EXHIBIT 99.1 Addex Reports Full Year 2022 Financial Results and Provides Corporate Update CHF 7.0M ($ 7.4M) of cash and cash equivalents at December 31, 2022 ADX71149 Phase 2 study in epilepsy cohort 1 completes part 1 – independent interim review committee (IRC) recommendation expected early Q2 2023 Ad Hoc Announcement Pursuant to Art. 53 LR Geneva, Switzerland, March 30, 2023 - Addex Therapeutics (SIX: ADXN and Nasdaq: ADXN), a clinical- stage pharmaceutical company pioneering allosteric modulation-based ...

Addex Therapeutics Ltd (NASDAQ:ADXN) Q3 2022 Earnings Conference Call November 11, 2022 11:00 AM ET Company Participants Tim Dyer - Co-Founder, Board Director and CEO Robert Lutjens - Head of Discovery, Biology Mikhail Kalinichev - Head of Translational Science Conference Call Participants Leonildo Delgado - Baader-Helvea Tim Dyer Hello, everyone. I'd like to thank you all for joining our Quarter Three 2022 Financial Results Conference Call. I'm here with Robert Lutjens, our Head of Discovery, Biology; and ...

Addex Therapeutics Ltd (NASDAQ:ADXN) Q2 2022 Earnings Conference Call August 18, 2022 10:00 AM ET Company Participants Tim Dyer - Co-Founder, Board Director and CEO Roger Mills - Chief Medical Officer Robert Lütjens - Head of Discovery, Biology Conference Call Participants Raghuram Selvaraju - HC Wainwright Bob Pooler - valuationLAB AG Operator Good day and thank you for standing by. Welcome to the Addex Therapeutics to Announce Half Year 2022 Financial Results and provide Corporate Update Conference Call. ...

Addex Therapeutics Limited (NASDAQ:ADXN) Q4 2021 Earnings Conference Call March 10, 2022 10:00 AM ET Company Participants Tim Dyer - CEO Roger Mills - Chief Medical Officer Robert Lutjens - Head of Discovery Biology Conference Call Participants Raghuram Selvaraju - HC Wainwright Bob Pooler - valuationLAB AG Charles Duncan - Cantor Fitzgerald Tim Dyer Hello, everyone. I would like to thank you all for joining our 2020 full year financial results conference call. I am here with Roger Mills, our Chief Medical ...