ABB Ltd: ABB share buybacks - August 27, 2026 - September 2, 2026

──────────────────────────────────────────────────────────────────────────────── ABB Ltd: ABB share buybacks - August 27, 2026 - September 2, 2026 Zurich, Switzerland, september 2, 2026 ABB share buybacks August 27, 2026 – September 2, 2026 During the period August 27, 2026, to September 2, 2026, ABB repurchased a total of 620,997 shares as part of its share buyback program announced on February 6, 2026. 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 │Daily weighted average │Daily buyback │(number of shares) │share price (CHF) │amount │ │ │(CHF) ────────┼──────────────────────────┼──────────────────────────┼───────────────── 27-Aug-2│153,000 │80.0524 │12,248,010.93 026 │ │ │ ────────┼──────────────────────────┼──────────────────────────┼───────────────── 28-Aug-2│91,997 │80.3093 │7,388,215.59 026 │ │ │ ────────┼──────────────────────────┼──────────────────────────┼───────────────── 31-Aug-2│133,000 │79.6497 │10,593,414.09 026 │ │ │ ────────┼──────────────────────────┼──────────────────────────┼───────────────── 1-Sep-20│126,000 │78.3681 │9,874,378.96 26 │ │ │ ────────┼──────────────────────────┼──────────────────────────┼───────────────── 2-Sep-20│117,000 │77.4900 │9,066,325.91 26 │ │ │ ────────┴──────────────────────────┴──────────────────────────┴───────────────── 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 9, 2026, to and including September 2, 2026, is 7,758,977 shares. Additional information is available on ABB’s investor relations website site at https://global.abb/group/en/investors/investor-and-shareholder-resources/share-b uybacks/2026 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 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) ──────────────────────────────────────────────────────────────────────────────── — For more information please contact: ────────────────────────────┬──────────────────────────────┬──────────────────── Media Relations │Investor Relations │ABB Ltd Phone: +41 43 317 71 11 │Phone: +41 43 317 71 11 │Affolternstrasse 44 Email: │Email: │8050 Zurich media.relations@ch.abb.com │investor.relations@ch.abb.com │Switzerland ────────────────────────────┴──────────────────────────────┴──────────────────── File: ABB share buybacks_Aug 27 2026 - Sep 02 2026 ──────────────────────────────────────────────────────────────────────────────── ────────────┬─────────────────── Language: │English ────────────┼─────────────────── Company: │ABB Ltd ────────────┼─────────────────── │Affolternstrasse 44 ────────────┼─────────────────── │8050 Zurich ────────────┼─────────────────── │Switzerland ────────────┼─────────────────── Phone: │+41 43 317 7111 ────────────┼─────────────────── Internet: │www.abb.com ────────────┼─────────────────── ISIN: │CH0012221716 ────────────┼─────────────────── EQS News ID:│2393320 ────────────┴─────────────────── / 69 Changes in company's own shares Dissemination of a Swedish Regulatory News, transmitted by EQS Group. The issuer is solely responsible for the content of this announcement. ───────────────────┬──────────────── End of Announcement│EQS News Service ───────────────────┴──────────────── 2393320 03.09.2026 CET/CEST [ ] [1]: https://nwr.eqs-cockpit.com/fncls2.ssx?fn=redirect&url=010dbfb747dff70ae2e5 2db7911bd0fa&application_id=2393320&site_id=millistream~~~e52a9752-a972-4c54-acb 1-d1cf506a967a&application_name=news [2]: https://nwr.eqs-cockpit.com/fncls2.ssx?fn=redirect&url=f5d50dc7e8798b6eb177 f7955e598e60&application_id=2393320&site_id=millistream~~~e52a9752-a972-4c54-acb 1-d1cf506a967a&application_name=news