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

 

 

I,Anthony Sfarra, certify that:

 

1.I have reviewed this report on Form 10-K and all reports on Form 10-D requiredto be filed in respect of the period covered by this report on Form 10-K of theBANK 2017-BNK4 (the "Exchange Act periodic reports");

 

2.Based on my knowledge, the Exchange Act periodic reports, taken as a whole, donot contain any untrue statement of a material fact or omit to state a materialfact necessary to make the statements made, in light of the circumstances underwhich such statements were made, not misleading with respect to the periodcovered by this report;

 

3.Based on my knowledge, all of the distribution, servicing and other informationrequired to be provided under Form 10-D for the period covered by this reportis included in the Exchange Act periodic reports;

 

4.Based on my knowledge and the servicer compliance statements required in thisreport under Item 1123 of Regulation AB, and except as disclosed in the ExchangeAct periodic reports, the servicers have fulfilled their obligations under theservicing agreements in all material respects; and

 

5.All of the reports on assessment of compliance with servicing criteria forasset-backed securities and their related attestation reports on assessment ofcompliance with servicing criteria for asset-backed securities required to beincluded in this report in accordance with Item 1122 of Regulation AB andExchange Act Rules 13a-18 and 15d-18 have been included as an exhibit to thisreport, except as otherwise disclosed in this report. Any material instances ofnoncompliance described in such reports have been disclosed in this report onForm 10-K.

 

Ingiving the certifications above, I have reasonably relied on informationprovided to me by the following unaffiliated parties:

 

RialtoCapital Advisors, LLC, as Special Servicer, Wilmington Trust, NationalAssociation, as Trustee, Pentalpha Surveillance LLC, as Operating Advisor,CoreLogic Commercial Real Estate Services, Inc., as Servicing FunctionParticipant, National Tax Search, LLC, as Servicing Function Participant,Midland Loan Services, a Division of PNC Bank, National Association, as SpecialServicer for The Summit Birmingham Mortgage Loan, Wilmington Trust, NationalAssociation, as Trustee for The Summit Birmingham Mortgage Loan, Park BridgeLender Services LLC, as Operating Advisor for The Summit Birmingham MortgageLoan, CoreLogic Commercial Real Estate Services, Inc., as Servicing FunctionParticipant for The Summit Birmingham Mortgage Loan, National Tax Search, LLC,as Servicing Function Participant for The Summit Birmingham Mortgage Loan,Midland Loan Services, a Division of PNC Bank, National Association, as SpecialServicer for the JW Marriott Desert Springs Mortgage Loan, Wilmington Trust,National Association, as Trustee for the JW Marriott Desert Springs MortgageLoan, Park Bridge Lender Services LLC, as Operating Advisor for the JW MarriottDesert Springs Mortgage Loan, CoreLogic Commercial Real Estate Services, Inc.,as Servicing Function Participant for the JW Marriott Desert Springs MortgageLoan, National Tax Search, LLC, as Servicing Function Participant for the JWMarriott Desert Springs Mortgage Loan, Rialto Capital Advisors, LLC, as SpecialServicer for the Merrill Lynch Drive Mortgage Loan, Wilmington Trust, NationalAssociation, as Trustee for the Merrill Lynch Drive Mortgage Loan, Park BridgeLender Services LLC, as Operating Advisor for the Merrill Lynch Drive MortgageLoan, CoreLogic Commercial Real Estate Services, Inc., as Servicing FunctionParticipant for the Merrill Lynch Drive Mortgage Loan, National Tax Search,LLC, as Servicing Function Participant for the Merrill Lynch Drive MortgageLoan, C-III Asset Management LLC, as Special Servicer for The DavenportMortgage Loan, Wilmington Trust, National Association, as Trustee for TheDavenport Mortgage Loan, Trimont Real Estate Advisors, LLC, as OperatingAdvisor for The Davenport Mortgage Loan, CoreLogic Commercial Real EstateServices, Inc., as Servicing Function Participant for The Davenport MortgageLoan, National Tax Search, LLC, as Servicing Function Participant for TheDavenport Mortgage Loan, Rialto Capital Advisors, LLC, as Special Servicer forthe Key Center Cleveland Mortgage Loan, Deutsche Bank Trust Company Americas,as Trustee for the Key Center Cleveland Mortgage Loan, Citibank, N.A., asCertificate Administrator for the Key Center Cleveland Mortgage Loan, DeutscheBank Trust Company Americas, as Custodian for the Key Center Cleveland MortgageLoan, Park Bridge Lender Services LLC, as Operating Advisor for the Key CenterCleveland Mortgage Loan, CoreLogic Commercial Real Estate Services, Inc., asServicing Function Participant for the Key Center Cleveland Mortgage Loan,National Tax Search, LLC, as Servicing Function Participant for the Key CenterCleveland Mortgage Loan, Midland Loan Services, a Division of PNC Bank,National Association, as Primary Servicer for the Pentagon Center MortgageLoan, Midland Loan Services, a Division of PNC Bank, National Association, asSpecial Servicer for the Pentagon Center Mortgage Loan, and PentalphaSurveillance LLC, as Operating Advisor for the Pentagon Center Mortgage Loan.

 

 

 

Dated:November 5, 2019

 

 

/s/Anthony Sfarra

 

 

President

(senior officer in charge of securitization of the depositor)