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EX-31 Rule 13a-14(d)/15d-14(d) Certification

      I, Paul Vanderslice, certify that:

      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 UBS-Citigroup
            Commercial Mortgage Trust 2011-C1 (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 servicing
            agreements 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 primary servicer;
Rialto Capital Advisors, LLC, as special servicer; TriMont Real Estate
Advisors, Inc., as operating advisor; KeyBank National Association, as
primary servicer; CoreLogic Commercial Real Estate Services, Inc., as servicing
function participant; and National Tax Search, LLC, as servicing function
participant.

Date: March 30, 2017

	                   /s/ Paul Vanderslice
	                   Paul Vanderslice
	                   President, Citigroup Commercial
	                   Mortgage Securities Inc.
	                   (senior officer in charge of securitization of
	                   the depositor)