Limited Signatory Power By this Limited Signatory Power, the undersigned authorizes and designates each of Suzanne A. Barr, Veronique K. Fine, and Wells M. Engledow, each with full power of subs tu on, to execute and file on behalf of the undersigned all Forms 3, 4 and 5 (including any exhibits, a achments and amendments thereto) that the undersigned may be required to file with the Securi es and Exchange Commission as a result of the undersigned's ownership of or transac ons in securi es of Fannie Mae. The undersigned further authorizes and designates each of Suzanne A. Barr, Veronique K. Fine, Wells M. Engledow, Sco Lesmes, and Charmaine Perdon to execute and file on behalf of the undersigned a Form ID, and any amendments thereto, to facilitate the foregoing. The authority of Suzanne A. Barr, Veronique K. Fine, and Wells M. Engledow under this Limited Signatory Power shall con nue un l the undersigned is no longer required to file Forms 3, 4 and 5 with regard to their ownership of or transac ons in securi es of Fannie Mae, unless earlier revoked in wri ng. The authority of Sco Lesmes and Charmaine Perdon under this Limited Signatory Power shall con nue un l six months a er the date below or, if earlier, the date the undersigned is no longer required to file Forms 3, 4 and 5 with regard to their ownership of or transac ons in securi es of Fannie Mae, unless earlier revoked in wri ng. The undersigned acknowledges that Suzanne A. Barr, Veronique K. Fine, Wells M. Engledow, Sco Lesmes, and Charmaine Perdon are not assuming, nor is Fannie Mae assuming, any of the undersigned's responsibili es to file Forms 3, 4 and 5 or otherwise comply with any related laws or regula ons. This Limited Signatory Power revokes any Signatory Power or Power of A orney the undersigned has previously signed with respect to Forms 3, 4 and 5, and Form IDs, that the undersigned may be required to file with the Securi es and Exchange Commission as a result of the undersigned's ownership of or transac ons in securi es of Fannie Mae. Date: December 12, 2023 Signed: /s/ Danielle M. McCoy Danielle M. McCoy