ABB Ltd

Transaction in Own Shares • May 25, 2023

ZURICH, SWITZERLAND, MAY 25, 2023

ABB share buybacks

May 18, 2023 – May 24, 2023

During the period May 18, 2023, to May 24, 2023, ABB repurchased a total of 361,000 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 19, 2023	67,000	34.027700	2,279,855.90
May 22, 2023	82,000	33.747700	2,767,311.40
May 23, 2023	101,000	33.446800	3,378,126.80
May 24, 2023	111,000	32.819100	3,642,920.10

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 24, 2023, is 3,647,000 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	2023-05-19	15:22:48	1,000	34.06	SE
2023-05-19	9:16:17	1,000	33.69	SE	2023-05-19	15:22:48	1,000	34.06	SE
2023-05-19	9:16:50	1,000	33.68	SE	2023-05-19	15:31:47	1,029	34.05	SE
2023-05-19	9:30:04	1,000	33.68	SE	2023-05-19	15:42:09	1,000	34.09	SE
2023-05-19	9:43:08	1,000	33.68	SE	2023-05-19	15:42:09	1,000	34.09	SE
2023-05-19	9:47:27	1,000	33.72	SE	2023-05-19	15:42:28	1,000	34.09	SE
2023-05-19	10:00:06	1,000	33.85	SE	2023-05-19	15:47:09	1,107	34.10	SE
2023-05-19	10:12:42	1,000	33.81	SE	2023-05-19	15:48:39	1,000	34.10	SE
2023-05-19	10:25:31	1,000	33.83	SE	2023-05-19	15:48:39	1,000	34.10	SE
2023-05-19	10:40:07	1,000	33.88	SE	2023-05-19	15:48:41	1,000	34.10	SE
2023-05-19	10:50:11	1,000	33.92	SE	2023-05-19	16:01:21	1,000	34.20	SE
2023-05-19	10:50:38	1,000	33.93	SE	2023-05-19	16:01:21	1,000	34.20	SE
2023-05-19	11:02:13	1,000	33.92	SE	2023-05-19	16:08:33	1,000	34.13	SE
2023-05-19	11:02:14	1,000	33.92	SE	2023-05-19	16:08:33	1,000	34.13	SE
2023-05-19	11:14:57	1,000	33.95	SE	2023-05-19	16:08:59	1,000	34.14	SE
2023-05-19	11:25:46	1,000	33.90	SE	2023-05-19	16:08:59	1,000	34.14	SE
2023-05-19	11:30:05	1,000	33.92	SE	2023-05-19	16:16:53	1,000	34.11	SE
2023-05-19	11:43:17	1,000	33.98	SE	2023-05-19	16:19:15	1,000	34.11	SE
2023-05-19	11:57:26	1,000	34.00	SE	2023-05-19	16:19:15	1,000	34.11	SE
2023-05-19	12:00:00	1,000	34.00	SE	2023-05-19	16:19:15	1,000	34.11	SE
2023-05-19	13:48:47	1,000	34.09	SE	2023-05-19	16:19:17	1,000	34.11	SE
2023-05-19	13:48:52	1,000	34.09	SE	2023-05-19	16:19:17	1,000	34.11	SE
2023-05-19	13:48:56	1,000	34.09	SE	2023-05-19	16:19:17	1,000	34.11	SE
2023-05-19	14:22:32	1,000	34.08	SE	2023-05-19	16:19:17	1,000	34.11	SE
2023-05-19	14:33:20	1,000	34.09	SE	2023-05-19	16:19:26	1,000	34.11	SE
2023-05-19	14:36:40	1,000	34.08	SE	2023-05-19	16:24:41	1,000	34.09	SE
2023-05-19	14:36:40	1,000	34.08	SE	2023-05-19	16:24:41	1,000	34.09	SE
2023-05-19	14:36:42	1,000	34.08	SE	2023-05-19	16:24:44	1,369	34.10	SE
2023-05-19	14:36:42	1,000	34.08	SE	2023-05-22	9:16:02	397	33.77	SE
2023-05-19	14:36:47	1,000	34.08	SE	2023-05-22	9:30:27	1,000	33.73	SE
2023-05-19	14:36:47	1,000	34.08	SE	2023-05-22	9:30:56	1,000	33.74	SE
2023-05-19	14:36:49	1,000	34.08	SE	2023-05-22	9:31:57	1,000	33.72	SE
2023-05-19	14:36:56	1,000	34.08	SE	2023-05-22	9:32:20	1,000	33.70	SE
2023-05-19	14:47:42	1,000	34.09	SE	2023-05-22	9:33:28	1,000	33.73	SE
2023-05-19	14:47:42	1,000	34.09	SE	2023-05-22	9:34:42	1,000	33.76	SE
2023-05-19	14:50:00	1,000	34.08	SE	2023-05-22	9:35:27	1,000	33.78	SE
2023-05-19	14:50:00	1,000	34.08	SE	2023-05-22	9:35:27	1,000	33.78	SE
2023-05-19	14:57:32	1	34.06	SE	2023-05-22	9:45:47	1,000	33.82	SE
2023-05-19	14:57:32	1,000	34.06	SE	2023-05-22	9:48:05	1,000	33.82	SE
2023-05-19	15:10:09	494	34.01	SE	2023-05-22	9:50:10	1,000	33.83	SE
2023-05-19	15:10:09	1,000	34.01	SE	2023-05-22	9:50:10	1,000	33.83	SE

2023-05-22	10:02:55	1,000	33.73	SE	2023-05-22	15:44:37	1,000	33.80	SE
2023-05-22	10:02:55	1,000	33.73	SE	2023-05-22	15:57:14	1,000	33.78	SE
2023-05-22	10:15:31	1,000	33.78	SE	2023-05-22	15:57:14	1,000	33.78	SE
2023-05-22	10:15:31	1,000	33.78	SE	2023-05-22	16:06:22	1,000	33.65	SE
2023-05-22	10:28:08	1,000	33.76	SE	2023-05-22	16:10:47	1,000	33.61	SE
2023-05-22	10:30:34	1,000	33.76	SE	2023-05-22	16:10:47	1,000	33.61	SE
2023-05-22	10:30:34	1,000	33.76	SE	2023-05-22	16:11:07	911	33.63	SE
2023-05-22	10:48:18	1,000	33.72	SE	2023-05-22	16:23:45	1,000	33.70	SE
2023-05-22	10:48:19	1,000	33.71	SE	2023-05-22	16:23:45	1,000	33.70	SE
2023-05-22	10:49:30	1,000	33.71	SE	2023-05-22	16:28:43	1,000	33.70	SE
2023-05-22	10:49:30	1,000	33.71	SE	2023-05-22	16:28:43	1,000	33.70	SE
2023-05-22	11:02:05	1,000	33.74	SE	2023-05-22	16:28:59	1,000	33.70	SE
2023-05-22	11:02:07	1,000	33.74	SE	2023-05-22	16:28:59	1,000	33.70	SE
2023-05-22	11:14:43	1,000	33.72	SE	2023-05-22	16:30:02	1,000	33.71	SE
2023-05-22	11:14:55	1,000	33.72	SE	2023-05-22	16:30:02	1,000	33.71	SE
2023-05-22	11:27:41	1,000	33.71	SE	2023-05-22	16:36:36	1,000	33.72	SE
2023-05-22	11:27:52	1,000	33.72	SE	2023-05-22	16:36:36	1,000	33.72	SE
2023-05-22	11:27:56	1,000	33.72	SE	2023-05-22	16:41:01	1,000	33.78	SE
2023-05-22	11:40:02	2,000	33.74	SE	2023-05-22	16:41:01	1,000	33.78	SE
2023-05-22	12:07:19	1,000	33.76	SE	2023-05-22	16:41:04	692	33.77	SE
2023-05-22	12:07:19	1,000	33.76	SE	2023-05-23	9:09:27	901	33.47	SE
2023-05-22	12:20:05	1,000	33.76	SE	2023-05-23	9:09:51	1,000	33.47	SE
2023-05-22	12:20:05	1,000	33.76	SE	2023-05-23	9:09:51	1,000	33.47	SE
2023-05-22	12:33:29	1,000	33.73	SE	2023-05-23	9:09:58	1,000	33.47	SE
2023-05-22	12:33:29	1,000	33.73	SE	2023-05-23	9:10:27	1,000	33.46	SE
2023-05-22	12:46:22	1,000	33.72	SE	2023-05-23	9:10:41	668	33.48	SE
2023-05-22	12:47:22	1,000	33.73	SE	2023-05-23	9:11:18	1,000	33.50	SE
2023-05-22	12:47:23	1,000	33.73	SE	2023-05-23	9:11:18	1,000	33.50	SE
2023-05-22	13:00:01	1,000	33.76	SE	2023-05-23	9:14:58	318	33.52	SE
2023-05-22	13:00:02	1,000	33.76	SE	2023-05-23	9:17:22	1,000	33.56	SE
2023-05-22	13:13:49	1,000	33.75	SE	2023-05-23	9:52:39	1,000	33.50	SE
2023-05-22	13:14:19	1,000	33.76	SE	2023-05-23	9:53:11	1,000	33.50	SE
2023-05-22	13:14:23	1,000	33.76	SE	2023-05-23	9:53:18	1,000	33.50	SE
2023-05-22	13:27:01	1,000	33.75	SE	2023-05-23	9:53:34	1,000	33.51	SE
2023-05-22	13:27:01	1,000	33.75	SE	2023-05-23	9:53:37	1,000	33.51	SE
2023-05-22	13:40:00	1,000	33.78	SE	2023-05-23	10:05:42	1,000	33.50	SE
2023-05-22	13:40:00	1,000	33.78	SE	2023-05-23	10:06:18	1,000	33.50	SE
2023-05-22	13:52:49	1,000	33.79	SE	2023-05-23	10:06:33	1,000	33.50	SE
2023-05-22	13:54:02	1,000	33.80	SE	2023-05-23	10:06:38	1,000	33.50	SE
2023-05-22	13:55:13	1,000	33.80	SE	2023-05-23	10:06:52	1,000	33.50	SE
2023-05-22	13:55:14	1,000	33.80	SE	2023-05-23	10:06:52	1,000	33.50	SE
2023-05-22	15:04:25	1,000	33.79	SE	2023-05-23	10:18:35	1,000	33.48	SE
2023-05-22	15:05:12	1,000	33.79	SE	2023-05-23	10:18:35	1,000	33.48	SE
2023-05-22	15:05:12	1,000	33.79	SE	2023-05-23	10:31:24	1,000	33.43	SE
2023-05-22	15:19:23	1,000	33.79	SE	2023-05-23	10:31:27	1,000	33.44	SE
2023-05-22	15:19:23	1,000	33.79	SE	2023-05-23	10:31:53	1,000	33.45	SE
2023-05-22	15:32:00	1,000	33.82	SE	2023-05-23	10:32:47	1,000	33.47	SE
2023-05-22	15:32:00	1,000	33.82	SE	2023-05-23	10:33:16	1,000	33.47	SE
2023-05-22	15:44:37	1,000	33.80	SE	2023-05-23	10:45:03	1,000	33.43	SE

2023-05-23	10:45:07	1,000	33.43	SE	2023-05-23	16:18:41	1,000	33.42	SE
2023-05-23	10:45:09	1,000	33.43	SE	2023-05-23	16:18:54	1,000	33.42	SE
2023-05-23	10:57:00	1,000	33.39	SE	2023-05-23	16:18:54	1,000	33.42	SE
2023-05-23	10:58:11	1,000	33.39	SE	2023-05-23	16:18:56	1,000	33.42	SE
2023-05-23	10:58:11	1,000	33.39	SE	2023-05-23	16:18:57	1,000	33.42	SE
2023-05-23	11:09:50	1,000	33.42	SE	2023-05-23	16:29:58	1,000	33.43	SE
2023-05-23	11:10:06	1,000	33.43	SE	2023-05-23	16:29:58	1,000	33.43	SE
2023-05-23	11:10:06	1,000	33.43	SE	2023-05-23	16:39:37	1,000	33.43	SE
2023-05-23	11:21:47	1,000	33.44	SE	2023-05-23	16:39:37	1,000	33.43	SE
2023-05-23	11:21:47	1,000	33.44	SE	2023-05-23	16:39:51	1,000	33.43	SE
2023-05-23	11:34:15	1,000	33.45	SE	2023-05-23	16:39:51	1,000	33.43	SE
2023-05-23	11:34:15	1,000	33.45	SE	2023-05-23	16:39:52	1,000	33.43	SE
2023-05-23	11:47:33	1,000	33.46	SE	2023-05-23	16:39:52	1,000	33.43	SE
2023-05-23	11:47:35	1,000	33.47	SE	2023-05-23	16:40:15	1,000	33.43	SE
2023-05-23	11:47:35	1,000	33.47	SE	2023-05-23	16:40:15	586	33.43	SE
2023-05-23	11:59:15	1,000	33.45	SE	2023-05-23	16:40:24	1,000	33.43	SE
2023-05-23	11:59:15	1,000	33.45	SE	2023-05-23	16:40:24	1,000	33.43	SE
2023-05-23	12:10:55	1,000	33.42	SE	2023-05-23	16:40:26	1,000	33.43	SE
2023-05-23	12:10:56	1,000	33.42	SE	2023-05-23	16:40:38	1,000	33.43	SE
2023-05-23	12:22:36	1,000	33.43	SE	2023-05-23	16:41:35	1,000	33.43	SE
2023-05-23	12:22:36	1,000	33.43	SE	2023-05-23	16:41:35	1,000	33.43	SE
2023-05-23	12:30:10	389	33.40	SE	2023-05-23	16:41:39	1,000	33.42	SE
2023-05-23	14:04:08	1,000	33.39	SE	2023-05-23	16:41:43	1,000	33.42	SE
2023-05-23	14:04:14	1,000	33.39	SE	2023-05-23	16:43:09	1,000	33.41	SE
2023-05-23	14:16:05	1,000	33.41	SE	2023-05-23	16:43:12	1,000	33.41	SE
2023-05-23	14:16:10	1,000	33.41	SE	2023-05-23	16:44:46	138	33.39	SE
2023-05-23	14:27:51	1,000	33.43	SE	2023-05-24	9:07:44	1,000	32.97	SE
2023-05-23	14:29:42	1,000	33.43	SE	2023-05-24	9:10:48	1,000	33.02	SE
2023-05-23	14:29:42	1,000	33.43	SE	2023-05-24	9:10:51	1,000	33.04	SE
2023-05-23	14:41:22	1,000	33.44	SE	2023-05-24	9:10:59	1,000	33.04	SE
2023-05-23	14:41:22	1,000	33.44	SE	2023-05-24	9:12:43	1,000	33.06	SE
2023-05-23	14:54:09	1,000	33.45	SE	2023-05-24	9:26:35	1,000	33.02	SE
2023-05-23	14:54:57	1,000	33.46	SE	2023-05-24	9:40:12	1,000	32.90	SE
2023-05-23	14:54:57	1,000	33.46	SE	2023-05-24	9:42:40	1,000	32.87	SE
2023-05-23	15:06:53	1,000	33.50	SE	2023-05-24	9:55:46	1,000	32.85	SE
2023-05-23	15:06:53	1,000	33.50	SE	2023-05-24	10:08:25	1,000	32.93	SE
2023-05-23	15:18:33	1,000	33.48	SE	2023-05-24	10:21:09	1,000	32.79	SE
2023-05-23	15:18:33	1,000	33.48	SE	2023-05-24	10:24:11	2,000	32.79	SE
2023-05-23	15:30:17	1,000	33.48	SE	2023-05-24	10:26:59	1,000	32.82	SE
2023-05-23	15:30:17	1,000	33.48	SE	2023-05-24	10:26:59	1,000	32.81	SE
2023-05-23	15:42:26	1,000	33.38	SE	2023-05-24	10:27:06	1,000	32.79	SE
2023-05-23	15:42:31	1,000	33.38	SE	2023-05-24	10:39:49	1,000	32.82	SE
2023-05-23	15:54:16	1,000	33.44	SE	2023-05-24	10:42:20	1,000	32.86	SE
2023-05-23	15:54:22	1,000	33.45	SE	2023-05-24	10:42:22	1,000	32.86	SE
2023-05-23	15:54:22	1,000	33.45	SE	2023-05-24	10:42:28	1,000	32.86	SE
2023-05-23	16:13:34	1,000	33.43	SE	2023-05-24	10:42:29	1,000	32.86	SE
2023-05-23	16:13:34	1,000	33.43	SE	2023-05-24	10:42:31	1,000	32.86	SE
2023-05-23	16:18:40	1,000	33.42	SE	2023-05-24	11:07:58	1,000	32.92	SE
2023-05-23	16:18:41	1,000	33.42	SE	2023-05-24	11:08:05	1,000	32.92	SE

2023-05-24	11:08:05	1,000	32.92	SE	2023-05-24	15:56:29	1,000	32.69	SE
2023-05-24	11:20:41	1,000	32.90	SE	2023-05-24	15:56:47	1,000	32.70	SE
2023-05-24	11:20:42	1,000	32.90	SE	2023-05-24	15:56:49	1,000	32.70	SE
2023-05-24	11:33:39	1,000	32.84	SE	2023-05-24	15:57:29	1,000	32.73	SE
2023-05-24	11:33:57	1,000	32.85	SE	2023-05-24	15:57:29	1,000	32.73	SE
2023-05-24	11:33:57	1,000	32.85	SE	2023-05-24	15:57:30	1,000	32.72	SE
2023-05-24	11:46:41	1,000	32.85	SE	2023-05-24	15:57:30	1,000	32.72	SE
2023-05-24	11:46:42	1,000	32.85	SE	2023-05-24	16:16:07	1,000	32.68	SE
2023-05-24	11:52:16	1,000	32.84	SE	2023-05-24	16:16:14	1,000	32.68	SE
2023-05-24	11:59:17	1,000	32.84	SE	2023-05-24	16:34:52	1,000	32.73	SE
2023-05-24	11:59:17	1,000	32.84	SE	2023-05-24	16:34:52	1,000	32.73	SE
2023-05-24	12:12:22	1,000	32.82	SE	2023-05-24	16:40:07	1,000	32.74	SE
2023-05-24	12:13:25	1,000	32.85	SE	2023-05-24	16:40:08	1,000	32.75	SE
2023-05-24	12:13:25	1,000	32.85	SE	2023-05-24	16:40:08	1,000	32.75	SE
2023-05-24	12:28:54	1,000	32.85	SE	2023-05-24	16:40:09	1,000	32.75	SE
2023-05-24	12:28:55	1,000	32.85	SE	2023-05-24	16:40:09	1,000	32.75	SE
2023-05-24	12:41:31	1,000	32.83	SE	2023-05-24	16:40:11	1,000	32.74	SE
2023-05-24	12:41:31	1,000	32.83	SE	2023-05-24	16:40:37	1,000	32.75	SE
2023-05-24	12:54:18	1,000	32.83	SE	2023-05-24	16:40:37	1,000	32.75	SE
2023-05-24	12:55:00	1,000	32.83	SE	2023-05-24	16:40:38	1,000	32.75	SE
2023-05-24	12:55:00	1,000	32.83	SE	2023-05-24	16:41:33	221	32.75	SE
2023-05-24	13:07:37	1,000	32.83	SE	2023-05-24	16:41:33	1,000	32.75	SE
2023-05-24	13:07:37	1,000	32.83	SE	2023-05-24	16:41:34	1,000	32.75	SE
2023-05-24	13:20:24	1,000	32.84	SE	2023-05-24	16:41:34	1,000	32.75	SE
2023-05-24	13:20:48	1,000	32.84	SE	2023-05-24	16:46:13	1,000	32.78	SE
2023-05-24	13:20:48	1,000	32.84	SE	2023-05-24	16:46:45	1,000	32.81	SE
2023-05-24	13:33:25	1,000	32.83	SE	2023-05-24	16:46:45	1,000	32.81	SE
2023-05-24	13:33:25	1,000	32.83	SE	2023-05-24	16:46:46	1,000	32.81	SE
2023-05-24	13:46:01	1,000	32.82	SE	2023-05-24	16:46:46	1,000	32.81	SE
2023-05-24	13:46:01	1,000	32.82	SE	2023-05-24	16:46:47	1,000	32.81	SE
2023-05-24	14:00:02	1,000	32.79	SE	2023-05-24	16:46:47	1,000	32.80	SE
2023-05-24	14:00:30	1,000	32.80	SE	2023-05-24	16:46:47	1,000	32.80	SE
2023-05-24	14:00:32	1,000	32.80	SE	2023-05-24	16:46:48	1,000	32.80	SE
2023-05-24	14:13:41	1,000	32.87	SE	2023-05-24	16:46:48	1,000	32.81	SE
2023-05-24	14:14:05	1,000	32.87	SE	2023-05-24	16:46:49	1,000	32.81	SE
2023-05-24	14:26:43	1,000	32.87	SE	2023-05-24	16:46:49	1,000	32.81	SE
2023-05-24	14:26:50	1,000	32.87	SE	2023-05-24	16:46:50	1,000	32.81	SE
2023-05-24	14:51:48	1,000	32.84	SE	2023-05-24	16:46:53	1,000	32.81	SE
2023-05-24	14:51:48	1,000	32.84	SE	2023-05-24	16:50:57	779	32.86	SE
2023-05-24	15:10:09	1,000	32.86	SE
2023-05-24	15:10:09	1,000	32.86	SE
2023-05-24	15:28:59	1,000	32.83	SE
2023-05-24	15:28:59	1,000	32.83	SE
2023-05-24	15:40:12	1,000	32.73	SE
2023-05-24	15:40:13	1,000	32.73	SE
2023-05-24	15:40:14	1,000	32.73	SE
2023-05-24	15:40:16	1,000	32.73	SE
2023-05-24 2023-05-24	15:56:28	1,000	32.69	SE
	15:56:28	1,000	32.69	SE