Holding(s) in Company

1. Identity of the issuer or the underlying issuerof existing shares to which voting rights areattached: ii

Indivior PLC

2 Reason for the notification (please tick the appropriate box or boxes):

An acquisition or disposal of voting rights

X

An acquisition or disposal of qualifying financial instruments which may result in the acquisition of shares already issued to which voting rights are attached

An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments

An event changing the breakdown of voting rights

Other (please specify):

3. Full name of person(s) subject to thenotification obligation: iii

Scopia Capital Management LP

Scopia Management, Inc.

4. Full name of shareholder(s)  (if different from 3.):iv

Goldman Sachs & Co.

5. Date of the transaction and date onwhich the threshold is crossed orreached: v

6 February 2017

6. Date on which issuer notified:

8 February 2017

7. Threshold(s) that is/are crossed orreached: vi, vii

14%

8. Notified details:

A: Voting rights attached to shares viii, ix

Class/type ofshares

if possible usingthe ISIN CODE

Situation previousto the triggeringtransaction

Resulting situation after the triggering transaction

NumberofShares

NumberofVotingRights

Numberof shares

Number of votingrights

% of voting rights x

Direct

Direct xi

Indirect xii

Direct

Indirect

GB00BRS65X63

93,752,966

93,752,966

101,168,798

14.04%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Expirationdate xiii

Exercise/Conversion Period xiv

Number of votingrights that may beacquired if theinstrument isexercised/ converted.

% of votingrights

Not Applicable

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi

Resulting situation after the triggering transaction

Type of financialinstrument

Exercise price

Expiration date xvii

Exercise/Conversion period xviii

Number of voting rights instrument refers to

% of voting rights xix, xx

Not Applicable

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

101,168,798

14.04%

9. Chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held, if applicable: xxi

Scopia Capital Management LP is the investment manager of certain funds that beneficially own the shares disclosed in Section 8 of this form and which controls the voting rights attached those financial instruments.

Scopia Management, Inc. is the general partner of Scopia Capital Management LP

Proxy Voting:

10. Name of the proxy holder:

Not Applicable

11. Number of voting rights proxy holder will cease to hold:

12. Date on which proxy holder will cease to hold voting rights:

13. Additional information:

14. Contact name:

Samantha Nasello, Chief Compliance Officer

15. Contact telephone number:

+1.212.370.0304