Attached files

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

  I, Helaine M. Kaplan, 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 the COMM 2012-CCRE4 Mortgage 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 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 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

  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: CoreLogic Commercial
  Real Estate Services, Inc. as Servicing Function Participant, Deutsche Bank
  Trust Company Americas, as Certificate Administrator for the Emerald Square
  Mall Mortgage Loan, Deutsche Bank Trust Company Americas, as Custodian for
  the Emerald Square Mall Mortgage Loan, Midland Loan Services, Inc., a
  Division of PNC Bank, National Association, as Special Servicer for the
  Emerald Square Mall Mortgage Loan, National Tax Search, LLC as Servicing
  Function Participant, Park Bridge Lender Services LLC as Operating Advisor,
  Situs Holdings, LLC as Operating Advisor for the Emerald Square Mall Mortgage
  Loan, Torchlight Loan Services, LLC as Special Servicer, Wells Fargo Bank,
  National Association as Master Servicer, Wells Fargo Bank, National
  Association as Certificate Administrator, Wells Fargo Bank, National
  Association as Custodian and Wells Fargo Bank, National Association as Master
  Servicer for the Emerald Square Mall Mortgage Loan.

Date:  January 24, 2014

/s/ Helaine M. Kaplan
Helaine M. Kaplan
President
(senior officer in charge of securitization of the depositor)