DBRS Limited (DBRS Morningstar) confirmed all ratings of the Commercial Mortgage Pass-Through Certificates on five BX Commercial Mortgage Trust transactions as follows.

BX Commercial Mortgage Trust 2020-VIVA (BX 2020-VIVA):

Class D at BBB (sf)

Class E at BBB (low) (sf)

BX Commercial Mortgage Trust 2020-VIV2 (BX 2020-VIV2):

Class C at A (sf)

BX Commercial Mortgage Trust 2020-VIV3 (BX 2020-VIV3):

Class B at AA (low) (sf)

BX Commercial Mortgage Trust 2020-VIV4 (BX 2020-VIV4):

Class A at AAA (sf)

Class X at AAA (sf)

BX Commercial Mortgage Trust 2021-VIV5 (BX 2021-VIV5):

Class A at AAA (sf)

Class X at AAA (sf)

All trends are Stable.

The collateral for these transactions, which have closing dates between May 2020 and October 2021, are certain components of a $3.0 billion first-priority mortgage loan encumbering both the MGM Grand and Mandalay Bay (MGM/Mandalay) properties in Las Vegas. The Issuer elected to issue components of the whole loan across these five transactions because of the market volatility caused by the Coronavirus Disease (COVID-19) pandemic. For a description of the debt pieces by transaction, please see the press release dated October 18, 2021, for the BX 2021-VIV5 transaction on the DBRS Morningstar website at www.dbrsmorningstar.com.

The rating confirmations reflect the overall stable performance since the initial issuance. The loan is interest only (IO) through the initial 10 years of its 12-year term. The sponsors, Blackstone Real Estate Income Trust (BREIT) and MGP, together with certain other parties, formed a joint venture (JV) to acquire the MGM/Mandalay properties for an aggregate purchase price of $4.6 billion ($471,892 per room). The borrowers, Mandalay PropCo, LLC and MGM Grand PropCo, LLC (which are subsidiaries of the JV), subsequently executed a 30-year triple-net master lease with two 10-year renewal options with the MGM/Mandalay Tenant, a wholly owned subsidiary of MGM Resorts.

DBRS Morningstar continues to monitor the ongoing effect of the coronavirus pandemic on operations at the MGM/Mandalay properties. Predictably, the operating cash flows and occupancy rates continue to be significantly depressed from their 2019 levels based on the trailing 12 months (T-12) ended June 30, 2021, figures. According to the T-12 ended June 30, 2021, financials, the MGM Grand and the Mandalay Bay properties reported an occupancy rate of 50.4% and 53.1%, respectively, all of which are well below the year-end (YE) 2019 occupancy rates of 91.4% and 92.8%, respectively. Although cash flow remains depressed as compared with historical figures, DBRS Morningstar notes the properties are trending in the right direction as the T-12 ended June 30, 2021, departmental income at the MGM Grand property reported a 66.8% increase over its YE2020 figure, while the Mandalay property reported a 44.7% increase over its YE2020 figure. In addition, tourism in Las Vegas has improved significantly since the start of the pandemic. According to the Review Journal, July 2021 was the strongest visitation month as 3.3 million travellers visited the city, which is a 50.3% increase from the first seven months of 2020.

DBRS Morningstar believes the mortgage loan that serves as collateral for the Certificates benefits from unique structural features that provide additional protection for bondholders. Notably, the master lease structure insulates the mortgage loan from direct exposure to the volatility of the properties' operating cash flows. The terms of the master lease require the MGM/Mandalay tenant to make an initial master lease payment of $292 million per year, with those payments to escalate by 2.0% through the lease's 15-year anniversary date. The lease payments escalate by the greater of 2.0% and CPI (with CPI capped at 3.0%) for the remainder of the lease term. The transaction also benefits from a guaranty provided by MGM Resorts, which covers payment and performance of the MGM/Mandalay Tenant's monetary obligations and certain other obligations under the master lease agreement. In addition to the payment and performance guaranty, MGM Resorts also executed a shortfall guaranty.

The DBRS Morningstar loan-to-value ratio of 65.97%, based on a 9.69% capitalization rate and a concluded valuation of $4.54 billion, represents a conservative leverage point with the ability to withstand a substantial realized decline in market value prior to mortgage impairment. In addition, the sponsors contributed a combined $1.6 million in cash equity to obtain the properties, suggesting there is massive incentive to continue supporting the loan through what is expected to be a temporary decline in performance for the underlying hotel properties.

A description of how DBRS Morningstar considers ESG factors within the DBRS Morningstar analytical framework can be found in the DBRS Morningstar Criteria: Approach to Environmental, Social, and Governance Risk Factors in Credit Ratings at https://www.dbrsmorningstar.com/research/373262.

Class X in the BX 2020-VIV4 transaction and Class X in the BX 2021-VIV5 transaction are interest-only (IO) certificates that reference a single rated tranche or multiple rated tranches. The IO rating mirrors the lowest-rated applicable reference obligation tranche adjusted upward by one notch if senior in the waterfall.

All ratings are subject to surveillance, which could result in ratings being upgraded, downgraded, placed under review, confirmed, or discontinued by DBRS Morningstar.

The DBRS Viewpoint platform provides additional information on this transaction and underlying loans including DBRS Morningstar metrics, commentary, servicer-reported cash flows, and other performance-related data.

For complimentary access to this content, please register for the DBRS Viewpoint platform at www.viewpoint.dbrsmorningstar.com The platform includes loan-level data for most outstanding CMBS transactions (including non-DBRS Morningstar-rated), as well as loan-level and transaction-level commentary for most DBRS Morningstar-rated and -monitored transactions.

Notes:

All figures are in U.S. dollars unless otherwise noted.

The principal methodology is North American CMBS Surveillance Methodology (March 26, 2021), which can be found on dbrsmorningstar.com under Methodologies & Criteria. For a list of the structured-finance-related methodologies that may be used during the rating process, please see the DBRS Morningstar Global Structured Finance Related Methodologies document, which can be found on dbrsmorningstar.com in the Commentary tab under Regulatory Affairs. Please note that not every related methodology listed under a principal structured finance asset class methodology may be used to rate or monitor an individual structured finance or debt obligation.

The DBRS Morningstar Sovereign group releases baseline macroeconomic scenarios for rated sovereigns. DBRS Morningstar analysis considered impacts consistent with the baseline scenarios as set forth in the following report: https://www.dbrsmorningstar.com/research/384482/baseline-macroeconomic-scenarios-application-to-credit-ratings.

The related regulatory disclosures pursuant to the National Instrument 25-101 Designated Rating Organizations are hereby incorporated by reference and can be found by clicking on the link under Related Documents or by contacting us at info@dbrsmorningstar.com.

The rated entity or its related entities did participate in the rating process for this rating action. DBRS Morningstar had have access to the accounts and other relevant internal documents of the rated entity or its related entities in connection with this rating action.

Please see the related appendix for additional information regarding the sensitivity of assumptions used in the rating process.

For more information on this credit or on this industry, visit www.dbrsmorningstar.com or contact us at info@dbrsmorningstar.com.

DBRS Limited

DBRS Tower, 181 University Avenue, Suite 700

Toronto, ON M5H 3M7 Canada

Tel. +1 416 593-5577

Ratings

BX Commercial Mortgage Trust 2020-VIV2

Date Issued	Debt Rated	Action	Rating	Trend	Attributesi

US = Lead Analyst based in USA

CA = Lead Analyst based in Canada

EU = Lead Analyst based in EU

UK = Lead Analyst based in UK

E = EU endorsed

U = UK endorsed

Unsolicited Participating With Access

Unsolicited Participating Without Access

Unsolicited Non-participating

11-Nov-21	Commercial Mortgage Pass-Through Certificates, Series 2020-VIV2, Class C	Confirmed	A (sf)	Stb	CA

BX Commercial Mortgage Trust 2020-VIV3

Date Issued	Debt Rated	Action	Rating	Trend	Attributesi

US = Lead Analyst based in USA

CA = Lead Analyst based in Canada

EU = Lead Analyst based in EU

UK = Lead Analyst based in UK

E = EU endorsed

U = UK endorsed

Unsolicited Participating With Access

Unsolicited Participating Without Access

Unsolicited Non-participating

11-Nov-21	Commercial Mortgage Pass-Through Certificates, Series 2020-VIV3, Class B	Confirmed	AA (low) (sf)	Stb	CA

BX Commercial Mortgage Trust 2020-VIV4

Date Issued	Debt Rated	Action	Rating	Trend	Attributesi

US = Lead Analyst based in USA

CA = Lead Analyst based in Canada

EU = Lead Analyst based in EU

UK = Lead Analyst based in UK

E = EU endorsed

U = UK endorsed

Unsolicited Participating With Access

Unsolicited Participating Without Access

Unsolicited Non-participating

11-Nov-21	Commercial Mortgage Pass-Through Certificates, Series 2020-VIV4, Class A	Confirmed	AAA (sf)	Stb	CA
11-Nov-21	Commercial Mortgage Pass-Through Certificates, Series 2020-VIV4, Class X	Confirmed	AAA (sf)	Stb	CA

BX Commercial Mortgage Trust 2020-VIVA

Date Issued	Debt Rated	Action	Rating	Trend	Attributesi

US = Lead Analyst based in USA

CA = Lead Analyst based in Canada

EU = Lead Analyst based in EU

UK = Lead Analyst based in UK

E = EU endorsed

U = UK endorsed

Unsolicited Participating With Access

Unsolicited Participating Without Access

Unsolicited Non-participating

11-Nov-21	Commercial Mortgage Pass-Through Certificates, Series 2020-VIVA, Class D	Confirmed	BBB (sf)	Stb	CA
11-Nov-21	Commercial Mortgage Pass-Through Certificates, Series 2020-VIVA, Class E	Confirmed	BBB (low) (sf)	Stb	CA

BX Commercial Mortgage Trust 2021-VIV5

Date Issued	Debt Rated	Action	Rating	Trend	Attributesi

US = Lead Analyst based in USA

CA = Lead Analyst based in Canada

EU = Lead Analyst based in EU

UK = Lead Analyst based in UK

E = EU endorsed

U = UK endorsed

Unsolicited Participating With Access

Unsolicited Participating Without Access

Unsolicited Non-participating

11-Nov-21	Commercial Mortgage Pass-Through Certificates, Series 2021-VIV5, Class A	Confirmed	AAA (sf)	Stb	CA
11-Nov-21	Commercial Mortgage Pass-Through Certificates, Series 2021-VIV5, Class X	Confirmed	AAA (sf)	Stb	CA

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