PRESS RELEASE

Inventiva Announces Trading Resumption of its Ordinary Shares on Euronext Paris

Daix (France), New York City (New York, United States), June 2, 2026 – Inventiva (Euronext Paris and NASDAQ: IVA) (“Inventiva” or the “Company”), a clinical-stage biopharmaceutical company focused on the development of oral therapies for the treatment of metabolic dysfunction-associated steatohepatitis (“MASH”), today announced the trading resumption of its ordinary shares on the regulated market of Euronext in Paris as from 3:30 p.m. CEST.

Trading of the ordinary shares of the Company was halted, at the Company’s request, on June 2, 2026 from 9:00 a.m. CEST, in the context of the previously announced Debt Financing Transaction and Offering of American Depositary Shares in the United States (each representing one new ordinary share of the Company with a nominal value of €0.01).

About Inventiva

Inventiva is a clinical-stage biopharmaceutical company focused on the research and development of an orally administered small molecule for the treatment of patients with MASH. The Company is currently evaluating lanifibranor, a novel pan-PPAR agonist, in the NATiV3 pivotal Phase 3 clinical trial for the treatment of adult patients with MASH, a common and progressive chronic liver disease.

Inventiva is a public company listed on compartment B of the regulated market of Euronext Paris (ticker: IVA, ISIN: FR0013233012) and on the Nasdaq Global Market in the United States (ticker: IVA).
https://www.inventivapharma.com

Contacts

Media Relations

Pascaline Clerc: media@inventivapharma.com
Mark Corbae: inventivapr@icrhealthcare.com

Investor Relations

David Nikodem: IR@inventivapharma.com
Patricia L. Bank: patti.bank@icrhealthcare.com

Important Notice

This press release contains certain forward-looking statements with respect to the proposed trading halt. Although the Company believes its expectations are based on reasonable assumptions, these forward-looking statements are subject to numerous risks and