ABB Ltd

Transaction in Own Shares • Oct 30, 2025

ZURICH, SWITZERLAND, OCTOBER 30, 2025

ABB share buybacks

October 23, 2025 – October 29, 2025

During the period October 23, 2025, to October 29, 2025, ABB repurchased a total of 189'053 shares as part of its share buyback program announced on February 7, 2025.

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)
23-Oct-25	28'012	57.9654	1'623'727.63
24-Oct-25	33'500	58.8558	1'971'670.00
27-Oct-25	57'000	59.4582	3'389'118.77
28-Oct-25	33'041	59.3653	1'961'490.33
29-Oct-25	37'500	59.5304	2'232'390.00

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 February 10, 2025, to and including October 29, 2025, 18'052'173 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/2025

ABB is a global technology leader in electrification and automation, enabling a more sustainable and resource-efficient future. By connecting its engineering and digitalization expertise, ABB helps industries run at high performance, while becoming more efficient, productive and sustainable so they outperform. At ABB, we call this 'Engineered to Outrun'. The company has over 140 years of history and around 110,000 employees worldwide. ABB's shares are listed on the SIX Swiss Exchange (ABBN) and Nasdaq Stockholm (ABB). 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	24-Oct-25	11:38:27	1'500	58.9	SE
23-Oct-25	09:04:57	887	58.08	SE	24-Oct-25	11:55:02	1'000	58.96	SE
23-Oct-25	09:04:57	1'000	58.08	SE	24-Oct-25	12:07:57	500	58.96	SE
23-Oct-25	09:04:58	113	58.08	SE	24-Oct-25	12:15:50	1'000	58.96	SE
23-Oct-25	09:08:33	1'000	58.06	SE	24-Oct-25	12:30:35	1'000	58.92	SE
23-Oct-25	09:17:14	1'000	58.02	SE	24-Oct-25	12:49:59	1'000	58.78	SE
23-Oct-25	09:17:14	573	58.02	SE	24-Oct-25	13:05:48	1'000	58.82	SE
23-Oct-25	09:44:13	1'000	57.88	SE	24-Oct-25	13:20:52	500	58.8	SE
23-Oct-25	09:58:33	1'000	57.92	SE	24-Oct-25	13:30:00	1'000	58.78	SE
23-Oct-25	10:08:53	1'000	57.92	SE	24-Oct-25	13:38:30	500	58.8	SE
23-Oct-25	10:23:02	1'535	57.92	SE	24-Oct-25	14:05:19	1'000	58.9	SE
23-Oct-25	10:41:40	521	57.86	SE	24-Oct-25	14:05:19	1'000	58.88	SE
23-Oct-25	10:49:23	1'000	57.78	SE	24-Oct-25	14:26:23	1'000	58.84	SE
23-Oct-25	11:02:55	538	57.94	SE	24-Oct-25	14:32:09	1'000	59	SE
23-Oct-25	11:10:48	1'000	57.84	SE	24-Oct-25	14:40:38	1'000	58.92	SE
23-Oct-25	11:29:49	1'000	57.92	SE	24-Oct-25	14:59:35	500	58.88	SE
23-Oct-25	11:43:10	316	58	SE	24-Oct-25	15:00:31	1'000	58.88	SE
23-Oct-25	11:43:10	1'684	58	SE	24-Oct-25	15:06:10	1'000	58.88	SE
23-Oct-25	12:07:48	701	57.94	SE	24-Oct-25	15:16:45	1'000	58.82	SE
23-Oct-25	12:21:05	518	57.9	SE	24-Oct-25	15:27:23	500	58.9	SE
23-Oct-25	12:30:41	698	58.02	SE	27-Oct-25	09:05:00	500	59.44	SE
23-Oct-25	12:47:35	1'000	57.84	SE	27-Oct-25	09:05:00	500	59.44	SE
23-Oct-25	13:10:08	1'000	58.02	SE	27-Oct-25	09:05:00	500	59.44	SE
23-Oct-25	13:29:43	708	58.12	SE	27-Oct-25	09:05:57	500	59.44	SE
23-Oct-25	13:43:20	1'000	58	SE	27-Oct-25	09:07:41	88	59.44	SE
23-Oct-25	14:01:44	1'000	57.84	SE	27-Oct-25	09:07:42	500	59.44	SE
23-Oct-25	14:01:44	1'000	57.84	SE	27-Oct-25	09:07:42	500	59.44	SE
23-Oct-25	14:35:14	1'000	57.92	SE	27-Oct-25	09:07:42	500	59.44	SE
23-Oct-25	14:44:45	532	57.94	SE	27-Oct-25	09:07:42	412	59.44	SE
23-Oct-25	14:51:07	1'000	58.02	SE	27-Oct-25	09:24:40	500	59.54	SE
23-Oct-25	15:04:28	688	58.08	SE	27-Oct-25	09:32:51	113	59.48	SE
23-Oct-25	15:13:45	1'000	58.1	SE	27-Oct-25	09:33:38	78	59.48	SE
23-Oct-25	15:24:38	1'000	58.14	SE	27-Oct-25	09:34:00	422	59.48	SE
24-Oct-25	09:07:23	500	58.76	SE	27-Oct-25	09:39:44	268	59.6	SE
24-Oct-25	09:07:56	1'000	58.78	SE	27-Oct-25	09:42:28	500	59.64	SE
24-Oct-25	09:09:17	1'000	58.8	SE	27-Oct-25	09:48:25	500	59.58	SE
24-Oct-25	09:19:46	1'000	58.88	SE	27-Oct-25	09:53:09	500	59.54	SE
24-Oct-25	09:30:22	1'000	58.68	SE	27-Oct-25	09:55:06	500	59.56	SE
24-Oct-25	09:31:33	500	58.68	SE	27-Oct-25	09:56:17	500	59.62	SE
24-Oct-25	09:43:39	1'000	58.78	SE	27-Oct-25	10:06:32	500	59.52	SE
24-Oct-25	09:55:24	1'000	58.84	SE	27-Oct-25	10:08:37	500	59.44	SE
24-Oct-25	10:04:22	1'000	58.84	SE	27-Oct-25	10:16:34	500	59.48	SE
24-Oct-25	10:10:40	500	58.86	SE	27-Oct-25	10:21:48	1'000	59.5	SE
24-Oct-25	10:22:04	1'000	58.92	SE	27-Oct-25	10:21:56	1'000	59.5	SE
24-Oct-25	10:30:39	1'000	58.84	SE	27-Oct-25	10:37:03	500	59.6	SE
24-Oct-25	10:42:09	1'000	58.82	SE	27-Oct-25	10:39:31	1'000	59.6	SE
24-Oct-25	10:51:30	1'000	58.88	SE	27-Oct-25	10:58:09	500	59.6	SE
24-Oct-25	11:02:50	1'000	58.84	SE	27-Oct-25	10:58:09	1'000	59.6	SE
24-Oct-25	11:21:27	1'000	58.84	SE	27-Oct-25	11:03:50	1'000	59.52	SE
24-Oct-25	11:30:00	1'000	58.92	SE	27-Oct-25	11:03:50	500	59.52	SE

ABB SHARE BUYBACKS 2/4

27-Oct-25	11:30:41	1'000	59.56	SE	28-Oct-25	09:23:04	500	59.14	SE
27-Oct-25	11:42:18	500	59.56	SE	28-Oct-25	09:31:39	103	59.12	SE
27-Oct-25	11:48:36	500	59.54	SE	28-Oct-25	09:32:41	500	59.16	SE
27-Oct-25	11:53:31	396	59.56	SE	28-Oct-25	09:37:12	500	59.16	SE
27-Oct-25	11:59:14	1'000	59.6	SE	28-Oct-25	09:40:02	500	59.18	SE
27-Oct-25	12:11:29	500	59.6	SE	28-Oct-25	09:46:20	500	59.3	SE
27-Oct-25	12:20:10	1'000	59.56	SE	28-Oct-25	09:52:40	500	59.3	SE
27-Oct-25	12:32:35	500	59.54	SE	28-Oct-25	09:57:28	715	59.36	SE
27-Oct-25	12:41:05	500	59.6	SE	28-Oct-25	10:11:27	500	59.5	SE
27-Oct-25	12:50:14	500	59.56	SE	28-Oct-25	10:18:22	500	59.48	SE
27-Oct-25	12:58:42	286	59.54	SE	28-Oct-25	10:18:22	500	59.48	SE
27-Oct-25	13:02:58	1'000	59.6	SE	28-Oct-25	10:18:22	500	59.48	SE
27-Oct-25	13:21:08	1'000	59.5	SE	28-Oct-25	10:34:09	500	59.36	SE
27-Oct-25	13:35:32	1'000	59.44	SE	28-Oct-25	10:38:22	301	59.3	SE
27-Oct-25	13:50:45	600	59.44	SE	28-Oct-25	10:42:27	500	59.28	SE
27-Oct-25	13:59:27	780	59.46	SE	28-Oct-25	10:49:33	47	59.3	SE
27-Oct-25	14:10:17	1'000	59.46	SE	28-Oct-25	10:49:33	500	59.3	SE
27-Oct-25	14:24:25	964	59.42	SE	28-Oct-25	10:53:55	500	59.3	SE
27-Oct-25	14:24:25	886	59.42	SE	28-Oct-25	11:00:00	500	59.28	SE
27-Oct-25	14:40:26	652	59.26	SE	28-Oct-25	11:09:55	68	59.24	SE
27-Oct-25	14:46:01	1'000	59.3	SE	28-Oct-25	11:10:15	170	59.28	SE
27-Oct-25	14:58:16	1'000	59.34	SE	28-Oct-25	11:10:37	189	59.28	SE
27-Oct-25	14:58:16	1'000	59.34	SE	28-Oct-25	11:10:37	141	59.28	SE
27-Oct-25	15:15:32	1'000	59.34	SE	28-Oct-25	11:12:33	500	59.26	SE
27-Oct-25	15:15:32	782	59.34	SE	28-Oct-25	11:18:12	519	59.3	SE
27-Oct-25	15:22:23	1'000	59.38	SE	28-Oct-25	11:25:33	166	59.32	SE
27-Oct-25	15:22:28	1'000	59.38	SE	28-Oct-25	11:26:36	334	59.32	SE
27-Oct-25	15:29:09	944	59.38	SE	28-Oct-25	11:29:09	500	59.34	SE
27-Oct-25	15:38:13	500	59.44	SE	28-Oct-25	11:40:10	500	59.32	SE
27-Oct-25	15:38:14	500	59.44	SE	28-Oct-25	11:41:14	500	59.32	SE
27-Oct-25	15:38:35	1'000	59.42	SE	28-Oct-25	11:48:59	500	59.3	SE
27-Oct-25	15:42:09	1'000	59.38	SE	28-Oct-25	11:54:43	30	59.34	SE
27-Oct-25	15:42:09	1'000	59.38	SE	28-Oct-25	11:55:04	500	59.36	SE
27-Oct-25	15:47:37	500	59.44	SE	28-Oct-25	11:57:02	1'300	59.36	SE
27-Oct-25	15:54:17	563	59.38	SE	28-Oct-25	11:57:25	89	59.32	SE
27-Oct-25	15:55:23	938	59.4	SE	28-Oct-25	12:17:47	500	59.28	SE
27-Oct-25	16:00:00	1'000	59.42	SE	28-Oct-25	12:26:37	500	59.32	SE
27-Oct-25	16:04:53	615	59.4	SE	28-Oct-25	12:30:11	500	59.26	SE
27-Oct-25	16:06:08	1'000	59.4	SE	28-Oct-25	12:44:05	467	59.32	SE
27-Oct-25	16:09:32	1'000	59.42	SE	28-Oct-25	12:53:55	500	59.38	SE
27-Oct-25	16:13:55	942	59.36	SE	28-Oct-25	12:54:05	500	59.34	SE
27-Oct-25	16:18:30	906	59.38	SE	28-Oct-25	13:08:24	500	59.38	SE
27-Oct-25	16:22:09	1'000	59.42	SE	28-Oct-25	13:19:36	249	59.4	SE
27-Oct-25	16:26:16	885	59.44	SE	28-Oct-25	13:21:39	90	59.4	SE
27-Oct-25	16:40:41	563	59.44	SE	28-Oct-25	13:31:07	500	59.44	SE
27-Oct-25	16:40:41	563	59.44	SE	28-Oct-25	13:32:03	500	59.48	SE
27-Oct-25	16:41:15	615	59.44	SE	28-Oct-25	13:40:44	500	59.42	SE
27-Oct-25	16:41:15	563	59.44	SE	28-Oct-25	14:06:19	168	59.36	SE
27-Oct-25	16:41:21	1'000	59.44	SE	28-Oct-25	14:06:19	120	59.36	SE
27-Oct-25	16:45:05	898	59.44	SE	28-Oct-25	14:06:19	380	59.36	SE
27-Oct-25	16:52:10	1'000	59.42	SE	28-Oct-25	14:06:19	500	59.36	SE
27-Oct-25	16:54:08	278	59.42	SE	28-Oct-25	14:06:28	1	59.36	SE
28-Oct-25	09:05:38	500	59.2	SE	28-Oct-25	14:06:39	500	59.38	SE
28-Oct-25	09:05:41	500	59.26	SE	28-Oct-25	14:07:11	500	59.38	SE
28-Oct-25	09:05:41	500	59.24	SE	28-Oct-25	14:19:32	500	59.54	SE
28-Oct-25	09:06:17	500	59.26	SE	28-Oct-25	14:27:31	500	59.54	SE
28-Oct-25	09:08:55	500	59.28	SE	28-Oct-25	14:31:12	500	59.64	SE
28-Oct-25	09:13:03	500	59.26	SE	28-Oct-25	14:35:17	169	59.68	SE
28-Oct-25	09:17:59	500	59.22	SE	28-Oct-25	14:42:36	14	59.6	SE

ABB SHARE BUYBACKS 3/4

28 -Oct -25	14:42:39	486	59.6	SE
28 -Oct -25	14:42:40	141	59.6	SE
28 -Oct -25	14:42:40	500	59.6	SE
28 -Oct -25	14:42:40	500	59.6	SE
28 -Oct -25	14:42:40	500	59.6	SE
28 -Oct -25	14:45:01	331	59.52	SE
28 -Oct -25	15:03:24	500	59.44	SE
28 -Oct -25	15:08:01	240	59.4	SE
28 -Oct -25	15:09:43	13	59.38	SE
28 -Oct -25	15:10:11	500	59.4	SE
28 -Oct -25	15:10:32	500	59.4	SE
28 -Oct -25	15:19:21	500	59.44	SE
28 -Oct -25	15:24:50	500	59.42	SE
28 -Oct -25	15:30:04	500	59.48	SE
29 -Oct -25	09:03:44	1'000	59.46	SE
29 -Oct -25	09:03:44	1'000	59.46	SE
29 -Oct -25	09:09:37	500	59.5	SE
29 -Oct -25	09:13:39	500	59.52	SE
29 -Oct -25	09:16:53	500	59.56	SE
29 -Oct -25	09:20:55	1'500	59.74	SE
29 -Oct -25	09:35:38	1'000	59.56	SE
29 -Oct -25	09:44:27	1'000	59.5	SE
29 -Oct -25	09:55:06	1'000	59.38	SE
29 -Oct -25	10:05:39	1'000	59.42	SE
29 -Oct -25	10:15:57	1'000	59.42	SE
29 -Oct -25	10:16:22	1'500	59.42	SE
29 -Oct -25	10:42:02	1'000	59.5	SE
29 -Oct -25	10:51:24	1'000	59.52	SE
29 -Oct -25	10:51:24	1'000	59.52	SE
29 -Oct -25	11:07:38	500	59.6	SE
29 -Oct -25	11:21:02	1'000	59.56	SE
29 -Oct -25	11:28:52	1'000	59.64	SE
29 -Oct -25	11:46:41	1'000	59.7	SE
29 -Oct -25	11:54:07	1'000	59.74	SE
29 -Oct -25	12:04:53	1'000	59.7	SE
29 -Oct -25	12:12:41	500	59.76	SE
29 -Oct -25	12:26:54	1'000	59.64	SE
29 -Oct -25	12:42:12	1'000	59.64	SE
29 -Oct -25	13:03:21	1'000	59.6	SE
29 -Oct -25	13:21:50	1'000	59.6	SE
29 -Oct -25	13:34:50	1'000	59.5	SE
29 -Oct -25	13:58:05	459	59.5	SE
29 -Oct -25	13:58:05	41	59.5	SE
29 -Oct -25	14:02:51	1'000	59.38	SE
29 -Oct -25	14:11:05	1'000	59.38	SE
29 -Oct -25	14:23:16	1'000	59.32	SE
29 -Oct -25	14:32:06	1'000	59.42	SE
29 -Oct -25	14:40:13	1'000	59.46	SE
29 -Oct -25	14:42:29	1'000	59.42	SE
29 -Oct -25	15:03:00	1'000	59.52	SE
29 -Oct -25	15:11:28	1'000	59.52	SE
29 -Oct -25	15:18:13	500	59.54	SE
29 -Oct -25	15:25:41	1'000	59.64	SE
29 -Oct -25	15:50:32	1'000	59.52	SE
29 -Oct -25	15:50:32	1'000	59.52	SE

ABB SHARE BUYBACKS 4 / 4