Material Event - Form 8-K

The One California Plaza Mortgage Loan, which constituted approximately 5.8% of the asset pool of the issuing entity as of its cut-off date, is an asset of the issuing entity and is part of a loan combination that is being serviced and administered under the trust and servicing agreement, dated as of November 6, 2017 relating to the CSMC Trust 2017-CALI filed as Exhibit 4.3 to the registrant's Current Report on Form 8-K filed on November 30, 2017 (the "CSMC 2017-CALI TSA"). Pursuant to Section 6.4(a) of the CSMC 2017-CALI TSA, Situs Holdings, LLC, a Delaware limited liability company, was removed as special servicer of the One California Plaza Mortgage Loan and Green Loan Services LLC ("Green Loan"), a Delaware limited liability company, was appointed as the successor special servicer of the One California Plaza Mortgage Loan under the CSMC 2017-CALI TSA.

In the interest of transaction management, this Current Report on Form 8-K is being filed to record that, effective as of February 20, 2024, the One California Plaza Mortgage Loan will be specially serviced, if necessary, pursuant to the CSMC 2017-CALI TSA, by Green Loan. Green Loan maintains its principal special servicing office at 1 Vanderbilt Avenue, New York, New York 10017 and its telephone number is (212) 594-2700.