PARIS–(BUSINESS WIRE)–Regulatory News: In accordance with Article 5 of European Regulation no. 596/2014, Mercialys (Paris:MERY) announces having carried out the following share buyback transactions from September 7, 2026 to September 11, 2026: Issuer name Issuer identifier code (LEI) Transaction date Financial instrument identifier code (ISIN Code) Total daily volume (number of shares) Daily weighted average price for share purchases Market (MIC Code) MERCIALYS 969500081CGAXB7YS433 07/09/2026