144 0001860218 XXXXXXXX LIVE 0001858985 ON HOLDING AG 001-40795 Forrlibuckstrasse 190 Zurich V8 8005 41-44-225-15-55 Martin Hoffman Officer Class A Ordinary Shares Goldman Sachs & Co. LLC 200 West Street New York NY 10282 306405 9942842.25 281976387 04/28/2023 NYSE Class A Ordinary Shares 12/21/2017 Equity Compensation -Restricted Stock Units Issuer N 306405 12/21/2017 For services rendered N Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/22/2023 6732 188952.43 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/23/2023 19812 597520.01 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/12/2023 921 27396.8 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/24/2023 1585 52406.6 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/04/2023 1500 49619.85 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/29/2023 921 28423.44 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/03/2023 921 28881.82 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/03/2023 600 19257.72 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/24/2023 921 28438.45 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/12/2023 921 27649.16 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/05/2023 300 8843.01 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/03/2023 1543 47038.97 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/29/2023 1843 56075.12 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/24/2023 1121 34757.05 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/22/2023 1200 34929.96 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/17/2023 921 28028.15 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 02/02/2023 3976 95507.5 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/21/2023 48900 1624174.38 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/17/2023 921 28090.87 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/19/2023 2000 64575 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/03/2023 921 28585.54 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/21/2023 1100 35840.97 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/21/2023 28788 779671.16 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/20/2023 16215 527255.05 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/23/2023 1999 62905.13 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/24/2023 2243 68441.78 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/17/2023 1843 55831.1 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/20/2023 1910 63088.06 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/21/2023 21212 584059.69 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/24/2023 18190 607382.29 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/04/2023 48500 1578301.55 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/26/2023 1843 60520.25 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/12/2023 1843 54182.54 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/26/2023 921 30672.25 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/24/2023 45001 1411987.38 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/26/2023 921 30880.39 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/18/2023 300 9600.9 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/29/2023 921 28523.19 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/14/2023 200 6417 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 02/01/2023 2500 60077.5 The sales of shares set forth herein are made in connection with a selling plan dated 09/05/2022 that is intended to comply with Rule 10b5-1(c). The representation below regarding the seller's knowledge of material information was true as of the date the selling plan was entered into. 04/28/2023 09/05/2022 Goldman Sachs & Co. LLC on behalf of Martin Hoffman