Item 2(a)(2) assetNumber With respect to mortgage loans that are secured by multiple properties, the Asset Number has been changed from X.XX format in the initial Exhibit 102 that was filed to the X-XXX format. 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 BMO 2026-5C15 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)(7) Original Interest Rate Percentage The Original Interest Rate Percentage for the mortgage loan identified as Mountain Industrial Portfolio (Asset Number 4) has been truncated to eight decimal places due to EDGAR constraints. The value to full precision is 0.05096767533. Item 2(c)(8) Interest Rate Securitization Percentage The Interest Rate Securitization Percentage for the mortgage loan identified as Mountain Industrial Portfolio (Asset Number 4) has been truncated to eight decimal places due to EDGAR constraints. The value to full precision is 0.05096767533. Item 2(c)(15) Loan Structure Code For the mortgage loans identified as Cannon Industrial Portfolio (Asset Number 1), FreshDirect HQ (Asset Number 2), Shore Front Parkway Apartments (Asset Number 3), Mountain Industrial Portfolio (Asset Number 4), Deptford Mall (Asset Number 5), 1500 Post Oak Boulevard (Asset Number 6), Admiral's Cove (Asset Number 7), Prospect Place Apartments (Asset Number 8), Sunset View (Asset Number 10), Crossgates Mall (Asset Number 11), Northwoods Mall (Asset Number 12), Seneca One (Asset Number 13), The Towers at Cupertino City Center (Asset Number 16), The Landing (Asset Number 17), and The Rockwell (Asset Number 24), 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 Shore Front Parkway Apartments (Asset Number 3) the property address of the mortgaged property is 106-20 Shore Front Parkway, 107-10 Shore Front Parkway and 1 Beach 105th Street. For the mortgaged property identified as Prospect Place Apartments (Asset Number 8) the property address of the mortgaged property is 545 Prospect Place, 565 Prospect Place, 500 Saint Marks Avenue, 480 Saint Marks Avenue and 713 Classon Avenue. For the mortgaged property identified as Venice Park Apartments (Asset Number 9.01) the property address of the mortgaged property is 1922 Beach Avenue, 1926 North Arkansas Avenue and 1917 North Columbia Avenue. For the mortgaged property identified as Seneca One (Asset Number 13) the property address of the mortgaged property is 1 Seneca Street, 3 Seneca Street, 222 Main Street and 177 Washington Street. Item 2(d)(5) propertyZip For all properties with zip codes reflecting less than five digits, the missing digit is a leading zero. 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)(25)(i) Largest Tenant For the mortgage loan identified as 1500 Post Oak Boulevard (Asset Number 6), the Largest Tenant is Woodside Energy (Sub-leased (276,275 SF of 603,179 SF) / SEMPRA LNG, LLC (114,875 SF), Sumitomo Corporation of Americas (68,772 SF), Tricon Energy, Ltd. (23,390 SF), DRW Trading Texas LLC (23,390 SF), New Fortress Energy Inc. (22,924 SF) and Brenntag Latin America, Inc. (22,924 SF). Additionally, Sumitomo Corporation of Americas sub-subleases 12,209 SF of its space to DRW Trading Texas LLC. Item 2(d)(27)(iii) Lease Expiration Third Largest Tenant Date With respect to the asset identified as Deptford Mall (Asset Number 5), the Third Largest Tenant has a month-to-month lease. The Lease Expiration Third Largest Tenant Date is being presented as the last day of the month in which the cut-off date of the BMO 2026-5C15 transaction occurs. 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(e)(5) Report Period Interest Rate Percentage The Report Period Interest Rate Percentage for the mortgage loan identified as Mountain Industrial Portfolio (Asset Number 4) has been truncated to eight decimal places due to EDGAR constraints. The value to full precision is 0.05096767533. 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 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.