ABB Ltd

Transaction in Own Shares • Feb 27, 2025

ZURICH, SWITZERLAND, FEBRUARY 27, 2025

ABB share buybacks

February 20, 2025 – February 26, 2025

During the period February 20, 2025, to February 26, 2025, ABB repurchased a total of 488,079 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)
20-Feb-25	104'000	52.9277	5'504'479.97
21-Feb-25	79'397	52.4580	4'165'010.53
24-Feb-25	106'696	50.8454	5'424'997.60
25-Feb-25	103'986	49.4114	5'138'097.58
26-Feb-25	94'000	49.8326	4'684'259.98

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 February 26, 2025, is 1,312,501 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	2025-02-20	16:38:07	2'000	52.54	SE
2025-02-20	09:10:24	2'000	52.98	SE	2025-02-20	16:42:51	2'000	52.56	SE
2025-02-20	09:20:48	2'000	52.74	SE	2025-02-20	16:49:31	2'000	52.52	SE
2025-02-20	09:32:54	2'000	52.80	SE	2025-02-20	16:55:35	2'000	52.46	SE
2025-02-20	09:43:33	2'000	52.94	SE	2025-02-21	09:10:05	2'000	52.52	SE
2025-02-20	09:52:35	2'000	52.90	SE	2025-02-21	09:23:57	2'000	52.40	SE
2025-02-20	10:05:05	2'000	52.84	SE	2025-02-21	09:38:06	2'000	52.44	SE
2025-02-20	10:15:12	2'000	52.76	SE	2025-02-21	09:52:51	285	52.42	SE
2025-02-20	10:27:35	2'000	52.94	SE	2025-02-21	09:57:14	2'000	52.46	SE
2025-02-20	10:38:40	2'000	52.98	SE	2025-02-21	10:09:10	2'000	52.38	SE
2025-02-20	10:48:32	2'000	53.00	SE	2025-02-21	10:19:55	2'000	52.42	SE
2025-02-20	10:59:31	2'000	52.98	SE	2025-02-21	10:39:19	2'000	52.54	SE
2025-02-20	11:09:00	2'000	53.02	SE	2025-02-21	10:53:36	2'000	52.46	SE
2025-02-20	11:20:16	2'000	53.08	SE	2025-02-21	11:08:03	2'000	52.38	SE
2025-02-20	11:32:46	2'000	53.12	SE	2025-02-21	11:23:38	2'000	52.48	SE
2025-02-20	11:44:51	2'000	53.10	SE	2025-02-21	11:35:03	971	52.48	SE
2025-02-20	11:54:21	2'000	53.12	SE	2025-02-21	11:45:35	2'000	52.54	SE
2025-02-20	12:05:21	2'000	53.18	SE	2025-02-21	11:57:58	2'000	52.62	SE
2025-02-20	12:17:19	2'000	53.16	SE	2025-02-21	12:12:54	2'000	52.60	SE
2025-02-20	12:26:24	2'000	53.14	SE	2025-02-21	12:27:35	2'000	52.58	SE
2025-02-20	12:39:47	2'000	53.12	SE	2025-02-21	12:43:10	2'000	52.60	SE
2025-02-20	12:49:03	2'000	53.08	SE	2025-02-21	12:55:26	2'000	52.56	SE
2025-02-20	13:00:31	2'000	53.12	SE	2025-02-21	13:12:00	2'000	52.48	SE
2025-02-20	13:10:14	2'000	53.22	SE	2025-02-21	13:25:37	2'000	52.48	SE
2025-02-20	13:23:23	2'000	53.28	SE	2025-02-21	13:39:59	2'000	52.42	SE
2025-02-20	13:31:32	2'000	53.20	SE	2025-02-21	13:55:12	2'000	52.44	SE
2025-02-20	13:45:11	2'000	53.22	SE	2025-02-21	14:08:43	2'000	52.46	SE
2025-02-20	13:55:00	2'000	53.16	SE	2025-02-21	14:18:44	2'000	52.52	SE
2025-02-20	14:04:01	2'000	53.04	SE	2025-02-21	14:36:27	2'000	52.64	SE
2025-02-20	14:16:01	2'000	53.06	SE	2025-02-21	14:50:55	2'000	52.54	SE
2025-02-20	14:27:53	2'000	53.06	SE	2025-02-21	15:36:40	568	52.50	SE
2025-02-20	14:38:21	2'000	53.04	SE	2025-02-21	15:36:40	1'432	52.50	SE
2025-02-20	14:49:30	2'000	53.04	SE	2025-02-21	15:36:40	568	52.50	SE
2025-02-20	14:59:54	2'000	52.98	SE	2025-02-21	15:36:41	1'432	52.50	SE
2025-02-20	15:12:16	2'000	53.00	SE	2025-02-21	15:36:41	568	52.50	SE
2025-02-20	15:12:36	2'000	53.00	SE	2025-02-21	15:36:41	1'432	52.50	SE
2025-02-20	15:17:54	2'000	53.02	SE	2025-02-21	15:36:41	568	52.50	SE
2025-02-20	15:23:51	2'000	53.00	SE	2025-02-21	15:36:41	1'432	52.50	SE
2025-02-20	15:36:44	2'000	53.00	SE	2025-02-21	15:39:51	367	52.42	SE
2025-02-20	15:36:44	2'000	53.00	SE	2025-02-21	15:41:37	2'000	52.42	SE
2025-02-20	15:42:35	2'000	52.92	SE	2025-02-21	15:48:32	2'000	52.42	SE
2025-02-20	15:48:22	2'000	52.76	SE	2025-02-21	15:56:14	2'000	52.28	SE
2025-02-20	15:54:28	2'000	52.66	SE	2025-02-21	16:02:31	390	52.38	SE
2025-02-20	16:00:24	2'000	52.56	SE	2025-02-21	16:04:52	2'000	52.38	SE
					2025-02-21	16:12:05	2'000	52.40	SE
2025-02-20 2025-02-20	16:06:44 16:13:22	2'000 2'000	52.56 52.58	SE SE	2025-02-21	16:18:06	2'000	52.36	SE
2025-02-20	16:19:20	2'000	52.58	SE	2025-02-21	16:27:04	2'000	52.22	SE
					2025-02-21	16:34:01	2'000	52.30	SE
2025-02-20	16:25:36	2'000	52.58	SE	2025-02-21	16:40:39	1'007	52.36	SE
2025-02-20	16:31:05	2'000	52.54	SE

ABB SHARE BUYBACKS 2/4

2025-02-21	16:40:39	993	52.36	SE	2025-02-24	16:43:48	2'000	49.92	SE
2025-02-21	16:48:58	2'000	52.40	SE	2025-02-24	16:48:57	2'000	49.73	SE
2025-02-21	16:55:53	993	52.34	SE	2025-02-24	16:54:42	256	49.79	SE
2025-02-21	16:58:43	391	52.36	SE	2025-02-24	16:55:42	2'000	49.75	SE
2025-02-24	09:08:37	2'000	51.14	SE	2025-02-25	09:08:44	2'000	49.56	SE
2025-02-24	09:19:30	265	50.70	SE	2025-02-25	09:20:57	2'000	49.67	SE
2025-02-24	09:19:48	2'000	50.70	SE	2025-02-25	09:32:43	2'000	49.63	SE
2025-02-24	09:31:08	2'000	50.84	SE	2025-02-25	09:42:02	2'000	49.63	SE
2025-02-24	09:43:06	260	50.72	SE	2025-02-25	09:54:18	2'000	49.47	SE
2025-02-24	09:45:16	819	50.78	SE	2025-02-25	10:03:51	2'000	49.49	SE
2025-02-24	09:45:16	190	50.78	SE	2025-02-25	10:15:02	2'000	49.64	SE
2025-02-24	09:50:53	190	51.00	SE	2025-02-25	10:26:09	2'000	49.71	SE
2025-02-24	09:51:15	2'000	50.94	SE	2025-02-25	10:38:14	2'000	49.82	SE
2025-02-24	09:59:10	716	50.98	SE	2025-02-25	10:48:56	2'000	49.73	SE
2025-02-24	10:04:59	2'000	51.08	SE	2025-02-25	10:59:10	2'000	49.64	SE
2025-02-24	10:15:18	2'000	51.04	SE	2025-02-25	11:10:02	2'000	49.73	SE
2025-02-24	10:27:25	2'000	51.16	SE	2025-02-25	11:20:12	2'000	49.67	SE
2025-02-24	10:37:38	2'000	51.24	SE	2025-02-25	11:32:32	2'000	49.68	SE
2025-02-24	10:48:27	2'000	51.10	SE	2025-02-25	11:42:04	2'000	49.65	SE
2025-02-24	11:01:18	2'000	51.04	SE	2025-02-25	11:54:01	2'000	49.55	SE
2025-02-24	11:11:17	2'000	51.04	SE	2025-02-25	12:05:06	2'000	49.55	SE
2025-02-24	11:21:43	2'000	51.08	SE	2025-02-25	12:16:33	2'000	49.63	SE
2025-02-24	11:33:50	2'000	51.14	SE	2025-02-25	12:28:10	2'000	49.60	SE
2025-02-24	11:44:04	2'000	51.14	SE	2025-02-25	12:37:02	2'000	49.57	SE
2025-02-24	11:54:35	2'000	50.98	SE	2025-02-25	12:47:51	2'000	49.58	SE
2025-02-24	12:06:13	2'000	51.12	SE	2025-02-25	12:59:51	2'000	49.47	SE
2025-02-24	12:17:24	2'000	51.12	SE	2025-02-25	13:10:10	2'000	49.58	SE
2025-02-24	12:27:33	2'000	51.28	SE	2025-02-25	13:20:59	2'000	49.60	SE
2025-02-24	12:39:41	2'000	51.36	SE	2025-02-25	13:31:05	2'000	49.52	SE
2025-02-24	12:50:53	2'000	51.34	SE	2025-02-25	13:43:22	2'000	49.45	SE
2025-02-24	13:01:26	2'000	51.28	SE	2025-02-25	13:54:57	2'000	49.47	SE
2025-02-24	13:12:03	2'000	51.14	SE	2025-02-25	14:04:06	2'000	49.33	SE
2025-02-24	13:22:27	2'000	51.20	SE	2025-02-25	14:15:19	2'000	49.32	SE
2025-02-24	13:33:53	2'000	51.36	SE	2025-02-25	14:26:29	2'000	49.43	SE
2025-02-24	13:44:59	2'000	51.32	SE	2025-02-25	14:37:03	2'000	49.46	SE
2025-02-24	13:56:00	2'000	51.40	SE	2025-02-25	14:48:15	2'000	49.50	SE
2025-02-24	14:06:30	2'000	51.38	SE	2025-02-25	15:02:22	2'000	49.49	SE
2025-02-24	14:17:42	2'000	51.46	SE	2025-02-25	15:02:24	993	49.54	SE
2025-02-24	14:29:27	2'000	51.42	SE	2025-02-25	15:03:13	2'000	49.45	SE
2025-02-24	14:40:01	2'000	51.40	SE	2025-02-25	15:10:13	2'000	49.41	SE
2025-02-24	14:51:29	2'000	51.34	SE	2025-02-25	15:15:11	2'000	49.35	SE
2025-02-24	15:02:19	2'000	51.32	SE	2025-02-25	15:20:02	993	49.37	SE
2025-02-24	15:10:30	2'000	51.02	SE	2025-02-25	15:26:30	2'000	49.35	SE
2025-02-24	15:18:14	2'000	51.02	SE	2025-02-25	15:32:43	2'000	49.35	SE
2025-02-24	15:22:56	2'000	50.88	SE	2025-02-25	15:38:43	2'000	49.34	SE
2025-02-24	15:27:44	2'000	50.84	SE	2025-02-25	15:44:58	2'000	49.39	SE
2025-02-24	15:34:08	2'000	50.78	SE	2025-02-25	15:51:13	2'000	49.24	SE
2025-02-24	15:39:54	2'000	50.68	SE	2025-02-25	15:58:26	2'000	49.15	SE
2025-02-24	15:45:45	2'000	50.64	SE	2025-02-25	16:03:58	2'000	48.97	SE
2025-02-24	15:49:35	2'000	50.54	SE	2025-02-25	16:10:40	2'000	49.04	SE
2025-02-24	15:55:23	2'000	50.32	SE	2025-02-25	16:16:37	2'000	48.96	SE
2025-02-24	16:00:42	2'000	50.22	SE	2025-02-25	16:23:15	2'000	48.84	SE
2025-02-24	16:05:51	2'000	49.82	SE	2025-02-25	16:29:38	2'000	48.71	SE
2025-02-24	16:11:05	2'000	49.99	SE	2025-02-25	16:36:04	2'000	48.80	SE
2025-02-24	16:17:11	2'000	50.02	SE	2025-02-25	16:43:03	2'000	48.86	SE
2025-02-24	16:22:37	2'000	50.08	SE	2025-02-25	16:49:14	2'000	48.92	SE
2025-02-24	16:28:40	2'000	50.10	SE	2025-02-25	16:55:43	2'000	48.99	SE
2025-02-24	16:32:53	2'000	49.88	SE	2025-02-26	09:08:57	2'000	49.80	SE
2025-02-24	16:39:03	2'000	49.97	SE	2025-02-26	09:20:07	2'000	49.76	SE

ABB SHARE BUYBACKS 3/4

2025 -02 -26	09:32:35	2'000	49.76	SE
2025 -02 -26	09:42:52	2'000	49.75	SE
2025 -02 -26	09:55:28	2'000	49.82	SE
2025 -02 -26	10:07:44	2'000	49.81	SE
2025 -02 -26	10:19:03	2'000	49.88	SE
2025 -02 -26	10:31:55	2'000	49.85	SE
2025 -02 -26	10:45:40	2'000	49.94	SE
2025 -02 -26	10:55:44	2'000	49.95	SE
2025 -02 -26	11:07:39	2'000	49.94	SE
2025 -02 -26	11:18:55	2'000	49.87	SE
2025 -02 -26	11:30:22	2'000	49.92	SE
2025 -02 -26	11:41:51	2'000	49.90	SE
2025 -02 -26	11:53:16	2'000	49.88	SE
2025 -02 -26	12:05:43	2'000	49.86	SE
2025 -02 -26	12:16:51	2'000	49.89	SE
2025 -02 -26	12:29:21	2'000	49.90	SE
2025 -02 -26	12:41:24	2'000	49.94	SE
2025 -02 -26	12:51:20	2'000	49.87	SE
2025 -02 -26	13:05:42	2'000	49.84	SE
2025 -02 -26	13:16:26	2'000	49.86	SE
2025 -02 -26	13:28:17	2'000	49.84	SE
2025 -02 -26	13:40:02	2'000	49.89	SE
2025 -02 -26	13:51:39	2'000	49.92	SE
2025 -02 -26	14:04:31	2'000	49.91	SE
2025 -02 -26	14:15:49	2'000	49.95	SE
2025 -02 -26	14:26:20	2'000	49.96	SE
2025 -02 -26	14:38:30	2'000	50.00	SE
2025 -02 -26	14:50:14	2'000	49.93	SE
2025 -02 -26	15:23:57	2'000	49.87	SE
2025 -02 -26	15:23:57	2'000	49.87	SE
2025 -02 -26	15:23:58	2'000	49.87	SE
2025 -02 -26	15:23:59	2'000	49.87	SE
2025 -02 -26	15:27:59	2'000	49.82	SE
2025 -02 -26	15:35:07	2'000	49.77	SE
2025 -02 -26	15:41:56	2'000	49.78	SE
2025 -02 -26	15:49:03	2'000	49.73	SE
2025 -02 -26	15:56:06	2'000	49.82	SE
2025 -02 -26	16:04:27	2'000	49.77	SE
2025 -02 -26	16:10:39	2'000	49.77	SE
2025 -02 -26	16:18:16	2'000	49.78	SE
2025 -02 -26	16:25:24	2'000	49.66	SE
2025 -02 -26	16:32:23	2'000	49.61	SE
2025 -02 -26	16:39:06	2'000	49.50	SE
2025 -02 -26	16:48:36	2'000	49.67	SE

-26 16:55:33 2'000 49.58 SE

2025 -02

ABB SHARE BUYBACKS 4 / 4