Item Number Column/Field Name Notes Item 2(a)(2) Asset Number With respect to each property the Asset Number has been updated from decimal to CREFC standard, for example 1.01 and 1.02 on original file has been updated to 1-001 and 1-002 respectively. Item 2(a)(2) Asset Number With respect to Asset Number 10, original file reflected one loan with Original Loan Amount of 30000000 however this is now split into Asset Number 10, 10A, and 10B reflecting Pari Passu notes with Original Loan Amounts of 15000000, 10000000, and 5000000 respectively. Appraisal, financial, and property level information will only be reflected on Asset Number 1. Similar splits are reported for assets 19 (adding loan 19A) each are a pari passu loan structure. Item 2(c)(1) Originator For Asset Number 3, the mortgage loan was originated by Deutsche Bank AG, New York Branch and subsequently acquired by UBS AG. Item 2(c)(17) Periodic Principal and Interest Payment at Securitization 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 July 2017, zero) Item 2(c)(18) Scheduled Principal Balance at Securitization 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)(14) Valuation Amount at Securitization For Asset Number 3, all LTV calculations are based on the "As Stabilized" appraised values. Item 2(d)(15) Valuation Source at Securitization For Asset Number 3, all LTV calculations are based on the "As Stabilized" appraised values. Item 2(d)(20) Physical Occupancy at Securitization 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) Date of Financials as of Securitization For Asset Numbers 1, 2, 3, 4, 11, and 57 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) at Securitization 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) 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) at Securitization 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 Ratio (Net Cash Flow) 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 IP Royalty License Fee Rate and the Asset Representations Reviewer Fee Rate. Item 2(e)(12) Reporting Period Ending Actual Balance 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(e)(13) Reporting Period Ending Scheduled Balance 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(f)(1) Primary Servicer Name The primary servicer names have been truncated due to EDGAR constraints. The full name for Wells Fargo Bank, NA is Wells Fargo Bank, National Association. The full name of Midland Loan Services is Midland Loan Services, a Division of PNC Bank, National Association.