Power of Attorney for Trevor Leigh Williams

This filing contains a Power of Attorney granted by Trevor Leigh Williams, an officer of CF Industries Holdings, Inc., to Christopher D. Bohn, Michael P. McGrane, and Richard A. Hoker. The attorneys-in-fact are authorized to execute and file necessary SEC forms, including Forms 3, 4, and 5, related to the undersigned's reporting requirements under Section 16(a) of the Securities Exchange Act of 1934. This authorization includes actions necessary for generating access codes for electronic filings and making amendments to such forms. The Power of Attorney remains in effect until Mr. Williams is no longer required to file these forms or until it is revoked in writing. The document is dated March 24, 2026.