<?xml version="1.0" encoding="utf-8"?>
<comments>
	<commentData>
		<itemNumber>Item 2(a)(2)</itemNumber>
		<fieldName>assetNumber</fieldName>
		<comment>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.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(c)(1)</itemNumber>
		<fieldName>  Originator Name</fieldName>
		<comment>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.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(c)(4)</itemNumber>
		<fieldName>  Original Loan Term Number</fieldName>
		<comment>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.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(c)(7)</itemNumber>
		<fieldName>  Original Interest Rate Percentage</fieldName>
		<comment>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.  </comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(c)(8)</itemNumber>
		<fieldName>  Interest Rate Securitization Percentage</fieldName>
		<comment>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.  </comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(c)(15)</itemNumber>
		<fieldName>Loan Structure Code</fieldName>
		<comment>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.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(1)</itemNumber>
		<fieldName>    Property Name</fieldName>
		<comment>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.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(1)</itemNumber>
		<fieldName>propertyName</fieldName>
		<comment>Asset Number 1-006s property name, which was originally reflected as 3200 South Kilbourn Avenue, is reporting as Cannon Industrial Portfolio in accordance with the Mortgage on file with the Master Servicer.  Asset Number 4-001s property name, which was originally reflected as 3150 Highway 42, is reporting as Mountain Industrial Portfolio in accordance with the Mortgage on file with the Master Servicer.  Asset Number 9-001s property name, which was originally reflected as Venice Park Apartments, is reporting as South Jersey Portfolio in accordance with the Mortgage on file with the Master Servicer.  Asset Number 9-002s property name, which was originally reflected as Hamilton Venice Apartments, is reporting as Hamilton Venice Apartments Property in accordance with the Mortgage on file with the Master Servicer.  Asset Number 9-003s property name, which was originally reflected as Venice Park Condominiums, is reporting as Venice Park Condominiums Property in accordance with the Mortgage on file with the Master Servicer.  Asset Number 14s property name, which was originally reflected as 118 Northeast 39th Street, is reporting as 118 NE 39th Street in accordance with the Mortgage on file with the Master Servicer.  Asset Number 15-001s property name, which was originally reflected as 4501 East Massachusetts Avenue, is reporting as FreshEdge Industrial Portfolio in accordance with the Mortgage on file with the Master Servicer.  Asset Number 18s property name, which was originally reflected as 1584 Fulton Street, is reporting as 1584 Fulton in accordance with the Mortgage on file with the Master Servicer.  Asset Number 20s property name, which was originally reflected as Wilshire Medical Arts Building, is reporting as 6221 Wilshire Boulevard in accordance with the Mortgage on file with the Master Servicer.  Asset Number 21s property name, which was originally reflected as 5555 Rockwell Road, is reporting as 5555 Rockwell Road Industrial in accordance with the Mortgage on file with the Master Servicer.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(2)</itemNumber>
		<fieldName>    Property Address</fieldName>
		<comment>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.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(2)</itemNumber>
		<fieldName>propertyAddress</fieldName>
		<comment>Asset Number 1-003's property address, which was originally reflected as 401 Elm Street, is reporting as 401 East Elm Street in accordance with the Mortgage on file with the Master Servicer.  Asset Number 1-004's property address, which was originally reflected as 1351 South Wheeling Road, is reporting as 1351 S. Wheeling Road in accordance with the Mortgage on file with the Master Servicer.  Asset Number 1-007's property address, which was originally reflected as 1900 South 25th Avenue, is reporting as 1900 S. 25th Avenue in accordance with the Mortgage on file with the Master Servicer.  Asset Number 3's property address, which was originally reflected as Various, is reporting as 106-20 Shore Front Parkway, 107-10 Shorefront Parkway 1 Beach 105th Street in accordance with the Mortgage on file with the Master Servicer.  Asset Number 4-009s property address, which was originally reflected as 5005 Samuell Boulevard, is reporting as 5005 Samuell Blvd. in accordance with the Mortgage on file with the Master Servicer.  Asset Number 4-011s property address, which was originally reflected as 6526 &amp; 6538 Judge Adams Road, is reporting as 6538 &amp; 6526 Judge Adams Road in accordance with the Mortgage on file with the Master Servicer.  Asset Number 4-012s property address, which was originally reflected as 4350 Fortune Avenue Northwest, is reporting as 4350 Fortune Ave NW in accordance with the Mortgage on file with the Master Servicer.  Asset Number 4-018s property address, which was originally reflected as 4690 Global Avenue Northwest, is reporting as 4690 Global Avenue NW in accordance with the Mortgage on file with the Master Servicer.  Asset Number 4-019s property address, which was originally reflected as 3466 Shippers Drive Northwest, is reporting as 3466 Shippers Drive in accordance with the Mortgage on file with the Master Servicer.  Asset Number 4-030s property address, which was originally reflected as 1103 Powderhouse Road Southeast, is reporting as 1103 Powderhouse Road SE in accordance with the Mortgage on file with the Master Servicer.  Asset Number 4-033s property address, which was originally reflected as 505 Morgan Lakes Industrial Boulevard, is reporting as 505 Morgan Lakes Industrial Blvd. in accordance with the Mortgage on file with the Master Servicer.  Asset Number 4-035s property address, which was originally reflected as 3058 Lakemont Boulevard, is reporting as 3058 Lakemont Blvd in accordance with the Mortgage on file with the Master Servicer.  Asset Number 4-051s property address, which was originally reflected as 6101 Southwest 44th Street, is reporting as 6101 SW 44th Street in accordance with the Mortgage on file with the Master Servicer.  Asset Number 4-055s property address, which was originally reflected as 1935 Blue Hills Drive Northeast, is reporting as 1935 Blue Hills Drive in accordance with the Mortgage on file with the Master Servicer.  Asset Number 4-061s property address, which was originally reflected as 10551 North Congress Avenue, is reporting as 10551 N Congress Avenue in accordance with the Mortgage on file with the Master Servicer.  Asset Number 4-062s property address, which was originally reflected as 3736 Tom Andrews Road Northwest, is reporting as 3736 Tom Andrews Road in accordance with the Mortgage on file with the Master Servicer.  Asset Number 4-068s property address, which was originally reflected as 1270 North Wilkening Road, is reporting as 1270 North Wilkening in accordance with the Mortgage on file with the Master Servicer.  Asset Number 4-073s property address, which was originally reflected as 2427 Henry Road Northwest, is reporting as 2427 Henry Road NW in accordance with the Mortgage on file with the Master Servicer.  Asset Number 4-081s property address, which was originally reflected as 1122 Stoney Ridge Road, is reporting as 1122 Stony Ridge Road in accordance with the Mortgage on file with the Master Servicer.  Asset Number 4-083s property address, which was originally reflected as 2901 East Heartland Drive, is reporting as 2901 E Heartland Drive in accordance with the Mortgage on file with the Master Servicer.  Asset Number 4-086s property address, which was originally reflected as 440 Highway 49 South, is reporting as 440 US Highway 49 South in accordance with the Mortgage on file with the Master Servicer.  Asset Number 8s property address, which was originally reflected as Various, is reporting as 545 Prospect Place in accordance with the Mortgage on file with the Master Servicer.  Asset Number 9-001s property address, which was originally reflected as Various, is reporting as 1922 Beach Avenue 1926 N. Arkansas Avenue and 1917 N.Columbia Avenue in accordance with the Mortgage on file with the Master Servicer.  Asset Number 9-002s property address, which was originally reflected as 1800-1902 North Mississippi Avenue, is reporting as 1800-1801 N. Mississippi Avenue in accordance with the Mortgage on file with the Master Servicer.  Asset Number 9-003s property address, which was originally reflected as 2304 Sheldon Avenue, is reporting as 2304 &amp; 2305 Sheldon Avenue 1905 &amp; 2005 W Riverside Dr in accordance with the Mortgage on file with the Master Servicer.  Asset Number 12s property address, which was originally reflected as 2150 Northwoods Boulevard, is reporting as 2150, 2152, 2156 Northwoods Boulevard in accordance with the Mortgage on file with the Master Servicer.  Asset Number 13s property address, which was originally reflected as Various, is reporting as 1 Seneca Street, 3 Seneca Street, 222 Main Street an 222 Main Street and 177 Washington Street in accordance with the Mortgage on file with the Master Servicer.  Asset Number 14s property address, which was originally reflected as 120 Northeast 39th Street, is reporting as 118-120 NE 39th Street in accordance with the Mortgage on file with the Master Servicer.  Asset Number 15-001s property address, which was originally reflected as 4501 East Massachusetts Avenue, is reporting as 4407 &amp; 4501 Massachusetts Avenue in accordance with the Mortgage on file with the Master Servicer.  Asset Number 25s property address, which was originally reflected as 337 East 4th Avenue, is reporting as 337 E 4th Avenue in accordance with the Mortgage on file with the Master Servicer.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(3)</itemNumber>
		<fieldName>propertyCity</fieldName>
		<comment>Asset Number 1-007s property city, which was originally reflected as Broadview, is reporting as Chicago in accordance with the Mortgage on file with the Master Servicer.  Asset Number 5s property city, which was originally reflected as Woodbury, is reporting as Deptford in accordance with the Mortgage on file with the Master Servicer. </comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(5)</itemNumber>
		<fieldName>propertyZip</fieldName>
		<comment>Asset Number 1-007s property zip, which was originally reflected as 60155, is reporting as 60608 in accordance with the Mortgage on file with the Master Servicer.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(5)</itemNumber>
		<fieldName>propertyZip</fieldName>
		<comment>For all properties with zip codes reflecting less than five digits, the missing digit is a leading zero.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(6)</itemNumber>
		<fieldName>propertyCounty</fieldName>
		<comment>Asset Number 4-040s property county, which was originally reflected as St. Tammany, is reporting as St. Tammany Parish in accordance with the Mortgage on file with the Master Servicer.  Asset Number 4-041s property county, which was originally reflected as St. Claire, is reporting as St. Clair in accordance with the Mortgage on file with the Master Servicer.  Asset Number 4-055s property county, which was originally reflected as Roanoke City, is reporting as Roanoke (city) in accordance with the Mortgage on file with the Master Servicer.  Asset Number 4-062s property county, which was originally reflected as Roanoke City, is reporting as Roanoke (city) in accordance with the Mortgage on file with the Master Servicer.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(8)</itemNumber>
		<fieldName> Net Rentable Square Feet Number</fieldName>
		<comment>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.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(9)</itemNumber>
		<fieldName>Net Rentable Square Feet Securitization Number</fieldName>
		<comment>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.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(10)</itemNumber>
		<fieldName>  Units Beds Rooms Number</fieldName>
		<comment>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.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(11)</itemNumber>
		<fieldName> Units Beds Rooms Securitization Number</fieldName>
		<comment>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.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(14)</itemNumber>
		<fieldName>   Valuation Securitization Amount</fieldName>
		<comment>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.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(25)(i)</itemNumber>
		<fieldName>Largest Tenant</fieldName>
		<comment>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.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(27)(iii)</itemNumber>
		<fieldName>Lease Expiration Third Largest Tenant Date</fieldName>
		<comment>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.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(28)(iv)</itemNumber>
		<fieldName>   Revenue Securitization Amount</fieldName>
		<comment>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.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(28)(vi)</itemNumber>
		<fieldName>  Operating Expenses Securitization Amount</fieldName>
		<comment>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.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(28)(viii)</itemNumber>
		<fieldName> Net Operating Income Securitization Amount</fieldName>
		<comment>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.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(28)(x)</itemNumber>
		<fieldName>Net Cash Flow Securitization Amount</fieldName>
		<comment>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.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(28)(xv)</itemNumber>
		<fieldName>Debt Service Coverage Net Operating Income Securitization Percentage</fieldName>
		<comment>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.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(28)(xvii)</itemNumber>
		<fieldName> Debt Service Coverage Net Cash Flow Securitization Percentage</fieldName>
		<comment>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.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(e)(5)</itemNumber>
		<fieldName>Report Period Interest Rate Percentage</fieldName>
		<comment>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.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(e)(6)</itemNumber>
		<fieldName> Servicer Trustee Fee Rate Percentage</fieldName>
		<comment>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.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(f)(1)</itemNumber>
		<fieldName>Primary Servicer Name</fieldName>
		<comment>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. </comment>
	</commentData>
</comments>
