ABB Ltd

Transaction in Own Shares • Mar 20, 2025

ZURICH, SWITZERLAND, MARCH 20, 2025

ABB share buybacks

March 13, 2025 – March 19, 2025

During the period March 13, 2025, to March 19, 2025, ABB repurchased a total of 485,803 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)
13-Mar-25	117'803	48.4275	5'704'899.48
14-Mar-25	56'000	48.6871	2'726'480.01
17-Mar-25	84'000	49.2214	4'134'600.04
18-Mar-25	146'000	49.6349	7'246'689.85
19-Mar-25	82'000	50.3180	4'126'080.02

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 March 19, 2025, is 2,890,703 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	2025-03-13	16:19:27	2'000	48.14	SE
2025-03-13	09:06:24	2'000	48.82	SE	2025-03-13	16:22:48	2'000	48.1	SE
2025-03-13	09:13:53	2'000	48.56	SE	2025-03-13	16:26:21	2'000	48.1	SE
2025-03-13	09:22:07	2'000	48.68	SE	2025-03-13	16:29:45	2'000	48.07	SE
2025-03-13	09:30:32	2'000	48.73	SE	2025-03-13	16:32:46	2'000	48.1	SE
2025-03-13	09:39:33	2'000	48.71	SE	2025-03-13	16:37:01	1'796	48.09	SE
2025-03-13	09:49:34	2'000	48.82	SE	2025-03-13	16:37:01	204	48.08	SE
2025-03-13	10:00:06	2'000	48.89	SE	2025-03-13	16:40:33	2'000	48.04	SE
2025-03-13	10:07:22	2'000	48.71	SE	2025-03-13	16:43:04	204	48.04	SE
2025-03-13	10:17:22	2'000	48.98	SE	2025-03-13	16:44:03	204	48.18	SE
2025-03-13	10:28:17	2'000	48.95	SE	2025-03-13	16:44:04	562	48.18	SE
2025-03-13	10:38:36	2'000	48.84	SE	2025-03-13	16:44:04	671	48.18	SE
2025-03-13	10:50:05	2'000	48.82	SE	2025-03-13	16:46:51	671	48.21	SE
2025-03-13	10:58:54	2'000	48.85	SE	2025-03-13	16:48:01	671	48.26	SE
2025-03-13	11:10:10	2'000	48.9	SE	2025-03-13	16:48:41	234	48.23	SE
2025-03-13	11:18:57	2'000	49.03	SE	2025-03-13	16:49:20	437	48.28	SE
2025-03-13	11:32:13	2'000	49.1	SE	2025-03-13	16:50:12	332	48.27	SE
2025-03-13	11:43:21	2'000	49.01	SE	2025-03-13	16:50:51	671	48.27	SE
2025-03-13	11:53:10	2'000	48.97	SE	2025-03-13	16:52:11	671	48.19	SE
2025-03-13	12:03:50	2'000	48.88	SE	2025-03-13	16:52:11	486	48.19	SE
2025-03-13	12:17:52	2'000	48.9	SE	2025-03-13	16:52:11	204	48.19	SE
2025-03-13	12:31:28	2'000	48.82	SE	2025-03-13	16:55:09	671	48.17	SE
2025-03-13	12:50:06	2'000	48.71	SE	2025-03-13	16:55:09	671	48.17	SE
2025-03-13	13:07:04	2'000	48.6	SE	2025-03-13	16:57:11	2'000	48.15	SE
2025-03-13	13:23:54	2'000	48.48	SE	2025-03-14	09:06:04	2'000	47.96	SE
2025-03-13	13:39:02	2'000	48.54	SE	2025-03-14	09:16:26	2'000	48.18	SE
2025-03-13	13:52:56	2'000	48.39	SE	2025-03-14	09:27:31	2'000	48.31	SE
2025-03-13	14:07:43	443	48.41	SE	2025-03-14	09:38:58	2'000	48.33	SE
2025-03-13	14:10:01	2'000	48.36	SE	2025-03-14	09:51:20	2'000	48.36	SE
2025-03-13	14:23:00	2'000	48.36	SE	2025-03-14	10:05:16	2'000	48.43	SE
2025-03-13	14:31:57	2'000	48.28	SE	2025-03-14	10:17:26	2'000	48.36	SE
2025-03-13	14:40:49	2'000	48.28	SE	2025-03-14	10:30:59	2'000	48.34	SE
2025-03-13	14:48:21	2'000	48.15	SE	2025-03-14	10:40:09	2'000	48.37	SE
2025-03-13	15:00:00	2'000	48	SE	2025-03-14	10:55:55	2'000	48.33	SE
2025-03-13	15:08:25	2'000	48.12	SE	2025-03-14	11:10:33	2'000	48.45	SE
2025-03-13	15:18:47	2'000	48.3	SE	2025-03-14	11:21:33	2'000	48.38	SE
2025-03-13	15:28:38	2'000	48.22	SE	2025-03-14	11:39:43	2'000	48.4	SE
2025-03-13	15:35:18	2'000	48.2	SE	2025-03-14	11:53:02	2'000	48.77	SE
2025-03-13	15:43:21	2'000	48.08	SE	2025-03-14	12:05:25	2'000	48.8	SE
2025-03-13	15:46:54	2'000	48.08	SE	2025-03-14	12:25:38	2'000	48.7	SE
2025-03-13	15:50:09	2'000	48.05	SE	2025-03-14	12:44:42	2'000	48.73	SE
2025-03-13	15:53:54	2'000	48.09	SE	2025-03-14	13:09:18	2'000	49	SE
2025-03-13	15:57:53	2'000	48.01	SE	2025-03-14	13:30:48	2'000	49.11	SE
2025-03-13	16:01:21	2'000	48.05	SE	2025-03-14	13:48:03	2'000	49.07	SE
2025-03-13	16:03:54	2'000	48.09	SE	2025-03-14	14:10:09	2'000	49.1	SE
2025-03-13	16:06:42	2'000	48.09	SE	2025-03-14	14:25:03	2'000	49.13	SE
2025-03-13	16:10:00	2'000	48.05	SE	2025-03-14	14:35:27	2'000	49.22	SE
2025-03-13	16:12:44	2'000	47.99	SE	2025-03-14	14:47:42	2'000	49.35	SE
2025-03-13	16:16:00	2'000	48	SE	2025-03-14	15:01:31	2'000	48.99	SE

2025-03-14	15:14:02	2'000	49.06	SE	2025-03-18	10:48:35	2'000	49.82	SE
2025-03-14	15:27:38	2'000	49.02	SE	2025-03-18	10:57:23	2'000	49.74	SE
2025-03-14	15:34:45	2'000	48.99	SE	2025-03-18	11:05:41	2'000	49.68	SE
2025-03-17	09:07:28	2'000	48.91	SE	2025-03-18	11:13:41	2'000	49.64	SE
2025-03-17	09:13:41	2'000	48.87	SE	2025-03-18	11:23:17	2'000	49.61	SE
2025-03-17	09:19:54	2'000	48.91	SE	2025-03-18	11:31:03	2'000	49.51	SE
2025-03-17	09:28:08	2'000	49.15	SE	2025-03-18	11:40:25	2'000	49.59	SE
2025-03-17	09:35:36	2'000	49.2	SE	2025-03-18	11:50:00	2'000	49.67	SE
2025-03-17	09:43:36	2'000	49.26	SE	2025-03-18	11:58:58	2'000	49.71	SE
2025-03-17	09:50:13	2'000	49.29	SE	2025-03-18	12:07:29	2'000	49.73	SE
2025-03-17	09:59:57	2'000	49.17	SE	2025-03-18	12:18:21	2'000	49.74	SE
2025-03-17	10:07:00	2'000	49.12	SE	2025-03-18	12:30:29	2'000	49.78	SE
2025-03-17	10:15:45	2'000	49.02	SE	2025-03-18	12:43:47	2'000	49.8	SE
2025-03-17	10:22:47	2'000	48.98	SE	2025-03-18	12:58:20	2'000	49.92	SE
2025-03-17	10:33:01	2'000	49.06	SE	2025-03-18	13:08:39	2'000	49.95	SE
2025-03-17	10:39:19	2'000	49.05	SE	2025-03-18	13:22:29	2'000	49.92	SE
2025-03-17	10:48:42	2'000	49.19	SE	2025-03-18	13:35:01	2'000	50	SE
2025-03-17	10:57:44	2'000	49.16	SE	2025-03-18	13:46:48	2'000	49.98	SE
2025-03-17	11:05:59	2'000	49.23	SE	2025-03-18	14:00:01	2'000	49.89	SE
2025-03-17	11:16:54	2'000	49.27	SE	2025-03-18	14:10:55	2'000	49.88	SE
2025-03-17	11:25:27	2'000	49.31	SE	2025-03-18	14:21:15	2'000	49.84	SE
2025-03-17	11:33:33	2'000	49.32	SE	2025-03-18	14:29:52	2'000	49.8	SE
2025-03-17	11:43:10	2'000	49.29	SE	2025-03-18	14:35:01	2'000	49.74	SE
2025-03-17	11:52:14	2'000	49.32	SE	2025-03-18	14:41:29	2'000	49.65	SE
2025-03-17	12:02:00	2'000	49.33	SE	2025-03-18	14:48:25	2'000	49.62	SE
2025-03-17	12:11:49	2'000	49.35	SE	2025-03-18	14:57:04	2'000	49.5	SE
2025-03-17	12:23:47	2'000	49.35	SE	2025-03-18	15:05:00	2'000	49.56	SE
2025-03-17	12:35:46	2'000	49.21	SE	2025-03-18	15:12:29	2'000	49.58	SE
2025-03-17	12:50:35	2'000	49.14	SE	2025-03-18	15:19:30	2'000	49.54	SE
2025-03-17	13:04:15	2'000	49.2	SE	2025-03-18	15:28:12	2'000	49.57	SE
2025-03-17	13:18:10	2'000	49.24	SE	2025-03-18	15:33:24	2'000	49.62	SE
2025-03-17	13:30:07	2'000	49.16	SE	2025-03-18	15:38:42	2'000	49.66	SE
2025-03-17	13:46:01	2'000	49.29	SE	2025-03-18	15:43:56	2'000	49.61	SE
2025-03-17	13:56:32	2'000	49.21	SE	2025-03-18	15:46:19	2'000	49.47	SE
2025-03-17	14:08:48	2'000	49.19	SE	2025-03-18	15:49:21	2'000	49.46	SE
2025-03-17	14:19:00	2'000	49.18	SE	2025-03-18	15:52:26	2'000	49.56	SE
2025-03-17	14:29:04	2'000	49.15	SE	2025-03-18	15:54:52	2'000	49.53	SE
2025-03-17	14:34:27	2'000	49.25	SE	2025-03-18	15:58:40	2'000	49.49	SE
2025-03-17	14:42:19	2'000	49.49	SE	2025-03-18	16:01:10	2'000	49.4	SE
2025-03-17	14:48:53	2'000	49.45	SE	2025-03-18	16:03:40	2'000	49.29	SE
2025-03-17	14:59:22	2'000	49.46	SE	2025-03-18	16:06:00	2'000	49.36	SE
2025-03-17	15:05:34	2'000	49.39	SE	2025-03-18	16:08:06	2'000	49.35	SE
2025-03-17	15:14:15	2'000	49.41	SE	2025-03-18	16:10:58	2'000	49.34	SE
2025-03-17	15:24:06	2'000	49.43	SE	2025-03-18	16:13:04	204	49.34	SE
2025-03-17	15:30:26	2'000	49.34	SE	2025-03-18	16:14:05	1'796	49.36	SE
2025-03-18	09:05:14	2'000	49.63	SE	2025-03-18	16:15:46	204	49.36	SE
2025-03-18	09:10:34	2'000	49.74	SE	2025-03-18	16:16:00	1'796	49.39	SE
2025-03-18	09:18:06	2'000	49.74	SE	2025-03-18	16:19:08	2'000	49.41	SE
2025-03-18	09:24:22	2'000	49.92	SE	2025-03-18	16:21:39	2'000	49.39	SE
2025-03-18	09:30:50	2'000	49.85	SE	2025-03-18	16:25:00	2'000	49.38	SE
2025-03-18	09:38:28	2'000	49.88	SE	2025-03-18	16:28:12	2'000	49.5	SE
2025-03-18	09:46:34	2'000	49.77	SE	2025-03-18	16:30:48	2'000	49.46	SE
2025-03-18	09:55:10	2'000	49.77	SE	2025-03-18	16:34:01	2'000	49.46	SE
2025-03-18	10:02:28	2'000	49.8	SE	2025-03-18	16:36:19	2'000	49.46	SE
2025-03-18	10:08:57	2'000	49.84	SE	2025-03-18	16:39:34	2'000	49.5	SE
2025-03-18	10:17:01	2'000	49.78	SE	2025-03-18	16:42:49	2'000	49.5	SE
2025-03-18	10:25:08	2'000	49.81	SE	2025-03-18	16:45:23	2'000	49.5	SE
2025-03-18	10:32:31	2'000	49.83	SE	2025-03-18	16:48:21	2'000	49.5	SE
2025-03-18	10:41:00	2'000	49.78	SE	2025-03-18	16:52:01	2'000	49.5	SE

2025 -03 -18	16:54:48	2'000	49.4	SE
2025 -03 -18	16:57:52	2'000	49.4	SE
2025 -03 -19	09:06:22	2'000	49.46	SE
2025 -03 -19	09:10:57	2'000	49.53	SE
2025 -03 -19	09:18:25	2'000	49.48	SE
2025 -03 -19	09:25:12	2'000	49.61	SE
2025 -03 -19	09:34:00	2'000	49.79	SE
2025 -03 -19	09:41:17	2'000	49.78	SE
2025 -03 -19	09:50:35	2'000	49.74	SE
2025 -03 -19	09:59:15	2'000	49.78	SE
2025 -03 -19	10:07:21	2'000	49.73	SE
2025 -03 -19	10:13:45	2'000	49.67	SE
2025 -03 -19	10:23:01	2'000	49.6	SE
2025 -03 -19	10:31:52	2'000	49.69	SE
2025 -03 -19	10:41:10	2'000	49.82	SE
2025 -03 -19	10:50:12	2'000	49.84	SE
2025 -03 -19	10:59:51	2'000	49.94	SE
2025 -03 -19	11:08:19	2'000	49.98	SE
2025 -03 -19	11:18:35	2'000	50.08	SE
2025 -03 -19	11:23:16	2'000	50.1	SE
2025 -03 -19	11:37:57	2'000	50.48	SE
2025 -03 -19	11:47:11	2'000	50.7	SE
2025 -03 -19	11:55:35	2'000	50.72	SE
2025 -03 -19	12:05:55	2'000	50.7	SE
2025 -03 -19	12:17:39	2'000	50.72	SE
2025 -03 -19	12:29:42	2'000	50.76	SE
2025 -03 -19	12:43:32	2'000	51.2	SE
2025 -03 -19	12:59:41	2'000	50.94	SE
2025 -03 -19	13:12:15	2'000	50.82	SE
2025 -03 -19	13:27:10	2'000	50.72	SE
2025 -03 -19	13:42:29	2'000	50.74	SE
2025 -03 -19	13:55:30	2'000	50.74	SE
2025 -03 -19	14:07:52	2'000	50.78	SE
2025 -03 -19	14:19:09	2'000	50.7	SE
2025 -03 -19	14:27:54	2'000	50.66	SE
2025 -03 -19	14:34:57	2'000	50.7	SE
2025 -03 -19	14:42:34	2'000	50.62	SE
2025 -03 -19	14:51:03	2'000	50.66	SE
2025 -03 -19	14:59:55	2'000	50.72	SE
2025 -03 -19	15:08:04	2'000	50.78	SE
2025 -03 -19	15:13:47	2'000	50.8	SE
2025 -03 -19	15:23:31	2'000	50.86	SE
2025 -03 -19	15:32:03	2'000	50.9	SE