Board")
is pleased to confirm the main terms of your appointment as a non-executive director (with details relating to the appointment
period being contained in the paragraph hereof titled "Appointment"). It is agreed that this is a contract for
services and not a contract of employment. You should be aware that your appointment is subject to the Company's articles of association
as amended from time to time. If there is a conflict between the terms of this letter and the articles of association then the
articles shall prevail.



DUTIES



| | 1. | The Board is responsible for promoting the success of the Company
by directing and supervising the Company's affairs, including:
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| | (a) | supervising and providing guidance to the Company within a framework
of prudent and effective controls;
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| | (b) | approving the Company's objectives and strategic plan, ensuring that
the necessary financial and human resources are in place for the Company to meet its strategic objectives, and review management
performance; and
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| | (c) | setting the Company's values and standards and ensuring that its
obligations to its stakeholders are met.
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| | 2. | The Board Charter (annexed hereto marked "Annexure A")
describes how the Board is structured and what authorities are delegated to the Chief Executive. Details of powers specifically
reserved for the Board are listed in paragraph 13 of the Board Charter. The Terms of Reference of the Board Committees are available
on the Company's website and can be obtained from the Company's Secretary.
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| | 3. | Your role as a non-executive director is to:
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| | (a) | contribute to the development of strategies to attain the Company's
objectives;
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| | (b) | evaluate the performance of Executive Directors in meeting agreed
objectives and implementing strategies;
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| | (c) | satisfy yourself that publicly available financial information is
accurate and that financial controls and systems of risk management are robust and effective; and
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| | (d) | be responsible, for determining appropriate levels of remuneration
of the Executive Directors, and where necessary, members of the Executive Management Team.
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| | 4. | You will, in conjunction with paragraph 4 of the Board Charter, be
required to:
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| | (a) | perform your duties loyally and diligently;
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| | (b) | bring independent judgement to bear on issues of strategy, policy,
resources, performance and standards of conduct;
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| | (c) | provide guidance and direction in planning, developing and implementing
the strategic direction of the Company;
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| | (d) | contribute to the effective control of the Company and to the supervision
of the Executive Directors;
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| | (e) | attend wherever possible in person or by conference call all meetings
of the Board, which meets at least quarterly, and consider all relevant papers well in advance of each meeting;
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| | (f) | serve on any Committee to which you are nominated by the Board;
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| | (g) | attend the Annual General Meeting of the Company if requested;
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| | (h) | comply with your fiduciary and statutory duties (including under
the Companies (Jersey) Law 1991, as amended, which can be obtained from the Company's Secretary); and
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| | (i) | comply with the Company's Code of Conduct and Anti-Corruption Compliance
Policy, which are available on the Company's website and can be obtained from the Company Secretary.
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| | 5. | Overall the Company anticipates that you will be available to fulfil
your duties as and when you are needed, and the Company expects that the minimum time commitment over a normal year will
equate to approximately 5 days per quarter on your work for the Company. This will include the quarterly board meetings,
at least one site visit per year, and the appropriate period of time preparing for each meeting. By accepting this appointment,
you confirm that you are able to allocate sufficient time to the Company to discharge your duties effectively. You also acknowledge
that there may be circumstances in which you will need to devote additional time to your duties, such as when the Company is undergoing
a period of particularly increased activity, or as a result of some major difficulty with one or more of its operations. In these
circumstances you agree to work such additional hours (without any additional remuneration, unless it is specifically agreed by
the Remuneration Committee and approved by the Board) as may be required for the proper performance of your duties.
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| | 6. | You will, be entitled to request such information from the Company,
its subsidiaries or its employees, consultants or professional advisers as may be reasonably necessary to enable you to perform
your role effectively. The Company shall use its reasonable endeavours to provide such information.
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| | 7. | The performance of individual directors, the whole board and its
committees is evaluated annually. If in the interim there are any matters which cause you concern about your role, you should discuss
them with the Chairman as soon as you can.
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CONFIDENTIALITY



During the course of your duties you will have
access to confidential information belonging to the Company and its subsidiaries (including, but not limited to, details of suppliers,
customers, margins, know-how, marketing and other relevant business information). Unauthorised disclosure of this information could
seriously damage the Company. You therefore undertake not to use or disclose such information save in pursuance of your duties
or in accordance with any statutory obligation or court or similar order.















COMPLIANCE WITH REGULATORY REQUIREMENTS



The Company is committed
to the UK Corporate Governance Code and the associated Guidance on Board Effectiveness published by the Financial Reporting Council,
copies of which can be obtained from the Company Secretary. You will be expected to carry out your duties in accordance with these.



You undertake to comply with all legal and
regulatory requirements and any code of practice or compliance manual issued by the Company relating to transactions in securities
and inside information and dealing in force from time to time, including the Company's Share Dealing Code and any rules and regulations
of or under the Financial Conduct Authority (including the Model Code, the Listing Rules, the Disclosure and Transparency Rules),
the Financial Services and Markets Act 2000, the Criminal Justice Act 1993, the Financial Services (Jersey) Law 1998 and other
rules and regulations of relevant regulatory authorities relevant to the Company (the "Regulatory Requirements").



By accepting this appointment you acknowledge
that you are aware of and understand the Regulatory Requirements and that a breach of the Regulatory Requirements carries sanctions
including criminal liability, disciplinary action by the relevant regulatory authority (civil liability, fines and public censure
by the FSA) and the immediate termination of your appointment.



Due to your position you will be named on the
Company's list of persons with access to inside information relating to the Company which can be made available to the FSA.



You acknowledge that the non-executive directors
are required, pursuant to the Company's Shareholding Policy, to hold ordinary shares in the Company with a value of at least US$120,000
(i.e. an amount equal to twice the annual retainer fee).



OUTSIDE INTERESTS



You should seek the agreement of the Chairman
of the Board before you accept any public company appointments or any new outside interests, which might affect the time you are
able to devote to this appointment.



The Board have determined you to be independent,
according to the provisions of the UK Corporate Governance Code.



In accordance with the principles set out in
the UK Corporate Governance Code you must seek approval of the Chairman of the Board in relation to of any interests which you
have, or acquire, which might reasonably be thought to jeopardise your independence from the Company.



During your appointment you must seek approval
of the Chairman of the Board in relation to any office or employment with, or have any material interest in, any firm or company
which is or may be in direct or indirect competition with the Company.



INSURANCE



During your appointment you will be covered
by the Company's directors' and officers' liability insurance on the terms in place from time to time. A copy of the policy document
is available from the Company Secretary. The Company will maintain this insurance cover after the termination of your appointment,
and you will continue to be covered by the policy (or any replacement on the same basis as the rest of the Board) for matters related
to your duties as a non executive director during your period of service.



APPOINTMENT



Your appointment will commence on 1 March 2015.
It is terminable by three months' notice from either the Board or yourself. The continuation of your appointment depends upon re-election
at the forthcoming Annual General Meetings and will follow the rules of the UK Corporate Governance Code.















Notwithstanding the aforementioned notice provisions,
the Company may terminate your appointment with immediate effect if you have:



| | (a) | committed any serious breach or (after warning in writing) any repeated
or continued material breach of your obligations to the Company (which include an obligation not to breach your fiduciary duties)
or of any Regulatory Requirement;
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| | (b) | been guilty of any act of dishonesty or serious misconduct or any
conduct which (in the reasonable opinion of the Board) tends to bring you or the Company into disrepute; or
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| | (c) | been declared bankrupt or have made an arrangement or composition
with for the benefit of your creditors.
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All appointments and reappointments to the
Board are subject to the Company's Articles of Association. You are required to stand for re-election every year at the Annual
General Meeting. If you are not re-elected to your position as a director of the Company by the shareholders at any time and for
any reason then this appointment shall terminate automatically and with immediate effect.



On termination of the appointment you shall
only be entitled to such fees as may have accrued to the date of termination together with reimbursement in the normal way of any
expenses properly incurred prior to that date.



REMUNERATION



The fee is US$60,000 per annum and is payable
half yearly in arrears. In addition, should you be appointed to serve on a Board Committee the fees payable are as follows:



| | · | Audit Committee: US$35,000 per annum.
| | - | -------------------------------------



| | · | Remuneration Committee: US$25,000 per
annum.
| | - | --------------------------------------------



| | · | Governance & Nomination Committee:
US$10,000 per annum.
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The chairman of a board committee is entitled
to receive an additional premium to the committee assignment fee of US$20,000 per annum.



Furthermore, each non-executive director receives
an award of 1,500 ordinary shares in the Company per year.



Remuneration and the award of ordinary shares,
is reviewed periodically by the Board and submitted annually to the Annual General Meeting for approval.



EXPENSES



The Company will reimburse you for any expenses
that you may incur properly and reasonably in performing your duties and which are documented and in accordance with the Company's
Board Travel Policy.



DATA PROTECTION



By signing this agreement you consent to the
Company holding and processing information about you which you or any referees may provide or which it may acquire during the course
of this agreement, providing such use is in accordance with the Data Protection Act 1998 and the Data Protection (Jersey) Law 2005.
In particular you consent to the Company holding and processing:



| | (a) | personal data relating to you, for administrative and management
purposes; and
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| | (b) | "sensitive personal data" relating to you (as defined
in the Data Protection Act 1998 and the Data Protection (Jersey) Law 2005)
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GOVERNING LAW



This agreement, and any dispute, controversy,
proceedings or claim of whatever nature arising out of or in any way relating to this agreement or its formation (including any
non-contractual disputes or claims), shall be governed by and construed in accordance with Jersey law. Each of the parties to this
agreement irrevocably agrees that the courts of Jersey shall have exclusive jurisdiction to hear and decide any suit, action or
proceedings, and/or to settle any disputes, which may arise out of or in connection with this agreement and, for these purposes,
each party irrevocably submits to the jurisdiction of the courts of Jersey.



Please sign and return the enclosed copy of
this letter to confirm your agreement to the above terms.



The Company looks forward to working with you
in the future.



Yours sincerely



/s/ Christopher Coleman



Christopher Coleman

for and on behalf of
RANDGOLD RESOURCES LIMITED















I, Safiatou Ba-N’Daw agree to the above
terms of appointment as a non-executive director of Randgold Resources Limited.





|Signature: | /s/ Safiatou Ba-N’Daw |  | Date: 1 March 2015
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APPENDIX A
The Board Charter