Exhibit 99.1 Neogen Reports Fourth Quarter and Full Fiscal Year 2026 Financial Results Delivered Strong Core Growth in Q4 FY26 with Food Safety Core Growth Highest Since FY23 1 Non-GAAP financial measures; see explanations and reconciliations that follow LANSING, July 30, 2026 – Neogen ® Corporation (NASDAQ: NEOG), an innovative leader in food safety solutions, announced its financial results for the fiscal fourth quarter and full fiscal year 2026 and provided financial guidance for its fiscal year first qu ...