ABB share buybacks: September 16, 2021 - September 22, 2021

Zurich, Switzerland, September 23, 2021

During the period September 16, 2021, to September 22, 2021, ABB repurchased a total of 2,330,000 shares as part of its share buyback program announced on April 8, 2021.

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 16, 2021	350,000	33.847000	11,846,450.00
Sep 17, 2021	550,000	33.859900	18,622,945.00
Sep 20, 2021	550,000	32.233500	17,728,425.00
Sep 21, 2021	550,000	32.615700	17,938,635.00
Sep 22, 2021	330,000	32.413300	10,696,389.00

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 April 9, 2021, to and including September 22, 2021, is 22,372,600 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/2021

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 105,000 talented employees in over 100 countries.

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ABB Ltd
Affolternstrasse 44
8050 Zurich
Switzerland

For further information, please refer to www.abb.com/news

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