{"url_path":"/sec/cik-0002128774/8-k/2026-06-25/item-15","section_key":"item-15","section_title":"Item 15   Exhibits, Financial Statement Schedules","topic":"sec","document":{"doc_type":"8-K/A","doc_date":"2026-06-25","source_url":"https://www.sec.gov/Archives/edgar/data/2128774/0001539497-26-001866-index.html","accession_number":"0001539497-26-001866","cik":"0002128774","ticker":null,"issuer_name":"BMO 2026-5C15 Mortgage Trust","edgar_url":"https://www.sec.gov/Archives/edgar/data/2128774/0001539497-26-001866-index.html","primary_entity_key":"0002128774","primary_entity_name":"BMO 2026-5C15 Mortgage Trust"},"word_count":6667,"has_tables":true,"body_markdown":"Item 15:  Exhibits, Financial Statement Schedules\n\nCertificate Administrator\n\nDepositor\n\nAdditional Item:\n\n \n\nDisclosure per Item 1117 of Regulation AB\n\n(i) All parties to the Pooling and Servicing Agreement (as to themselves), (ii) any other Reporting Servicer (as to itself), (iii) the Trustee, the Certificate Administrator, the Master Servicer, the Depositor and the Special Servicer, in each case as to the Trust (in the case of the Master Servicer, the Depositor and the Special Servicer, to be reported by the party controlling such litigation), (iv) each Mortgage Loan Seller as\n\nV-1\n\n**Item on Form 10-K**\n**Party Responsible**\n\nto itself and as to each Regulation AB Item 1110(b) originator with respect to such Mortgage Loan Seller’s Mortgage Loans and as to each Regulation AB Item 1100(d)(1) party either affiliated with or retained by such Mortgage Loan Seller, or with whom such Mortgage Loan Seller contracts\n\nAdditional Item:\n\nDisclosure per Item 1119 of Regulation AB\n\n(i) All parties to the Pooling and Servicing Agreement\nas to themselves (in the case of the Master Servicer, only as to 1119(a) affiliations with Significant Obligors identified in the Pooling\nand Servicing Agreement, the Trustee, the Certificate Administrator, the\nSpecial Servicer or a sub-servicer described in 1108(a)(3) and, in the case of the Special Servicer, only as to 1119(a) affiliations with\nSignificant Obligors identified in the Pooling and Servicing Agreement, the Trustee, the Certificate\nAdministrator, the Master Servicer or a sub-servicer described in 1108(a)(3)),\n(ii) each Mortgage Loan Seller as to itself and as to each Regulation AB Item 1110 originator with respect to such Mortgage Loan\nSeller’s Mortgage Loans and as to each Regulation AB Item 1100(d)(1) party either affiliated with or retained by such Mortgage Loan\nSeller, or with whom such Mortgage Loan Seller contracts, (iii) the Depositor as to the enhancement or support provider\n\nAdditional Item:\n\nDisclosure per Item 1112(b) of Regulation AB\n\nMaster Servicer (excluding information for which the\nSpecial Servicer is the “Party Responsible”)\n\nSpecial Servicer (as to REO Properties)\n\nAdditional Item:\n\nDisclosure per Items 1114(b)(2) and 1115(b) of Regulation\nAB\n\nDepositor\n\n \n\nV-2\n\n**EXHIBIT W-1\n\nFORM OF ADDITIONAL DISCLOSURE NOTIFICATION**\n\n****SEND VIA EMAIL TO THE E-MAIL ADDRESSES\nIMMEDIATELY BELOW AND\nVIA OVERNIGHT MAIL TO THE PHYSICAL ADDRESSES IMMEDIATELY\nBELOW****\n\n[DATE]\n\n \n\nComputershare Trust Company, National\n\nAssociation,\n\nas Certificate Administrator and Trustee\n\n9062 Old Annapolis Road\n\nColumbia, Maryland 21045\n\nAttention: Corporate Trust Services – BMO 2026-5C15\n\nWith a copy to:\n\nTrustAdministrationGroup@computershare.com\n\n \n\n \n\n \n\nBMO Commercial Mortgage Securities\n\nLLC\n\nc/o BMO Capital Markets Corp.\n\n151 West 42nd Street\n\nNew York, New York 10036\n\nAttention: Paul Vanderslice, Michael\n\nBirajiclian and David Schell\n\nEmail: *paul.vanderslice@bmo.com,\nMichael.Birajiclian@bmo.com and\nDavid.Schell@bmo.com*\n\n \n\nBMO Commercial Mortgage Securities LLC\n\nc/o BMO Capital Markets Corp.\n\n151 West 42nd Street\n\nNew York, New York 10036\n\nAttention: Legal Department\n\nEmail: *BMOCMBSNotices@bmo.com*\n\n \n \n\nRE: **Additional Form [10-D][10-K][8-K] Disclosure**\nRequired\n\nLadies and Gentlemen:\n\nIn accordance with Section [  ]\nof the Pooling and Servicing Agreement, dated as of June 1, 2026 (the “Pooling and Servicing Agreement”), between BMO\nCommercial Mortgage Securities LLC, as Depositor, Midland Loan Services, a Division of PNC Bank, National Association, as Master Servicer,\n3650 REIT Loan Servicing LLC, as Special Servicer, BellOak, LLC, as Operating Advisor and as Asset Representations Reviewer, and Computershare\nTrust Company, National Association, as Certificate Administrator and as Trustee, the undersigned, as [          ],\nhereby notifies you that certain events have come to our attention that [will] [may] need to be disclosed on Form [10-D][10-K][8-K].\n\nDescription of Additional Form [10-D][10-K][8-K]\nDisclosure:\n\n \n\n \n\nW-1-1\n\nList of any Attachments hereto to be included\nin the Additional Form [10-D][10-K][8-K] Disclosure:\n\n \n\n \n\nAny inquiries related to\nthis notification should be directed to [ ], phone number: [ ]; email address: [ ].\n\n[NAME\nOF PARTY],\n\nas [role]\n\nBy:\n\nName:\n\nTitle:\n\nW-1-2\n\n**EXHIBIT W-2\n\nFORM OF ADDITIONAL DISCLOSURE NOTIFICATION (ACCOUNTS)**\n\n** **\n\n[DATE]\n\n \n\nComputershare Trust Company, National Association,\n\nas Certificate Administrator\n\n9062 Old Annapolis Road\n\nColumbia, Maryland 21045\n\nAttention: Corporate Trust Services – BMO 2026-5C15– SEC REPORT\nPROCESSING\n\nWith a copy to: CCTCMBSBondAdmin@computershare.com\n\nTrustAdministrationGroup@computershare.com\n\n!nacctsecnotifications@computershare.com\n\n \n\n \n\nRE: **Additional Form [10-D][10-K][8-K] Disclosure** Required\n\n \n\n \n\nLadies and Gentlemen:\n\nIn accordance with Section 10.04\nof the Pooling and Servicing Agreement, dated as of June 1, 2026 (the “Pooling and Servicing Agreement”), between BMO\nCommercial Mortgage Securities LLC, as Depositor, Midland Loan Services, a Division of PNC Bank, National Association, as Master Servicer,\n3650 REIT Loan Servicing LLC, as Special Servicer, BellOak, LLC, as Operating Advisor and as Asset Representations Reviewer, and Computershare\nTrust Company, National Association, as Certificate Administrator and as Trustee, the undersigned, as [          ],\nhereby notifies you that certain events have come to our attention that [will] [may] need to be disclosed on Form [10-D][10-K][8-K].\n\nDescription of Additional Form [10-D][10-K][8-K]\nDisclosure:\n\n \n\n[With respect to the securitization accounts balance information:\n\n**Account Name**\n\n**Beginning Balance as of**\n\n**MM/DD/YYYY**\n\n**Ending Balance as of**\n\n**MM/DD/YYYY**\n\nCollection Account\n \n \n\nWhole Loan Custodial Account(s) :\n\n[_____________] Whole Loan\n\n[_____________] Whole Loan\n\n[_____________] Whole Loan\n\n[_____________] Whole Loan\n\n[_____________] Whole Loan\n\n \n \n\nREO Account(s)\n \n \n\n \n\nW-2-1\n\nList of any Attachments hereto to be included\nin the Additional Form [10-D][10-K][8-K] Disclosure:\n\n \n\n \n\nAny inquiries related to\nthis notification should be directed to [ ], phone number: [ ]; email address: [ ].\n\n[NAME\nOF PARTY],\n\nas [role]\n\nBy:\n\nName:\n\nTitle:\n\nW-2-2\n\n**EXHIBIT W-3**\n\n** **\n\n**Form of\nNotice of ADDITIONAL**\n\n**INDEBTEDNESS\nNOTIFICATION**\n\n \n\n \n\nComputershare Trust Company, National Association,\n\nas Certificate Administrator\n\n9062 Old Annapolis Road\n\nColumbia, Maryland 21045\n\nAttention: Corporate Trust Services – BMO 2026-5C15– SEC REPORT\nPROCESSING\n\nWith a copy to: CCTCMBSBondAdmin@computershare.com\n\nCCTCMBSBondAdmin@computershare.com\n\ntrustadministrationgroup@computershare.com\n\n!nacctsecnotifications@computershare.com\n\nRef: BMO 2026-5C15, Additional Debt Notice for Form 10-D\n\n \n\nThe following information is being furnished to you for inclusion on Form\n10-D pursuant to Section 10.04(c) of the Pooling and Servicing Agreement\n\n \n\n \n**Portfolio\n\nName**\n**Mortgage\n\nLoan**\n**Position in\n\nDebt Stack**\n**Additional\n\nDebt**\n**OPB**\n**OPB\nDate**\n**Appraised\n\nValue**\n**Appraised\n\nValue Date**\n**Aggregate\n\nLTV**\n**Aggregate\n\nNCF DSCR**\n**Aggregate NCF\n\nDSCR Date**\n**Primary\n\nServicer**\n**Master\n\nServicer**\n**Lead\n\nServicer**\n**Prospectus\n\nID**\n\n1\nBMO 2026-5C15\n \n \n$\n \n \n$\n \n%\n \n \n \n \n \n \n\n \nOutside the Trust\n \n \n$\n \n \n$\n \n%\n \n \n \n \n \n \n\n \nOutside the Trust\n \n \n\n$\n\n \n \n$\n \n%\n \n \n \n \n \n \n\n \nTotal\n \n \n$\n \n \n \n \n \n \n \n \n \n \n \n\n2\nBMO 2026-5C15\n \n \n$\n \n \n$\n \n%\n \n \n \n \n \n \n\n \nOutside the Trust\n \n \n$\n \n \n$\n \n%\n \n \n \n \n \n \n\n \nOutside the Trust\n \n \n\n$\n\n \n \n$\n \n%\n \n \n \n \n \n \n\n \nTotal\n \n \n$\n \n \n \n \n \n \n \n \n \n \n \n\nW-3-1\n\n \n\n3\nBMO 2026-5C15\n \n \n$\n \n \n$\n \n%\n \n \n \n \n \n \n\n \nOutside the Trust\n \n \n$\n \n \n$\n \n%\n \n \n \n \n \n \n\n \nOutside the Trust\n \n \n\n$\n\n \n \n$\n \n%\n \n \n \n \n \n \n\n \nTotal\n \n \n$\n \n \n \n \n \n \n \n \n \n \n \n\n \n\nW-3-2\n\n**EXHIBIT X**\n\n**FORM OF CERTIFICATION TO BE PROVIDED WITH FORM 10-K**\n\n**CERTIFICATIONS**\n\nI, [identifying the certifying\nindividual], certify that:\n\n1.I have reviewed this report on Form 10-K, and all reports on Form 10-D required to be filed in respect\nof the period covered by this report on Form 10-K, of BMO 2026-5C15 Mortgage Trust (the “Exchange\nAct Periodic Reports”);\n\n2.Based on my knowledge, the Exchange Act Periodic Reports, taken as a whole, do not contain any untrue\nstatement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under\nwhich such statements were made, not misleading with respect to the period covered by this report;\n\n3.Based on my knowledge, all of the distribution, servicing and other information required to be provided\nunder Form 10-D for the period covered by this report is included in the Exchange Act Periodic Reports;\n\n4.Based on my knowledge and the servicer compliance statement(s) required in this report under Item 1123\nof Regulation AB, and except as disclosed in the Exchange Act Periodic Reports, the servicers have fulfilled their obligations under the\nservicing agreement(s) in all material respects; and\n\n5.All of the reports on assessment of compliance with servicing criteria for asset-backed securities and\ntheir related attestation reports on assessment of compliance with servicing criteria for asset-backed securities required to be included\nin this report in accordance with Item 1122 of Regulation AB and Exchange Act Rules 13a-18 and 15d-18 have been included as an exhibit\nto this report, except as otherwise disclosed in this report. Any material instances of noncompliance described in such reports have been\ndisclosed in this report on Form 10-K.\n\nIn giving the certifications above, I have\nreasonably relied on information provided to me by the following unaffiliated parties: [Master Servicer][Special Servicer][Certificate\nAdministrator][Trustee][Custodian][Operating Advisor][Outside Servicer][Outside Special Servicer]\n\nDate:\n\n[Signature]\n\n[Title]\n\nX-1\n\n**EXHIBIT Y-1**\n\n**FORM OF CERTIFICATION TO BE PROVIDED\nTO DEPOSITOR BY THE CERTIFICATE ADMINISTRATOR**\n\nRe:BMO 2026-5C15 Mortgage Trust (the “Trust”), Commercial Mortgage Pass-Through Certificates, Series 2026-5C15 (the “Certificates”),\nissued pursuant to the Pooling and Servicing Agreement, dated as of June 1, 2026 (the “Pooling and Servicing Agreement”),\nbetween BMO Commercial Mortgage Securities LLC, as Depositor, Midland Loan Services, a Division of PNC Bank, National Association, as\nmaster servicer, 3650 REIT Loan Servicing LLC, as special servicer, BellOak, LLC, as operating advisor and as asset representations reviewer,\nand Computershare Trust Company, National Association, as certificate administrator (in such capacity, the “Certificate Administrator”)\nand as trustee\n\nI, [identifying the certifying\nindividual], a [title] of [CERTIFICATE ADMINISTRATOR], certify to BMO Commercial Mortgage Securities LLC, each Other Depositor and their\nrespective officers, directors and affiliates, and with the knowledge and intent that they will rely upon this certification, that:\n\n1.                 \nI have reviewed the annual report on Form 10-K for the fiscal year 20__, and all reports on Form 10-D and Form 8-K required to\nbe filed in respect of periods covered by that annual report on Form 10-K, of the Trust (the “Exchange\nAct Periodic Reports”);\n\n2.                 \nBased on my knowledge, the distribution information in Exchange Act Periodic Reports, taken as a whole, does not contain any untrue\nstatement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under\nwhich such statements were made, not misleading with respect to the period covered by that report on Form 10-K;\n\n3.                 \nBased on my knowledge, all of the distribution, servicing and other information required to be provided by the Certificate\nAdministrator pursuant to the Pooling and Servicing Agreement for inclusion in the Exchange Act Periodic Reports is included in\nsuch reports; and\n\n4.                 \nThe report on assessment of compliance with servicing criteria for asset-backed securities and the related attestation report on\nassessment of compliance with servicing criteria for asset-backed securities required to be delivered by the Certificate\nAdministrator in accordance with Section 10.09 and Section 10.10 of the Pooling and Servicing Agreement discloses all material\ninstances of noncompliance with the Relevant Servicing Criteria (as defined in the Pooling and Servicing Agreement).\n\nY-1-1\n\nIn giving the certifications\nabove, I have reasonably relied on information provided to me by the following unaffiliated parties: [list applicable transaction parties].\n\nDate:\n\n[ ]\n\nBy:\n\n[Name]\n\nY-1-2\n\n**EXHIBIT Y-2**\n\n**FORM OF CERTIFICATION TO BE PROVIDED TO DEPOSITOR\nBY THE MASTER SERVICER**\n\nRe:BMO 2026-5C15 Mortgage Trust (the “Trust”), Commercial Mortgage Pass-Through Certificates, Series 2026-5C15 (the “Certificates”),\nissued pursuant to the Pooling and Servicing Agreement, dated as of June 1, 2026 (the “Pooling and Servicing Agreement”),\nbetween BMO Commercial Mortgage Securities LLC, as depositor, Midland Loan Services, a Division of PNC Bank, National Association, as\nmaster servicer (in such capacity, the “Master Servicer”), 3650 REIT Loan Servicing LLC, as special servicer (in such\ncapacity, the “Special Servicer”), BellOak, LLC, as operating advisor and asset representations reviewer, and Computershare\nTrust Company, National Association, as certificate administrator (in such capacity, the “Certificate Administrator”) and\nas trustee\n \n\nI, [identify the certifying\nindividual], a [title] of [MASTER SERVICER], certify to BMO Commercial Mortgage Securities LLC, each Other Depositor and their respective\nofficers, directors and affiliates, and with the knowledge and intent that they will rely upon this certification in delivering the certification\nrequired by the Pooling and Servicing Agreement relating to the Certificates and/or the certification required by the applicable Other\nPooling and Servicing Agreement relating to the securities issued by the applicable Other Securitization Trust (capitalized terms used\nherein without definition shall have the meanings assigned to such terms in the Pooling and Servicing Agreement), that:\n\n(1)I have (or a Servicing Officer under my supervision has) reviewed the servicing reports covering the fiscal\nyear 20__ required to be delivered by the Master Servicer to the Certificate\nAdministrator and each applicable Other Exchange Act Reporting Party in accordance with the Pooling and Servicing Agreement;\n\n(2)Based on my knowledge, and assuming the accuracy of the statements required to be made in the corresponding\ncertificate of the Special Servicer (to the extent such statements are relevant to the statements made in this certification by the Master\nServicer), the servicing information in these reports, taken as a whole, does not contain any untrue statement of a material fact or omit\nto state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not\nmisleading with respect to the period covered by these servicing reports;\n\n(3)Based on my knowledge, and assuming the accuracy of the statements required to be made in the corresponding\ncertificate of the Special Servicer (to the extent such statements are relevant to the statements made in this certification by the Master\nServicer), the servicing information required to be provided in these servicing reports to the Certificate\nAdministrator and each applicable Other Exchange Act Reporting Party by the Master Servicer under the Pooling and Servicing Agreement\nis included in the servicing reports\n\nY-2-1\n\ndelivered by the Master Servicer to the\nCertificate Administrator and each applicable Other Exchange Act Reporting Party;\n\n(4)I am, or an employee under my supervision is, responsible for reviewing the activities performed by the\nMaster Servicer under the Pooling and Servicing Agreement and based upon my knowledge and the compliance review conducted in preparing\nthe servicer compliance statement required under Section 10.08 of the Pooling and Servicing Agreement with respect to the Master Servicer,\nand except as disclosed in such compliance statement delivered by the Master Servicer under Section 10.08 of the Pooling and Servicing\nAgreement, the Master Servicer has fulfilled its obligations under the Pooling and Servicing Agreement in all material respects in the\nyear to which such review applies; and\n\n(5)The report on assessment of compliance with servicing criteria for asset-backed securities and the related\nattestation report on assessment of compliance with servicing criteria for asset-backed securities required to be delivered in accordance\nwith Section 10.09 and Section 10.10 of the Pooling and Servicing Agreement discloses all material instances of noncompliance with the\nRelevant Servicing Criteria.\n\nFurther, notwithstanding\nthe foregoing certifications, the Master Servicer does not make any certification under the foregoing clauses 1 through 5 that is in turn\ndependent upon information required to be provided by any sub-servicer acting under a sub-servicing agreement that the Master Servicer\nentered into in connection with the issuance of the Certificates, or upon the performance by any such sub-servicer of its obligations\npursuant to any such sub-servicing agreement, in each case beyond the respective backup certifications actually provided by such sub-servicer\nto the Master Servicer with respect to the information that is subject of such certification.\n\nDate:\n\n[ ]\n\nBy:\n\n[Name]\n\nY-2-2\n\n**EXHIBIT Y-3**\n\n**FORM OF CERTIFICATION TO BE PROVIDED TO DEPOSITOR\nBY THE SPECIAL SERVICER**\n\nRe:BMO 2026-5C15 Mortgage Trust (the “Trust”), Commercial Mortgage Pass-Through Certificates, Series 2026-5C15 (the “Certificates”),\nissued pursuant to the Pooling and Servicing Agreement, dated as of June 1, 2026 (the “Pooling and Servicing Agreement”),\nbetween BMO Commercial Mortgage Securities LLC, as depositor, Midland Loan Services, a Division of PNC Bank, National Association, as\nmaster servicer (in such capacity, the “Master Servicer”), 3650 REIT Loan Servicing LLC, as special servicer (in such\ncapacity, the “Special Servicer”), BellOak, LLC, as operating advisor and asset representations reviewer, and Computershare\nTrust Company, National Association, as certificate administrator (in such capacity, the “Certificate Administrator”), and\nas trustee\n\nI, [identify the certifying\nindividual], a [title] of [SPECIAL SERVICER], certify to BMO Commercial Mortgage Securities LLC, each Other Depositor and their respective\nofficers, directors and affiliates, and with the knowledge and intent that they will rely upon this certification in delivering the certification\nrequired by the Pooling and Servicing Agreement relating to the Certificates and/or the certification required by the applicable Other\nPooling and Servicing Agreement relating to the securities issued by the applicable Other Securitization Trust (capitalized terms used\nherein without definition shall have the meanings assigned to such terms in the Pooling and Servicing Agreement), that:\n\n1.     \nBased on my knowledge, the servicing information in the servicing reports or information covering the fiscal year 20__ delivered\nby the Special Servicer to the Master Servicer under the Pooling and Servicing Agreement, taken as a whole, does not contain any untrue\nstatement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under\nwhich such statements were made, not misleading with respect to the period covered by these servicing reports;\n\n2.                 \nBased on my knowledge, the servicing information required to be provided to the Master Servicer by the Special Servicer under the\nPooling and Servicing Agreement for inclusion in the reports to be filed by the Certificate\nAdministrator is included in the servicing reports delivered by the Special Servicer to the Master Servicer;\n\n3.                 \nI am, or an employee under my supervision is, responsible for reviewing the activities performed by the Special Servicer under\nthe Pooling and Servicing Agreement and based upon my knowledge and the compliance review conducted in preparing the servicer compliance\nstatement required under Section 10.08 of the Pooling and Servicing Agreement with respect to the Special Servicer, and except as disclosed\nin such compliance statement delivered by the Special Servicer under Section 10.08 of the Pooling and Servicing Agreement, the Special\nServicer has fulfilled its obligations under the Pooling and Servicing Agreement in all material respects in the year to which such review\napplies; and\n\nY-3-1\n\n4.                 \nThe report on assessment of compliance with servicing criteria for asset-backed securities and the related attestation report\non assessment of compliance with servicing criteria for asset-backed securities required to be delivered in accordance with Section 10.09\nand Section 10.10 of the Pooling and Servicing Agreement discloses all material instances of noncompliance with the Relevant Servicing\nCriteria.\n\nDate:\n\n[ ]\n\nBy:\n\n[Name]\n\n[Title]\n\nY-3-2\n\n**EXHIBIT Y-4**\n\n**FORM OF CERTIFICATION TO BE PROVIDED TO DEPOSITOR\nBY THE OPERATING ADVISOR**\n\nRe:BMO 2026-5C15 Mortgage Trust (the “Trust”), Commercial Mortgage Pass-Through Certificates, Series 2026-5C15 (the “Certificates”),\nissued pursuant to the Pooling and Servicing Agreement, dated as of June 1, 2026 (the “Pooling and Servicing Agreement”),\nbetween BMO Commercial Mortgage Securities LLC, as depositor, Midland Loan Services, a Division of PNC Bank, National Association, as\nmaster servicer (in such capacity, the “Master Servicer”), 3650 REIT Loan Servicing LLC, as special servicer (in such\ncapacity, the “Special Servicer”), BellOak, LLC, as operating advisor and asset representations reviewer, and Computershare\nTrust Company, National Association, as certificate administrator (in such capacity, the “Certificate Administrator”) and\nas trustee\n\nI, [identify the certifying\nindividual], a [title] of [OPERATING ADVISOR], certify to BMO Commercial Mortgage Securities LLC and its officers, directors and affiliates,\nand with the knowledge and intent that they will rely upon this certification in delivering the Sarbanes-Oxley Certification required\nby Section 10.06 of the Pooling and Servicing Agreement relating to the Certificates (capitalized terms used herein without definition\nshall have the meanings assigned to such terms in the Pooling and Servicing Agreement), that:\n\n1.                 \nBased on my knowledge, the information required by the Pooling and Servicing Agreement to be provided to the Certificate\nAdministrator by the Operating Advisor covering the fiscal year 20__, taken as a whole, does not contain any untrue statement of\na material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such\nstatements were made, not misleading with respect to the period covered by these reports;\n\n2.                 \nBased on my knowledge, the information required to be provided to the Certificate\nAdministrator by the Operating Advisor under the Pooling and Servicing Agreement for inclusion in the Exchange Act reports to be\nfiled by the Certificate Administrator is included in the reports delivered\nby the Operating Advisor to the Certificate Administrator;\n\n3.                 \nI am, or an officer under my supervision is, responsible for reviewing the activities performed by the Operating Advisor under\nthe Pooling and Servicing Agreement and based upon my knowledge the Operating Advisor has, except as described in any information provided\nto the Certificate Administrator by the Operating Advisor covering the fiscal year 20[__], fulfilled its obligations under the Pooling\nand Servicing Agreement in all material respects in the year to which such review applies; and\n\n4.                 \nThe report on assessment of compliance with servicing criteria for asset-backed securities and the related attestation report on\nassessment of compliance with servicing criteria for asset-backed securities required to be delivered in accordance with Section 10.09\nand\n\nY-4-1\n\nSection 10.10 of the Pooling and Servicing\nAgreement discloses all material instances of noncompliance with the Relevant Servicing Criteria.\n\n[In giving the certifications\nabove, I have reasonably relied on information provided to me by the following unaffiliated parties: [list applicable transaction parties].]\n\nDate:\n\n[ ]\n\nBy:\n\n[Name]\n\n[Title]\n\nY-4-2\n\n**EXHIBIT Y-5**\n\n**FORM OF CERTIFICATION TO BE PROVIDED TO DEPOSITOR\nBY THE CUSTODIAN**\n\nRe:BMO 2026-5C15 Mortgage Trust (the “Trust”), Commercial Mortgage Pass-Through Certificates, Series 2026-5C15 (the “Certificates”),\nissued pursuant to the Pooling and Servicing Agreement, dated as of June 1, 2026 (the “Pooling and Servicing Agreement”),\nbetween BMO Commercial Mortgage Securities LLC, as depositor, Midland Loan Services, a Division of PNC Bank, National Association, as\nmaster servicer, 3650 REIT Loan Servicing LLC, as special servicer, BellOak, LLC, as operating advisor and as asset representations reviewer,\nand Computershare Trust Company, National Association, as certificate administrator (in such capacity, the “Certificate Administrator”),\nas custodian (in such capacity, the “Custodian”) and as trustee (in such capacity, the “Trustee”)\n\nI, [identify the certifying\nindividual], a [title] of [CUSTODIAN], certify to BMO Commercial Mortgage Securities LLC, each Other Depositor and their respective officers,\ndirectors and affiliates, and with the knowledge and intent that they will rely upon this certification in delivering the Sarbanes-Oxley\nCertification required by Section 10.06 of the Pooling and Servicing Agreement relating to the Certificates and/or the Sarbanes-Oxley\nAct certification required by the applicable Other Pooling and Servicing Agreement relating to the securities issued by the applicable\nOther Securitization Trust (capitalized terms used herein without definition shall have the meanings assigned to such terms in the Pooling\nand Servicing Agreement), that:\n\n1.                 \nBased on my knowledge, the information required by the Pooling and Servicing Agreement to be provided to the Certificate\nAdministrator and each applicable Other Exchange Act Reporting Party by the Custodian covering the fiscal year 20__, taken as a\nwhole, does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made,\nin light of the circumstances under which such statements were made, not misleading with respect to the period covered by these reports;\n\n2.                 \nBased on my knowledge, the information required to be provided to the Certificate\nAdministrator by the Custodian under the Pooling and Servicing Agreement for inclusion in the Exchange Act reports to be filed\nby the Certificate Administrator is included in the reports delivered\nby the Custodian to the Certificate Administrator;\n\n3.                 \nI am, or an officer under my supervision is, responsible for reviewing the activities performed by the Custodian under the Pooling\nand Servicing Agreement and based upon my knowledge the Custodian has, except as described in any information provided to the Certificate\nAdministrator by the Custodian covering the fiscal year 20[__], fulfilled its obligations under the Pooling and Servicing Agreement in\nall material respects in the year to which such review applies; and\n\nY-5-1\n\n4.                 \nThe report on assessment of compliance with servicing criteria for asset-backed securities and the related attestation report\non assessment of compliance with servicing criteria for asset-backed securities required to be delivered in accordance with Section 10.09\nand Section 10.10 of the Pooling and Servicing Agreement discloses all material instances of noncompliance with the Relevant Servicing\nCriteria.\n\nIn giving the certifications\nabove, I have reasonably relied on information provided to me by the following unaffiliated parties: [list applicable transaction parties].\n\nDate:\n\n[ ]\n\nBy:\n\n[Name]\n\n[Title]\n\nY-5-2\n\n**EXHIBIT Y-6**\n\n**FORM OF CERTIFICATION TO BE PROVIDED TO DEPOSITOR\nBY THE TRUSTEE**\n\nRe:BMO 2026-5C15 Mortgage Trust (the “Trust”), Commercial Mortgage Pass-Through Certificates, Series 2026-5C15 (the “Certificates”),\nissued pursuant to the Pooling and Servicing Agreement, dated as of June 1, 2026 (the “Pooling and Servicing Agreement”),\nbetween BMO Commercial Mortgage Securities LLC, as depositor, Midland Loan Services, a Division of PNC Bank, National Association, as\nmaster servicer, 3650 REIT Loan Servicing LLC, as special servicer, BellOak, LLC, as operating advisor and as asset representations reviewer,\nand Computershare Trust Company, National Association, as certificate administrator (in such capacity, the “Certificate Administrator”)\nand as trustee (in such capacity, the “Trustee”)\n\nI, [identify the certifying\nindividual], a [title] of [TRUSTEE], certify to BMO Commercial Mortgage Securities LLC, each Other Depositor and their respective officers,\ndirectors and affiliates, and with the knowledge and intent that they will rely upon this certification in delivering the Sarbanes-Oxley\nCertification required by Section 10.06 of the Pooling and Servicing Agreement relating to the Certificates and/or the Sarbanes-Oxley\nAct certification required by the applicable Other Pooling and Servicing Agreement relating to the securities issued by the applicable\nOther Securitization Trust (capitalized terms used herein without definition shall have the meanings assigned to such terms in the Pooling\nand Servicing Agreement), that:\n\n1.                 \nBased on my knowledge, the information required by the Pooling and Servicing Agreement to be provided to the Certificate\nAdministrator and each applicable Other Exchange Act Reporting Party by the Trustee covering the fiscal year 20__, taken as a whole,\ndoes not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light\nof the circumstances under which such statements were made, not misleading with respect to the period covered by these reports;\n\n2.                 \nBased on my knowledge, the information required to be provided to the Certificate\nAdministrator by the Trustee under the Pooling and Servicing Agreement for inclusion in the Exchange Act reports to be filed by\nthe Certificate Administrator is included in the reports delivered by\nthe Trustee to the Certificate Administrator;\n\n3.                 \nI am, or an officer under my supervision is, responsible for reviewing the activities performed by the Trustee under the Pooling\nand Servicing Agreement and based upon my knowledge the Trustee has, except as described in any information provided to the Certificate\nAdministrator by the Trustee covering the fiscal year 20[__], fulfilled its obligations under the Pooling and Servicing Agreement in all\nmaterial respects in the year to which such review applies; and\n\nY-6-1\n\n4.                 \nThe report on assessment of compliance with servicing criteria for asset-backed securities and the related attestation report\non assessment of compliance with servicing criteria for asset-backed securities required to be delivered in accordance with Section 10.09\nand Section 10.10 of the Pooling and Servicing Agreement discloses all material instances of noncompliance with the Relevant Servicing\nCriteria.\n\nIn giving the certifications\nabove, I have reasonably relied on information provided to me by the following unaffiliated parties: [list applicable transaction parties].\n\nDate:\n\n[ ]\n\nBy:\n\n[Name]\n\n[Title]\n\nY-6-2\n\n**EXHIBIT Y-7**\n\n**FORM OF CERTIFICATION TO BE PROVIDED TO DEPOSITOR\nBY THE ASSET REPRESENTATIONS REVIEWER**\n\nRe:BMO 2026-5C15 Mortgage Trust (the “Trust”), Commercial Mortgage Pass-Through Certificates, Series 2026-5C15 (the “Certificates”),\nissued pursuant to the Pooling and Servicing Agreement, dated as of June 1, 2026 (the “Pooling and Servicing Agreement”),\nbetween BMO Commercial Mortgage Securities LLC, as depositor, Midland Loan Services, a Division of PNC Bank, National Association, as\nmaster servicer (in such capacity, the “Master Servicer”), 3650 REIT Loan Servicing LLC, as special servicer (in such\ncapacity, the “Special Servicer”), BellOak, LLC, as operating advisor and as asset representations reviewer (in such\ncapacity, the “Asset Representations Reviewer”), and Computershare Trust Company, National Association, as certificate\nadministrator (in such capacity, the “Certificate Administrator”) and as trustee (in such capacity, the “Trustee”)_\n\nI, [identify the certifying\nindividual], a [title] of [ASSET REPRESENTATIONS REVIEWER], certify to BMO Commercial Mortgage Securities LLC and its officers, directors\nand affiliates, and with the knowledge and intent that they will rely upon this certification in delivering the Sarbanes-Oxley Certification\nrequired by Section 10.06 of the Pooling and Servicing Agreement relating to the Certificates (capitalized terms used herein without\ndefinition shall have the meanings assigned to such terms in the Pooling and Servicing Agreement), that:\n\n1.                 \nBased on my knowledge, with respect to the period ending [December 31, 20__] (the “Relevant Period”), all\ninformation required to be submitted by the Asset Representations Reviewer to the Master Servicer, the Depositor, Trustee or Certificate\nAdministrator, as applicable, pursuant to the Pooling and Servicing Agreement for inclusion in the annual report on Form 10-K\nfor the Relevant Period and inclusion in all reports on Form 10-D or Form 8-K (the “Reports”) (such information\nprovided by the Asset Representations Reviewer, collectively, the “Asset Representations Reviewer Periodic Information”)\nhave been submitted by the Asset Representations Reviewer to the Master Servicer, the Depositor, the Trustee or the Certificate Administrator,\nas applicable, for inclusion in the Reports;\n\n2.                 \nBased on my knowledge, the Asset Representations Reviewer Periodic Information contained in the Reports, taken as a whole, does\nnot contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of\nthe circumstances under which such statements were made, not misleading with respect to the period covered by the Form 10-K;\n\n3.                 \nI am, or an officer under my supervision is, responsible for reviewing the activities performed by the Asset Representations Reviewer\nunder the Pooling and Servicing Agreement and based upon my knowledge the Asset Representations Reviewer has, except as described in any\ninformation provided to the Certificate Administrator by the Asset\n\nY-7-1\n\nRepresentations Reviewer covering the fiscal\nyear 20[__], fulfilled its obligations under the Pooling and Servicing Agreement in all material respects in the year to which such review\napplies; and\n\n[In giving the certifications\nabove, I have reasonably relied on information provided to me by the following unaffiliated parties: [list applicable transaction parties].]\n\nDate:\n\n[ ]\n\nBy:\n\n[Name]\n\n[Title]\n\nY-7-2\n\n**EXHIBIT Y-8\n\nFORM OF CERTIFICATION TO BE PROVIDED TO DEPOSITOR\nBY A SUB-SERVICER**\n\nRe:BMO 2026-5C15 Mortgage\nTrust (the “Trust”), Commercial Mortgage Pass-Through Certificates, Series\n2026-5C15 (the “Certificates”), issued pursuant to the Pooling and Servicing\nAgreement, dated as of June 1, 2026 (the “Pooling and Servicing Agreement”),\nbetween BMO Commercial Mortgage Securities LLC, as depositor, Midland Loan Services, a Division\nof PNC Bank, National Association, as master servicer (in such capacity, the “Master\nServicer”), 3650 REIT Loan Servicing LLC, as special servicer (in such capacity,\nthe “Special Servicer”), BellOak, LLC, as operating advisor and as asset\nrepresentations reviewer, and Computershare Trust Company, National Association, as certificate\nadministrator (in such capacity, the “Certificate Administrator”) and\nas trustee\n\nand\n\nSub-servicing agreement, dated as of [______], 20__ (the “Sub-Servicing Agreement”)\nbetween [_____________] and [SUB-SERVICER], as sub-servicer (the “Sub-Servicer”)\n\nI, [identify the certifying\nindividual], a [title] of [SUB-SERVICER], certify to BMO Commercial Mortgage Securities LLC, each Other Depositor and their respective\nofficers, directors and affiliates, and with the knowledge and intent that they will rely upon this certification in delivering the certification\nrequired by the Pooling and Servicing Agreement relating to the Certificates and/or the certification required by the applicable Other\nPooling and Servicing Agreement relating to the securities issued by the applicable Other Securitization Trust (capitalized terms used\nherein without definition shall have the meanings assigned to such terms in the Pooling and Servicing Agreement), that:\n\n(1)I have (or a Servicing Officer under my supervision has) reviewed the servicing reports submitted by the\nSub-Servicer to the Master Servicer and/or the Certificate Administrator and/or each applicable Other Exchange Act Reporting Party pursuant\nto the Sub-Servicing Agreement (the “Sub-Servicer Reports”) for inclusion in the annual report on Form 10-K or any\nreport on Form 10-D with respect to the Trust covering the fiscal year 20__ ;\n\n(2)Based on my knowledge, and assuming the accuracy of the statements required to be made in the corresponding\ncertificate of the Special Servicer (to the extent such statements are relevant to the statements made in this certification by the Sub-Servicer),\nthe servicing information in the Sub-Servicer Reports, taken as a whole, does not contain any untrue statement of a material fact or omit\nto state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not\nmisleading with respect to the period covered by the Sub-Servicer Reports;\n\nY-8-1\n\n(3)Based on my knowledge, and assuming the accuracy of the statements required to be made in the corresponding\ncertificate of the Special Servicer (to the extent such statements are relevant to the statements made in this certification by the Sub-Servicer),\nthe servicing information required to be provided in the Sub-Servicer Reports to the Master Servicer, the Certificate\nAdministrator and/or each applicable Other Exchange Act Reporting Party by the Sub-Servicer under the Sub-Servicing Agreement is\nincluded in the Sub-Servicer Reports delivered by the Sub-Servicer to the Master Servicer, the Certificate\nAdministrator and/or each applicable Other Exchange Act Reporting Party;\n\n(4)I am, or an employee under my supervision is, responsible for reviewing the activities performed by the\nSub-Servicer under the Sub-Servicing Agreement and based upon my knowledge and the compliance review conducted in preparing the servicer\ncompliance statement required under Section 10.08 of the Pooling and Servicing Agreement with respect to the Sub-Servicer, and except\nas disclosed in such compliance statement delivered by the Sub-Servicer under Section 10.08 of the Pooling and Servicing Agreement, the\nSub-Servicer has fulfilled its obligations under the Sub-Servicing Agreement in all material respects in the year to which such review\napplies; and\n\n(5)The report on assessment of compliance with servicing criteria for asset-backed securities and the related\nattestation report on assessment of compliance with servicing criteria for asset-backed securities required to be delivered in accordance\nwith Section 10.09 and Section 10.10 of the Pooling and Servicing Agreement discloses all material instances of noncompliance with the\nRelevant Servicing Criteria.\n\nDate:\n\n[ ]\n\nBy:\n\n[Name]\n\nY-8-2\n\n**EXHIBIT Y-9**\n\n**FORM OF CERTIFICATION TO BE PROVIDED TO DEPOSITOR\nBY THE BACK-UP ADVANCING AGENT**\n\nRe:BMO 2026-5C15 Mortgage Trust (the “Trust”), Commercial Mortgage Pass-Through Certificates, Series 2026-5C15 (the “Certificates”),\nissued pursuant to the Pooling and Servicing Agreement, dated as of June 1, 2026 (the “Pooling and Servicing Agreement”),\nbetween BMO Commercial Mortgage Securities LLC, as depositor, Midland Loan Services, a Division of PNC Bank, National Association, as\nmaster servicer, 3650 REIT Loan Servicing LLC, as special servicer, BellOak, LLC, as operating advisor and as asset representations reviewer,\nand Computershare Trust Company, National Association, as certificate administrator (in such capacity, the “Certificate Administrator”),\nback-up advancing agent (in such capacity, the “Back-Up Advancing Agent”), and as trustee.\n\nI, [identify the certifying\nindividual], a [title] of [BACK-UP ADVANCING AGENT], certify to BMO Commercial Mortgage Securities LLC, each Other Depositor and their\nrespective officers, directors and affiliates, and with the knowledge and intent that they will rely upon this certification in delivering\nthe Sarbanes-Oxley Certification required by Section 10.06 of the Pooling and Servicing Agreement relating to the Certificates and/or\nthe Sarbanes-Oxley Act certification required by the applicable Other Pooling and Servicing Agreement relating to the securities issued\nby the applicable Other Securitization Trust (capitalized terms used herein without definition shall have the meanings assigned to such\nterms in the Pooling and Servicing Agreement), that:\n\n1.                 \nBased on my knowledge, the information required by the Pooling and Servicing Agreement to be provided to the Certificate Administrator\nand each applicable Other Exchange Act Reporting Party by the Back-Up Advancing Agent covering the fiscal year 20__, taken as a whole,\ndoes not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light\nof the circumstances under which such statements were made, not misleading with respect to the period covered by these reports;\n\n2.                 \nBased on my knowledge, the information required to be provided to the Certificate Administrator by the Back-Up Advancing Agent\nunder the Pooling and Servicing Agreement for inclusion in the Exchange Act reports to be filed by the Certificate Administrator is included\nin the reports delivered by the Back-Up Advancing Agent to the Certificate Administrator;\n\n3.                 \nI am, or an officer under my supervision is, responsible for reviewing the activities performed by the Back-Up Advancing Agent\nunder the Pooling and Servicing Agreement and based upon my knowledge the Back-Up Advancing Agent has, except as described in any information\nprovided to the Certificate Administrator by the Back-Up Advancing Agent\n\nY-9-1\n\ncovering the fiscal year 20[__], fulfilled\nits obligations under the Pooling and Servicing Agreement in all material respects in the year to which such review applies; and\n\n4.                 \nThe report on assessment of compliance with servicing criteria for asset-backed securities and the related attestation report on\nassessment of compliance with servicing criteria for asset-backed securities required to be delivered in accordance with Section 10.09\nand Section 10.10 of the Pooling and Servicing Agreement discloses all material instances of noncompliance with the Relevant Servicing\nCriteria.\n\nIn giving the certifications\nabove, I have reasonably relied on information provided to me by the following unaffiliated parties: [list applicable transaction parties].\n\nDate:\n\n[ ]\n\nBy:\n\n[Name]\n\n[Title]\n\nY-9-2\n\n**EXHIBIT Z**\n\n**FORM 8-K DISCLOSURE INFORMATION**\n\n \n\nThe\nparties identified in the “Party Responsible” column (with each Servicing Function Participant deemed to be responsible for\nthe following items for which the party that retained such Servicing Function Participant is responsible) are obligated pursuant to Section\n10.07 of the Pooling and Servicing Agreement to disclose to the Depositor, the Certificate Administrator, each Other Depositor and Other\nExchange Act Reporting Party to which such Form 8-K Disclosure Information is relevant for Exchange Act reporting purposes, the\noccurrence of any event described in the corresponding Form 8-K Item described in the “Item on Form 8-K” column to the extent\nsuch party has actual knowledge (after complying with its affirmative obligations,\nif any, under the Pooling and Servicing Agreement to obtain such information) of such information (other than information as to such party\nitself which such party is obligated to provide). Each of the Certificate Administrator, the Trustee, the Master Servicer and the Special\nServicer shall be entitled to rely on the accuracy of the Prospectus (other than information with respect to itself that is set forth\nin or omitted from the Prospectus), in the absence of specific written notice to the contrary from the Depositor or Mortgage Loan Sellers.\nEach of the Certificate Administrator, the Trustee, the Master Servicer and the Special Servicer (in its capacity as such) shall be entitled\nto conclusively assume that there is no “significant obligor” other than a party identified as such in the Prospectus. For\nthis BMO 2026-5C15 Mortgage Trust Pooling and Servicing Agreement, each of the Certificate Administrator, the Trustee, the Master Servicer\nand the Special Servicer (in its capacity as such) shall be entitled to assume that there is no provider of credit enhancement, liquidity\nor derivative instruments within the meaning of Items 1114 or 1115 of Regulation AB other than a party identified as such in the Prospectus.\n\n \n\n**Item\non Form 8-K**\n**Party\nResponsible**"}