AD HOC ANNOUNCEMENT pursuant to Art. 53 Listing Rules of SIX Swiss Exchange HALF YEAR REPORT 2022 The Adecco Group Half Year Report 2022 is now available in the Ad Hoc section of the Group’s website, which is directly accessible by clicking here [ https://www.adeccogroup.com/our-group/media/press-releases/?tags=INVESTORS%20ADHOC%20PUBLICATION ]. Contact - Investor Relations, +41 (0)44 878 88 88 Logo - https://mma.prnewswire.com/media/1197818/The_Adecco_Group_Logo.jpg Source - The Adecco Group