Item 2(a)(2) Asset Number With respect to mortgage loans that are secured by multiple properties, the Asset Number has been changed from the X.XX format in the initial Exhibit 102 to the X-XXX format, for example 3.01 in the initial Exhibit 102 has been changed to 3-001. Item 2(c)(1) Originator Name For the mortgage loans identified as Park West Village (Asset Number 2) and Save Mart Portfolio (Asset Number 10), the originator name field has been truncated due to EDGAR constraints. The full name for Asset Number 2 is UBS AG, by and through its branch office at 1285 Avenue of the Americas, New York, New York; Athene Annuity and Life Company; Athene Annuity & Life Assurance Company. The full name for Asset Number 10 is UBS AG, by and through its branch office at 1285 Avenue of the Americas, New York, New York; Cantor Commercial Real Estate Lending, L.P.; Deutsche Bank AG, New York Branch. Finally, the full name for Societe Generale is Societe Generale, New York Branch. Item 2(c)(17) Periodic Principal and Interest Payment Securitization Amount With respect to each mortgage loan, the payment shown reflects the periodic principal and interest payment as of the Cut-off Date (or in case of any mortgage loan that has its first due date in August 2017, zero) Item 2(c)(18) Scheduled Principal Balance Securitization Amount With respect to each mortgage loan, the principal balance shown reflects the principal balance as of the Cut-off Date, assuming that any payment due on the Cut-off Date is made, and that no voluntary principal prepayments or casualty or condemnation proceeds are received. Item 2(c)(29)(i) Prepayment Lock-Out End Date With respect to each mortgage loan, the Prepayment Lock-Out End Date reflects the calendar day prior to the first payment date where yield maintenance or prepayment penalty is permitted. Item 2(d)(20) Physical Occupancy Securitization Percentage With respect to each mortgage loan, the occupancy percent shown is indicative of the physical occupancy information available as of securitization, however, may also include tenants that have signed leases, but are not yet in occupancy or may not be paying rent. Item 2(d)(28)(i) Financials Securitization Date For Asset Numbers 10, 11, 14, 15, 16, 25, 26, 32 the Date of Financials as of Securitization has been left blank as it was not available at the time of securitization. Item 2(d)(28)(xv) Debt Service Coverage Ratio Net Operating Income Securitization Percentage With respect to any mortgage loan that is part of a mortgage loan structure evidenced by multiple pari passu notes (including notes outside the trust), the value shown is inclusive of debt service related to the entirety of the mortgage loan structure (or, if the mortgage loan is part of the senior portion of a mortgage loan structure that also includes one or more subordinate companion loans, the entirety of the senior portion of such mortgage loan structure). Item 2(d)(28)(xvi) Most Recent Debt Service Coverage Ratio Net Operating Income Percentage With respect to any mortgage loan that is part of a mortgage loan structure evidenced by multiple pari passu notes (including notes outside the trust), the value shown is inclusive of debt service related to the entirety of the mortgage loan structure (or, if the mortgage loan is part of the senior portion of a mortgage loan structure that also includes one or more subordinate companion loans, the entirety of the senior portion of such mortgage loan structure). With respect to any loan that is currently requiring interest-only payments, the value shown is based on the interest-only payment due. Item 2(d)(28)(xvii) Debt Service Coverage Ratio Net Cash Flow Securitization Percentage With respect to any mortgage loan that is part of a mortgage loan structure evidenced by multiple pari passu notes (including notes outside the trust), the value shown is inclusive of debt service related to the entirety of the mortgage loan structure (or, if the mortgage loan is part of the senior portion of a mortgage loan structure that also includes one or more subordinate companion loans, the entirety of the senior portion of such mortgage loan structure). Item 2(d)(28)(xviii) Most Recent Debt Service Coverage Net Cash Flow Percentage With respect to any mortgage loan that is part of a mortgage loan structure evidenced by multiple pari passu notes (including notes outside the trust), the value shown is inclusive of debt service related to the entirety of the mortgage loan structure (or, if the mortgage loan is part of the senior portion of a mortgage loan structure that also includes one or more subordinate companion loans, the entirety of the senior portion of such mortgage loan structure). With respect to any loan that is currently requiring interest-only payments, the value shown is based on the interest-only payment due. Item 2(e)(6) Servicer and Trustee Fee Rate With respect to each mortgage loan, this percentage reflects the Trust Advisor Ongoing Fee Rate, the Certificate Administrator Fee Rate, the Servicing Fee Rate, the CREFC (c) IP Royalty License Fee Rate and the Asset Representations Reviewer Fee Rate. Item 2(f)(1) Primary Servicer Name The primary servicer names have been truncated due to EDGAR constraints. The full name for Midland Loan Services is Midland Loan Services, a Division of PNC Bank, National Association and the full name for Wells Fargo Bank, National is Wells Fargo Bank, National Association.