BANK 2017-BNK8

Data as of loan data through September 2026; ratings as held in the dataset at build

Current pool balance: $960.9M (September 2026)
Original pool balance: $1.13B
Loans at issuance: 53
Closing date: 2017-11-15
Weighted average coupon at issuance: 4.07%
Weighted average LTV at issuance: 40.7%
30+ delinquent (latest): 10.41%
Realized stress score: 57.7
Net rating change since issuance: +0.34 notches

Tranches

Class	Original balance	Credit support (computed)	Coupon	CUSIP	Fitch	KBRA	S&P	Moody's	DBRS
A-1	$17.2M	98.40%	2.122% fixed	06650AAA5	PIF	WR	not yet reported	WR	not yet reported
A-2	$11.4M	97.34%	2.583% fixed	06650AAB3	PIF	WR	not yet reported	WR	not yet reported
A-3	$330.0M	66.62%	3.229% fixed	06650AAD9	AAA	AAA	not yet reported	Aaa	not yet reported
A-4	$355.7M	33.51%	3.488% fixed	06650AAE7	AAA	AAA	not yet reported	Aaa	not yet reported
A-S	$65.8M	27.38%	3.731% fixed	06650AAH0	AAA	AAA	not yet reported	Aa2	not yet reported
A-SB	$37.7M	23.88%	3.314% fixed	06650AAC1	AAA	AAA	not yet reported	Aaa	not yet reported
B	$77.9M	16.63%	3.931% floating (WAC)	06650AAJ6	A-	AA	not yet reported	not yet reported	not yet reported
C	$48.3M	12.13%	4.075% floating (WAC)	06650AAK3	BBB-	A-	not yet reported	not yet reported	not yet reported
D	$56.4M	6.88%	2.600% fixed	06650AAU1	B	BB	not yet reported	not yet reported	not yet reported
E	$28.2M	4.25%	2.800% fixed	06650AAW7	CCC	not yet reported	not yet reported	not yet reported	not yet reported
F	$10.7M	3.25%	4.075% floating (WAC)	06650AAY3	CC	not yet reported	not yet reported	not yet reported	not yet reported
G	$34.9M	0.00%	4.075% floating (WAC)	06650ABA4	not yet reported	not yet reported	not yet reported	not yet reported	not yet reported
R	not yet reported	not yet reported	not yet reported	06650ABE6	not yet reported	not yet reported	not yet reported	not yet reported	not yet reported
V	not yet reported	not yet reported	not yet reported	06650ABD8	not yet reported	not yet reported	not yet reported	not yet reported	not yet reported
X-A	$752.0M	Interest only	0.754% floating	06650AAF4	AAA	AAA	not yet reported	Aaa	not yet reported
X-B	$192.0M	Interest only	0.176% floating	06650AAG2	A-	AAA	not yet reported	not yet reported	not yet reported
X-D	$56.4M	Interest only	1.475% floating	06650AAL1	B	BB	not yet reported	not yet reported	not yet reported
X-E	$28.2M	Interest only	1.275% floating	06650AAN7	CCC	not yet reported	not yet reported	not yet reported	not yet reported

Credit support is computed from the class stack order in the prospectus: the share of the deal's principal balance in classes junior to the class. Interest-only classes carry a notional balance and no principal support figure. Ratings are the latest held in the dataset for each class and agency; NR means the agency shows the class as not rated, WR that the rating was withdrawn, PIF that the class has been paid in full. Any other status value is shown exactly as the agency reports it. A + after a CUSIP marks a class with companion CUSIPs in the dataset.

Pool at issuance

Loans	53
Original loan balance	$1.19B
Weighted average coupon	4.07%
Weighted average LTV	40.7%
Median loan LTV	61.3%
Full-term interest only (share of balance)	67.3%
Balloon loans (share of balance)	100.0%
Largest loan (share of balance)	9.2%
Five largest loans (share of balance)	38.9%
Occupancy at issuance (weighted average)	93.5%

Realized outcomes

Months reported	107
Peak 30+ delinquency	10.41% (September 2026)
Ever severe (share of original balance)	10.26%
Ever modified (share of original balance)	8.51%
Past scheduled maturity (share of original balance)	0.00%
Non-performing matured (share of original balance)	19.97%
Maximum servicer advances (share of balance)	0.54%
Median DSCR, first year	2.10
Median DSCR, latest	1.87
Realized stress score	57.7

Property types

Property type	Original balance	Share of pool
Office	$505.9M	42.5%
Retail	$110.2M	9.3%
Lodging	$88.0M	7.4%
Multifamily	$61.6M	5.2%
Healthcare	$28.3M	2.4%
Industrial	$21.3M	1.8%
Other (code 98)	$3.6M	0.3%

Property type is reported for 68.8% of the pool balance; shares are of the full pool.

Largest loans

Property	Location	Original balance	Share of pool	Coupon	Originated
Griffin Portfolio	not yet reported	$110.0M	9.2%	3.77%	2017
PARK SQUARE	Boston, MA	$100.0M	8.4%	4.15%	2017
Defeased	not yet reported	$92.0M	7.7%	3.94%	2017
222 SECOND STREET	San Francisco, CA	$81.5M	6.8%	3.93%	2017
COLORADO CENTER	Santa Monica, CA	$80.0M	6.7%	3.56%	2017

Delinquency and stress indicator

▬ 30+ days delinquent · ▬ Distressed (90+, foreclosure, REO, non-performing matured)

Monthly shares of the deal's reported balance, from the deal indicator series in the dataset. Months in which fewer than half of the reported loans carry a delinquency status code are not plotted.

Ratings

Classes with a CUSIP	18 of 18
Classes with a current rating in the dataset	15 of 18
Net rating change since issuance	+0.34 notches (balance-weighted)
Delinquency threshold crossed	June 2020
First downgrade	July 2022

Sources: SEC Form ABS-EE asset-level reports, Form 10-D distribution reports and the deal prospectus; rating histories published under SEC Rule 17g-7(b) and agency releases. Definitions are in the methods note on the market page.