Exhibit 1

British American Tobacco p.l.c.

11 September 2024

TRANSACTION IN OWN SHARES

British American Tobacco p.l.c. (the “Company”) announces that in accordance with the authority granted by shareholders at the Company’s Annual General Meeting on 24 April 2024 it purchased the following number of its ordinary shares of 25 pence each (“shares”) from Goldman Sachs International as part of its buyback programme announced on 18 March 2024:

Date of purchase:	10 September 2024
Number of ordinary shares of 25 pence each purchased:	82,659
Highest price paid per share (pence):	2978.00p
Lowest price paid per share (pence):	2959.00p
Volume weighted average price paid per share (pence):	2970.38p

The Company intends to cancel the purchased shares.

Following the purchase and cancellation of these shares, the Company will have 2,215,443,033 ordinary shares in issue (excluding treasury shares) which carry voting rights and will hold 133,274,739 ordinary shares in treasury. This information may be used by shareholders to determine whether they are required to notify their interest, or a change to their interest, in the Company under the FCA’s Disclosure Guidance and Transparency Rules.

In accordance with Article 5(1)(b) of the Market Abuse Regulation (EU) No 596/2014 as it applies in the UK, a schedule of individual trades carried out by Goldman Sachs International on 10 September 2024 is set out below.

Enquiries:

Investor Relations

Victoria Buxton: +44 (0)20 7845 2012 | IR_team@bat.com

Schedule of purchases - aggregate information

Issuer name	ISIN Code	Transaction date	Daily total volume (in number of shares)	Daily weighted average price of shares acquired	Platform
British American Tobacco p.l.c.	GB0002875804	10/09/2024	82,659	2970.38p	LSE
British American Tobacco p.l.c.	GB0002875804	10/09/2024	0	0	CHIX
British American Tobacco p.l.c.	GB0002875804	10/09/2024	0	0	BATE

Schedule of purchases - individual transactions

Number of shares purchased	Transaction price (per share)	Market	Time of transaction
828	2968	XLON	08:22:16
850	2967	XLON	08:22:51
432	2968	XLON	08:23:34
242	2969	XLON	08:25:46
125	2969	XLON	08:25:46
336	2969	XLON	08:28:03
295	2969	XLON	08:33:07
198	2970	XLON	08:36:01
196	2970	XLON	08:36:01
21	2970	XLON	08:41:14
331	2970	XLON	08:41:14
373	2969	XLON	08:41:14
333	2971	XLON	08:44:22
64	2971	XLON	08:46:06
292	2971	XLON	08:46:11
366	2970	XLON	08:46:48
320	2970	XLON	08:47:46
295	2971	XLON	08:51:50
295	2970	XLON	08:52:58
275	2971	XLON	08:54:53
277	2970	XLON	08:59:14
275	2969	XLON	08:59:14
264	2968	XLON	08:59:30
398	2968	XLON	09:15:03
743	2969	XLON	09:15:27
303	2970	XLON	09:19:34
538	2969	XLON	09:22:12
757	2968	XLON	09:22:26
285	2967	XLON	09:27:15
400	2968	XLON	09:32:05
7	2968	XLON	09:32:05
282	2968	XLON	09:32:05
264	2968	XLON	09:32:18
414	2967	XLON	09:34:10
264	2968	XLON	09:35:25
269	2969	XLON	09:45:24
337	2969	XLON	09:45:27
266	2968	XLON	09:48:31
327	2969	XLON	09:55:47
355	2968	XLON	10:00:03
264	2967	XLON	10:00:04
163	2966	XLON	10:00:25
218	2966	XLON	10:00:25
37	2965	XLON	10:01:33

36	2965	XLON	10:01:35
37	2965	XLON	10:01:36
37	2965	XLON	10:01:40
37	2965	XLON	10:01:41
36	2965	XLON	10:01:42
159	2965	XLON	10:01:56
37	2964	XLON	10:02:04
365	2964	XLON	10:02:07
272	2964	XLON	10:03:14
36	2962	XLON	10:05:20
241	2962	XLON	10:05:20
280	2961	XLON	10:08:05
281	2960	XLON	10:12:21
278	2960	XLON	10:12:52
5	2959	XLON	10:13:45
15	2959	XLON	10:13:45
55	2963	XLON	10:14:13
371	2964	XLON	10:17:09
297	2964	XLON	10:19:33
279	2965	XLON	10:25:23
41	2964	XLON	10:25:34
263	2964	XLON	10:25:34
298	2965	XLON	10:26:51
273	2964	XLON	10:27:01
279	2966	XLON	10:31:38
276	2966	XLON	10:37:50
341	2967	XLON	10:44:08
277	2966	XLON	10:44:23
388	2967	XLON	10:48:04
265	2967	XLON	10:48:21
270	2968	XLON	10:50:56
326	2968	XLON	10:53:20
296	2968	XLON	10:57:35
266	2968	XLON	10:59:00
279	2968	XLON	10:59:40
264	2969	XLON	11:04:28
276	2968	XLON	11:09:04
278	2967	XLON	11:09:04
108	2966	XLON	11:10:35
368	2966	XLON	11:12:44
203	2967	XLON	11:16:59
105	2967	XLON	11:16:59
305	2968	XLON	11:21:47
84	2968	XLON	11:21:47
350	2969	XLON	11:23:35
290	2970	XLON	11:25:17
313	2971	XLON	11:28:23
290	2972	XLON	11:30:04

276	2970	XLON	11:33:09
7	2971	XLON	11:34:58
141	2971	XLON	11:35:33
125	2971	XLON	11:35:33
275	2971	XLON	11:41:13
275	2971	XLON	11:42:42
207	2971	XLON	11:45:27
67	2971	XLON	11:45:27
277	2969	XLON	11:51:01
21	2970	XLON	11:56:13
252	2970	XLON	11:56:13
270	2969	XLON	11:59:29
273	2969	XLON	12:00:00
274	2968	XLON	12:00:00
278	2968	XLON	12:02:02
266	2968	XLON	12:05:32
264	2968	XLON	12:09:09
274	2968	XLON	12:10:36
266	2969	XLON	12:14:37
267	2969	XLON	12:18:51
271	2969	XLON	12:20:19
271	2968	XLON	12:23:04
268	2969	XLON	12:28:44
268	2968	XLON	12:30:49
265	2967	XLON	12:36:25
356	2967	XLON	12:37:46
390	2967	XLON	12:40:48
163	2967	XLON	12:40:48
147	2967	XLON	12:40:48
357	2967	XLON	12:54:52
270	2966	XLON	12:54:53
300	2965	XLON	12:54:53
225	2965	XLON	12:54:53
464	2968	XLON	13:04:07
373	2968	XLON	13:05:21
337	2968	XLON	13:08:08
268	2968	XLON	13:10:02
282	2968	XLON	13:11:48
452	2967	XLON	13:11:56
236	2967	XLON	13:17:28
40	2967	XLON	13:17:28
271	2969	XLON	13:20:37
275	2970	XLON	13:23:25
181	2973	XLON	13:34:35
344	2973	XLON	13:34:51
366	2973	XLON	13:41:06
590	2973	XLON	13:43:03
71	2972	XLON	13:43:27

498	2973	XLON	13:45:47
397	2975	XLON	13:47:04
292	2975	XLON	13:50:11
431	2977	XLON	13:51:54
291	2978	XLON	13:55:23
94	2978	XLON	13:55:26
265	2978	XLON	13:55:26
303	2977	XLON	13:55:30
330	2978	XLON	14:01:44
361	2977	XLON	14:10:02
300	2976	XLON	14:10:58
27	2976	XLON	14:10:58
454	2975	XLON	14:13:47
592	2974	XLON	14:15:08
200	2973	XLON	14:15:45
339	2973	XLON	14:15:45
551	2972	XLON	14:16:00
18	2971	XLON	14:17:06
316	2971	XLON	14:17:06
274	2971	XLON	14:20:02
278	2971	XLON	14:23:07
371	2971	XLON	14:23:15
220	2971	XLON	14:23:54
133	2971	XLON	14:23:54
273	2970	XLON	14:23:54
321	2968	XLON	14:27:01
305	2968	XLON	14:27:20
105	2969	XLON	14:28:47
294	2969	XLON	14:28:47
62	2968	XLON	14:28:47
346	2970	XLON	14:29:11
345	2971	XLON	14:30:01
320	2971	XLON	14:30:30
326	2970	XLON	14:30:39
313	2969	XLON	14:31:13
304	2968	XLON	14:31:26
75	2970	XLON	14:32:07
202	2970	XLON	14:32:18
25	2970	XLON	14:32:19
99	2969	XLON	14:32:20
197	2969	XLON	14:32:20
287	2969	XLON	14:32:41
294	2968	XLON	14:33:15
278	2968	XLON	14:33:21
300	2970	XLON	14:34:01
304	2971	XLON	14:35:02
714	2974	XLON	14:37:53
149	2974	XLON	14:37:53

755	2977	XLON	14:39:19
493	2976	XLON	14:39:26
11	2976	XLON	14:39:26
296	2976	XLON	14:39:26
130	2976	XLON	14:40:58
276	2976	XLON	14:41:00
106	2976	XLON	14:41:00
47	2976	XLON	14:41:52
842	2975	XLON	14:42:11
5	2976	XLON	14:45:01
467	2976	XLON	14:45:01
617	2976	XLON	14:46:01
24	2976	XLON	14:47:00
572	2976	XLON	14:47:00
371	2976	XLON	14:47:05
298	2977	XLON	14:47:32
58	2977	XLON	14:47:32
292	2976	XLON	14:48:03
137	2975	XLON	14:48:56
100	2975	XLON	14:48:57
44	2975	XLON	14:48:57
218	2975	XLON	14:49:08
278	2977	XLON	14:50:24
333	2978	XLON	14:51:31
266	2977	XLON	14:52:56
373	2976	XLON	14:52:57
264	2976	XLON	14:53:04
265	2977	XLON	14:53:35
279	2976	XLON	14:54:08
483	2976	XLON	14:56:02
316	2975	XLON	14:56:59
302	2975	XLON	14:57:09
532	2977	XLON	14:59:12
280	2977	XLON	14:59:28
350	2976	XLON	14:59:28
265	2976	XLON	15:00:03
272	2973	XLON	15:02:02
276	2972	XLON	15:02:29
275	2971	XLON	15:02:42
459	2970	XLON	15:03:37
498	2968	XLON	15:04:00
459	2968	XLON	15:05:45
453	2969	XLON	15:07:03
367	2968	XLON	15:09:28
365	2967	XLON	15:09:28
471	2970	XLON	15:10:45
458	2969	XLON	15:11:34
464	2971	XLON	15:12:46

471	2971	XLON	15:14:24
44	2972	XLON	15:16:00
412	2972	XLON	15:16:00
466	2970	XLON	15:17:57
458	2969	XLON	15:18:28
481	2969	XLON	15:19:35
457	2968	XLON	15:21:18
465	2969	XLON	15:22:58
289	2971	XLON	15:26:53
327	2970	XLON	15:27:11
354	2970	XLON	15:27:17
361	2970	XLON	15:28:31
313	2969	XLON	15:28:55
454	2969	XLON	15:30:03
447	2970	XLON	15:31:19
157	2970	XLON	15:32:50
164	2970	XLON	15:32:50
463	2969	XLON	15:33:49
333	2970	XLON	15:35:24
314	2969	XLON	15:35:29
271	2968	XLON	15:35:32
404	2969	XLON	15:35:49
14	2968	XLON	15:35:50
457	2969	XLON	15:38:46
466	2969	XLON	15:38:50
467	2970	XLON	15:43:09
566	2971	XLON	15:44:29
288	2971	XLON	15:44:38
285	2972	XLON	15:45:44
321	2972	XLON	15:46:56
3	2972	XLON	15:47:07
10	2972	XLON	15:47:07
359	2972	XLON	15:47:07
534	2973	XLON	15:49:21
388	2972	XLON	15:49:39
321	2972	XLON	15:49:51
294	2972	XLON	15:50:47
133	2972	XLON	15:51:07
145	2972	XLON	15:51:07
339	2972	XLON	15:51:33
333	2972	XLON	15:52:56
372	2972	XLON	15:53:56
468	2972	XLON	15:54:53
499	2973	XLON	15:56:14
112	2973	XLON	15:58:06
250	2973	XLON	15:58:06
417	2973	XLON	15:58:36
407	2972	XLON	15:59:04
215	2972	XLON	15:59:26