**UNITED STATESSECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**FORM 10-K**

(Mark One)

**x****  ANNUAL REPORT PURSUANT TO SECTION13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934**

**For the fiscal year ended December 31, 2023or**

**o**** ****TRANSITIONREPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934**

**For the transition period from _____ to _____Commission file number of the issuing entity: 333-207340-06**

**Central Index Key Number of the issuing entity:0001720748**

**CCUBS Commercial Mortgage Trust2017-C1**

**(exact name of the issuing entity as specified in itscharter)**

** **

**Central Index Key Number of the depositor: 0001532799**

**UBS Commercial MortgageSecuritization Corp.**

**(exact name of the depositor as specified in itscharter)**

** **

**Central Index Key Number of the sponsor: 0001685185**

**UBS AG, acting through its branchlocated at 1285 Avenue of the Americas, New York, New York**

**(exact name of the sponsor as specified in its charter)**

** **

**Central Index Key Number of the sponsor: 0001558761**

**Cantor Commercial Real EstateLending, L.P.**

**(exact name of the sponsor as specified in its charter)**

** **

**Central Index Key Number of the sponsor: 0001701238**

**Citi Real Estate Funding Inc.**

**(exact name of the sponsor as specified in its charter)**

** **

| **New York****(State or other jurisdiction of  incorporation or organization of**

**the issuing entity)** | **38-4052506**

**38-4052507**

**(I.R.S. Employer**

**Identification Numbers)** |
|------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------|

**c/o Computershare Trust Company, National Association, as agent for**

**Wells Fargo Bank, National Association**

**as Certificate Administrator**

**9062 Old Annapolis Road**

**Columbia, MD**

**(Address of principalexecutive offices of the issuing entity)**

**21045**

**(Zip Code)**

**Registrant’s telephone number,including area code:**

**(212) 713-2000**

Securities registered pursuant to Section 12(b) of the Act:

| Title of each class | Trading Symbol(s) | Name of each exchange on which registered |
|---------------------|-------------------|-------------------------------------------|
| None                |              |                                      |

 

 

Securities registered pursuant to Section 12(g) of theAct:  None.

Indicate by check mark if the registrant is a well-knownseasoned issuer, as defined in Rule 405 of the Securities Act.  o Yes ⌧No

Indicate by check mark if the registrant is not required tofile reports pursuant to Section 13 or Section 15(d) of the Act.  o Yes ⌧No

Indicate by check mark whether the registrant (1) has filedall reports required to be filed by Section 13 or 15(d) of the SecuritiesExchange Act of 1934 during the preceding 12 months (or for such shorter periodthat the registrant was required to file such reports), and (2) has beensubject to such filing requirements for the past 90 days.  ⌧ Yes oNo

Indicate by check mark whether the registrant has submittedelectronically every Interactive Data File required to be submitted pursuant toRule 405 of Regulation S-T (Section 232.405 of this chapter) during thepreceding 12 months (or for such shorter period that the registrant wasrequired to submit such files).

Not applicable.

Indicate by check mark whether the registrant is a largeaccelerated filer, an accelerated filer, a non-accelerated filer, a smallerreporting company, or an emerging growth company. See the definitions of “largeaccelerated filer,” “accelerated filer,” “smaller reporting company,” and“emerging growth company” in Rule 12b-2 of the Exchange Act.

Large acceleratedfiler        o                                                                                                       Accelerated filer                                     o

Non-acceleratedfiler          ⌧                                                                                                      Smaller reportingcompany                    o

                                                                                                                                                       Emerging growthcompany                    o

If an emerging growth company, indicate by check mark if theregistrant has elected not to use the extended transition period for complyingwith any new or revised financial accounting standards provided pursuant toSection 13(a) of the Exchange Act.  o

Indicate by check mark whether the registrant has filed areport on and attestation to its management’s assessment of the effectivenessof its internal control over financial reporting under Section 404(b) of theSarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firmthat prepared or issued its audit report. o

If securities are registered pursuant to Section 12(b) of theAct, indicate by check mark whether the financial statements of the registrantincluded in the filing reflect the correction of an error to previously issuedfinancial statements. o

Indicate by check mark whether any of those error correctionsare restatements that required a recovery analysis of incentive-basedcompensation received by any of the registrant’s executive officers during therelevant recovery period pursuant to §240.10D-1(b). o

Indicate by check mark whether the registrant is a shellcompany (as defined in Rule 12b-2 of the Act).  o Yes ⌧ No

State the aggregate market value of the voting and non-votingcommon equity held by non-affiliates computed by reference to the price atwhich the common equity was last sold, or the average bid and asked price ofsuch common equity, as of the last business day of the registrant’s mostrecently completed second fiscal quarter.

Not applicable.

Indicate by check mark whether the registrant has filed alldocuments and reports required to be filed by Section 12, 13 or 15(d) of theSecurities Exchange Act of 1934 subsequent to the distribution of securitiesunder a plan confirmed by a court.  oYes oNo

Not applicable.

Indicate the number of shares outstanding of each of theregistrant’s classes of common stock, as of the latest practicable date.

Not applicable.

**DOCUMENTS INCORPORATED BY REFERENCE**

** **

List hereunder the following documents if incorporated byreference and the Part of the Form 10-K (e.g., Part I, Part II, etc.) intowhich the document is incorporated: (1) Any annual report to security holders;(2) Any proxy or information statement; and (3) Any prospectus filed pursuantto Rule 424(b) or (c) under the Securities Act of 1933. The listed documentsshould be clearly described for identification purposes (e.g., annual report tosecurity holders for fiscal year ended December 24, 1980).

Not applicable.

 

** **

**EXPLANATORY NOTES**

The Chelsea Multifamily Portfolio MortgageLoan, the 2U Headquarters Mortgage Loan, the Westin Crystal City Mortgage Loan,the Marriott Grand Cayman Mortgage Loan, the Hyatt Regency Princeton MortgageLoan and the At Home Portfolio Mortgage Loan, which constituted approximately5.0%, 4.9%, 3.4%, 3.4%, 2.6% and 1.5%, respectively, of the asset pool of theissuing entity as of its cut-off date, are each an asset of the issuing entityand are each part of a loan combination that includes (a) with respect to theChelsea Multifamily Portfolio Mortgage Loan, two other *pari passu* loans,which are not assets of the issuing entity, (b) with respect to the 2UHeadquarters Mortgage Loan, one other *pari passu* loan, which is not anasset of the issuing entity, (c) with respect to the Westin Crystal CityMortgage Loan, one other *pari passu* loan, which is not an asset of theissuing entity, (d) with respect to the Marriott Grand Cayman Mortgage Loan,two other *pari passu* loans, which are not assets of the issuing entity,(e) with respect to the Hyatt Regency Princeton Mortgage Loan, one other *paripassu* loan, which is not an asset of the issuing entity and (f) withrespect to the At Home Portfolio Mortgage Loan, three other *pari passu*loans, which are not assets of the issuing entity. These loan combinations,including the Chelsea Multifamily Portfolio Mortgage Loan, the 2U HeadquartersMortgage Loan, the Westin Crystal City Mortgage Loan, the Marriott Grand CaymanMortgage Loan, the Hyatt Regency Princeton Mortgage Loan and the At HomePortfolio Mortgage Loan, are being serviced and administered pursuant to thePooling and Servicing Agreement, which is incorporated by reference as Exhibit4.1 to this Annual Report on Form 10-K. 

The Exhibit Index describesexhibits provided by certain parties (in their capacities indicated on theExhibit Index) with respect to the General Motors Building Mortgage Loan, whichconstituted approximately 6.8% of the asset pool of the issuing entity as ofits cut-off date.  The General Motors Building Mortgage Loan is an assetof the issuing entity and is part of a loan combination that includes theGeneral Motors Building Mortgage Loan, thirty-two other *pari passu* loansand four subordinate companion loans, which are not assets of the issuingentity. A *pari passu* portion of the loan combination was securitized inthe BXP Trust 2017-GM transaction (the “BXP 2017-GM Transaction”). Thisloan combination, including the General Motors Building Mortgage Loan, is beingserviced and administered pursuant to the trust and servicing agreement for theBXP 2017-GM Transaction, which is incorporated by reference as Exhibit 4.2 tothis Annual Report on Form 10-K.

The Exhibit Index describesexhibits provided by certain parties (in their capacities indicated on the ExhibitIndex) with respect to the Manchester Financial Building Mortgage Loan, whichconstituted approximately 1.5% of the asset pool of the issuing entity as ofits cut-off date.  The Manchester Financial Building Mortgage Loan is anasset of the issuing entity and is part of a loan combination that includes theManchester Financial Building Mortgage Loan and one other *pari passu*loan, which is not an asset of the issuing entity. The other *pari passu*portion of the loan combination was securitized in the UBS Commercial MortgageTrust 2017-C5 transaction, Commission File Number 333-207340-05 (the “UBS2017-C5 Transaction”). This loan combination, including the ManchesterFinancial Building Mortgage Loan, is being serviced and administered pursuantto the pooling and servicing agreement for the UBS 2017-C5 Transaction, whichis incorporated by reference as Exhibit 4.3 to this Annual Report on Form 10-K.

The Exhibit Index describesexhibits provided by certain parties (in their capacities indicated on theExhibit Index) with respect to the GNL Portfolio Mortgage Loan, whichconstituted approximately 7.2% of the asset pool of the issuing entity as ofits cut-off date.  The GNL Portfolio Mortgage Loan is an asset of theissuing entity and is part of a loan combination that includes two other *paripassu* loans, which are not assets of the issuing entity. A *pari passu*portion of the loan combination was securitized in the CSAIL 2017-CX10Commercial Mortgage Trust transaction, Commission File Number 333-207361-07(the “CSAIL 2017-CX10 Transaction”). This loan combination, includingthe GNL Portfolio Mortgage Loan, is being serviced and administered pursuant tothe pooling and servicing agreement for the CSAIL 2017-CX10 Transaction, whichis incorporated by reference as Exhibit 4.4 to this Annual Report on Form 10-K.The Yorkshire & Lexington Towers Mortgage Loan, previously an asset of theissuing entity being serviced under the pooling and servicing agreement for theCSAIL 2017-CX10 Transaction, was not an asset of the issuing entity during thereporting period and is omitted from this Annual Report on Form 10-K and willbe omitted from subsequent Annual Reports on Form 10-K.

The Exhibit Index describesexhibits provided by certain parties (in their capacities indicated on theExhibit Index) with respect to the Bass Pro & Cabela's Portfolio MortgageLoan, which constituted approximately 3.6% of the asset pool of the issuingentity as of its cut-off date.  The Bass Pro & Cabela's PortfolioMortgage Loan is an asset of the issuing entity and is part of a loancombination that includes the Bass Pro & Cabela's Portfolio Mortgage Loanand nine other *pari passu* loans, which are not assets of the issuingentity. A *pari passu* portion of the loan combination was securitized inthe GS Mortgage Securities Trust 2017-GS8 transaction, Commission File Number333-207677-07 (the “GSMS 2017-GS8 Transaction”). This loan combination,including the Bass Pro & Cabela's Portfolio Mortgage Loan, is beingserviced and administered pursuant to the pooling and servicing agreement forthe GSMS 2017-GS8 Transaction, which is incorporated by reference as Exhibit4.5 to this Annual Report on Form 10-K.

The Exhibit Index describesexhibits provided by certain parties (in their capacities indicated on the ExhibitIndex) with respect to the Headquarters Plaza Mortgage Loan, which constitutedapproximately 3.6% of the asset pool of the issuing entity as of its cut-offdate.  The Headquarters Plaza Mortgage Loan is an asset of the issuingentity and is part of a loan combination that includes the Headquarters PlazaMortgage Loan and three other *pari passu* loans, which are not assets ofthe issuing entity. A *pari passu* portion of the loan combination wassecuritized in the CD 2017-CD6 Mortgage Trust transaction, Commission FileNumber 333-206705-11 (the “CD 2017-CD6 Transaction”). This loancombination, including the Headquarters Plaza Mortgage Loan, is being servicedand administered pursuant to the pooling and servicing agreement for the CD2017-CD6 Transaction, which is incorporated by reference as Exhibit 4.6 to thisAnnual Report on Form 10-K.

The Exhibit Index describesexhibits provided by certain parties (in their capacities indicated on theExhibit Index) with respect to the Harmon Corner Mortgage Loan, whichconstituted approximately 5.0% of the asset pool of the issuing entity as ofits cut-off date.  The Harmon Corner Mortgage Loan is an asset of theissuing entity and is part of a loan combination that includes the HarmonCorner Mortgage Loan and four other *pari passu* loans, which are notassets of the issuing entity. This loan combination, including the HarmonCorner Mortgage Loan, was serviced under the Pooling and Servicing Agreementfor the issuing entity prior to the closing of the securitization of a *paripassu* portion of the Harmon Corner loan combination in the UBS CommercialMortgage Trust 2017-C6 transaction, Commission File Number 333-207340-07 (the “UBS2017-C6 Transaction”).  After the closing of the UBS 2017-C6Transaction on December 13, 2017, this loan combination, including the HarmonCorner Mortgage Loan was, and will continue to be, serviced and administeredpursuant to the pooling and servicing agreement with respect to the UBS 2017-C6Transaction, which is incorporated by reference as Exhibit 4.7 to this AnnualReport on Form 10-K.

The Exhibit Index describesexhibits provided by certain parties (in their capacities indicated on theExhibit Index) with respect to the 16 Court Street Mortgage Loan, whichconstituted approximately 6.4% of the asset pool of the issuing entity as ofits cut-off date.  The 16 Court Street Mortgage Loan is an asset of theissuing entity and is part of a loan combination that includes the 16 CourtStreet Mortgage Loan and one other *pari passu* loan, which is not anasset of the issuing entity.This loan combination, including the 16 CourtStreet Mortgage Loan, was serviced under the Pooling and Servicing Agreementfor the issuing entity prior to the closing of the securitization of the other *paripassu* portion of the 16 Court Street loan combination in the Wells FargoCommercial Mortgage Trust 2017-C42 transaction, Commission File Number333-206677-21 (the “WFCM 2017-C42 Transaction”).  After the closingof the WFCM 2017-C42 Transaction on December 21, 2017, this loan combination,including the 16 Court Street Mortgage Loan was, and will continue to be,serviced and administered pursuant to the pooling and servicing agreement withrespect to the WFCM 2017-C42 Transaction, which is incorporated by reference asExhibit 4.8 to this Annual Report on Form 10-K.

The Exhibit Index describesexhibits provided by certain parties (in their capacities indicated on theExhibit Index) with respect to the National Office Portfolio Mortgage Loan,which constituted approximately 3.6% of the asset pool of the issuing entity asof its cut-off date.  The National Office Portfolio Mortgage Loan is anasset of the issuing entity and is part of a loan combination that includes theNational Office Portfolio Mortgage Loan and five other *pari passu* loans,which are not assets of the issuing entity. This loan combination, includingthe National Office Portfolio Mortgage Loan, was serviced under the pooling andservicing agreement for the UBS 2017-C5 Transaction prior to the closing of thesecuritization of a *pari passu* portion of the National Office Portfolioloan combination in the UBS Commercial Mortgage Trust 2017-C7 transaction,Commission File Number 333-207340-08 (the “UBS 2017-C7 Transaction”). After the closing of the UBS 2017-C7 Transaction on December 27, 2017, thisloan combination, including the National Office Portfolio Mortgage Loan was,and will continue to be, serviced and administered pursuant to the pooling andservicing agreement with respect to the UBS 2017-C7 Transaction, which isincorporated by reference as Exhibit 4.9 to this Annual Report on Form 10-K.

The master servicer of a poolingand servicing agreement or trust and servicing agreement also functions as theprimary servicer of the related mortgage loans serviced and administeredpursuant to such agreement unless a separate primary servicer is identifiedherein.  If this report does not identify a separate primary servicer, theservicer compliance statement provided by the master servicer under any suchagreement also encompasses its responsibilities as primary servicer of therelated mortgage loan or mortgage loans.

Midland Loan Services, a Divisionof PNC Bank, National Association is the master servicer and special servicerof the mortgage loans serviced under the Pooling and Servicing Agreement, theprimary servicer of the Manchester Financial Building Mortgage Loan and thespecial servicer of the Bass Pro & Cabela's Portfolio Mortgage Loan priorto May 10, 2023 and the Manchester Financial Building Mortgage Loan prior toMay 5, 2023. As a result, Midland Loan Services, a Division of PNC Bank,National Association is a “servicer” as defined in Item 1108(a)(2)(iii) ofRegulation AB, in the capacities described above, because it is servicingmortgage loans that constituted 10% or more of the assets of the issuing entityas of its cut-off date. The assessments of compliance with applicable servicingcriteria, accountants’ attestation reports and servicer compliance statementsdelivered by Midland Loan Services, a Division of PNC Bank, NationalAssociation in the capacities described above are listed in the Exhibit Index.

Wells Fargo Bank, NationalAssociation is the certificate administrator of the mortgage loans servicedunder the Pooling and Servicing Agreement and the primary servicer of theGeneral Motors Building Mortgage Loan, the 16 Court Street Mortgage Loan, theHeadquarters Plaza Mortgage Loan, the National Office Portfolio Mortgage Loanand the Bass Pro & Cabela's Portfolio Mortgage Loan. As a result, WellsFargo Bank, National Association is a “servicer” as defined in Item1108(a)(2)(iii) of Regulation AB, in the capacities described above, because itis servicing mortgage loans that constituted 10% or more of the assets of theissuing entity as of its cut-off date. The assessments of compliance withapplicable servicing criteria, accountants’ attestation reports and servicercompliance statements delivered by Wells Fargo Bank, National Association inthe capacities described above are listed in the Exhibit Index.

Wells Fargo Bank, NationalAssociation is the custodian of the mortgage loans serviced under the Poolingand Servicing Agreement, the GNL Portfolio Mortgage Loan, the General MotorsBuilding Mortgage Loan, the 16 Court Street Mortgage Loan, the Harmon CornerMortgage Loan, the Headquarters Plaza Mortgage Loan, the Bass Pro &Cabela's Portfolio Mortgage Loan, the National Office Portfolio Mortgage Loanand the Manchester Financial Building Mortgage Loan.  As a result, WellsFargo Bank, National Association is a servicing function participant in thecapacities described above, because it is servicing mortgage loans thatconstituted 5% or more of the assets of the issuing entity as of its cut-offdate. The assessments of compliance with applicable servicing criteria andaccountants’ attestation reports delivered by Wells Fargo Bank, NationalAssociation in the capacities described above are listed in the Exhibit Index.

Park Bridge Lender Services LLC isthe operating advisor of the mortgage loans serviced under the Pooling andServicing Agreement, the GNL Portfolio Mortgage Loan, the 16 Court StreetMortgage Loan, the Headquarters Plaza Mortgage Loan and the ManchesterFinancial Building Mortgage Loan.  As a result, Park Bridge LenderServices LLC is a servicing function participant in the capacities describedabove, because it is servicing mortgage loans that constituted 5% or more ofthe assets of the issuing entity as of its cut-off date. The assessments ofcompliance with applicable servicing criteria and accountants’ attestationreports delivered by Park Bridge Lender Services LLC in the capacitiesdescribed above are listed in the Exhibit Index.

K-Star Asset Management LLC is thespecial servicer of the Bass Pro & Cabela's Portfolio Mortgage Loan and theManchester Financial Building Mortgage Loan, which constituted approximately3.6% and 1.5%, respectively, of the asset pool of the issuing entity as of itscut-off date. In accordance with the Compliance and Disclosure Interpretations,Section 200.03 (Rules 13a-18 and 15d-18, Servicer’s Assessment of Compliance),this percentage must be reduced pro rata because it was only acting as specialservicer of the Bass Pro & Cabela's Portfolio Mortgage Loan from May 10,2023 to December 31, 2023 and as special servicer of the Manchester FinancialBuilding Mortgage Loan  from May 5, 2023 to December 31, 2023. As aresult, it falls below the de minimis requirements in Item 1122 of RegulationAB and no such assessment or attestation is required.

KeyBank National Association isthe primary servicer of the GNL Portfolio Mortgage Loan and the specialservicer of the National Office Portfolio Mortgage Loan. As a result, KeyBankNational Association is a “servicer” as defined in Item 1108(a)(2)(iii) ofRegulation AB, in the capacities described above, because it is servicingmortgage loans that constituted 10% or more of the assets of the issuing entityas of its cut-off date. The assessments of compliance with applicable servicingcriteria, accountants’ attestation reports and servicer compliance statementsdelivered by KeyBank National Association in the capacities described above arelisted in the Exhibit Index.

LNR Partners, LLC is the specialservicer of the 16 Court Street Mortgage Loan and the GNL Portfolio MortgageLoan. As a result, LNR Partners, LLC is a “servicer” as defined in Item1108(a)(2)(iii) of Regulation AB, in the capacities described above, because itis servicing mortgage loans that constituted 10% or more of the assets of theissuing entity as of its cut-off date. The assessments of compliance withapplicable servicing criteria, accountants’ attestation reports and servicercompliance statements delivered by LNR Partners, LLC in the capacitiesdescribed above are listed in the Exhibit Index.

Pentalpha Surveillance LLC is theoperating advisor of the Harmon Corner Mortgage Loan, the National OfficePortfolio Mortgage Loan and the Bass Pro & Cabela's Portfolio MortgageLoan.  As a result, Pentalpha Surveillance LLC is a servicing functionparticipant in the capacities described above, because it is servicing mortgageloans that constituted 5% or more of the assets of the issuing entity as of itscut-off date. The assessments of compliance with applicable servicing criteriaand accountants’ attestation reports delivered by Pentalpha Surveillance LLC inthe capacities described above are listed in the Exhibit Index.

Wells Fargo Bank, NationalAssociation acts as trustee of the Chelsea Multifamily Portfolio Mortgage Loan,the 2U Headquarters Mortgage Loan, the Marriott Grand Cayman Mortgage Loan, theWestin Crystal City Mortgage Loan, the Hyatt Regency Princeton Mortgage Loan,the At Home Portfolio Mortgage Loan, the Manchester Financial Building MortgageLoan and the GNL Portfolio Mortgage Loan.  Pursuant to the Pooling andServicing Agreement, the pooling and servicing agreement for the UBS 2017-C5Transaction and the pooling and servicing agreement for the CSAIL 2017-CX10Transaction, the trustee is required to provide an assessment of compliancewith applicable servicing criteria solely with respect to Item 1122(d)(2)(iii)of Regulation AB (regarding advances of funds or guarantees regarding collections,cash flows or distributions, and any interest or other fees charged for suchadvances, are made, reviewed and approved as specified in the transactionagreements). However, during the reporting period, the trustee did not performany servicing function with respect to the servicing criteria specified in Item1122(d)(2)(iii) of Regulation AB.  The master servicer or the specialservicer, to the extent required, performed the servicing function identifiedwith respect to Item 1122(d)(2)(iii) of Regulation AB, and each such partyincluded Item 1122(d)(2)(iii) of Regulation AB in the assessment of compliancewith applicable servicing criteria and accountant’s attestation report for thesubject transaction.  As a result, this Annual Report on Form 10-K doesnot include an assessment of compliance with applicable servicing criteria ofthe trustee. One or more other servicers of the Chelsea Multifamily PortfolioMortgage Loan, the 2U Headquarters Mortgage Loan, the Marriott Grand CaymanMortgage Loan, the Westin Crystal City Mortgage Loan, the Hyatt RegencyPrinceton Mortgage Loan, the At Home Portfolio Mortgage Loan, the ManchesterFinancial Building Mortgage Loan and the GNL Portfolio Mortgage Loan havedelivered one or more assessments of compliance with respect to Item1122(d)(2)(iii) of Regulation AB.

Wilmington Trust, NationalAssociation acts as trustee of the General Motors Building Mortgage Loan, theBass Pro & Cabela's Portfolio Mortgage Loan, the Headquarters PlazaMortgage Loan, the Harmon Corner Mortgage Loan, the 16 Court Street MortgageLoan and the National Office Portfolio Mortgage Loan.  Pursuant to thetrust and servicing agreement for the BXP 2017-GM Transaction, the pooling andservicing agreement for the GSMS 2017-GS8 Transaction, the pooling andservicing agreement for the CD 2017-CD6 Transaction, the pooling and servicingagreement for the UBS 2017-C6 Transaction, the pooling and servicing agreementfor the WFCM 2017-C42 Transaction and the pooling and servicing agreement forthe UBS 2017-C7 Transaction, the trustee is required to provide an assessmentof compliance with applicable servicing criteria solely with respect to Item1122(d)(2)(iii) of Regulation AB (regarding advances of funds or guaranteesregarding collections, cash flows or distributions, and any interest or otherfees charged for such advances, are made, reviewed and approved as specified inthe transaction agreements). However, during the reporting period, the trusteedid not perform any servicing function with respect to the servicing criteriaspecified in Item 1122(d)(2)(iii) of Regulation AB.  The master serviceror the special servicer, to the extent required, performed the servicingfunction identified with respect to Item 1122(d)(2)(iii) of Regulation AB, andeach such party included Item 1122(d)(2)(iii) of Regulation AB in theassessment of compliance with applicable servicing criteria and accountant’sattestation report for the subject transaction.  As a result, this AnnualReport on Form 10-K does not include an assessment of compliance withapplicable servicing criteria of the trustee. One or more other servicers ofthe General Motors Building Mortgage Loan, the Bass Pro & Cabela'sPortfolio Mortgage Loan, the Headquarters Plaza Mortgage Loan, the HarmonCorner Mortgage Loan, the 16 Court Street Mortgage Loan and the National OfficePortfolio Mortgage Loan have delivered one or more assessments of compliancewith respect to Item 1122(d)(2)(iii) of Regulation AB.

This Annual Report on Form 10-Kincludes assessments of compliance with applicable servicing criteria andaccountants’ attestation reports from CoreLogic Solutions, LLC.  Thisentity was engaged by the primary servicer of the General Motors BuildingMortgage Loan, the Bass Pro & Cabela's Portfolio Mortgage Loan, the HeadquartersPlaza Mortgage Loan, the 16 Court Street Mortgage Loan and the National OfficePortfolio Mortgage Loan to remit tax payments received from the escrow accountsof borrowers to local taxing authorities, to report tax amounts due, to verifytax parcel information, and to verify non-escrow tax payments. These servicingfunctions are included within the servicing criteria set forth in Items1122(d)(4)(xi) and 1122(d)(4)(xii) of Regulation AB.  Therefore, under theprinciples-based definition of “servicer” set forth in Item 1101(j) ofRegulation AB that looks to the functions that an entity performs, this vendoris a “servicer” for the purposes of Item 1122 of Regulation AB.  *See*Compliance and Disclosure Interpretations, Section 301.01 (Item 1101(j)).

This AnnualReport on Form 10-K includes an assessment of compliance with applicableservicing criteria, accountants’ attestation report and servicer compliancestatement from Computershare Trust Company, National Association (“CTCNA”). CTCNA was engaged by Wells Fargo Bank, National Association (“Wells Fargo”),in its capacity as certificate administrator and custodian, to perform certainspecified servicing functions identified in the assessment of compliance withapplicable servicing criteria and accountants’ attestation reports.  WellsFargo engaged CTCNA in connection with the sale of Wells Fargo’s corporatetrust services business to CTCNA and its affiliates.  Further, under theprinciples-based definition of “servicer” set forth in Item 1101(j) of RegulationAB that looks to the functions that an entity performs, this party is a“servicer” for the purposes of Item 1123 of Regulation AB.  *See*Compliance and Disclosure Interpretations, Section 301.01 (Item 1101(j)).

The assessments of compliance withapplicable servicing criteria, accountants’ attestation reports and servicercompliance statements of the certificate administrator of the General MotorsBuilding Mortgage Loan, the Manchester Financial Building Mortgage Loan, theBass Pro & Cabela's Portfolio Mortgage Loan, the Headquarters PlazaMortgage Loan, the GNL Portfolio Mortgage Loan, the Harmon Corner MortgageLoan, the 16 Court Street Mortgage Loan and the National Office PortfolioMortgage Loan are omitted from this Annual Report on Form 10-K as thecertificate administrator pursuant to the related pooling and servicingagreement or trust and servicing agreement does not perform any activities thataddress servicing criteria with respect to the issuing entity and because theyare each not a “servicer” that meets the criteria in Item 1108(a)(2)(i) through(iii) of Regulation AB.

With respect to the *pari passu*loan combinations that include the General Motors Building Mortgage Loan, theManchester Financial Building Mortgage Loan, the Bass Pro & Cabela'sPortfolio Mortgage Loan, the Headquarters Plaza Mortgage Loan and the HarmonCorner Mortgage Loan, (i) the report on assessment of compliance with servicingcriteria and attestation report on assessment of compliance with servicingcriteria of Argentic Services Company LP as special servicer of theHeadquarters Plaza Mortgage Loan, listed on the Exhibit Index are omitted fromthis Annual Report on Form 10-K as they are not required to be included on thisAnnual Report on Form 10-K per Instruction 3 to Item 1122 of Regulation ABbecause it is a party performing activities that address servicing criteriarelating to 5% or less of the assets of the issuing entity, and the report onassessment of compliance with servicing criteria and attestation report onassessment of compliance with servicing criteria of K-Star Asset Management LLCas special servicer of the Manchester Financial Building Mortgage Loan on andafter May 5, 2023 and the Bass Pro & Cabela's Portfolio Mortgage Loan onand after May 10, 2023 listed on the Exhibit Index are omitted from this AnnualReport on Form 10-K for the reasons set forth in the Explanatory Notes above;and (ii) the servicer compliance statements of Green Loan Services LLC asspecial servicer of the General Motors Building Mortgage Loan, K-Star Asset Management LLC as special servicer of theManchester Financial Building Mortgage Loan on and after May 5, 2023 and theBass Pro & Cabela's Portfolio Mortgage Loan on and after May 10, 2023,Argentic Services Company LP as special servicer of the Headquarters PlazaMortgage Loan and Rialto Capital Advisors, LLC as special servicer of theHarmon Corner Mortgage Loan, listed on the Exhibit Index are omitted from thisAnnual Report on Form 10-K as they are not required by Item 1123 of RegulationAB to be included on this Annual Report on Form 10-K because they are each anunaffiliated party that is not a “servicer” that meets the criteria in Item1108(a)(2)(i) through (iii) of Regulation AB.

**PART I**

**Item 1.  Business.**

Omitted.

**Item 1A.  Risk Factors.**

Omitted.

**Item 1B.  Unresolved Staff Comments.**

None.

**Item 1C.  Cybersecurity.**

Omitted.

**Item 2.  Properties.**

Omitted.

**Item 3.  Legal Proceedings.**

Omitted.

**Item 4.  Mine Safety Disclosures.**

Not applicable.

**PART II**

**Item 5.  Market for Registrant’s Common Equity,Related Stockholder Matters and Issuer Purchases of Equity Securities.**

Omitted.

**Item 6.  [Reserved]**

**Item 7.  Management’s Discussion and Analysis ofFinancial Condition and Results of Operations.**

Omitted.

**Item 7A.  Quantitative and Qualitative DisclosuresAbout Market Risk.**

Omitted.

**Item 8.  Financial Statements and Supplementary Data.**

Omitted.

**Item 9.  Changes in and Disagreements WithAccountants on Accounting and Financial Disclosure.**

Omitted.

**Item 9A.  Controls and Procedures.**

Omitted.

**Item 9B.  Other Information.**

None.

**Item 9C.  Disclosure Regarding Foreign Jurisdictionsthat Prevent Inspections.**

None.

**PART III**

**Item 10.  Directors, Executive Officers and CorporateGovernance.**

Omitted.

**Item 11.  Executive Compensation.**

Omitted.

**Item 12.  Security Ownership of Certain BeneficialOwners and Management and Related Stockholder Matters.**

Omitted.

**Item 13.  Certain Relationships and RelatedTransactions, and Director Independence.**

Omitted.

**Item 14.  Principal Accountant Fees and Services.**

Omitted.

**ADDITIONAL DISCLOSURE ITEMS FOR REGULATION AB**

**Item 1112(b) of Regulation AB, Significant ObligorFinancial Information.**

No single obligor represents 10% or more of the pool assetsheld by the issuing entity. 

 

**Item 1114(b)(2) of Regulation AB, Significant EnhancementProvider Financial Information.**

No entity or group of affiliated entities provides any external creditenhancement or other support for the certificates within this transaction asdescribed under Item 1114(a) of Regulation AB.

**Item 1115(b) of Regulation AB, Certain DerivativesInstruments (Financial Information).**

No entity or group of affiliated entities provides anyderivative instruments or other support for the certificates within thistransaction as described under Item 1115 of Regulation AB.

**Item 1117 of Regulation AB, Legal Proceedings.**

The registrant knows of no material pending legal proceedinginvolving the trust or any party related to the trust, other than routinelitigation incidental to the duties of those respective parties, and thefollowing, with respect to Wells Fargo Bank, National Association, ascertificate administrator, as trustee and as custodian. 

In December 2014, Phoenix Light SF Limited (Phoenix Light)and certain related entities filed a complaint in the United States DistrictCourt for the Southern District of New York alleging claims against Wells FargoBank, N.A., in its capacity as trustee for a number of residentialmortgage-backed securities (RMBS) trusts. Complaints raising similarallegations have been filed by Commerzbank AG in the Southern District of NewYork, IKB International and IKB Deutsche Industriebank (together, IKB) in NewYork state court, and Park Royal I LLC and Park Royal II LLC in New York statecourt. In each case, the plaintiffs allege that Wells Fargo Bank, N.A., astrustee, caused losses to investors, and plaintiffs assert causes of actionbased upon, among other things, the trustee’s alleged failure to notify andenforce repurchase obligations of mortgage loan sellers for purported breachesof representations and warranties, notify investors of alleged events ofdefault, and abide by appropriate standards of care following alleged events ofdefault. In July 2022, the district court dismissed Phoenix Light’s claims andcertain of the claims asserted by Commerzbank AG, and subsequently enteredjudgment in each case in favor of Wells Fargo Bank, N.A. In August 2022,Phoenix Light and Commerzbank AG each appealed the district court’s decision tothe United States Court of Appeals for the Second Circuit. Phoenix Lightdismissed its appeal in May 2023, terminating its case. In November 2023, WellsFargo Bank, N.A. entered into an agreement with IKB to resolve IKB’s claims.Wells Fargo Bank, N.A. previously settled two class actions filed byinstitutional investors and an action filed by the National Credit UnionAdministration with similar allegations.

**Item 1119 of Regulation AB, Affiliations and CertainRelationships and Related Transactions.**

The information regarding this Item has been previouslyprovided in the prospectus of the Registrant relating to the issuing entityfiled on November 30, 2017 pursuant to Rule 424(b)(2).

**Item 1122 of Regulation AB, Compliance with ApplicableServicing Criteria.**

The reports on assessments of compliance with the servicingcriteria for asset-backed securities and related attestation reports on suchassessments of compliance with respect to the mortgage loans are attachedhereto under Item 15 to this Annual Report on Form 10-K. Attached as ExhibitZ  to the Pooling and Servicing Agreement incorporated by reference asExhibit 4.1 to this Annual Report on Form 10-K is a chart identifying theentities participating in a servicing function for the transaction responsiblefor each applicable servicing criteria set forth in Item 1122(d).

The reports on assessments of compliance with the servicingcriteria for asset-backed securities and related attestation reports on suchassessments of compliance with respect to the General Motors Building MortgageLoan, which is being serviced and administered pursuant to the trust andservicing agreement for the BXP 2017-GM Transaction, are attached hereto underItem 15 to this Annual Report on Form 10-K. Attached as Exhibit L to the trustand servicing agreement for the BXP 2017-GM Transaction incorporated byreference as Exhibit 4.2 to this Annual Report on Form 10-K is a chartidentifying the entities participating in a servicing function for the BXP2017-GM Transaction responsible for each applicable servicing criteria setforth in Item 1122(d).

The reports on assessments of compliance with the servicingcriteria for asset-backed securities and related attestation reports on suchassessments of compliance with respect to the Manchester Financial BuildingMortgage Loan, which is being serviced and administered pursuant to the poolingand servicing agreement for the UBS 2017-C5 Transaction, are attached heretounder Item 15 to this Annual Report on Form 10-K. Attached as Exhibit Z to thepooling and servicing agreement for the UBS 2017-C5 Transaction incorporated byreference as Exhibit 4.3 to this Annual Report on Form 10-K is a chartidentifying the entities participating in a servicing function for the UBS2017-C5 Transaction responsible for each applicable servicing criteria setforth in Item 1122(d).

The reports on assessments of compliance with the servicingcriteria for asset-backed securities and related attestation reports on suchassessments of compliance with respect to the GNL Portfolio Mortgage Loan,which is being serviced and administered pursuant to the pooling and servicingagreement for the CSAIL 2017-CX10 Transaction, are attached hereto under Item15 to this Annual Report on Form 10-K. Attached as Exhibit AA to the poolingand servicing agreement for the CSAIL 2017-CX10 Transaction incorporated byreference as Exhibit 4.4 to this Annual Report on Form 10-K is a chartidentifying the entities participating in a servicing function for the CSAIL2017-CX10 Transaction responsible for each applicable servicing criteria setforth in Item 1122(d).

The reports on assessments of compliance with the servicingcriteria for asset-backed securities and related attestation reports on suchassessments of compliance with respect to the Bass Pro & Cabela's PortfolioMortgage Loan, which is being serviced and administered pursuant to the poolingand servicing agreement for the GSMS 2017-GS8 Transaction, are attached heretounder Item 15 to this Annual Report on Form 10-K. Attached as Exhibit AA to thepooling and servicing agreement for the GSMS 2017-GS8 Transaction incorporatedby reference as Exhibit 4.5 to this Annual Report on Form 10-K is a chartidentifying the entities participating in a servicing function for the GSMS2017-GS8 Transaction responsible for each applicable servicing criteria setforth in Item 1122(d).

The reports on assessments of compliance with the servicingcriteria for asset-backed securities and related attestation reports on suchassessments of compliance with respect to the Headquarters Plaza Mortgage Loan,which is being serviced and administered pursuant to the pooling and servicingagreement for the CD 2017-CD6 Transaction, are attached hereto under Item 15 tothis Annual Report on Form 10-K. Attached as Schedule II to the pooling andservicing agreement for the CD 2017-CD6 Transaction incorporated by referenceas Exhibit 4.6 to this Annual Report on Form 10-K is a chart identifying theentities participating in a servicing function for the CD 2017-CD6 Transactionresponsible for each applicable servicing criteria set forth in Item 1122(d).

The reports on assessments of compliance with the servicingcriteria for asset-backed securities and related attestation reports on suchassessments of compliance with respect to the Harmon Corner Mortgage Loan,which is being serviced and administered pursuant to the pooling and servicingagreement for the UBS 2017-C6 Transaction, are attached hereto under Item 15 tothis Annual Report on Form 10-K. Attached as Exhibit Z to the pooling andservicing agreement for the UBS 2017-C6 Transaction incorporated by referenceas Exhibit 4.7 to this Annual Report on Form 10-K is a chart identifying theentities participating in a servicing function for the UBS 2017-C6 Transactionresponsible for each applicable servicing criteria set forth in Item 1122(d).

The reports on assessments of compliance with the servicingcriteria for asset-backed securities and related attestation reports on suchassessments of compliance with respect to the 16 Court Street Mortgage Loan,which is being serviced and administered pursuant to the pooling and servicingagreement for the WFCM 2017-C42 Transaction, are attached hereto under Item 15to this Annual Report on Form 10-K. Attached as Exhibit AA to the pooling andservicing agreement for the WFCM 2017-C42 Transaction incorporated by referenceas Exhibit 4.8 to this Annual Report on Form 10-K is a chart identifying theentities participating in a servicing function for the WFCM 2017-C42Transaction responsible for each applicable servicing criteria set forth inItem 1122(d).

The reports on assessments of compliance with the servicingcriteria for asset-backed securities and related attestation reports on suchassessments of compliance with respect to the National Office PortfolioMortgage Loan, which is being serviced and administered pursuant to the poolingand servicing agreement for the UBS 2017-C7 Transaction, are attached hereto underItem 15 to this Annual Report on Form 10-K. Attached as Exhibit Z to thepooling and servicing agreement for the UBS 2017-C7 Transaction incorporated byreference as Exhibit 4.9 to this Annual Report on Form 10-K is a chartidentifying the entities participating in a servicing function for the UBS2017-C7 Transaction responsible for each applicable servicing criteria setforth in Item 1122(d).

**Item 1123 of Regulation AB, Servicer Compliance Statement.**

The servicer compliance statements are attached as Exhibitsto this Annual Report on Form 10-K.

**PART IV**

**Item 15. Exhibit and Financial Statement Schedules**

(a) The following is a list of documents filed as part ofthis Annual Report on Form 10-K:

(1) Not applicable

(2) Not applicable

(3) See below

4.1          Pooling and Servicing Agreement, dated as of November 1,2017, by and among UBS Commercial Mortgage Securitization Corp., as Depositor,Midland Loan Services, a Division of PNC Bank, National Association, as MasterServicer and as Special Servicer, Wells Fargo Bank, National Association, asCertificate Administrator, as Cayman Agent and as Trustee, and Park BridgeLender Services LLC, as Operating Advisor and as Asset Representations Reviewer(filed as Exhibit 4.1 to the registrant’s Current Report on Form 8-K filed onNovember 30, 2017 under Commission File No. 333-207340-06 and incorporated by referenceherein).

4.2          Trust and Servicing Agreement, dated as of June 9, 2017,by and among Morgan Stanley Capital I Inc., as Depositor, Wells Fargo Bank,National Association, as Master Servicer, AEGON USA Realty Advisors, LLC, asSpecial Servicer, Wilmington Trust, National Association, as Trustee, and WellsFargo Bank, National Association, as Certificate Administrator and Custodian(filed as Exhibit 4.3 to the registrant’s Current Report on Form 8-K filed onNovember 30, 2017 under Commission File No. 333-207340-06 and incorporated byreference herein).

4.3          Pooling and Servicing Agreement, dated as of November 1,2017, by and among UBS Commercial Mortgage Securitization Corp., as Depositor,Midland Loan Services, a Division of PNC Bank, National Association, as MasterServicer and as Special Servicer, Wells Fargo Bank, National Association, asCertificate Administrator, as Cayman Agent and as Trustee, and Park BridgeLender Services LLC, as Operating Advisor and as Asset RepresentationsReviewer, (filed as Exhibit 4.5 to the registrant’s Current Report on Form 8-Kfiled on November 30, 2017 under Commission File No. 333-207340-06 andincorporated by reference herein).

4.4          Pooling and Servicing Agreement, dated as of November 1,2017, by and among Credit Suisse Commercial Mortgage Securities Corp., asDepositor, KeyBank National Association, as Master Servicer, CWCapital AssetManagement LLC, as Special Servicer, Wells Fargo Bank, National Association, asCertificate Administrator and as Trustee, and Park Bridge Lender Services LLC,as Operating Advisor and as Asset Representations Reviewer (filed as Exhibit4.2 to the registrant’s Current Report on Form 8-K filed on November 30, 2017under Commission File No. 333-207340-06 and incorporated by reference herein).

4.5          Pooling and Servicing Agreement, dated as of November 1,2017, by and among Deutsche Mortgage & Asset Receiving Corporation, asDepositor, Wells Fargo Bank, National Association, as Master Servicer, LNRPartners, LLC, as Special Servicer, Wilmington Trust, National Association, asTrustee, Wells Fargo Bank, National Association, as Certificate Administrator,Paying Agent and Custodian, Park Bridge Lender Services LLC, as OperatingAdvisor, and Park Bridge Lender Services LLC as Asset Representations Reviewer(filed as Exhibit 4.4 to the registrant’s Current Report on Form 8-K filed onNovember 30, 2017 under Commission File No. 333-207340-06 and incorporated byreference herein).

4.6          Pooling and Servicing Agreement, dated as of November 1,2017, by and among GS Mortgage Securities Corporation II, as Depositor, WellsFargo Bank, National Association, as Master Servicer, Midland Loan Services, aDivision of PNC Bank, National Association, as Special Servicer, Wells FargoBank, National Association, as Certificate Administrator, Wilmington Trust,National Association, as Trustee, and Pentalpha Surveillance LLC, as OperatingAdvisor and as Asset Representations Reviewer (filed as Exhibit 4.6 to theregistrant’s Current Report on Form 8-K filed on November 30, 2017 underCommission File No. 333-207340-06 and incorporated by reference herein).

4.7          Pooling and Servicing Agreement, dated as of December 1,2017, by and among UBS Commercial Mortgage Securitization Corp., as Depositor,Wells Fargo Bank, National Association, as Master Servicer, Rialto CapitalAdvisors, LLC, as Special Servicer, Wells Fargo Bank, National Association, asCertificate Administrator, Wilmington Trust, National Association, as Trustee,and Pentalpha Surveillance LLC, as Operating Advisor and as AssetRepresentations Reviewer (filed as Exhibit 4.1 to the registrant’s CurrentReport on Form 8-K filed on December 14, 2017 under Commission File No.333-207340-06 and incorporated by reference herein).

4.8          Pooling and Servicing Agreement, dated as of December 1,2017, by and among Wells Fargo Commercial Mortgage Securities, Inc., asDepositor, Wells Fargo Bank, National Association, as Master Servicer, LNRPartners, LLC, as Special Servicer, Wells Fargo Bank, National Association, asCertificate Administrator, Wilmington Trust, National Association, as Trustee,and Park Bridge Lender Services LLC, as Operating Advisor and as AssetRepresentations Reviewer,  (filed as Exhibit 4.1 to the registrant’sCurrent Report on Form 8-K filed on December 22, 2017 under Commission File No.333-207340-06 and incorporated by reference herein).

4.9          Pooling and Servicing Agreement, dated as of December 1,2017, by and among UBS Commercial Mortgage Securitization Corp., as Depositor,Wells Fargo Bank, National Association, as Master Servicer, KeyBank NationalAssociation, as Special Servicer, Wells Fargo Bank, National Association, asCertificate Administrator, Wilmington Trust, National Association, as Trustee,and Pentalpha Surveillance LLC, as Operating Advisor and as Asset RepresentationsReviewer, (filed as Exhibit 4.1 to the registrant’s Current Report on Form 8-Kfiled on December 28, 2017 under Commission File No. 333-207340-06 andincorporated by reference herein).

4.10         Co-Lender Agreement, dated as of August 7, 2017, betweenCantor Commercial Real Estate Lending, L.P., as Note A-1-A Holder, CantorCommercial Real Estate Lending, L.P., as Note A-1-B Holder and CantorCommercial Real Estate Lending, L.P., as Note A-2 Holder (filed as Exhibit 4.10to the registrant’s Current Report on Form 8-K filed on November 30, 2017 underCommission File No. 333-207340-06 and incorporated by reference herein).

4.11         Amended and Restated Co-Lender Agreement, dated as ofNovember 30, 2017, by and between Citi Real Estate Funding Inc., as InitialNote A-1 Holder, and UBS AG, by and through its branch office at 1285 Avenue ofthe Americas, New York, New York, as Initial Note A-2 Holder (filed as Exhibit4.12 to the registrant’s Current Report on Form 8-K filed on November 30, 2017under Commission File No. 333-207340-06 and incorporated by reference herein).

4.12         Co-Lender Agreement, dated as of July 27, 2017, by andamong CCRE Loan Seller IV, LLC, as Initial Note A-1 Holder and Initial Note A-2Holder, and Goldman Sachs Mortgage Company, as Initial Note A-3 Holder (filedas Exhibit 4.18 to the registrant’s Current Report on Form 8-K filed onNovember 30, 2017 under Commission File No. 333-207340-06 and incorporated byreference herein).

4.13         Co-Lender Agreement, dated as of October 31, 2017,between Cantor Commercial Real Estate Lending, L.P., as Note A-1 Holder, andCantor Commercial Real Estate Lending, L.P., as Note A-2 Holder (filed asExhibit 4.17 to the registrant’s Current Report on Form 8-K filed on November30, 2017 under Commission File No. 333-207340-06 and incorporated by referenceherein).

4.14         Co-Lender Agreement, dated as of November 16, 2017,between Cantor Commercial Real Estate Lending, L.P., as Note A-1 Holder, andCantor Commercial Real Estate Lending, L.P., as Note A-2 Holder (filed asExhibit 4.19 to the registrant’s Current Report on Form 8-K filed on November30, 2017 under Commission File No. 333-207340-06 and incorporated by referenceherein).

4.15         Agreement Between Note Holders, dated as of November 16,2017, by and between UBS AG, by and through its branch office at 1285 Avenue ofthe Americas, New York, New York, as Initial Note A-1-1 Holder, UBS AG, by andthrough its branch office at 1285 Avenue of the Americas, New York, New York,as Initial Note A-1-2 Holder, UBS AG, by and through its branch office at 1285Avenue of the Americas, New York, New York, as Initial Note A-2 Holder, and UBSAG, by and through its branch office at 1285 Avenue of the Americas, New York,New York, as Initial Note A-3 Holder (filed as Exhibit 4.20 to the registrant’sCurrent Report on Form 8-K filed on November 30, 2017 under Commission File No.333-207340-06 and incorporated by reference herein).

4.16         Agreement Between Note Holders, dated as of June 30,2017, by and between Morgan Stanley Bank, N.A., as Initial Note A-1 Holder andInitial Note B-1 Holder, and Deutsche Bank AG, acting through its New YorkBranch, as Initial Note A-2 Holder and Initial Note B-2 Holder, and CitigroupGlobal Markets Realty Corp., as Initial Note A-3 Holder and Initial Note B-3Holder, and Wells Fargo Bank, National Association, as Initial Note A-4 Holderand Initial Note B-4 Holder, and Cantor Commercial Real Estate Lending, L.P.,as Initial CCRE Note Holder (filed as Exhibit 4.8 to the registrant’s CurrentReport on Form 8-K filed on November 30, 2017 under Commission File No.333-207340-06 and incorporated by reference herein).

4.17         Co-Lender Agreement, dated as of November 16, 2017,between Cantor Commercial Real Estate Lending, L.P., as Note A-1 Holder, andCantor Commercial Real Estate Lending, L.P., as Note A-2 Holder (filed asExhibit 4.21 to the registrant’s Current Report on Form 8-K filed on November30, 2017 under Commission File No. 333-207340-06 and incorporated by referenceherein).

4.18         Co-Lender Agreement, dated as of November 16, 2017, byand among Goldman Sachs Mortgage Company, as Initial Note A-1(A-CP) Holder,Initial Note A-1(A-NCP) Holder and Initial Note A-1(B-CP) Holder, and WellsFargo Bank, National Association, as Initial Note A-2 Holder, and  UBS AG,by and through its branch office at 1285 Avenue of the Americas, New York, NewYork, as Initial Note A-3(A-CP) Holder, Initial Note A-3(B-CP) Holder, InitialNote A-3(C-CP) Holder, Initial Note A-3(D-NCP) Holder, Initial Note A-3(E-NCP)Holder and Initial Note A-3(F-NCP) Holder (filed as Exhibit 4.16 to theregistrant’s Current Report on Form 8-K filed on November 30, 2017 underCommission File No. 333-207340-06 and incorporated by reference herein).

4.19         Co-Lender Agreement, dated as of November 29, 2017,between Cantor Commercial Real Estate Lending, L.P., as Note A-1 Holder, CantorCommercial Real Estate Lending, L.P., as Note A-2 Holder, Cantor CommercialReal Estate Lending, L.P., as Note A-3 Holder, Cantor Commercial Real EstateLending, L.P., as Note A-4 Holder, Citi Real Estate Funding Inc., as Note A-5Holder and Citi Real Estate Funding Inc., as Note A-6 Holder (filed as Exhibit4.11 to the registrant’s Current Report on Form 8-K filed on November 30, 2017under Commission File No. 333-207340-06 and incorporated by reference herein).

4.20         Agreement Between Note Holders, dated as of October 27,2017, by and between Column Financial, Inc., as Initial Note A-1-A Holder, andCiti Real Estate Funding Inc., as Initial Note A-1-B Holder, and ColumnFinancial, Inc., as Initial Note A-2-A Holder, and Citi Real Estate FundingInc., as Initial Note A-2-B Holder (filed as Exhibit 4.7 to the registrant’sCurrent Report on Form 8-K filed on November 30, 2017 under Commission File No.333-207340-06 and incorporated by reference herein).

4.21         Agreement Between Note Holders, dated as of October 20,2017, by and between Citi Real Estate Funding Inc., as Initial Note A-1 Holderand Initial Note A-2 Holder, and Barclays Bank PLC, as Initial Note A-3 Holderand Initial Note A-4 Holder (filed as Exhibit 4.14 to the registrant’s CurrentReport on Form 8-K filed on November 30, 2017 under Commission File No.333-207340-06 and incorporated by reference herein).

4.22         Agreement Between Note Holders, dated as of October 10,2017, by and between Barclays Bank PLC, as Initial Note A-1 Holder and CitiReal Estate Funding Inc., as Initial Note A-2 Holder (filed as Exhibit 4.9 tothe registrant’s Current Report on Form 8-K filed on November 30, 2017 underCommission File No. 333-207340-06 and incorporated by reference herein).

4.23         Co-Lender Agreement, dated as of November 9, 2017, betweenLadder Capital Finance LLC, as Note A-1-A Holder, and Ladder Capital FinanceLLC, as Note A-1-B Holder, and Cantor Commercial Real Estate Lending, L.P., asNote A-2-A Holder, and Ladder Capital Finance LLC, as Note A-3 Holder, andLadder Capital Finance LLC, as Note A-4-B Holder and Ladder Capital FinanceLLC, as Note A-5-A Holder (filed as Exhibit 4.15 to the registrant’s CurrentReport on Form 8-K filed on November 30, 2017 under Commission File No.333-207340-06 and incorporated by reference herein).

4.24         Primary Servicing Agreement, Dated as of November 1,2017, by and between Midland Loan Services, a Division of PNC Bank, NationalAssociation, as Master Servicer, and Berkeley Point Capital LLC, as PrimaryServicer (filed as Exhibit 4.22 to the registrant’s Current Report on Form 8-Kfiled on November 30, 2017 under Commission File No. 333-207340-06 and incorporatedby reference herein).

31           Rule 13a-14(d)/15d-14(d) Certifications.

33           Reports on assessment of compliance with servicing criteria for asset-backedsecurities.

33.1        Midland Loan Services, a Division of PNC Bank,National Association, as Master Servicer

33.2        Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer (see Exhibit 33.1)

33.3        Wells Fargo Bank, National Association, as Trusteeand Certificate Administrator

33.4        Wells Fargo Bank, National Association, asCustodian

33.5        Park Bridge Lender Services LLC, as OperatingAdvisor

33.6        Berkeley Point Capital LLC d/b/a Newmark, asPrimary Servicer

33.7        Computershare Trust Company, National Association,as Servicing Function Participant for the Certificate Administrator

33.8        Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian

33.9        Midland Loan Services, a Division of PNC Bank,National Association, as Primary Servicer of the Chelsea Multifamily PortfolioMortgage Loan (see Exhibit 33.1)

33.10      Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer of the Chelsea Multifamily PortfolioMortgage Loan (see Exhibit 33.1)

33.11      Wells Fargo Bank, National Association, as Trustee of the Chelsea MultifamilyPortfolio Mortgage Loan (Omitted. See Explanatory Notes.)

33.12      Wells Fargo Bank, National Association, asCustodian of the Chelsea Multifamily Portfolio Mortgage Loan (see Exhibit 33.4)

33.13      Park Bridge Lender Services LLC, as OperatingAdvisor of the Chelsea Multifamily Portfolio Mortgage Loan (see Exhibit 33.5)

33.14       Computershare Trust Company, National Association, asServicing Function Participant for the Custodian (see Exhibit 33.8)

33.15      Midland Loan Services, a Division of PNC Bank,National Association, as Primary Servicer of the 2U Headquarters Mortgage Loan(see Exhibit 33.1)

33.16      Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer of the 2U Headquarters Mortgage Loan(see Exhibit 33.1)

33.17      Wells Fargo Bank, National Association, as Trustee of the 2U HeadquartersMortgage Loan (Omitted. See Explanatory Notes.)

33.18      Wells Fargo Bank, National Association, asCustodian of the 2U Headquarters Mortgage Loan (see Exhibit 33.4)

33.19      Park Bridge Lender Services LLC, as OperatingAdvisor of the 2U Headquarters Mortgage Loan (see Exhibit 33.5)

33.20      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 33.8)

33.21      Midland Loan Services, a Division of PNC Bank,National Association, as Primary Servicer of the Westin Crystal City MortgageLoan (see Exhibit 33.1)

33.22      Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer of the Westin Crystal City MortgageLoan (see Exhibit 33.1)

33.23      Wells Fargo Bank, National Association, as Trustee of the Westin Crystal CityMortgage Loan (Omitted. See Explanatory Notes.)

33.24      Wells Fargo Bank, National Association, asCustodian of the Westin Crystal City Mortgage Loan (see Exhibit 33.4)

33.25      Park Bridge Lender Services LLC, as OperatingAdvisor of the Westin Crystal City Mortgage Loan (see Exhibit 33.5)

33.26      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 33.8)

33.27      Midland Loan Services, a Division of PNC Bank,National Association, as Primary Servicer of the Marriott Grand Cayman MortgageLoan (see Exhibit 33.1)

33.28      Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer of the Marriott Grand Cayman MortgageLoan (see Exhibit 33.1)

33.29      Wells Fargo Bank, National Association, as Trustee of the Marriott Grand CaymanMortgage Loan (Omitted. See Explanatory Notes.)

33.30      Wells Fargo Bank, National Association, asCustodian of the Marriott Grand Cayman Mortgage Loan (see Exhibit 33.4)

33.31      Park Bridge Lender Services LLC, as OperatingAdvisor of the Marriott Grand Cayman Mortgage Loan (see Exhibit 33.5)

33.32      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 33.8)

33.33      Midland Loan Services, a Division of PNC Bank,National Association, as Primary Servicer of the Hyatt Regency PrincetonMortgage Loan (see Exhibit 33.1)

33.34      Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer of the Hyatt Regency PrincetonMortgage Loan (see Exhibit 33.1)

33.35      Wells Fargo Bank, National Association, as Trustee of the Hyatt RegencyPrinceton Mortgage Loan (Omitted. See Explanatory Notes.)

33.36      Wells Fargo Bank, National Association, asCustodian of the Hyatt Regency Princeton Mortgage Loan (see Exhibit 33.4)

33.37      Park Bridge Lender Services LLC, as OperatingAdvisor of the Hyatt Regency Princeton Mortgage Loan (see Exhibit 33.5)

33.38      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 33.8)

33.39      Midland Loan Services, a Division of PNC Bank,National Association, as Primary Servicer of the At Home Portfolio MortgageLoan (see Exhibit 33.1)

33.40      Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer of the At Home Portfolio MortgageLoan (see Exhibit 33.1)

33.41      Wells Fargo Bank, National Association, as Trustee of the At Home PortfolioMortgage Loan (Omitted. See Explanatory Notes.)

33.42      Wells Fargo Bank, National Association, asCustodian of the At Home Portfolio Mortgage Loan (see Exhibit 33.4)

33.43      Park Bridge Lender Services LLC, as OperatingAdvisor of the At Home Portfolio Mortgage Loan (see Exhibit 33.5)

33.44      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 33.8)

33.45      Wells Fargo Bank, National Association, as PrimaryServicer of the General Motors Building Mortgage Loan

33.46      Green Loan Services LLC, as Special Servicer ofthe General Motors Building Mortgage Loan

33.47      Wilmington Trust, National Association, as Trustee of the General MotorsBuilding Mortgage Loan (Omitted. See Explanatory Notes.)

33.48      Wells Fargo Bank, National Association, asCustodian of the General Motors Building Mortgage Loan (see Exhibit 33.4)

33.49      CoreLogic Solutions, LLC, as Servicing FunctionParticipant of the General Motors Building Mortgage Loan

33.50      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 33.8)

33.51       Midland Loan Services, a Division of PNC Bank,National Association, as Primary Servicer of the Manchester Financial BuildingMortgage Loan (see Exhibit 33.1)

33.52       Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer of the Manchester Financial BuildingMortgage Loan prior to May 5, 2023 (see Exhibit 33.1)

33.53      K-Star Asset Management LLC, as Special Servicer of the Manchester FinancialBuilding Mortgage Loan on and after May 5, 2023 (Omitted. See ExplanatoryNotes.)

33.54      Wells Fargo Bank, National Association, as Trustee of the Manchester FinancialBuilding Mortgage Loan (Omitted. See Explanatory Notes.)

33.55      Wells Fargo Bank, National Association, asCustodian of the Manchester Financial Building Mortgage Loan (see Exhibit 33.4)

33.56      Park Bridge Lender Services LLC, as OperatingAdvisor of the Manchester Financial Building Mortgage Loan (see Exhibit 33.5)

33.57      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 33.8)

33.58      KeyBank National Association, as Primary Servicerof the GNL Portfolio Mortgage Loan

33.59      LNR Partners, LLC, as Special Servicer of the GNLPortfolio Mortgage Loan

33.60      Wells Fargo Bank, National Association, as Trustee of the GNL PortfolioMortgage Loan (Omitted. See Explanatory Notes.)

33.61      Wells Fargo Bank, National Association, asCustodian of the GNL Portfolio Mortgage Loan (see Exhibit 33.4)

33.62      Park Bridge Lender Services LLC, as OperatingAdvisor of the GNL Portfolio Mortgage Loan (see Exhibit 33.5)

33.63      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 33.8)

33.64       Wells Fargo Bank, National Association, as PrimaryServicer of the Bass Pro & Cabela's Portfolio Mortgage Loan (see Exhibit33.45)

33.65      Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer of the Bass Pro & Cabela'sPortfolio Mortgage Loan prior to May 10, 2023 (see Exhibit 33.1)

33.66      K-Star Asset Management LLC, as Special Servicer of the Bass Pro & Cabela'sPortfolio Mortgage Loan on and after May 10, 2023 (Omitted. See ExplanatoryNotes.)

33.67      Wilmington Trust, National Association, as Trustee of the Bass Pro &Cabela's Portfolio Mortgage Loan (Omitted. See Explanatory Notes.)

33.68      Wells Fargo Bank, National Association, asCustodian of the Bass Pro & Cabela's Portfolio Mortgage Loan (see Exhibit33.4)

33.69      Pentalpha Surveillance LLC, as Operating Advisorof the Bass Pro & Cabela's Portfolio Mortgage Loan

33.70      CoreLogic Solutions, LLC, as Servicing FunctionParticipant of the Bass Pro & Cabela's Portfolio Mortgage Loan (see Exhibit33.49)

33.71      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 33.8)

33.72      Wells Fargo Bank, National Association, as PrimaryServicer of the Headquarters Plaza Mortgage Loan (see Exhibit 33.45)

33.73      Argentic Services Company LP, as Special Servicer of the Headquarters PlazaMortgage Loan (Omitted. See Explanatory Notes.)

33.74      Wilmington Trust, National Association, as Trustee of the Headquarters PlazaMortgage Loan (Omitted. See Explanatory Notes.)

33.75      Wells Fargo Bank, National Association, asCustodian of the Headquarters Plaza Mortgage Loan (see Exhibit 33.4)

33.76      Park Bridge Lender Services LLC, as OperatingAdvisor of the Headquarters Plaza Mortgage Loan (see Exhibit 33.5)

33.77      CoreLogic Solutions, LLC, as Servicing FunctionParticipant of the Headquarters Plaza Mortgage Loan (see Exhibit 33.49)

33.78      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 33.8)

33.79      Berkeley Point Capital LLC d/b/a Newmark, asPrimary Servicer of the Harmon Corner Mortgage Loan (see Exhibit 33.6)

33.80      Rialto Capital Advisors, LLC, as Special Servicerof the Harmon Corner Mortgage Loan

33.81      Wilmington Trust, National Association, as Trustee of the Harmon CornerMortgage Loan (Omitted. See Explanatory Notes.)

33.82      Wells Fargo Bank, National Association, asCustodian of the Harmon Corner Mortgage Loan (see Exhibit 33.4)

33.83      Pentalpha Surveillance LLC, as Operating Advisorof the Harmon Corner Mortgage Loan (see Exhibit 33.69)

33.84      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 33.8)

33.85      Wells Fargo Bank, National Association, as PrimaryServicer of the 16 Court Street Mortgage Loan (see Exhibit 33.45)

33.86      LNR Partners, LLC, as Special Servicer of the 16Court Street Mortgage Loan (see Exhibit 33.59)

33.87      Wilmington Trust, National Association, as Trustee of the 16 Court StreetMortgage Loan (Omitted. See Explanatory Notes.)

33.88      Wells Fargo Bank, National Association, asCustodian of the 16 Court Street Mortgage Loan (see Exhibit 33.4)

33.89      Park Bridge Lender Services LLC, as OperatingAdvisor of the 16 Court Street Mortgage Loan (see Exhibit 33.5)

33.90      CoreLogic Solutions, LLC, as Servicing FunctionParticipant of the 16 Court Street Mortgage Loan (see Exhibit 33.49)

33.91      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 33.8)

33.92      Wells Fargo Bank, National Association, as PrimaryServicer of the National Office Portfolio Mortgage Loan (see Exhibit 33.45)

33.93      KeyBank National Association, as Special Servicerof the National Office Portfolio Mortgage Loan (see Exhibit 33.58)

33.94      Wilmington Trust, National Association, as Trustee of the National OfficePortfolio Mortgage Loan (Omitted. See Explanatory Notes.)

33.95      Wells Fargo Bank, National Association, asCustodian of the National Office Portfolio Mortgage Loan (see Exhibit 33.4)

33.96      Pentalpha Surveillance LLC, as Operating Advisorof the National Office Portfolio Mortgage Loan (see Exhibit 33.69)

33.97      CoreLogic Solutions, LLC, as Servicing FunctionParticipant of the National Office Portfolio Mortgage Loan (see Exhibit 33.49)

33.98      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 33.8)

34           Attestationreports on assessment of compliance with servicing criteria for asset-backedsecurities.

34.1        Midland Loan Services, a Division of PNC Bank,National Association, as Master Servicer

34.2        Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer (see Exhibit 34.1)

34.3        Wells Fargo Bank, National Association, as Trusteeand Certificate Administrator

34.4        Wells Fargo Bank, National Association, asCustodian

34.5        Park Bridge Lender Services LLC, as OperatingAdvisor

34.6        Berkeley Point Capital LLC d/b/a Newmark, asPrimary Servicer

34.7        Computershare Trust Company, National Association,as Servicing Function Participant for the Certificate Administrator

34.8        Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian

34.9        Midland Loan Services, a Division of PNC Bank,National Association, as Primary Servicer of the Chelsea Multifamily PortfolioMortgage Loan (see Exhibit 34.1)

34.10      Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer of the Chelsea Multifamily PortfolioMortgage Loan (see Exhibit 34.1)

34.11      Wells Fargo Bank, National Association, as Trustee of the Chelsea MultifamilyPortfolio Mortgage Loan (Omitted. See Explanatory Notes.)

34.12      Wells Fargo Bank, National Association, asCustodian of the Chelsea Multifamily Portfolio Mortgage Loan (see Exhibit 34.4)

34.13      Park Bridge Lender Services LLC, as OperatingAdvisor of the Chelsea Multifamily Portfolio Mortgage Loan (see Exhibit 34.5)

34.14      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 34.8)

34.15      Midland Loan Services, a Division of PNC Bank,National Association, as Primary Servicer of the 2U Headquarters Mortgage Loan(see Exhibit 34.1)

34.16      Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer of the 2U Headquarters Mortgage Loan(see Exhibit 34.1)

34.17      Wells Fargo Bank, National Association, as Trustee of the 2U HeadquartersMortgage Loan (Omitted. See Explanatory Notes.)

34.18      Wells Fargo Bank, National Association, asCustodian of the 2U Headquarters Mortgage Loan (see Exhibit 34.4)

34.19      Park Bridge Lender Services LLC, as OperatingAdvisor of the 2U Headquarters Mortgage Loan (see Exhibit 34.5)

34.20      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 34.8)

34.21      Midland Loan Services, a Division of PNC Bank,National Association, as Primary Servicer of the Westin Crystal City MortgageLoan (see Exhibit 34.1)

34.22      Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer of the Westin Crystal City MortgageLoan (see Exhibit 34.1)

34.23      Wells Fargo Bank, National Association, as Trustee of the Westin Crystal CityMortgage Loan (Omitted. See Explanatory Notes.)

34.24      Wells Fargo Bank, National Association, asCustodian of the Westin Crystal City Mortgage Loan (see Exhibit 34.4)

34.25      Park Bridge Lender Services LLC, as OperatingAdvisor of the Westin Crystal City Mortgage Loan (see Exhibit 34.5)

34.26      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 34.8)

34.27      Midland Loan Services, a Division of PNC Bank,National Association, as Primary Servicer of the Marriott Grand Cayman MortgageLoan (see Exhibit 34.1)

34.28      Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer of the Marriott Grand Cayman MortgageLoan (see Exhibit 34.1)

34.29      Wells Fargo Bank, National Association, as Trustee of the Marriott Grand CaymanMortgage Loan (Omitted. See Explanatory Notes.)

34.30      Wells Fargo Bank, National Association, asCustodian of the Marriott Grand Cayman Mortgage Loan (see Exhibit 34.4)

34.31      Park Bridge Lender Services LLC, as OperatingAdvisor of the Marriott Grand Cayman Mortgage Loan (see Exhibit 34.5)

34.32      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 34.8)

34.33      Midland Loan Services, a Division of PNC Bank,National Association, as Primary Servicer of the Hyatt Regency PrincetonMortgage Loan (see Exhibit 34.1)

34.34      Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer of the Hyatt Regency PrincetonMortgage Loan (see Exhibit 34.1)

34.35      Wells Fargo Bank, National Association, as Trustee of the Hyatt RegencyPrinceton Mortgage Loan (Omitted. See Explanatory Notes.)

34.36      Wells Fargo Bank, National Association, asCustodian of the Hyatt Regency Princeton Mortgage Loan (see Exhibit 34.4)

34.37      Park Bridge Lender Services LLC, as OperatingAdvisor of the Hyatt Regency Princeton Mortgage Loan (see Exhibit 34.5)

34.38      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 34.8)

34.39      Midland Loan Services, a Division of PNC Bank,National Association, as Primary Servicer of the At Home Portfolio MortgageLoan (see Exhibit 34.1)

34.40      Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer of the At Home Portfolio MortgageLoan (see Exhibit 34.1)

34.41      Wells Fargo Bank, National Association, as Trustee of the At Home PortfolioMortgage Loan (Omitted. See Explanatory Notes.)

34.42      Wells Fargo Bank, National Association, asCustodian of the At Home Portfolio Mortgage Loan (see Exhibit 34.4)

34.43      Park Bridge Lender Services LLC, as OperatingAdvisor of the At Home Portfolio Mortgage Loan (see Exhibit 34.5)

34.44      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 34.8)

34.45      Wells Fargo Bank, National Association, as PrimaryServicer of the General Motors Building Mortgage Loan

34.46      Green Loan Services LLC, as Special Servicer ofthe General Motors Building Mortgage Loan

34.47      Wilmington Trust, National Association, as Trustee of the General MotorsBuilding Mortgage Loan (Omitted. See Explanatory Notes.)

34.48      Wells Fargo Bank, National Association, asCustodian of the General Motors Building Mortgage Loan (see Exhibit 34.4)

34.49      CoreLogic Solutions, LLC, as Servicing FunctionParticipant of the General Motors Building Mortgage Loan

34.50      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 34.8)

34.51      Midland Loan Services, a Division of PNC Bank,National Association, as Primary Servicer of the Manchester Financial BuildingMortgage Loan (see Exhibit 34.1)

34.52      Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer of the Manchester Financial BuildingMortgage Loan prior to May 5, 2023 (see Exhibit 34.1)

34.53      K-Star Asset Management LLC, as Special Servicer of the Manchester FinancialBuilding Mortgage Loan on and after May 5, 2023 (Omitted. See ExplanatoryNotes.)

34.54      Wells Fargo Bank, National Association, as Trustee of the Manchester FinancialBuilding Mortgage Loan (Omitted. See Explanatory Notes.)

34.55      Wells Fargo Bank, National Association, asCustodian of the Manchester Financial Building Mortgage Loan (see Exhibit 34.4)

34.56      Park Bridge Lender Services LLC, as OperatingAdvisor of the Manchester Financial Building Mortgage Loan (see Exhibit 34.5)

34.57      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 34.8)

34.58      KeyBank National Association, as Primary Servicerof the GNL Portfolio Mortgage Loan

34.59      LNR Partners, LLC, as Special Servicer of the GNLPortfolio Mortgage Loan

34.60      Wells Fargo Bank, National Association, as Trustee of the GNL PortfolioMortgage Loan (Omitted. See Explanatory Notes.)

34.61      Wells Fargo Bank, National Association, asCustodian of the GNL Portfolio Mortgage Loan (see Exhibit 34.4)

34.62      Park Bridge Lender Services LLC, as OperatingAdvisor of the GNL Portfolio Mortgage Loan (see Exhibit 34.5)

34.63      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 34.8)

34.64      Wells Fargo Bank, National Association, as PrimaryServicer of the Bass Pro & Cabela's Portfolio Mortgage Loan (see Exhibit34.45)

34.65      Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer of the Bass Pro & Cabela'sPortfolio Mortgage Loan prior to May 10, 2023 (see Exhibit 34.1)

34.66      K-Star Asset Management LLC, as Special Servicer of the Bass Pro & Cabela'sPortfolio Mortgage Loan on and after May 10, 2023 (Omitted. See ExplanatoryNotes.)

34.67      Wilmington Trust, National Association, as Trustee of the Bass Pro &Cabela's Portfolio Mortgage Loan (Omitted. See Explanatory Notes.)

34.68      Wells Fargo Bank, National Association, asCustodian of the Bass Pro & Cabela's Portfolio Mortgage Loan (see Exhibit34.4)

34.69      Pentalpha Surveillance LLC, as Operating Advisorof the Bass Pro & Cabela's Portfolio Mortgage Loan

34.70      CoreLogic Solutions, LLC, as Servicing FunctionParticipant of the Bass Pro & Cabela's Portfolio Mortgage Loan (see Exhibit34.49)

34.71      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 34.8)

34.72      Wells Fargo Bank, National Association, as PrimaryServicer of the Headquarters Plaza Mortgage Loan (see Exhibit 34.45)

34.73      Argentic Services Company LP, as Special Servicer of the Headquarters PlazaMortgage Loan (Omitted. See Explanatory Notes.)

34.74      Wilmington Trust, National Association, as Trustee of the Headquarters PlazaMortgage Loan (Omitted. See Explanatory Notes.)

34.75      Wells Fargo Bank, National Association, asCustodian of the Headquarters Plaza Mortgage Loan (see Exhibit 34.4)

34.76      Park Bridge Lender Services LLC, as OperatingAdvisor of the Headquarters Plaza Mortgage Loan (see Exhibit 34.5)

34.77      CoreLogic Solutions, LLC, as Servicing FunctionParticipant of the Headquarters Plaza Mortgage Loan (see Exhibit 34.49)

34.78      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 34.8)

34.79      Berkeley Point Capital LLC d/b/a Newmark, asPrimary Servicer of the Harmon Corner Mortgage Loan (see Exhibit 34.6)

34.80      Rialto Capital Advisors, LLC, as Special Servicerof the Harmon Corner Mortgage Loan

34.81      Wilmington Trust, National Association, as Trustee of the Harmon Corner MortgageLoan (Omitted. See Explanatory Notes.)

34.82      Wells Fargo Bank, National Association, asCustodian of the Harmon Corner Mortgage Loan (see Exhibit 34.4)

34.83      Pentalpha Surveillance LLC, as Operating Advisorof the Harmon Corner Mortgage Loan (see Exhibit 34.69)

34.84      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 34.8)

34.85      Wells Fargo Bank, National Association, as PrimaryServicer of the 16 Court Street Mortgage Loan (see Exhibit 34.45)

34.86      LNR Partners, LLC, as Special Servicer of the 16Court Street Mortgage Loan (see Exhibit 34.59)

34.87      Wilmington Trust, National Association, as Trustee of the 16 Court StreetMortgage Loan (Omitted. See Explanatory Notes.)

34.88      Wells Fargo Bank, National Association, asCustodian of the 16 Court Street Mortgage Loan (see Exhibit 34.4)

34.89      Park Bridge Lender Services LLC, as OperatingAdvisor of the 16 Court Street Mortgage Loan (see Exhibit 34.5)

34.90      CoreLogic Solutions, LLC, as Servicing FunctionParticipant of the 16 Court Street Mortgage Loan (see Exhibit 34.49)

34.91      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 34.8)

34.92      Wells Fargo Bank, National Association, as PrimaryServicer of the National Office Portfolio Mortgage Loan (see Exhibit 34.45)

34.93      KeyBank National Association, as Special Servicerof the National Office Portfolio Mortgage Loan (see Exhibit 34.58)

34.94      Wilmington Trust, National Association, as Trustee of the National OfficePortfolio Mortgage Loan (Omitted. See Explanatory Notes.)

34.95      Wells Fargo Bank, National Association, asCustodian of the National Office Portfolio Mortgage Loan (see Exhibit 34.4)

34.96      Pentalpha Surveillance LLC, as Operating Advisorof the National Office Portfolio Mortgage Loan (see Exhibit 34.69)

34.97      CoreLogic Solutions, LLC, as Servicing FunctionParticipant of the National Office Portfolio Mortgage Loan (see Exhibit 34.49)

34.98      Computershare Trust Company, National Association,as Servicing Function Participant for the Custodian (see Exhibit 34.8)

35           Servicer compliance statements.

35.1        Midland Loan Services, a Division of PNC Bank,National Association, as Master Servicer

35.2        Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer (see Exhibit 35.1)

35.3        Wells Fargo Bank, National Association, asCertificate Administrator

35.4        Berkeley Point Capital LLC d/b/a Newmark, asPrimary Servicer

35.5        Computershare Trust Company, National Association,as Servicing Function Participant for the Certificate Administrator

35.6        Midland Loan Services, a Division of PNC Bank,National Association, as Primary Servicer of the Chelsea Multifamily PortfolioMortgage Loan (see Exhibit 35.1)

35.7        Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer of the Chelsea Multifamily PortfolioMortgage Loan (see Exhibit 35.1)

35.8        Midland Loan Services, a Division of PNC Bank,National Association, as Primary Servicer of the 2U Headquarters Mortgage Loan(see Exhibit 35.1)

35.9        Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer of the 2U Headquarters Mortgage Loan(see Exhibit 35.1)

35.10      Midland Loan Services, a Division of PNC Bank,National Association, as Primary Servicer of the Westin Crystal City MortgageLoan (see Exhibit 35.1)

35.11      Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer of the Westin Crystal City MortgageLoan (see Exhibit 35.1)

35.12      Midland Loan Services, a Division of PNC Bank,National Association, as Primary Servicer of the Marriott Grand Cayman MortgageLoan (see Exhibit 35.1)

35.13      Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer of the Marriott Grand Cayman MortgageLoan (see Exhibit 35.1)

35.14      Midland Loan Services, a Division of PNC Bank,National Association, as Primary Servicer of the Hyatt Regency PrincetonMortgage Loan (see Exhibit 35.1)

35.15      Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer of the Hyatt Regency PrincetonMortgage Loan (see Exhibit 35.1)

35.16      Midland Loan Services, a Division of PNC Bank,National Association, as Primary Servicer of the At Home Portfolio MortgageLoan (see Exhibit 35.1)

35.17      Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer of the At Home Portfolio MortgageLoan (see Exhibit 35.1)

35.18      Wells Fargo Bank, National Association, as PrimaryServicer of the General Motors Building Mortgage Loan

35.19      Green Loan Services LLC, as Special Servicer of the General Motors BuildingMortgage Loan (Omitted. See Explanatory Notes.)

35.20      Midland Loan Services, a Division of PNC Bank,National Association, as Primary Servicer of the Manchester Financial BuildingMortgage Loan (see Exhibit 35.1)

35.21      Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer of the Manchester Financial BuildingMortgage Loan prior to May 5, 2023 (see Exhibit 35.1)

35.22      K-Star Asset Management LLC, as Special Servicer of the Manchester FinancialBuilding Mortgage Loan on and after May 5, 2023 (Omitted. See ExplanatoryNotes.)

35.23      KeyBank National Association, as Primary Servicerof the GNL Portfolio Mortgage Loan

35.24      LNR Partners, LLC, as Special Servicer of the GNLPortfolio Mortgage Loan

35.25      Wells Fargo Bank, National Association, as PrimaryServicer of the Bass Pro & Cabela's Portfolio Mortgage Loan (see Exhibit35.18)

35.26      Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer of the Bass Pro & Cabela'sPortfolio Mortgage Loan prior to May 10, 2023 (see Exhibit 35.1)

35.27      K-Star Asset Management LLC, as Special Servicer of the Bass Pro & Cabela'sPortfolio Mortgage Loan on and after May 10, 2023 (Omitted. See ExplanatoryNotes.)

35.28      Wells Fargo Bank, National Association, as PrimaryServicer of the Headquarters Plaza Mortgage Loan (see Exhibit 35.18)

35.29      Argentic Services Company LP, as Special Servicer of the Headquarters PlazaMortgage Loan (Omitted. See Explanatory Notes.)

35.30      Berkeley Point Capital LLC d/b/a Newmark, asPrimary Servicer of the Harmon Corner Mortgage Loan

35.31      Rialto Capital Advisors, LLC, as Special Servicer of the Harmon Corner MortgageLoan (Omitted. See Explanatory Notes.)

35.32      Wells Fargo Bank, National Association, as PrimaryServicer of the 16 Court Street Mortgage Loan (see Exhibit 35.18)

35.33      LNR Partners, LLC, as Special Servicer of the 16Court Street Mortgage Loan (see Exhibit 35.24)

35.34      Wells Fargo Bank, National Association, as PrimaryServicer of the National Office Portfolio Mortgage Loan (see Exhibit 35.18)

35.35      KeyBank National Association, as Special Servicerof the National Office Portfolio Mortgage Loan (see Exhibit 35.23)

99.1         Mortgage Loan Purchase Agreement, dated as of November21, 2017, between UBS Commercial Mortgage Securitization Corp. and UBS AG(filed as Exhibit 99.3 to the registrant’s Current Report on Form 8-K filed onNovember 30, 2017 under Commission File No. 333-207340-06 and incorporated byreference herein).

99.2         Mortgage Loan Purchase Agreement, dated as of November21, 2017, between UBS Commercial Mortgage Securitization Corp. and CantorCommercial Real Estate Lending, L.P. (filed as Exhibit 99.1 to the registrant’sCurrent Report on Form 8-K filed on November 30, 2017 under Commission File No.333-207340-06 and incorporated by reference herein).

99.3         Mortgage Loan Purchase Agreement, dated as of November21, 2017, between UBS Commercial Mortgage Securitization Corp. and Citi RealEstate Funding Inc. (filed as Exhibit 99.2 to the registrant’s Current Reporton Form 8-K filed on November 30, 2017 under Commission File No. 333-207340-06and incorporated by reference herein).

(b)          The exhibits required to be filed by the Registrant pursuant to Item 601 ofRegulation S-K are listed above.

(c)           Not Applicable.

 

**SIGNATURES**

Pursuant to the requirements of Section 13 or 15(d) of theSecurities Exchange Act of 1934, the registrant has duly caused this report tobe signed on its behalf by the undersigned, thereunto duly authorized.

UBS Commercial MortgageSecuritization Corp.(Depositor)

/s/Nicholas Galeone

NicholasGaleone, President

(senior officer in charge ofsecuritization of the depositor)

Date: March 21, 2024

/s/ AndrewLisa

Andrew Lisa, Director

Date: March 21, 2024