ABB Ltd

Transaction in Own Shares • Feb 29, 2024

ZURICH, SWITZERLAND, FEBRUARY 29, 2024

ABB share buybacks

February 22, 2024 – February 28, 2024

During the period February 22, 2024, to February 28, 2024, ABB repurchased a total of 345,775 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)
Feb 22, 2024	59'214	40.6874	2'409'264.83
Feb 23, 2024	70'710	40.1417	2'838'418.83
Feb 26, 2024	89'907	40.4621	3'637'827.91
Feb 27, 2024	60'000	40.3397	2'420'380.02
Feb 28, 2024	65'944	40.3325	2'659'686.38

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 February 28, 2024, is 20,307,430 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	2024-02-22	13:11:20	2'000	40.65	SE
2024-02-22	09:08:33	1'000	40.67	SE	2024-02-22	13:25:03	1'000	40.74	SE
2024-02-22	09:14:03	1'000	40.73	SE	2024-02-22	13:39:15	1'000	40.77	SE
2024-02-22	09:19:54	1'000	40.68	SE	2024-02-22	13:39:15	1'000	40.77	SE
2024-02-22	09:26:11	1'000	40.69	SE	2024-02-22	13:54:25	1'000	40.71	SE
2024-02-22	09:31:32	1'000	40.73	SE	2024-02-22	13:55:43	1'000	40.71	SE
2024-02-22	09:38:10	1'000	40.68	SE	2024-02-22	13:55:46	1'000	40.71	SE
2024-02-22	09:38:10	1'000	40.68	SE	2024-02-22	13:55:46	1'000	40.71	SE
2024-02-22	09:50:24	1'000	40.69	SE	2024-02-22	14:11:34	1'000	40.73	SE
2024-02-22	09:56:25	1'000	40.72	SE	2024-02-22	14:11:34	1'000	40.73	SE
2024-02-22	10:02:19	1'000	40.73	SE	2024-02-22	14:29:03	1'000	40.72	SE
2024-02-22	10:02:19	1'000	40.73	SE	2024-02-22	14:32:04	1'000	40.77	SE
2024-02-22	10:14:34	1'000	40.72	SE	2024-02-22	14:35:03	1'000	40.82	SE
2024-02-22	10:20:29	1'000	40.71	SE	2024-02-22	14:35:03	1'000	40.82	SE
2024-02-22	10:27:32	1'000	40.65	SE	2024-02-22	14:42:17	1'000	40.76	SE
2024-02-22	10:27:32	1'000	40.65	SE	2024-02-22	15:02:12	1'000	40.77	SE
2024-02-22	10:37:26	1'000	40.64	SE	2024-02-22	15:02:12	1'000	40.77	SE
2024-02-22	10:45:33	1'000	40.71	SE	2024-02-22	15:02:13	1'000	40.77	SE
2024-02-22	10:51:18	1'000	40.69	SE	2024-02-23	09:08:13	1'000	39.76	SE
2024-02-22	10:58:48	1'000	40.66	SE	2024-02-23	09:13:00	1'000	40.05	SE
2024-02-22	11:03:32	1'000	40.58	SE	2024-02-23	09:15:35	329	40.05	SE
2024-02-22	11:12:23	1'000	40.6	SE	2024-02-23	09:20:20	1'000	40.23	SE
2024-02-22	11:20:30	1'000	40.63	SE	2024-02-23	09:24:47	344	40.07	SE
2024-02-22	11:20:30	1'000	40.63	SE	2024-02-23	09:24:47	1'000	40.07	SE
2024-02-22	11:27:41	1'000	40.61	SE	2024-02-23	09:24:47	656	40.07	SE
2024-02-22	11:33:30	2°000	40.59	SE	2024-02-23	09:34:31	1'000	40.12	SE
2024-02-22	11:47:34	1'000	40.68	SE	2024-02-23	09:41:08	510	40.07	SE
2024-02-22	11:47:34	1'000	40.68	SE	2024-02-23	09:41:08	490	40.07	SE
2024-02-22	12:01:03	1'000	40.58	SE	2024-02-23	09:41:08	1'000	40.07	SE
2024-02-22	12:07:09	1'000	40.61	SE	2024-02-23	09:50:20	1'000	39.88	SE
2024-02-22	12:07:09	1'000	40.61	SE	2024-02-23	09:50:21	1'000	39.88	SE
2024-02-22	12:15:56	1'000	40.66	SE	2024-02-23	10:03:16	1,000	40.01	SE
2024-02-22	12:34:59	1'000	40.68	SE	2024-02-23	10:05:47	1.000	40.02	SE
2024-02-22	12:34:59	1'000	40.68	SE	2024-02-23	10:10:27	1'000	39.97	SE
2024-02-22	12:35:00	1'000	40.68	SE	2024-02-23	10:15:46	1'000	39.87	SE
2024-02-22	12:41:23	1'000	40.67	SE	2024-02-23	10:20:12	1'000	39.84	SE
2024-02-22	12:47:35	1'000	40.66	SE	2024-02-23	10:24:32	1'000	39.83	SE
2024-02-22	12:53:09	1'000	40.65	SE	2024-02-23	10:24:32	1'000	39.83	SE
2024-02-22	13:02:10	1'000	40.63	SE	2024-02-23	10:34:57	1'000	39.98	SE
2024-02-22	13:04:55	214	40.63	SE	2024-02-23	10:34:57	381	39.98	SE
2024-02-22	13:04:55	1'000	40.63	SE	2024-02-23	10:44:07	1'000	40.04	SE

2024-02-23	10:46:54	1'000	40.03	SE	2024-02-23	14:51:30	1'000	40.42	SE
2024-02-23	10:57:47	1'000	40.01	SE	2024-02-23	14:51:30	1'000	40.42	SE
2024-02-23	10:57:53	1'000	40.01	SE	2024-02-26	09:19:01	1'000	40.43	SE
2024-02-23	11:07:12	1'000	40.01	SE	2024-02-26	09:29:24	1'000	40.44	SE
2024-02-23	11:07:16	1'000	40.01	SE	2024-02-26	09:31:01	1'000	40.46	SE
2024-02-23	11:18:36	1'000	39.95	SE	2024-02-26	09:39:25	1'000	40.47	SE
2024-02-23	11:23:57	1'000	39.95	SE	2024-02-26	09:39:25	1'000	40.47	SE
2024-02-23	11:24:34	1'000	39.95	SE	2024-02-26	09:50:06	1'000	40.45	SE
2024-02-23	11:31:16	1'000	39.99	SE	2024-02-26	09:50:06	1'000	40.45	SE
2024-02-23	11:31:21	1'000	3d dd	SE	2024-02-26	10:05:02	1'000	40.45	SE
2024-02-23	11:42:33	1'000	40.07	SE	2024-02-26	10:09:22	1'000	40.43	SE
2024-02-23	11:42:33	1'000	40.07	SE	2024-02-26	10:24:20	2'000	40.45	SE
2024-02-23	11:51:31	1'000	40.06	SE	2024-02-26	10:29:56	1'000	40.51	SE
2024-02-23	11:51:31	1'000	40.06	SE	2024-02-26	10:36:03	1'000	40.48	SE
2024-02-23	12:02:42	1'000	40.07	SE	2024-02-26	10:39:06	1'000	40.46	SE
2024-02-23	12:02:42	1'000	40.07	SE	2024-02-26	10:39:06	1'000	40.46	SE
2024-02-23	12:08:51	1'000	40.07	SE	2024-02-26	10:52:13	1'000	40.42	SE
2024-02-23	12:15:59	1'000	40.11	SE	2024-02-26	11:00:46	1'000	40.46	SE
2024-02-23	12:17:12	1'000	40.13	SE	2024-02-26	11:00:46	1'000	40.46	SE
2024-02-23	12:26:22	1'000	40.16	SE	2024-02-26	11:12:45	1'000	40.42	SE
2024-02-23	12:28:42	1'000	40.16	SE	2024-02-26	11:16:52	1'000	40.36	SE
2024-02-23	12:41:05	1'000	40.22	SE	2024-02-26	11:16:52	1'000	40.36	SE
2024-02-23	12:41:07	1'000	40.22	SE	2024-02-26	11:29:21	1'000	40.4	SE
2024-02-23	12:46:23	1'000	40.25	SE	2024-02-26	11:29:21	1'000	40.4	SE
2024-02-23	12:47:18	1'000	40.25	SE	2024-02-26	11:43:24	1'000	40.4	SE
2024-02-23	13:00:52	1'000	40.3	SE	2024-02-26	11:50:11	1'000	40.4	SE
2024-02-23	13:03:44	1'000	40.3	SE	2024-02-26	11:55:37	1'000	40.42	SE
2024-02-23	13:03:48	1'000	40.3	SE	2024-02-26	11:55:37	1'000	40.42	SE
2024-02-23	13:07:13	1'000	40.28	SE	2024-02-26	12:18:50	1'000	40.47	SE
2024-02-23	13:17:17	1'000	40.31	SE	2024-02-26	12:19:05	1'000	40.47	SE
2024-02-23	13:17:17	1'000	40.31	SE	2024-02-26	12:22:11	1'000	40.47	SE
2024-02-23	13:23:59	1'000	40.3	SE	2024-02-26	12:25:07	1'000	40.47	SE
2024-02-23	13:27:16	1.000	40.33	SE	2024-02-26	12:25:07	1,000	40.47	SE
2024-02-23	13:27:16	1'000	40.33	SE	2024-02-26	12:40:21	2'000	40.48	SE
2024-02-23	13:41:01	1'000	40.28	SE	2024-02-26	13:10:53	1'000	40.5	SE
2024-02-23	13:41:01	1'000	40.28	SE	2024-02-26	13:15:49	1'000	40.5	SE
2024-02-23	13:46:42	1'000	40.28	SE	2024-02-26	13:28:03	1'000	40.5	SE
2024-02-23	13:46:42	1'000	40.28	SE	2024-02-26	13:28:30	1'000	40.5	SE
2024-02-23	14:00:01	1'000	40.31	SE	2024-02-26	13:28:30	1'000	40.5	SE
2024-02-23	14:01:40	1'000	40.32	SE	2024-02-26	13:29:29	1'000	40.5	SE
2024-02-23	14:01:40	1'000	40.32	SE	2024-02-26	13:29:31	1'000	40.5	SE
2024-02-23	14:11:48	1.000	40.36	SE	2024-02-26	13:34:00	2°0000	40.52	SE
2024-02-23	14:11:48	1'000	40.36	SE	2024-02-26	13:48:19	1'000	40.53	SE
2024-02-23	14:22:34	1.000	40.31	SE	2024-02-26	13:54:12	1,000	40.56	SE
2024-02-23	14:22:34	1'000	40.31	SE	2024-02-26	13:54:13	1'000	40.56	SE
2024-02-23	14:32:34	1.000	40.36	SE	2024-02-26	14:29:14	2'000	40.54	SE
2024-02-23	14:32:34	1'000	40.36	SE	2024-02-26	14:29:15	1'000	40.56	SE
2024-02-23	14:44:41	1.000	40.41	SE	2024-02-26	14:29:16	1,000	40.56	SE
2024-02-23	14:44:41	1'000	40.41	SE	2024-02-26	14:29:16	1'000	40.56	SE

2024-02-26	14:39:29	907	40.56	SE	2024-02-27	10:31:30	1'000	40.45	SE
2024-02-26	14:41:00	1'000	40.59	SE	2024-02-27	10:42:13	1'000	40.51	SE
2024-02-26	14:51:36	1'000	40.52	SE	2024-02-27	10:50:10	1'000	40.5	SE
2024-02-26	14:56:56	1'000	40.54	SE	2024-02-27	10:55:35	1'000	40.47	SE
2024-02-26	14:56:56	1'000	40.54	SE	2024-02-27	10:58:58	2'000	40.46	SE
2024-02-26	15:36:13	1'000	40.45	SE	2024-02-27	11:14:12	2'000	40.42	SE
2024-02-26	15:36:14	1'000	40.45	SE	2024-02-27	11:38:54	2'000	40.37	SE
2024-02-26	15:36:14	1'000	40.45	SE	2024-02-27	11:38:56	2'000	40.37	SE
2024-02-26	15:36:19	1'000	40.45	SE	2024-02-27	11:58:41	2'000	40.35	SE
2024-02-26	15:37:08	1'000	40.45	SE	2024-02-27	12:14:58	2'000	40.32	SE
2024-02-26	15:37:09	1'000	40.45	SE	2024-02-27	12:20:41	2'000	40.32	SE
2024-02-26	15:37:13	1'000	40.45	SE	2024-02-27	12:34:37	2'000	40.32	SE
2024-02-26	15:37:22	1'000	40.45	SE	2024-02-27	12:49:13	2'000	40.31	SE
2024-02-26	15:41:01	1'000	40.45	SE	2024-02-27	13:05:23	2'000	40.33	SE
2024-02-26	15:41:03	1'000	40.45	SE	2024-02-27	13:20:41	2'000	40.33	SE
2024-02-26	15:47:11	1'000	40.42	SE	2024-02-27	13:29:02	2'000	40.31	SE
2024-02-26	15:47:19	1'000	40.42	SE	2024-02-27	13:43:41	2'000	40.27	SE
2024-02-26	15:49:56	1'000	40.43	SE	2024-02-27	13:56:13	2'000	40.2	SE
2024-02-26	15:49:56	1'000	40.43	SE	2024-02-27	14:07:41	2'000	40.21	SE
2024-02-26	15:56:15	1'000	40.4	SE	2024-02-27	14:30:39	2'000	40.16	SE
2024-02-26	15:56:15	1'000	40.4	SE	2024-02-27	14:40:24	2'000	40.17	SE
2024-02-26	16:01:45	1'000	40.37	SE	2024-02-27	14:48:05	2'000	40.18	SE
2024-02-26	16:07:02	1'000	40.44	SE	2024-02-27	14:58:24	2'000	40.25	SE
2024-02-26	16:07:03	1'000	40.44	SE	2024-02-27	15:06:02	2'000	40.24	SE
2024-02-26	16:11:02	1'000	40.42	SE	2024-02-27	15:17:13	2'000	40.21	SE
2024-02-26	16:16:40	1'000	40.43	SE	2024-02-27	15:19:52	2'000	40.23	SE
2024-02-26	16:24:15	1'000	40.44	SE	2024-02-28	09:09:22	121	40.41	SE
2024-02-26	16:25:51	1'000	40.44	SE	2024-02-28	09:09:56	406	40.41	SE
2024-02-26	16:30:51	2°000	40.45	SE	2024-02-28	09:09:56	1'000	40.41	SE
2024-02-26	16:30:51	1'000	40.44	SE	2024-02-28	09:19:39	74	40.37	SE
2024-02-26	16:30:51	1'000	40.44	SE	2024-02-28	09:19:39	1'000	40.37	SE
2024-02-26	16:39:40	1'000	40.45	SE	2024-02-28	09:19:39	900	40.37	SE
2024-02-26	16:43:21	1.000	40.42	SE	2024-02-28	09:32:02	247	40.3	SE
2024-02-26	16:43:21	1'000	40.42	SE	2024-02-28	09:32:02	1'000	40.3	SE
2024-02-26	16:47:07	1'000	40.43	SE	2024-02-28	09:41:04	432	40.4	SE
2024-02-26	16:47:07	1'000	40.43	SE	2024-02-28	09:42:09	926	40.38	SE
2024-02-26	16:55:56	1'000	40.45	SE	2024-02-28	09:49:22	674	40.39	SE
2024-02-26	16:55:56	1'000	40.45	SE	2024-02-28	09:53:42	506	40.38	SE
2024-02-27	09:11:18	1'000	40.55	SE	2024-02-28	09:55:28	1.000	40.39	SE
2024-02-27	09:11:18	1'000	40.55	SE	2024-02-28	10:04:51	1'000	40.4	SE
2024-02-27	09:29:04	1'000	40.51	SE	2024-02-28	10:04:51	1'000	40.4	SE
2024-02-27	09:30:14	1'000	40.48	SE	2024-02-28	10:15:55	1'000	40.35	SE
2024-02-27	09:36:31	2°000	40.54	SE	2024-02-28	10:15:55	1'000	40.35	SE
2024-02-27	09:54:43	1'000	40.49	SE	2024-02-28	10:31:32	1'000	40.37	SE
2024-02-27	10:08:44	1'000	40.44	SE	2024-02-28	10:31:32	327	40.37	SE
2024-02-27	10:08:44	1'000	40.44	SE	2024-02-28	10:38:05	1'000	40.36	SE
2024-02-27	10:19:40	1'000	40.4	SE	2024-02-28	10:38:05	1'000	40.36	SE
2024-02-27	10:19:40	1'000	40.4	SE	2024-02-28	10:50:32	507	40.37	SE
2024-02-27	10:31:30	1'000	40.45	SE	2024-02-28	10:50:32	1'000	40.37	SE

2024-02-28	10:59:01	351	40.33	SE	2024-02-28	15:07:04	522	40.31	SE
2024-02-28	11:01:28	344	40.33	SE	2024-02-28	15:07:05	900	40.31	SE
2024-02-28	11:12:52	323	40.33	SE	2024-02-28	15:07:41	523	40.31	SE
2024-02-28	11:12:56	1'000	40.34	SE	2024-02-28	15:07:41	1'000	40.31	SE
2024-02-28	11:12:56	500	40.33	SE	2024-02-28	15:10:01	463	40.32	SE
2024-02-28	11:12:56	500	40.33	SE	2024-02-28	15:28:37	1'000	40.32	SE
2024-02-28	11:21:40	1'000	40.32	SE	2024-02-28	15:28:37	1'000	40.32	SE
2024-02-28	11:27:55	791	40.26	SE	2024-02-28	15:28:37	1'000	40.31	SE
2024-02-28	11:29:56	791	40.31	SE	2024-02-28	15:28:37	1'000	40.31	SE
2024-02-28	11:37:12	1'000	40.32	SE	2024-02-28	15:28:38	369	40.32	SE
2024-02-28	11:43:02	1'000	40.36	SE	2024-02-28	15:28:54	24	40.32	SE
2024-02-28	11:43:02	1'000	40.36	SE	2024-02-28	15:28:54	383	40.32	SE
2024-02-28	11:54:08	791	40.31	SE	2024-02-28	15:29:17	273	40.32	SE
2024-02-28	12:00:30	812	40.31	SE	2024-02-28	15:33:45	487	40.3	SE
2024-02-28	12:05:30	1'000	40.3	SE	2024-02-28	15:33:45	1'000	40.3	SE
2024-02-28	12:05:30	1'000	40.3	SE	2024-02-28	15:35:49	532	40.3	SE
2024-02-28	12:21:14	1'000	40.36	SE	2024-02-28	15:35:49	468	40.3	SE
2024-02-28	12:21:14	1'000	40.36	SE	2024-02-28	15:35:49	1'000	40.3	SE
2024-02-28	12:30:42	1'000	40.36	SE
2024-02-28	12:30:42	1'000	40.36	SE
2024-02-28	12:42:31	331	40.35	SE
2024-02-28	12:45:32	1'000	40.35	SE
2024-02-28	12:52:01	824	40.35	SE
2024-02-28	13:00:57	1'000	40.31	SE
2024-02-28	13:09:28	327	40.3	SE
2024-02-28	13:09:31	323	40.3	SE
2024-02-28	13:09:31	1'000	40.3	SE
2024-02-28	13:15:08	794	40.29	SE
2024-02-28	13:25:53	1'000	40.31	SE
2024-02-28	13:25:53	1'000	40.31	SE
2024-02-28	13:32:10	1'000	40.28	SE
2024-02-28 2024-02-28	13:41:28 13:48:35	1'000 590	40.3 40.31	SE SE
2024-02-28	13:48:35	646	40.31	SE
2024-02-28	13:53:37	413	40.28	SE
2024-02-28	13:53:37	1'000	40.28	SE
2024-02-28	13:53:37	347	40.28	SE
2024-02-28	14:04:01	1'000	40.32	SE
2024-02-28	14:04:01	1'000	40.32	SE
2024-02-28	14:17:02	1'000	40.35	SE
2024-02-28	14:25:20	557	40.32	SE
2024-02-28	14:29:52	552	40.29	SE
2024-02-28	14:30:34	1	40.29	SE
2024-02-28	14:31:39	1'000	40.34	SE
2024-02-28	14:41:45	1'000	40.32	SE
2024-02-28	14:41:45	401	40.32	SE
2024-02-28	14:52:47	153	40.33	SE
2024-02-28	14:52:47	418	40.33	SE
2024-02-28	14-52-11	1'000	40 23	SE