ABB Ltd

Transaction in Own Shares • Mar 14, 2024

ZURICH, SWITZERLAND, MARCH 14, 2024

ABB share buybacks

March 7, 2024 – March 13, 2024

During the period March 7, 2024, to March 13, 2024, ABB repurchased a total of 303,955 shares as part of its share buyback program announced on March 31, 2023.

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)
Mar 7, 2024	56'822	40.7566	2'315'872.78
Mar 8, 2024	71'751	41.0054	2'942'180.39
Mar 11, 2024	54'340	40.8020	2'217'181.22
Mar 12, 2024	58'799	40.9862	2'409'948.98
Mar 13, 2024	62'243	41.7630	2'599'457.02

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 April 3, 2023, to and including March 13, 2024, is 20,992,276 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/2023

ABB is a technology leader in electrification and automation, enabling a more sustainable and resourceefficient future. The company's solutions connect engineering know-how and software to optimize how things are manufactured, moved, powered and operated. Building on more than 130 years of excellence, ABB's ~105,000 employees are committed to driving innovations that accelerate industrial transformation. 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	2024-03-07	12:14:38	1'000	40.75	SE
	2024-03-07	09:09:01	1'000	40.49	SE	2024-03-07	12:14:39	1'000	40.78	SE
	2024-03-07	09:09:01	257	40.49	SE	2024-03-07	12:19:32	348	40.75	SE
	2024-03-07	09:14:32	341	40.54	SE	2024-03-07	12:28:58	2'000	40.71	SE
	2024-03-07	09:19:10	490	40.68	SE	2024-03-07	12:33:52	390	40.71	SE
	2024-03-07	09:19:10	1'000	40.68	SE	2024-03-07	12:43:20	2'000	40.73	SE
	2024-03-07	09:27:34	204	40.68	SE	2024-03-07	12:47:38	1'000	40.73	SE
	2024-03-07	09:29:13	440	40.7	SE	2024-03-07	13:04:08	2'000	40.8	SE
	2024-03-07	09:29:13	1'000	40.7	SE	2024-03-07	13:09:29	1'000	40.76	SE
	2024-03-07	09:38:20	312	40.7	SE	2024-03-07	13:21:08	2'000	40.81	SE
	2024-03-07	09:40:27	36	40.7	SE	2024-03-07	13:26:49	2'000	40.8	SE
	2024-03-07	09:40:27	36	40.7	SE	2024-03-07	13:36:53	2'000	40.81	SE
	2024-03-07	09:40:39	344	40.7	SE	2024-03-07	13:47:22	548	40.76	SE
	2024-03-07	09:41:52	1'000	40.69	SE	2024-03-07	13:55:48	1'639	40.78	SE
	2024-03-07	09:41:52	1'000	40.69	SE	2024-03-07	13:55:48	361	40.78	SE
	2024-03-07	09:55:34	649	40.73	SE	2024-03-07	14:06:16	2'000	40.76	SE
	2024-03-07	09:55:34	1'000	40.73	SE	2024-03-07	14:16:13	397	40.76	SE
	2024-03-07	10:04:37	1'000	40.73	SE	2024-03-07	14:18:13	2'000	40.8	SE
	2024-03-07	10:14:12	1'000	40.72	SE	2024-03-07	14:31:53	2'000	40.87	SE
	2024-03-07	10:14:12	328	40.72	SE	2024-03-07	14:44:15	2'000	40.91	SE
	2024-03-07	10:21:54	1'000	40.8	SE	2024-03-08	09:09:50	1'000	41.03	SE
	2024-03-07	10:21:54	438	40.8	SE	2024-03-08	09:09:50	1'000	41.03	SE
	2024-03-07	10:31:07	2'000	40.74	SE	2024-03-08	09:19:11	1'000	40.96	SE
	2024-03-07	10:39:37	1'000	40.81	SE	2024-03-08	09:23:35	2'000	40.96	SE
	2024-03-07	10:39:37	591	40.81	SE	2024-03-08	09:32:55	2'000	40.95	SE
	2024-03-07	10:49:12	344	40.74	SE	2024-03-08	09:42:31	404	40.95	SE
	2024-03-07	10:49:12	1'000	40.74	SE	2024-03-08	09:45:21	2'000	40.92	SE
	2024-03-07	11:01:08	1'000	40.76	SE	2024-03-08	09:55:09	2'000	40.93	SE
	2024-03-07	11:01:08	1'000	40.76	SE	2024-03-08	10:04:49	2'000	40.94	SE
	2024-03-07	11:14:01	1'000	40.77	SE	2024-03-08	10:15:05	2'000	40.94	SE
	2024-03-07	11:16:32	59	40.76	SE	2024-03-08	10:24:37	2'000	41.03	SE
	2024-03-07	11:16:44	606	40.76	SE	2024-03-08	10:36:27	2'000	40.98	SE
	2024-03-07	11:16:44	1'000	40.76	SE	2024-03-08	10:44:22	2'000	41.00	SE
	2024-03-07	11:16:44	335	40.76	SE	2024-03-08	10:53:50	2'000	41.02	SE
	2024-03-07	11:28:57	1'000	40.75	SE	2024-03-08	11:07:56	2'000	40.97	SE
	2024-03-07	11:28:57	1'000	40.75	SE	2024-03-08	11:12:09	347	40.97	SE
	2024-03-07	11:40:59	1'000	40.74	SE	2024-03-08	11:15:26	2'000	40.96	SE
	2024-03-07	11:40:59	1'000	40.74	SE	2024-03-08	11:26:56	2'000	41.04	SE
	2024-03-07	11:56:34	329	40.74	SE	2024-03-08	11:34:22	2'000	41.05	SE
	2024-03-07	11:56:34	1'000	40.74	SE	2024-03-08	11:49:53	2'000	41.01	SE
	2024-03-07	12:00:49	1'000	40.73	SE	2024-03-08	11:54:45	2'000	41.04	SE

2024-03-08	12:05:27	2'000	41.03	SE	2024-03-11	12:28:35	2°000	40.89	SE
2024-03-08	12:13:48	2'000	41.04	SE	2024-03-11	12:40:25	509	40.91	SE
2024-03-08	12:23:07	2'000	41.01	SE	2024-03-11	12:40:25	1'000	40.91	SE
2024-03-08	12:33:36	2'000	41.04	SE	2024-03-11	12:50:19	1'000	40.86	SE
2024-03-08	12:43:26	2'000	41.05	SE	2024-03-11	12:50:19	1'000	40.86	SE
2024-03-08	12:56:11	2'000	41.01	SE	2024-03-11	13:03:08	1'000	40.87	SE
2024-03-08	13:03:03	2'000	41.02	SE	2024-03-11	13:03:08	1'000	40.87	SE
2024-03-08	13:17:34	2'000	41.02	SE	2024-03-11	13:15:55	1'000	40.85	SE
2024-03-08	13:22:51	2'000	41.00	SE	2024-03-11	13:22:42	1'000	40.88	SE
2024-03-08	13:32:31	2'000	41.02	SE	2024-03-11	13:22:42	1'000	40.88	SE
2024-03-08	13:42:20	2'000	41.02	SE	2024-03-11	13:37:33	1'000	40.87	SE
2024-03-08	13:52:30	2'000	40.98	SE	2024-03-11	13:40:48	1'000	40.89	SE
2024-03-08	14:02:17	2'000	41.01	SE	2024-03-11	13:46:53	1'000	40.85	SE
2024-03-08	14:14:15	2'000	41.02	SE	2024-03-11	13:46:53	1'000	40.85	SE
2024-03-08	14:21:38	2'000	41.04	SE	2024-03-11	14:00:01	1'000	40.95	SE
2024-03-08	14:32:14	2'000	41.06	SE	2024-03-11	14:08:50	1'000	40.97	SE
2024-03-08	14:41:09	2'000	41.04	SE	2024-03-11	14:08:50	1'000	40.97	SE
2024-03-08	14:51:45	2'000	41.05	SE	2024-03-11	14:22:44	1'000	40.94	SE
2024-03-11	09:10:42	1'000	40.59	SE	2024-03-11	14:30:06	2°000	40.96	SE
2024-03-11	09:10:42	1'000	40.59	SE	2024-03-11	14:39:35	1'000	41.04	SE
2024-03-11	09:22:18	1'000	40.55	SE	2024-03-11	14:39:35	1'000	41.04	SE
2024-03-11	09:29:21	1'000	40.59	SE	2024-03-11	14:51:01	1'000	40.99	SE
2024-03-11	09:29:21	1'000	40.59	SE	2024-03-12	09:14:43	1'000	41	SE
2024-03-11	09:44:24	1'000	40.55	SE	2024-03-12	09:20:13	2'000	41.01	SE
2024-03-11	09:44:25	1'000	40.55	SE	2024-03-12	09:31:49	1'000	40.96	SE
2024-03-11	09:55:26	1'000	40.45	SE	2024-03-12	09:37:53	1'000	41	SE
2024-03-11	09:55:26	1'000	40.45	SE	2024-03-12	09:37:53	1'000	41	SE
2024-03-11	10:07:39	1'000	40.55	SE	2024-03-12	09:49:06	1'000	40.98	SE
2024-03-11	10:14:04	2'000	40.61	SE	2024-03-12	09:55:49	2°000	41.02	SE
2024-03-11	10:28:11	1'000	40.74	SE	2024-03-12	10:07:31	1'000	41.03	SE
2024-03-11	10:28:11	1'000	40.74	SE	2024-03-12	10:17:29	156	41.01	SE
2024-03-11	10:38:48	1'000	40.68	SE	2024-03-12	10:17:29	1'000	41.01	SE
2024-03-11	10:45:57	1'000	40.70	SE	2024-03-12	10:20:26	1'000	40.99	SE
2024-03-11	10:52:20	1'000	40.78	SE	2024-03-12	10:20:26	1'000	40.99	SE
2024-03-11	11:00:09	1'000	40.82	SE	2024-03-12	10:32:45	844	41.01	SE
2024-03-11	11:00:09	1'000	40.82	SE	2024-03-12	10:37:31	1'000	41.04	SE
2024-03-11	11:12:57	1'000	40.84	SE	2024-03-12	10:43:20	1'000	41.01	SE
2024-03-11	11:12:57	373	40.84	SE	2024-03-12	10:48:40	1'000	40.99	SE
2024-03-11	11:22:48	1'000	40.80	SE	2024-03-12	10:59:05	1'000	40.92	SE
2024-03-11	11:27:36	1'000	40.82	SE	2024-03-12	10:59:05	1'000	40.92	SE
2024-03-11	11:34:10	1'000	40.81	SE	2024-03-12	11:07:20	1'000	40.89	SE
2024-03-11	11:34:10	1'000	40.81	SE	2024-03-12	11:17:45	1,000	40.92	SE
2024-03-11	11:45:46	1'000	40.88	SE	2024-03-12	11:19:14	1'000	40.93	SE
2024-03-11	11:51:59	458	40.84	SE	2024-03-12	11:25:58	1'000	40.86	SE
2024-03-11 2024-03-11	11:51:59 12:03:31	1'000 1'000	40.84 40.92	SE SE	2024-03-12 2024-03-12	11:25:58 11:37:15	1'000 1'000	40.86 40.8	SE SE
2024-03-11	12:03:31	1'000	40.92	SE	2024-03-12	11:45:02	1'000	40.92	SE
2024-03-11	12:14:47	1'000	40.89	SE	2024-03-12	11:45:02	1'000	40.92	SE
2024-03-11	12:14:48	1'000	40.89	SE	2024-03-12	11:55:11	1'000	40.95	SE

2024-03-12	12:01:01	2'000	40.94	SE	2024-03-13	11:25:05	1'000	41.74	SE
2024-03-12	12:15:05	1'000	40.96	SE	2024-03-13	11:28:01	1'000	41.77	SE
2024-03-12	12:23:42	1'000	40.98	SE	2024-03-13	11:34:36	1'000	41.76	SE
2024-03-12	12:25:45	1'000	41	SE	2024-03-13	11:39:15	1'000	41.8	SE
2024-03-12	12:25:45	1'000	41	SE	2024-03-13	11:39:15	1'000	41.8	SE
2024-03-12	12:37:43	1'000	41	SE	2024-03-13	11:50:27	1'000	41.78	SE
2024-03-12	12:43:39	1'000	40.99	SE	2024-03-13	11:56:07	1'000	41.76	SE
2024-03-12	12:43:39	1'000	40.99	SE	2024-03-13	12:02:06	1'000	41.78	SE
2024-03-12	12:56:51	1'000	40.92	SE	2024-03-13	12:10:18	1'000	41.82	SE
2024-03-12	13:01:28	1'000	40.94	SE	2024-03-13	12:10:18	1'000	41.82	SE
2024-03-12	13:01:28	1'000	40.94	SE	2024-03-13	12:20:53	939	41.8	SE
2024-03-12	13:18:48	1'000	40.98	SE	2024-03-13	12:20:53	1'000	41.8	SE
2024-03-12	13:18:53	1'000	40.98	SE	2024-03-13	12:40:05	1'000	41.81	SE
2024-03-12	13:27:00	1'000	41	SE	2024-03-13	12:40:33	1'000	41.81	SE
2024-03-12	13:27:00	1'000	41	SE	2024-03-13	12:43:06	2'000	41.83	SE
2024-03-12	13:34:20	799	41	SE	2024-03-13	12:52:47	1'000	41.81	SE
2024-03-12	13:40:02	2'000	41.04	SE	2024-03-13	12:52:47	1'000	41.81	SE
2024-03-12	13:54:00	1'000	41.08	SE	2024-03-13	13:11:14	1'000	41.75	SE
2024-03-12	13:58:37	1'000	41.06	SE	2024-03-13	13:11:14	1'000	41.75	SE
2024-03-12	14:06:13	1'000	41.05	SE	2024-03-13	13:15:14	2°000	41.78	SE
2024-03-12	14:11:00	1'000	41.04	SE	2024-03-13	13:26:30	2'000	41.78	SE
2024-03-12	14:17:31	1'000	41.04	SE	2024-03-13	13:38:25	1'000	41.75	SE
2024-03-12	14:27:33	2'000	41.06	SE	2024-03-13	13:45:01	2'000	41.77	SE
2024-03-12	14:37:39	1'000	41	SE	2024-03-13	13:57:07	1'000	41.79	SE
2024-03-12	14:41:22	1'000	41.03	SE	2024-03-13	14:01:03	1'000	41.8	SE
2024-03-12	14:41:22	1'000	41.03	SE	2024-03-13	14:09:36	2'000	41.81	SE
2024-03-12	14:52:43	2'000	41.07	SE	2024-03-13	14:20:30	1'000	41.85	SE
2024-03-13	09:09:05	1'000	41.71	SE	2024-03-13	14:20:30	1'000	41.85	SE
2024-03-13	09:09:05	1'000	41.71	SE	2024-03-13	14:30:02	1'000	41.83	SE
2024-03-13	09:16:52	2'000	41.64	SE	2024-03-13	14:35:04	1'000	41.83	SE
2024-03-13	09:32:00	1'000	41.65	SE	2024-03-13	14:40:29	1'000	41.84	SE
2024-03-13 2024-03-13	09:32:00 09:43:16	1'000 304	41.65 41.7	SE SE	2024-03-13 2024-03-13	14:40:29 14:52:32	1'000 1'000	41.84 41.79	SE SE
2024-03-13	09:44:41	1'000	41.69	SE	2024-03-13	14:52:32	1'000	41.79	SE
2024-03-13	09:44:41	1'000	41.69	SE
2024-03-13	09:55:02	1'000	41.7	SE
2024-03-13	10:02:10	1'000	41.75	SE
2024-03-13	10:10:14	1'000	41.79	SE
2024-03-13	10:10:14	1'000	41.79	SE
2024-03-13	10:18:33	1'000	41.71	SE
2024-03-13	10:25:27	1'000	41.68	SE
2024-03-13	10:30:55	1'000	41.77	SE
2024-03-13	10:30:55	1'000	41.77	SE
2024-03-13	10:41:48	1'000	41.75	SE
2024-03-13	10:47:41	1'000	41.71	SE
2024-03-13	10:54:33	2'000	41.65	SE
2024-03-13	11:04:41	1'000	41.7	SE
2024-03-13	11:11:37	1'000	41.73	SE
2024-03-13	11:11:37	1'000	41.73	SE