EX-31 Rule 13a-14(d)/15d-14(d) Certifications.

 

 

I, Helaine M. Kaplan, certify that:

 

1. I have reviewed this report on Form 10-K and all reports onForm 10-D required to be filed in respect of the period covered by this report onForm 10-K of the CD 2017-CD4 Mortgage Trust (the "Exchange Act periodicreports");

 

2. Based on my knowledge, the Exchange Act periodic reports, takenas a whole, do not contain any untrue statement of a material fact or omit tostate a material fact necessary to make the statements made, in light of thecircumstances under which such statements were made, not misleading withrespect to the period covered by this report;

 

3. Based on my knowledge, all of the distribution, servicing andother information required to be provided under Form 10-D for the periodcovered by this report is included in the Exchange Act periodic reports;

 

4. Based on my knowledge and the servicer compliance statementsrequired in this report under Item 1123 of Regulation AB, and except asdisclosed in the Exchange Act periodic reports, the servicers have fulfilledtheir obligations under the servicing agreements in all material respects; and

 

5. All of the reports on assessment of compliance with servicingcriteria for asset-backed securities and their related attestation reports onassessment of compliance with servicing criteria for asset-backed securitiesrequired to be included in this report in accordance with Item 1122 ofRegulation AB and Exchange Act Rules 13a-18 and 15d-18 have been included as anexhibit to this report, except as otherwise disclosed in this report. Anymaterial instances of noncompliance described in such reports have beendisclosed in this report on Form 10-K.

 

In giving the certifications above, I have reasonably relied oninformation provided to me by the following unaffiliated parties:

 

Midland Loan Services, a Division of PNC Bank, NationalAssociation, as Master Servicer, Rialto Capital Advisors, LLC, as SpecialServicer, Wells Fargo Bank, National Association, as Trustee and CertificateAdministrator, Wells Fargo Bank, National Association, as Custodian, ParkBridge Lender Services LLC, as Operating Advisor, Computershare Trust Company,National Association, as Servicing Function Participant for the CertificateAdministrator on and after November 1, 2021, Computershare Trust Company,National Association, as Servicing Function Participant for the Custodian onand after November 1, 2021, Wells Fargo Bank, National Association, as PrimaryServicer for the Hilton Hawaiian Village Mortgage Loan, CWCapital AssetManagement LLC, as Special Servicer for the Hilton Hawaiian Village MortgageLoan, Wilmington Trust, National Association, as Trustee for the HiltonHawaiian Village Mortgage Loan, Wells Fargo Bank, National Association, asCustodian for the Hilton Hawaiian Village Mortgage Loan, CoreLogicSolutions, LLC, as Servicing Function Participant forthe Hilton Hawaiian Village Mortgage Loan, Computershare Trust Company,National Association, as Servicing Function Participant for the Custodian forthe Hilton Hawaiian Village Mortgage Loan on and after November 1, 2021,Midland Loan Services, a Division of PNC Bank, National Association, as PrimaryServicer for the 111 Livingston Street Mortgage Loan, Midland Loan Services, aDivision of PNC Bank, National Association, as Special Servicer for the 111Livingston Street Mortgage Loan, Wells Fargo Bank, National Association, asTrustee for the 111 Livingston Street Mortgage Loan, Wells Fargo Bank, NationalAssociation, as Custodian for the 111 Livingston Street Mortgage Loan, ParkBridge Lender Services LLC, as Operating Advisor for the 111 Livingston StreetMortgage Loan, Computershare Trust Company, National Association, as ServicingFunction Participant for the Custodian for the 111 Livingston Street MortgageLoan on and after November 1, 2021, Midland Loan Services, a Division of PNCBank, National Association, as Primary Servicer for the Moffett Place GoogleMortgage Loan, Midland Loan Services, a Division of PNC Bank, NationalAssociation, as Special Servicer for the Moffett Place Google Mortgage Loan,Wells Fargo Bank, National Association, as Trustee for the Moffett Place GoogleMortgage Loan, Wells Fargo Bank, National Association, as Custodian for the MoffettPlace Google Mortgage Loan, Park Bridge Lender Services LLC, as OperatingAdvisor for the Moffett Place Google Mortgage Loan, Computershare TrustCompany, National Association, as Servicing Function Participant for theCustodian for the Moffett Place Google Mortgage Loan on and after November 1,2021, Wells Fargo Bank, National Association, as Primary Servicer for theHamilton Crossing Mortgage Loan, Rialto Capital Advisors, LLC, as SpecialServicer for the Hamilton Crossing Mortgage Loan, Park Bridge Lender ServicesLLC, as Operating Advisor for the Hamilton Crossing Mortgage Loan, CoreLogicSolutions, LLC, as Servicing Function Participant forthe Hamilton Crossing Mortgage Loan, Wells Fargo Bank, National Association, asPrimary Servicer for the Key Center Cleveland Mortgage Loan, Rialto CapitalAdvisors, LLC, as Special Servicer for the Key Center Cleveland Mortgage Loan,Park Bridge Lender Services LLC, as Operating Advisor for the Key CenterCleveland Mortgage Loan, and CoreLogic Solutions, LLC, as Servicing FunctionParticipant for the Key Center Cleveland Mortgage Loan.

 

 

 

Dated:March16, 2022

 

 

/s/ Helaine M. Kaplan

Helaine M. Kaplan

President

(seniorofficer in charge of securitization of the depositor)