Exhibit 99.1 Inotiv Reports First Quarter Financial Results for Fiscal 2026 and Provides Business Update WEST LAFAYETTE, IN, February 9, 2026 – Inotiv, Inc. (Nasdaq: NOTV) (the "Company"), a leading contract research organization specializing in nonclinical and analytical drug discovery and development services and research models and related products and services, today announced financial results for the three months ("Q1 FY 2026") ended December 31, 2025. Revenue by Segment (in millions of USD) | | Three ...