Power of Attorney for Christopher J. Policinski

This filing documents a Power of Attorney granted by Christopher J. Policinski, a director at Corteva, Inc., to Abigail Jarrell and Dana Eddis. The attorneys-in-fact are authorized to execute and file all necessary Forms 3, 4, and 5 with the SEC and other relevant authorities on behalf of Mr. Policinski, in accordance with Section 16(a) of the Securities Exchange Act of 1934. This authorization includes obtaining necessary codes and passwords for electronic filing and taking any other actions deemed beneficial or legally required. The Power of Attorney remains effective until Mr. Policinski is no longer required to file these forms, or until revoked in writing. The filing is dated April 8, 2026.