Table of Contents Exhibit 99.1 INVENTIVA S.A. A joint-stock company (société anonyme) with a share capital of 517,528.07 euros Registered office: 50, rue de Dijon, 21121 Daix, France Dijon Trade and Companies Register 537 530 255 INTERIM FINANCIAL REPORT FOR THE SIX MONTHS ENDED JUNE 30, 2023 Table of Contents Table of contents 1. Interim Financial Report 3 1.1. General overview of activities 3 1.2. Significant events in the first half of 2023 5 1.3. Recent events and prospects 6 1.4. Risk factors 8 1.5. Ea ...