ABB Ltd

Transaction in Own Shares • Apr 3, 2025

ZURICH, SWITZERLAND, APRIL 3, 2025

ABB share buybacks

March 27, 2025 – April 2, 2025

During the period March 27, 2025, to April 2, 2025, ABB repurchased a total of 606,540 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)
27-Mar-25	67'973	48.0333	3'264'970.29
28-Mar-25	136'000	47.3854	6'444'419.98
31-Mar-25	150'000	45.2704	6'790'560.00
01-Apr-25	128'567	45.6361	5'867'290.17
02-Apr-25	124'000	45.4431	5'634'940.06

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 April 2, 2025, is 4,138,876 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	2025-03-27	14:24:09	406	47.99	SE
2025-03-27	09:08:21	2,000	47.83	SE	2025-03-27	14:28:50	2,000	47.92	SE
2025-03-27	09:16:58	1,799	47.91	SE	2025-03-27	14:36:52	2,000	47.78	SE
2025-03-27	09:16:58	201	47.91	SE	2025-03-27	14:47:04	2,000	47.71	SE
2025-03-27	09:19:43	201	47.91	SE	2025-03-27	14:58:08	201	47.85	SE
2025-03-27	09:26:43	2,000	47.94	SE	2025-03-27	14:59:52	1,799	47.85	SE
2025-03-27	09:30:15	130	47.95	SE	2025-03-27	15:07:26	2,000	47.85	SE
2025-03-27	09:38:05	1,708	48.07	SE	2025-03-27 2025-03-27	15:19:27 15:19:27	1,799 201	47.91 47.88	SE SE
2025-03-27	09:38:05	292	48.07	SE
2025-03-27	09:47:24	1,226	47.87	SE	2025-03-27	15:27:49	2,000	47.92	SE
2025-03-27	09:47:24	543	47.87	SE	2025-03-27	15:30:59	201	47.96	SE
2025-03-27	09:47:24	231	47.87	SE	2025-03-27	15:35:56	2,000	48.12	SE
2025-03-27	09:53:29	774	47.87	SE	2025-03-28	09:07:01	2,000	47.78	SE
2025-03-27	10:01:51	2,000	47.97	SE	2025-03-28	09:12:08	2,000	47.62	SE
2025-03-27	10:09:24	2,000	48	SE	2025-03-28	09:20:22	2,000	47.80	SE
2025-03-27	10:21:29	1,457	47.91	SE	2025-03-28	09:27:51	2,000	47.71	SE
2025-03-27	10:21:29	543	47.91	SE	2025-03-28	09:35:19	2,000	47.66	SE
2025-03-27	10:32:39	2,000	47.95	SE	2025-03-28	09:42:52	2,000	47.71	SE
2025-03-27	10:43:39	2,000	47.85	SE	2025-03-28	09:52:21	2,000	47.80	SE
2025-03-27	10:50:56	975	47.94	SE	2025-03-28	10:00:12	2,000	47.73	SE
2025-03-27	10:59:20	542	48.22	SE	2025-03-28	10:08:40	2,000	47.81	SE
2025-03-27	11:03:21	542	48.25	SE	2025-03-28	10:17:24	2,000	47.87	SE
2025-03-27	11:03:40	543	48.24	SE	2025-03-28	10:25:15	2,000	47.84	SE
2025-03-27	11:08:44	2,000	48.25	SE	2025-03-28	10:34:11	2,000	47.70	SE
2025-03-27	11:20:04	2,000	48.17	SE	2025-03-28	10:43:15	2,000	47.68	SE
2025-03-27	11:31:15	1,771	48.22	SE	2025-03-28	10:52:18	2,000	47.53	SE
2025-03-27	11:31:15	229	48.22	SE	2025-03-28	11:02:07	2,000	47.56	SE
2025-03-27	11:44:24	2,000	48.27	SE	2025-03-28	11:12:17	2,000	47.47	SE
2025-03-27	11:56:29	2,000	48.25	SE	2025-03-28	11:20:54	2,000	47.54	SE
2025-03-27	12:05:30	543	48.29	SE	2025-03-28	11:29:58	2,000	47.56	SE
2025-03-27	12:10:33	543	48.28	SE	2025-03-28	11:39:02	2,000	47.62	SE
2025-03-27	12:10:33	174	48.28	SE	2025-03-28	11:47:48	2,000	47.65	SE
2025-03-27	12:14:15	543	48.15	SE	2025-03-28	11:59:02	2,000	47.65	SE
2025-03-27	12:20:31	543	48.25	SE	2025-03-28	12:06:36	2,000	47.60	SE
2025-03-27	12:20:31	543	48.25	SE	2025-03-28	12:21:16	2,000	47.58	SE
2025-03-27	12:20:31	201	48.25	SE	2025-03-28	12:32:38	2,000	47.52	SE
2025-03-27	12:30:23	38	48.23	SE	2025-03-28	12:47:09	2,000	47.55	SE
2025-03-27	12:30:23	542	48.23	SE	2025-03-28	13:02:03	2,000	47.49	SE
2025-03-27	12:37:22	2,000	48.28	SE	2025-03-28	13:15:11	2,000	47.36	SE
2025-03-27	12:56:49	2,000	48.29	SE	2025-03-28	13:30:27	2,000	47.3	SE
2025-03-27	13:10:59	542	48.19	SE	2025-03-28	13:41:20	2,000	47.14	SE
2025-03-27	13:15:23	2,000	48.15	SE	2025-03-28	13:56:27	2,000	47.32	SE
2025-03-27	13:31:38	2,000	48.19	SE	2025-03-28	14:07:54	2,000	47.19	SE
2025-03-27	13:47:33	1,458	48.12	SE	2025-03-28	14:19:44	2,000	47.44	SE
2025-03-27	13:47:33	542	48.12	SE	2025-03-28	14:26:56	2,000	47.33	SE
2025-03-27	14:05:40	542	48.03	SE	2025-03-28	14:36:27	2,000	47.37	SE
2025-03-27	14:06:32	542	48.03	SE	2025-03-28	14:43:18	2,000	47.43	SE
2025-03-27	14:09:22	1,637	47.98	SE	2025-03-28	14:51:49	2,000	47.41	SE
2025-03-27	14:09:22	363	47.98	SE	2025-03-28	15:00:33	2,000	47.32	SE
2025-03-27	14:24:07	363	47.98	SE	2025-03-28	15:08:14	2,000	47.19	SE

ABB SHARE BUYBACKS 2/4

2025-03-28	15:17:10	2,000	47.19	SE	2025-03-31	13:26:13	2,000	45.19	SE
2025-03-28	15:27:10	2,000	47.23	SE	2025-03-31	13:35:39	2,000	45.08	SE
2025-03-28	15:32:10	2,000	47.21	SE	2025-03-31	13:49:21	2,000	45.28	SE
2025-03-28	15:37:04	2,000	47.02	SE	2025-03-31	13:58:56	2,000	45.18	SE
2025-03-28	15:45:16	2,000	47.08	SE	2025-03-31	14:10:52	2,000	45.12	SE
2025-03-28	15:46:55	2,000	47.09	SE	2025-03-31	14:21:03	2,000	45.04	SE
2025-03-28	15:51:05	2,000	47.18	SE	2025-03-31	14:30:39	2,000	45.1	SE
2025-03-28	15:53:28	2,000	47.2	SE	2025-03-31	14:35:09	2,000	45.09	SE
2025-03-28	15:56:29	2,000	47.09	SE	2025-03-31	14:43:09	2,000	45.16	SE
2025-03-28	15:59:43	2,000	47.13	SE	2025-03-31	14:49:49	2,000	45.11	SE
2025-03-28	16:01:56	2,000	47.02	SE	2025-03-31	14:59:10	2,000	45.21	SE
2025-03-28	16:04:10	2,000	47.04	SE	2025-03-31	15:05:37	2,000	45.28	SE
2025-03-28	16:06:08	2,000	47.03	SE	2025-03-31	15:13:48	2,000	45.33	SE
2025-03-28	16:10:02	2,000	47.06	SE	2025-03-31	15:22:34	2,000	45.4	SE
2025-03-28	16:11:20	2,000	47.08	SE	2025-03-31	15:29:33	2,000	45.35	SE
2025-03-28	16:14:40	2,000	47.12	SE	2025-03-31	15:33:14	2,000	45.29	SE
2025-03-28	16:17:00	2,000	47.19	SE	2025-03-31	15:37:31	2,000	45.37	SE
2025-03-28	16:20:00	2,000	47.2	SE	2025-03-31	15:43:42	2,000	45.21	SE
2025-03-28	16:22:35	2,000	47.16	SE	2025-03-31	15:46:39	2,000	45.22	SE
2025-03-28	16:25:39	2,000	47.17	SE	2025-03-31	15:49:15	2,000	45.19	SE
2025-03-28	16:28:39	2,000	47.25	SE	2025-03-31	15:52:01	2,000	45.24	SE
2025-03-28	16:31:23	2,000	47.28	SE	2025-03-31	15:54:55	2,000	45.3	SE
2025-03-28	16:34:12	2,000	47.3	SE	2025-03-31	15:57:51	2,000	45.3	SE
2025-03-28	16:37:02	2,000	47.32	SE	2025-03-31	16:12:26	2,000	45.29	SE
2025-03-28	16:40:26	2,000	47.33	SE	2025-03-31	16:12:26	2,000	45.29	SE
2025-03-28	16:45:39	2,000	47.30	SE	2025-03-31	16:12:26	2,000	45.27	SE
2025-03-28	16:48:08	2,000	47.27	SE	2025-03-31	16:12:27	2,000	45.3	SE
2025-03-28	16:49:03	2,000	47.28	SE	2025-03-31	16:12:28	2,000	45.31	SE
2025-03-28	16:52:24	2,000	47.28	SE	2025-03-31	16:12:29	2,000	45.31	SE
2025-03-28	16:55:49	2,000	47.28	SE	2025-03-31	16:14:11	2,000	45.28	SE
2025-03-31	09:05:37	2,000	45.23	SE	2025-03-31	16:16:55	2,000	45.28	SE
2025-03-31	09:11:52	2,000	45.48	SE	2025-03-31	16:20:37	2,000	45.27	SE
2025-03-31	09:17:23	2,000	45.41	SE	2025-03-31	16:21:29	2,000	45.24	SE
2025-03-31	09:25:16	2,000	45.5	SE	2025-03-31	16:25:00	2,000	45.14	SE
2025-03-31	09:31:24	2,000	45.42	SE	2025-03-31	16:28:54	2,000	45.13	SE
2025-03-31	09:38:38	2,000	45.51	SE	2025-03-31	16:29:52	2,000	45.09	SE
2025-03-31	09:45:46	2,000	45.46	SE	2025-03-31	16:33:18	2,000	45.28	SE
2025-03-31	09:54:38	2,000	45.52	SE	2025-03-31	16:37:26	2,000	45.27	SE
2025-03-31	10:02:21	2,000	45.52	SE	2025-03-31	16:38:31	2,000	45.27	SE
2025-03-31	10:10:48	2,000	45.42	SE	2025-03-31	16:41:07	2,000	45.23	SE
2025-03-31	10:17:49	2,000	45.44	SE	2025-03-31	16:44:05	2,000	45.21	SE
2025-03-31	10:25:56	2,000	45.3	SE	2025-03-31	16:46:47	2,000	45.23	SE
2025-03-31	10:33:25	2,000	45.32	SE	2025-03-31	16:49:37	2,000	45.21	SE
2025-03-31	10:41:06	2,000	45.27	SE	2025-03-31	16:52:15	2,000	45.18	SE
2025-03-31	10:51:14	2,000	45.43	SE	2025-03-31	16:57:00	2,000	45.2	SE
2025-03-31	10:59:08	2,000	45.38	SE	2025-03-31	16:58:26	2,000	45.2	SE
2025-03-31	11:07:05	2,000	45.37	SE	2025-04-01	09:07:45	2,000	45.66	SE
2025-03-31	11:15:11	2,000	45.39	SE	2025-04-01	09:13:36	2,000	45.72	SE
2025-03-31	11:23:39	2,000	45.39	SE	2025-04-01	09:20:08	2,000	45.64	SE
2025-03-31	11:31:08	2,000	45.4	SE	2025-04-01	09:27:45	2,000	45.61	SE
2025-03-31	11:40:20	2,000	45.28	SE	2025-04-01	09:34:09	2,000	45.59	SE
2025-03-31	11:51:00	2,000	45.36	SE	2025-04-01	09:42:34	2,000	45.67	SE
2025-03-31	11:57:47	2,000	45.18	SE	2025-04-01	09:51:03	2,000	45.66	SE
2025-03-31	12:06:20	2,000	45.16	SE	2025-04-01	10:00:09	2,000	45.72	SE
2025-03-31	12:20:01	2,000	45.14	SE	2025-04-01	10:05:41	2,000	45.7	SE
2025-03-31	12:31:30	2,000	45.14	SE	2025-04-01	10:13:43	2,000	45.77	SE
2025-03-31	12:46:51	2,000	45.1	SE	2025-04-01	10:23:20	2,000	45.92	SE
2025-03-31	13:00:00	2,000	45.14	SE	2025-04-01	10:30:03	2,000	45.96	SE
2025-03-31	13:11:10	2,000	45.1	SE	2025-04-01	10:38:23	2,000	45.94	SE

ABB SHARE BUYBACKS 3/4

2025-04-01	10:46:41	2,000	45.9	SE	2025-04-02	09:45:19	2,000	45.74	SE
2025-04-01	10:55:01	2,000	45.87	SE	2025-04-02	09:55:15	2,000	45.66	SE
2025-04-01	11:04:00	2,000	45.87	SE	2025-04-02	10:03:22	2,000	45.74	SE
2025-04-01	11:13:33	2,000	45.8	SE	2025-04-02	10:10:09	2,000	45.53	SE
2025-04-01	11:25:11	2,000	45.81	SE	2025-04-02	10:18:51	2,000	45.72	SE
2025-04-01	11:30:59	2,000	45.83	SE	2025-04-02	10:27:40	2,000	45.73	SE
2025-04-01	11:38:16	2,000	45.84	SE	2025-04-02	10:35:01	2,000	45.68	SE
2025-04-01	11:51:09	2,000	45.89	SE	2025-04-02	10:46:20	2,000	45.65	SE
2025-04-01	11:58:35	2,000	45.87	SE	2025-04-02	10:52:58	2,000	45.62	SE
2025-04-01	12:07:44	2,000	45.73	SE	2025-04-02	11:06:06	2,000	45.67	SE
2025-04-01	12:20:05	2,000	45.7	SE	2025-04-02	11:13:47	2,000	45.74	SE
2025-04-01	12:29:41	2,000	45.66	SE	2025-04-02	11:21:50	2,000	45.7	SE
2025-04-01	12:43:58	2,000	45.56	SE	2025-04-02	11:31:28	2,000	45.75	SE
2025-04-01	12:59:32	2,000	45.53	SE	2025-04-02	11:39:46	2,000	45.78	SE
2025-04-01	13:13:15	2,000	45.46	SE	2025-04-02	11:52:18	2,000	45.74	SE
2025-04-01	13:25:24	2,000	45.47	SE	2025-04-02	11:59:22	2,000	45.65	SE
2025-04-01	13:37:22	2,000	45.47	SE	2025-04-02	12:10:20	2,000	45.5	SE
2025-04-01	13:53:31	2,000	45.56	SE	2025-04-02	12:23:29	2,000	45.48	SE
2025-04-01	14:01:33	2,000	45.62	SE	2025-04-02	12:36:45	2,000	45.48	SE
2025-04-01	14:11:09	2,000	45.76	SE	2025-04-02	12:53:05	2,000	45.48	SE
2025-04-01	14:24:35	2,000	45.7	SE	2025-04-02	13:05:41	2,000	45.5	SE
2025-04-01	14:35:14	2,000	45.73	SE	2025-04-02	13:17:02	2,000	45.46	SE
2025-04-01	14:38:21	2,000	45.73	SE	2025-04-02	13:36:03	2,000	45.38	SE
2025-04-01	14:45:47	2,000	45.63	SE	2025-04-02	13:47:32	2,000	45.38	SE
2025-04-01	14:53:02	2,000	45.58	SE	2025-04-02	13:56:55	2,000	45.21	SE
2025-04-01	15:01:44	2,000	45.53	SE	2025-04-02	14:09:32	2,000	45	SE
2025-04-01	15:10:48	2,000	45.62	SE	2025-04-02	14:20:57	2,000	45.12	SE
2025-04-01	15:17:23	2,000	45.67	SE	2025-04-02	14:30:56	2,000	45.09	SE
2025-04-01	15:25:30	2,000	45.75	SE	2025-04-02	14:37:31	2,000	45.07	SE
2025-04-01	15:32:03	2,000	45.69	SE	2025-04-02	14:47:02	2,000	45.19	SE
2025-04-01	15:35:58	2,000	45.45	SE	2025-04-02	14:53:07	2,000	45.26	SE
2025-04-01	15:43:53	2,000	45.58	SE	2025-04-02	15:01:48	2,000	45.28	SE
2025-04-01	15:46:03	2,000	45.54	SE	2025-04-02	15:10:26	2,000	45.31	SE
2025-04-01	15:49:12	2,000	45.58	SE	2025-04-02	15:19:20	2,000	45.25	SE
2025-04-01	15:52:15	2,000	45.58	SE	2025-04-02	15:27:09	2,000	45.16	SE
2025-04-01	15:55:16	2,000	45.61	SE	2025-04-02	15:32:39	2,000	45.01	SE
2025-04-01	15:58:40	2,000	45.62	SE	2025-04-02	15:38:52	2,000	45.25	SE
2025-04-01	16:00:00	1,458	45.53	SE	2025-04-02	15:42:12	2,000	45.22	SE
2025-04-01	16:00:00	399	45.53	SE	2025-04-02	15:45:14	2,000	45.27	SE
2025-04-01	16:00:00	143	45.53	SE	2025-04-02	15:47:40	2,000	45.25	SE
2025-04-01	16:04:11	567	45.45	SE	2025-04-02	15:51:25	2,000	45.31	SE
2025-04-01	16:06:01	2,000	45.44	SE	2025-04-02	15:54:57	2,000	45.24	SE
2025-04-01	16:07:19	2,000	45.37	SE	2025-04-02	15:57:59	2,000	45.19	SE
2025-04-01	16:10:01	2,000	45.45	SE	2025-04-02	16:01:12	2,000	45.35	SE
2025-04-01	16:12:31	2,000	45.42	SE	2025-04-02	16:03:18	2,000	45.37	SE
2025-04-01	16:15:26	2,000	45.44	SE	2025-04-02	16:05:47	2,000	45.39	SE
2025-04-01	16:18:20	2,000	45.41	SE	2025-04-02	16:08:25	2,000	45.31	SE
2025-04-01	16:21:05	2,000	45.36	SE	2025-04-02	16:11:57	2,000	45.21	SE
2025-04-01	16:23:19	2,000	45.4	SE	2025-04-02	16:14:14	2,000	45.23	SE
2025-04-01	16:27:34	2,000	45.48	SE	2025-04-02	16:17:03	2,000	45.32	SE
2025-04-01	16:30:38	2,000	45.46	SE	2025-04-02	16:20:05	2,000	45.35	SE
2025-04-01	16:33:17	2,000	45.49	SE	2025-04-02	16:23:22	2,000	45.35	SE
2025-04-01	16:36:29	2,000	45.53	SE	2025-04-02	16:26:03	2,000	45.3	SE
2025-04-01	16:40:00	2,000	45.63	SE	2025-04-02	16:30:03	2,000	45.38	SE
2025-04-02	09:08:27	2,000	45.89	SE	2025-04-02	16:32:51	2,000	45.41	SE
2025-04-02	09:14:22	2,000	45.76	SE	2025-04-02	16:38:35	2,000	45.37	SE
2025-04-02	09:22:03	2,000	45.92	SE	2025-04-02	16:38:36	2,000	45.38	SE
2025-04-02	09:30:04	2,000	45.92	SE
2025-04-02	09:36:21	2,000	45.82	SE

ABB SHARE BUYBACKS 4/4