Item 2(c)(1) Originator Name Originator Name(s) for co-originated loans include only the originator(s) of the note(s) contributed to the BMARK 2026-V21 Mortgage Trust transaction. Item 2(c)(4) Original Loan Term Number For anticipated repayment date mortgage loans (if any): the original loan term number represents the term of the mortgage loan through the anticipated repayment date, rather than the actual Maturity Date. There are no anticipated repayment date mortgage loans included in the trust. Item 2(c)(15) Loan Structure Code For the mortgage loans identified as CityCenter (Aria & Vdara) (Asset Number 1), 400 Arcola Road (Asset Number 2), City Foundry STL (Asset Number 3), HKB Portfolio (Asset Number 5), Seneca One (Asset Number 7), Haven Leased Fee Portfolio (Asset Number 8), Crossroads I, II, & IV (Asset Number 13), Torrey Heights (Asset Number 15), 535 & 545 5th Avenue (Asset Number 16), Del Rey Campus (Asset Number 19), Marriott Monterey (Asset Number 20) and Project Broadview (Asset Number 22), each such mortgage loan is evidenced by one or more senior pari passu notes that are part of a whole loan that consists of the subject mortgage loan and one or more senior pari-passu notes and, if applicable, 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 whole loan, the related mortgaged property secures the entire whole loan, including one or more companion loans not included in the trust. Item 2(d)(2) Property Address For the mortgaged property identified as CityCenter (Aria & Vdara) (Asset Number 1) the property address of the mortgaged property are 3730 South Las Vegas Boulevard and 2600 West Harmon Avenue. For the mortgaged property identified as Seneca One (Asset Number 7) the property address of the mortgaged property are 1 Seneca Street, 3 Seneca Street, 222 Main Street and 177 Washington Street. For the mortgaged property identified as UL Solutions (Asset Number 22-03) the property address of the mortgaged property are 47173 Benicia Street, 47266 Benicia Street and 843 Auburn Court. For the mortgaged property identified as Paris Court (Asset Number 31-01) the property address of the mortgaged property are 10220 County Road 25A North, 11690 West US Highway 36 and 411 Washington Street. For the mortgaged property identified as Van Cortland Multifamily Portfolio (Asset Number 34) the property address of the mortgaged property are 2 Van Cortlandt Park Avenue, 107 Elm Street, 26-28 Chestnut Street, 36 Chestnut Street. Item 2(d)(5) Property Zip For the mortgaged property identified as Paris Court (Asset Number 31-01) the property zip code is 45356, 43072. 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 whole loan, net rentable square feet is presented for the entire mortgaged property that secures the whole loan, 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 whole loan, the net rentable square feet securitization number is presented for the entire mortgaged property that secures the whole loan, 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 whole loan, the units beds rooms number relates to the entire mortgaged property that secures the whole loan, 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 whole loan, the units beds rooms securitization number relates to the entire mortgaged property that secures the whole loan, 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 whole loan, the valuation securitization amount relates to the entire mortgaged property that secures the whole loan, including one or more companion loans not included in the trust. Item 2(d)(16) Valuation Securitization Date For the mortgaged property identified as Paris Court (Asset Number 31-01) the Valuation Securitization Date is 1/3/2026, 1/7/2026. Item 2(d)(20) Physical Occupancy Securitization Percentage The percentage of rentable space is determined based on the applicable unit of measurement provided in Item 2(d)(9) or Item 2(d)(11). Item 2(d)(28)(i) Financials Securitization Date For the assets identified as 400 Arcola Road (Asset Number 2), 9885 Innovation Campus (Asset Number 6), Haven Leased Fee Portfolio (Asset Number 8), Project Broadview (Asset Number 22) and New Castle Stainless (Asset Number 27), 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 whole loan, the revenue securitization amount is presented for the entire mortgaged property that secures the whole loan, 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 whole loan, the total underwritten operating expenses securitization amount are presented for the entire mortgaged property that secures the whole loan, 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 whole loan, the net operating income securitization amount is presented for the entire mortgaged property that secures the whole loan, 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 whole loan, the net cash flow securitization amount is presented for the entire mortgaged property that secures the whole loan, 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 whole loan, 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 whole loan, 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(d)(28)(xxi) Most Recent Annual Lease Rollover Review Date For the mortgaged property identified as Historic Row (800 F Street NW) (Asset Number 14) the Most Recent Annual Lease Rollover Review Date is 10/31/2025, 2/6/2026. Item 2(c)(7) Original Interest Rate Percentage For the mortgaged property identified as CityCenter (Aria & Vdara) (Asset Number 1) the interest rate percentage is 0.0607880916113333. For the mortgaged property identified as Torrey Heights (Asset Number 15) the interest rate percentage is 0.0496834477263158. Item 2(c)(8) Interest Rate Securitization Percentage For the mortgaged property identified as CityCenter (Aria & Vdara) (Asset Number 1) the interest rate percentage is 0.0607880916113333. For the mortgaged property identified as Torrey Heights (Asset Number 15) the interest rate percentage is 0.0496834477263158. Item 2(e)(5) Report Period Interest Rate Percentage For the mortgaged property identified as CityCenter (Aria & Vdara) (Asset Number 1) the interest rate percentage is 0.0607880916113333. For the mortgaged property identified as Torrey Heights (Asset Number 15) the interest rate percentage is 0.0496834477263158. 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 whole loan) 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 (R) intellectual property royalty license 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.