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 on Form 10-Drequired to be filed in respect of the period covered by this report on Form 10-K of the COMM 2015-LC21 Mortgage Trust (the "ExchangeAct periodic reports");

 

2. Based on my knowledge, the Exchange Act periodic reports, taken as awhole, do not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statementsmade, in light of the circumstances under which such statements were made, not misleading with respect to the period covered bythis 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 report is included in the Exchange Act periodic reports;

 

4. Based on my knowledge and the servicer compliance statements requiredin this report under Item 1123 of Regulation AB, and except as disclosed in the Exchange Act periodic reports, the servicers havefulfilled their obligations under the servicing agreements in all material respects; and

 

5. All of the reports on assessment of compliance with servicing criteriafor asset-backed securities and their related attestation reports on assessment of compliance with servicing criteria for asset-backedsecurities required to be included in this report in accordance with Item 1122 of Regulation AB and Exchange Act Rules 13a-18 and15d-18 have been included as an exhibit to this report, except as otherwise disclosed in this report. Any material instances ofnoncompliance described in such reports have been disclosed in this report on Form 10-K.

 

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

 

Midland Loan Services, a Division of PNC Bank, National Association, asMaster Servicer, Midland Loan Services, a Division of PNC Bank, National Association, as Special Servicer, Wilmington Trust, NationalAssociation, as Trustee, Park Bridge Lender Services LLC, as Operating Advisor, KeyBank National Association, as Primary Servicer,Berkeley Point Capital LLC, as Primary Servicer, Wells Fargo Bank, National Association, as Primary Servicer for the RenaissanceNew Orleans Portfolio Mortgage Loan, Wells Fargo Bank, National Association, as Primary Servicer for the Renaissance New OrleansPortfolio Mortgage Loan, KeyBank National Association, as Primary Servicer for the Renaissance New Orleans Portfolio Mortgage Loan,Torchlight Loan Services, LLC, as Special Servicer for the Renaissance New Orleans Portfolio Mortgage Loan, Wilmington Trust, NationalAssociation, as Trustee for the Renaissance New Orleans Portfolio Mortgage Loan, Wells Fargo Bank, National Association, as CertificateAdministrator for the Renaissance New Orleans Portfolio Mortgage Loan, Wells Fargo Bank, National Association, as Custodian forthe Renaissance New Orleans Portfolio Mortgage Loan, Pentalpha Surveillance LLC, as Senior Trust Advisor for the Renaissance NewOrleans Portfolio Mortgage Loan, CoreLogic Commercial Real Estate Services, Inc., as Servicing Function Participant for the RenaissanceNew Orleans Portfolio Mortgage Loan, National Tax Search, LLC, as Servicing Function Participant for the Renaissance New OrleansPortfolio Mortgage Loan, Midland Loan Services, a Division of PNC Bank, National Association, as Primary Servicer for the Courtyardby Marriott Portfolio Mortgage Loan, CWCapital Asset Management LLC, as Special Servicer for the Courtyard by Marriott PortfolioMortgage Loan, Wilmington Trust, National Association, as Trustee for the Courtyard by Marriott Portfolio Mortgage Loan, WellsFargo Bank, National Association, as Certificate Administrator for the Courtyard by Marriott Portfolio Mortgage Loan, Wells FargoBank, National Association, as Custodian for the Courtyard by Marriott Portfolio Mortgage Loan, Pentalpha Surveillance LLC, asOperating Advisor for the Courtyard by Marriott Portfolio Mortgage Loan, Wells Fargo Bank, National Association, as Primary Servicerfor the La Gran Plaza Mortgage Loan, LNR Partners, LLC, as Special Servicer for the La Gran Plaza Mortgage Loan, Wilmington Trust,National Association, as Trustee for the La Gran Plaza Mortgage Loan, Wells Fargo Bank, National Association, as Certificate Administratorfor the La Gran Plaza Mortgage Loan, Wells Fargo Bank, National Association, as Custodian for the La Gran Plaza Mortgage Loan,Park Bridge Lender Services LLC, as Operating Advisor for the La Gran Plaza Mortgage Loan, CoreLogic Commercial Real Estate Services,Inc., as Servicing Function Participant for the La Gran Plaza Mortgage Loan, and National Tax Search, LLC, as Servicing FunctionParticipant for the La Gran Plaza Mortgage Loan.

 

 

 

Dated: June 22, 2018

 

 

/s/ Helaine M. Kaplan

 

 

President

(senior officer in charge of securitization ofthe depositor)