ABB Ltd

Transaction in Own Shares • Nov 6, 2020

ZURICH, SWITZERLAND, NOVEMBER 6, 2020

Disclosure of 5 percent holding of own shares

On November 4, 2020, ABB held 109,359,211 of its own shares, which corresponds to 5.04 percent of total share capital and voting rights in the company. This includes 89,326,859 shares purchased for capital reduction purposes as part of its share buyback program announced on July 22, 2020. ABB's total number of issued shares, including shares held in treasury, amounts to 2,168,148,264.

Additional information is available on ABB's investor relations website site at https://global.abb/group/en/investors/investor-and-shareholder-resources/share-buyback-program.

This is information that ABB is required to disclose in accordance with the Financial Instruments Trading Act (Sweden). The information was submitted for publication at 11.00 a.m. on November 6, 2020 (CET).

ABB (ABBN: SIX Swiss Ex) is a leading global technology company that energizes the transformation of society and industry to achieve a more productive, sustainable future. By connecting software to its electrification, robotics, automation and motion portfolio, ABB pushes the boundaries of technology to drive performance to new levels. With a history of excellence stretching back more than 130 years, ABB's success is driven by about 110,000 talented employees in over 100 countries. www.abb.com

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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

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