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-CCRE24  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 informationprovided to me by the following unaffiliated parties:Wells Fargo Bank, National Association, as Master Servicer, LNR Partners, LLC,as Special Servicer, Wilmington Trust, National Association, as Trustee, WellsFargo Bank, National Association, as Certificate Administrator, Wells FargoBank, National Association, as Custodian, Park Bridge Lender Services LLC, asOperating Advisor, CoreLogic Commercial Real Estate Services, Inc., asServicing Function Participant, National Tax Search, LLC, as Servicing FunctionParticipant, Berkeley Point Capital LLC, as Primary Servicer, Wells Fargo Bank,National Association, as Primary Servicer for the Lakewood Center MortgageLoan, Midland Loan Services, a Division of PNC Bank, National Association, asSpecial Servicer for the Lakewood Center Mortgage Loan, Wilmington Trust,National Association, as Trustee for the Lakewood Center Mortgage Loan,CoreLogic Commercial Real Estate Services, Inc., as Servicing FunctionParticipant for the Lakewood Center Mortgage Loan, National Tax Search, LLC, asServicing Function Participant for the Lakewood Center Mortgage Loan, WellsFargo Bank, National Association, as Primary Servicer for the Heartland IndustrialPortfolio Mortgage Loan, LNR Partners, LLC, as Special Servicer for theHeartland Industrial Portfolio Mortgage Loan, Wilmington Trust, NationalAssociation, as Trustee for the Heartland Industrial Portfolio Mortgage Loan,Pentalpha Surveillance LLC, as Operating Advisor for the Heartland IndustrialPortfolio Mortgage Loan, CoreLogic Commercial Real Estate Services, Inc., asServicing Function Participant for the Heartland Industrial Portfolio MortgageLoan, National Tax Search, LLC, as Servicing Function Participant for theHeartland Industrial Portfolio Mortgage Loan, Wells Fargo Bank, NationalAssociation, as Primary Servicer for the 40 Wall Street Mortgage Loan, RialtoCapital Advisors, LLC, as Special Servicer for the 40 Wall Street Mortgage Loan,Wilmington Trust, National Association, as Trustee for the 40 Wall StreetMortgage Loan, Wells Fargo Bank, National Association, as CertificateAdministrator for the 40 Wall Street Mortgage Loan, Wells Fargo Bank, NationalAssociation, as Custodian for the 40 Wall Street Mortgage Loan, Park BridgeLender Services LLC, as Trust Advisor for the 40 Wall Street Mortgage Loan,CoreLogic Commercial Real Estate Services, Inc., as Servicing FunctionParticipant for the 40 Wall Street Mortgage Loan, and National Tax Search, LLC,as Servicing Function Participant for the 40 Wall Street Mortgage Loan.

 

Dated: March 20, 2017

 

/s/Helaine M. Kaplan

President

(senior officer in charge ofsecuritization of the depositor)