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 ...