Fannie Mae Publishes Spreadsheet of Legacy LIBOR-Indexed CUSIPs Transitioning to SOFR

May 8, 2023

Updated as of August 10, 2023

Today Fannie Mae published a downloadable spreadsheet listing the CUSIPs of Fannie Mae legacy LIBOR-indexed securities transitioning from LIBOR to replacement indices based on SOFR, specifically: Single-Family and Multifamily Adjustable-Rate Mortgages (ARMs), Collateralized Mortgage Obligations (CMOs), and Credit Risk Transfer (CRT) securities. The transition to these replacement indices will occur the day after June 30, 2023, the last date on which the Intercontinental Exchange, Inc. (ICE) Benchmark Administration Limited will publish a representative rate for all remaining tenors of USD LIBOR.

Additionally, the week of May 15, Fannie Mae will begin posting the aforementioned list of CUSIPs onto the Depository Trust & Clearing Corporation (DTCC) enhanced Legal Notice System (LENS), the DTCC’s LIBOR Replacement Index Communication Tool1. The data available through DTCC LENS is for informational purposes only. The spreadsheet linked above is the free and definitive source for the consolidated listing of impacted CUSIPs.

Note: On August 10, 2023, the downloadable spreadsheet was republished with correct 'New Index Descriptions' for approximately 33 Single-Family CMOs. For any questions, please contact us.

Note: On June 20, 2023, the downloadable spreadsheet was republished with updated Current Index Short Names for approximately 150 Single-Family CMOs. For any questions, please contact us.

1The Depository Trust and Clearing Corporation (the “DTCC”) has provided certain information (the “Information”) through its enhanced Legal Notice System process (DTCC’s LIBOR Replacement Index Communication Tool). Fannie Mae does not attest to the accuracy, completeness or utility of such Information. Fannie Mae considers the data provided on to be the definitive source for a complete listing of impacted CUSIPs and consequently encourages investors and other consumers of data to access such information directly from the Fannie Mae website.

Fannie Mae assumes no obligation to update or continue to submit the Information. The Information submitted is provided on an “as is” basis, with no warranties of any kind whatsoever, either express or implied, including, but not limited to, any warranties of title or accuracy or any implied warranties of merchantability or fitness for a particular purpose. Use of the information is at the user’s sole risk. In no event will Fannie Mae be liable for any damages whatsoever arising out of or related to any third-party website, any third-party services, including, but not limited direct, indirect, incidental, special, consequential or punitive damages, where under a contract, tort or any other theory of liability, even if Fannie Mae is aware of the possibility of such damages.

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This announcement does not constitute an offer to sell or the solicitation of an offer to buy securities of Fannie Mae. Nothing in this announcement constitutes advice on the merits of buying or selling a particular investment. Any investment decision as to any purchase of securities referred to herein must be made solely on the basis of information contained in Fannie Mae's applicable Prospectus and the Prospectus Supplement and the related legal documentation, and no reliance may be placed on the completeness or accuracy of the information contained in this announcement.

You should not deal in securities unless you understand their nature and the extent of your exposure to risk. You should be satisfied that they are suitable for you in light of your circumstances and financial position. If you are in any doubt you should consult an appropriately qualified financial advisor.