Item 2(c)(1) Originator Name Originator Name for co-originated loans was truncated to only include the originator contributing to the BBCMS 2023-C19 transaction to meet EDGAR constraints. Item 2(c)(4) Original Term Loan Number For anticipated repayment date mortgage loans: the original term loan number represents the term of the mortgage loan through the anticipated repayment date, rather than the actual Maturity Date. Item 2(c)(15) Loan Structure Code For the mortgage loan identified as Scottsdale Fashion Square (Asset Number 1), Pacific Design Center (Asset Number 2), Gloucester Premium Outlets (Asset Number 4), Rialto Industrial (Asset Number 5), Green Acres (Asset Number 6), South Lake at Dulles (Asset Number 7), Brandywine Strategic Office Porfolio (Asset Number 9), 100 Jefferson Road (Asset Number 10), Sentinel Square II (Asset Number 12), 575 Broadway (Asset Number 13), Latitude at South Portland (Asset Number 14), The Showboat Hotel (Asset Number 16), Oak Street NLP Fund Portfolio (Asset Number 18), Stoney Creek Hotel Portfolio (Asset Number 20) and Orizon Aerostructures (Asset Number 21), the mortgage loan is evidenced by a senior pari passu notes that is part of a loan combination that consists of senior pari-passu notes and one or more subordinate notes. The other senior pari-passu notes and the subordinate notes are not included in the trust. Item 2(d)(1) Property Name For mortgage loans that are part of a loan combination, the related mortgaged property secures the entire loan combination, including one or more companion loans not included in the trust. Item 2(d)(8) Net Rentable Square Feet Number For property types where the standard unit of measure is not square feet, this field is left blank. For mortgage loans that are part of a loan combination, net rentable square feet is presented for the entire mortgaged property that secures the whole loan combination, including one or more companion loans not included in the trust. Item 2(d)(9) Net Rentable Square Feet Securitization Number For property types where the standard unit of measure is not square feet, this field is left blank. For mortgage loans that are part of a loan combination, the net rentable square feet securitization number is presented for the entire mortgaged property that secures the whole loan combination, including one or more companion loans not included in the trust. Item 2(d)(10) Units Beds Rooms Number For mortgage loans that are part of a loan combination, the units beds rooms number relates to the entire mortgaged property that secures the whole loan combination, including one or more companion loans not included in the trust. Item 2(d)(11) Units Beds Rooms Securitization Number For mortgage loans that are part of a loan combination, the units beds rooms securitization number relates to the entire mortgaged property that secures the whole loan combination, including one or more companion loans not included in the trust. Item 2(d)(14) Valuation Securitization Amount For mortgage loans that are part of a loan combination, the valuation securitization amount relates to the entire mortgaged property that secures the whole loan combination, including one or more companion loans not included in the trust. Item 2(d)(20) Physical Occupancy Securitization Percentage The percentage of rentable space is determined based on the applicable unit of measurement provided in 2(d)(9) or 2(d)(11). Item 2(d)(28)(i) Financials Securitization Date For the mortgage loans identified as Rialto Industrial (Asset Number 5), South Lake at Dulles (Asset Number 7), Walgreens Distribution Center (Asset Number 11), Fibertown Data Center (Asset Number 15), Orizon Aerostructures (Asset Number 21), 1290 Fulton Street (Asset Number 30) and CVS Portfolio (Asset Number 35), the Financials Securitization Date has been left blank as it was not available at the time of securitization. Item 2(d)(28)(iv) Revenue Securitization Amount For mortgage loans that are part of a loan combination, the revenue securitization amount is presented for the entire mortgaged property that secures the whole loan combination, including one or more companion loans not included in the trust. Item 2(d)(28)(vi) Operating Expenses Securitization Amount For mortgage loans that are part of a loan combination, the total underwritten operating expenses securitization amount are presented for the entire mortgaged property that secures the whole loan combination, including one or more companion loans not included in the trust. Item 2(d)(28)(viii) Net Operating Income Securitization Amount For mortgage loans that are part of a loan combination, the net operating income securitization amount is presented for the entire mortgaged property that secures the whole loan combination, including one or more companion loans not included in the trust. Item 2(d)(28)(x) Net Cash Flow Securitization Amount For mortgage loans that are part of a loan combination, the net cash flow securitization amount is presented for the entire mortgaged property that secures the whole loan combination, including one or more companion loans not included in the trust. Item 2(d)(28)(xv) Debt Service Coverage Net Operating Income Securitization Percentage For mortgage loans that are part of a loan combination, the debt service coverage net operating income securitization percentage is calculated based on the subject mortgage loan and any related pari passu companion loans not included in the trust, but without regard to any subordinate companion loans. Item 2(d)(28)(xvii) Debt Service Coverage Net Cash Flow Securitization Percentage For mortgage loans that are part of a loan combination, the debt service coverage net cash flow securitization percentage is calculated based on the subject mortgage loan and any related pari passu companion loans not included in the trust, but without regard to any subordinate companion loans. Item 2(e)(6) Servicer Trustee Fee Rate Percentage It should be noted that the rate presented consists of (i) the master servicing fee rate, which includes any primary servicing fee rate payable to an outside servicer (for a loan combination) or other primary servicer, and any subservicing fee rate, (ii) the certificate administrator / trustee fee rate payable to the certificate administrator and the trustee, (iii) the operating advisor fee rate, (iv) the asset representations reviewer fee and (v) the CREFC? intellectual property royalty license fee rate.