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

 

I,Helaine M. Kaplan, 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 COMM 2015-LC19 Mortgage  Trust (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 information providedto me by the following unaffiliated parties:Midland Loan Services, a Division of PNC Bank, National Association, as MasterServicer, Midland Loan Services, a Division of PNC Bank, National Association,as Special Servicer, Wells Fargo Bank, National Association, as Trustee andCertificate Administrator, Wells Fargo Bank, National Association, asCustodian, Park Bridge Lender Services LLC, as Operating Advisor, KeyBankNational Association, as Primary Servicer, Berkeley Point Capital LLC, as PrimaryServicer, Wells Fargo Bank, National Association, as Primary Servicer for theGateway Center Phase II Mortgage Loan, Torchlight Loan Services, LLC, asSpecial Servicer for the Gateway Center Phase II Mortgage Loan, WilmingtonTrust, National Association, as Trustee for the Gateway Center Phase IIMortgage Loan, Wells Fargo Bank, National Association, as CertificateAdministrator for the Gateway Center Phase II Mortgage Loan, Wells Fargo Bank,National Association, as Custodian for the Gateway Center Phase II MortgageLoan, Park Bridge Lender Services LLC, as Operating Advisor for the GatewayCenter Phase II Mortgage Loan, CoreLogic Commercial Real Estate Services, Inc.,as Servicing Function Participant for the Gateway Center Phase II MortgageLoan, National Tax Search, LLC, as Servicing Function Participant for theGateway Center Phase II Mortgage Loan, Midland Loan Services, a Division of PNCBank, National Association, as Primary Servicer for the One Memorial MortgageLoan, LNR Partners, LLC, as Special Servicer for the One Memorial MortgageLoan, Wells Fargo Bank, National Association, as Trustee and CertificateAdministrator for the One Memorial Mortgage Loan, Wells Fargo Bank, NationalAssociation, as Custodian for the One Memorial Mortgage Loan, Park BridgeLender Services LLC, as Operating Advisor for the One Memorial Mortgage Loan,Wells Fargo Bank, National Association, as Primary Servicer for the WalgreensPortfolio Mortgage Loan, Rialto Capital Advisors, LLC , as Special Servicer forthe Walgreens Portfolio Mortgage Loan, Wilmington Trust, National Association,as Trustee for the Walgreens Portfolio Mortgage Loan, Wells Fargo Bank,National Association, as Certificate Administrator for the Walgreens PortfolioMortgage Loan, Wells Fargo Bank, National Association, as Custodian for theWalgreens Portfolio Mortgage Loan, TriMont Real Estate Advisors, Inc., as TrustAdvisor for the Walgreens Portfolio Mortgage Loan, CoreLogic Commercial RealEstate Services, Inc., as Servicing Function Participant for the WalgreensPortfolio Mortgage Loan, and National Tax Search, LLC, as Servicing FunctionParticipant for the Walgreens Portfolio Mortgage Loan.

 

Dated: March 20, 2017

 

/s/Helaine M. Kaplan

President

(senior officer in charge of securitizationof the depositor)