confidential







2018 Annual Statement of Servicer Compliance (Item
1123)











Pooling and
Servicing Agreement (the "Pooling and Servicing Agreement") dated as of June 1, 2015 by and among Deutsche Mortgage
& Asset Receiving Corporation as Depositor, Midland Loan Services, a Division of PNC Bank, National Association as Master
Servicer, Rialto Capital Advisors, LLC as Special Servicer, Wilmington Trust, National Association as Trustee, Deutsche Bank Trust
Company Americas as Certificate Administrator, Paying Agent and Custodian and Park Bridge Lender Services LLC, as Operating Advisor
relating to the COMM 2015-LC21 Mortgage Trust, Commercial Mortgage Pass-Through Certificates(COMM 2015-LC21)



The
undersigned, a duly authorized officer of Rialto Capital Advisors, LLC, as special servicer (the "Special Servicer")
herein certifies to the following:



|1. |  | All servicing activities and performance of such servicing
activities under the Pooling and Servicing Agreement are performed on behalf of the Special Servicer.
|-- |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------
|   |  |                                                                                                                                                                 

|2. |  | A review of the servicing activities and performance
by the Special Servicer for the period of July 5, 2018 to December 31, 2018 (the "Reporting Period") in accordance with
the Pooling and Servicing Agreement has been conducted under my supervision.
|-- |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|   |  |                                                                                                                                                                                                                                                          



|3. |  | To the best of my knowledge, based on such review, the
Special Servicer has fulfilled all of its obligations under the terms of the Pooling and Servicing Agreement, in all material
respects for the Reporting Period and if there has been a failure to fulfill any such obligations in any material respect, each
failure and the nature and status thereof has been specifically identified herein.
|-- |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------





|Certified by: | /s/ Adam Singer                |  | Date: March 1, 2019
|------------- | ------------------------------ |  | -------------------
|              | Adam Singer, Managing Director |  |                    









confidential