Exhibit 99.1 Nuvve Provides Fourth Quarter and Full Year 2025 Financial Update Investor Conference Call to be Held Today at 5:00 PM Eastern Time (2:00 PM PT) SAN DIEGO, CA - March 31, 2026 — Nuvve Holding Corp. (Nuvve) (Nasdaq: NVVE), a global leader in advanced energy storage, grid modernization solutions and vehicle-to-grid (V2G) technology, today provided a fourth quarter and full-year 2025 financial update. Fourth Quarter Highlights and Recent Developments Management Discussion Gregory Poilasne, Chief E ...