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Addex Appoints Bank of New York Mellon as Depositary Bank

Company Overview - Addex Therapeutics is a clinical-stage biopharmaceutical company focused on developing novel small molecule allosteric modulators for neurological disorders [3] - The lead drug candidate, dipraglurant, is being evaluated for brain injury recovery, including post-stroke and traumatic brain injury recovery [3] - Addex has a partnership with Indivior for a GABAB PAM drug candidate aimed at substance use disorders, which has completed IND enabling studies [3] - The company is also advancing an independent GABAB PAM program for chronic cough and holds a 20% equity interest in Neurosterix LLC, which is developing allosteric modulator programs for various neurological conditions [3] Recent Developments - Addex Therapeutics announced the appointment of the Bank of New-York Mellon (BNY) as its new ADS depositary agent, effective October 6, 2025 [1] - The appointment of BNY will not impact the fees paid by ADS holders, and no action is required from them at the effective date [2] Stock Information - Addex shares are listed on the SIX Swiss Exchange and American Depositary Shares are listed on the NASDAQ Capital Market under the ticker symbol "ADXN" [3]