Citigroup Commercial Mortgage Trust 2017 B1

04/30/2024 | Press release | Distributed by Public on 04/30/2024 09:16

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
April 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:
John Hannon Citibank, Agency and Trust
(212) 816-5693 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
Reports Available at sf.citidirect.com v. 21.09.28 Page 1 of 38 © Copyright 2024 Citigroup

Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
DISTRIBUTION SUMMARY
April 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 28,120,140.96 3.243000 % 30/360 75,994.68 - 561,192.14 637,186.82 - - 27,558,948.82
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 4.249887 % 30/360 130,680.48 - - 130,680.48 - - 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 17,321.72 - - 17,321.72 - - 23,481,024.00
R - - 0.000000 % 30/360 - - - - - - -
VRR 47,079,054.00 42,192,349.52 0.000000 % 30/360 146,940.36 - 29,536.43 176,476.79 - - 42,162,813.09
Total 941,581,078.00 843,846,988.85 2,388,362.35 - 590,728.57 2,979,090.92 - - 843,256,260.28
Notional
X-A 715,601,000.00 622,753,615.33 0.864614 % 30/360 448,701.35 - - 448,701.35 - (561,192.14 ) 622,192,423.19
X-B 38,016,000.00 38,016,000.00 0.286887 % 30/360 9,088.58 - - 9,088.58 - - 38,016,000.00
X-D 41,370,000.00 41,370,000.00 1.249887 % 30/360 43,089.85 - - 43,089.85 - - 41,370,000.00
X-E 21,245,000.00 21,245,000.00 0.949887 % 30/360 16,816.96 - - 16,816.96 - - 21,245,000.00
X-F 17,890,000.00 17,890,000.00 0.949887 % 30/360 14,161.24 - - 14,161.24 - - 17,890,000.00
X-H 23,481,024.00 23,481,024.00 0.949887 % 30/360 18,586.93 - - 18,586.93 - - 23,481,024.00
Total 857,603,024.00 764,755,639.33 550,444.91 - - 550,444.91 - (561,192.14 ) 764,194,447.19
Grand Total 1,799,184,102.00 1,608,602,628.18 2,938,807.26 - 590,728.57 3,529,535.83 - (561,192.14 ) 1,607,450,707.47
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
April 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 03/29/2024 - - - - - - -
A-2 17326 CAX2 03/29/2024 - - - - - - -
A-3 17326 CAY0 03/29/2024 2.57797245 - - 2.57797245 - - 967.64683416
A-4 17326 CAZ7 03/29/2024 2.88166667 - - 2.88166667 - - 1,000.00000000
A-AB 17326 CBA1 03/29/2024 1.95409308 - 14.43024274 16.38433582 - - 708.63843713
A-S 17326 CBB9 03/29/2024 3.09249994 - - 3.09249994 - - 1,000.00000000
X-A 17326 CBE3 03/29/2024 0.62702728 - - 0.62702728 - - 869.46835344
X-B 17326 CBF0 03/29/2024 0.23907250 - - 0.23907250 - - 1,000.00000000
X-D 17326CAJ3 U1740GAE4 17326CAK0 03/29/2024 1.04157240 - - 1.04157240 - - 1,000.00000000
X-E 17326CAL8 U1740GAF1 17326CAM6 03/29/2024 0.79157261 - - 0.79157261 - - 1,000.00000000
X-F 17326CAN4 U1740GAG9 17326CAP9 03/29/2024 0.79157295 - - 0.79157295 - - 1,000.00000000
X-H 17326CBK9 U1740GAM6 17326CBL7 03/29/2024 0.79157238 - - 0.79157238 - - 1,000.00000000
B 17326 CBC7 03/29/2024 3.30250000 - - 3.30250000 - - 1,000.00000000
C 17326 CBD5 03/29/2024 3.54157240 - - 3.54157240 - - 1,000.00000000
D 17326CAA2 U1740GAA2 17326CAB0 03/29/2024 2.50000000 - - 2.50000000 - - 1,000.00000000
E 17326CAC8 U1740GAB0 17326CAD6 03/29/2024 2.75000000 - - 2.75000000 - - 1,000.00000000
F 17326CAE4 U1740GAC8 17326CAF1 03/29/2024 2.75000000 - - 2.75000000 - - 1,000.00000000
G 17326CAG9 U1740GAD6 17326CAH7 03/29/2024 2.75000000 - - 2.75000000 - - 1,000.00000000
H 17326CBG8 U1740GAL8 17326CBH6 03/29/2024 0.73769015 - - 0.73769015 - - 1,000.00000000
R 17326 CAU8 03/29/2024 - - - - - - -
VRR 17326 CAT1 03/29/2024 3.12114088 - 0.62737943 3.74852031 - - 895.57477281
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
DISTRIBUTION INFORMATION - INTEREST DETAIL
April 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 % 03/01-03/31 - - - - - - - - -
A-2 3.05300 % 3.05300 % 3.05300 % 03/01-03/31 - - - - - - - - -
A-3 3.19700 % 3.19700 % 3.19700 % 03/01-03/31 631,603.25 - - - - 631,603.25 - - 631,603.25
A-4 3.45800 % 3.45800 % 3.45800 % 03/01-03/31 772,603.65 - - - - 772,603.65 - - 772,603.65
A-AB 3.24300 % 3.24300 % 3.24300 % 03/01-03/31 75,994.68 - - - - 75,994.68 - - 75,994.68
A-S 3.71100 % 3.71100 % 3.71100 % 03/01-03/31 276,624.12 - - - - 276,624.12 - - 276,624.12
B 3.96300 % 3.96300 % 3.96300 % 03/01-03/31 125,547.84 - - - - 125,547.84 - - 125,547.84
C 4.31828 % 4.24989 % 4.24989 % 03/01-03/31 130,680.48 - - - - 130,680.48 - - 130,680.48
D 3.00000 % 3.00000 % 3.00000 % 03/01-03/31 103,425.00 - - - - 103,425.00 - - 103,425.00
E 3.30000 % 3.30000 % 3.30000 % 03/01-03/31 58,423.75 - - - - 58,423.75 - - 58,423.75
F 3.30000 % 3.30000 % 3.30000 % 03/01-03/31 24,598.75 - - - - 24,598.75 - - 24,598.75
G 3.30000 % 3.30000 % 3.30000 % 03/01-03/31 24,598.75 - - - - 24,598.75 - - 24,598.75
H 3.30000 % 3.30000 % 3.30000 % 03/01-03/31 64,572.82 - - 50,386.18 - 17,321.72 - - 17,321.72
R 0.00000 % 0.00000 % 0.00000 % 03/01-03/31 - - - - - - - - -
VRR 0.00000 % 0.00000 % 0.00000 % 03/01-03/31 146,940.36 - - - - 146,940.36 - - 146,940.36
Total 2,435,613.45 - - 50,386.18 - 2,388,362.35 - - 2,388,362.35
Notional
X-A 1.00278 % 0.86461 % 0.86461 % 03/01-03/31 448,701.35 - - - - 448,701.35 - - 448,701.35
X-B 0.35528 % 0.28689 % 0.28689 % 03/01-03/31 9,088.58 - - - - 9,088.58 - - 9,088.58
X-D 1.31828 % 1.24989 % 1.24989 % 03/01-03/31 43,089.85 - - - - 43,089.85 - - 43,089.85
X-E 1.01828 % 0.94989 % 0.94989 % 03/01-03/31 16,816.96 - - - - 16,816.96 - - 16,816.96
X-F 1.01828 % 0.94989 % 0.94989 % 03/01-03/31 14,161.24 - - - - 14,161.24 - - 14,161.24
X-H 1.01828 % 0.94989 % 0.94989 % 03/01-03/31 18,586.93 - - - - 18,586.93 - - 18,586.93
Total 550,444.91 - - - - 550,444.91 - - 550,444.91
Grand Total 2,986,058.36 - - 50,386.18 - 2,938,807.26 - - 2,938,807.26
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
DISTRIBUTION INFORMATION - INTEREST SHORTFALL DETAIL
April 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 - - - 1,140,028.41 3,135.08 47,251.10 - 1,190,414.59 - - - - -
R - - - - - - - - - - - - -
VRR - - - - - - - - - - - - -
Total - - - 1,140,028.41 3,135.08 47,251.10 - 1,190,414.59 - - - - -
Notional
X-A - - - - - - - - - - - - -
X-B - - - - - - - - - - - - -
X-D - - - - - - - - - - - - -
X-E - - - - - - - - - - - - -
X-F - - - - - - - - - - - - -
X-H - - - - - - - - - - - - -
Total - - - - - - - - - - - - -
Grand Total - - - 1,140,028.41 3,135.08 47,251.10 - 1,190,414.59 - - - - -
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
DISTRIBUTION INFORMATION - PRINCIPAL DETAIL
April 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 % 33.50 %
A-2 - - - - - - - 5.61 % 0.00 % 30.00 % 33.50 %
A-3 237,073,474.37 - - - - 237,073,474.37 - 26.02 % 28.11 % 30.00 % 33.50 %
A-4 268,110,000.00 - - - - 268,110,000.00 - 28.47 % 31.79 % 30.00 % 33.50 %
A-AB 28,120,140.96 561,192.14 - - - 27,558,948.82 - 4.13 % 3.27 % 30.00 % 33.50 %
A-S 89,450,000.00 - - - - 89,450,000.00 - 9.50 % 10.61 % 20.00 % 22.33 %
B 38,016,000.00 - - - - 38,016,000.00 - 4.04 % 4.51 % 15.75 % 17.59 %
C 36,899,000.00 - - - - 36,899,000.00 - 3.92 % 4.38 % 11.63 % 12.98 %
D 41,370,000.00 - - - - 41,370,000.00 - 4.39 % 4.91 % 7.00 % 7.82 %
E 21,245,000.00 - - - - 21,245,000.00 - 2.26 % 2.52 % 4.63 % 5.16 %
F 8,945,000.00 - - - - 8,945,000.00 - 0.95 % 1.06 % 3.63 % 4.05 %
G 8,945,000.00 - - - - 8,945,000.00 - 0.95 % 1.06 % 2.62 % 2.93 %
H 23,481,024.00 - - - - 23,481,024.00 - 2.49 % 2.78 % 0.00 % 0.00 %
R - - - - - - - 0.00 % 0.00 % 0.00 % 0.00 %
VRR 42,192,349.52 29,536.43 - - - 42,162,813.09 - 5.00 % 5.00 % 0.00 % 0.00 %
Total 843,846,988.85 590,728.57 - - - 843,256,260.28 - 99.99 % 100.00 %
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
RECONCILIATION DETAIL
April 17, 2024
SOURCE OF FUNDS ALLOCATION OF FUNDS
Interest Funds Available Scheduled Fees
Scheduled Interest 2,962,379.21 Servicing Fee 4,763.43
Prepayment Interest Shortfall - Trustee/Certificate Administrator Fee 4,795.86
Interest Adjustments - Operating Advisor Fee 784.85
ASER Amount - Asset Representations Reviewer Ongoing Fee 168.98
Realized Loss in Excess of Principal Balance - CREFC Intellectual Property Royalty License Fee 363.33
Total Interest Funds Available 2,962,379.21 Total Scheduled Fees 10,876.45
Principal Funds Available Additional Fees, Expenses, etc.
Scheduled Principal 590,728.57 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 2,718.56
Borrower Reimbursable Trust Fund Expenses -
Total Principal Funds Available 590,728.57
Other Expenses -
Other Funds Available
Yield Maintenance Charges - Total Additional Fees, Expenses, etc. 12,695.50
Withdrawal of Withheld Amounts from the Interest Reserve Distributions
Account -
Interest Distribution 2,938,807.26
Deposit of Withheld Amounts to the Interest Reserve Account -
Principal Distribution 590,728.57
Total Other Funds Available - Yield Maintenance Charge Distribution -
Total Distributions 3,529,535.83
Total Funds Available 3,553,107.78 Total Funds Allocated 3,553,107.78
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
OTHER INFORMATION
Interest Reserve Account Information
April 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 89.557477 %
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
April 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 48 843,256,260.31 100.00 4.1275 39 2.086581
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 48 843,256,260.31 100.00 4.1275 39 2.086581
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 6 116,506,696.11 13.82 3.6882 37 0.060063
1.251 to 1.500 7 107,187,754.33 12.71 4.4222 38 1.316399
1.501 to 1.750 7 114,984,706.86 13.64 4.4923 39 1.580078
1.751 to 2.000 2 47,366,875.25 5.62 4.3499 39 1.783861
2.001 to 2.250 9 140,408,416.32 16.65 4.1620 39 2.161063
2.251 to 2.500 6 91,121,324.27 10.81 4.2574 39 2.357590
2.501 to 2.750 3 47,118,487.17 5.59 4.2927 39 2.587512
2.751 to 3.000 0 0.00 0.00 0.0000 0 0.000000
3.001 to 3.250 1 23,000,000.00 2.73 4.0510 39 3.183800
3.251 to 3.500 0 0.00 0.00 0.0000 0 0.000000
3.501 to 3.750 2 13,375,000.00 1.59 4.4050 40 3.652249
3.751 to 4.000 1 7,730,000.00 0.92 4.4050 40 3.878500
4.001 or Greater 4 134,457,000.00 15.94 3.6708 39 4.112896
Total 48 843,256,260.31 100.00 4.1275 39 2.086581
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
STRATIFICATION DETAIL
April 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 17,747,157.23 2.10 4.7996 39 1.676635
10,000,001 to 15,000,000 4 53,316,332.81 6.32 4.1763 38 1.378160
15,000,001 to 20,000,000 2 30,700,000.00 3.64 3.3795 39 -0.660290
20,000,001 to 25,000,000 9 202,537,782.80 24.02 4.0684 38 2.596494
25,000,001 to 30,000,000 1 30,000,000.00 3.56 4.3660 40 1.622100
30,000,001 to 35,000,000 1 30,689,788.35 3.64 4.7240 40 2.375500
35,000,001 to 40,000,000 2 77,500,000.00 9.19 3.6932 39 2.067458
40,000,001 to 45,000,000 1 41,700,000.00 4.95 4.3200 40 1.763200
45,000,001 to 50,000,000 1 48,644,280.11 5.77 4.6300 40 1.550500
5,000,001 to 10,000,000 19 146,376,008.60 17.36 4.4954 39 2.133775
50,000,001 to 55,000,000 2 105,044,910.41 12.46 3.7792 39 2.662061
55,000,001 to 60,000,000 1 59,000,000.00 7.00 3.7700 40 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 48 843,256,260.31 100.00 4.1275 39 2.086581
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
STRATIFICATION DETAIL
April 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 37.02 3.6095 39 2.380835
4.01 to 4.25 7 145,678,662.60 17.28 4.1445 37 1.790313
4.26 to 4.50 13 179,582,717.61 21.30 4.3653 39 2.187685
4.51 to 4.75 10 163,118,565.31 19.34 4.6429 39 1.867538
4.76 to 5.00 6 38,592,750.44 4.58 4.8637 38 1.356179
5.01 to 5.25 1 4,126,564.35 0.49 5.1100 39 1.376100
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 48 843,256,260.31 100.00 4.1275 39 2.086581
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 4 110,396,316.56 13.09 4.6231 40 2.030500
Mixed Use 7 162,012,788.25 19.21 3.7891 39 3.228767
Multifamily 3 71,539,696.85 8.48 4.2869 39 2.090296
Office 8 129,424,008.05 15.35 4.2489 39 1.125005
Other 5 87,219,048.24 10.34 3.6100 39 0.500459
Retail 11 185,038,206.76 21.94 4.1422 38 1.946716
Self Storage 9 91,673,192.67 10.87 4.2447 39 3.273160
Total 48 843,256,260.31 100.00 4.1275 39 2.086581
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
STRATIFICATION DETAIL
April 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 23 520,172,495.34 61.69 3.8786 39 2.285052
241 to 270 Months 1 48,644,280.11 5.77 4.6300 40 1.550500
271 to 300 Months 24 274,439,484.86 32.55 4.5103 39 1.805421
301 Months or Greater 0 0.00 0.00 0.0000 0 0.000000
Total 48 843,256,260.31 100.00 4.1275 39 2.086581
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 48 843,256,260.31 100.00 4.1275 39 2.086581
Total 48 843,256,260.31 100.00 4.1275 39 2.086581
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
STRATIFICATION DETAIL
April 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 77,389,104.91 9.18 4.3847 39 2.235033
Florida 4 31,605,000.00 3.75 4.2439 39 3.236772
Georgia 0 0.00 0.00 0.0000 0 0.000000
Illinois 3 16,180,555.01 1.92 4.8528 39 1.187239
Indiana 1 4,804,822.90 0.57 4.7900 39 1.381200
Kansas 1 13,532,253.07 1.60 4.8500 36 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 22,209,590.18 2.63 4.5900 40 1.319200
N/A 3 67,700,000.00 8.03 3.4300 39 0.000000
Nevada 1 9,712,788.25 1.15 4.2591 39 2.402400
New Jersey 0 0.00 0.00 0.0000 0 0.000000
New York 11 237,445,430.37 28.16 3.9399 39 2.406093
North Carolina 0 0.00 0.00 0.0000 0 0.000000
Ohio 1 7,317,196.85 0.87 4.4890 39 2.275000
Pennsylvania 1 23,000,000.00 2.73 4.0510 39 3.183800
Texas 5 55,988,169.01 6.64 4.3862 39 2.216176
Various 0 0.00 0.00 0.0000 0 0.000000
Total 48 843,256,260.31 100.00 4.1275 39 2.086581
Reports Available at sf.citidirect.com v. 21.09.28 Page 13 of 38 © Copyright 2024 Citigroup

Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
MORTGAGE LOAN DETAIL
April 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 04/09/2024 3.43000 % 73,840.28 - 25,000,000.00 25,000,000.00 06/09/2027 0 0 0
304101843 10 RT New York NY 04/06/2024 4.36600 % 112,788.33 - 30,000,000.00 30,000,000.00 08/06/2027 0 0 0
1749262 11 OF Troy MI 04/01/2024 4.59000 % 87,944.30 40,707.49 22,250,297.67 22,209,590.18 08/01/2027 0 0 0
1647690 12 RT Various XX 04/01/2024 4.19000 % 88,528.15 - 24,536,250.00 24,536,250.00 11/01/2026 0 0 0
1749833 13 LO Lafayette LA 04/01/2024 4.42000 % 81,270.53 40,199.68 21,352,642.30 21,312,442.62 08/01/2027 0 0 8
300801642 14 MU Lahaska PA 04/01/2024 4.05100 % 80,232.31 - 23,000,000.00 23,000,000.00 07/01/2027 0 0 0
1749778 15 MF Dallas TX 04/01/2024 4.16000 % 80,680.60 - 22,522,500.00 22,522,500.00 07/01/2027 0 0 0
304101831 16 MU Corona NY 04/06/2024 4.36000 % 82,597.78 - 22,000,000.00 22,000,000.00 07/06/2027 0 0 0
300801633 17 MU New Rochelle NY 04/01/2024 3.80000 % 70,352.78 - 21,500,000.00 21,500,000.00 07/01/2027 0 0 0
308511018 18 RT Torrance CA 04/01/2024 3.65750 % 64,429.61 - 20,457,000.00 20,457,000.00 06/01/2027 0 0 0
304101851 19 OF New York NY 04/06/2024 3.33000 % 44,446.25 - 15,500,000.00 15,500,000.00 08/06/2027 0 0 0
304101891 1 A N/A 04/09/2024 3.43000 % 44,304.17 - 15,000,000.00 15,000,000.00 06/09/2027 0 0 0
453011619 1 B N/A 04/09/2024 3.43000 % 44,894.89 - 15,200,000.00 15,200,000.00 06/09/2027 0 0 0
453011576 1 C N/A 04/09/2024 3.43000 % 110,760.42 - 37,500,000.00 37,500,000.00 06/09/2027 0 0 0
1749343 2 RT Metairie LA 04/01/2024 3.77000 % 191,536.94 - 59,000,000.00 59,000,000.00 08/01/2027 0 0 0
300801632 20 OF Wichita KS 04/01/2024 4.85000 % 56,615.59 23,857.41 13,556,110.48 13,532,253.07 04/01/2027 0 0 0
304101858 21 SS Various XX 04/06/2024 4.51000 % 55,557.50 21,549.01 14,305,628.75 14,284,079.74 08/06/2027 0 0 0
1749084 22 RT Plano TX 04/01/2024 4.64000 % 34,008.91 38,096.36 8,511,684.49 8,473,588.13 08/01/2027 0 0 0
1648607 24 LO El Paso TX 04/01/2024 4.71500 % 39,656.59 17,492.79 9,767,298.27 9,749,805.48 08/01/2027 0 8 8
1749362 25 OF Houston TX 04/01/2024 4.25000 % 35,111.68 18,681.95 9,594,082.10 9,575,400.15 07/01/2027 0 0 0
304101839 26 N/A Maitland FL 04/06/2024 3.92000 % 35,443.33 - 10,500,000.00 10,500,000.00 07/06/2027 0 0 0
1647637 27 OF Rochester NY 03/01/2024 4.28000 % 31,976.93 24,538.68 8,676,284.02 8,651,745.34 08/01/2027 B 11 0
308511028 28 N/A Various XX 04/01/2024 4.60000 % 35,790.82 16,502.75 9,035,550.99 9,019,048.24 08/01/2027 0 0 0
203041833 29 MU Reno NV 04/06/2024 4.25906 % 35,671.67 13,575.37 9,726,363.62 9,712,788.25 07/06/2027 0 0 0
1749761 3 OF Milwaukee WI 04/01/2024 4.14000 % 187,627.34 85,478.57 52,630,388.98 52,544,910.41 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 04/06/2024 4.08000 % 29,611.64 13,771.86 8,428,361.65 8,414,589.79 08/06/2027 0 0 0
308511032 32 RT Hercules CA 04/06/2024 4.74000 % 33,870.66 10,418.14 8,298,242.94 8,287,824.80 08/06/2027 0 0 0
1749956 33 MU Brooklyn NY 04/01/2024 4.40000 % 31,447.78 - 8,300,000.00 8,300,000.00 08/01/2027 0 0 0
300801641 34 MF Marysville OH 04/01/2024 4.48900 % 28,327.90 11,142.59 7,328,339.44 7,317,196.85 07/01/2027 0 0 0
300801651 35 SS Miami Gardens FL 04/01/2024 4.40500 % 29,321.39 - 7,730,000.00 7,730,000.00 08/01/2027 0 0 0
300801648 36 SS Hialeah FL 04/01/2024 4.40500 % 25,983.38 - 6,850,000.00 6,850,000.00 08/01/2027 0 0 0
Reports Available at sf.citidirect.com v. 21.09.28 Page 14 of 38 © Copyright 2024 Citigroup

Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
MORTGAGE LOAN DETAIL
April 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 04/01/2024 4.40500 % 24,750.59 - 6,525,000.00 6,525,000.00 08/01/2027 0 0 0
1749521 38 RT Saugerties NY 05/01/2024 4.73000 % 24,851.18 7,676.48 6,101,361.51 6,093,685.03 08/01/2027 0 0 0
304101856 39 RT Brooklyn NY 04/06/2024 4.45000 % 23,758.06 - 6,200,000.00 6,200,000.00 08/06/2027 0 0 0
304101861 4 LO San Diego CA 04/06/2024 4.63000 % 194,354.05 103,339.56 48,747,619.67 48,644,280.11 08/06/2027 0 8 8
300801659 40 MH Brookings OR 04/01/2024 4.92000 % 25,251.38 7,197.14 5,960,200.07 5,953,002.93 08/01/2027 0 0 0
304101838 41 SS Balch Springs TX 04/06/2024 4.57000 % 22,334.16 8,495.82 5,675,371.07 5,666,875.25 07/06/2027 0 0 0
300801640 42 SS Castle Rock CO 04/01/2024 4.23500 % 18,575.70 8,678.25 5,093,690.50 5,085,012.25 07/01/2027 0 0 0
1749567 43 RT Goshen IN 04/01/2024 4.79000 % 19,849.09 7,402.09 4,812,224.99 4,804,822.90 07/01/2027 0 0 0
1749823 45 OF Barrington IL 04/01/2024 5.11000 % 18,188.62 6,951.23 4,133,515.58 4,126,564.35 07/01/2027 0 0 0
300801653 46 SS Shreveport LA 04/01/2024 4.77300 % 15,900.06 5,936.63 3,868,548.64 3,862,612.01 08/01/2027 0 0 0
300801652 47 OF Skokie IL 04/01/2024 4.37700 % 12,396.43 5,432.27 3,288,976.82 3,283,544.55 08/01/2027 0 0 0
300801650 48 SS Baton Rouge LA 04/01/2024 4.95300 % 7,131.62 2,479.53 1,672,092.95 1,669,613.42 08/01/2027 0 0 0
300801657 5 MU Bronx NY 04/01/2024 3.41800 % 154,522.08 - 52,500,000.00 52,500,000.00 08/01/2027 0 0 0
304101849 7 MF New York NY 04/06/2024 4.32000 % 155,124.00 - 41,700,000.00 41,700,000.00 08/06/2027 0 0 0
308511008 8 SS Various XX 04/06/2024 3.94000 % 135,711.11 - 40,000,000.00 40,000,000.00 07/06/2027 0 0 0
300801656 9 LO Various XX 04/01/2024 4.72400 % 125,050.63 51,126.92 30,740,915.27 30,689,788.35 08/01/2027 0 0 0
Total Count = 48 2,962,379.21 590,728.57 843,846,988.88 843,256,260.31
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
NOI DETAIL
April 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 25,000,000.00 192,107,241.44 145,579,826.26 Not Available Not Available
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 22,209,590.18 2,664,327.97 1,938,381.06 Not Available Not Available
1647690 12 RT Various XX 24,536,250.00 1,262,697.58 959,021.13 01/01/2023 09/30/2023
1749833 13 LO Lafayette LA 21,312,442.62 4,332,656.00 4,189,683.60 Not Available Not Available
300801642 14 MU Lahaska PA 23,000,000.00 2,546,109.66 2,389,598.02 Not Available Not Available
1749778 15 MF Dallas TX 22,522,500.00 2,571,273.00 1,943,991.98 Not Available Not Available
304101831 16 MU Corona NY 22,000,000.00 2,042,846.75 1,648,425.87 01/01/2023 09/30/2023
300801633 17 MU New Rochelle NY 21,500,000.00 3,737,242.33 3,049,321.97 01/01/2023 09/30/2023
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 18,255,610.39 11,995,780.74 01/01/2023 09/30/2023
300801632 20 OF Wichita KS 13,532,253.07 1,230,397.39 1,088,531.98 Not Available Not Available
304101858 21 SS Various XX 14,284,079.74 1,988,476.79 1,519,099.74 Not Available Not Available
1749084 22 RT Plano TX 8,473,588.13 1,272,584.00 966,211.00 Not Available Not Available
1648607 24 LO El Paso TX 9,749,805.48 1,507,765.38 1,893,046.77 Not Available Not Available
1749362 25 OF Houston TX 9,575,400.15 1,270,602.00 955,770.89 Not Available Not Available
304101839 26 N/A Maitland FL 10,500,000.00 936,702.00 700,208.00 Not Available Not Available
1647637 27 OF Rochester NY 8,651,745.34 1,739,971.00 1,636,284.00 Not Available Not Available
308511028 28 N/A Various XX 9,019,048.24 958,280.00 1,083,641.00 01/01/2023 09/30/2023
203041833 29 MU Reno NV 9,712,788.25 11,955,550.70 9,218,061.32 01/01/2023 09/30/2023
1749761 3 OF Milwaukee WI 52,544,910.41 9,026,935.30 6,815,948.94 Not Available Not Available
304101859 30 RT Chicago IL 8,770,446.11 401,132.00 84,600.00 Not Available Not Available
304101862 31 RT Ka'anapali HI 8,414,589.79 860,189.02 687,249.65 Not Available Not Available
308511032 32 RT Hercules CA 8,287,824.80 908,887.00 679,816.00 Not Available Not Available
1749956 33 MU Brooklyn NY 8,300,000.00 516,555.07 371,684.75 Not Available Not Available
300801641 34 MF Marysville OH 7,317,196.85 1,103,850.00 833,040.52 Not Available Not Available
300801651 35 SS Miami Gardens FL 7,730,000.00 1,323,803.56 1,015,845.28 Not Available Not Available
300801648 36 SS Hialeah FL 6,850,000.00 1,112,332.28 852,001.77 Not Available Not Available
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
April 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 1,005,319.28 798,720.26 Not Available Not Available
1749521 38 RT Saugerties NY 6,093,685.03 666,934.70 501,223.77 Not Available Not Available
304101856 39 RT Brooklyn NY 6,200,000.00 602,642.15 330,075.00 Not Available Not Available
304101861 4 LO San Diego CA 48,644,280.11 6,170,340.52 6,268,393.55 Not Available Not Available
300801659 40 MH Brookings OR 5,953,002.93 792,245.45 654,255.59 Not Available Not Available
304101838 41 SS Balch Springs TX 5,666,875.25 688,898.78 542,533.41 Not Available Not Available
300801640 42 SS Castle Rock CO 5,085,012.25 697,896.91 509,000.37 Not Available Not Available
1749567 43 RT Goshen IN 4,804,822.90 492,742.83 363,910.10 Not Available Not Available
1749823 45 OF Barrington IL 4,126,564.35 517,661.24 349,424.25 Not Available Not Available
300801653 46 SS Shreveport LA 3,862,612.01 466,900.54 226,954.97 Not Available Not Available
300801652 47 OF Skokie IL 3,283,544.55 624,530.17 474,908.54 Not Available Not Available
300801650 48 SS Baton Rouge LA 1,669,613.42 151,113.47 78,499.57 Not Available Not Available
300801657 5 MU Bronx NY 52,500,000.00 6,598,974.18 5,834,092.64 01/01/2023 09/30/2023
304101849 7 MF New York NY 41,700,000.00 3,282,372.81 2,432,229.61 01/01/2023 09/30/2023
308511008 8 SS Various XX 40,000,000.00 13,483,569.23 9,710,027.81 01/01/2023 09/30/2023
300801656 9 LO Various XX 30,689,788.35 5,660,121.80 5,654,565.86 Not Available Not Available
Total Count = 48 843,256,260.31 370,436,593.35 283,687,677.72
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
DELINQUENCY LOAN DETAIL
April 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
1647637 27 8,676,284.02 03/01/2024 56,515.61 56,478.25 2,247.26 52,176.00 B 11 09/20/2021
304101859 30 9,401,987.23 01/06/2020 - 1,757,500.51 418,081.40 237,538.52 3 2 01/21/2020
Total Count = 2 18,078,271.25 56,515.61 1,813,978.76 420,328.66 289,714.52
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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
April 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
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 %
0 0 0 0 0 0 1 8,815,428 0 0 0 0 0 0
07/17/2023
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 8,831,099 0 0 0 0 0 0
06/16/2023
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 2.0 % 1.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
0 0 0 0 0 0 1 8,845,505 0 0 0 0 0 0
05/17/2023
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 2.0 % 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
April 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
1647637 27 Clinton Crossings Medical Office 8,676,284.02 8,651,745.34 - 12/11/2023 - -
304101859 30 4901 West Irving Park 8,770,446.11 8,770,446.11 6,077,655.10 02/12/2024 - 571,999.49
Total Count = 2 17,446,730.13 17,422,191.45 6,077,655.10 - 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
April 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
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
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
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
April 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
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
April 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
April 17, 2024
Distribution Modification Modification
Date Loan ID OMCR Property Name Date Code (4)
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
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
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
April 17, 2024
Distribution Modification Modification
Date Loan ID OMCR Property Name Date Code (4)
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
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
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
April 17, 2024
Distribution Modification Modification
Date Loan ID OMCR Property Name Date Code (4)
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
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
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
April 17, 2024
Distribution Modification Modification
Date Loan ID OMCR Property Name Date Code (4)
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
April 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 8,651,745.34 8,676,284.02 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 17,422,191.45 18,078,271.25 22,700,000.00
Reports Available at sf.citidirect.com v. 21.09.28 Page 28 of 38 © Copyright 2024 Citigroup

Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
HISTORICAL SPECIALLY SERVICED LOANS
April 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
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
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
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
April 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
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
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
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
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
April 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
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
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
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
April 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
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 April 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 April 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 April 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 April 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 April 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 April 17, 2024
NOTES
No Notes available for this deal at this time.
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