Item 2(a)(2) assetNumber 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 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 2025-5C12 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 Warren Corporate Center (Asset Number 3), 180 Water (Asset Number 6), Gateway Industrial Center (Asset Number 13), 1000 Portside Drive (Asset Number 18), Vertex HQ (Asset Number 22), ILPT 2025 Portfolio (Asset Number 24), Parkwyn Townhomes (Asset Number 28), and Century Business Center (Asset Number 40), 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)(1) propertyName Asset Number 4-004s property name, which was originally reflected as Boulder Trails, is reporting as Southeast MHC Portfolio in accordance with the Mortgage on file with the Master Servicer. Asset Number 10s property name, which was originally reflected as 321-325 West 42nd Street, is reporting as 321-325 W 42nd Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 11s property name, which was originally reflected as The Life Hotel, is reporting as Life Hotel in accordance with the Mortgage on file with the Master Servicer. Asset Number 14s property name, which was originally reflected as Supreme High Street Retail, is reporting as 45 NE 15th Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 15-001s property name, which was originally reflected as Beechgrove Self Storage, is reporting as Beechgrove & Buttermilk Pike Self Storage in accordance with the Mortgage on file with the Master Servicer. Asset Number 15-002s property name, which was originally reflected as Buttermilk Pike Self Storage, is reporting as Schmidt Lane Property in accordance with the Mortgage on file with the Master Servicer. Asset Number 17s property name, which was originally reflected as 22 Milford Street, is reporting as 22 Milford in accordance with the Mortgage on file with the Master Servicer. Asset Number 18s property name, which was originally reflected as 1000 Portside Drive, is reporting as 1000 Portside in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-002s property name, which was originally reflected as 91-399 Kauhi, is reporting as 91-399 Kauhi Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-008s property name, which was originally reflected as 1341 N. Clyde Morris Blvd., is reporting as 1341 North Clyde Morris Boulevard in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-009s property name, which was originally reflected as 27200 SW 127th Avenue, is reporting as 27200 Southwest 127th Avenue in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-014s property name, which was originally reflected as 13400 East 39th Avenue and 3800 Wheeling Street, is reporting as 13400 East 39th Avenue in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-015s property name, which was originally reflected as 91-141 Kalaeloa, is reporting as 91-141 Kalaeloa Boulevard in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-022s property name, which was originally reflected as 91-238 Kauhi, is reporting as 91-238 Kauhi Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-024s property name, which was originally reflected as 9215-9347 E Pendleton Pike, is reporting as 9215-9347 East Pendleton Pike in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-031s property name, which was originally reflected as 2701 S.W. 18th Street, is reporting as 2701 Southwest 18th Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-038s property name, which was originally reflected as 985 Kershaw Street, is reporting as 985 West Kershaw Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-039s property name, which was originally reflected as 1990 Hood Road, is reporting as 1980 Hood Road in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-042s property name, which was originally reflected as 91-329 Kauhi, is reporting as 91-329 Kauhi Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-045s property name, which was originally reflected as 91-241 Kalaeloa, is reporting as 91-241 Kalaeloa Boulevard in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-048s property name, which was originally reflected as 8000 Mid America Blvd., is reporting as 8000 Mid America Boulevard in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-049s property name, which was originally reflected as 14257 E. Easter Avenue, is reporting as 14257 East Easter Avenue in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-050s property name, which was originally reflected as 91-080 Hanua, is reporting as 91-080 Hanua Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-059s property name, which was originally reflected as 91-222 Olai, is reporting as 91-222 Olai Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-062s property name, which was originally reflected as 7121 South Fifth Avenue, is reporting as 7121 South 5th Avenue in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-064s property name, which was originally reflected as 91-250 Komohana, is reporting as 91-250 Komohana Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-065s property name, which was originally reflected as 91-220 Kalaeloa, is reporting as 91-220 Kalaeloa Boulevard in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-066s property name, which was originally reflected as 91-185 Kalaeloa, is reporting as 91-185 Kalaeloa Boulevard in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-067s property name, which was originally reflected as 91-300 Hanua, is reporting as 91-300 Hanua Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-069s property name, which was originally reflected as 91-259 Olai, is reporting as 91-259 Olai Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-072s property name, which was originally reflected as 91-202 Kalaeloa, is reporting as 91-202 Kalaeloa Boulevard in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-073s property name, which was originally reflected as 2100 NW 82nd Avenue, is reporting as 2100 Northwest 82nd Avenue in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-076s property name, which was originally reflected as 91-400 Komohana, is reporting as 91-400 Komohana Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-077s property name, which was originally reflected as 91-265 Hanua, is reporting as 91-265 Hanua Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-078s property name, which was originally reflected as 91-255 Hanua, is reporting as 91-255 Hanua Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-082s property name, which was originally reflected as 3900 NE 6th Street, is reporting as 3900 6th Street Northeast in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-083s property name, which was originally reflected as 91-218 Olai, is reporting as 91-218 Olai Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-085s property name, which was originally reflected as 91-210 Kauhi, is reporting as 91-210 Kauhi Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-086s property name, which was originally reflected as 435 SE 70th Street, is reporting as 435 Southeast 70th Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-088s property name, which was originally reflected as 91-210 Olai, is reporting as 91-210 Olai Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-089s property name, which was originally reflected as 91-95 Hanua, is reporting as 91-95 Hanua Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-090s property name, which was originally reflected as 2401 Cram Avenue SE, is reporting as 2401 Cram Avenue Southeast in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-091s property name, which was originally reflected as 91-083 Hanua, is reporting as 91-083 Hanua Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-092s property name, which was originally reflected as 91-119 Olai, is reporting as 91-119 Olai Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-094s property name, which was originally reflected as 91-174 Olai, is reporting as 91-174 Olai Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-096s property name, which was originally reflected as 91-252 Kauhi, is reporting as 91-252 Kauhi Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-097s property name, which was originally reflected as 91-349 Kauhi, is reporting as 91-349 Kauhi Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-098s property name, which was originally reflected as 91-175 Olai, is reporting as 91-175 Olai Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-099s property name, which was originally reflected as 91-087 Hanua, is reporting as 91-087 Hanua Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-100s property name, which was originally reflected as 91-171 Olai, is reporting as 91-171 Olai Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-101s property name, which was originally reflected as 91-410 Komohana, is reporting as 91-410 Komohana Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-102s property name, which was originally reflected as 91-416 Komohana, is reporting as 91-416 Komohana Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 41-001s property name, which was originally reflected as Shannon Apartments, is reporting as Kimberly and Shannon Apartments in accordance with the Mortgage on file with the Master Servicer. Asset Number 42s property name, which was originally reflected as 41 North Main Street, is reporting as 41 N Main Street in accordance with the Mortgage on file with the Master Servicer. Item 2(d)(2) propertyAddress Asset Number 2's property address, which was originally reflected as 1-170 Spring Valley Market Place, is reporting as 1-49 Spring Valley Market Place in accordance with the Mortgage on file with the Master Servicer. Asset Number 4-001's property address, which was originally reflected as 391 Georgia Highway 125 South and 1407 Bill Bowen Road, is reporting as 369 GA Hwy 125 S (aka 391 GA Hwy 125 S) 382 GA Hwy 125 S And 1407 Bill Bowen Road in accordance with the Mortgage on file with the Master Servicer. Asset Number 4-002's property address, which was originally reflected as 200 Logan Drive, is reporting as 200 Logan Drive 39 County Road (aka Nuckols Road) in accordance with the Mortgage on file with the Master Servicer. Asset Number 4-003's property address, which was originally reflected as 191 Railroad Street, is reporting as 191 Railroad Street 45 Norris Street, 68 and 214 Alabama Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 4-005's property address, which was originally reflected as 3780 Lee Road, is reporting as 3780 Lee Road 391 (aka Old Columbus Road) in accordance with the Mortgage on file with the Master Servicer. Asset Number 5-003s property address, which was originally reflected as 410 Fleming Street, is reporting as 410 South Fleming Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 7s property address, which was originally reflected as 4700 Wissahickon Avenue, is reporting as 4700 Wissahickon Avenue a/k/a 4422-88 Wissahickon Avenue in accordance with the Mortgage on file with the Master Servicer. Asset Number 8s property address, which was originally reflected as 343 West Schiller Street, is reporting as 335-343 West Schiller Street aka: 1355-1367 North Sedgwick Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 12s property address, which was originally reflected as 138 Leopard Road and 160 Cougar Street, is reporting as 138 Leopard Road 160 Cougar Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 14s property address, which was originally reflected as 45 Northeast 41st Street, is reporting as 45 NE 41st Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 15-002s property address, which was originally reflected as 2550 Schmidt Lane & 2521 High Street, is reporting as 2550 Schmidt Lane in accordance with the Mortgage on file with the Master Servicer. Asset Number 20-001s property address, which was originally reflected as 131 Bolin Road and 208 Laurin Drive, is reporting as 131 Bolin Road 208 Laurin Drive in accordance with the Mortgage on file with the Master Servicer. Asset Number 20-003s property address, which was originally reflected as 148 Sunnybrook Lane, is reporting as 106 Sunnybrook Lane in accordance with the Mortgage on file with the Master Servicer. Asset Number 20-004s property address, which was originally reflected as 1904 North William Street, is reporting as 1904 North Williams Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 20-005s property address, which was originally reflected as 1754 Zion Road, is reporting as 1745 Zion Road in accordance with the Mortgage on file with the Master Servicer. Asset Number 20-006s property address, which was originally reflected as 216 Second Avenue Southeast, is reporting as 100 Second Avenue Southeast in accordance with the Mortgage on file with the Master Servicer. Asset Number 21s property address, which was originally reflected as 7 Slater Drive aka 89-147 Atalanta Plaza, is reporting as 7 Slater Drive aka 89-147 Atalanta Plaz in accordance with the Mortgage on file with the Master Servicer. Asset Number 22s property address, which was originally reflected as 11 Fan Pier Boulevard and 50 Northern Avenue, is reporting as 11 Fan Pier Boulevard 50 Northern Avenue in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-014s property address, which was originally reflected as 13400 East 39th Avenue and 3800 Wheeling Street, is reporting as 13400 East 39th Avenue 3800 Wheeling Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-030s property address, which was originally reflected as 3245 Henry Road and 3185 Columbia Road, is reporting as 3245 Henry Road 3185 Columbia Road in accordance with the Mortgage on file with the Master Servicer. Asset Number 25s property address, which was originally reflected as 658, 660, 662 and 664 East 232nd Street, is reporting as 658, 660 East 232nd Street in accordance with the Mortgage on file with the Master Servicer. Asset Number 31s property address, which was originally reflected as 6111 Ox Road and 10910 Clara Barton Drive, is reporting as 6111 Ox Road 10930 Clara Barton Drive in accordance with the Mortgage on file with the Master Servicer. Asset Number 35s property address, which was originally reflected as 245-315 Palisades Avenue, is reporting as 245,275 And 315 Palisades Avenue in accordance with the Mortgage on file with the Master Servicer. Asset Number 42s property address, which was originally reflected as 41 North Main Street, is reporting as 41 N Main Street in accordance with the Mortgage on file with the Master Servicer. Item 2(d)(3) propertyCity Asset Number 10s property city, which was originally reflected as New York, is reporting as Manhattan in accordance with the Mortgage on file with the Master Servicer. Asset Number 34s property city, which was originally reflected as New York, is reporting as Brooklyn in accordance with the Mortgage on file with the Master Servicer. Item 2(d)(5) Property Zip For the properties with zip codes reflecting less than five digits, the missing digit is a leading zero. Item 2(d)(5) propertyZip Asset Number 31s property zip, which was originally reflected as 22032, is reporting as 22039 in accordance with the Mortgage on file with the Master Servicer. Item 2(d)(6) propertyCounty Asset Number 24-007s property county, which was originally reflected as Charleston, is reporting as Dorchester in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-028s property county, which was originally reflected as Larimer, is reporting as Weld in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-040s property county, which was originally reflected as East Baton Rouge, is reporting as E. Baton Rouge Parish in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-063s property county, which was originally reflected as Cumberland, is reporting as Bladen in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-080s property county, which was originally reflected as Lafayette, is reporting as Lafayette Parish in accordance with the Mortgage on file with the Master Servicer. Asset Number 24-087s property county, which was originally reflected as Richmond, is reporting as Columbia in accordance with the Mortgage on file with the Master Servicer. 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)(iii) Lease Expiration Largest Tenant Date For the mortgaged property identified as 1985 International Way (Asset Number 24.43), the Largest Tenant has a month-to-month lease. Item 2(d)(25)(iii) Lease Expiration Largest Tenant Date For the mortgaged property identified as Gateway Industrial Center (Asset Number 13), the lease with the largest tenant expires on: 9/30/2027 with respect to 572,610 square feet of the space and 10/31/2027 with respect to 154,925 square feet of the space. Item 2(d)(27)(iii) Lease Expiration Third Largest Tenant Date For the mortgaged property identified as 91-329 Kauhi (Asset Number 24.42), the Third Largest Tenant has a month-to-month lease. Item 2(d)(28)(i) Financials Securitization Date For the assets identified as Warren Corporate Center (Asset Number 3), Supreme High Street Retail (Asset Number 14), 22 Milford Street (Asset Number 17), FG Communities MHC Portfolio (Asset Number 20), East 232nd Street (Asset Number 25), 340 Broadway (Asset Number 34), Century Business Center (Asset Number 40), and 41 North Main Street (Asset Number 42), 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, net of any economic holdbacks, 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, net of any economic holdbacks, 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 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.