Biophytis Announces ADR Ratio Change: From 100 To 4,000 Shares Per ADS, Effective April 23

Biophytis SA (Nasdaq CM:BPTS)(PARIS:ALBPS), ("Biophytis" or the "Company"), a clinical-stage biotechnology company specialized in thedevelopment oftherapeutics for age-related diseases, today annouces that it will change the ratio of its American Depositary Shares (the "ADSs") to Biophytis ordinary shares (the "Shares") from one ADS representing 100 Shares, to one ADS representing 4,000 Shares (the "Ratio Change"). The effective date of the Ratio Change (the "Effective Date") is expected to be April 23, 2024.