ABB Ltd

Transaction in Own Shares • Jun 5, 2025

ZURICH, SWITZERLAND, JUNE 5, 2025

ABB share buybacks

May 29, 2025 – June 4, 2025

During the period May 29, 2025, to June 4, 2025, ABB repurchased a total of 483,908 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)
30-May-25	104'000	46.9596	4'883'801.10
02-Jun-25	148'000	46.2293	6'841'930.78
03-Jun-25	86'439	46.3001	4'002'132.10
04-Jun-25	145'469	47.2470	6'872'975.73

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 June 4, 2025, is 9,788,267 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	2025-05-30	15:50:00	430	46.52	SE
2025-05-30	09:11:07	1'000	46.85	SE	2025-05-30	15:50:00	570	46.52	SE
2025-05-30	09:13:39	2'000	46.95	SE	2025-05-30	16:00:03	683	46.58	SE
2025-05-30	09:23:06	1'000	47.08	SE	2025-05-30	16:00:03	1'317	46.58	SE
2025-05-30	09:23:06	1'000	47.08	SE	2025-05-30	16:01:34	683	46.58	SE
2025-05-30	09:32:41	2'000	47.19	SE	2025-05-30	16:03:20	2'000	46.60	SE
2025-05-30	09:42:20	2'000	47.36	SE	2025-05-30	16:06:09	1'000	46.60	SE
2025-05-30	09:55:22	1'000	47.43	SE	2025-05-30	16:06:09	1'000	46.60	SE
2025-05-30	09:59:52	2'000	47.39	SE	2025-05-30	16:09:09	1'000	46.60	SE
2025-05-30	10:09:12	2'000	47.51	SE	2025-05-30	16:10:43	1'000	46.63	SE
2025-05-30	10:21:06	2'000	47.51	SE	2025-05-30	16:12:26	1'000	46.63	SE
2025-05-30	10:32:28	2'000	47.36	SE	2025-05-30	16:13:57	1'000	46.66	SE
2025-05-30	10:44:05	1'000	47.37	SE	2025-05-30	16:15:25	2'000	46.61	SE
2025-05-30	10:50:05	1'000	47.41	SE	2025-05-30	16:19:04	2'000	46.60	SE
2025-05-30	10:55:17	1'000	47.35	SE	2025-05-30	16:22:33	1'000	46.62	SE
2025-05-30	10:55:17	1'000	47.35	SE	2025-05-30	16:24:34	1'000	46.70	SE
2025-05-30	11:02:42	1'000	47.35	SE	2025-05-30	16:26:06	2'000	46.72	SE
2025-05-30	11:13:08	2'000	47.29	SE	2025-05-30	16:29:52	460	46.74	SE
2025-05-30	11:25:18	2'000	47.32	SE	2025-05-30	16:30:24	2'000	46.74	SE
2025-05-30	11:37:38	2'000	47.36	SE	2025-05-30	16:33:50	2'000	46.74	SE
2025-05-30	11:50:35	1'000	47.30	SE	2025-05-30	16:37:13	2'000	46.76	SE
2025-05-30	11:57:40	2'000	47.27	SE	2025-05-30	16:41:03	2'000	46.72	SE
2025-05-30	11:57:40	1'000	47.29	SE	2025-05-30	16:44:53	2'000	46.73	SE
2025-05-30	12:17:17	2'000	47.25	SE	2025-05-30	16:48:22	1'000	46.66	SE
2025-05-30	12:33:06	2'000	47.24	SE	2025-05-30	16:50:12	2'000	46.61	SE
2025-05-30	12:53:48	2'000	47.16	SE	2025-05-30	16:54:23	430	46.56	SE
2025-05-30	13:10:50	2'000	47.19	SE	2025-05-30	16:54:44	1'000	46.55	SE
2025-05-30	13:30:11	1'000	47.09	SE	2025-05-30	16:57:10	1'314	46.58	SE
2025-05-30	13:38:09	2'000	47.10	SE	2025-06-02	09:04:35	1'000	46.48	SE
2025-05-30	13:54:40	2'000	47.07	SE	2025-06-02	09:06:00	2'000	46.48	SE
2025-05-30	14:09:18	430	47.00	SE	2025-06-02	09:11:45	1'000	46.12	SE
2025-05-30	14:09:19	1'000	46.98	SE	2025-06-02	09:11:45	1'000	46.12	SE
2025-05-30	14:09:19	1'000	46.98	SE	2025-06-02	09:18:14	1'000	46.09	SE
2025-05-30	14:26:51	1'000	46.85	SE	2025-06-02	09:20:36	1'000	45.95	SE
2025-05-30	14:26:51	1'000	46.85	SE	2025-06-02	09:24:29	2'000	45.95	SE
2025-05-30	14:32:04	1'000	46.85	SE	2025-06-02	09:31:52	2'000	45.88	SE
2025-05-30	14:40:52	1'000	46.98	SE	2025-06-02	09:35:07	1'000	45.88	SE
2025-05-30	14:46:11	2'000	46.96	SE	2025-06-02	09:43:15	2'000	45.97	SE
2025-05-30	14:57:11	1'000	46.88	SE	2025-06-02	09:50:52	2'000	46.05	SE
2025-05-30	14:57:11	1'000	46.88	SE	2025-06-02	09:59:26	246	46.01	SE
2025-05-30	15:07:40	2'000	46.88	SE	2025-06-02	10:00:23	2'000	46.03	SE
2025-05-30	15:14:26	2'000	46.90	SE	2025-06-02	10:06:15	2'000	46.11	SE
2025-05-30	15:23:29	1'000	46.85	SE	2025-06-02	10:14:06	2'000	46.22	SE
2025-05-30	15:29:09	430	46.75	SE	2025-06-02	10:22:45	2'000	46.12	SE
2025-05-30	15:29:09	1'000	46.75	SE	2025-06-02	10:30:20	2'000	46.27	SE
2025-05-30	15:34:23	1'000	46.68	SE	2025-06-02	10:37:49	2'000	46.34	SE
2025-05-30	15:37:20	1'000	46.64	SE	2025-06-02	10:46:41	2'000	46.39	SE
2025-05-30	15:41:36	2'000	46.71	SE	2025-06-02	10:54:32	2'000	46.33	SE
2025-05-30	15:48:46	253	46.55	SE	2025-06-02	11:02:41	2'000	46.35	SE
2025-05-30	15:50:00	1'000	46.52	SE	2025-06-02	11:11:42	2'000	46.32	SE

2025-06-02	11:20:19	2'000	46.35	SE	2025-06-02	16:31:17	2'000	46.24	SE
2025-06-02	11:28:01	2'000	46.33	SE	2025-06-02	16:40:04	2'000	46.24	SE
2025-06-02	11:37:08	2'000	46.26	SE	2025-06-02	16:40:14	2'000	46.24	SE
2025-06-02	11:46:45	2'000	46.15	SE	2025-06-02	16:40:41	2'000	46.24	SE
2025-06-02	11:55:44	2'000	46.17	SE	2025-06-02	16:43:02	2'000	46.24	SE
2025-06-02	12:03:34	2'000	46.10	SE	2025-06-02	16:47:03	618	46.23	SE
2025-06-02	12:15:03	790	46.23	SE	2025-06-02	16:47:14	618	46.23	SE
2025-06-02	12:15:03	210	46.23	SE	2025-06-02	16:48:00	2'000	46.22	SE
2025-06-02	12:15:03	1'000	46.23	SE	2025-06-02	16:50:47	2'000	46.21	SE
2025-06-02	12:27:02	335	46.19	SE	2025-06-02	16:54:16	2'000	46.19	SE
2025-06-02	12:30:05	1'000	46.22	SE	2025-06-02	16:57:06	1'514	46.20	SE
2025-06-02	12:30:05	1'000	46.22	SE	2025-06-03	09:06:34	1'000	46.59	SE
2025-06-02	12:42:16	2'000	46.22	SE	2025-06-03	09:06:34	1'000	46.59	SE
2025-06-02	12:55:26	2'000	46.19	SE	2025-06-03	09:12:24	1'000	46.45	SE
2025-06-02	13:07:59	2'000	46.25	SE	2025-06-03	09:15:30	1'000	46.50	SE
2025-06-02	13:21:15	2'000	46.36	SE	2025-06-03	09:18:27	1'000	46.41	SE
2025-06-02	13:33:41	2'000	46.44	SE	2025-06-03	09:21:37	2'000	46.32	SE
2025-06-02	13:45:55	2'000	46.39	SE	2025-06-03	09:28:56	2'000	46.25	SE
2025-06-02	13:57:19	2'000	46.35	SE	2025-06-03	09:35:44	2'000	46.31	SE
2025-06-02	14:08:50	2'000	46.45	SE	2025-06-03	09:43:40	2'000	46.18	SE
2025-06-02	14:18:33	2'000	46.42	SE	2025-06-03	09:52:12	2'000	46.19	SE
2025-06-02	14:27:54	2'000	46.36	SE	2025-06-03	10:00:21	2'000	46.15	SE
2025-06-02	14:34:12	2'000	46.32	SE	2025-06-03	10:07:46	2'000	46.25	SE
2025-06-02	14:41:17	1'000	46.39	SE	2025-06-03	10:16:03	2'000	46.20	SE
2025-06-02	14:44:21	2'000	46.38	SE	2025-06-03	10:24:21	2'000	46.19	SE
2025-06-02	14:52:05	2'000	46.28	SE	2025-06-03	10:32:28	2'000	46.20	SE
2025-06-02	15:00:01	2'000	46.28	SE	2025-06-03	10:40:35	2'000	46.27	SE
2025-06-02	15:07:51	2'000	46.29	SE	2025-06-03	10:49:18	2'000	46.21	SE
2025-06-02	15:15:12	2'000	46.36	SE	2025-06-03	10:57:43	2'000	46.32	SE
2025-06-02	15:23:45	2'000	46.36	SE	2025-06-03	11:06:58	2'000	46.25	SE
2025-06-02	15:30:23	2'000	46.43	SE	2025-06-03	11:15:25	2'000	46.25	SE
2025-06-02	15:46:45	2'000	46.24	SE	2025-06-03	11:25:04	2'000	46.20	SE
2025-06-02	15:46:45	2'000	46.24	SE	2025-06-03	11:35:21	1'000	46.25	SE
2025-06-02	15:46:46	2'000	46.24	SE	2025-06-03	11:35:21	1'000	46.25	SE
2025-06-02	15:46:46	2'000	46.24	SE	2025-06-03	11:43:33	2'000	46.25	SE
2025-06-02	15:47:16	2'000	46.18	SE	2025-06-03	11:52:46	2'000	46.25	SE
2025-06-02	15:50:10	2'000	46.13	SE	2025-06-03	12:02:49	2'000	46.25	SE
2025-06-02	15:53:01	2'000	46.09	SE	2025-06-03	12:11:22	2'000	46.20	SE
2025-06-02	15:56:17	2'000	46.20	SE	2025-06-03	12:24:38	2'000	46.18	SE
2025-06-02	15:59:30	2'000	46.15	SE	2025-06-03	12:38:40	2'000	46.22	SE
2025-06-02	16:02:03	2'000	46.08	SE	2025-06-03	12:51:43	2'000	46.28	SE
2025-06-02	16:04:20	2'000	46.15	SE	2025-06-03	13:05:11	2'000	46.27	SE
2025-06-02	16:06:36	2'000	46.13	SE	2025-06-03	13:19:30	2'000	46.23	SE
2025-06-02	16:09:07	2'000	46.15	SE	2025-06-03	13:33:00	2'000	46.23	SE
2025-06-02	16:11:42	1'000	46.16	SE	2025-06-03	13:39:38	572	46.23	SE
2025-06-02	16:11:42	1'000	46.16	SE	2025-06-03	13:48:46	2'000	46.30	SE
2025-06-02	16:14:31	1'000	46.16	SE	2025-06-03	14:01:26	2'000	46.29	SE
2025-06-02	16:15:41	1'000	46.18	SE	2025-06-03	14:11:30	2'000	46.27	SE
2025-06-02	16:15:41	1'000	46.18	SE	2025-06-03	14:22:15	2'000	46.28	SE
2025-06-02	16:18:32	2'000	46.17	SE	2025-06-03	14:31:15	2'000	46.32	SE
2025-06-02	16:21:29	2'000	46.20	SE	2025-06-03	14:36:54	2'000	46.40	SE
2025-06-02	16:30:32	409	46.23	SE	2025-06-03	14:44:41	2'000	46.42	SE
2025-06-02	16:30:34	683	46.24	SE	2025-06-03	14:50:14	397	46.41	SE
2025-06-02	16:30:34	1'302	46.23	SE	2025-06-03	14:54:11	2'000	46.47	SE
2025-06-02	16:30:34	698	46.23	SE	2025-06-03	15:02:42	2'000	46.50	SE
2025-06-02	16:30:34	683	46.23	SE	2025-06-03	15:10:56	1'000	46.49	SE
2025-06-02	16:30:34	210	46.23	SE	2025-06-03	15:14:29	571	46.45	SE
2025-06-02	16:30:35	618	46.24	SE	2025-06-03	15:17:15	328	46.47	SE
2025-06-02	16:30:35	66	46.24	SE	2025-06-03	15:19:17	1'000	46.49	SE

2025-06-03	15:22:47	571	46.46	SE	2025-06-04	13:30:42	2'000	47.34	SE
2025-06-03	15:22:47	1'000	46.46	SE	2025-06-04	13:42:00	2'000	47.39	SE
2025-06-03	15:29:22	1'000	46.45	SE	2025-06-04	13:50:24	525	47.42	SE
2025-06-03	15:31:49	597	46.41	SE	2025-06-04	13:57:41	1'000	47.41	SE
2025-06-03	15:31:49	403	46.41	SE	2025-06-04	14:02:50	2'000	47.43	SE
2025-06-03	15:31:49	1'000	46.41	SE	2025-06-04	14:13:12	2'000	47.39	SE
2025-06-03	15:36:46	1'000	46.52	SE	2025-06-04	14:22:16	519	47.21	SE
2025-06-04	09:05:59	1'000	46.93	SE	2025-06-04	14:25:18	2'000	47.24	SE
2025-06-04	09:05:59	1'000	46.93	SE	2025-06-04	14:32:14	2'000	47.27	SE
2025-06-04	09:10:08	2'000	46.77	SE	2025-06-04	14:39:16	1'000	47.30	SE
2025-06-04	09:16:54	2'000	46.75	SE	2025-06-04	14:39:16	36	47.30	SE
2025-06-04	09:23:26	2'000	46.85	SE	2025-06-04	14:42:02	2'000	47.28	SE
2025-06-04	09:30:46	2'000	46.79	SE	2025-06-04	14:46:37	179	47.27	SE
2025-06-04	09:36:42	2'000	46.77	SE	2025-06-04	14:49:48	519	47.32	SE
2025-06-04	09:45:22	2'000	46.81	SE	2025-06-04	14:52:11	2'000	47.32	SE
2025-06-04	09:52:57	2'000	46.89	SE	2025-06-04	15:01:07	1'000	47.32	SE
2025-06-04	10:01:18	125	47.10	SE	2025-06-04	15:01:07	1'000	47.32	SE
2025-06-04	10:01:18	215	47.12	SE	2025-06-04	15:08:03	301	47.29	SE
2025-06-04	10:02:02	2'000	47.14	SE	2025-06-04	15:09:28	1'000	47.28	SE
2025-06-04	10:04:55	215	47.15	SE	2025-06-04	15:09:28	519	47.28	SE
2025-06-04	10:09:28	2'000	47.24	SE	2025-06-04	15:15:27	1'000	47.32	SE
2025-06-04	10:17:49	2'000	47.25	SE	2025-06-04	15:18:49	86	47.24	SE
2025-06-04	10:25:23	666	47.25	SE	2025-06-04	15:19:31	2'000	47.24	SE
2025-06-04	10:27:54	2'000	47.26	SE	2025-06-04	15:27:31	1'000	47.20	SE
2025-06-04	10:35:31	1'785	47.27	SE	2025-06-04	15:27:31	304	47.20	SE
2025-06-04	10:35:31	215	47.27	SE	2025-06-04	15:31:08	1'000	47.16	SE
2025-06-04	10:41:27	215	47.27	SE	2025-06-04	15:33:00	297	47.17	SE
2025-06-04	10:44:40	2'000	47.31	SE	2025-06-04	15:34:09	634	47.19	SE
2025-06-04	10:52:22	2'000	47.32	SE	2025-06-04	15:35:32	1'000	47.24	SE
2025-06-04	11:01:28	265	47.32	SE	2025-06-04	15:37:42	1'000	47.30	SE
2025-06-04	11:02:11	1'654	47.32	SE	2025-06-04	16:04:43	1'000	47.23	SE
2025-06-04	11:02:11	346	47.32	SE	2025-06-04	16:04:43	1'000	47.23	SE
2025-06-04	11:11:31	2'000	47.39	SE	2025-06-04	16:04:44	1'000	47.23	SE
2025-06-04	11:16:28	520	47.41	SE	2025-06-04	16:04:44	1'000	47.23	SE
2025-06-04	11:21:35	317	47.49	SE	2025-06-04	16:04:44	1'000	47.23	SE
2025-06-04	11:23:22	1'481	47.50	SE	2025-06-04	16:04:45	1'000	47.23	SE
2025-06-04	11:23:22	519	47.50	SE	2025-06-04	16:04:46	1'000	47.23	SE
2025-06-04	11:30:41	1'785	47.49	SE	2025-06-04	16:04:46	1'000	47.23	SE
2025-06-04	11:30:41	215	47.49	SE	2025-06-04	16:04:47	1'000	47.23	SE
2025-06-04	11:37:58	215	47.49	SE	2025-06-04	16:04:49	1'000	47.23	SE
2025-06-04	11:41:45	1'187	47.56	SE	2025-06-04	16:04:51	1'000	47.23	SE
2025-06-04	11:41:45	598	47.56	SE	2025-06-04	16:04:54	1'000	47.23	SE
2025-06-04	11:41:45	215	47.56	SE	2025-06-04	16:05:04	1'000	47.23	SE
2025-06-04	11:50:13	215	47.45	SE	2025-06-04	16:05:05	1'000	47.23	SE
2025-06-04	11:51:20	666	47.45	SE	2025-06-04	16:05:06	1'000	47.23	SE
2025-06-04	11:51:20	666	47.51	SE	2025-06-04	16:05:06	1'000	47.23	SE
2025-06-04	11:57:06	2'000	47.42	SE	2025-06-04	16:05:47	2'000	47.22	SE
2025-06-04	12:01:16	215	47.40	SE	2025-06-04	16:08:11	1'000	47.16	SE
2025-06-04	12:06:18	1'481	47.50	SE	2025-06-04	16:09:26	2'000	47.21	SE
2025-06-04	12:06:18	519	47.50	SE	2025-06-04	16:10:39	10	47.18	SE
2025-06-04	12:17:22	2'000	47.51	SE	2025-06-04	16:22:20	1'000	47.23	SE
2025-06-04	12:27:41	264	47.51	SE	2025-06-04	16:22:20	1'000	47.23	SE
2025-06-04	12:30:13	215	47.50	SE	2025-06-04	16:22:20	1'000	47.23	SE
2025-06-04	12:33:40	880	47.50	SE	2025-06-04	16:22:20	1'000	47.23	SE
2025-06-04	12:39:32	1'000	47.55	SE	2025-06-04	16:22:20	2'000	47.22	SE
2025-06-04	12:39:32	1'000	47.54	SE	2025-06-04	16:22:21	1'000	47.23	SE
2025-06-04	12:39:32	2'000	47.53	SE	2025-06-04	16:22:21	1'000	47.23	SE
2025-06-04	13:04:45	2'000	47.45	SE	2025-06-04	16:41:13	1'000	47.23	SE
2025-06-04	13:16:27	2'000	47.34	SE	2025-06-04	16:41:13	1'000	47.22	SE

2025-06-04	16:41:13	2'000	47.22	SE
2025-06-04	16:41:13	1'000	47.22	SE
2025-06-04	16:41:13	1'000	47.22	SE
2025-06-04	16:41:14	933	47.23	SE
2025-06-04	16:41:14	67	47.23	SE
2025-06-04	16:41:14	1'000	47.23	SE
2025-06-04	16:41:14	1'000	47.23	SE
2025-06-04	16:41:14	1'000	47.23	SE
2025-06-04	16:41:15	1'000	47.23	SE
2025-06-04	16:41:15	1'000	47.23	SE
2025-06-04	16:41:15	1'000	47.23	SE
2025-06-04	16:41:15	1'000	47.23	SE
2025-06-04	16:42:30	666	47.23	SE
2025-06-04	16:43:33	1'000	47.22	SE
2025-06-04	16:51:09	1'000	47.23	SE
2025-06-04	16:51:09	1'000	47.23	SE
2025-06-04	16:51:09	2'000	47.22	SE
2025-06-04	16:51:11	1'000	47.23	SE
2025-06-04	16:52:37	2'000	47.22	SE
2025-06-04	16:57:29	2'000	47.22	SE