Citigroup Commercial Mortgage Trust 2017 B1

07/30/2024 | Press release | Distributed by Public on 07/30/2024 10:01

Asset Backed Issuer Distribution Report Form 10 D


Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
STATEMENT TO NOTEHOLDERS
July 17, 2024
TRANSACTION PARTIES
Depositor: Citigroup Commercial Mortgage Securities Inc.
Master Servicer: Wells Fargo Bank, National Association
Certificate Administrator: Citibank, N.A.
Special Servicer: LNR Partners, LLC
Trustee / Custodian: Deutsche Bank Trust Company Americas
Asset Representations Reviewer /
BellOak, LLC
Operating Advisor:
Danny Lee Citibank, Agency and Trust
(212) 816-4936 388 Greenwich Street Trading, 4th Floor
[email protected] New York, NY 10013
TABLE OF CONTENTS
1 . Distribution Summary 2
1.1 . Summary 2
1.2 . Factors 3
1.3 . Interest Detail 4
1.4 . Interest Shortfall Detail 5
1.5 . Principal Detail 6
2 . Reconciliation Detail 7
3 . Other Information 8
4 . Stratification Detail 9
5 . Mortgage Loan Detail 14
6 . NOI Detail 16
7 . Delinquency Loan Detail 18
8 . Collateral Performance Delinquency and Loan Status Detail 19
9 . Appraisal Reduction Detail 20
10 . Historical Appraisal Reduction Detail 21
11 . Loan Modification Detail 23
12 . Historical Loan Modification Detail 24
13 . Specially Serviced Loan Detail 28
14 . Historical Specially Serviced Loan Detail 29
15 . Unscheduled Principal Detail 33
16 . Historical Unscheduled Principal Detail 34
17 . Liquidated Loan Detail 35
18 . Historical Liquidated Loan Detail 36
19 . CREFC Investor Reporting Package Legends 37
20 . Notes 38
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
DISTRIBUTION SUMMARY
July 17, 2024
Accrual Other Non-Cash
Original Prior Pass-Through Day Interest (As Interest) Principal Total Realized Loss Balance Current
Class Balance Balance Rate Count Distributed Distributed Distributed Distributed /(Recovery) Change Balance
A-1 21,308,000.00 - 2.008000 % 30/360 - - - - - - -
A-2 52,843,000.00 - 3.053000 % 30/360 - - - - - - -
A-3 245,000,000.00 237,073,474.37 3.197000 % 30/360 631,603.25 - - 631,603.25 - - 237,073,474.37
A-4 268,110,000.00 268,110,000.00 3.458000 % 30/360 772,603.65 - - 772,603.65 - - 268,110,000.00
A-AB 38,890,000.00 26,391,412.80 3.243000 % 30/360 71,322.79 - 606,215.09 677,537.88 - - 25,785,197.71
A-S 89,450,000.00 89,450,000.00 3.711000 % 30/360 276,624.12 - - 276,624.12 - - 89,450,000.00
B 38,016,000.00 38,016,000.00 3.963000 % 30/360 125,547.84 - - 125,547.84 - - 38,016,000.00
C 36,899,000.00 36,899,000.00 4.111959 % 30/360 126,439.32 - - 126,439.32 - - 36,899,000.00
D 41,370,000.00 41,370,000.00 3.000000 % 30/360 103,425.00 - - 103,425.00 - - 41,370,000.00
E 21,245,000.00 21,245,000.00 3.300000 % 30/360 58,423.75 - - 58,423.75 - - 21,245,000.00
F 8,945,000.00 8,945,000.00 3.300000 % 30/360 24,598.75 - - 24,598.75 - - 8,945,000.00
G 8,945,000.00 8,945,000.00 3.300000 % 30/360 24,598.75 - - 24,598.75 - - 8,945,000.00
H 23,481,024.00 23,481,024.00 3.300000 % 30/360 21,039.60 - - 21,039.60 - - 23,481,024.00
R - - 0.000000 % 30/360 - - - - - - -
VRR 47,079,054.00 42,101,363.82 0.000000 % 30/360 141,974.69 - 31,906.06 173,880.75 - - 42,069,457.76
Total 941,581,078.00 842,027,274.99 2,378,201.51 - 638,121.15 3,016,322.66 - - 841,389,153.84
Notional
X-A 715,601,000.00 621,024,887.17 0.726290 % 30/360 375,870.34 - - 375,870.34 - (606,215.09 ) 620,418,672.08
X-B 38,016,000.00 38,016,000.00 0.148959 % 30/360 4,719.03 - - 4,719.03 - - 38,016,000.00
X-D 41,370,000.00 41,370,000.00 1.111959 % 30/360 38,334.79 - - 38,334.79 - - 41,370,000.00
X-E 21,245,000.00 21,245,000.00 0.811959 % 30/360 14,375.06 - - 14,375.06 - - 21,245,000.00
X-F 17,890,000.00 17,890,000.00 0.811959 % 30/360 12,104.96 - - 12,104.96 - - 17,890,000.00
X-H 23,481,024.00 23,481,024.00 0.811959 % 30/360 15,888.03 - - 15,888.03 - - 23,481,024.00
Total 857,603,024.00 763,026,911.17 461,292.21 - - 461,292.21 - (606,215.09 ) 762,420,696.08
Grand Total 1,799,184,102.00 1,605,054,186.16 2,839,493.72 - 638,121.15 3,477,614.87 - (606,215.09 ) 1,603,809,849.92
Reports Available at sf.citidirect.com v. 21.09.28 Page 2 of 38 © Copyright 2024 Citigroup

Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
DISTRIBUTION SUMMARY - FACTORS
July 17, 2024
Other Non-Cash
Record Interest (As Interest) Principal Total Realized Loss Balance Current
Class CUSIP Date Distributed Distributed Distributed Distributed /(Recovery) Change Balance
A-1 17326 CAW4 06/28/2024 - - - - - - -
A-2 17326 CAX2 06/28/2024 - - - - - - -
A-3 17326 CAY0 06/28/2024 2.57797245 - - 2.57797245 - - 967.64683416
A-4 17326 CAZ7 06/28/2024 2.88166667 - - 2.88166667 - - 1,000.00000000
A-AB 17326 CBA1 06/28/2024 1.83396220 - 15.58794266 17.42190486 - - 663.02899743
A-S 17326 CBB9 06/28/2024 3.09249994 - - 3.09249994 - - 1,000.00000000
X-A 17326 CBE3 06/28/2024 0.52525128 - - 0.52525128 - - 866.98966614
X-B 17326 CBF0 06/28/2024 0.12413273 - - 0.12413273 - - 1,000.00000000
X-D 17326CAJ3 U1740GAE4 17326CAK0 06/28/2024 0.92663258 - - 0.92663258 - - 1,000.00000000
X-E 17326CAL8 U1740GAF1 17326CAM6 06/28/2024 0.67663262 - - 0.67663262 - - 1,000.00000000
X-F 17326CAN4 U1740GAG9 17326CAP9 06/28/2024 0.67663276 - - 0.67663276 - - 1,000.00000000
X-H 17326CBK9 U1740GAM6 17326CBL7 06/28/2024 0.67663276 - - 0.67663276 - - 1,000.00000000
B 17326 CBC7 06/28/2024 3.30250000 - - 3.30250000 - - 1,000.00000000
C 17326 CBD5 06/28/2024 3.42663270 - - 3.42663270 - - 1,000.00000000
D 17326CAA2 U1740GAA2 17326CAB0 06/28/2024 2.50000000 - - 2.50000000 - - 1,000.00000000
E 17326CAC8 U1740GAB0 17326CAD6 06/28/2024 2.75000000 - - 2.75000000 - - 1,000.00000000
F 17326CAE4 U1740GAC8 17326CAF1 06/28/2024 2.75000000 - - 2.75000000 - - 1,000.00000000
G 17326CAG9 U1740GAD6 17326CAH7 06/28/2024 2.75000000 - - 2.75000000 - - 1,000.00000000
H 17326CBG8 U1740GAL8 17326CBH6 06/28/2024 0.89602566 - - 0.89602566 - - 1,000.00000000
R 17326 CAU8 06/28/2024 - - - - - - -
VRR 17326 CAT1 06/28/2024 3.01566574 - 0.67771243 3.69337816 - - 893.59182451
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
DISTRIBUTION INFORMATION - INTEREST DETAIL
July 17, 2024
Rate Interest Shortfall Paid
Accrual Net Non Carry Basis Carry
Class Uncapped Capped Next Dates Accrued Deferred Recovered Forward Risk Accrued Forward Basis Risk Total
A-1 2.00800 % 2.00800 % 2.00800 % 06/01-06/30 - - - - - - - - -
A-2 3.05300 % 3.05300 % 3.05300 % 06/01-06/30 - - - - - - - - -
A-3 3.19700 % 3.19700 % 3.19700 % 06/01-06/30 631,603.25 - - - - 631,603.25 - - 631,603.25
A-4 3.45800 % 3.45800 % 3.45800 % 06/01-06/30 772,603.65 - - - - 772,603.65 - - 772,603.65
A-AB 3.24300 % 3.24300 % 3.24300 % 06/01-06/30 71,322.79 - - - - 71,322.79 - - 71,322.79
A-S 3.71100 % 3.71100 % 3.71100 % 06/01-06/30 276,624.12 - - - - 276,624.12 - - 276,624.12
B 3.96300 % 3.96300 % 3.96300 % 06/01-06/30 125,547.84 - - - - 125,547.84 - - 125,547.84
C 4.31828 % 4.11196 % 4.11196 % 06/01-06/30 126,439.32 - - - - 126,439.32 - - 126,439.32
D 3.00000 % 3.00000 % 3.00000 % 06/01-06/30 103,425.00 - - - - 103,425.00 - - 103,425.00
E 3.30000 % 3.30000 % 3.30000 % 06/01-06/30 58,423.75 - - - - 58,423.75 - - 58,423.75
F 3.30000 % 3.30000 % 3.30000 % 06/01-06/30 24,598.75 - - - - 24,598.75 - - 24,598.75
G 3.30000 % 3.30000 % 3.30000 % 06/01-06/30 24,598.75 - - - - 24,598.75 - - 24,598.75
H 3.30000 % 3.30000 % 3.30000 % 06/01-06/30 64,572.82 - - 47,067.77 - 21,039.60 - - 21,039.60
R 0.00000 % 0.00000 % 0.00000 % 06/01-06/30 - - - - - - - - -
VRR 0.00000 % 0.00000 % 0.00000 % 06/01-06/30 141,974.69 - - - - 141,974.69 - - 141,974.69
Total 2,421,734.73 - - 47,067.77 - 2,378,201.51 - - 2,378,201.51
Notional
X-A 1.00278 % 0.72629 % 0.72629 % 06/01-06/30 375,870.34 - - - - 375,870.34 - - 375,870.34
X-B 0.35528 % 0.14896 % 0.14896 % 06/01-06/30 4,719.03 - - - - 4,719.03 - - 4,719.03
X-D 1.31828 % 1.11196 % 1.11196 % 06/01-06/30 38,334.79 - - - - 38,334.79 - - 38,334.79
X-E 1.01828 % 0.81196 % 0.81196 % 06/01-06/30 14,375.06 - - - - 14,375.06 - - 14,375.06
X-F 1.01828 % 0.81196 % 0.81196 % 06/01-06/30 12,104.96 - - - - 12,104.96 - - 12,104.96
X-H 1.01828 % 0.81196 % 0.81196 % 06/01-06/30 15,888.03 - - - - 15,888.03 - - 15,888.03
Total 461,292.21 - - - - 461,292.21 - - 461,292.21
Grand Total 2,883,026.94 - - 47,067.77 - 2,839,493.72 - - 2,839,493.72
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
DISTRIBUTION INFORMATION - INTEREST SHORTFALL DETAIL
July 17, 2024
Non-Recov Shortfall Carry Forward Interest Basis Risk Shortfall
Other
Class PPIS SSRA Shortfall Prior Int. on Prior New Paid Outstanding Prior Int. on Prior New Paid Outstanding
A-1 - - - - - - - - - - - - -
A-2 - - - - - - - - - - - - -
A-3 - - - - - - - - - - - - -
A-4 - - - - - - - - - - - - -
A-AB - - - - - - - - - - - - -
A-S - - - - - - - - - - - - -
B - - - - - - - - - - - - -
C - - - - - - - - - - - - -
D - - - - - - - - - - - - -
E - - - - - - - - - - - - -
F - - - - - - - - - - - - -
G - - - - - - - - - - - - -
H - - - 1,285,292.24 3,534.55 43,533.22 - 1,332,360.01 - - - - -
R - - - - - - - - - - - - -
VRR - - - - - - - - - - - - -
Total - - - 1,285,292.24 3,534.55 43,533.22 - 1,332,360.01 - - - - -
Notional
X-A - - - - - - - - - - - - -
X-B - - - - - - - - - - - - -
X-D - - - - - - - - - - - - -
X-E - - - - - - - - - - - - -
X-F - - - - - - - - - - - - -
X-H - - - - - - - - - - - - -
Total - - - - - - - - - - - - -
Grand Total - - - 1,285,292.24 3,534.55 43,533.22 - 1,332,360.01 - - - - -
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
DISTRIBUTION INFORMATION - PRINCIPAL DETAIL
July 17, 2024
Non-Cash Cumulative
Prior Principal Accreted Realized Loss Balance Current Realized Class % Class % Sub % Sub %
Class Balance Distributed Principal /(Recovery) Change Balance Loss Original Current Original Current
A-1 - - - - - - - 2.26 % 0.00 % 30.00 % 33.57 %
A-2 - - - - - - - 5.61 % 0.00 % 30.00 % 33.57 %
A-3 237,073,474.37 - - - - 237,073,474.37 - 26.02 % 28.18 % 30.00 % 33.57 %
A-4 268,110,000.00 - - - - 268,110,000.00 - 28.47 % 31.87 % 30.00 % 33.57 %
A-AB 26,391,412.80 606,215.09 - - - 25,785,197.71 - 4.13 % 3.06 % 30.00 % 33.57 %
A-S 89,450,000.00 - - - - 89,450,000.00 - 9.50 % 10.63 % 20.00 % 22.38 %
B 38,016,000.00 - - - - 38,016,000.00 - 4.04 % 4.52 % 15.75 % 17.63 %
C 36,899,000.00 - - - - 36,899,000.00 - 3.92 % 4.39 % 11.63 % 13.01 %
D 41,370,000.00 - - - - 41,370,000.00 - 4.39 % 4.92 % 7.00 % 7.83 %
E 21,245,000.00 - - - - 21,245,000.00 - 2.26 % 2.52 % 4.63 % 5.18 %
F 8,945,000.00 - - - - 8,945,000.00 - 0.95 % 1.06 % 3.63 % 4.06 %
G 8,945,000.00 - - - - 8,945,000.00 - 0.95 % 1.06 % 2.62 % 2.94 %
H 23,481,024.00 - - - - 23,481,024.00 - 2.49 % 2.79 % 0.00 % 0.00 %
R - - - - - - - 0.00 % 0.00 % 0.00 % 0.00 %
VRR 42,101,363.82 31,906.06 - - - 42,069,457.76 - 5.00 % 5.00 % 0.00 % 0.00 %
Total 842,027,274.99 638,121.15 - - - 841,389,153.84 - 99.99 % 100.00 %
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
RECONCILIATION DETAIL
July 17, 2024
SOURCE OF FUNDS ALLOCATION OF FUNDS
Interest Funds Available Scheduled Fees
Scheduled Interest 2,859,971.97 Servicing Fee 4,598.32
Prepayment Interest Shortfall - Trustee/Certificate Administrator Fee 4,631.15
Interest Adjustments - Operating Advisor Fee 757.82
ASER Amount - Asset Representations Reviewer Ongoing Fee 163.20
Realized Loss in Excess of Principal Balance - CREFC Intellectual Property Royalty License Fee 350.82
Total Interest Funds Available 2,859,971.97 Total Scheduled Fees 10,501.31
Principal Funds Available Additional Fees, Expenses, etc.
Scheduled Principal 638,121.15 Additional Servicing Fee -
Curtailments - Special Servicing Fee 7,000.00
Unscheduled Principal Collections - Work-out Fee 2,976.94
Net Liquidation Proceeds - Liquidation Fee -
Repurchased Principal - Trust Fund Expenses -
Substitution Principal - Trust Advisor Expenses -
Other Principal - Reimbursement of Interest on Advances to the Servicer -
Borrower Reimbursable Trust Fund Expenses -
Total Principal Funds Available 638,121.15
Other Expenses -
Other Funds Available
Yield Maintenance Charges - Total Additional Fees, Expenses, etc. 9,976.94
Withdrawal of Withheld Amounts from the Interest Reserve Distributions
Account -
Interest Distribution 2,839,493.72
Deposit of Withheld Amounts to the Interest Reserve Account -
Principal Distribution 638,121.15
Total Other Funds Available - Yield Maintenance Charge Distribution -
Total Distributions 3,477,614.87
Total Funds Available 3,498,093.12 Total Funds Allocated 3,498,093.12
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
OTHER INFORMATION
Interest Reserve Account Information
July 17, 2024
Beginning Interest Reserve Account Balance 0.00
Deposit of Withheld Amounts to the Interest Reserve Account 0.00
Withdrawal of Withheld Amounts from the Interest Reserve Account 0.00
Ending Interest Reserve Account Balance 0.00
Excess Liquidation Proceeds Reserve Account Information
Beginning Excess Liquidation Proceeds Reserve Account Balance 0.00
Deposit to the Excess Liquidation Proceeds Reserve Account 0.00
Withdrawal from the Excess Liquidation Proceeds Reserve Account 0.00
Ending Excess Liquidation Proceeds Reserve Account Balance 0.00
ARD Mortgage Loan Information
Excess Interest 0.00
Collateral Information
% of Cut-Off Principal Balance Outstanding 89.359182 %
Controlling Class Information
The Controlling Class is Class H.
The Controlling Class Representative is Investin Pro RED Holdings, LLC
There Are No Disclosable Special Servicer Fees.
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
STRATIFICATION DETAIL
July 17, 2024
Anticipated Remaining Term
Anticipated Remaining Asset Ending Scheduled % of Wtd Avg
Term Range Count Balance Agg.Bal. WAC WAM DSCR
60 Months or Less 48 841,389,153.87 100.00 4.1267 36 2.126375
61 to 90 Months 0 0.00 0.00 0.0000 0 0.000000
91 Months or Greater 0 0.00 0.00 0.0000 0 0.000000
Total 48 841,389,153.87 100.00 4.1267 36 2.126375
Debt Service Coverage Ratio
Debt Service Coverage Asset Ending Scheduled % of Wtd Avg
Ratio Range Count Balance Agg.Bal. WAC WAM DSCR
1.250 or Less 7 138,587,520.83 16.47 3.8319 34 0.287750
1.251 to 1.500 7 94,094,792.67 11.18 4.3653 35 1.335060
1.501 to 1.750 7 114,682,415.31 13.63 4.5310 37 1.638032
1.751 to 2.000 2 47,339,744.50 5.63 4.3498 36 1.783774
2.001 to 2.250 9 138,169,952.38 16.42 4.1867 36 2.153354
2.251 to 2.500 5 82,978,223.57 9.86 4.1576 36 2.335204
2.501 to 2.750 1 21,185,680.12 2.52 4.4200 37 2.662900
2.751 to 3.000 1 22,522,500.00 2.68 4.1600 36 2.918200
3.001 to 3.250 2 9,791,324.49 1.16 4.3957 37 3.072683
3.251 to 3.500 1 6,850,000.00 0.81 4.4050 37 3.424300
3.501 to 3.750 0 0.00 0.00 0.0000 0 0.000000
3.751 to 4.000 2 47,730,000.00 5.67 4.0153 36 3.908767
4.001 or Greater 4 117,457,000.00 13.96 3.6536 36 4.237833
Total 48 841,389,153.87 100.00 4.1267 36 2.126375
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
STRATIFICATION DETAIL
July 17, 2024
Ending Schedule Balance
Ending Schedule Balance Asset Ending Scheduled % of Wtd Avg
Range Count Balance Agg.Bal. WAC WAM DSCR
1 to 5,000,000 5 17,657,106.64 2.10 4.7996 36 1.748588
10,000,001 to 15,000,000 4 53,171,768.66 6.32 4.1749 35 1.370947
15,000,001 to 20,000,000 2 30,700,000.00 3.65 3.3795 36 -0.660290
20,000,001 to 25,000,000 9 202,282,254.84 24.04 4.0679 35 2.811665
25,000,001 to 30,000,000 1 30,000,000.00 3.57 4.3660 37 1.622100
30,000,001 to 35,000,000 1 30,527,083.16 3.63 4.7240 37 2.375500
35,000,001 to 40,000,000 2 77,500,000.00 9.21 3.6932 36 2.028077
40,000,001 to 45,000,000 1 41,700,000.00 4.96 4.3200 37 1.763200
45,000,001 to 50,000,000 1 48,319,247.98 5.74 4.6300 37 1.642000
5,000,001 to 10,000,000 19 145,757,158.66 17.32 4.4954 36 2.047171
50,000,001 to 55,000,000 2 104,774,533.93 12.45 3.7782 36 2.665613
55,000,001 to 60,000,000 1 59,000,000.00 7.01 3.7700 37 2.168800
60,000,001 to 65,000,000 0 0.00 0.00 0.0000 0 0.000000
65,000,001 to 70,000,000 0 0.00 0.00 0.0000 0 0.000000
70,000,001 to 75,000,000 0 0.00 0.00 0.0000 0 0.000000
75,000,001 to 80,000,000 0 0.00 0.00 0.0000 0 0.000000
80,000,001 to 85,000,000 0 0.00 0.00 0.0000 0 0.000000
85,000,000+ 0 0.00 0.00 0.0000 0 0.000000
Total 48 841,389,153.87 100.00 4.1267 36 2.126375
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
STRATIFICATION DETAIL
July 17, 2024
Loan Rate
Asset Ending Scheduled % of Wtd Avg
Loan Rate Range Count Balance Agg.Bal. WAC WAM DSCR
4.00 or Less 11 312,157,000.00 37.10 3.6095 36 2.366791
4.01 to 4.25 7 145,278,623.40 17.27 4.1445 34 2.105210
4.26 to 4.50 13 179,283,671.55 21.31 4.3653 36 2.170811
4.51 to 4.75 10 162,122,607.98 19.27 4.6429 36 1.834570
4.76 to 5.00 6 38,442,898.93 4.57 4.8638 35 1.355387
5.01 to 5.25 1 4,104,352.01 0.49 5.1100 36 1.397300
5.26 to 5.50 0 0.00 0.00 0.0000 0 0.000000
5.51 to 5.75 0 0.00 0.00 0.0000 0 0.000000
5.76 to 6.00 0 0.00 0.00 0.0000 0 0.000000
6.01 to 6.25 0 0.00 0.00 0.0000 0 0.000000
6.26 to 6.50 0 0.00 0.00 0.0000 0 0.000000
6.51 to 6.75 0 0.00 0.00 0.0000 0 0.000000
6.76 to 7.00 0 0.00 0.00 0.0000 0 0.000000
7.01 or Greater 0 0.00 0.00 0.0000 0 0.000000
Total 48 841,389,153.87 100.00 4.1267 36 2.126375
Property Type
Asset Ending Scheduled % of Wtd Avg
Property Type Range Count Balance Agg.Bal. WAC WAM DSCR
Industrial 0 0.00 0.00 0.0000 0 0.000000
Lodging 4 109,726,351.55 13.04 4.6231 37 2.039514
Mixed Use 7 161,969,459.42 19.25 3.7889 36 3.419617
Multifamily 3 71,504,180.99 8.50 4.2868 36 2.177402
Office 8 128,774,666.78 15.31 4.2482 36 1.092354
Other 5 87,166,837.12 10.36 3.6094 36 0.503984
Retail 11 184,795,107.84 21.96 4.1416 35 1.990511
Self Storage 9 91,522,954.10 10.88 4.2443 36 3.170548
Total 48 841,389,153.87 100.00 4.1267 36 2.126375
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
STRATIFICATION DETAIL
July 17, 2024
Remaining Amortization Term
Remaining Amortization Asset Ending Scheduled % of Wtd Avg
Term Range Count Balance Agg.Bal. WAC WAM DSCR
240 Months or Less 23 520,096,276.53 61.81 3.8786 36 2.348254
241 to 270 Months 1 48,319,247.98 5.74 4.6300 37 1.642000
271 to 300 Months 24 272,973,629.36 32.44 4.5103 36 1.789369
301 Months or Greater 0 0.00 0.00 0.0000 0 0.000000
Total 48 841,389,153.87 100.00 4.1267 36 2.126375
Seasoning
Asset Ending Scheduled % of Wtd Avg
Seasoning Range Count Balance Agg.Bal. WAC WAM DSCR
12 Months or Less 0 0.00 0.00 0.0000 0 0.000000
13 to 24 Months 0 0.00 0.00 0.0000 0 0.000000
25 to 36 Months 0 0.00 0.00 0.0000 0 0.000000
37 to 48 Months 0 0.00 0.00 0.0000 0 0.000000
49 Months or Greater 48 841,389,153.87 100.00 4.1267 36 2.126375
Total 48 841,389,153.87 100.00 4.1267 36 2.126375
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
STRATIFICATION DETAIL
July 17, 2024
State
Asset Ending Scheduled % of Wtd Avg
State Range Count Balance Agg.Bal. WAC WAM DSCR
Alabama 0 0.00 0.00 0.0000 0 0.000000
Arizona 0 0.00 0.00 0.0000 0 0.000000
California 3 77,030,374.05 9.16 4.3835 36 2.296897
Florida 4 31,605,000.00 3.76 4.2439 36 3.066036
Georgia 0 0.00 0.00 0.0000 0 0.000000
Illinois 3 16,141,122.61 1.92 4.8530 36 1.264147
Indiana 1 4,781,151.11 0.57 4.7900 36 1.381200
Kansas 1 13,456,426.61 1.60 4.8500 33 1.408000
Kentucky 0 0.00 0.00 0.0000 0 0.000000
Maryland 0 0.00 0.00 0.0000 0 0.000000
Michigan 1 22,080,824.72 2.62 4.5900 37 1.194200
N/A 3 67,700,000.00 8.05 3.4300 36 0.000000
Nevada 1 9,669,459.42 1.15 4.2591 36 2.445300
New Jersey 0 0.00 0.00 0.0000 0 0.000000
New York 11 237,344,388.34 28.21 3.9397 36 2.392240
North Carolina 0 0.00 0.00 0.0000 0 0.000000
Ohio 1 7,281,680.99 0.87 4.4890 36 2.258100
Pennsylvania 1 23,000,000.00 2.73 4.0510 36 4.564500
Texas 5 55,729,463.56 6.62 4.3854 36 2.208299
Various 0 0.00 0.00 0.0000 0 0.000000
Total 48 841,389,153.87 100.00 4.1267 36 2.126375
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
MORTGAGE LOAN DETAIL
July 17, 2024
Prop Paid Beginning Ending Payment Workout Mod
Type Through Gross Interest Principal Scheduled Scheduled Maturity Status Strategy Code
Loan ID OMCR (1) City State Date Coupon Payment Payment Balance Balance Date (2 ) (3 ) (4 )
304101882 1 MU New York NY 07/09/2024 3.43000 % 71,458.33 - 25,000,000.00 25,000,000.00 06/09/2027 0 0 0
304101843 10 RT New York NY 07/06/2024 4.36600 % 109,150.00 - 30,000,000.00 30,000,000.00 08/06/2027 0 0 0
1749262 11 OF Troy MI 07/01/2024 4.59000 % 84,627.55 44,024.24 22,124,848.96 22,080,824.72 08/01/2027 0 0 0
1647690 12 RT Various XX 07/01/2024 4.19000 % 85,672.41 - 24,536,250.00 24,536,250.00 11/01/2026 0 0 0
1749833 13 LO Lafayette LA 07/01/2024 4.42000 % 78,193.32 43,276.89 21,228,957.01 21,185,680.12 08/01/2027 0 0 8
300801642 14 MU Lahaska PA 07/01/2024 4.05100 % 77,644.17 - 23,000,000.00 23,000,000.00 07/01/2027 0 0 0
1749778 15 MF Dallas TX 07/01/2024 4.16000 % 78,078.00 - 22,522,500.00 22,522,500.00 07/01/2027 0 0 0
304101831 16 MU Corona NY 07/06/2024 4.36000 % 79,933.33 - 22,000,000.00 22,000,000.00 07/06/2027 0 0 0
300801633 17 MU New Rochelle NY 07/01/2024 3.80000 % 68,083.33 - 21,500,000.00 21,500,000.00 07/01/2027 0 0 0
308511018 18 RT Torrance CA 07/01/2024 3.65750 % 62,351.23 - 20,457,000.00 20,457,000.00 06/01/2027 0 0 0
304101851 19 OF New York NY 07/06/2024 3.33000 % 43,012.50 - 15,500,000.00 15,500,000.00 08/06/2027 0 0 0
304101891 1 A N/A 07/09/2024 3.43000 % 42,875.00 - 15,000,000.00 15,000,000.00 06/09/2027 0 0 0
453011619 1 B N/A 07/09/2024 3.43000 % 43,446.67 - 15,200,000.00 15,200,000.00 06/09/2027 0 0 0
453011576 1 C N/A 07/09/2024 3.43000 % 107,187.50 - 37,500,000.00 37,500,000.00 06/09/2027 0 0 0
1749343 2 RT Metairie LA 07/01/2024 3.77000 % 185,358.33 - 59,000,000.00 59,000,000.00 08/01/2027 0 0 0
300801632 20 OF Wichita KS 07/01/2024 4.85000 % 54,491.40 25,981.60 13,482,408.21 13,456,426.61 04/01/2027 0 0 0
304101858 21 SS Various XX 07/06/2024 4.51000 % 53,514.66 23,591.85 14,238,933.90 14,215,342.05 08/06/2027 0 0 0
1749084 22 RT Plano TX 07/01/2024 4.64000 % 32,463.92 39,641.35 8,395,841.63 8,356,200.28 08/01/2027 0 0 0
1648607 24 LO El Paso TX 07/01/2024 4.71500 % 38,165.27 18,984.11 9,713,324.40 9,694,340.29 08/01/2027 0 8 8
1749362 25 OF Houston TX 07/01/2024 4.25000 % 33,775.80 20,017.83 9,536,696.32 9,516,678.49 07/01/2027 0 0 0
304101839 26 N/A Maitland FL 07/06/2024 3.92000 % 34,300.00 - 10,500,000.00 10,500,000.00 07/06/2027 0 0 0
1647637 27 OF Rochester NY 07/01/2024 4.28000 % 30,678.20 25,837.41 8,601,363.94 8,575,526.53 08/01/2027 0 11 0
308511028 28 N/A Various XX 07/01/2024 4.60000 % 34,441.31 17,852.26 8,984,689.38 8,966,837.12 08/01/2027 0 0 0
203041833 29 MU Reno NV 07/06/2024 4.25906 % 34,371.80 14,875.24 9,684,334.66 9,669,459.42 07/06/2027 0 0 0
1749761 3 OF Milwaukee WI 07/01/2024 4.14000 % 180,666.06 92,439.85 52,366,973.78 52,274,533.93 07/01/2027 0 0 0
304101859 30 RT Chicago IL 01/06/2020 4.91000 % - - 8,770,446.11 8,770,446.11 08/06/2027 3 2 0
304101862 31 RT Ka'anapali HI 07/06/2024 4.08000 % 28,512.21 14,871.29 8,385,943.75 8,371,072.46 08/06/2027 0 0 0
308511032 32 RT Hercules CA 07/06/2024 4.74000 % 32,649.77 11,639.03 8,265,765.10 8,254,126.07 08/06/2027 0 0 0
1749956 33 MU Brooklyn NY 07/01/2024 4.40000 % 30,433.33 - 8,300,000.00 8,300,000.00 08/01/2027 0 0 0
300801641 34 MF Marysville OH 07/01/2024 4.48900 % 27,285.14 12,185.35 7,293,866.34 7,281,680.99 07/01/2027 0 0 0
300801651 35 SS Miami Gardens FL 07/01/2024 4.40500 % 28,375.54 - 7,730,000.00 7,730,000.00 08/01/2027 0 0 0
300801648 36 SS Hialeah FL 07/01/2024 4.40500 % 25,145.21 - 6,850,000.00 6,850,000.00 08/01/2027 0 0 0
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
MORTGAGE LOAN DETAIL
July 17, 2024
Prop Paid Beginning Ending Payment Workout Mod
Type Through Gross Interest Principal Scheduled Scheduled Maturity Status Strategy Code
Loan ID OMCR (1) City State Date Coupon Payment Payment Balance Balance Date (2 ) (3 ) (4 )
300801649 37 SS Hialeah FL 07/01/2024 4.40500 % 23,952.19 - 6,525,000.00 6,525,000.00 08/01/2027 0 0 0
1749521 38 RT Saugerties NY 08/01/2024 4.73000 % 23,955.22 8,572.44 6,077,434.25 6,068,861.81 08/01/2027 0 0 0
304101856 39 RT Brooklyn NY 07/06/2024 4.45000 % 22,991.67 - 6,200,000.00 6,200,000.00 08/06/2027 0 0 0
304101861 4 LO San Diego CA 07/06/2024 4.63000 % 186,859.40 110,834.21 48,430,082.19 48,319,247.98 08/06/2027 0 8 8
300801659 40 MH Brookings OR 07/01/2024 4.92000 % 24,344.57 8,103.95 5,937,700.02 5,929,596.07 08/01/2027 0 0 0
304101838 41 SS Balch Springs TX 07/06/2024 4.57000 % 21,513.51 9,316.47 5,649,060.97 5,639,744.50 07/06/2027 0 0 0
300801640 42 SS Castle Rock CO 07/01/2024 4.23500 % 17,882.15 9,371.80 5,066,960.32 5,057,588.52 07/01/2027 0 0 0
1749567 43 RT Goshen IN 07/01/2024 4.79000 % 19,117.23 8,133.95 4,789,285.06 4,781,151.11 07/01/2027 0 0 0
1749823 45 OF Barrington IL 07/01/2024 5.11000 % 17,510.19 7,629.66 4,111,981.67 4,104,352.01 07/01/2027 0 0 0
300801653 46 SS Shreveport LA 07/01/2024 4.77300 % 15,313.98 6,522.71 3,850,151.22 3,843,628.51 08/01/2027 0 0 0
300801652 47 OF Skokie IL 07/01/2024 4.37700 % 11,935.41 5,893.29 3,272,217.78 3,266,324.49 08/01/2027 0 0 0
300801650 48 SS Baton Rouge LA 07/01/2024 4.95300 % 6,869.78 2,741.37 1,664,391.89 1,661,650.52 08/01/2027 0 0 0
300801657 5 MU Bronx NY 07/01/2024 3.41800 % 149,537.50 - 52,500,000.00 52,500,000.00 08/01/2027 0 0 0
304101849 7 MF New York NY 07/06/2024 4.32000 % 150,120.00 - 41,700,000.00 41,700,000.00 08/06/2027 0 0 0
308511008 8 SS Various XX 07/06/2024 3.94000 % 131,333.33 - 40,000,000.00 40,000,000.00 07/06/2027 0 0 0
300801656 9 LO Various XX 07/01/2024 4.72400 % 120,394.55 55,783.00 30,582,866.16 30,527,083.16 08/01/2027 0 0 0
Total Count = 48 2,859,971.97 638,121.15 842,027,275.02 841,389,153.87
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
NOI DETAIL
July 17, 2024
Property Ending Preceding Most Most Recent Most Recent
Type Scheduled Fiscal Recent Financial As of Financial Asof
Loan ID OMCR (1) City State Balance Year NOI NOI Start Date End Date
304101882 1 MU New York NY 25,000,000.00 192,107,241.44 47,146,733.18 01/01/2024 03/31/2024
304101843 10 RT New York NY 30,000,000.00 1,149,081.17 1,652,930.66 01/01/2023 09/30/2023
1749262 11 OF Troy MI 22,080,824.72 2,664,327.97 597,894.88 01/01/2024 03/31/2024
1647690 12 RT Various XX 24,536,250.00 1,325,632.49 395,330.58 01/01/2024 03/31/2024
1749833 13 LO Lafayette LA 21,185,680.12 4,332,656.00 4,418,154.00 04/01/2023 03/31/2024
300801642 14 MU Lahaska PA 23,000,000.00 2,546,109.66 1,121,932.40 01/01/2024 03/31/2024
1749778 15 MF Dallas TX 22,522,500.00 2,571,273.00 713,148.47 01/01/2024 03/31/2024
304101831 16 MU Corona NY 22,000,000.00 2,150,812.47 550,571.24 01/01/2024 03/31/2024
300801633 17 MU New Rochelle NY 21,500,000.00 3,999,789.41 3,049,321.97 Not Available Not Available
308511018 18 RT Torrance CA 20,457,000.00 59,104,531.00 43,330,349.00 Not Available Not Available
304101851 19 OF New York NY 15,500,000.00 646,698.51 (119,489.48 ) Not Available Not Available
304101891 1 A N/A 15,000,000.00 - - Not Available Not Available
453011619 1 B N/A 15,200,000.00 - - Not Available Not Available
453011576 1 C N/A 37,500,000.00 - - Not Available Not Available
1749343 2 RT Metairie LA 59,000,000.00 16,595,352.74 11,995,780.74 Not Available Not Available
300801632 20 OF Wichita KS 13,456,426.61 1,230,397.39 1,088,531.98 Not Available Not Available
304101858 21 SS Various XX 14,215,342.05 1,988,476.79 494,556.75 01/01/2024 03/31/2024
1749084 22 RT Plano TX 8,356,200.28 1,272,584.00 966,211.00 Not Available Not Available
1648607 24 LO El Paso TX 9,694,340.29 1,507,765.38 1,421,394.64 04/01/2023 03/31/2024
1749362 25 OF Houston TX 9,516,678.49 1,270,602.00 310,633.68 01/01/2024 03/31/2024
304101839 26 N/A Maitland FL 10,500,000.00 936,702.00 236,494.00 01/01/2024 03/31/2024
1647637 27 OF Rochester NY 8,575,526.53 1,739,971.00 1,477,918.00 01/01/2024 03/31/2024
308511028 28 N/A Various XX 8,966,837.12 1,486,576.00 1,083,641.00 Not Available Not Available
203041833 29 MU Reno NV 9,669,459.42 12,310,537.72 3,123,400.97 01/01/2024 03/31/2024
1749761 3 OF Milwaukee WI 52,274,533.93 9,026,935.30 6,815,948.94 Not Available Not Available
304101859 30 RT Chicago IL 8,770,446.11 384,123.00 84,600.00 Not Available Not Available
304101862 31 RT Ka'anapali HI 8,371,072.46 860,189.02 251,605.04 01/01/2024 03/31/2024
308511032 32 RT Hercules CA 8,254,126.07 908,887.00 228,238.00 01/01/2024 03/31/2024
1749956 33 MU Brooklyn NY 8,300,000.00 516,555.07 125,237.02 01/01/2024 03/31/2024
300801641 34 MF Marysville OH 7,281,680.99 1,103,850.00 275,677.75 01/01/2024 03/31/2024
300801651 35 SS Miami Gardens FL 7,730,000.00 1,323,803.56 330,800.62 01/01/2024 03/31/2024
300801648 36 SS Hialeah FL 6,850,000.00 1,112,332.28 263,751.59 01/01/2024 03/31/2024
Reports Available at sf.citidirect.com v. 21.09.28 Page 16 of 38 © Copyright 2024 Citigroup

Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
NOI DETAIL
July 17, 2024
Property Ending Preceding Most Most Recent Most Recent
Type Scheduled Fiscal Recent Financial As of Financial Asof
Loan ID OMCR (1) City State Balance Year NOI NOI Start Date End Date
300801649 37 SS Hialeah FL 6,525,000.00 1,005,319.28 227,429.00 01/01/2024 03/31/2024
1749521 38 RT Saugerties NY 6,068,861.81 709,136.26 501,223.77 Not Available Not Available
304101856 39 RT Brooklyn NY 6,200,000.00 521,170.85 330,075.00 Not Available Not Available
304101861 4 LO San Diego CA 48,319,247.98 6,170,340.52 6,648,712.35 04/01/2023 03/31/2024
300801659 40 MH Brookings OR 5,929,596.07 792,245.45 654,255.59 Not Available Not Available
304101838 41 SS Balch Springs TX 5,639,744.50 688,898.78 542,533.41 Not Available Not Available
300801640 42 SS Castle Rock CO 5,057,588.52 697,896.91 169,464.43 01/01/2024 03/31/2024
1749567 43 RT Goshen IN 4,781,151.11 492,742.83 363,910.10 Not Available Not Available
1749823 45 OF Barrington IL 4,104,352.01 517,661.24 118,073.31 01/01/2024 03/31/2024
300801653 46 SS Shreveport LA 3,843,628.51 466,900.54 226,954.97 Not Available Not Available
300801652 47 OF Skokie IL 3,266,324.49 624,530.17 177,687.62 01/01/2024 03/31/2024
300801650 48 SS Baton Rouge LA 1,661,650.52 151,113.47 78,499.57 Not Available Not Available
300801657 5 MU Bronx NY 52,500,000.00 7,763,500.32 5,834,092.64 Not Available Not Available
304101849 7 MF New York NY 41,700,000.00 3,199,918.05 2,432,229.61 Not Available Not Available
308511008 8 SS Various XX 40,000,000.00 12,526,955.00 3,164,186.75 01/01/2024 03/31/2024
300801656 9 LO Various XX 30,527,083.16 5,660,121.80 5,654,565.86 Not Available Not Available
Total Count = 48 841,389,153.87 370,162,244.84 160,555,192.60
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
DELINQUENCY LOAN DETAIL
July 17, 2024
Actual Paid Current P&I Total P&I Cumulative Other Expense Payment Workout Most Recent
Principal Through Advances Advances Accrued Unpaid Advances Status Strategy Special Serv Foreclosure Bankruptcy REO
Loan ID OMCR Balance Date (Net of ASER) Outstanding Interest Advances Outstanding (2 ) (3 ) Transfer Date Date Date Date
304101859 30 9,401,987.23 01/06/2020 - 1,757,500.51 472,260.45 248,238.72 3 2 01/21/2020
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
COLLATERAL PERFORMANCE - DELINQUENCY AND LOAN STATUS DETAIL
July 17, 2024
Delinquent
(Does not include loans in Bankruptcy, Foreclosure, or REO)
30 Day 60 Day 90 Day 120 + Day Bankruptcy Foreclosure REO
Distribution
Date Count Balance Count Balance Count Balance Count Balance Count Balance Count Balance Count Balance
0 0 0 0 0 0 1 8,770,446 0 0 0 0 0 0
07/17/2024
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 2.1 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
0 0 0 0 0 0 1 8,770,446 0 0 0 0 0 0
06/17/2024
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 2.1 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
0 0 0 0 0 0 1 8,770,446 0 0 0 0 0 0
05/17/2024
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 2.1 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
0 0 0 0 0 0 1 8,770,446 0 0 0 0 0 0
04/17/2024
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 2.1 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
0 0 0 0 0 0 1 8,770,446 0 0 0 0 0 0
03/15/2024
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 2.1 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
0 0 0 0 0 0 1 8,770,446 0 0 0 0 0 0
02/16/2024
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 2.1 % 1.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
0 0 0 0 0 0 1 8,770,446 0 0 0 0 0 0
01/18/2024
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 2.1 % 1.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
0 0 0 0 0 0 1 8,770,446 0 0 0 0 0 0
12/15/2023
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 2.1 % 1.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
0 0 0 0 0 0 1 8,770,446 0 0 0 0 0 0
11/17/2023
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 2.1 % 1.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
0 0 0 0 0 0 1 8,770,446 0 0 0 0 0 0
10/17/2023
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 2.1 % 1.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
0 0 0 0 0 0 1 8,786,301 0 0 0 0 0 0
09/15/2023
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 2.1 % 1.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
0 0 0 0 0 0 1 8,800,895 0 0 0 0 0 0
08/17/2023
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 2.1 % 1.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
APPRAISAL REDUCTION DETAIL
July 17, 2024
Beginning Ending Appraisal Appraisal Most Recent Cumulative
Loan ID OMCR Property Name Scheduled Balance Scheduled Balance Reduction Amount Reduction Date ASER Amount ASER Amount
304101859 30 4901 West Irving Park 8,770,446.11 8,770,446.11 6,077,655.10 02/12/2024 - 571,999.49
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
HISTORICAL APPRAISAL REDUCTION DETAIL
July 17, 2024
Distribution Beginning Ending Appraisal Appraisal Most Recent Cumulative
Date Loan ID OMCR Property Name Scheduled Balance Scheduled Balance Reduction Amount Reduction Date ASER Amount ASER Amount
7/17/2024 304101859 30 4901 West Irving Park 8,770,446.11 8,770,446.11 6,077,655.10 02/12/2024 - 571,999.49
6/17/2024 304101859 30 4901 West Irving Park 8,770,446.11 8,770,446.11 6,077,655.10 02/12/2024 - 571,999.49
5/17/2024 1647637 27 Clinton Crossings Medical Office 8,651,745.34 8,626,087.62 - 12/11/2023 - -
5/17/2024 304101859 30 4901 West Irving Park 8,770,446.11 8,770,446.11 6,077,655.10 02/12/2024 - 571,999.49
4/17/2024 1647637 27 Clinton Crossings Medical Office 8,676,284.02 8,651,745.34 - 12/11/2023 - -
4/17/2024 304101859 30 4901 West Irving Park 8,770,446.11 8,770,446.11 6,077,655.10 02/12/2024 - 571,999.49
3/15/2024 304101859 30 4901 West Irving Park 8,770,446.11 8,770,446.11 6,077,655.10 02/12/2024 - 571,999.49
2/16/2024 304101859 30 4901 West Irving Park 8,770,446.11 8,770,446.11 6,077,655.10 02/12/2024 - 571,999.49
1/18/2024 304101859 30 4901 West Irving Park 8,770,446.11 8,770,446.11 4,876,065.98 02/13/2023 - 571,999.49
12/15/2023 304101859 30 4901 West Irving Park 8,770,446.11 8,770,446.11 4,876,065.98 02/13/2023 - 571,999.49
11/17/2023 304101859 30 4901 West Irving Park 8,770,446.11 8,770,446.11 4,876,065.98 02/13/2023 - 571,999.49
10/17/2023 304101859 30 4901 West Irving Park 8,786,300.63 8,770,446.11 4,876,065.98 02/13/2023 19,930.92 571,999.49
9/15/2023 304101859 30 4901 West Irving Park 8,800,895.09 8,786,300.63 4,876,065.98 02/13/2023 20,595.28 552,068.57
8/17/2023 304101859 30 4901 West Irving Park 8,815,428.10 8,800,895.09 4,876,065.98 02/13/2023 20,595.28 531,473.29
7/17/2023 304101859 30 4901 West Irving Park 8,831,099.32 8,815,428.10 4,876,065.98 02/13/2023 19,930.92 510,878.01
6/16/2023 304101859 30 4901 West Irving Park 8,845,505.16 8,831,099.32 4,876,065.98 02/13/2023 20,595.29 490,947.09
5/17/2023 304101859 30 4901 West Irving Park 8,861,053.81 8,845,505.16 4,876,065.98 02/13/2023 19,930.92 470,351.80
4/17/2023 1647637 27 Clinton Crossings Medical Office 8,969,923.99 8,946,467.53 - 12/12/2022 - -
4/17/2023 304101859 30 4901 West Irving Park 8,875,333.54 8,861,053.81 4,876,065.98 02/13/2023 20,595.28 450,420.88
3/17/2023 304101859 30 4901 West Irving Park 8,893,176.62 8,875,333.54 4,876,065.98 02/13/2023 18,602.19 429,825.60
2/17/2023 304101859 30 4901 West Irving Park 8,907,321.10 8,893,176.62 4,876,065.98 02/13/2023 20,595.29 411,223.41
1/18/2023 304101859 30 4901 West Irving Park 8,921,406.03 8,907,321.10 3,964,600.49 02/11/2022 16,745.48 390,628.12
12/16/2022 304101859 30 4901 West Irving Park 8,936,645.39 8,921,406.03 3,964,600.49 02/11/2022 16,205.30 373,882.64
11/18/2022 304101859 30 4901 West Irving Park 8,950,606.86 8,936,645.39 3,964,600.49 02/11/2022 16,745.48 357,677.34
10/17/2022 304101859 30 4901 West Irving Park 8,965,727.22 8,950,606.86 3,964,600.49 02/11/2022 16,205.30 340,931.86
9/16/2022 304101859 30 4901 West Irving Park 8,979,566.25 8,965,727.22 3,964,600.49 02/11/2022 16,745.48 324,726.56
8/17/2022 304101859 30 4901 West Irving Park 8,993,347.01 8,979,566.25 3,964,600.49 02/11/2022 16,745.48 307,981.08
7/15/2022 304101859 30 4901 West Irving Park 9,008,293.21 8,993,347.01 3,964,600.49 02/11/2022 16,205.31 291,235.60
6/17/2022 304101859 30 4901 West Irving Park 9,021,953.02 9,008,293.21 3,964,600.49 02/11/2022 16,745.48 275,030.29
5/17/2022 304101859 30 4901 West Irving Park 9,036,782.65 9,021,953.02 3,964,600.49 02/11/2022 16,205.30 258,284.81
4/15/2022 304101859 30 4901 West Irving Park 9,050,322.51 9,036,782.65 3,964,600.49 02/11/2022 16,745.48 242,079.51
3/17/2022 304101859 30 4901 West Irving Park 9,067,499.87 9,050,322.51 3,964,600.49 02/11/2022 15,124.95 225,334.03
2/17/2022 304101859 30 4901 West Irving Park 9,080,910.41 9,067,499.87 3,964,600.49 02/11/2022 16,745.48 210,209.08
Reports Available at sf.citidirect.com v. 21.09.28 Page 21 of 38 © Copyright 2024 Citigroup

Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
HISTORICAL APPRAISAL REDUCTION DETAIL
July 17, 2024
Distribution Beginning Ending Appraisal Appraisal Most Recent Cumulative
Date Loan ID OMCR Property Name Scheduled Balance Scheduled Balance Reduction Amount Reduction Date ASER Amount ASER Amount
1/18/2022 304101859 30 4901 West Irving Park 9,094,264.48 9,080,910.41 2,716,535.50 03/11/2021 11,473.97 193,463.60
12/17/2021 304101859 30 4901 West Irving Park 9,108,799.44 9,094,264.48 2,716,535.50 03/11/2021 11,103.84 181,989.63
11/18/2021 304101859 30 4901 West Irving Park 9,122,036.09 9,108,799.44 2,716,535.50 03/11/2021 11,473.97 170,885.79
10/18/2021 304101859 30 4901 West Irving Park 9,136,457.88 9,122,036.09 2,716,535.50 03/11/2021 11,103.84 159,411.82
9/17/2021 304101859 30 4901 West Irving Park 9,149,578.09 9,136,457.88 2,716,535.50 03/11/2021 11,473.97 148,307.98
8/17/2021 304101859 30 4901 West Irving Park 9,162,643.06 9,149,578.09 2,716,535.50 03/11/2021 11,473.97 136,834.01
7/16/2021 304101859 30 4901 West Irving Park 9,176,899.38 9,162,643.06 2,716,535.50 03/11/2021 11,103.84 125,360.04
6/17/2021 304101859 30 4901 West Irving Park 9,189,849.32 9,176,899.38 2,716,535.50 03/11/2021 11,473.97 114,256.20
5/17/2021 304101859 30 4901 West Irving Park 9,203,994.77 9,189,849.32 2,716,535.50 03/11/2021 11,103.84 102,782.23
5/17/2021 304101861 4 Old Town San Diego Hotel Portfolio 52,238,198.79 52,142,057.56 - (152,355.24 ) -
4/16/2021 304101859 30 4901 West Irving Park 9,216,830.63 9,203,994.77 2,716,535.50 03/11/2021 11,473.97 91,678.39
4/16/2021 304101861 4 Old Town San Diego Hotel Portfolio 52,327,266.50 52,238,198.79 13,176,669.56 12/11/2020 - 152,355.24
3/17/2021 1648607 24 Hotel Indigo El Paso 10,395,520.76 10,376,494.06 - (10,601.99 ) -
3/17/2021 304101859 30 4901 West Irving Park 9,233,374.53 9,216,830.63 2,716,535.50 03/11/2021 10,363.58 80,204.42
3/17/2021 304101861 4 Old Town San Diego Hotel Portfolio 52,436,131.77 52,327,266.50 13,176,669.56 12/11/2020 47,399.41 152,355.24
2/18/2021 1648607 24 Hotel Indigo El Paso 10,410,402.46 10,395,520.76 - 12/11/2020 - 10,601.99
2/18/2021 304101859 30 4901 West Irving Park 9,246,086.69 9,233,374.53 1,675,140.96 04/13/2020 7,075.38 69,840.84
2/18/2021 304101861 4 Old Town San Diego Hotel Portfolio 52,524,413.46 52,436,131.77 13,176,669.56 12/11/2020 52,477.92 104,955.83
1/15/2021 1648607 24 Hotel Indigo El Paso 10,425,223.98 10,410,402.46 - 12/11/2020 - 10,601.99
1/15/2021 304101859 30 4901 West Irving Park 9,258,745.33 9,246,086.69 1,675,140.96 04/13/2020 7,075.38 62,765.46
1/15/2021 304101861 4 Old Town San Diego Hotel Portfolio 52,612,344.58 52,524,413.46 13,176,669.56 12/11/2020 52,477.91 52,477.91
12/17/2020 1648607 24 Hotel Indigo El Paso 10,441,347.57 10,425,223.98 - 12/11/2020 - 10,601.99
12/17/2020 304101859 30 4901 West Irving Park 9,272,610.03 9,258,745.33 1,675,140.96 04/13/2020 6,847.14 55,690.08
12/17/2020 304101861 4 Old Town San Diego Hotel Portfolio 52,706,678.26 52,612,344.58 13,176,669.56 12/11/2020 - -
11/18/2020 1648607 24 Hotel Indigo El Paso 10,456,043.96 10,441,347.57 2,614,010.99 11/12/2020 10,601.99 10,601.99
11/18/2020 304101859 30 4901 West Irving Park 9,285,157.00 9,272,610.03 1,675,140.96 04/13/2020 7,075.38 48,842.94
10/19/2020 304101859 30 4901 West Irving Park 9,298,914.07 9,285,157.00 1,675,140.96 04/13/2020 6,847.14 41,767.56
9/17/2020 304101859 30 4901 West Irving Park 9,311,350.29 9,298,914.07 1,675,140.96 04/13/2020 7,075.38 34,920.42
8/17/2020 304101859 30 4901 West Irving Park 9,323,734.15 9,311,350.29 1,675,140.96 04/13/2020 7,075.38 27,845.04
7/17/2020 304101859 30 4901 West Irving Park 9,337,334.02 9,323,734.15 1,675,140.96 04/13/2020 6,847.14 20,769.66
6/17/2020 304101859 30 4901 West Irving Park 9,349,608.49 9,337,334.02 1,675,140.96 04/13/2020 7,075.38 13,922.52
5/15/2020 304101859 30 4901 West Irving Park 9,363,102.92 9,349,608.49 1,675,140.96 04/13/2020 6,847.14 6,847.14
4/17/2020 304101859 30 4901 West Irving Park 9,375,268.89 9,363,102.92 1,675,140.96 04/13/2020 - -
Reports Available at sf.citidirect.com v. 21.09.28 Page 22 of 38 © Copyright 2024 Citigroup

Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
LOAN MODIFICATION DETAIL
July 17, 2024
Modification Modification
Loan ID OMCR Property Name Date Code (4)
1749833 13 DoubleTree Lafayette 04/01/2020 8
1648607 24 Hotel Indigo El Paso 07/01/2020 8
304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
Total Count = 3
Reports Available at sf.citidirect.com v. 21.09.28 Page 23 of 38 © Copyright 2024 Citigroup

Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
HISTORICAL LOAN MODIFICATION DETAIL
July 17, 2024
Distribution Modification Modification
Date Loan ID OMCR Property Name Date Code (4)
07/17/2024 1749833 13 DoubleTree Lafayette 04/01/2020 8
07/17/2024 1648607 24 Hotel Indigo El Paso 07/01/2020 8
07/17/2024 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
06/17/2024 1749833 13 DoubleTree Lafayette 04/01/2020 8
06/17/2024 1648607 24 Hotel Indigo El Paso 07/01/2020 8
06/17/2024 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
05/17/2024 1749833 13 DoubleTree Lafayette 04/01/2020 8
05/17/2024 1648607 24 Hotel Indigo El Paso 07/01/2020 8
05/17/2024 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
04/17/2024 1749833 13 DoubleTree Lafayette 04/01/2020 8
04/17/2024 1648607 24 Hotel Indigo El Paso 07/01/2020 8
04/17/2024 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
03/15/2024 1749833 13 DoubleTree Lafayette 04/01/2020 8
03/15/2024 1648607 24 Hotel Indigo El Paso 07/01/2020 8
03/15/2024 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
02/16/2024 1749833 13 DoubleTree Lafayette 04/01/2020 8
02/16/2024 1648607 24 Hotel Indigo El Paso 07/01/2020 8
02/16/2024 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
01/18/2024 1749833 13 DoubleTree Lafayette 04/01/2020 8
01/18/2024 1648607 24 Hotel Indigo El Paso 07/01/2020 8
01/18/2024 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
12/15/2023 1749833 13 DoubleTree Lafayette 04/01/2020 8
12/15/2023 1648607 24 Hotel Indigo El Paso 07/01/2020 8
12/15/2023 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
11/17/2023 1749833 13 DoubleTree Lafayette 04/01/2020 8
11/17/2023 1648607 24 Hotel Indigo El Paso 07/01/2020 8
11/17/2023 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
10/17/2023 1749833 13 DoubleTree Lafayette 04/01/2020 8
10/17/2023 1648607 24 Hotel Indigo El Paso 07/01/2020 8
10/17/2023 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
09/15/2023 1749833 13 DoubleTree Lafayette 04/01/2020 8
09/15/2023 1648607 24 Hotel Indigo El Paso 07/01/2020 8
09/15/2023 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
Reports Available at sf.citidirect.com v. 21.09.28 Page 24 of 38 © Copyright 2024 Citigroup

Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
HISTORICAL LOAN MODIFICATION DETAIL
July 17, 2024
Distribution Modification Modification
Date Loan ID OMCR Property Name Date Code (4)
08/17/2023 1749833 13 DoubleTree Lafayette 04/01/2020 8
08/17/2023 1648607 24 Hotel Indigo El Paso 07/01/2020 8
08/17/2023 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
07/17/2023 1749833 13 DoubleTree Lafayette 04/01/2020 8
07/17/2023 1648607 24 Hotel Indigo El Paso 07/01/2020 8
07/17/2023 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
06/16/2023 1749833 13 DoubleTree Lafayette 04/01/2020 8
06/16/2023 1648607 24 Hotel Indigo El Paso 07/01/2020 8
06/16/2023 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
05/17/2023 1749833 13 DoubleTree Lafayette 04/01/2020 8
05/17/2023 1648607 24 Hotel Indigo El Paso 07/01/2020 8
05/17/2023 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
04/17/2023 1749833 13 DoubleTree Lafayette 04/01/2020 8
04/17/2023 1648607 24 Hotel Indigo El Paso 07/01/2020 8
04/17/2023 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
03/17/2023 1749833 13 DoubleTree Lafayette 04/01/2020 8
03/17/2023 1648607 24 Hotel Indigo El Paso 07/01/2020 8
03/17/2023 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
02/17/2023 1749833 13 DoubleTree Lafayette 04/01/2020 8
02/17/2023 1648607 24 Hotel Indigo El Paso 07/01/2020 8
02/17/2023 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
01/18/2023 1749833 13 DoubleTree Lafayette 04/01/2020 8
01/18/2023 1648607 24 Hotel Indigo El Paso 07/01/2020 8
01/18/2023 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
12/16/2022 1749833 13 DoubleTree Lafayette 04/01/2020 8
12/16/2022 1648607 24 Hotel Indigo El Paso 07/01/2020 8
12/16/2022 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
11/18/2022 1749833 13 DoubleTree Lafayette 04/01/2020 8
11/18/2022 1648607 24 Hotel Indigo El Paso 07/01/2020 8
11/18/2022 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
10/17/2022 1749833 13 DoubleTree Lafayette 04/01/2020 8
10/17/2022 1648607 24 Hotel Indigo El Paso 07/01/2020 8
10/17/2022 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
Reports Available at sf.citidirect.com v. 21.09.28 Page 25 of 38 © Copyright 2024 Citigroup

Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
HISTORICAL LOAN MODIFICATION DETAIL
July 17, 2024
Distribution Modification Modification
Date Loan ID OMCR Property Name Date Code (4)
09/16/2022 1749833 13 DoubleTree Lafayette 04/01/2020 8
09/16/2022 1648607 24 Hotel Indigo El Paso 07/01/2020 8
09/16/2022 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
08/17/2022 1749833 13 DoubleTree Lafayette 04/01/2020 8
08/17/2022 1648607 24 Hotel Indigo El Paso 07/01/2020 8
08/17/2022 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
07/15/2022 1749833 13 DoubleTree Lafayette 04/01/2020 8
07/15/2022 1648607 24 Hotel Indigo El Paso 07/01/2020 8
07/15/2022 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
06/17/2022 1749833 13 DoubleTree Lafayette 04/01/2020 8
06/17/2022 1648607 24 Hotel Indigo El Paso 07/01/2020 8
06/17/2022 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
05/17/2022 1749833 13 DoubleTree Lafayette 04/01/2020 8
05/17/2022 1648607 24 Hotel Indigo El Paso 07/01/2020 8
05/17/2022 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
04/15/2022 1749833 13 DoubleTree Lafayette 04/01/2020 8
04/15/2022 1648607 24 Hotel Indigo El Paso 07/01/2020 8
04/15/2022 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
03/17/2022 1749833 13 DoubleTree Lafayette 04/01/2020 8
03/17/2022 1648607 24 Hotel Indigo El Paso 07/01/2020 8
03/17/2022 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
02/17/2022 1749833 13 DoubleTree Lafayette 04/01/2020 8
02/17/2022 1648607 24 Hotel Indigo El Paso 07/01/2020 8
02/17/2022 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
01/18/2022 1749833 13 DoubleTree Lafayette 04/01/2020 8
01/18/2022 1648607 24 Hotel Indigo El Paso 07/01/2020 8
01/18/2022 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
12/17/2021 1749833 13 DoubleTree Lafayette 04/01/2020 8
12/17/2021 1648607 24 Hotel Indigo El Paso 07/01/2020 8
12/17/2021 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
11/18/2021 1749833 13 DoubleTree Lafayette 04/01/2020 8
11/18/2021 1648607 24 Hotel Indigo El Paso 07/01/2020 8
11/18/2021 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
Reports Available at sf.citidirect.com v. 21.09.28 Page 26 of 38 © Copyright 2024 Citigroup

Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
HISTORICAL LOAN MODIFICATION DETAIL
July 17, 2024
Distribution Modification Modification
Date Loan ID OMCR Property Name Date Code (4)
10/18/2021 1749833 13 DoubleTree Lafayette 04/01/2020 8
10/18/2021 1648607 24 Hotel Indigo El Paso 07/01/2020 8
10/18/2021 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
09/17/2021 1749833 13 DoubleTree Lafayette 04/01/2020 8
09/17/2021 1648607 24 Hotel Indigo El Paso 07/01/2020 8
09/17/2021 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
08/17/2021 1749833 13 DoubleTree Lafayette 04/01/2020 8
08/17/2021 1648607 24 Hotel Indigo El Paso 07/01/2020 8
08/17/2021 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
07/16/2021 1749833 13 DoubleTree Lafayette 04/01/2020 8
07/16/2021 1648607 24 Hotel Indigo El Paso 07/01/2020 8
07/16/2021 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
06/17/2021 1749833 13 DoubleTree Lafayette 04/01/2020 8
06/17/2021 1648607 24 Hotel Indigo El Paso 07/01/2020 8
06/17/2021 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
05/17/2021 1749833 13 DoubleTree Lafayette 04/01/2020 8
05/17/2021 1648607 24 Hotel Indigo El Paso 07/01/2020 8
05/17/2021 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
04/16/2021 1749833 13 DoubleTree Lafayette 04/01/2020 8
04/16/2021 1648607 24 Hotel Indigo El Paso 07/01/2020 8
04/16/2021 304101861 4 Old Town San Diego Hotel Portfolio 06/01/2020 8
03/17/2021 1749833 13 DoubleTree Lafayette 04/01/2020 8
03/17/2021 1648607 24 Hotel Indigo El Paso 07/01/2020 8
02/18/2021 1749833 13 DoubleTree Lafayette 04/01/2020 8
02/18/2021 1648607 24 Hotel Indigo El Paso 07/01/2020 8
01/15/2021 1749833 13 DoubleTree Lafayette 04/01/2020 8
01/15/2021 1648607 24 Hotel Indigo El Paso 07/01/2020 8
12/17/2020 1749833 13 DoubleTree Lafayette 04/01/2020 8
11/18/2020 1749833 13 DoubleTree Lafayette 04/01/2020 8
10/19/2020 1749833 13 DoubleTree Lafayette 04/01/2020 8
09/17/2020 1749833 13 DoubleTree Lafayette 04/01/2020 8
08/17/2020 1749833 13 DoubleTree Lafayette 04/01/2020 8
Reports Available at sf.citidirect.com v. 21.09.28 Page 27 of 38 © Copyright 2024 Citigroup

Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
SPECIALLY SERVICED LOAN DETAIL
July 17, 2024
Special Servicing Ending Ending Most Most Recent Most Recent Most Recent
Workout Fee Amount Scheduled Actual Recent Valuation Special Servicer Master Servicer
Loan ID OMCR Strategy (3) Plus Adjustments Balance Balance Value Date Transfer Date Return Date
1647637 27 11 3,500.00 8,575,526.53 8,575,526.53 16,400,000.00 10/24/2023 09/20/2021
304101859 30 2 3,500.00 8,770,446.11 9,401,987.23 6,300,000.00 12/11/2023 01/21/2020
Total Count = 2 7,000.00 17,345,972.64 17,977,513.76 22,700,000.00
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
HISTORICAL SPECIALLY SERVICED LOANS
July 17, 2024
Special Servicing Ending Ending Most Most Recent Most Recent Most Recent
Distribution Workout Fee Amount Scheduled Actual Recent Valuation Special Servicer Master Servicer
Date Loan ID OMCR Strategy (3) Plus Adjustments Balance Balance Value Date Transfer Date Return Date
07/17/2024 1647637 27 11 3,500.00 8,575,526.53 8,575,526.53 16,400,000.00 10/24/2023 09/20/2021
06/17/2024 1647637 27 11 3,500.00 8,601,363.94 8,626,087.62 16,400,000.00 10/24/2023 09/20/2021
05/17/2024 1647637 27 11 3,500.00 8,626,087.62 8,626,087.62 16,400,000.00 10/24/2023 09/20/2021
04/17/2024 1647637 27 11 3,500.00 8,651,745.34 8,676,284.02 16,400,000.00 10/24/2023 09/20/2021
03/15/2024 1647637 27 11 3,500.00 8,676,284.02 8,676,284.02 16,400,000.00 10/24/2023 09/20/2021
02/16/2024 1647637 27 11 3,500.00 8,702,794.33 8,702,794.33 16,400,000.00 10/24/2023 09/20/2021
01/18/2024 1647637 27 11 3,500.00 8,727,145.56 8,751,407.37 16,400,000.00 10/24/2023 09/20/2021
12/15/2023 1647637 27 11 3,500.00 8,751,407.37 8,776,619.70 16,400,000.00 10/24/2023 09/20/2021
11/17/2023 1647637 27 11 3,500.00 8,776,619.70 8,776,619.70 18,200,000.00 12/01/2022 09/20/2021
10/17/2023 1647637 27 11 3,500.00 8,800,699.84 8,825,736.99 18,200,000.00 12/01/2022 09/20/2021
09/15/2023 1647637 27 11 3,500.00 8,825,736.99 8,825,736.99 18,200,000.00 12/01/2022 09/20/2021
08/17/2023 1647637 27 11 3,500.00 8,849,636.77 8,849,636.77 18,200,000.00 12/01/2022 09/20/2021
07/17/2023 1647637 27 11 3,500.00 8,873,448.79 8,898,227.39 18,200,000.00 12/01/2022 09/20/2021
06/16/2023 1647637 27 11 3,500.00 8,898,227.39 8,898,227.39 18,200,000.00 12/01/2022 09/20/2021
05/17/2023 1647637 27 11 3,500.00 8,921,860.99 8,946,467.53 18,200,000.00 12/01/2022 09/20/2021
04/17/2023 1647637 27 11 3,500.00 8,946,467.53 8,946,467.53 18,200,000.00 12/01/2022 09/20/2021
03/17/2023 1647637 27 11 3,500.00 8,969,923.99 8,969,923.99 18,200,000.00 12/01/2022 09/20/2021
02/17/2023 1647637 27 11 3,500.00 8,996,491.28 8,996,491.28 18,200,000.00 12/01/2022 09/20/2021
01/18/2023 1647637 27 11 3,500.00 9,019,764.05 9,019,764.05 18,200,000.00 12/01/2022 09/20/2021
12/16/2022 1647637 27 11 3,500.00 9,042,951.36 9,042,951.36 18,200,000.00 12/01/2022 09/20/2021
11/18/2022 1647637 27 11 3,500.00 9,067,127.55 9,067,127.55 17,100,000.00 05/05/2017 09/20/2021
10/17/2022 1647637 27 11 3,500.00 9,090,140.94 9,090,140.94 17,100,000.00 05/05/2017 09/20/2021
09/16/2022 1647637 27 11 3,500.00 9,114,149.42 9,114,149.42 17,100,000.00 05/05/2017 09/20/2021
08/17/2022 1647637 27 11 3,500.00 9,136,990.15 9,159,747.00 17,100,000.00 05/05/2017 09/20/2021
07/15/2022 1647637 27 11 3,500.00 9,159,747.00 9,183,508.10 17,100,000.00 05/05/2017 09/20/2021
06/17/2022 1647637 27 11 3,500.00 9,183,508.10 9,183,508.10 17,100,000.00 05/05/2017 09/20/2021
05/17/2022 1647637 27 11 3,500.00 9,206,094.14 9,252,106.98 17,100,000.00 05/05/2017 09/20/2021
04/15/2022 1647637 27 11 3,500.00 9,229,690.52 9,252,106.98 17,100,000.00 05/05/2017 09/20/2021
03/17/2022 1647637 27 11 3,500.00 9,252,106.98 9,277,738.03 17,100,000.00 05/05/2017 09/20/2021
02/17/2022 1647637 27 13 3,500.00 9,277,738.03 9,299,978.05 17,100,000.00 05/05/2017 09/20/2021
01/18/2022 1647637 27 13 3,500.00 9,299,978.05 9,299,978.05 17,100,000.00 05/05/2017 09/20/2021
12/17/2021 1647637 27 13 3,500.00 9,322,136.41 9,322,136.41 17,100,000.00 05/05/2017 09/20/2021
Reports Available at sf.citidirect.com v. 21.09.28 Page 29 of 38 © Copyright 2024 Citigroup

Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
HISTORICAL SPECIALLY SERVICED LOANS
July 17, 2024
Special Servicing Ending Ending Most Most Recent Most Recent Most Recent
Distribution Workout Fee Amount Scheduled Actual Recent Valuation Special Servicer Master Servicer
Date Loan ID OMCR Strategy (3) Plus Adjustments Balance Balance Value Date Transfer Date Return Date
11/18/2021 1647637 27 13 3,500.00 9,345,320.38 9,345,320.38 17,100,000.00 05/05/2017 09/20/2021
10/18/2021 1647637 27 13 3,500.00 9,367,312.24 9,367,312.24 17,100,000.00 05/05/2017 09/20/2021
03/17/2021 1648607 24 8 - 10,376,494.06 10,376,494.06 12,800,000.00 09/28/2020 08/10/2020 02/11/2021
02/18/2021 1648607 24 1 - 10,395,520.76 10,395,520.76 12,800,000.00 09/28/2020 08/10/2020
01/15/2021 1648607 24 1 - 10,410,402.46 10,425,223.98 12,800,000.00 09/28/2020 08/10/2020
12/17/2020 1648607 24 1 - 10,425,223.98 10,516,958.99 12,800,000.00 09/28/2020 08/10/2020
11/18/2020 1648607 24 1 - 10,441,347.57 10,531,349.63 20,700,000.00 02/01/2017 08/10/2020
10/19/2020 1648607 24 1 - 10,456,043.96 10,531,349.63 20,700,000.00 02/01/2017 08/10/2020
09/17/2020 1648607 24 13 - 10,472,046.92 10,531,349.63 20,700,000.00 02/01/2017 08/10/2020
08/17/2020 1648607 24 13 - 10,486,619.17 10,531,349.63 20,700,000.00 02/01/2017 08/10/2020
07/17/2024 304101859 30 2 3,500.00 8,770,446.11 9,401,987.23 6,300,000.00 12/11/2023 01/21/2020
06/17/2024 304101859 30 2 3,500.00 8,770,446.11 9,401,987.23 6,300,000.00 12/11/2023 01/21/2020
05/17/2024 304101859 30 2 3,500.00 8,770,446.11 9,401,987.23 6,300,000.00 12/11/2023 01/21/2020
04/17/2024 304101859 30 2 3,500.00 8,770,446.11 9,401,987.23 6,300,000.00 12/11/2023 01/21/2020
03/15/2024 304101859 30 2 3,500.00 8,770,446.11 9,401,987.23 6,300,000.00 12/11/2023 01/21/2020
02/16/2024 304101859 30 2 3,500.00 8,770,446.11 9,401,987.23 6,300,000.00 12/11/2023 01/21/2020
01/18/2024 304101859 30 2 3,500.00 8,770,446.11 9,401,987.23 7,090,000.00 12/28/2022 01/21/2020
12/15/2023 304101859 30 2 3,500.00 8,770,446.11 9,401,987.23 7,090,000.00 12/28/2022 01/21/2020
11/17/2023 304101859 30 2 3,500.00 8,770,446.11 9,401,987.23 7,090,000.00 12/28/2022 01/21/2020
10/17/2023 304101859 30 2 3,500.00 8,770,446.11 9,401,987.23 7,090,000.00 12/28/2022 01/21/2020
09/15/2023 304101859 30 2 3,500.00 8,786,300.63 9,401,987.23 7,090,000.00 12/28/2022 01/21/2020
08/17/2023 304101859 30 2 3,500.00 8,800,895.09 9,401,987.23 7,090,000.00 12/28/2022 01/21/2020
07/17/2023 304101859 30 2 3,500.00 8,815,428.10 9,401,987.23 7,090,000.00 12/28/2022 01/21/2020
06/16/2023 304101859 30 2 3,500.00 8,831,099.32 9,401,987.23 7,090,000.00 12/28/2022 01/21/2020
05/17/2023 304101859 30 2 3,500.00 8,845,505.16 9,401,987.23 7,090,000.00 12/28/2022 01/21/2020
04/17/2023 304101859 30 2 3,500.00 8,861,053.81 9,401,987.23 7,090,000.00 12/28/2022 01/21/2020
03/17/2023 304101859 30 2 3,500.00 8,875,333.54 9,401,987.23 7,090,000.00 12/28/2022 01/21/2020
02/17/2023 304101859 30 2 3,500.00 8,893,176.62 9,401,987.23 7,090,000.00 12/28/2022 01/21/2020
01/18/2023 304101859 30 2 3,500.00 8,907,321.10 9,401,987.23 7,450,000.00 12/19/2021 01/21/2020
12/16/2022 304101859 30 2 3,500.00 8,921,406.03 9,401,987.23 7,450,000.00 12/19/2021 01/21/2020
11/18/2022 304101859 30 2 3,500.00 8,936,645.39 9,401,987.23 7,450,000.00 12/19/2021 01/21/2020
10/17/2022 304101859 30 2 3,500.00 8,950,606.86 9,401,987.23 7,450,000.00 12/19/2021 01/21/2020
Reports Available at sf.citidirect.com v. 21.09.28 Page 30 of 38 © Copyright 2024 Citigroup

Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
HISTORICAL SPECIALLY SERVICED LOANS
July 17, 2024
Special Servicing Ending Ending Most Most Recent Most Recent Most Recent
Distribution Workout Fee Amount Scheduled Actual Recent Valuation Special Servicer Master Servicer
Date Loan ID OMCR Strategy (3) Plus Adjustments Balance Balance Value Date Transfer Date Return Date
09/16/2022 304101859 30 2 3,500.00 8,965,727.22 9,401,987.23 7,450,000.00 12/19/2021 01/21/2020
08/17/2022 304101859 30 2 3,500.00 8,979,566.25 9,401,987.23 7,450,000.00 12/19/2021 01/21/2020
07/15/2022 304101859 30 2 3,500.00 8,993,347.01 9,401,987.23 7,450,000.00 12/19/2021 01/21/2020
06/17/2022 304101859 30 2 3,500.00 9,008,293.21 9,401,987.23 7,450,000.00 12/19/2021 01/21/2020
05/17/2022 304101859 30 2 3,500.00 9,021,953.02 9,401,987.23 7,450,000.00 12/19/2021 01/21/2020
04/15/2022 304101859 30 2 3,500.00 9,036,782.65 9,401,987.23 7,450,000.00 12/19/2021 01/21/2020
03/17/2022 304101859 30 2 3,500.00 9,050,322.51 9,401,987.23 7,450,000.00 12/19/2021 01/21/2020
02/17/2022 304101859 30 2 3,500.00 9,067,499.87 9,401,987.23 7,450,000.00 12/19/2021 01/21/2020
01/18/2022 304101859 30 2 3,500.00 9,080,910.41 9,401,987.23 8,330,000.00 01/14/2021 01/21/2020
12/17/2021 304101859 30 2 3,500.00 9,094,264.48 9,401,987.23 8,330,000.00 01/14/2021 01/21/2020
11/18/2021 304101859 30 2 3,500.00 9,108,799.44 9,413,989.49 8,330,000.00 01/14/2021 01/21/2020
10/18/2021 304101859 30 2 3,500.00 9,122,036.09 9,413,989.49 8,330,000.00 01/14/2021 01/21/2020
09/17/2021 304101859 30 2 3,500.00 9,136,457.88 9,413,989.49 8,330,000.00 01/14/2021 01/21/2020
08/17/2021 304101859 30 2 3,500.00 9,149,578.09 9,413,989.49 8,330,000.00 01/14/2021 01/21/2020
07/16/2021 304101859 30 2 3,500.00 9,162,643.06 9,413,989.49 8,330,000.00 01/14/2021 01/21/2020
06/17/2021 304101859 30 2 3,500.00 9,176,899.38 9,413,989.49 8,330,000.00 01/14/2021 01/21/2020
05/17/2021 304101859 30 2 3,500.00 9,189,849.32 9,413,989.49 8,330,000.00 01/14/2021 01/21/2020
04/16/2021 304101859 30 2 3,500.00 9,203,994.77 9,413,989.49 8,330,000.00 01/14/2021 01/21/2020
03/17/2021 304101859 30 2 3,500.00 9,216,830.63 9,413,989.49 8,330,000.00 01/14/2021 01/21/2020
02/18/2021 304101859 30 2 3,500.00 9,233,374.53 9,413,989.49 8,500,000.00 02/29/2020 01/21/2020
01/15/2021 304101859 30 2 3,500.00 9,246,086.69 9,413,989.49 8,500,000.00 02/29/2020 01/21/2020
12/17/2020 304101859 30 2 3,500.00 9,258,745.33 9,413,989.49 8,500,000.00 02/29/2020 01/21/2020
11/18/2020 304101859 30 2 3,500.00 9,272,610.03 9,413,989.49 8,500,000.00 02/29/2020 01/21/2020
10/19/2020 304101859 30 2 3,500.00 9,285,157.00 9,413,989.49 8,500,000.00 02/29/2020 01/21/2020
09/17/2020 304101859 30 2 3,500.00 9,298,914.07 9,413,989.49 8,500,000.00 02/29/2020 01/21/2020
08/17/2020 304101859 30 2 3,500.00 9,311,350.29 9,413,989.49 8,500,000.00 02/29/2020 01/21/2020
07/17/2020 304101859 30 2 3,500.00 9,323,734.15 9,413,989.49 8,500,000.00 02/29/2020 01/21/2020
06/17/2020 304101859 30 2 3,500.00 9,337,334.02 9,413,989.49 8,500,000.00 02/29/2020 01/21/2020
05/15/2020 304101859 30 2 3,500.00 9,349,608.49 9,413,989.49 8,500,000.00 02/29/2020 01/21/2020
04/17/2020 304101859 30 13 3,500.00 9,363,102.92 9,413,989.49 8,500,000.00 02/29/2020 01/21/2020
03/17/2020 304101859 30 13 3,500.00 9,375,268.89 9,413,989.49 13,900,000.00 02/15/2017 01/21/2020
02/18/2020 304101859 30 13 3,500.00 9,389,934.22 9,439,117.59 13,900,000.00 02/15/2017 01/21/2020
Reports Available at sf.citidirect.com v. 21.09.28 Page 31 of 38 © Copyright 2024 Citigroup

Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
HISTORICAL SPECIALLY SERVICED LOANS
July 17, 2024
Most Recent Most Recent
Servicer Master Servicer
Special Servicing Ending Ending Most Most Recent
Distribution Workout Fee Amount Scheduled Actual Recent Valuation Special
Date Loan ID OMCR Strategy (3) Plus Adjustments Balance Balance Value Date Transfer Date Return Date
05/17/2021 304101861 4 8 5,441.48 52,142,057.56 52,142,057.56 65,600,000.00 10/29/2020 08/19/2020 04/21/2021
04/16/2021 304101861 4 1 (72,815.41 ) 52,238,198.79 52,327,266.50 82,000,000.00 07/06/2017 08/19/2020
03/17/2021 304101861 4 1 10,195.91 52,327,266.50 53,238,204.74 82,000,000.00 07/06/2017 08/19/2020
02/18/2021 304101861 4 13 11,307.34 52,436,131.77 53,238,204.74 82,000,000.00 07/06/2017 08/19/2020
01/15/2021 304101861 4 13 11,326.27 52,524,413.46 53,238,204.74 82,000,000.00 07/06/2017 08/19/2020
12/17/2020 304101861 4 13 10,980.56 52,612,344.58 53,238,204.74 82,000,000.00 07/06/2017 08/19/2020
11/18/2020 304101861 4 13 11,365.35 52,706,678.26 53,238,204.74 82,000,000.00 07/06/2017 08/19/2020
10/19/2020 304101861 4 13 11,018.23 52,793,885.58 53,238,204.74 82,000,000.00 07/06/2017 08/19/2020
09/17/2020 304101861 4 13 6,621.75 52,887,521.50 53,238,204.74 82,000,000.00 07/06/2017 08/19/2020
05/15/2020 307971614 23 8 - 11,908,830.85 11,908,830.85 55,750,000.00 04/07/2017 04/17/2020
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1 July 17, 2024
UNSCHEDULED PRINCIPAL DETAIL
Liquidation / Liquid / Prepay Principal Principal Prepayment Interest Prepayment Yield Maintenance
Loan ID OMCR Prepayment Date Code (5) Collections Adjustments Excess / (Shortfall) Penalties (PPP) Penalties (YM)
No Loans with Unscheduled Principal Activity to Report.
Reports Available at sf.citidirect.com v. 21.09.28 Page 33 of 38 © Copyright 2024 Citigroup

Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1 July 17, 2024
HISTORICAL UNSCHEDULED PRINCIPAL DETAIL
Distribution Liquidation / Liquid / Prepay Principal Principal Prepayment Interest Prepayment Yield Maintenance
Date Loan ID OMCR Prepayment Date Code (5) Collections Adjustments Excess / (Shortfall) Penalties (PPP) Penalties (YM)
7/17/2023 300801627 44 06/28/2023 9 4,540,137.60 - - - 45,473.64
6/17/2022 307971614 23 06/03/2022 5 11,446,234.79 - - - -
5/17/2022 304101836 6 05/03/2022 2 42,000,000.00 - - - -
9/17/2019 1749084 22 08/01/2018 11 3,156,779.24 - - - 254,846.27
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1 July 17, 2024
LIQUIDATED LOAN DETAIL
Beginning Most Liquidation Net Net Realized Date of Loss with
Scheduled Recent Sales Proceeds Liquidation Proceeds Loss to Current Current Cumulative Cumulative
Loan ID OMCR Balance Value Price Received Expense Available Trust Adj. to Loan Adj. to Loan Adj. to Loan Adj. to Trust
No Loans liquidated to Report.
Reports Available at sf.citidirect.com v. 21.09.28 Page 35 of 38 © Copyright 2024 Citigroup

Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1 July 17, 2024
HISTORICAL LIQUIDATED LOAN
Beginning Most Liquidation Net Net Realized Date of Loss with
Distribution Scheduled Recent Sales Proceeds Liquidation Proceeds Loss to Current Current Cumulative Cumulative
Date Loan ID OMCR Balance Value Price Received Expense Available Trust Adj. to Loan Adj. to Loan Adj. to Loan Adj. to Trust
No Loans liquidated to Report.
Reports Available at sf.citidirect.com v. 21.09.28 Page 36 of 38 © Copyright 2024 Citigroup

Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1 July 17, 2024
CREFC® INVESTOR REPORTING PACKAGE LEGENDS
1|CREFC Investor Reporting Package Legends
Property Type (1) Workout Strategy (3) Liquidation/Prepayment Code (5)
MF Multifamily 1 Modification 1 Partial Liquidation (Curtailment)
RT Retail 2 Foreclosure 2 Payoff Prior To Maturity
HC HealthCare 3 Bankruptcy 3 Disposition / Liquidation
IN Industrial 4 Extension 4 Repurchase / Substitution
MH Mobile Home Park 5 Note Sale 5 Full Payoff At Maturity
OF Office 6 DPO 6 DPO
MU Mixed Use 7 REO 7 Liquidation prior to 7/1/2006
LO Lodging 8 Resolved 8 Payoff With Penalty
SS Self Storage 9 Pending Return to Master Servicer 9 Payoff With Yield Maintenance
SE Securities 10 Deed In Lieu of Foreclosure 10 Curtailment With Penalty
CH Cooperative Housing 11 Full Payoff 11 Curtailment With Yield Maintenance
ZZ Missing Information 12 Reps and Warranties
SF SF 13 TBD
WH Warehouse 98 Other
OT Other
Modification Code (4)
Payment Status of Loan (2)
1 Maturity Date Extension
A In Grace Period 2 Amortization Change
B Late, but less than 30 Days 3 Principal Write-Off
0 Current 4 Blank (formerly Combination)
1 30-59 Days Delinquent 5 Temporary Rate Reduction
2 60-89 Days Delinquent 6 Capitalization of Interest
3 90-120 Days Delinquent 7 Capitalization of Taxes
4 Performing Matured Balloon 8 Other
5 Non Performing Matured Balloon 9 Combination
6 121+ Days Delinquent 10 Forbearance
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1 July 17, 2024
NOTES
No Notes available for this deal at this time.
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