Exhibit 99.1 For Immediate Release Phibro Animal Health Corporation Reports First Quarter Results, Maintains Financial Guidance TEANECK, N.J., November 4, 2026 (Business Wire) – Phibro Animal Health Corporation (Nasdaq: PAHC) ("Phibro" or the "Company") today announced financial results for its first quarter ended September 30, 2026 and maintained its financial guidance for the year ending June 30, 2027. Highlights for the three months ended September 30, 2026 (compared to the three months ended September 3 ...