ABB Ltd

Transaction in Own Shares • Aug 24, 2023

ZURICH, SWITZERLAND, AUGUST 24, 2023

ABB share buybacks

August 17, 2023 – August 23, 2023

During the period August 17, 2023, to August 23, 2023, ABB repurchased a total of 405,000 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)
Aug 17, 2023	103'000	32.915000	3'390'245.00
Aug 18, 2023	66'000	32.435300	2'140'729.80
Aug 21, 2023	95'000	32.691200	3'105'664.00
Aug 22, 2023	77'000	32.881400	2'531'867.80
Aug 23, 2023	64'000	32.921700	2'106'988.80

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 August 23, 2023, is 8,803,526 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	2023-08-17	14:40:05	1'000	32.95	SE
2023-08-17	09:03:49	2'000	33.16	SE	2023-08-17	14:40:05	374	32.95	SE
2023-08-17	09:06:14	2'000	33.13	SE	2023-08-17	14:52:27	1'000	32.91	SE
2023-08-17	09:07:27	2'000	33.16	SE	2023-08-17	14:52:27	1'000	32.91	SE
2023-08-17	09:18:46	2'000	33.02	SE	2023-08-17	14:52:28	1'000	32.91	SE
2023-08-17	09:26:46	1'000	33.04	SE	2023-08-17	14:52:28	1'000	32.91	SE
2023-08-17	09:26:48	1'000	33.05	SE	2023-08-17	14:54:04	1'200	32.89	SE
2023-08-17	09:26:48	1'000	33.05	SE	2023-08-17	15:06:59	2'000	32.87	SE
2023-08-17	09:40:28	2'000	33.10	SE	2023-08-17	15:19:51	2'000	32.81	SE
2023-08-17	09:56:04	2'000	33.04	SE	2023-08-17	15:33:05	2'000	32.74	SE
2023-08-17	10:08:08	2'000	33.15	SE	2023-08-17	15:45:50	111	32.72	SE
2023-08-17	10:08:11	1'000	33.15	SE	2023-08-17	15:45:50	1'000	32.72	SE
2023-08-17	10:08:11	1'000	33.15	SE	2023-08-17	15:45:51	1'000	32.71	SE
2023-08-17	10:35:29	2'000	33.09	SE	2023-08-17	15:45:51	880	32.71	SE
2023-08-17	10:47:07	1'000	33.07	SE	2023-08-17	15:46:08	1'000	32.71	SE
2023-08-17	10:47:08	1'000	33.07	SE	2023-08-17	15:46:08	1'000	32.71	SE
2023-08-17	10:47:11	2'000	33.06	SE	2023-08-17	15:46:14	2'000	32.70	SE
2023-08-17	11:02:40	2'000	33.06	SE	2023-08-17	15:46:30	2'000	32.68	SE
2023-08-17	11:21:19	2'000	33.04	SE	2023-08-17	15:59:10	2'000	32.61	SE
2023-08-17	11:36:54	1'000	33.00	SE	2023-08-17	16:00:59	1'000	32.62	SE
2023-08-17	11:36:54	1'000	33.00	SE	2023-08-17	16:10:18	2'000	32.70	SE
2023-08-17	11:36:56	1'000	33.00	SE	2023-08-17	16:34:06	1'000	32.70	SE
2023-08-17	11:36:56	1'000	33.00	SE	2023-08-17	16:34:06	1'000	32.70	SE
2023-08-17	11:36:58	1'000	33.00	SE	2023-08-17	16:34:06	1'000	32.70	SE
2023-08-17	11:36:58	1'000	33.00	SE	2023-08-17	16:34:06	1'000	32.70	SE
2023-08-17	11:37:12	1'000	32.99	SE	2023-08-17	16:34:13	2'000	32.68	SE
2023-08-17	11:37:12	1'000	32.99	SE	2023-08-17	16:35:57	563	32.67	SE
2023-08-17	11:38:59	2'000	33.01	SE	2023-08-17	16:35:57	1'000	32.67	SE
2023-08-17	11:52:37	1'000	33.05	SE	2023-08-17	16:36:01	2'000	32.66	SE
2023-08-17	11:52:37	1'000	33.05	SE	2023-08-17	16:40:10	2'000	32.67	SE
2023-08-17	12:17:54	2'000	32.99	SE	2023-08-17	16:42:02	2'000	32.68	SE
2023-08-17	12:18:00	2'000	32.98	SE	2023-08-17	16:48:24	1'872	32.67	SE
2023-08-17	12:31:08	2'000	33.00	SE	2023-08-18	09:23:10	2'000	32.49	SE
2023-08-17	12:44:05	2'000	33.02	SE	2023-08-18	09:29:01	274	32.44	SE
2023-08-17	12:58:15	2'000	32.99	SE	2023-08-18	09:35:33	1'000	32.41	SE
2023-08-17	13:11:04	2'000	32.98	SE	2023-08-18	09:35:33	1'000	32.41	SE
2023-08-17	13:24:08	2'000	32.98	SE	2023-08-18	09:35:38	1'200	32.41	SE
2023-08-17	13:41:50	2'000	32.94	SE	2023-08-18	09:35:55	2'000	32.40	SE
2023-08-17	13:49:31	2'000	32.99	SE	2023-08-18	09:41:00	487	32.32	SE
2023-08-17	14:27:19	1'000	32.96	SE	2023-08-18	09:45:14	719	32.42	SE
2023-08-17	14:27:19	1'000	32.96	SE	2023-08-18	09:49:00	339	32.41	SE

2023-08-18	09:49:42	348	32.42	SE	2023-08-18	16:24:08	1'200	32.49	SE
2023-08-18	09:50:12	480	32.42	SE	2023-08-18	16:24:12	1'107	32.47	SE
2023-08-18	09:50:45	487	32.42	SE	2023-08-21	09:01:58	2'000	32.66	SE
2023-08-18	09:50:45	1'200	32.42	SE	2023-08-21	09:04:28	1'000	32.70	SE
2023-08-18	10:03:57	333	32.42	SE	2023-08-21	09:26:49	372	32.74	SE
2023-08-18	10:04:10	487	32.42	SE	2023-08-21	09:28:38	372	32.78	SE
2023-08-18	10:04:28	1'200	32.42	SE	2023-08-21	09:31:53	314	32.80	SE
2023-08-18	10:18:05	730	32.41	SE	2023-08-21	09:31:53	1'000	32.80	SE
2023-08-18	10:18:09	554	32.41	SE	2023-08-21	09:32:03	2'000	32.80	SE
2023-08-18	10:31:18	327	32.40	SE	2023-08-21	09:51:41	372	32.84	SE
2023-08-18	10:31:30	330	32.39	SE	2023-08-21	09:51:56	369	32.83	SE
2023-08-18	10:32:12	354	32.41	SE	2023-08-21	09:52:16	2'000	32.82	SE
2023-08-18	10:32:50	1'200	32.40	SE	2023-08-21	10:10:49	429	32.82	SE
2023-08-18	11:30:39	463	32.39	SE	2023-08-21	10:13:10	2'000	32.80	SE
2023-08-18	11:30:58	416	32.38	SE	2023-08-21	10:27:10	2'000	32.78	SE
2023-08-18	11:30:58	596	32.38	SE	2023-08-21	10:54:19	1'000	32.79	SE
2023-08-18	11:31:26	1'200	32.39	SE	2023-08-21	10:54:19	537	32.79	SE
2023-08-18	11:31:32	2'000	32.38	SE	2023-08-21	10:56:28	2'000	32.80	SE
2023-08-18	11:39:01	463	32.43	SE	2023-08-21	11:21:43	1'000	32.78	SE
2023-08-18	11:39:56	1'200	32.44	SE	2023-08-21	11:21:43	1'000	32.78	SE
2023-08-18	12:52:34	900	32.46	SE	2023-08-21	11:21:54	1'000	32.78	SE
2023-08-18	13:02:25	601	32.47	SE	2023-08-21	11:21:54	1'000	32.78	SE
2023-08-18	13:02:31	350	32.47	SE	2023-08-21	11:21:56	1'000	32.78	SE
2023-08-18	13:02:49	1'650	32.47	SE	2023-08-21	11:21:58	1'000	32.78	SE
2023-08-18	13:13:42	2'000	32.45	SE	2023-08-21	11:21:58	1'000	32.78	SE
2023-08-18	13:28:35	2'000	32.42	SE	2023-08-21	11:23:55	2'000	32.78	SE
2023-08-18	13:42:22	2'000	32.41	SE	2023-08-21	11:34:20	1'200	32.79	SE
2023-08-18	13:46:23	333	32.46	SE	2023-08-21	12:08:47	2'000	32.81	SE
2023-08-18	13:46:23	334	32.46	SE	2023-08-21	12:22:34	2'000	32.76	SE
2023-08-18	13:46:29	1'200	32.47	SE	2023-08-21	12:32:07	2'000	32.76	SE
2023-08-18	13:55:45	2'000	32.45	SE	2023-08-21	13:12:01	1'000	32.73	SE
2023-08-18	14:13:20	2'000	32.47	SE	2023-08-21	13:12:01	1'000	32.73	SE
2023-08-18	14:38:46	1'200	32.46	SE	2023-08-21	13:25:29	1'000	32.74	SE
2023-08-18	14:46:17	1'200	32.41	SE	2023-08-21	13:25:29	1'000	32.74	SE
2023-08-18	14:46:20	388	32.42	SE	2023-08-21	14:00:11	2'000	32.71	SE
2023-08-18	14:46:22	2'000	32.42	SE	2023-08-21	14:01:15	2'000	32.73	SE
2023-08-18	14:46:26	1'200	32.43	SE	2023-08-21	14:01:36	2'000	32.72	SE
2023-08-18	14:46:30	2'000	32.42	SE	2023-08-21	14:15:16	2'000	32.71	SE
2023-08-18	14:50:43	2'000	32.40	SE	2023-08-21	14:22:20	2'000	32.69	SE
2023-08-18 2023-08-18	15:30:35 15:31:37	1'350 1'200	32.39 32.41	SE SE	2023-08-21 2023-08-21	14:32:51 14:47:24	2'000 2'000	32.68 32.68	SE SE
2023-08-18	15:31:37	1'200	32.41	SE	2023-08-21	15:03:42	1'000	32.68	SE
2023-08-18	15:50:37	1'200	32.43	SE	2023-08-21	15:04:21	2'000	32.68	SE
2023-08-18	15:56:51	2'000	32.47	SE	2023-08-21	15:27:45	2'000	32.63	SE
2023-08-18	16:13:37	2'000	32.48	SE	2023-08-21	15:31:58	2'000	32.65	SE
2023-08-18	16:23:58	2'000	32.49	SE	2023-08-21	15:46:14	1'000	32.61	SE
2023-08-18	16:24:06	2'000	32.48	SE	2023-08-21	15:46:20	1'000	32.62	SE
2023-08-18	16:24:07	1'000	32.50	SE	2023-08-21	15:46:20	1'000	32.62	SE
2023-08-18	16:24:07	1'000	32.50	SE	2023-08-21	15:48:09	2'000	32.63	SE

2023-08-21	16:02:14	1'000	32.59	SE	2023-08-22	15:52:36	1'000	32.92	SE
2023-08-21	16:02:51	2'000	32.58	SE	2023-08-22	15:52:36	1'000	32.92	SE
2023-08-21	16:06:45	1'000	32.63	SE	2023-08-22	15:52:37	1'000	32.91	SE
2023-08-21	16:06:45	1'000	32.63	SE	2023-08-22	15:52:37	1'000	32.91	SE
2023-08-21	16:07:06	2'000	32.63	SE	2023-08-22	15:53:05	1'000	32.91	SE
2023-08-21	16:23:29	2'000	32.64	SE	2023-08-22	15:53:06	1'000	32.91	SE
2023-08-21	16:26:11	1'000	32.60	SE	2023-08-22	15:55:24	1'000	32.89	SE
2023-08-21	16:26:13	1'000	32.61	SE	2023-08-22	15:55:24	1'000	32.90	SE
2023-08-21	16:26:19	1'000	32.61	SE	2023-08-22	15:55:24	1'000	32.90	SE
2023-08-21	16:26:50	2'000	32.60	SE	2023-08-22	15:55:25	1'000	32.89	SE
2023-08-21	16:40:55	2'000	32.59	SE	2023-08-22	15:55:41	1'000	32.89	SE
2023-08-21	16:47:00	2'000	32.60	SE	2023-08-22	15:55:42	1'000	32.89	SE
2023-08-21	16:47:03	1'000	32.60	SE	2023-08-22	16:16:29	1'000	32.92	SE
2023-08-21	16:47:05	1'000	32.60	SE	2023-08-22	16:16:34	1'000	32.92	SE
2023-08-21	16:47:12	2'000	32.59	SE	2023-08-22	16:24:41	1'000	32.90	SE
2023-08-21	16:47:51	2'000	32.59	SE	2023-08-22	16:24:41	1'000	32.90	SE
2023-08-21	16:52:09	1'000	32.59	SE	2023-08-22	16:24:54	504	32.90	SE
2023-08-21	16:52:10	1'000	32.58	SE	2023-08-22	16:34:10	1'000	32.86	SE
2023-08-21	16:52:10	1'000	32.59	SE	2023-08-22	16:34:19	1'000	32.86	SE
2023-08-21	16:52:22	2'000	32.60	SE	2023-08-22	16:35:50	1'000	32.86	SE
2023-08-21	16:53:06	1'000	32.61	SE	2023-08-22	16:35:50	1'000	32.86	SE
2023-08-21	16:53:13	1'000	32.62	SE	2023-08-22	16:35:52	1'000	32.85	SE
2023-08-21	16:54:10	35	32.63	SE	2023-08-22	16:35:55	1'000	32.85	SE
2023-08-22	09:03:40	2'000	32.82	SE	2023-08-22	16:36:50	1'000	32.85	SE
2023-08-22	09:10:15	2'000	32.78	SE	2023-08-22	16:36:50	1'000	32.85	SE
2023-08-22	09:10:54	2'000	32.76	SE	2023-08-22	16:37:44	1'000	32.86	SE
2023-08-22	09:20:08	2'000	32.71	SE	2023-08-22	16:37:44	1'000	32.86	SE
2023-08-22	09:33:24	2'000	32.74	SE	2023-08-23	09:15:15	500	32.94	SE
2023-08-22	09:46:49	2°000	32.85	SE	2023-08-23	09:16:02	1'000	32.93	SE
2023-08-22	09:50:08	2'000	32.86	SE	2023-08-23	09:17:16	1'000	32.91	SE
2023-08-22	10:16:43	2'000	32.89	SE	2023-08-23	09:18:12	1'000	32.93	SE
2023-08-22	10:26:32	496	32.88	SE	2023-08-23	09:18:12	1'000	32.93	SE
2023-08-22	10:31:04	2°000	32.87	SE	2023-08-23	09:20:21	1'000	32.94	SE
2023-08-22	10:45:26	2'000	32.89	SE	2023-08-23	09:20:22	1'000	32.94	SE
2023-08-22	10:59:17	2'000	32.88	SE	2023-08-23	09:33:01	1'000	32.95	SE
2023-08-22	11:07:35	2'000	32.88	SE	2023-08-23	09:33:02	1'000	32.95	SE
2023-08-22	11:34:33	2'000	32.86	SE	2023-08-23	09:40:46	1'000	32.90	SE
2023-08-22	11:50:50	2'000	32.89	SE	2023-08-23	09:40:46	1'000	32.90	SE
2023-08-22	12:07:30	2'000	32.90	SE	2023-08-23	09:43:33	1'000	32.83	SE
2023-08-22	12:30:09	2'000	32.91	SE	2023-08-23	09:56:03	1'000	32.97	SE
2023-08-22	12:43:32	2'000	32.93	SE	2023-08-23	09:56:10	l'OOO	32.97	SE
2023-08-22	12:59:24	2'000	32.90	SE	2023-08-23	09:56:14	1'000	32.97	SE
2023-08-22	13:12:53	2'000	32.94	SE	2023-08-23	10:48:00	1'000	32.98	SE
2023-08-22	13:26:19	2'000	32.95	SE	2023-08-23	10:48:00	1'000	32.98	SE
2023-08-22	13:39:41	2'000	32.94	SE	2023-08-23	10:48:07	1'000	32.98	SE
2023-08-22	13:53:04	2'000	32.97	SE	2023-08-23	10:48:07	1'000	32.98	SE
2023-08-22	14:07:34	2'000	32.97	SE	2023-08-23	10:48:17	1'000	32.98	SE
2023-08-22	14:21:25	2'000	32.97	SE	2023-08-23	10:48:17	1'000	32.98	SE
2023-08-22	15:10:48	2'000	32.91	SE	2023-08-23	10:48:40	1'000	32.96	SE

2023-08-23	10:48:57	1'000	32.97	SE
2023-08-23	10:49:08	1'000	32.97	SE
2023-08-23	11:03:12	1,000	32.98	SE
2023-08-23	11:10:04	2'000	32.98	SE
2023-08-23	11:23:17	1,000	32.94	SE
2023-08-23	11:23:30	1,000	32.94	SE
2023-08-23	11:24:42	1,000	32.94	SE
2023-08-23	12:46:43	2'000	32.92	SE
2023-08-23	12:50:31	1,000	32.93	SE
2023-08-23	12:50:31	1'000	32.93	SE
2023-08-23	12:50:33	1'000	32.93	SE
2023-08-23	12:50:38	1'000	32.94	SE
2023-08-23	12:50:38	1,000	32.94	SE
2023-08-23	12:50:43	1'000	32.93	SE
2023-08-23	12:50:43	1'000	32.93	SE
2023-08-23	13:03:55	1'000	32.88	SE
2023-08-23	13:03:55	1,000	32.88	SE
2023-08-23	13:17:13	1'000	32.89	SE
2023-08-23	13:17:13	1'000	32.89	SE
2023-08-23	13:23:25	2'000	32.87	SE
2023-08-23	13:37:29	1,000	32.85	SE
2023-08-23	13:50:17	1,000	32.88	SE
2023-08-23	13:50:17	1'000	32.88	SE
2023-08-23	14:03:27	1,000	32.86	SE
2023-08-23	14:03:55	1'000	32.86	SE
2023-08-23	14:04:16	1,000	32.85	SE
2023-08-23	14:05:15	1'000	32.85	SE
2023-08-23	14:05:23	1,000	32.86	SE
2023-08-23	14:05:23	1'000	32.86	SE
2023-08-23	14:42:43	1'000	32.87	SE
2023-08-23	15:07:49	1'000	32.88	SE
2023-08-23	15:07:49	1,000	32.88	SE
2023-08-23	15:07:56	1'000	32.88	SE
2023-08-23	15:07:56	1'000	32.88	SE
2023-08-23	16:05:33	2'000	32.89	SE
2023-08-23	16:25:51	1'000	32.97	SE
2023-08-23	16:25:51	1'000	32.97	SE
2023-08-23	16:33:33	1'000	32.96	SE
2023-08-23	16:33:39	500	32.98	SE