Exhibit 99.1

 

INDIVIOR PLC

TRANSACTIONS IN OWN SHARES

January 18, 2024

INDIVIOR PLC ("Indivior") announces that on January 17, 2024, it purchased for cancellation the following number of its ordinary shares of $0.50 each through Morgan Stanley & Co. International Plc.

Ordinary Shares

Date of purchases:	January 17, 2024
Number of ordinary shares purchased:	35,662
Highest Price per share:	1,240.00
Lowest Price per share:	1,215.00
Volume Weighted Average Price per share:	1,224.11

Indivior intends to cancel all of the purchased shares.

All repurchases by Indivior are "On Exchange" transactions (as such term is defined in the rules of the London Stock Exchange) and "on market" for the purposes of the Companies Act 2006.

Following the above transaction and cancellation of the purchased shares, Indivior has 136,111,963 ordinary shares with voting rights in issue. There are no ordinary shares held in treasury.

The above figure (136,111,963) may be used by shareholders (and others with notification obligations) as the denominator for the calculation by which they will determine if they are required to notify their interest in, or a change to their interest in, Indivior under the FCA's Disclosure Guidance and Transparency Rules.

Aggregated information

Trading Venue	Aggregated volume (shares)	Volume weighted average price (p)
XLON	12,108	1,224.12
CHIX	14,988	1,224.59
BATE	6,941	1,223.37
AQXE	1,625	1,222.82

Contact:

Jason Thompson

Vice President, Investor Relations

1-804-402-7123

Transaction details

In accordance with Article 5(1)(b) of the Market Abuse Regulation (EU) No 596/2014, as it forms part of Retained EU Law as defined in the European Union (Withdrawal) Act 2018, a full breakdown of the individual purchases of ordinary shares made by Morgan Stanley & Co. International Plc on behalf of Indivior as part of the Share Repurchase Program is detailed below.

 

Time	Price (p)	Quantity	Venue	Reference
08:00:24	1,221.00	249	XLON	E0HP8Sjhm9a8
08:02:20	1,223.00	245	CHIX	2977838240743
08:06:47	1,229.00	172	XLON	E0HP8SjhmPvE
08:06:47	1,229.00	26	XLON	E0HP8SjhmPvI
08:06:47	1,229.00	26	XLON	E0HP8SjhmPvK
08:10:28	1,230.00	229	CHIX	2977838243269
08:18:51	1,237.00	241	CHIX	2977838245484
08:18:51	1,236.00	241	XLON	E0HP8Sjhmoqe
08:22:12	1,236.00	237	CHIX	2977838246649
08:31:01	1,239.00	249	CHIX	2977838249453
08:31:01	1,238.00	71	XLON	E0HP8Sjhn9R4
08:31:01	1,238.00	23	XLON	E0HP8Sjhn9R8
08:31:01	1,238.00	87	XLON	E0HP8Sjhn9RA
08:31:01	1,238.00	61	XLON	E0HP8Sjhn9RD
08:31:01	1,238.00	4	XLON	E0HP8Sjhn9RL
08:48:07	1,240.00	256	CHIX	2977838254344
08:49:05	1,238.00	245	XLON	E0HP8Sjhnd0x
08:53:54	1,232.00	74	XLON	E0HP8SjhnkM6
08:53:54	1,232.00	138	XLON	E0HP8SjhnkM9
08:59:11	1,230.00	237	XLON	E0HP8SjhnrNf
09:04:57	1,230.00	234	BATE	156728343453
09:09:31	1,228.00	52	XLON	E0HP8Sjho7ah
09:09:31	1,228.00	175	XLON	E0HP8Sjho7aj
09:17:12	1,225.00	91	CHIX	2977838263239
09:17:12	1,225.00	18	CHIX	2977838263240
09:19:52	1,225.00	84	CHIX	2977838264059
09:20:00	1,225.00	42	CHIX	2977838264076
09:20:00	1,225.00	244	CHIX	2977838264077
09:20:00	1,225.00	42	CHIX	2977838264080
09:20:03	1,225.00	78	CHIX	2977838264106
09:20:03	1,225.00	96	CHIX	2977838264107
09:24:02	1,231.00	182	BATE	156728346692
09:24:02	1,231.00	49	BATE	156728346693
09:29:38	1,227.00	190	BATE	156728347446
09:29:38	1,227.00	58	BATE	156728347447
09:42:40	1,224.00	55	CHIX	2977838268900
09:42:40	1,224.00	96	CHIX	2977838268901
09:42:40	1,224.00	76	CHIX	2977838268902
09:42:40	1,224.00	11	CHIX	2977838268903
09:45:21	1,222.00	29	BATE	156728349058
09:45:21	1,222.00	383	BATE	156728349059
09:45:22	1,220.00	86	XLON	E0HP8Sjhotn4
09:45:22	1,220.00	162	XLON	E0HP8Sjhotn6
09:58:58	1,220.00	38	AQXE	31601
09:58:58	1,220.00	145	AQXE	31602
09:59:54	1,217.00	24	CHIX	2977838272246
09:59:54	1,217.00	19	CHIX	2977838272247
09:59:54	1,217.00	24	CHIX	2977838272248
10:01:22	1,217.00	237	XLON	E0HP8SjhpAcP
10:01:22	1,217.00	141	CHIX	2977838272553
10:01:24	1,217.00	19	CHIX	2977838272557
10:11:02	1,219.00	59	BATE	156728352068
10:11:02	1,219.00	108	BATE	156728352069
10:14:11	1,219.00	86	BATE	156728352410
10:14:11	1,219.00	124	XLON	E0HP8SjhpNdb
10:14:11	1,219.00	26	XLON	E0HP8SjhpNdd
10:18:51	1,218.00	25	XLON	E0HP8SjhpRzY
10:18:51	1,218.00	186	XLON	E0HP8SjhpRza
10:23:14	1,222.00	246	CHIX	2977838276599
10:27:52	1,222.00	84	CHIX	2977838277330
10:27:52	1,222.00	138	CHIX	2977838277331
10:32:48	1,222.00	44	BATE	156728354387
10:32:48	1,222.00	177	BATE	156728354388
10:34:59	1,222.00	211	BATE	156728354666
10:40:18	1,225.00	162	XLON	E0HP8Sjhpk06
10:40:18	1,225.00	290	XLON	E0HP8Sjhpk08
10:40:18	1,224.00	235	CHIX	2977838279549
10:52:51	1,229.00	220	CHIX	2977838282018
10:52:51	1,228.00	56	CHIX	2977838282019
10:52:51	1,228.00	176	CHIX	2977838282020
11:04:46	1,227.00	234	BATE	156728357882
11:09:44	1,227.00	206	CHIX	2977838285020
11:09:44	1,227.00	9	CHIX	2977838285021
11:14:14	1,227.00	235	CHIX	2977838285718
11:15:50	1,226.00	33	CHIX	2977838285978
11:15:50	1,226.00	193	CHIX	2977838285979
11:17:05	1,225.00	178	AQXE	45091
11:17:05	1,225.00	31	AQXE	45092
11:17:05	1,224.00	214	CHIX	2977838286138
11:31:54	1,225.00	463	CHIX	2977838288764
11:31:54	1,224.00	156	XLON	E0HP8SjhqLVs
11:31:54	1,224.00	68	XLON	E0HP8SjhqLVu
11:45:15	1,224.00	26	CHIX	2977838290752
11:50:07	1,226.00	258	CHIX	2977838291459
11:50:07	1,226.00	193	CHIX	2977838291460
11:50:07	1,226.00	212	XLON	E0HP8SjhqV6x
11:57:04	1,225.00	22	CHIX	2977838292553
11:59:55	1,225.00	81	CHIX	2977838292956
12:03:50	1,227.00	241	CHIX	2977838293749
12:08:59	1,227.00	249	XLON	E0HP8SjhqghH
12:12:12	1,225.00	195	XLON	E0HP8SjhqiVI
12:12:12	1,225.00	105	CHIX	2977838295259
12:12:12	1,225.00	195	BATE	156728364715
12:12:12	1,225.00	9	CHIX	2977838295260
12:12:12	1,225.00	210	CHIX	2977838295262
12:28:07	1,223.00	174	XLON	E0HP8SjhqtQ0
12:28:07	1,223.00	8	XLON	E0HP8SjhqtQ2
12:28:07	1,223.00	44	XLON	E0HP8SjhqtQ4
12:32:19	1,223.00	225	XLON	E0HP8SjhqwoJ
12:36:44	1,223.00	28	XLON	E0HP8SjhqzAx
12:36:44	1,223.00	167	XLON	E0HP8SjhqzAz
12:40:31	1,223.00	212	CHIX	2977838299982
12:44:36	1,223.00	39	CHIX	2977838300432
12:44:36	1,223.00	33	CHIX	2977838300433
12:44:36	1,223.00	12	BATE	156728367713
12:44:36	1,223.00	37	BATE	156728367714
12:44:36	1,223.00	120	BATE	156728367715
12:44:42	1,221.00	16	CHIX	2977838300457
12:45:03	1,221.00	20	XLON	E0HP8Sjhr4Mx
12:46:51	1,221.00	34	CHIX	2977838300893
12:46:57	1,221.00	46	XLON	E0HP8Sjhr5VF
12:46:57	1,221.00	156	XLON	E0HP8Sjhr5VH
12:46:57	1,221.00	172	CHIX	2977838300906
12:46:57	1,221.00	108	BATE	156728367953
12:46:57	1,221.00	107	CHIX	2977838300907
12:50:40	1,218.00	244	CHIX	2977838301924
12:59:56	1,217.00	68	CHIX	2977838303525
13:07:14	1,221.00	38	AQXE	63498
13:07:14	1,221.00	35	BATE	156728370571
13:07:14	1,221.00	77	BATE	156728370572
13:07:14	1,221.00	57	BATE	156728370573
13:10:12	1,221.00	229	CHIX	2977838305756
13:15:13	1,223.00	11	XLON	E0HP8SjhrQLa
13:15:13	1,223.00	70	XLON	E0HP8SjhrQLc
13:17:17	1,223.00	231	BATE	156728371619
13:18:59	1,222.00	615	CHIX	2977838307169
13:18:59	1,222.00	11	CHIX	2977838307170
13:29:54	1,223.00	38	AQXE	67279
13:29:54	1,223.00	90	XLON	E0HP8Sjhrax3
13:29:54	1,223.00	85	XLON	E0HP8Sjhrax5
13:30:04	1,221.00	15	CHIX	2977838309363
13:30:04	1,221.00	222	CHIX	2977838309365
13:30:04	1,221.00	17	CHIX	2977838309366
13:30:33	1,220.00	239	BATE	156728373501
13:30:33	1,220.00	253	XLON	E0HP8SjhrcCo
13:43:35	1,224.00	4	XLON	E0HP8SjhrqH0
13:43:35	1,224.00	23	XLON	E0HP8SjhrqH2
13:43:35	1,224.00	79	XLON	E0HP8SjhrqH4
13:43:35	1,224.00	91	XLON	E0HP8SjhrqH6
13:43:35	1,224.00	20	XLON	E0HP8SjhrqH8
13:46:16	1,224.00	102	XLON	E0HP8Sjhrsi9
13:49:36	1,223.00	451	BATE	156728375998
13:49:36	1,223.00	202	BATE	156728375999
13:49:36	1,223.00	81	AQXE	71637
13:49:36	1,223.00	16	BATE	156728376000
13:49:36	1,223.00	142	AQXE	71638
13:59:54	1,229.00	39	AQXE	73759
13:59:54	1,229.00	24	XLON	E0HP8Sjhs3gb
13:59:54	1,229.00	126	XLON	E0HP8Sjhs3gd
13:59:54	1,229.00	14	XLON	E0HP8Sjhs3gf
14:01:21	1,226.00	366	CHIX	2977838316181
14:01:21	1,226.00	246	XLON	E0HP8Sjhs4ck
14:01:21	1,226.00	120	BATE	156728377623
14:01:21	1,224.00	6	CHIX	2977838316187
14:01:21	1,224.00	216	CHIX	2977838316188
14:15:19	1,220.00	58	CHIX	2977838319565
14:15:19	1,220.00	91	XLON	E0HP8SjhsFyr
14:15:19	1,220.00	101	XLON	E0HP8SjhsFyt
14:18:19	1,220.00	161	CHIX	2977838320247
14:18:19	1,220.00	60	XLON	E0HP8SjhsIK1
14:21:04	1,218.00	257	XLON	E0HP8SjhsKVF
14:24:15	1,219.00	222	BATE	156728381151
14:26:59	1,220.00	119	XLON	E0HP8SjhsQ26
14:28:30	1,220.00	47	XLON	E0HP8SjhsRGE
14:28:30	1,220.00	155	XLON	E0HP8SjhsRGG
14:28:30	1,220.00	42	XLON	E0HP8SjhsRGI
14:30:03	1,218.00	116	BATE	156728382546
14:30:03	1,218.00	170	CHIX	2977838323924
14:30:03	1,218.00	185	CHIX	2977838323925
14:30:03	1,218.00	239	XLON	E0HP8SjhsTby
14:32:27	1,216.00	251	BATE	156728383576
14:32:27	1,216.00	244	CHIX	2977838325356
14:32:27	1,216.00	232	CHIX	2977838325357
14:39:33	1,215.00	111	XLON	E0HP8SjhsqNK
14:44:40	1,220.00	87	XLON	E0HP8SjhszmR
14:45:22	1,220.00	222	XLON	E0HP8Sjht10Y
14:46:51	1,219.00	130	BATE	156728387618
14:46:51	1,219.00	51	CHIX	2977838331289
14:46:51	1,219.00	346	CHIX	2977838331290
14:46:51	1,219.00	267	XLON	E0HP8Sjht3ha
14:46:51	1,218.00	381	XLON	E0HP8Sjht3iD
14:58:36	1,220.00	81	XLON	E0HP8SjhtMSm
14:58:36	1,220.00	241	XLON	E0HP8SjhtMT2
14:58:51	1,218.00	52	XLON	E0HP8SjhtMjh
14:58:51	1,218.00	42	XLON	E0HP8SjhtMjj
14:58:51	1,218.00	26	XLON	E0HP8SjhtMjl
14:58:51	1,218.00	21	XLON	E0HP8SjhtMjn
14:58:51	1,218.00	308	XLON	E0HP8SjhtMjp
15:00:03	1,216.00	263	CHIX	2977838337586
15:05:23	1,220.00	473	AQXE	100437
15:10:58	1,222.00	248	CHIX	2977838343163
15:13:07	1,223.00	60	BATE	156728395721
15:13:07	1,223.00	166	BATE	156728395722
15:14:53	1,223.00	32	CHIX	2977838344673
15:14:53	1,223.00	193	CHIX	2977838344674
15:16:53	1,224.00	255	XLON	E0HP8Sjhts8C
15:19:10	1,224.00	240	XLON	E0HP8Sjhtvzd
15:21:13	1,225.00	243	XLON	E0HP8SjhtyfQ
15:21:32	1,223.00	473	CHIX	2977838347765
15:21:33	1,222.00	234	CHIX	2977838347766
15:21:33	1,222.00	22	CHIX	2977838347767
15:21:33	1,222.00	208	CHIX	2977838347768
15:21:33	1,222.00	222	XLON	E0HP8Sjhtz0w
15:33:50	1,222.00	213	BATE	156728401389
15:35:44	1,224.00	78	AQXE	114199
15:35:44	1,224.00	158	BATE	156728401898
15:37:58	1,224.00	91	BATE	156728402536
15:37:58	1,224.00	140	BATE	156728402537
15:40:59	1,226.00	50	XLON	E0HP8SjhuNvC
15:40:59	1,226.00	172	XLON	E0HP8SjhuNvE
15:41:45	1,226.00	116	XLON	E0HP8SjhuOhF
15:41:45	1,226.00	40	XLON	E0HP8SjhuOhH
15:41:45	1,226.00	58	XLON	E0HP8SjhuOhJ
15:41:45	1,226.00	35	XLON	E0HP8SjhuOhL
15:42:47	1,224.00	42	BATE	156728403746
15:42:47	1,224.00	73	CHIX	2977838355859
15:42:47	1,224.00	183	BATE	156728403748
15:42:47	1,224.00	300	CHIX	2977838355860
15:42:47	1,224.00	252	CHIX	2977838355861
15:42:47	1,224.00	17	BATE	156728403749
15:42:47	1,224.00	8	CHIX	2977838355862
15:51:36	1,224.00	116	AQXE	120448
15:51:36	1,224.00	1	BATE	156728406080
15:51:36	1,224.00	46	BATE	156728406081
15:51:36	1,224.00	82	BATE	156728406082
15:54:47	1,225.00	77	BATE	156728406968
15:54:47	1,225.00	22	BATE	156728406969
15:54:47	1,225.00	26	BATE	156728406970
15:54:47	1,225.00	377	CHIX	2977838360959
15:54:47	1,225.00	2	CHIX	2977838360960
15:54:47	1,225.00	256	XLON	E0HP8SjhudJO
15:55:14	1,224.00	274	CHIX	2977838361177
16:00:27	1,223.00	270	BATE	156728408701
16:00:27	1,223.00	67	BATE	156728408702
16:00:27	1,223.00	205	BATE	156728408703
16:07:06	1,229.00	240	CHIX	2977838366798
16:07:27	1,228.00	585	CHIX	2977838366942
16:07:27	1,227.00	285	CHIX	2977838366946
16:07:27	1,227.00	70	CHIX	2977838366947
16:07:27	1,227.00	286	XLON	E0HP8SjhusTf
16:16:51	1,227.00	163	AQXE	133247
16:16:51	1,227.00	65	AQXE	133248
16:17:30	1,228.00	37	XLON	E0HP8Sjhv5Ay
16:17:30	1,228.00	169	XLON	E0HP8Sjhv5B0
16:17:30	1,228.00	25	XLON	E0HP8Sjhv5B2
16:18:39	1,228.00	221	XLON	E0HP8Sjhv6Lz
16:19:31	1,229.00	244	BATE	156728415374
16:20:41	1,230.00	225	XLON	E0HP8Sjhv98a
16:21:09	1,229.00	343	XLON	E0HP8Sjhv9qj
16:21:09	1,229.00	243	CHIX	2977838374417
16:21:09	1,229.00	168	BATE	156728416188
16:21:09	1,229.00	267	CHIX	2977838374418

 

 

Indivior PLC's Legal Entity Identifier code is 213800V3NCQTY7IED471.