Exhibit 99.1 Hain Celestial Reports Fiscal Fourth Quarter and Fiscal Year 2025 Financial Results HOBOKEN, N.J., September 15, 2025 — The Hain Celestial Group, Inc. (Nasdaq: HAIN), a leading global health and wellness company whose purpose is to inspire healthier living through better-for-you brands, today reported financial results for its fiscal fourth quarter and fiscal year ended June 30, 2025. "We are taking decisive action to optimize cash, deleverage our balance sheet, stabilize sales, and improve pro ...