144 0001859787 XXXXXXXX LIVE 0001858985 On Holding AG 001-40795 Forrlibuckstrasse 190 Zurich V8 8005 41-44-225-1555 Marc Maurer Officer Class A Ordinary Shares Goldman Sachs & Co. LLC 200 West Street New York NY 10282 68653 2812713.41 289296343 04/07/2025 NYSE Class A Ordinary Shares 12/21/2017 Acquired from Issuer in private transaction Issuer N 68653 12/21/2017 NA N Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/31/2025 1886 81303 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/31/2025 1886 81302 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/31/2025 1509 65121 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/24/2025 1886 90831 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/24/2025 1509 72706 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/24/2025 1886 90870 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/17/2025 1509 71951 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/17/2025 1886 89854 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/17/2025 1886 89838 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/10/2025 1886 84338 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/10/2025 1886 84331 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/10/2025 1509 67539 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/03/2025 1509 73849 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/03/2025 1886 92341 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/03/2025 1886 92319 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 02/24/2025 1886 91978 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 02/24/2025 1886 91967 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 02/24/2025 1509 73453 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 02/18/2025 1509 79799 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 02/18/2025 1886 99721 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 02/18/2025 1886 99677 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 02/10/2025 1509 83367 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 02/10/2025 1886 104178 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 02/10/2025 1886 104154 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 02/03/2025 1509 88103 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 02/03/2025 1886 110096 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 02/03/2025 1886 110112 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 01/27/2025 1509 89711 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 01/27/2025 1886 112106 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 01/27/2025 1886 112104 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 01/21/2025 1886 112604 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 01/21/2025 1886 112567 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 01/21/2025 1509 90115 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 01/13/2025 1509 82603 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 01/13/2025 1886 103248 Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 01/13/2025 1886 103245 The sales of shares set forth herein are made in connection with a selling plan dated 6/4/2024 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. 04/07/2025 06/04/2024 Goldman Sachs & Co. LLC on behalf of Marc Maurer