Rule13a-14(d)/15d-14(d) Certifications.

 

I,Kunal K. Singh, certify that:

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| 1.     | I have reviewed this report on  Form 10-K and all reports on Form 10-D required to be filed in respect of the  period covered by this report on Form 10-K of the JPMBB Commercial Mortgage  Securities Trust 2014-C21 (the "Exchange Act periodic reports");                                                                                                                                                                                                                                                                                                          |
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| 2.     | Based on my knowledge, the  Exchange Act periodic reports, taken as a whole, do not contain any untrue  statement of a material fact or omit to state a material fact necessary to  make the statements made, in light of the circumstances under which such  statements were made, not misleading with respect to the period covered by  this report;                                                                                                                                                                                                                          |
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| 3.     | Based on my knowledge, all  of the distribution, servicing and other information required to be provided under  Form 10-D for the period covered by this report is included in the Exchange  Act periodic reports;                                                                                                                                                                                                                                                                                                                                                              |
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| 4.     | Based on my knowledge and  the servicer compliance statements required in this report under Item 1123 of  Regulation AB, and except as disclosed in the Exchange Act periodic reports,  the servicers have fulfilled their obligations under the servicing agreements  in all material respects; and                                                                                                                                                                                                                                                                            |
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| 5.     | All of the reports on assessment  of compliance with servicing criteria for asset-backed securities and their  related attestation reports on assessment of compliance with servicing  criteria for asset-backed securities required to be included in this report  in accordance with Item 1122 of Regulation AB and Exchange Act Rules 13a-18  and 15d-18 have been included as an exhibit to this report, except as  otherwise disclosed in this report. Any material instances of noncompliance  described in such reports have been disclosed in this report on Form 10-K. |
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Ingiving the certifications above, I have reasonably relied on informationprovided to me by the following unaffiliated parties:Wells Fargo Bank, National Association, as Master Servicer, Midland Loan Services,a Division of PNC Bank, National Association, as Special Servicer, WilmingtonTrust, National Association, as Trustee, Wells Fargo Bank, NationalAssociation, as Certificate Administrator, Wells Fargo Bank, NationalAssociation, as Custodian, Pentalpha Surveillance LLC, as Senior Trust 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 PrimaryServicer for the Miami International Mall Mortgage Loan, LNR Partners, LLC, asSpecial Servicer for the Miami International Mall Mortgage Loan, Wells FargoBank, National Association, as Trustee and Certificate Administrator for the MiamiInternational Mall Mortgage Loan, Wells Fargo Bank, National Association, asCustodian for the Miami International Mall Mortgage Loan, PentalphaSurveillance LLC, as Senior Trust Advisor for the Miami International MallMortgage Loan, Midland Loan Services, a Division of PNC Bank, NationalAssociation, as Primary Servicer for The Shops at Wiregrass Mortgage Loan, LNRPartners, LLC, as Special Servicer for The Shops at Wiregrass Mortgage Loan,Wells Fargo Bank, National Association, as Trustee and CertificateAdministrator for The Shops at Wiregrass Mortgage Loan, Wells Fargo Bank,National Association, as Custodian for The Shops at Wiregrass Mortgage Loan,Pentalpha Surveillance LLC, as Senior Trust Advisor for The Shops at WiregrassMortgage Loan, Wells Fargo Bank, National Association, as Primary Servicer forthe Technology Corners Building Six Mortgage Loan, Torchlight Loan Services,LLC, as Special Servicer for the Technology Corners Building Six Mortgage Loan,Deutsche Bank Trust Company Americas, as Trustee for the Technology CornersBuilding Six Mortgage Loan, Wells Fargo Bank, National Association, asCertificate Administrator for the Technology Corners Building Six MortgageLoan, Wells Fargo Bank, National Association, as Custodian for the TechnologyCorners Building Six Mortgage Loan, Pentalpha Surveillance LLC, as Senior TrustAdvisor for the Technology Corners Building Six Mortgage Loan, CoreLogicCommercial Real Estate Services, Inc., as Servicing Function Participant forthe Technology Corners Building Six Mortgage Loan, National Tax Search, LLC, asServicing Function Participant for the Technology Corners Building Six MortgageLoan, Wells Fargo Bank, National Association, as Primary Servicer for the 160Water Street Mortgage Loan, Torchlight Loan Services, LLC, as Special Servicerfor the 160 Water Street Mortgage Loan, Deutsche Bank Trust Company Americas,as Trustee for the 160 Water Street Mortgage Loan, Wells Fargo Bank, NationalAssociation, as Certificate Administrator for the 160 Water Street MortgageLoan, Wells Fargo Bank, National Association, as Custodian for the 160 WaterStreet Mortgage Loan, Pentalpha Surveillance LLC, as Senior Trust Advisor forthe 160 Water Street Mortgage Loan, CoreLogic Commercial Real Estate Services,Inc., as Servicing Function Participant for the 160 Water Street Mortgage Loan,National Tax Search, LLC, as Servicing Function Participant for the 160 WaterStreet Mortgage Loan, Wells Fargo Bank, National Association, as PrimaryServicer for the 200 West Monroe Mortgage Loan, Torchlight Loan Services, LLC,as Special Servicer for the 200 West Monroe Mortgage Loan, Deutsche Bank TrustCompany Americas, as Trustee for the 200 West Monroe Mortgage Loan, Wells FargoBank, National Association, as Certificate Administrator for the 200 WestMonroe Mortgage Loan, Wells Fargo Bank, National Association, as Custodian forthe 200 West Monroe Mortgage Loan, Pentalpha Surveillance LLC, as Senior TrustAdvisor for the 200 West Monroe Mortgage Loan, CoreLogic Commercial Real EstateServices, Inc., as Servicing Function Participant for the 200 West MonroeMortgage Loan, and National Tax Search, LLC, as Servicing Function Participantfor the 200 West Monroe Mortgage Loan.

 

Dated: March 21, 2017

 

/s/ Kunal K. SinghPresident and Chief Executive Officer

(senior officer in charge ofsecuritization of the depositor)