FIRST AMENDMENT TO NOTE PURCHASE AGREEMENT THIS FIRST AMENDMENT TO NOTE PURCHASE AGREEMENT , dated as of

NOTE PURCHASE AGREEMENT

THIS FIRST AMENDMENT TO NOTE PURCHASE AGREEMENT, dated as of January 21, 2026 (this "Amendment"), is made by

and among RBP Global Holdings Limited, a limited company organized under the laws of England and Wales (the "Issuer"), Piper Sandler Finance LLC in its capacities as an administrative agent and collateral agent for the Holders as

defined in the Note Purchase Agreement referred to below (in such capacities, the "Agent"), and the Holders party hereto constituting the Required Holders.

is party to that certain Note Purchase Agreement, dated as of November 4, 2024 (as affected by that certain Limited Consent No. 1 to Note Purchase Agreement, dated as of September 24, 2025 (the "Limited Consent"),

and as the same may be further amended, restated, amended and restated, supplemented, consented to or otherwise modified from time to time, the "Note Purchase Agreement"), by and among itself, Indivior Global Holdings Limited, a

limited company organized under the laws of England and Wales ("Holdings"), the other Persons from time to time party thereto as Note Parties, the Agent, and the Purchasers identified on Schedule 1.01(a) thereto.

B. Pursuant to the Limited Consent, the Agent and the Required Holders consented to the Specified Change of Control (as defined therein)

whereby (i) Indivior Pharmaceuticals, Inc., a Delaware corporation ("TopCo"), will become the ultimate parent company of Indivior PLC, a public company limited by shares incorporated under the laws of England and Wales

("Indivior UK") and its subsidiaries pursuant to a court-approved scheme of arrangement under Part 26 of the UK Companies Act 2006 (the "Scheme of Arrangement") as part of Indivior UK's previously

announced intention to change its corporate domicile to the United States (the "U.S. Domestication"), (ii) pursuant to the Scheme of Arrangement, each ordinary share in the capital of Indivior UK will be cancelled in exchange for

one share of common stock, par value $0.001 per share, of Indivior U.S., and (iii) after the close of market trading on January 23, 2026, the Scheme of Arrangement will become effective and binding on all shareholders of Indivior UK, and

Indivior UK became a wholly-owned subsidiary of Indivior U.S., thereby completing the U.S. Domestication (the "U.S. Domestication Effective Date").

C. In connection with the transactions referenced in Paragraph B above, the Issuer has requested that the Note Purchase Agreement be

amended to, among other things, (i) reflect that financial statements, the financial position, the results of operation, cash flows and other financial matters will be reported at TopCo and its Subsidiaries and (ii) make certain other

changes to the Note Purchase Agreement.

NOW, THEREFORE, in consideration of the premises and further valuable consideration, the receipt

and sufficiency of which are hereby acknowledged, the parties hereto agree as follows:

1. Defined Terms. Capitalized terms used but

not otherwise defined herein have the respective meanings given to them in the Amended Note Purchase Agreement (defined herein).

2. Amendments to Note Purchase Agreement.

(a) Conformed Note Purchase Agreement. Subject to the satisfaction or waiver of the conditions set forth in

Section 3 hereof, on the First Amendment Effective Date (as defined below), the Note Purchase Agreement is hereby amended to delete the stricken text (indicated textually in the same manner as the following example: stricken text) and to add the bold, double-underlined text (indicated textually in the same manner as the following

example: double-underlined text) as set forth in the conformed copy of the Note Purchase Agreement attached hereto as

Exhibit A (the Note Purchase Agreement, as amended, the "Amended Note Purchase Agreement").

Compliance Certificate. Exhibit C (Form of Compliance Certificate) of the Note Purchase Agreement is hereby replaced in its entirety with Exhibit B attached hereto. From and after the First Amendment Effective Date, all references in

the Note Documents to the Compliance Certificate shall be deemed to refer to Exhibit B attached hereto

Effectiveness. This Amendment shall become effective (x) on and as of the date on which the conditions set forth below have been satisfied or waived by the Required Holders (the "First Amendment Effective Date"):

(a) the Agent shall have received counterparts of the Amendment duly executed by the Issuer, the Required Holders and the Agent;

(b) The representations and warranties contained in Section 4 hereof shall be true and correct;

(c) the U.S. Domestication Effective Date shall have occurred;

(d) no Default or Event of Default shall have occurred or be continuing;

(e) the Agent and the Required Holders shall have received payment of all fees and expenses (including legal fees) to the extent invoiced at

least one (1) Business Day prior to the First Amendment Effective Date; and

(f) the Agent and the Required Holders shall have

received, within a reasonable period of time prior to the First Amendment Effective Date, all documentation and other information with respect to the Issuer required under applicable "know your customer", "beneficial

ownership" and anti-money laundering rules and regulations, including the USA Patriot Act, that has been reasonably requested by the Agent in writing within a reasonable period of time prior to the First Amendment Effective Date.

4. Representations and Warranties. In order to induce the Agent and the Required Holders to enter into this Amendment, the Issuer

hereby represents and warrants to the Agent and the Required Holders as follows: (a) the representations and warranties of the Note Parties contained in this Amendment, the Amended Note Purchase Agreement and in the other Note Documents are

true and correct in all material respects (without duplication of any materiality qualifier contained therein) on and as of the date hereof, except to the extent that such representations and warranties specifically refer to an earlier date, in

which case they are true and

correct in all material respects (without duplication of any materiality qualifier contained therein) as of such earlier date, (b) the execution, delivery and performance of this Amendment

is within the Issuer's organizational power, have been duly authorized by all necessary organizational action and this Amendment constitutes a legal, valid and binding obligation of the Issuer, enforceable in accordance with its terms, subject

to the Legal Reservations and (c) as of the First Amendment Effective Date, no Default or Event of Default has occurred and is continuing.

5. Reaffirmation of Note Documents. Except as hereby specifically amended, modified or supplemented, the Note Purchase Agreement and

all other Note Documents are hereby confirmed and ratified in all respects and shall be and remain in full force and effect according to their respective terms. Each Note Party hereby ratifies and reaffirms the grant of security interests and liens

and guarantees by the Note Parties under the Note Documents. The validity and enforceability of the appointment of the Agent as proxy and attorney-in-fact under the Note

Documents is ratified and reaffirmed as of the date hereof, and each Note Party reappoints the Agent as its proxy and attorney-in-fact in accordance with the terms of

the applicable Note Documents, which appointment is IRREVOCABLE and coupled with an interest until the payment in full of the Obligations, for the purpose of carrying out the provisions of the Note Documents, as applicable.

6. Counterparts; Integration; Effectiveness. This Amendment may be executed in counterparts (and by different parties hereto on

different counterparts), each of which shall constitute an original, but all of which when taken together shall constitute a single contract. This Amendment shall constitute the entire agreement among the parties relating to the subject matter

hereof and supersede any and all previous agreements and understandings, oral or written, relating to the subject matter hereof. Delivery of an executed counterpart of a signature page to this Amendment by facsimile or by email as a

".pdf" or ".tif" attachment shall be effective as delivery of a manually executed counterpart of this Amendment. The words "execution," "execute," "signed," "signature," and

words of like import in or related to this Amendment shall be deemed to include electronic signatures, the electronic matching of assignment terms and contract formations on electronic platforms approved by the Agent, or the keeping of records in

electronic form, each of which shall be of the same legal effect, validity or enforceability as a manually executed signature or the use of a paper-based record-keeping system, as the case may be, to the extent and as provided for in any applicable

law, including the Federal Electronic Signatures in Global and National Commerce Act, the New York State Electronic Signatures and Records Act, or any other similar state laws based on the Uniform Electronic Transactions Act; provided that,

notwithstanding anything contained herein to the contrary, the Agent is under no obligation to agree to accept electronic signatures in any form or in any format unless expressly agreed to by the Agent pursuant to procedures approved by it.

7. Severability. To the extent permitted by law, any provision of this Amendment held to be invalid, illegal or unenforceable in any

jurisdiction shall, as to such jurisdiction, be ineffective to the extent of such invalidity, illegality or unenforceability without affecting the validity, legality and enforceability of the remaining provisions thereof; and the invalidity of a

particular provision in a particular jurisdiction shall not invalidate such provision in any other jurisdiction.

8. GOVERNING LAW. THIS AMENDMENT AND ANY CLAIM, CONTROVERSY OR DISPUTE ARISING UNDER

OR RELATED TO THIS AMENDMENT, WHETHER IN TORT, CONTRACT (AT LAW OR IN EQUITY) OR OTHERWISE, SHALL BE GOVERNED BY, AND CONSTRUED AND INTERPRETED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK.

9. WAIVER OF JURY TRIAL. EACH PARTY HERETO HEREBY IRREVOCABLY WAIVES, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY RIGHT IT

MAY HAVE TO A TRIAL BY JURY IN ANY SUIT, ACTION, PROCEEDING OR COUNTERCLAIM (WHETHER BASED ON CONTRACT, TORT OR ANY OTHER THEORY) DIRECTLY OR INDIRECTLY ARISING OUT OF OR RELATING TO THIS AGREEMENT OR THE TRANSACTIONS CONTEMPLATED HEREBY OR THEREBY.

EACH PARTY HERETO (a) CERTIFIES THAT NO REPRESENTATIVE, AGENT OR ATTORNEY OF ANY OTHER PARTY HERETO HAS REPRESENTED, EXPRESSLY OR OTHERWISE, THAT SUCH OTHER PARTY WOULD NOT, IN THE EVENT OF LITIGATION, SEEK TO ENFORCE THE FOREGOING WAIVER AND

(b) ACKNOWLEDGES THAT IT AND THE OTHER PARTIES HERETO HAVE BEEN INDUCED TO ENTER INTO THIS AGREEMENT BY, AMONG OTHER THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS IN THIS SECTION 8.

10. Headings. Section headings used herein are for convenience of reference only, are not part of this Amendment and shall not affect

the construction of, or be taken into consideration in interpreting, this Amendment. This Amendment shall be a Note Document.

References. From and after the First Amendment Effective Date, each reference in the Note Purchase Agreement to "this Agreement," "hereunder," "hereof," "herein" or words of like import, and

each reference to the "Note Purchase Agreement" " "thereunder," "thereof," "therein" or words of like import in any other Note Document, shall mean and be a reference to the Amended Note Purchase

12. Successors and Assigns. This Amendment shall be binding upon and inure to the benefit of the Issuer and the Agent

and their respective successors and assignees.

[signature pages follow]

IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be duly executed as of

the date first written above.

[Signatures Continue on Next Page]

[Signature Page to First

Amendment to Note Purchase Agreement]

[Signatures Continue on Next Page]

[Signature Page to First

Amendment to Note Purchase Agreement]

[Signature Page to First

Amendment to Note Purchase Agreement]

[Signature Page to First

Amendment to Note Purchase Agreement]

[Signature Page to First

Amendment to Note Purchase Agreement]

[Signature Page to First

Amendment to Note Purchase Agreement]

[Signature Page to First

Amendment to Note Purchase Agreement]

[Signature Page to First