Achieve Life Sciences, Inc. (Achieve or the Company) (Nasdaq: ACHV), a late-stage specialty pharmaceutical company focused on the global development and commercialization of cytisinicline as a treatment for nicotine dependence, today announced the appointment of Benjamin Halladay, CPA, as Chief Financial Officer, effective October 5, 2026. He will be responsible for the Company’s financial strategy, accounting, investor relations, information technology, and other key administrative functions.