ExpreS2ion Biotech Holding AB announced that Dr. Mattis Ranthe, Chief Medical Officer, and Dr. Mette Thorn, Senior Vice President of Preclinical Development, are stepping down from their positions in the Company following the future strategic focus on ExpreS2ion's exploratory vaccine pipeline and technology platforms, as announced on 17 August 2023. Dr. Ranthe will continue supporting the Company through the end of 2023 to ensure the transition of his responsibilities. Dr. Thorn's last day is 29 September 2023, and her responsibilities will be covered by internal resources.