Attached files

   CERTIFICATION

   Citigroup commercial Mortgage Securities Inc.,

   UBS-Citigroup Commercial Mortgage Trust 2011-C1 (the "Trust"),
   Commercial Mortgage Pass-Through Certificates, Series 2011-C1,
   issued pursuant to the Pooling and Servicing Agreement, dated as
   of December 1, 2011 (the "Pooling and Servicing Agreement"),
   entered into by Citigroup Commercial Mortgage Securities Inc., as
   depositor (the "Depositor"), Wells Fargo Bank, National Association,
   as master servicer, Midland Loan Services, a Division of PNC Bank,
   National Association, as special servicer, TriMont Real Estate
   Advisors, Inc., as operating advisor, and Deutsche Bank Trust Company
   Americas, as trustee, certificate administrator, paying agent and custodian

      I, Paul Vanderslice, a Vice President of Citigroup Commercial Mortgage
   Securities Inc., the depositor into the above-referenced Trust, certify that:

      1.   I have reviewed this annual report on Form 10-K, and all reports on
   Form 10-D required to be filed in respect of the period covered by this
   annual report on Form 10-K, of the Trust (the "Exchange Act Periodic
   Reports");

      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 annual report;

      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;

      4.   Based on my knowledge and the servicer compliance statement(s)
   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 Pooling and Servicing Agreement or
   the applicable sub-servicing agreement or primary servicing agreement in
   all material respects; and

      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.

   In giving the certifications above, I have reasonably relied on information
   provided to me by the following unaffiliated parties: Wells Fargo Bank,
   National Association, as master servicer;  Deutsche Bank Trust Company
   Americas, as trustee, custodian and certificate administrator; Midland Loan
   Services, a Division of PNC Bank, National Association, as special servicer
   and sub-servicer; TriMont Real Estate Advisors, Inc., as operating advisor;
   KeyCorp Real Estate Capital Markets, Inc., as sub-servicer; CoreLogic
   Commercial Real Estate Services, Inc., as servicing function participant;
   and National Tax Search, LLC, as servicing function participant.

Date: March 29, 2013

CITIGROUP COMMERCIAL MORTGAGE SECURITIES INC.

By: /s/ Paul Vanderslice
   ___________________________
   Name: Paul Vanderslice
   Title: Vice President
   (Senior Officer in Charge of
   Securitization of the Depositor