ABB Ltd

Transaction in Own Shares • Sep 14, 2023

ZURICH, SWITZERLAND, SEPTEMBER 14, 2023

ABB share buybacks

September 7, 2023 – September 13, 2023

During the period September 7, 2023, to September 13, 2023, ABB repurchased a total of 385,474 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)
Sep 7, 2023	83'120	33.418200	2'777'720.80
Sep 8, 2023	104'000	32.982500	3'430'180.00
Sep 11, 2023	65'354	33.032500	2'158'806.00
Sep 12, 2023	67'000	32.975400	2'209'351.80
Sep 13, 2023	66'000	32.245300	2'128'189.80

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 September 13, 2023, is 10,049,000 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	2023-09-07	13:53:47	670	33.39	SE
2023-09-07	09:18:26	1'000	33.64	SE	2023-09-07	13:58:44	2'000	33.40	SE
2023-09-07	09:19:01	1'000	33.64	SE	2023-09-07	14:04:53	1'000	33.34	SE
2023-09-07	09:19:02	540	33.64	SE	2023-09-07	14:04:53	790	33.34	SE
2023-09-07	09:19:25	2'000	33.65	SE	2023-09-07	14:18:21	1'000	33.40	SE
2023-09-07	09:27:40	1'000	33.56	SE	2023-09-07	14:20:03	1'000	33.38	SE
2023-09-07	09:41:33	1'000	33.43	SE	2023-09-07	14:20:03	1'000	33.38	SE
2023-09-07	09:41:33	1'000	33.43	SE	2023-09-07	14:26:18	538	33.36	SE
2023-09-07	09:41:52	1	33.42	SE	2023-09-07	14:33:25	1'000	33.39	SE
2023-09-07	09:42:31	1'000	33.42	SE	2023-09-07	14:33:25	591	33.39	SE
2023-09-07	09:56:32	257	33.43	SE	2023-09-07	15:39:01	1'189	33.39	SE
2023-09-07	09:58:10	1'000	33.43	SE	2023-09-07	15:51:53	1'000	33.42	SE
2023-09-07	09:58:10	340	33.43	SE	2023-09-07	15:51:53	1'000	33.42	SE
2023-09-07	09:58:52	1'000	33.43	SE	2023-09-07	15:52:09	673	33.42	SE
2023-09-07	10:07:27	374	33.47	SE	2023-09-07	15:52:09	1'000	33.43	SE
2023-09-07	10:11:29	1'000	33.48	SE	2023-09-07	15:52:09	1'000	33.43	SE
2023-09-07	10:11:38	17	33.49	SE	2023-09-07	15:52:10	1'000	33.42	SE
2023-09-07	10:11:41	4	33.49	SE	2023-09-07	15:52:16	1'000	33.42	SE
2023-09-07	10:11:53	320	33.49	SE	2023-09-07	15:52:16	1'000	33.42	SE
2023-09-07	10:12:01	320	33.49	SE	2023-09-07	15:52:45	1'000	33.41	SE
2023-09-07	10:12:06	257	33.49	SE	2023-09-07	15:52:45	1'000	33.41	SE
2023-09-07	10:12:18	347	33.49	SE	2023-09-07	15:52:48	1'000	33.40	SE
2023-09-07	10:12:33	1'000	33.49	SE	2023-09-07	15:52:48	1'000	33.40	SE
2023-09-07	10:13:05	1'000	33.48	SE	2023-09-07	15:53:25	1'000	33.39	SE
2023-09-07	10:13:06	1'000	33.48	SE	2023-09-07	15:53:25	1'000	33.39	SE
2023-09-07	10:37:11	2'000	33.45	SE	2023-09-07	15:53:25	1'000	33.39	SE
2023-09-07	11:32:55	2'000	33.66	SE	2023-09-07	15:53:26	477	33.39	SE
2023-09-07	12:26:09	1'000	33.55	SE	2023-09-07	15:53:33	1'000	33.39	SE
2023-09-07	12:26:19	1'189	33.56	SE	2023-09-07	15:53:33	1'000	33.39	SE
2023-09-07	12:26:44	2'000	33.55	SE	2023-09-07	15:53:55	1'000	33.39	SE
2023-09-07	12:26:47	2'000	33.54	SE	2023-09-07	15:53:55	1'000	33.39	SE
2023-09-07	13:06:42	1'000	33.51	SE	2023-09-07	15:58:57	1'000	33.34	SE
2023-09-07	13:06:52	1'000	33.51	SE	2023-09-07	16:00:00	1'000	33.33	SE
2023-09-07	13:20:30	1'000	33.47	SE	2023-09-07	16:00:03	571	33.32	SE
2023-09-07	13:20:44	1'000	33.47	SE	2023-09-07	16:00:05	553	33.32	SE
2023-09-07	13:26:50	1'000	33.44	SE	2023-09-07	16:06:25	1'000	33.20	SE
2023-09-07	13:26:50	1'000	33.44	SE	2023-09-07	16:06:25	1'000	33.21	SE
2023-09-07	13:27:11	1'000	33.45	SE	2023-09-07	16:06:32	1'000	33.22	SE
2023-09-07	13:27:11	880	33.45	SE	2023-09-07	16:06:32	1'000	33.22	SE
2023-09-07	13:27:11	120	33.45	SE	2023-09-07	16:06:40	1'000	33.23	SE
2023-09-07	13:53:47	1'000	33.39	SE	2023-09-07	16:06:42	1'000	33.24	SE

2023-09-07	16:06:42	1'000	33.24	SE	2023-09-08	11:39:00	1'000	32.82	SE
2023-09-07	16:06:54	1'000	33.23	SE	2023-09-08	12:07:39	1'000	32.84	SE
2023-09-07	16:07:32	1'000	33.24	SE	2023-09-08	12:07:42	1'000	32.84	SE
2023-09-07	16:22:14	1'150	33.28	SE	2023-09-08	12:17:51	1'200	32.91	SE
2023-09-07	16:22:14	464	33.28	SE	2023-09-08	13:32:41	2'000	32.92	SE
2023-09-07	16:23:29	2'000	33.24	SE	2023-09-08	13:32:41	1'000	32.93	SE
2023-09-07	16:27:08	488	33.24	SE	2023-09-08	13:32:41	1'000	32.93	SE
2023-09-07	16:38:50	1'000	33.41	SE	2023-09-08	14:22:05	1'000	32.99	SE
2023-09-08	09:10:37	1'000	33.40	SE	2023-09-08	14:22:05	1'000	32.99	SE
2023-09-08	09:10:39	1'000	33.40	SE	2023-09-08	14:22:18	1'000	32.97	SE
2023-09-08	09:11:03	376	33.38	SE	2023-09-08	14:22:18	596	32.97	SE
2023-09-08	09:11:03	548	33.38	SE	2023-09-08	14:22:18	1'203	32.97	SE
2023-09-08	09:11:16	550	33.39	SE	2023-09-08	14:47:14	2'000	33.03	SE
2023-09-08	09:11:16	1'000	33.39	SE	2023-09-08	14:47:55	2'000	33.03	SE
2023-09-08	09:16:35	1'000	33.29	SE	2023-09-08	15:11:43	1'000	32.99	SE
2023-09-08	09:16:36	1'000	33.31	SE	2023-09-08	15:11:43	1'000	32.99	SE
2023-09-08	09:33:57	1'000	33.18	SE	2023-09-08	15:11:54	1'000	32.99	SE
2023-09-08	09:33:59	1'000	33.19	SE	2023-09-08	15:11:54	257	32.99	SE
2023-09-08	09:33:59	1'000	33.19	SE	2023-09-08	15:15:36	1'000	32.97	SE
2023-09-08	09:49:15	257	33.18	SE	2023-09-08	15:15:36	1'000	32.97	SE
2023-09-08	09:49:17	3	33.18	SE	2023-09-08	15:16:04	1'000	32.97	SE
2023-09-08	09:50:16	515	33.20	SE	2023-09-08	15:16:04	527	32.96	SE
2023-09-08	09:50:40	2'000	33.20	SE	2023-09-08	15:16:09	523	32.96	SE
2023-09-08	10:07:36	400	33.17	SE	2023-09-08	15:16:24	1'000	32.97	SE
2023-09-08	10:07:38	400	33.17	SE	2023-09-08	15:16:24	1'000	32.97	SE
2023-09-08	10:09:33	1'000	33.15	SE	2023-09-08	15:30:36	1'000	32.97	SE
2023-09-08	10:10:15	447	33.14	SE	2023-09-08	15:30:36	1'000	32.97	SE
2023-09-08	10:10:18	369	33.14	SE	2023-09-08	15:42:09	523	32.94	SE
2023-09-08	10:10:31	369	33.14	SE	2023-09-08	15:42:41	523	32.94	SE
2023-09-08	10:11:46	1'000	33.13	SE	2023-09-08	15:44:32	1'000	32.95	SE
2023-09-08	10:20:08	1'000	33.00	SE	2023-09-08	15:44:32	539	32.95	SE
2023-09-08	10:21:11	1'000	33.00	SE	2023-09-08	15:58:27	1'000	32.90	SE
2023-09-08	10:22:03	1'000	33.01	SE	2023-09-08	15:58:44	1'000	32.89	SE
2023-09-08	10:22:03	1'000	33.01	SE	2023-09-08	15:58:44	1'000	32.89	SE
2023-09-08	10:32:06	323	32.95	SE	2023-09-08	16:12:43	1'000	32.94	SE
2023-09-08	10:33:27	1'000	32.96	SE	2023-09-08	16:12:44	1'000	32.94	SE
2023-09-08	10:42:17	1'000	32.88	SE	2023-09-08	16:19:29	1'000	32.96	SE
2023-09-08	11:02:37	496	32.78	SE	2023-09-08	16:19:29	1'000	32.96	SE
2023-09-08	11:02:37	496	32.78	SE	2023-09-08	16:19:30	1'000	32.96	SE
2023-09-08	11:02:56	496	32.77	SE	2023-09-08	16:19:30	1'000	32.96	SE
2023-09-08	11:02:57	471	32.77	SE	2023-09-08	16:19:36	1'000	32.97	SE
2023-09-08	11:03:04	257	32.77	SE	2023-09-08	16:19:36	1'000	32.97	SE
2023-09-08	11:19:54	1'000	32.81	SE	2023-09-08	16:19:38	1'000	32.96	SE
2023-09-08	11:19:54	336	32.81	SE	2023-09-08	16:19:42	1'000	32.96	SE
2023-09-08	11:34:50	1'000	32.84	SE	2023-09-08	16:19:50	1'000	32.97	SE
2023-09-08	11:35:53	1'000	32.84	SE	2023-09-08	16:19:50	1'000	32.97	SE
2023-09-08	11:36:30	1'000	32.81	SE	2023-09-08	16:20:05	1'000	32.96	SE
2023-09-08	11:37:06	1'000	32.82	SE	2023-09-08	16:34:30	1'000	32.93	SE
2023-09-08	11:39:00	1'000	32.82	SE	2023-09-08	16:34:32	1'000	32.94	SE

2023-09-08	16:34:34	1'000	32.95	SE	2023-09-11	13:04:02	1'000	33.03	SE
2023-09-08	16:34:34	1'000	32.95	SE	2023-09-11	13:04:03	1'000	33.03	SE
2023-09-08	16:42:27	1'000	32.91	SE	2023-09-11	13:04:03	1'000	33.03	SE
2023-09-08	16:42:28	1'000	32.91	SE	2023-09-11	13:04:16	1'000	33.04	SE
2023-09-08	16:42:28	1'000	32.91	SE	2023-09-11	13:04:16	1'000	33.04	SE
2023-09-08	16:43:07	1'000	32.91	SE	2023-09-11	13:08:47	1'000	32.98	SE
2023-09-08	16:43:07	1'000	32.91	SE	2023-09-11	13:08:49	1'000	32.99	SE
2023-09-08	16:43:38	2'000	32.90	SE	2023-09-11	13:08:49	1'000	32.99	SE
2023-09-08	16:43:55	1'000	32.92	SE	2023-09-11	13:08:53	1'000	32.98	SE
2023-09-08	16:43:55	1'000	32.92	SE	2023-09-11	13:08:53	1'000	32.98	SE
2023-09-08	16:43:57	1'000	32.92	SE	2023-09-11	13:09:09	1'000	32.99	SE
2023-09-08	16:44:15	1'000	32.93	SE	2023-09-11	13:09:09	885	32.99	SE
2023-09-08	16:44:16	1'000	32.93	SE	2023-09-11	13:10:22	1'000	33.00	SE
2023-09-08	16:44:18	1'000	32.94	SE	2023-09-11	13:10:22	1'000	33.00	SE
2023-09-08	16:44:18	1'000	32.94	SE	2023-09-11	13:27:06	1'000	32.95	SE
2023-09-08	16:44:30	1'000	32.92	SE	2023-09-11	13:27:18	1'000	32.96	SE
2023-09-08	16:44:30	1'000	32.92	SE	2023-09-11	13:27:18	1'000	32.96	SE
2023-09-08	16:44:42	1'000	32.93	SE	2023-09-11	13:43:33	1'000	32.95	SE
2023-09-08	16:44:45	1'000	32.94	SE	2023-09-11	13:46:47	1'000	32.95	SE
2023-09-08	16:44:45	1'000	32.94	SE	2023-09-11	13:46:53	1'000	32.96	SE
2023-09-08	16:45:03	1'000	32.93	SE	2023-09-11	13:47:01	1'000	32.96	SE
2023-09-08	16:45:12	1'000	32.93	SE	2023-09-11	13:53:21	2'000	32.95	SE
2023-09-08	16:45:32	1'000	32.94	SE	2023-09-11	15:30:49	2'000	33.10	SE
2023-09-11	09:47:00	1'000	33.09	SE	2023-09-11	15:31:10	2'000	33.10	SE
2023-09-11	09:47:00	1'000	33.09	SE	2023-09-11	15:44:05	1'000	33.10	SE
2023-09-11	10:01:30	1'000	33.14	SE	2023-09-11	15:44:07	1'000	33.10	SE
2023-09-11	10:01:31	1'000	33.14	SE	2023-09-11	15:45:19	2'000	33.08	SE
2023-09-11	10:01:37	2'000	33.13	SE	2023-09-11	15:45:50	2'000	33.07	SE
2023-09-11	10:05:29	107	33.10	SE	2023-09-11	15:55:28	1'000	33.03	SE
2023-09-11	10:05:29	1'000	33.10	SE	2023-09-11	15:55:28	1'000	33.03	SE
2023-09-11	10:06:04	1'000	33.08	SE	2023-09-11	15:55:30	1'000	33.03	SE
2023-09-11	10:07:33	1'000	33.08	SE	2023-09-11	15:55:31	1'000	33.03	SE
2023-09-11	10:08:18	1'000	33.10	SE	2023-09-11	15:55:49	1'000	33.03	SE
2023-09-11	10:08:18	1'000	33.10	SE	2023-09-11	16:30:42	2'000	33.18	SE
2023-09-11	11:00:34	1'000	33.02	SE	2023-09-11	16:37:09	12	33.19	SE
2023-09-11	11:00:35	1'000	33.01	SE	2023-09-12	09:28:08	1'000	32.96	SE
2023-09-11	11:00:38	1'000	33.01	SE	2023-09-12	09:28:08	1'000	32.96	SE
2023-09-11	11:00:38	1'000	33.01	SE	2023-09-12	09:32:30	1'000	32.95	SE
2023-09-11	11:15:27	1'000	32.96	SE	2023-09-12	09:32:30	1'000	32.95	SE
2023-09-11	11:15:40	1'000	32.96	SE	2023-09-12	09:35:01	1'000	32.96	SE
2023-09-11	11:15:40	1'000	32.96	SE	2023-09-12	09:35:24	2°000	32.96	SE
2023-09-11	11:17:44	1'000	32.96	SE	2023-09-12	09:35:26	2°000	32.95	SE
2023-09-11	11:17:47	1'000	32.97	SE	2023-09-12	10:48:32	1'000	33.00	SE
2023-09-11	11:17:47	1'000	32.97	SE	2023-09-12	10:48:32	1'000	33.00	SE
2023-09-11	11:18:13	1'000	32.98	SE	2023-09-12	10:48:33	1'000	32.99	SE
2023-09-11	11:18:23	1'000	32.98	SE	2023-09-12	10:48:33	1'000	32.99	SE
2023-09-11	11:38:18	350	33.03	SE	2023-09-12	10:48:34	1'000	32.98	SE
2023-09-11	13:03:58	1'000	33.03	SE	2023-09-12	10:48:42	1'000	32.99	SE
2023-09-11	13:03:58	1'000	33.03	SE	2023-09-12	10:48:43	1'000	32.98	SE

2023-09-12	10:48:43	1'000	32.99	SE	2023-09-13	09:05:14	2'000	32.50	SE
2023-09-12	10:48:44	1'000	32.99	SE	2023-09-13	09:07:45	2'000	32.39	SE
2023-09-12	11:32:59	1'000	32.97	SE	2023-09-13	09:07:47	2'000	32.38	SE
2023-09-12	11:33:25	1'000	32.97	SE	2023-09-13	09:08:04	2'000	32.36	SE
2023-09-12	11:33:33	1'000	32.97	SE	2023-09-13	09:37:29	2'000	32.40	SE
2023-09-12	11:35:10	1'000	32.99	SE	2023-09-13	09:50:30	2'000	32.42	SE
2023-09-12	11:35:11	1'000	32.99	SE	2023-09-13	10:17:56	2'000	32.31	SE
2023-09-12	13:40:14	1'000	32.98	SE	2023-09-13	10:18:02	2'000	32.30	SE
2023-09-12	13:40:20	1'000	32.98	SE	2023-09-13	10:18:52	2'000	32.29	SE
2023-09-12	13:40:21	1'000	32.97	SE	2023-09-13	10:20:37	2'000	32.26	SE
2023-09-12	13:40:22	1'000	32.97	SE	2023-09-13	10:39:37	2'000	32.20	SE
2023-09-12	13:40:24	2'000	32.96	SE	2023-09-13	10:39:39	2'000	32.18	SE
2023-09-12	13:50:36	1'000	32.92	SE	2023-09-13	10:39:41	2'000	32.17	SE
2023-09-12	13:50:38	1'000	32.92	SE	2023-09-13	11:18:28	2'000	32.14	SE
2023-09-12	13:50:38	1'000	32.92	SE	2023-09-13	11:18:30	2'000	32.13	SE
2023-09-12	13:51:30	1'000	32.91	SE	2023-09-13	11:18:54	2'000	32.16	SE
2023-09-12	13:51:41	1'000	32.92	SE	2023-09-13	11:18:56	2'000	32.15	SE
2023-09-12	13:51:41	1'000	32.92	SE	2023-09-13	11:19:07	2'000	32.15	SE
2023-09-12	14:06:26	1'000	32.97	SE	2023-09-13	11:21:04	2'000	32.16	SE
2023-09-12	14:07:44	1'000	32.96	SE	2023-09-13	12:39:43	2'000	32.08	SE
2023-09-12	14:10:20	1'000	32.99	SE	2023-09-13	13:00:25	2'000	32.03	SE
2023-09-12	14:10:35	1'000	32.99	SE	2023-09-13	13:00:28	2'000	32.02	SE
2023-09-12	14:12:00	1'000	32.99	SE	2023-09-13	13:23:36	2'000	32.09	SE
2023-09-12	14:12:00	1'000	32.99	SE	2023-09-13	13:32:20	2'000	32.19	SE
2023-09-12	14:37:05	2'000	33.02	SE	2023-09-13	13:32:22	2'000	32.18	SE
2023-09-12	15:12:36	1'000	32.94	SE	2023-09-13	13:36:33	2'000	32.18	SE
2023-09-12	15:12:36	1'000	32.95	SE	2023-09-13	14:57:26	2'000	32.27	SE
2023-09-12	15:12:38	1'000	32.94	SE	2023-09-13	14:57:39	2'000	32.27	SE
2023-09-12	15:12:40	1'000	32.93	SE	2023-09-13	14:57:41	2'000	32.26	SE
2023-09-12	15:12:47	1'000	32.94	SE	2023-09-13	16:14:51	2'000	32.30	SE
2023-09-12	15:13:09	1'000	32.94	SE	2023-09-13	16:14:51	2'000	32.30	SE
2023-09-12	15:13:11	1'000	32.95	SE	2023-09-13	16:14:51	2'000	32.32	SE
2023-09-12	15:13:11	1'000	32.95	SE
2023-09-12	15:13:19	1'000	32.95	SE
2023-09-12	15:13:19	1'000	32.95	SE
2023-09-12	15:14:08	1'000	32.94	SE
2023-09-12	15:14:48	2'000	32.94	SE
2023-09-12	15:29:20	1'000	32.89	SE
2023-09-12	15:30:00	1'000 1'000	32.90	SE
2023-09-12 2023-09-12	15:30:01 16:15:48	1'000	32.90 33.12	SE SE
2023-09-12	16:15:48	1'000	33.12	SE
2023-09-12	16:18:16	1'000	33.10	SE
2023-09-12	16:18:16	1'000	33.10	SE
2023-09-12	16:20:45	1'000	33.09	SE
2023-09-12	16:20:45	1'000	33.09	SE
2023-09-12	16:23:09	2'000	33.06	SE
2023-09-13	09:05:04	1'000	32.56	SE
2023-09-13	09:05:06	1'000	32.55	SE