ABB Ltd

Transaction in Own Shares • Jun 1, 2023

ZURICH, SWITZERLAND, JUNE 1, 2023

ABB share buybacks

May 25, 2023 – May 31, 2023

During the period May 25, 2023, to May 31, 2023, ABB repurchased a total of 336,783 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)
May 25, 2023	66,000	33.198300	2,191,087.80
May 26, 2023	70,000	33.500700	2,345,049.00
May 30, 2023	86,000	33.894700	2,914,944.20
May 31, 2023	114,783	33.619500	3,858,947.05

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 May 31, 2023, is 3,983,783 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	2023-05-25	13:49:00	1,000	33.15	SE
2023-05-25	09:14:49	346	32.88	SE	2023-05-25	14:01:37	1,000	33.16	SE
2023-05-25	09:27:28	449	32.96	SE	2023-05-25	14:15:34	1,000	33.18	SE
2023-05-25	09:34:12	750	32.92	SE	2023-05-25	14:29:34	1,000	33.16	SE
2023-05-25	09:35:35	1,000	32.89	SE	2023-05-25	14:42:16	1,000	33.31	SE
2023-05-25	09:35:36	727	32.87	SE	2023-05-25	14:55:22	1,000	33.36	SE
2023-05-25	09:35:36	1,000	32.88	SE	2023-05-25	15:08:03	1,000	33.33	SE
2023-05-25	09:35:48	1,240	32.88	SE	2023-05-25	15:21:07	1,000	33.38	SE
2023-05-25	09:35:48	1,000	32.87	SE	2023-05-25	15:33:51	1,000	33.38	SE
2023-05-25	09:36:38	1,000	32.86	SE	2023-05-25	15:46:27	1,000	33.37	SE
2023-05-25	09:37:05	592	32.85	SE	2023-05-25	15:59:03	1,000	33.37	SE
2023-05-25	10:02:45	377	32.95	SE	2023-05-25	16:11:39	1,000	33.37	SE
2023-05-25	10:08:38	1,000	33.01	SE	2023-05-25	16:27:18	1,000	33.36	SE
2023-05-25	10:21:36	1,000	33.05	SE	2023-05-25	16:28:30	284	33.39	SE
2023-05-25	10:34:12	1,000	32.96	SE	2023-05-25	16:28:30	284	33.39	SE
2023-05-25	10:39:44	1,206	33.00	SE	2023-05-25	16:28:30	267	33.39	SE
2023-05-25	10:52:45	750	33.09	SE	2023-05-25	16:28:30	1,000	33.39	SE
2023-05-25	11:17:57	164	33.14	SE	2023-05-25	16:28:30	1,240	33.39	SE
2023-05-25	11:27:55	1,000	33.15	SE	2023-05-25	16:28:30	1,000	33.39	SE
2023-05-25	11:30:58	1,000	33.16	SE	2023-05-25	16:28:30	377	33.39	SE
2023-05-25	11:56:12	137	33.21	SE	2023-05-25	16:28:30	1,240	33.39	SE
2023-05-25	12:04:51	1,000	33.23	SE	2023-05-25	16:29:30	1,000	33.38	SE
2023-05-25	12:17:27	1,000	33.27	SE	2023-05-25	16:29:30	1,000	33.38	SE
2023-05-25	12:30:16	1,000	33.24	SE	2023-05-25	16:29:31	1,000	33.38	SE
2023-05-25	12:42:52	1,000	33.22	SE	2023-05-25	16:33:10	1,000	33.33	SE
2023-05-25	12:55:29	1,000	33.18	SE	2023-05-25	16:33:10	1,000	33.33	SE
2023-05-25	13:03:51	1,240	33.17	SE	2023-05-25	16:33:11	1,000	33.33	SE
2023-05-25	13:03:51	1,000	33.19	SE	2023-05-25	16:36:48	1,000	33.34	SE
2023-05-25	13:03:54	190	33.17	SE	2023-05-25	16:36:49	1,000	33.34	SE
2023-05-25	13:04:07	1,000	33.16	SE	2023-05-25	16:36:49	1,000	33.34	SE
2023-05-25	13:04:07	1,000	33.17	SE	2023-05-25	16:38:37	1,000	33.34	SE
2023-05-25	13:04:07	1,000	33.18	SE	2023-05-25	16:40:28	1,000	33.35	SE
2023-05-25	13:05:05	1,000	33.13	SE	2023-05-25	16:42:59	856	33.38	SE
2023-05-25	13:13:17	1,000	33.11	SE	2023-05-25	16:42:59	44	33.38	SE
2023-05-25	13:13:45	1,240	33.13	SE	2023-05-26	09:26:03	1,000	33.56	SE
2023-05-25	13:13:59	1,000	33.13	SE	2023-05-26	09:38:55	1,000	33.48	SE
2023-05-25	13:14:15	1,000	33.12	SE	2023-05-26	09:39:00	1,000	33.48	SE
2023-05-25	13:27:01	1,000	33.15	SE	2023-05-26	09:39:43	377	33.46	SE
2023-05-25	13:34:50	1,000	33.15	SE	2023-05-26	09:39:45	1,240	33.47	SE
2023-05-25	13:34:57	1,000	33.15	SE	2023-05-26	09:39:51	1,000	33.46	SE
2023-05-25	13:35:39	1,000	33.14	SE	2023-05-26	09:39:51	1,000	33.46	SE

2023-05-26	09:52:29	2,000	33.47	SE	2023-05-26	15:16:08	1,000	33.56	SE
2023-05-26	09:56:47	2,000	33.50	SE	2023-05-26	15:16:08	1,000	33.56	SE
2023-05-26	10:23:47	1,000	33.49	SE	2023-05-26	15:29:13	1,000	33.57	SE
2023-05-26	10:24:02	1,000	33.49	SE	2023-05-26	15:29:13	1,000	33.57	SE
2023-05-26	10:36:39	1,000	33.42	SE	2023-05-26	15:38:42	1,000	33.60	SE
2023-05-26	10:36:39	1,000	33.42	SE	2023-05-26	15:41:30	1,000	33.62	SE
2023-05-26	10:51:13	1,000	33.48	SE	2023-05-26	15:41:53	1,000	33.64	SE
2023-05-26	10:52:30	1,000	33.47	SE	2023-05-26	15:41:53	1,000	33.64	SE
2023-05-26	10:52:34	1,000	33.47	SE	2023-05-26	15:43:16	2,000	33.61	SE
2023-05-26	11:04:49	1,000	33.46	SE	2023-05-26	16:08:37	1,000	33.61	SE
2023-05-26	11:04:49	1,000	33.46	SE	2023-05-26	16:18:33	383	33.64	SE
2023-05-26	11:05:00	1,000	33.48	SE	2023-05-30	09:05:35	2,000	33.66	SE
2023-05-26	11:05:00	1,000	33.48	SE	2023-05-30	09:13:24	2,000	33.64	SE
2023-05-26	11:05:01	1,000	33.47	SE	2023-05-30	09:13:53	2,000	33.65	SE
2023-05-26	11:05:01	1,000	33.47	SE	2023-05-30	09:40:41	1,000	33.82	SE
2023-05-26	11:05:14	1,000	33.45	SE	2023-05-30	09:40:43	1,000	33.81	SE
2023-05-26	11:05:30	1,000	33.45	SE	2023-05-30	09:40:43	1,000	33.81	SE
2023-05-26	11:05:30	1,000	33.45	SE	2023-05-30	09:43:40	2,000	33.81	SE
2023-05-26	11:10:09	1,000	33.42	SE	2023-05-30	10:08:52	1,000	33.79	SE
2023-05-26	11:10:09	1,000	33.42	SE	2023-05-30	10:08:52	1,000	33.79	SE
2023-05-26	11:10:09	1,000	33.42	SE	2023-05-30	10:11:33	1,000	33.78	SE
2023-05-26	11:10:11	1,000	33.41	SE	2023-05-30	10:11:33	1,000	33.78	SE
2023-05-26	11:10:11	1,000	33.41	SE	2023-05-30	10:24:08	1,000	33.73	SE
2023-05-26	11:24:03	1,000	33.39	SE	2023-05-30	10:24:09	1,000	33.73	SE
2023-05-26	11:24:28	1,000	33.40	SE	2023-05-30	10:31:58	2,000	33.67	SE
2023-05-26	11:24:29	1,000	33.40	SE	2023-05-30	10:32:37	2,000	33.66	SE
2023-05-26	11:37:10	1,000	33.40	SE	2023-05-30	10:38:21	2,000	33.69	SE
2023-05-26	11:37:12	1,000	33.41	SE	2023-05-30	10:38:47	2,000	33.70	SE
2023-05-26	11:37:38	1,000	33.43	SE	2023-05-30	11:41:09	2,000	33.83	SE
2023-05-26	11:37:45	1,000	33.43	SE	2023-05-30	12:11:29	1,000	33.99	SE
2023-05-26	11:38:26	1,000	33.43	SE	2023-05-30	12:11:29	1,000	33.99	SE
2023-05-26	11:38:43	1,000	33.43	SE	2023-05-30	12:11:36	1,000	34.00	SE
2023-05-26	13:05:41	2,000	33.51	SE	2023-05-30	12:11:36	1,000	34.00	SE
2023-05-26	13:57:13	1,000	33.55	SE	2023-05-30	12:11:37	1,000	34.00	SE
2023-05-26	13:57:13	1,000	33.55	SE	2023-05-30	12:24:57	1,000	34.00	SE
2023-05-26	14:03:52	1,000	33.55	SE	2023-05-30	12:24:57	1,000	34.00	SE
2023-05-26	14:03:52	1,000	33.55	SE	2023-05-30	12:37:49	1,000	33.99	SE
2023-05-26	14:16:43	1,000	33.55	SE	2023-05-30	12:37:49	1,000	33.99	SE
2023-05-26	14:16:43	1,000	33.55	SE	2023-05-30	12:50:16	1,000	34.00	SE
2023-05-26	14:30:32	1,000	33.54	SE	2023-05-30	13:16:13	1,000	33.96	SE
2023-05-26	14:30:42	1,000	33.54	SE	2023-05-30	13:16:13	1,000	33.96	SE
2023-05-26	14:30:43	1,000	33.54	SE	2023-05-30	13:20:21	2,000	33.99	SE
2023-05-26	14:38:11	1,000	33.53	SE	2023-05-30	13:20:24	2,000	33.98	SE
2023-05-26	14:38:12	1,000	33.53	SE	2023-05-30	14:43:10	1,000	34.04	SE
2023-05-26	14:50:48	1,000	33.59	SE	2023-05-30	14:43:10	1,000	34.04	SE
2023-05-26	14:50:53	1,000	33.59	SE	2023-05-30	14:43:41	1,000	34.04	SE
2023-05-26	14:50:53	1,000	33.59	SE	2023-05-30	14:43:41	1,000	34.04	SE
2023-05-26	15:03:32	1,000	33.55	SE	2023-05-30	14:46:20	2,000	34.02	SE
2023-05-26	15:03:32	1,000	33.55	SE	2023-05-30	14:46:21	2,000	34.01	SE

2023-05-30	15:02:28	2,000	34.04	SE	2023-05-31	11:19:46	1,000	33.73	SE
2023-05-30	15:15:08	2,000	34.03	SE	2023-05-31	11:19:46	1,000	33.73	SE
2023-05-30	15:27:09	2,000	34.04	SE	2023-05-31	11:19:47	1,000	33.73	SE
2023-05-30	15:29:36	1,000	34.05	SE	2023-05-31	11:20:02	1,000	33.74	SE
2023-05-30	15:29:49	1,000	34.06	SE	2023-05-31	11:20:02	1,000	33.74	SE
2023-05-30	15:30:11	1,000	34.07	SE	2023-05-31	11:33:02	1,000	33.76	SE
2023-05-30	15:30:11	1,000	34.07	SE	2023-05-31	11:33:02	1,000	33.76	SE
2023-05-30	15:30:39	2,000	34.07	SE	2023-05-31	11:33:16	2,000	33.76	SE
2023-05-30	15:30:42	2,000	34.06	SE	2023-05-31	11:33:25	2,000	33.75	SE
2023-05-30	15:56:22	555	33.95	SE	2023-05-31	11:33:26	2,000	33.75	SE
2023-05-30	16:09:12	1,000	33.91	SE	2023-05-31	12:31:33	2,000	33.77	SE
2023-05-30	16:09:18	1,000	33.91	SE	2023-05-31	13:26:05	2,000	33.87	SE
2023-05-30	16:09:29	2,000	33.90	SE	2023-05-31	13:26:08	2,000	33.86	SE
2023-05-30	16:15:36	1,000	33.86	SE	2023-05-31	13:26:11	2,000	33.85	SE
2023-05-30	16:15:36	1,000	33.86	SE	2023-05-31	14:48:35	1,000	33.85	SE
2023-05-30	16:16:12	1,000	33.87	SE	2023-05-31	14:48:59	1,000	33.85	SE
2023-05-30	16:16:12	1,000	33.87	SE	2023-05-31	14:48:59	1,000	33.85	SE
2023-05-30	16:19:57	1,445	33.92	SE	2023-05-31	14:49:00	1,000	33.85	SE
2023-05-30	16:43:39	1,240	33.88	SE	2023-05-31	14:49:02	1,000	33.85	SE
2023-05-30	16:48:10	438	33.85	SE	2023-05-31	14:56:24	2,000	33.79	SE
2023-05-30	16:48:11	442	33.85	SE	2023-05-31	14:56:35	2,000	33.79	SE
2023-05-30	16:48:11	420	33.85	SE	2023-05-31	14:56:41	2,000	33.78	SE
2023-05-30	16:49:01	445	33.85	SE	2023-05-31	15:29:58	2,000	33.79	SE
2023-05-30	16:49:01	880	33.85	SE	2023-05-31	15:30:01	2,000	33.78	SE
2023-05-30	16:51:11	439	33.88	SE	2023-05-31	15:59:22	2,000	33.78	SE
2023-05-30	16:51:11	1,240	33.88	SE	2023-05-31	16:03:27	1,000	33.75	SE
2023-05-30	16:54:08	1,240	33.88	SE	2023-05-31	16:03:28	1,000	33.75	SE
2023-05-30	16:54:27	1,216	33.88	SE	2023-05-31	16:03:33	1,000	33.75	SE
2023-05-30	16:55:01	1,240	33.88	SE	2023-05-31	16:03:51	1,000	33.75	SE
2023-05-30	16:55:29	589	33.86	SE	2023-05-31	16:03:53	1,000	33.75	SE
2023-05-30	16:55:29	531	33.86	SE	2023-05-31	16:04:08	2,000	33.73	SE
2023-05-30	16:55:46	640	33.88	SE	2023-05-31	16:06:18	1,000	33.71	SE
2023-05-31	09:03:26	2,000	33.25	SE	2023-05-31	16:06:18	1,000	33.71	SE
2023-05-31	09:04:07	1,000	33.35	SE	2023-05-31	16:06:43	1,000	33.69	SE
2023-05-31	09:04:59	1,000	33.44	SE	2023-05-31	16:06:43	1,000	33.70	SE
2023-05-31	09:04:59	1,000	33.44	SE	2023-05-31	16:06:44	1,000	33.69	SE
2023-05-31	09:09:37	2,000	33.47	SE	2023-05-31	16:06:57	1,000	33.69	SE
2023-05-31	09:09:39	2,000	33.46	SE	2023-05-31	16:06:57	1,000	33.69	SE
2023-05-31	09:10:51	2,000	33.45	SE	2023-05-31	16:07:39	1,000	33.69	SE
2023-05-31	09:11:31	2,000	33.41	SE	2023-05-31	16:07:40	1,000	33.69	SE
2023-05-31	09:13:13	2,000	33.47	SE	2023-05-31	16:10:28	1,000	33.68	SE
2023-05-31	09:53:08	1,000	33.72	SE	2023-05-31	16:10:28	1,000	33.68	SE
2023-05-31	09:59:07	1,000	33.81	SE	2023-05-31	16:11:17	1,638	33.62	SE
2023-05-31	10:17:43	1,000	33.79	SE	2023-05-31	16:12:35	1,000	33.61	SE
2023-05-31	10:17:44	1,000	33.79	SE	2023-05-31	16:12:35	1,000	33.61	SE
2023-05-31	10:24:32	1,000	33.74	SE	2023-05-31	16:19:32	1,000	33.58	SE
2023-05-31	10:28:41	1,000	33.71	SE	2023-05-31	16:19:33	1,000	33.58	SE
2023-05-31 2023-05-31	10:33:53 10:34:07	145 1,000	33.74 33.74	SE SE	2023-05-31 2023-05-31	16:19:50 16:20:08	1,000 1,000	33.58 33.58	SE SE

2023-05-31	16:23:52	1,000	33.56	SE
2023-05-31	16:23:52	1,000	33.56	SE
2023-05-31	16:24:11	1,000	33.56	SE
2023-05-31	16:24:11	1,000	33.56	SE
2023-05-31	16:25:10	1,000	33.54	SE
2023-05-31	16:25:10	1,000	33.54	SE
2023-05-31	16:27:09	2,000	33.45	SE
2023-05-31	16:29:19	2,000	33.45	SE
2023-05-31	16:31:57	1,000	33.42	SE
2023-05-31	16:31:58	1,000	33.42	SE
2023-05-31	16:38:45	1,000	33.34	SE
2023-05-31	16:38:45	1,000	33.34	SE
2023-05-31	16:38:56	1,000	33.35	SE
2023-05-31	16:38:56	1,000	33.35	SE
2023-05-31	16:40:20	1,000	33.33	SE
2023-05-31	16:40:20	1,000	33.33	SE
2023-05-31	16:41:44	2,000	33.34	SE
2023-05-31	16:41:46	2,000	33.33	SE
2023-05-31	16:42:28	1,000	33.37	SE
2023-05-31	16:42:28	1,000	33.37	SE
2023-05-31	16:43:05	1,000	33.38	SE
2023-05-31	16:43:05	1,000	33.38	SE
2023-05-31	16:43:12	1,000	33.38	SE
2023-05-31	16:43:12	1,000	33.38	SE
2023-05-31	16:43:14	1,000	33.38	SE