Announcement

Reminder: Single-Family MBS Disclosure Enhancement – Mission Index Version

September 23, 2024

As previously announced, Fannie Mae and Freddie Mac (the Enterprises) are enhancing the Single-Family mortgage-backed securities (MBS) disclosures to include the Single-Family Mission Index Version. This new attribute identifies the version of the Mission Index™ methodology used to calculate the Mission Criteria Share and the Mission Density Score. Effective today, this new attribute will be disclosed on the MBS Intraday Security Issuance File beginning with October 2024 issuances. The new pool-level attribute will also be provided for all outstanding MBS with the publication of the monthly MBS Security Factor File on October 4, 2024.

For questions, please contact the Fannie Mae Investor Help Line at 1-800-232-6643, Option 3 or by e-mail.