X0609 4 2026-10-15 0 0000074046 Oil-Dri Corp of America ODC 0001907830 Lamson Christopher B false 410 N. MICHIGAN AVENUE SUITE 400 CHICAGO IL 60611-4213 0 1 0 0 Group Vice President 0 Common Stock 2026-10-15 4 S 0 7000 80.27 D 4453 I Family Trust The reporting person executed a trade order through a broker-dealer resulting in multiple transactions at a range of prices from $79.85 to $80.65. The price reported above reflects the weighted average sale price rounded to the nearest cent. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. /s/ Anthony W. Parker by Power of Attorney 2026-10-16