Investor Presentaiton

" Seasoned biosecurity team effectively managing though U.S. HPAI outbreaks Highly pathogenic Avian Influenza (1) Caused by an "influenza type A virus", impacts chickens, turkeys, and other domesticated and wild birds HPAI has impacted commercial poultry and egg production in Europe, Asia, Africa, and North and South America. Wild waterfowl and other species shed the virus into the environment through their oral and nasal secretions and feces." - United States Geological Survey • · . . Managing through Avian Influenza Long-tenured and seasoned CALM operations team Adopted and enhanced procedures implemented through the 2014-15 outbreak Dec 2023, HPAI outbreaks recorded at CALM KS facilities impacting 3.3% of total flock. Production loss mitigations through flock rotations Upholding biosecurity focus Prohibit non-essential guests • Require vehicle sanitation before entry Enforce bio secure perimeters with required clothing, footwear and gear sanitation Sharpened control measures, prevent site-specific contact between flock and wild birds Serve customers during impacted egg market EM Cal-Maine Foods CAL-MAINE FOODS | INVESTOR PRESENTATION | JANUARY 2024 . • Continue to meet customer needs in any market conditions Ability to self-produce minimizes risk of transmission from outside egg purchases 21

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