410 N. Michigan Ave. Chicago, Illinois 60611, U.S.A News Announcement For Immediate Release Exhibit 99.1 Oil-Dri Announces Second Highest Quarterly Earnings in History CHICAGO-(December 8, 2025) - Oil-Dri Corporation of America (NYSE: ODC), producer and marketer of sorbent mineral products, today announced results for its first quarter of fiscal year 2026. | (in thousands, except per share amounts) | | | First Quarter Ended October 31, | | | --- | --- | --- | --- | --- | | | | 2025 | 2024 | Change | | Conso ...