SEATTLE, Wash and VANCOUVER, British Columbia, June 3, 2021 — Achieve Life Sciences, Inc. (Nasdaq: ACHV), a clinical-stage pharmaceutical company committed to the global development and commercialization of cytisinicline for smoking cessation and nicotine addiction, today announced that the United States Patent and Trademark Office has allowed U.S. Patent Application No. 16/993,522 (the ‘522 Application) and U.S. Patent Application No. 17/101,686 (the ‘686 Application) covering the novel 3.0 mg three times daily (TID) cytisinicline dosing regimen.

The ’522 and ‘686 Applications include claims covering the expected 3.0 mg commercial dose of cytisinicline administered three times daily. The allowed claims cover this novel dosing regimen and administration method for the treatment of nicotine addiction and for promoting a reduction and/or cessation in smoking and vaping in treatment naïve and refractory patients who have failed previous smoking cessation treatments. Upon approval of cytisinicline by the U.S. Food and Drug Administration (FDA), the Company anticipates these patents would be included in the F