S&P Global Ratings assigned its 'AA+(sf)' rating to Freddie Mac's roughly $224.19 million series 2024-ML21 class A-US sustainability bonds multifamily ML structured pass-through certificates (SPCs). The outlook is stable. The series ML21 SPCs have a credit enhancement in the form of a Freddie Mac guarantee. The certificates represent ownership of 14 underlying tax-exempt loans (TELs), the proceeds of which financed 14 multifamily affordable-housing properties, coupled with the benefits of a Freddie Mac guarantee. The Freddie Mac guarantee provides that if there are insufficient funds to make principal or interest payments on the class A-US SPCs, Freddie Mac will make any principal-and-interest payments due on the SPCs on each distribution date. Freddie Mac will issue the class A-US SPCs at a