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

 

I, Patrick A. Remmert Jr.,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 CSAIL 2015-C1  Commercial 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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In giving the certificationsabove, I have reasonably relied on information provided to me by the followingunaffiliated parties:KeyBank National Association, as Master Servicer, C-III Asset Management LLC,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, BerkadiaCommercial Mortgage LLC, as Primary Servicer, Midland Loan Services, a Divisionof PNC Bank, National Association, as Primary Servicer for the St. LouisPremium Outlets Mortgage Loan, Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer for the St. Louis Premium OutletsMortgage Loan, Wells Fargo Bank, National Association, as Trustee andCertificate Administrator for the St. Louis Premium Outlets Mortgage Loan,Wells Fargo Bank, National Association, as Custodian for the St. Louis PremiumOutlets Mortgage Loan, Pentalpha Surveillance LLC, as Senior Trust Advisor forthe St. Louis Premium Outlets Mortgage Loan, Midland Loan Services, a Divisionof PNC Bank, National Association, as Primary Servicer for the 500 Fifth AvenueMortgage Loan, Midland Loan Services, a Division of PNC Bank, NationalAssociation, as Special Servicer for the 500 Fifth Avenue Mortgage Loan, WellsFargo Bank, National Association, as Trustee and Certificate Administrator forthe 500 Fifth Avenue Mortgage Loan, Wells Fargo Bank, National Association, asCustodian for the 500 Fifth Avenue Mortgage Loan, Pentalpha Surveillance LLC,as Senior Trust Advisor for the 500 Fifth Avenue Mortgage Loan, Wells FargoBank, National Association, as Primary Servicer for the Westfield WheatonMortgage Loan, Rialto Capital Advisors, LLC, as Special Servicer for theWestfield Wheaton Mortgage Loan, Wilmington Trust, National Association, asTrustee for the Westfield Wheaton Mortgage Loan, Wells Fargo Bank, NationalAssociation, as Certificate Administrator for the Westfield Wheaton MortgageLoan, Wells Fargo Bank, National Association, as Custodian for the WestfieldWheaton Mortgage Loan, Park Bridge Lender Services LLC, as Operating Advisorfor the Westfield Wheaton Mortgage Loan, CoreLogic Commercial Real EstateServices, Inc., as Servicing Function Participant for the Westfield WheatonMortgage Loan, and National Tax Search, LLC, as Servicing Function Participantfor the Westfield Wheaton Mortgage Loan.

 

Dated: March 20, 2017

 

/s/Patrick A. Remmert Jr.

President

(senior officer in charge ofsecuritization of the depositor)