<?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 the X.XX format in the initial Exhibit 102 that was filed on June 24, 2024 to the X-XXX format, for example, 7.01 and 7.02 in the initial Exhibit 102 have been changed to 7-001 and 7-002, respectively.</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 2024-C9 Mortgage Trust transaction.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(c)(15)</itemNumber>
		<fieldName>Loan Structure Code</fieldName>
		<comment>For the mortgage loans identified as Grapevine Mills (Asset Number 1), St. Johns Town Center (Asset Number 2), 680 Madison Avenue (Asset Number 3), Dallas Market Center (Asset Number 4), 20 &amp; 40 Pacifica (Asset Number 5), DHC Medical Office Portfolio (Asset Number 6), Texas SH Portfolio (Asset Number 7), Phoenix Industrial Portfolio XI (Asset Number 15), 1812 North Moore (Asset Number 29), Weatherford Ridge (Asset Number 30), and Arundel Mills and Marketplace (Asset Number 41), 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 3s property name, which was originally reflected as 680 Madison Avenue, is reporting as 680 Madison in accordance with the Mortgage on file with the Master Servicer. Asset Number 7-001s property name, which was originally reflected as Domain at Waco, is reporting as Domain At Waco in accordance with the Mortgage on file with the Master Servicer. Asset Number 7-002s property name, which was originally reflected as NTX Denton, is reporting as Ntx Denton in accordance with the Mortgage on file with the Master Servicer. Asset Number 8-001s property name, which was originally reflected as Lakefront I and II, is reporting as Belle Avenue in accordance with the Mortgage on file with the Master Servicer. Asset Number 8-002s property name, which was originally reflected as Belle Avenue, is reporting as Lakefront I and II in accordance with the Mortgage on file with the Master Servicer. Asset Number 12s property name, which was originally reflected as 72 Madison, is reporting as 72 Madison Avenue in accordance with the Mortgage on file with the Master Servicer. Asset Number 13s property name, which was originally reflected as Hampton Inn Newburgh, is reporting as Hampton Inn &amp; Suites Newburgh in accordance with the Mortgage on file with the Master Servicer. Asset Number 41s property name, which was originally reflected as Arundel Mills and Marketplace, is reporting as Arundel Mills And Marketplace in accordance with the Mortgage on file with the Master Servicer.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(2)</itemNumber>
		<fieldName>propertyAddress</fieldName>
		<comment>Asset Number 1's property address, which was originally reflected as 3000 Grapevine Mills Parkway &amp; 2501 Bass Pro Drive, is reporting as 3000 Grapevine Mills Parkway 2501 Bass Pro Drive in accordance with the Mortgage on file with the Master Servicer. Asset Number 6-003's property address, which was originally reflected as 200 Old Country Road, is reporting as 200 And 204 Old Country Road in accordance with the Mortgage on file with the Master Servicer. Asset Number 8-001s property address, which was originally reflected as 6101, 6149, 6203 and 6251 Chancellor Drive, is reporting as 1200-1270 Belle Avenue in accordance with the Mortgage on file with the Master Servicer. Asset Number 8-002s property address, which was originally reflected as 1200-1270 Belle Avenue, is reporting as 6101, 6149, 6203 and 6251 Chancellor Drive in accordance with the Mortgage on file with the Master Servicer. Asset Number 11s property address, which was originally reflected as 1440 Central Avenue, is reporting as 1440, 1440a, 1450 Central Avenue in accordance with the Mortgage on file with the Master Servicer. Asset Number 14-001s property address, which was originally reflected as 7555 Decatur Road, is reporting as 7555 Decatur Fort Road in accordance with the Mortgage on file with the Master Servicer. Asset Number 14-002s property address, which was originally reflected as 2215 South Maple Avenue, is reporting as 2215 South Maple Avenue #210 in accordance with the Mortgage on file with the Master Servicer. Asset Number 14-006s property address, which was originally reflected as 301 West Glenwood Avenue (aka 311 Sam Street and 105 West Glenwood Avenue), is reporting as 301 West Glenwood Avenue in accordance with the Mortgage on file with the Master Servicer. Asset Number 16s property address, which was originally reflected as 60 Centre Drive, is reporting as 60 Center Drive in accordance with the Mortgage on file with the Master Servicer. Asset Number 17s property address, which was originally reflected as 3140 South 4th Avenue, is reporting as 3096 S. 4th Ave S. 4th Ave 501 W. Catalina Dr. #C, 505 W. Catalina Dr. in accordance with the Mortgage on file with the Master Servicer. Asset Number 20-001s property address, which was originally reflected as 1110 East Nasa Parkway, is reporting as 1110 East NASA Parkway in accordance with the Mortgage on file with the Master Servicer. Asset Number 20-002s property address, which was originally reflected as 1100 East Nasa Parkway, is reporting as 1100 East NASA Parkway in accordance with the Mortgage on file with the Master Servicer. Asset Number 21s property address, which was originally reflected as 1120 East Nasa Parkway, is reporting as 1120 East NASA Parkway in accordance with the Mortgage on file with the Master Servicer. Asset Number 22-001s property address, which was originally reflected as 3818 Community Road and 145, 190, 204 Shell Drive, is reporting as 3818 Community Road 145, 190, 204 Shell Drive in accordance with the Mortgage on file with the Master Servicer. Asset Number 22-002s property address, which was originally reflected as 4970 West River Drive Northeast, 820 and 4934 Northeast West River Drive and 3344 Northwest West River Drive, is reporting as 4970 West River Drive Northeast, 820 and 4934 Northeast West River Drive and 3344 NW West River Drive in accordance with the Mortgage on file with the Master Servicer. Asset Number 24s property address, which was originally reflected as 10120-10140 West Flamingo Road, is reporting as 10120-10140 W. Flamingo Road in accordance with the Mortgage on file with the Master Servicer. Asset Number 27s property address, which was originally reflected as 10023-10027, 10045-10055 West Appleton Avenue and 2809 and 2841 West Highland Boulevard, is reporting as 2809 W Highland Blvd in accordance with the Mortgage on file with the Master Servicer. Asset Number 32s property address, which was originally reflected as 5427-5447 and 5469-5479 North 91st Street, 9217 and 9326 West Sheridan Avenue, 5732-5932 West Helena Street, 5308-5314 North Teutonia Ave and 4028 West Lancaster Avenue, is reporting as 5427 N  91st St in accordance with the Mortgage on file with the Master Servicer. Asset Number 37s property address, which was originally reflected as 9235-9415 West Silver Spring Drive and 8175-8223 West Medford Avenue, is reporting as 9235 West Silver Spring Drive in accordance with the Mortgage on file with the Master Servicer. Asset Number 40s property address, which was originally reflected as 3122 North Broadway Street, is reporting as 3120-22  N Broadway in accordance with the Mortgage on file with the Master Servicer. Asset Number 42s property address, which was originally reflected as 18911 West Industrial Parkway, is reporting as 18911 W. Industrial Parkway 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 6-008s property city, which was originally reflected as King of Prussia, is reporting as King Of Prussia in accordance with the Mortgage on file with the Master Servicer. Asset Number 8-001s property city, which was originally reflected as Orlando, is reporting as Winter Springs in accordance with the Mortgage on file with the Master Servicer. Asset Number 8-002s property city, which was originally reflected as Winter Springs, is reporting as Orlando in accordance with the Mortgage on file with the Master Servicer. Asset Number 11s property city, which was originally reflected as Albany, is reporting as Colonie in accordance with the Mortgage on file with the Master Servicer. Asset Number 16s property city, which was originally reflected as Central Valley, is reporting as Woodbury in accordance with the Mortgage on file with the Master Servicer. Asset Number 22-002s property city, which was originally reflected as Comstock Park, Walker, is reporting as Comstock Park &amp; Grand Rap in accordance with the Mortgage on file with the Master Servicer.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(5)</itemNumber>
		<fieldName>    Property Zip</fieldName>
		<comment>For the mortgaged property identified as Comstock Self Storage (Asset Number 22.02) the zip codes of the mortgaged property are 49321 and 49544. For the mortgaged property identified as Highland &amp; Appleton (Asset Number 27) the zip codes of the mortgaged property are 53225 and 53208. For the mortgaged property identified as Willow Court (Asset Number 32) the zip codes of the mortgaged property are 53225,  53223 and 53209. For the mortgaged property identified as Silver Spring &amp; Medford (Asset Number 37) the zip codes of the mortgaged property are 53225 and 53218.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(5)</itemNumber>
		<fieldName>propertyZip</fieldName>
		<comment>Asset Number 8-001s property zip, which was originally reflected as 32809, is reporting as 32708 in accordance with the Mortgage on file with the Master Servicer. Asset Number 8-002s property zip, which was originally reflected as 32708, is reporting as 32809 in accordance with the Mortgage on file with the Master Servicer. Asset Number 11s property zip, which was originally reflected as 12205, is reporting as 12206 in accordance with the Mortgage on file with the Master Servicer. Asset Number 12s property zip, which was originally reflected as 10016, is reporting as 10010 in accordance with the Mortgage on file with the Master Servicer. Asset Number 27s property zip, which was originally reflected as 53225, is reporting as 53208 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 the 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 8-001s property county, which was originally reflected as Orange, is reporting as Seminole in accordance with the Mortgage on file with the Master Servicer. Asset Number 8-002s property county, which was originally reflected as Seminole, is reporting as Orange in accordance with the Mortgage on file with the Master Servicer. Asset Number 15-002s property county, which was originally reflected as Lynchburg City, is reporting as Lynchburg (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)(20)</itemNumber>
		<fieldName>  Physical Occupancy Securitization Percentage</fieldName>
		<comment>The percentage of rentable space is determined based on the applicable unit of measurement provided in 2(d)(9) or 2(d)(11).

</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(25)(iii)</itemNumber>
		<fieldName> Lease Expiration Largest Tenant Date</fieldName>
		<comment>For the mortgaged property identified as 200 Old Country Road (Asset number 6.03), the Lease Expiration Largest Tenant Date has been left blank as the largest tenant has a month-to-month lease with respect to 700 square feet of the space. The lease with the largest tenant expires on: 12/31/2024 with respect to 1,477 square feet of the space; 04/30/2025 with respect to 5,483 square feet of the space; 08/31/2025 with respect to 5,938 square feet of the space; 12/31/2025 with respect to 1,668 square feet of the space; 08/31/2026 with respect to 5,065 square feet of the space; 10/31/2026 with respect to 4,412 square feet of the space; 11/30/2026 with respect to 5,235 square feet of the space; 01/31/2027 with respect to 9,763 square feet of the space; 03/31/2027 with respect to 10,084 square feet of the space; and 12/31/2027 with respect to 18,433 square feet of the space.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(26)(iii)</itemNumber>
		<fieldName>Lease Expiration Second Largest Tenant Date</fieldName>
		<comment>For each of the mortgaged properties identified as Rockford, IL (Asset Number 15.05) and 1120 Nasa Parkway (Asset Number 21), the Lease Expiration Second Largest Tenant Date has been left blank as the tenant has a month-to-month lease.  For the mortgaged property identified as Dallas Market Center (Asset number 4), the lease with the second largest tenant expires on: 10/31/2024 with respect to 10,750 square feet of the space; 9/30/2026 with respect to 2,230 square feet of the space; and 10/31/2026 with respect to 21,767 square feet of the space.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(27)(iii)</itemNumber>
		<fieldName>Lease Expiration Third Largest Tenant Date</fieldName>
		<comment>For each of the mortgaged properties identified as Rockford, IL (Asset Number 15.05), 1120 Nasa Parkway (Asset Number 21) and Miami Lakes Medical Office Park (Asset Number 33), the Lease Expiration Third Largest Tenant Date has been left blank as the tenant has a month-to-month lease. For the mortgaged property identified as 1812 North Moore (Asset Number 29), the lease with the third largest tenant expires on 12/31/2029 with respect to 38,075 square feet of the space; and 06/30/2030 with respect to 8,187 square feet of the space.</comment>
	</commentData>
	<commentData>
		<itemNumber>Item 2(d)(28)(i)</itemNumber>
		<fieldName>Financials Securitization Date</fieldName>
		<comment>For the assets identified as Shelby Distribution Facility (Asset Number 23), and Command Tubular (Asset Number 42), the Financials Securitization Date has been left blank as it was not available at the time of securitization.</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)(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(R) 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 is Midland Loan Services, a Division of PNC Bank, National Association.  The full name for Wells Fargo is Wells Fargo Bank, National Association.</comment>
	</commentData>
</comments>
