ABB Ltd

Transaction in Own Shares • Oct 23, 2025

ZURICH, SWITZERLAND, OCTOBER 23, 2025

ABB share buybacks

October 16, 2025 – October 22, 2025

During the period October 16, 2025, to October 22, 2025, ABB repurchased a total of 254'774 shares as part of its share buyback program announced on February 7, 2025.

The buyback program is being carried out in accordance with the Swiss Ordinance on Financial Market Infrastructures and Market Conduct in Securities and Derivatives Trading (FMIO), the Market Abuse Regulation (EU) No 596/2014 ("MAR") and the Commission Delegated Regulation (EU) No 2016/1052 (the "Safe Harbour Regulation").

Date	Aggregated daily volume (number of shares)	Daily weighted average share price (CHF)	Daily buyback amount (CHF)
16-Oct-25	62'000	59.4053	3'683'130.03
17-Oct-25	30'000	58.2527	1'747'580.01
20-Oct-25	55'774	58.7402	3'276'173.68
21-Oct-25	56'000	58.3281	3'266'373.54
22-Oct-25	51'000	58.3211	2'974'376.97

All share purchases above have been carried out on a separate trading line on the SIX Swiss Exchange by a bank, on behalf of ABB. A full breakdown of the transactions pursuant to article 5.3 of MAR and article 2.3 of the Safe Harbour Regulation is attached to this announcement. The bank makes its trading decisions concerning the timing of share repurchases independently of ABB, within some defined parameters.

The total number of ABB Ltd shares which have been bought back within the current share buyback program from February 10, 2025, to and including October 22, 2025, 17'863'120 shares.

Additional information is available on ABB's investor relations website site at https://global.abb/group/en/investors/investor-and-shareholder-resources/share-buybacks/2025

ABB is a global technology leader in electrification and automation, enabling a more sustainable and resource-efficient future. By connecting its engineering and digitalization expertise, ABB helps industries run at high performance, while becoming more efficient, productive and sustainable so they outperform. At ABB, we call this 'Engineered to Outrun'. The company has over 140 years of history and around 110,000 employees worldwide. ABB's shares are listed on the SIX Swiss Exchange (ABBN) and Nasdaq Stockholm (ABB). www.abb.com

For more information please contact:

Media Relations Phone: +41 43 317 71 11

—

Email: media.relations@ch.abb.com

Investor Relations

Phone: +41 43 317 71 11

Email: investor.relations@ch.abb.com

ABB Ltd

Affolternstrasse 44 8050 Zurich

Switzerland

Appendix

Detailed individual transaction information:

All share purchases below were completed on a separate trading line on the SIX Swiss Exchange (Bloomberg ticker for SIX Exchange: SE)

Date	Time (CET)	Volume	Price	Exchange	16-Oct-25	15:11:39	500	58.9	SE
16-Oct-25	09:03:01	500	60.14	SE	16-Oct-25	15:11:44	1'000	59	SE
16-Oct-25	09:03:01	500	60.14	SE	16-Oct-25	15:12:28	500	59.12	SE
16-Oct-25	09:03:02	500	60.1	SE	16-Oct-25	15:12:30	1'000	59.04	SE
16-Oct-25	09:03:02	500	60.1	SE	16-Oct-25	15:12:30	500	59.04	SE
16-Oct-25	09:03:02	500	60.14	SE	16-Oct-25	15:24:50	1'000	59.14	SE
16-Oct-25	09:03:02	500	60.14	SE	16-Oct-25	15:30:01	500	59.18	SE
16-Oct-25	09:03:03	500	60.1	SE	16-Oct-25	15:32:29	1'000	59.1	SE
16-Oct-25	09:03:03	500	60.1	SE	16-Oct-25	15:36:43	500	59.16	SE
16-Oct-25	09:11:58	500	58.9	SE	16-Oct-25	15:36:43	1'000	59.16	SE
16-Oct-25	09:15:27	500	59.14	SE	16-Oct-25	15:36:43	500	59.16	SE
16-Oct-25	09:20:49	500	59.4	SE	16-Oct-25	15:46:31	1'000	59.2	SE
16-Oct-25	09:23:18	500	59.52	SE	16-Oct-25	15:51:22	1'000	59.06	SE
16-Oct-25	09:35:04	1'000	59.1	SE	16-Oct-25	15:55:00	1'000	59.18	SE
16-Oct-25	09:35:04	1'000	59.1	SE	16-Oct-25	15:55:00	1'000	59.18	SE
16-Oct-25	10:00:32	1'000	59.42	SE	16-Oct-25	16:04:01	1'000	58.96	SE
16-Oct-25	10:03:01	1'000	59.38	SE	16-Oct-25	16:05:12	1'000	58.96	SE
16-Oct-25	10:11:47	1'000	59.18	SE	16-Oct-25	16:11:42	1'000	58.82	SE
16-Oct-25	10:11:47	1'000	59.18	SE	16-Oct-25	16:12:55	500	58.86	SE
16-Oct-25	10:32:26	1'000	59.34	SE	16-Oct-25	16:17:44	500	58.7	SE
16-Oct-25	10:37:48	1'000	59.1	SE	16-Oct-25	16:17:44	500	58.7	SE
16-Oct-25	10:48:31	500	59.08	SE	16-Oct-25	16:19:40	1'000	58.78	SE
16-Oct-25	10:58:50	1'000	59.16	SE	16-Oct-25	16:25:30	1'000	58.88	SE
16-Oct-25	10:58:50	500	59.16	SE	16-Oct-25	16:29:19	1'000	58.78	SE
16-Oct-25	11:15:53	500	59.66	SE	16-Oct-25	16:35:04	1'000	58.92	SE
16-Oct-25	11:15:57	500	59.64	SE	16-Oct-25	16:35:04	1'000	58.92	SE
16-Oct-25	11:18:37	500	59.56	SE	16-Oct-25	16:43:58	500	59.02	SE
16-Oct-25	11:22:00	1'000	59.66	SE	16-Oct-25	16:49:12	500	59.06	SE
16-Oct-25	11:41:35	1'000	60	SE	16-Oct-25	16:49:52	500	59.02	SE
16-Oct-25	11:41:35	1'000	60	SE	16-Oct-25	16:50:15	1'000	59	SE
16-Oct-25	11:55:08	1'000	60	SE	17-Oct-25	09:03:40	500	58.12	SE
16-Oct-25	11:58:04	500	59.8	SE	17-Oct-25	09:03:40	1'000	58.1	SE
16-Oct-25	12:14:33	1'000	59.78	SE	17-Oct-25	09:04:01	500	58.08	SE
16-Oct-25	12:24:51	1'000	59.56	SE	17-Oct-25	09:04:12	500	58.08	SE
16-Oct-25	12:42:45	500	59.72	SE	17-Oct-25	09:04:22	500	58.02	SE
16-Oct-25	12:56:25	500	59.86	SE	17-Oct-25	09:04:22	1'000	58.02	SE
16-Oct-25	12:57:40	1'000	59.78	SE	17-Oct-25	09:32:44	500	58.16	SE
16-Oct-25	13:16:11	1'000	60	SE	17-Oct-25	09:32:44	500	58.16	SE
16-Oct-25	13:33:10	1'000	59.82	SE	17-Oct-25	09:44:08	500	58.02	SE
16-Oct-25	13:50:10	1'000	59.92	SE	17-Oct-25	09:51:52	1'000	57.96	SE
16-Oct-25	14:05:56	1'000	59.84	SE	17-Oct-25	10:02:42	1'000	57.88	SE
16-Oct-25	14:15:01	1'000	59.68	SE	17-Oct-25	10:14:05	500	57.78	SE
16-Oct-25	14:29:51	500	59.68	SE	17-Oct-25	10:14:05	1'000	57.78	SE
16-Oct-25	14:29:51	1'000	59.68	SE	17-Oct-25	10:14:05	500	57.78	SE
16-Oct-25	14:37:26	1'000	59.78	SE	17-Oct-25	10:26:23	500	57.78	SE
16-Oct-25	14:45:14	1'000	60.14	SE	17-Oct-25	10:45:42	1'000	57.82	SE
16-Oct-25	14:57:05	1'000	60.14	SE	17-Oct-25	10:59:02	1'000	57.7	SE
16-Oct-25	15:03:19	500	59.9	SE	17-Oct-25	11:05:20	1'000	57.74	SE
16-Oct-25	15:04:10	1'000	59.68	SE	17-Oct-25	11:18:33	1'000	57.92	SE
16-Oct-25	15:04:10	1'000	59.68	SE	17-Oct-25	11:38:24	1'000	57.96	SE

ABB SHARE BUYBACKS 2/4

17-Oct-25	11:42:19	500	57.9	SE	20-Oct-25	14:36:36	661	58.8	SE
17-Oct-25	11:52:07	1'000	57.88	SE	20-Oct-25	14:42:22	778	58.8	SE
17-Oct-25	12:14:46	500	57.92	SE	20-Oct-25	14:49:18	659	58.82	SE
17-Oct-25	12:23:53	1'000	57.92	SE	20-Oct-25	14:49:18	1'000	58.82	SE
17-Oct-25	12:44:25	1'000	58.38	SE	20-Oct-25	15:05:51	571	58.82	SE
17-Oct-25	13:05:38	500	58.66	SE	20-Oct-25	15:05:51	1'000	58.82	SE
17-Oct-25	13:07:22	1'000	58.64	SE	20-Oct-25	15:19:10	1'000	58.74	SE
17-Oct-25	13:34:30	500	58.7	SE	20-Oct-25	15:19:10	1'000	58.74	SE
17-Oct-25	13:34:30	1'000	58.7	SE	20-Oct-25	15:27:27	548	58.72	SE
17-Oct-25	14:05:56	1'000	58.88	SE	20-Oct-25	15:29:21	1'000	58.7	SE
17-Oct-25	14:19:11	500	58.94	SE	20-Oct-25	15:30:54	1'000	58.68	SE
17-Oct-25	14:25:55	1'000	58.96	SE	20-Oct-25	15:37:45	1'000	58.72	SE
17-Oct-25	14:36:56	500	58.92	SE	20-Oct-25	15:41:57	1'000	58.7	SE
17-Oct-25	14:36:56	1'000	58.92	SE	20-Oct-25	15:46:15	1'000	58.6	SE
17-Oct-25	14:53:36	1'000	58.74	SE	20-Oct-25	15:46:16	1'000	58.6	SE
17-Oct-25	15:05:50	500	58.78	SE	20-Oct-25	15:52:09	1'000	58.68	SE
17-Oct-25	15:05:50	1'000	58.78	SE	20-Oct-25	16:00:42	1'000	58.68	SE
17-Oct-25	15:24:27	500	58.72	SE	20-Oct-25	16:03:41	1'000	58.74	SE
17-Oct-25	15:27:50	1'000	58.64	SE	20-Oct-25	16:07:33	833	58.72	SE
20-Oct-25	09:04:02	500	58.88	SE	20-Oct-25	16:10:57	1'000	58.72	SE
20-Oct-25	09:04:02	500	58.88	SE	20-Oct-25	16:14:40	1'000	58.7	SE
20-Oct-25	09:04:02	1'000	58.88	SE	20-Oct-25	16:18:35	790	58.72	SE
20-Oct-25	09:04:25	500	58.94	SE	20-Oct-25	16:34:23	618	58.76	SE
20-Oct-25	09:04:39	500	58.92	SE	20-Oct-25	16:35:47	618	58.76	SE
20-Oct-25	09:08:05	240	58.72	SE	20-Oct-25	16:35:56	1'000	58.76	SE
20-Oct-25	09:08:05	260	58.72	SE	20-Oct-25	16:36:06	1'000	58.76	SE
20-Oct-25	09:08:06	500	58.72	SE	20-Oct-25	16:36:08	1'000	58.76	SE
20-Oct-25	09:08:06	500	58.72	SE	20-Oct-25	16:40:53	1'000	58.76	SE
20-Oct-25	09:08:06	500	58.72	SE	21-Oct-25	09:05:12	204	58.86	SE
20-Oct-25	09:28:39	500	58.9	SE	21-Oct-25	09:05:12	1'000	58.86	SE
20-Oct-25	09:40:33	1'000	58.92	SE	21-Oct-25	09:05:12	796	58.86	SE
20-Oct-25	09:41:16	500	58.94	SE	21-Oct-25	09:13:17	787	58.78	SE
20-Oct-25	09:54:45	379	58.9	SE	21-Oct-25	09:19:49	1'000	58.74	SE
20-Oct-25	09:58:32	1'000	58.82	SE	21-Oct-25	09:29:49	794	58.7	SE
20-Oct-25	10:08:53	500	58.74	SE	21-Oct-25	09:29:49	1'000	58.7	SE
20-Oct-25	10:11:58	1'000	58.68	SE	21-Oct-25	09:46:27	848	58.6	SE
20-Oct-25	10:16:16	1'000	58.68	SE	21-Oct-25	09:51:57	1'000	58.6	SE
20-Oct-25	10:24:16	500	58.7	SE	21-Oct-25	10:06:52	1'000	58.5	SE
20-Oct-25	10:35:46	500	58.62	SE	21-Oct-25	10:06:52	1'000	58.5	SE
20-Oct-25	10:35:46	582	58.62	SE	21-Oct-25	10:20:00	1'000	58.38	SE
20-Oct-25 20-Oct-25	10:47:10 10:57:10	1'000 630	58.6 58.6	SE SE	21-Oct-25 21-Oct-25	10:30:09 10:48:07	1'000 566	58.34 58.4	SE SE
20-Oct-25	10:57:10	1'000	58.6	SE	21-Oct-25	10:54:44	1'000	58.36	SE
20-Oct-25	11:15:05	1'633	58.64	SE	21-Oct-25	11:00:24	566	58.32	SE
20-Oct-25	11:30:07	2'000	58.6	SE	21-Oct-25	11:12:39	566	58.36	SE
20-Oct-25	11:48:00	500	58.68	SE	21-Oct-25	11:19:56	1'000	58.24	SE
20-Oct-25	11:55:43	998	58.62	SE	21-Oct-25	11:30:15	566	58.24	SE
20-Oct-25	12:09:51	1'000	58.72	SE	21-Oct-25	11:40:17	635	58.26	SE
20-Oct-25	12:24:01	1'000	58.84	SE	21-Oct-25	11:47:39	1'000	58.32	SE
20-Oct-25	12:24:01	1'000	58.84	SE	21-Oct-25	12:04:44	1'000	58.28	SE
20-Oct-25	13:00:20	938	58.82	SE	21-Oct-25	12:04:44	1'000	58.28	SE
20-Oct-25	13:12:17	662	58.76	SE	21-Oct-25	12:33:29	1'000	58.32	SE
20-Oct-25	13:25:09	1'000	58.8	SE	21-Oct-25	12:43:15	672	58.32	SE
20-Oct-25	13:38:34	67	58.78	SE	21-Oct-25	12:43:15	1'000	58.32	SE
20-Oct-25	13:38:34	933	58.78	SE	21-Oct-25	13:09:37	662	58.4	SE
20-Oct-25	13:38:34	1'000	58.78	SE	21-Oct-25	13:24:11	652	58.44	SE
20-Oct-25	13:44:15	933	58.78	SE	21-Oct-25	13:37:08	1'000	58.5	SE
20-Oct-25	14:19:34	943	58.78	SE	21-Oct-25	13:54:01	655	58.46	SE
20-Oct-25	14:19:34	1'000	58.78	SE	21-Oct-25	13:54:01	1'000	58.46	SE

ABB SHARE BUYBACKS 3/4

21-Oct-25	14:15:37	760	58.36	SE	22-Oct-25	13:42:30	1'000	58.88	SE
21-Oct-25	14:29:35	638	58.36	SE	22-Oct-25	13:58:35	625	58.86	SE
21-Oct-25	14:31:23	917	58.36	SE	22-Oct-25	13:58:35	1'000	58.86	SE
21-Oct-25	14:41:35	861	58.36	SE	22-Oct-25	14:23:43	1'000	58.92	SE
21-Oct-25	14:47:27	1'000	58.34	SE	22-Oct-25	14:23:43	508	58.92	SE
21-Oct-25	14:57:24	1'000	58.22	SE	22-Oct-25	14:37:17	1'000	58.82	SE
21-Oct-25	15:09:51	1'000	58.16	SE	22-Oct-25	14:49:05	1'000	58.74	SE
21-Oct-25	15:18:20	659	58.26	SE	22-Oct-25	14:50:04	1'000	58.74	SE
21-Oct-25	15:25:49	1'000	58.32	SE	22-Oct-25	15:49:19	800	58.56	SE
21-Oct-25	15:27:05	1'000	58.28	SE	22-Oct-25	15:58:04	1'000	58.3	SE
21-Oct-25	15:32:06	1'000	58.22	SE	22-Oct-25	15:58:04	1'000	58.3	SE
21-Oct-25	15:32:06	1'000	58.22	SE	22-Oct-25	16:00:31	1'000	58.28	SE
21-Oct-25	15:36:39	867	58.22	SE	22-Oct-25	16:00:31	1'000	58.28	SE
21-Oct-25	15:40:37	1'000	58.24	SE	22-Oct-25	16:05:03	1'000	58.2	SE
21-Oct-25	15:40:37	858	58.24	SE	22-Oct-25	16:05:03	1'000	58.2	SE
21-Oct-25	15:48:21	531	58.12	SE	22-Oct-25	16:12:00	508	58	SE
21-Oct-25	15:49:45	531	58.18	SE	22-Oct-25	16:13:21	1'000	58	SE
21-Oct-25	15:49:45	1'000	58.18	SE	22-Oct-25	16:13:21	1'000	58	SE
21-Oct-25	15:57:08	554	58.16	SE	22-Oct-25	16:19:32	508	57.92	SE
21-Oct-25	15:59:26	870	58.16	SE	22-Oct-25	16:19:32	1'000	57.92	SE
21-Oct-25	16:02:13	1'000	58.1	SE	22-Oct-25	16:24:07	1'000	57.76	SE
21-Oct-25	16:02:13	1'000	58.1	SE	22-Oct-25	16:25:02	492	57.74	SE
21-Oct-25	16:09:57	1'000	58.06	SE	22-Oct-25	16:25:02	508	57.74	SE
21-Oct-25	16:11:03	1'000	58.06	SE	22-Oct-25	16:25:02	1'000	57.74	SE
21-Oct-25	16:17:00	1'000	58.14	SE	22-Oct-25	16:32:09	508	57.74	SE
21-Oct-25	16:17:51	1'000	58.14	SE	22-Oct-25	16:35:17	1'000	57.78	SE
21-Oct-25	16:25:15	1'000	58.18	SE	22-Oct-25	16:37:04	1'000	57.78	SE
21-Oct-25	16:30:16	1'000	58.06	SE	22-Oct-25	16:41:33	1'000	57.78	SE
21-Oct-25	16:35:45	1'000	58.08	SE	22-Oct-25	16:41:33	508	57.78	SE
21-Oct-25	16:39:25	991	58.18	SE	22-Oct-25	16:46:05	508	57.66	SE
21-Oct-25	16:39:25	1'000	58.18	SE	22-Oct-25	16:48:23	1'000	57.6	SE
21-Oct-25	16:49:27	1'000	58.26	SE	22-Oct-25	16:51:17	1'000	57.7	SE
21-Oct-25	16:51:50	994	58.34	SE	22-Oct-25	16:54:44	533	57.64	SE
22-Oct-25	09:03:22	1'000	58.4	SE
22-Oct-25	09:03:28	1'000	58.42	SE
22-Oct-25	09:10:22	1'000	58.46	SE
22-Oct-25	09:10:22	1'000	58.46	SE
22-Oct-25	09:29:25	558	58.42	SE
22-Oct-25	09:29:25	1'000	58.42	SE
22-Oct-25	09:45:16	1'000	58.56	SE
22-Oct-25	09:45:17	1'000	58.56	SE
22-Oct-25	10:06:58	1'000	58.52	SE
22-Oct-25	10:09:40	1'000	58.52	SE
22-Oct-25	10:29:23	753	58.48	SE
22-Oct-25	10:37:28	1'000	58.46	SE
22-Oct-25	10:42:47	801	58.38	SE
22-Oct-25	10:59:09	537	58.36	SE
22-Oct-25	11:05:24	723	58.34	SE
22-Oct-25	11:05:24	1'000	58.34	SE
22-Oct-25	11:25:49	1'000	58.32	SE
22-Oct-25	11:39:34	1'000	58.32	SE
22-Oct-25	11:54:28	1'000	58.36	SE
22-Oct-25	11:56:22	137	58.5	SE
22-Oct-25	11:56:22	863	58.5	SE
22-Oct-25	11:56:22	1'000	58.5	SE
22-Oct-25	12:09:06	863	58.5	SE
22-Oct-25	12:31:53	1'000	59	SE
22-Oct-25	13:07:34	759	58.82	SE

ABB SHARE BUYBACKS 4/4

22-Oct-25 13:10:39 1'000 58.74 SE