Exhibit 1

British American Tobacco p.l.c.

10 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:	9 September 2024
Number of ordinary shares of 25 pence each purchased:	83,362
Highest price paid per share (pence):	2969.00p
Lowest price paid per share (pence):	2928.00p
Volume weighted average price paid per share (pence):	2943.14p

The Company intends to cancel the purchased shares.

Following the purchase and cancellation of these shares, the Company will have 2,215,525,214 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 9 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	09/09/2024	83,362	2943.14p	LSE
British American Tobacco p.l.c.	GB0002875804	09/09/2024	0	0	CHIX
British American Tobacco p.l.c.	GB0002875804	09/09/2024	0	0	BATE

Schedule of purchases - individual transactions

Number of shares purchased	Transaction price (per share)	Market	Time of transaction
759	2937	XLON	08:21:37
151	2936	XLON	08:22:41
808	2936	XLON	08:23:24
445	2936	XLON	08:24:22
452	2935	XLON	08:24:46
5	2935	XLON	08:26:29
63	2935	XLON	08:26:31
307	2935	XLON	08:26:36
319	2935	XLON	08:27:21
366	2935	XLON	08:29:59
311	2937	XLON	08:30:01
301	2940	XLON	08:32:36
287	2939	XLON	08:34:57
276	2937	XLON	08:38:56
282	2936	XLON	08:40:07
268	2934	XLON	08:46:06
468	2935	XLON	08:51:02
389	2935	XLON	08:52:12
323	2935	XLON	08:52:30
362	2934	XLON	08:54:23
326	2934	XLON	08:56:13
293	2934	XLON	08:57:49
288	2936	XLON	08:59:22
280	2938	XLON	09:02:17
272	2938	XLON	09:03:42
276	2938	XLON	09:06:16
282	2938	XLON	09:09:20
281	2937	XLON	09:09:58
278	2938	XLON	09:11:22
277	2938	XLON	09:13:15
271	2939	XLON	09:17:48
274	2938	XLON	09:21:31
149	2938	XLON	09:22:44
204	2938	XLON	09:22:44
394	2938	XLON	09:23:22
308	2940	XLON	09:28:09
286	2939	XLON	09:32:34
308	2938	XLON	09:34:12
292	2937	XLON	09:35:40
158	2937	XLON	09:36:37
112	2937	XLON	09:36:37
3	2937	XLON	09:36:45
274	2936	XLON	09:38:07
265	2935	XLON	09:39:49
256	2935	XLON	09:43:35

15	2935	XLON	09:43:35
267	2934	XLON	09:43:41
281	2933	XLON	09:45:36
266	2933	XLON	09:50:48
270	2933	XLON	09:51:15
267	2933	XLON	09:55:01
273	2932	XLON	09:55:21
268	2932	XLON	09:57:10
270	2930	XLON	10:00:41
1	2930	XLON	10:04:43
269	2930	XLON	10:07:47
78	2930	XLON	10:07:49
110	2930	XLON	10:07:49
184	2930	XLON	10:07:49
332	2930	XLON	10:09:52
395	2932	XLON	10:16:37
37	2931	XLON	10:16:44
484	2933	XLON	10:26:35
988	2936	XLON	10:39:02
265	2935	XLON	10:39:40
43	2935	XLON	10:40:47
91	2935	XLON	10:40:48
100	2935	XLON	10:40:58
21	2935	XLON	10:40:58
14	2935	XLON	10:41:00
21	2935	XLON	10:41:03
491	2935	XLON	10:41:23
1028	2934	XLON	10:42:14
380	2934	XLON	10:45:55
267	2934	XLON	10:50:28
328	2933	XLON	10:50:28
297	2931	XLON	10:54:36
280	2932	XLON	10:55:02
279	2932	XLON	10:56:37
271	2932	XLON	11:04:02
34	2934	XLON	11:15:57
610	2934	XLON	11:15:57
574	2937	XLON	11:21:02
10	2936	XLON	11:21:08
502	2936	XLON	11:21:29
371	2937	XLON	11:21:59
173	2934	XLON	11:29:08
126	2934	XLON	11:29:08
290	2934	XLON	11:29:39
272	2934	XLON	11:30:25
79	2932	XLON	11:32:33
190	2932	XLON	11:32:33
277	2931	XLON	11:35:45

274	2930	XLON	11:36:51
271	2930	XLON	11:40:34
268	2929	XLON	11:44:27
268	2928	XLON	11:46:07
279	2929	XLON	11:52:59
264	2929	XLON	11:54:29
264	2929	XLON	11:55:52
115	2930	XLON	11:58:28
347	2932	XLON	12:02:08
329	2930	XLON	12:08:43
285	2931	XLON	12:09:58
281	2930	XLON	12:10:08
280	2929	XLON	12:13:40
56	2928	XLON	12:13:43
277	2930	XLON	12:19:49
346	2932	XLON	12:24:21
325	2934	XLON	12:24:43
291	2935	XLON	12:29:06
312	2934	XLON	12:30:42
280	2935	XLON	12:31:32
264	2934	XLON	12:33:46
272	2933	XLON	12:35:43
47	2932	XLON	12:40:10
384	2935	XLON	12:42:18
417	2937	XLON	12:53:01
319	2937	XLON	12:54:07
34	2937	XLON	12:54:07
298	2936	XLON	12:57:33
43	2936	XLON	12:58:12
96	2936	XLON	12:58:12
207	2936	XLON	12:59:21
60	2936	XLON	12:59:22
19	2935	XLON	12:59:38
198	2935	XLON	12:59:39
320	2935	XLON	13:01:59
316	2934	XLON	13:01:59
39	2932	XLON	13:08:06
3	2932	XLON	13:13:12
337	2932	XLON	13:13:12
361	2932	XLON	13:13:23
300	2932	XLON	13:14:22
291	2932	XLON	13:16:46
278	2932	XLON	13:22:54
274	2932	XLON	13:25:05
278	2932	XLON	13:25:25
276	2933	XLON	13:28:21
273	2934	XLON	13:31:33
99	2934	XLON	13:33:55

8	2935	XLON	13:36:46
8	2935	XLON	13:36:46
419	2936	XLON	13:39:35
304	2937	XLON	13:41:00
377	2938	XLON	13:41:58
324	2935	XLON	13:46:20
3	2935	XLON	13:48:03
282	2935	XLON	13:48:45
347	2934	XLON	13:57:23
264	2933	XLON	13:58:23
264	2932	XLON	13:58:53
308	2932	XLON	13:59:23
574	2934	XLON	14:03:33
5	2934	XLON	14:04:39
3	2934	XLON	14:04:39
401	2934	XLON	14:04:43
458	2935	XLON	14:07:11
386	2934	XLON	14:08:53
298	2933	XLON	14:10:25
265	2933	XLON	14:12:22
304	2933	XLON	14:14:14
53	2933	XLON	14:14:14
374	2933	XLON	14:16:55
156	2934	XLON	14:18:35
166	2934	XLON	14:18:35
491	2935	XLON	14:27:23
7	2935	XLON	14:28:21
18	2935	XLON	14:28:21
364	2935	XLON	14:28:41
371	2935	XLON	14:28:41
712	2935	XLON	14:29:30
30	2935	XLON	14:29:59
9	2935	XLON	14:29:59
484	2935	XLON	14:29:59
347	2935	XLON	14:30:03
124	2935	XLON	14:30:03
357	2936	XLON	14:30:13
351	2938	XLON	14:30:31
314	2939	XLON	14:30:56
339	2939	XLON	14:31:14
100	2939	XLON	14:31:28
231	2939	XLON	14:31:39
310	2938	XLON	14:31:46
294	2938	XLON	14:32:58
301	2937	XLON	14:33:12
290	2936	XLON	14:33:29
9	2936	XLON	14:33:29
472	2938	XLON	14:34:03

486	2937	XLON	14:34:09
290	2938	XLON	14:34:20
270	2937	XLON	14:34:20
281	2939	XLON	14:34:41
282	2938	XLON	14:34:41
302	2940	XLON	14:36:43
307	2940	XLON	14:37:38
308	2939	XLON	14:37:54
290	2939	XLON	14:38:35
295	2938	XLON	14:39:21
306	2939	XLON	14:39:45
269	2939	XLON	14:40:15
182	2940	XLON	14:42:54
397	2940	XLON	14:43:05
548	2941	XLON	14:45:10
782	2942	XLON	14:47:01
65	2944	XLON	14:47:57
208	2944	XLON	14:47:57
119	2944	XLON	14:47:58
876	2947	XLON	14:50:27
600	2948	XLON	14:51:05
441	2948	XLON	14:51:06
371	2948	XLON	14:51:50
514	2949	XLON	14:53:29
626	2952	XLON	14:55:54
425	2951	XLON	14:55:54
49	2951	XLON	14:55:54
382	2952	XLON	14:56:18
394	2952	XLON	14:56:20
484	2951	XLON	14:58:13
491	2951	XLON	14:59:31
476	2952	XLON	15:01:06
24	2952	XLON	15:01:07
477	2952	XLON	15:01:07
136	2956	XLON	15:03:25
16	2956	XLON	15:03:25
130	2956	XLON	15:03:25
381	2956	XLON	15:04:38
389	2956	XLON	15:04:57
381	2956	XLON	15:05:48
446	2957	XLON	15:05:57
200	2957	XLON	15:07:41
303	2957	XLON	15:07:41
397	2957	XLON	15:09:25
271	2958	XLON	15:09:55
360	2959	XLON	15:12:20
377	2959	XLON	15:12:27
449	2959	XLON	15:12:42

461	2961	XLON	15:15:22
466	2961	XLON	15:15:48
443	2962	XLON	15:16:31
318	2965	XLON	15:19:36
312	2964	XLON	15:20:33
309	2963	XLON	15:20:33
353	2962	XLON	15:20:42
125	2961	XLON	15:21:51
157	2961	XLON	15:21:55
292	2962	XLON	15:23:10
440	2963	XLON	15:24:27
460	2963	XLON	15:24:49
471	2962	XLON	15:26:11
439	2962	XLON	15:27:38
459	2963	XLON	15:29:27
448	2962	XLON	15:30:39
458	2960	XLON	15:31:27
472	2962	XLON	15:34:12
443	2962	XLON	15:35:10
444	2962	XLON	15:35:40
460	2964	XLON	15:37:31
453	2966	XLON	15:37:53
448	2969	XLON	15:39:25
466	2967	XLON	15:40:45
448	2967	XLON	15:42:17
439	2966	XLON	15:43:48
10	2968	XLON	15:45:24
3	2968	XLON	15:45:24
439	2968	XLON	15:45:24
362	2967	XLON	15:46:01
282	2968	XLON	15:47:35
284	2968	XLON	15:48:18
449	2967	XLON	15:49:17
273	2966	XLON	15:49:50
287	2965	XLON	15:51:55
477	2964	XLON	15:52:26
349	2966	XLON	15:52:49
270	2966	XLON	15:53:23
461	2965	XLON	15:55:17
297	2966	XLON	15:55:35
177	2966	XLON	15:57:42
161	2966	XLON	15:57:42
413	2969	XLON	15:58:31
4	2968	XLON	15:59:11
360	2968	XLON	15:59:11
388	2967	XLON	15:59:28