S&P Global Ratings' rankings on Greystone Servicing Corp. Inc. (Greystone) are STRONG as a commercial mortgage loan primary servicer. On Feb. 5, 2019, we affirmed the ranking (please see "Greystone Servicing Corp. Inc. STRONG Primary Servicer Ranking Affirmed; Outlook Stable," published Feb. 5, 2019). The outlook on the ranking is stable. Our ranking reflects Greystone's: Strong Fannie Mae, Freddie Mac, and Federal Housing Administration (FHA) origination platform, which fuels servicing volume; Effective asset management structure based on unique portfolio requirements; Controlled growth and successful track record in servicing agency lender clients and borrowers; Effective internal control environment; Experienced and tenured management team and staff; and Limited portfolio diversity in terms of property type (87% of unpaid principal balance (UPB) is