Addex Therapeutics Ltd (ADXN)

Addex Therapeutics Ltd (NASDAQ:ADXN ) Q2 2025 Earnings Call October 1, 2025 10:00 AM EDT Company Participants Timothy Dyer - Co-Founder, CEO & Director Mikhail Kalinichev - Head of Translational Science Conference Call Participants Bob Pooler - ValuationLAB AG Raghuram Selvaraju - H.C. Wainwright & Co, LLC, Research Division Presentation Operator Good day, and thank you for standing by.

Cash position of CHF 2.3 million at end of H1 2025 GABAB PAM chronic cough candidate demonstrated robust anti-tussive activity in disease models Regained rights to phase 2 mGlu2 PAM asset, ADX71149 Indivior advanced GABAB PAM substance use disorders program successfully through IND enabling studies Entered option agreement with Sinntaxis for exclusive license to intellectual property covering the use of mGlu5 NAM in brain injury recovery Invested in Stalicla SA, confirming commitment to advancing innovative treatments for CNS disorders Ad Hoc Announcement Pursuant to Art. 53 LR Geneva, Switzerland, September 30, 2025 - Addex Therapeutics (SIX and Nasdaq: ADXN), a clinical-stage biopharmaceutical company focused on developing a portfolio of novel small molecule allosteric modulators for neurological disorders, today reported its half-year and second quarter financial results for the periods ended June 30, 2025, and provided a corporate update.

Geneva, Switzerland, September 26, 2025 - Addex Therapeutics (SIX/NASDAQ: ADXN), a clinical-stage biopharmaceutical company focused on developing a portfolio of novel small molecule allosteric modulators for neurological disorders, today announced that it will report its Half-Year and Second Quarter 2025 Financial Results on September 30, 2025 and host a conference call to discuss the results on October 1, 2025. Tim Dyer, CEO and Mikhail Kalinichev, Head of Translational Science, will provide a business update and review of the Addex product pipeline during a teleconference and webcast for investors, analysts and media at 16:00 CEST (15:00 BST / 10:00 EDT / 07:00 PDT) on October 1, 2025.

Ad Hoc Announcement Pursuant to Art. 53 LR Geneva, Switzerland, September 23, 2025 - Addex Therapeutics (SIX and Nasdaq: ADXN), a clinical-stage biopharmaceutical company focused on developing a portfolio of novel small molecule allosteric modulators for neurological disorders, today announced the appointment the Bank of New-York Mellon (BNY) as its new ADS depositary agent.

Ad Hoc Announcement Pursuant to Art. 53 LR Geneva, Switzerland – June 30, 2025 – Addex Therapeutics (SIX: ADXN), a clinical-stage biopharmaceutical company focused on developing a portfolio of novel small molecule allosteric modulators for neurological disorders, today announced it has led a CHF 2 million investment in Stalicla, a clinical-stage company focused on precision medicine for neurodevelopmental and neuropsychiatric disorders.

Press Release Stalicla Secures CHF 2 Million Financing Led by Addex Therapeutics to Advance Precision Medicine Neurodevelopmental Disorder Programs Geneva, Switzerland – June 30, 2025 – STALICLA SA, a Geneva-based clinical-stage biotech company pioneering precision medicine for neurodevelopmental and neuropsychiatric disorders, today announced the successful closing of a CHF 2 million financing led by Addex Therapeutics. This financing will sustain operations and program development in neurodevelopmental disorders as Stalicla prepares for its upcoming Series C and the partnering of key programs.

Ad Hoc Announcement Pursuant to Art. 53 LR  Geneva, Switzerland, June 25, 2025 - Addex Therapeutics (SIX: ADXN and Nasdaq: ADXN), a clinical-stage pharmaceutical company pioneering allosteric modulation-based drug discovery and development, announced today that its shareholders approved, with a large majority, all proposals of the board of directors in its 2025 Annual General Meeting (AGM).

Strong cash position of CHF2.8 million at end of Q1 2025 GABAB PAM chronic cough candidate demonstrated robust anti-tussive activity in disease models Regained rights to our phase 2 mGlu2 PAM asset, ADX71149 Indivior advanced GABAB PAM Substance use disorders program successfully through IND enabling studies Entered option agreement with Sinntaxis for an exclusive license to intellectual property covering the use of mGlu5 NAM in brain injury recovery Ad Hoc Announcement Pursuant to Art. 53 LR Geneva, Switzerland, June 19, 2025 - Addex Therapeutics (SIX and Nasdaq: ADXN), a clinical-stage biopharmaceutical company focused on developing a portfolio of novel small molecule allosteric modulators for neurological disorders, today reported its Q1 2025 financial results and provided a corporate update.

Geneva, Switzerland, June 18, 2025 - Addex Therapeutics (SIX/NASDAQ: ADXN), a clinical-stage biopharmaceutical company focused on developing a portfolio of novel small molecule allosteric modulators for neurological disorders, today announced that it will issue its Q1 2025 Financial Results on June 19, 2025. Tim Dyer, CEO and Mikhail Kalinichev, Head of Translational Science, will provide a business update and review of the Addex product pipeline during a teleconference and webcast for investors, analysts and media at 16:00 CEST (15:00 BST / 10:00 EDT / 07:00 PDT) the same day.

Ad Hoc Announcement Pursuant to Art. 53 LR  Geneva, Switzerland, June 6, 2025 - Addex Therapeutics (SIX: ADXN and Nasdaq: ADXN), a clinical-stage biopharmaceutical company focused on developing a portfolio of novel small molecule allosteric modulators for neurological disorders, announced today robust anti-tussive activity of its novel gamma-aminobutyric acid sub-type B receptor (GABAB) positive allosteric modulator (PAM) in multiple preclinical models of chronic cough compared to reference drugs.

Geneva, Switzerland, June 3, 2025 - Addex Therapeutics (SIX: ADXN and Nasdaq: ADXN), a clinical-stage biopharmaceutical company focused on developing a portfolio of novel small molecule allosteric modulators for neurological disorders, announced today that its 2025 Annual General Meeting will take place on Tuesday June 24, 2025, at 11:00 am CEST at the Campus Biotech, Chemin des Mines 9, 1202 Geneva (doors open at 10:30 am).

Ad Hoc Announcement Pursuant to Art. 53 LR Geneva, Switzerland, May 12, 2025 - Addex Therapeutics (SIX/NASDAQ: ADXN), a clinical-stage biopharmaceutical company focused on developing a portfolio of novel small molecule allosteric modulators for neurological disorders, announced today partner Indivior has successfully advanced its GABAB positive allosteric modulator (PAM) program through IND enabling studies.

Ad Hoc Announcement Pursuant to Art. 53 LR Geneva, Switzerland, April 30, 2025 - Addex Therapeutics (SIX/NASDAQ: ADXN), a clinical-stage biopharmaceutical company focused on developing a portfolio of novel small molecule allosteric modulators for neurological disorders, announced today that it has entered into an option- and collaboration agreement with Sinntaxis AB (www.sinntaxis.com) for an exclusive license to intellectual property covering the use of metabotropic glutamate receptor subtype 5 (mGlu5) inhibitors for the treatment of brain injury recovery.

Addex Therapeutics Ltd (NASDAQ:ADXN ) Q4 2024 Earnings Conference Call April 25, 2025 10:00 AM ET Company Participants Tim Dyer - Co-Founder, Board Director and Chief Executive Officer Mikhail Kalinichev - Head, Translational Science Conference Call Participants Peter Ehrlich - AikenSalt Raghuram Selvaraju - HC Wainwright & Co Tim Dyer Hello everyone. I would like to thank you all for attending our 2024 Full Year Financial Results Conference Call.

Launched Neurosterix with Perceptive Advisors, raising USD 65 million in Series A to advance preclinical portfolio Indivior selected GABAB PAM drug candidate and started IND enabling studies for development in substance use disorders Addex selected independent GABAB PAM drug candidate for development in chronic cough Repositioned our phase 2 mGlu5 NAM asset, dipraglurant in brain injury recovery Regained rights to our phase 2 mGlu2 PAM asset, ADX71149 Ad Hoc Announcement Pursuant to Art. 53 LR Geneva, Switzerland, April 25, 2025 - Addex Therapeutics (SIX and Nasdaq: ADXN), a clinical-stage biopharmaceutical company focused on developing a portfolio of novel small molecule allosteric modulators for neurological disorders, today reported its full-year 2024 financial results for the period ended December 31, 2024 and provided a corporate update.

Ad Hoc Announcement Pursuant to Art. 53 LR Geneva, Switzerland, April 17, 2025 - Addex Therapeutics (SIX/NASDAQ: ADXN), a clinical-stage biopharmaceutical company focused on developing a portfolio of novel small molecule allosteric modulators for neurological disorders, announced today that following the previously announced termination of development of ADX71149 (JNJ-40411813) in epilepsy, its partner Janssen Pharmaceuticals, Inc. (now known as J&J Innovative Medicine) has return all development and commercialization rights to ADX71149 (JNJ-40411813) and the partnership between the two companies has been terminated.