Citigroup Commercial Mortgage Trust 2017 B1

03/29/2024 | Press release | Distributed by Public on 03/29/2024 08:24

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
March 15, 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
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
DISTRIBUTION SUMMARY
March 15, 2024
Accrual PPP, YM, Other Non-Cash
Original Prior Pass-Through Day Interest Amounts Principal Total Realized Balance Current
Class Balance Balance Rate Count Distributed Distributed Distributed Distributed Loss 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 28,756,057.14 3.243000 % 30/360 77,713.24 - 635,916.18 713,629.42 - - 28,120,140.96
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 4.113205 % 30/360 126,477.61 - - 126,477.61 - - 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 22,174.78 - - 22,174.78 - - 23,481,024.00
R - - 0.000000 % 30/360 - - - - - - -
VRR 47,079,054.00 42,225,818.79 0.000000 % 30/360 142,504.72 - 33,469.27 175,973.99 - - 42,192,349.52
Total 941,581,078.00 844,516,374.30 2,386,295.46 - 669,385.45 3,055,680.91 - - 843,846,988.85
Notional
X-A 715,601,000.00 623,389,531.51 0.728077 % 30/360 378,229.66 - - 378,229.66 - (635,916.18 ) 622,753,615.33
X-B 38,016,000.00 38,016,000.00 0.150205 % 30/360 4,758.48 - - 4,758.48 - - 38,016,000.00
X-D 41,370,000.00 41,370,000.00 1.113205 % 30/360 38,377.73 - - 38,377.73 - - 41,370,000.00
X-E 21,245,000.00 21,245,000.00 0.813205 % 30/360 14,397.11 - - 14,397.11 - - 21,245,000.00
X-F 17,890,000.00 17,890,000.00 0.813205 % 30/360 12,123.52 - - 12,123.52 - - 17,890,000.00
X-H 23,481,024.00 23,481,024.00 0.813205 % 30/360 15,912.40 - - 15,912.40 - - 23,481,024.00
Total 857,603,024.00 765,391,555.51 463,798.90 - - 463,798.90 - (635,916.18 ) 764,755,639.33
Grand Total 1,799,184,102.00 1,609,907,929.81 2,850,094.36 - 669,385.45 3,519,479.81 - (635,916.18 ) 1,608,602,628.18
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
DISTRIBUTION SUMMARY - FACTORS
March 15, 2024
PPP, YM, Other Non-Cash
Record Interest Amounts Principal Total Realized Balance Current
Class CUSIP Date Distributed Distributed Distributed Distributed Loss Change Balance
A-1 17326 CAW4 02/29/2024 - - - - - - -
A-2 17326 CAX2 02/29/2024 - - - - - - -
A-3 17326 CAY0 02/29/2024 2.57797245 - - 2.57797245 - - 967.64683416
A-4 17326 CAZ7 02/29/2024 2.88166667 - - 2.88166667 - - 1,000.00000000
A-AB 17326 CBA1 02/29/2024 1.99828336 - 16.35166315 18.34994652 - - 723.06867987
A-S 17326 CBB9 02/29/2024 3.09249994 - - 3.09249994 - - 1,000.00000000
X-A 17326 CBE3 02/29/2024 0.52854826 - - 0.52854826 - - 870.25257836
X-B 17326 CBF0 02/29/2024 0.12517045 - - 0.12517045 - - 1,000.00000000
X-D 17326CAJ3 U1740GAE4 17326CAK0 02/29/2024 0.92767053 - - 0.92767053 - - 1,000.00000000
X-E 17326CAL8 U1740GAF1 17326CAM6 02/29/2024 0.67767051 - - 0.67767051 - - 1,000.00000000
X-F 17326CAN4 U1740GAG9 17326CAP9 02/29/2024 0.67767021 - - 0.67767021 - - 1,000.00000000
X-H 17326CBK9 U1740GAM6 17326CBL7 02/29/2024 0.67767062 - - 0.67767062 - - 1,000.00000000
B 17326 CBC7 02/29/2024 3.30250000 - - 3.30250000 - - 1,000.00000000
C 17326 CBD5 02/29/2024 3.42767040 - - 3.42767040 - - 1,000.00000000
D 17326CAA2 U1740GAA2 17326CAB0 02/29/2024 2.50000000 - - 2.50000000 - - 1,000.00000000
E 17326CAC8 U1740GAB0 17326CAD6 02/29/2024 2.75000000 - - 2.75000000 - - 1,000.00000000
F 17326CAE4 U1740GAC8 17326CAF1 02/29/2024 2.75000000 - - 2.75000000 - - 1,000.00000000
G 17326CAG9 U1740GAD6 17326CAH7 02/29/2024 2.75000000 - - 2.75000000 - - 1,000.00000000
H 17326CBG8 U1740GAL8 17326CBH6 02/29/2024 0.94437023 - - 0.94437023 - - 1,000.00000000
R 17326 CAU8 02/29/2024 - - - - - - -
VRR 17326 CAT1 02/29/2024 3.02692403 - 0.71091637 3.73784040 - - 896.20215224
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
DISTRIBUTION INFORMATION - INTEREST DETAIL
March 15, 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 % 02/01-02/29 - - - - - - - - -
A-2 3.05300 % 3.05300 % 3.05300 % 02/01-02/29 - - - - - - - - -
A-3 3.19700 % 3.19700 % 3.19700 % 02/01-02/29 631,603.25 - - - - 631,603.25 - - 631,603.25
A-4 3.45800 % 3.45800 % 3.45800 % 02/01-02/29 772,603.65 - - - - 772,603.65 - - 772,603.65
A-AB 3.24300 % 3.24300 % 3.24300 % 02/01-02/29 77,713.24 - - - - 77,713.24 - - 77,713.24
A-S 3.71100 % 3.71100 % 3.71100 % 02/01-02/29 276,624.12 - - - - 276,624.12 - - 276,624.12
B 3.96300 % 3.96300 % 3.96300 % 02/01-02/29 125,547.84 - - - - 125,547.84 - - 125,547.84
C 4.31828 % 4.11320 % 4.11320 % 02/01-02/29 126,477.61 - - - - 126,477.61 - - 126,477.61
D 3.00000 % 3.00000 % 3.00000 % 02/01-02/29 103,425.00 - - - - 103,425.00 - - 103,425.00
E 3.30000 % 3.30000 % 3.30000 % 02/01-02/29 58,423.75 - - - - 58,423.75 - - 58,423.75
F 3.30000 % 3.30000 % 3.30000 % 02/01-02/29 24,598.75 - - - - 24,598.75 - - 24,598.75
G 3.30000 % 3.30000 % 3.30000 % 02/01-02/29 24,598.75 - - - - 24,598.75 - - 24,598.75
H 3.30000 % 3.30000 % 3.30000 % 02/01-02/29 64,572.82 - - 45,408.25 - 22,174.78 - - 22,174.78
R 0.00000 % 0.00000 % 0.00000 % 02/01-02/29 - - - - - - - - -
VRR 0.00000 % 0.00000 % 0.00000 % 02/01-02/29 142,504.72 - - - - 142,504.72 - - 142,504.72
Total 2,428,693.50 - - 45,408.25 - 2,386,295.46 - - 2,386,295.46
Notional
X-A 1.00278 % 0.72808 % 0.72808 % 02/01-02/29 378,229.66 - - - - 378,229.66 - - 378,229.66
X-B 0.35528 % 0.15020 % 0.15020 % 02/01-02/29 4,758.48 - - - - 4,758.48 - - 4,758.48
X-D 1.31828 % 1.11320 % 1.11320 % 02/01-02/29 38,377.73 - - - - 38,377.73 - - 38,377.73
X-E 1.01828 % 0.81320 % 0.81320 % 02/01-02/29 14,397.11 - - - - 14,397.11 - - 14,397.11
X-F 1.01828 % 0.81320 % 0.81320 % 02/01-02/29 12,123.52 - - - - 12,123.52 - - 12,123.52
X-H 1.01828 % 0.81320 % 0.81320 % 02/01-02/29 15,912.40 - - - - 15,912.40 - - 15,912.40
Total 463,798.90 - - - - 463,798.90 - - 463,798.90
Grand Total 2,892,492.40 - - 45,408.25 - 2,850,094.36 - - 2,850,094.36
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
DISTRIBUTION INFORMATION - INTEREST SHORTFALL DETAIL
March 15, 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 - - - 1,094,620.17 3,010.21 42,398.04 - 1,140,028.41 - - - - -
R - - - - - - - - - - - - -
VRR - - - - - - - - - - - - -
Total - - - 1,094,620.17 3,010.21 42,398.04 - 1,140,028.41 - - - - -
Notional
X-A - - - - - - - - - - - - -
X-B - - - - - - - - - - - - -
X-D - - - - - - - - - - - - -
X-E - - - - - - - - - - - - -
X-F - - - - - - - - - - - - -
X-H - - - - - - - - - - - - -
Total - - - - - - - - - - - - -
Grand Total - - - 1,094,620.17 3,010.21 42,398.04 - 1,140,028.41 - - - - -
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
DISTRIBUTION INFORMATION - PRINCIPAL DETAIL
March 15, 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 % 33.47 %
A-2 - - - - - - - 5.61 % 0.00 % 30.00 % 33.47 %
A-3 237,073,474.37 - - - - 237,073,474.37 - 26.02 % 28.09 % 30.00 % 33.47 %
A-4 268,110,000.00 - - - - 268,110,000.00 - 28.47 % 31.77 % 30.00 % 33.47 %
A-AB 28,756,057.14 635,916.18 - - - 28,120,140.96 - 4.13 % 3.33 % 30.00 % 33.47 %
A-S 89,450,000.00 - - - - 89,450,000.00 - 9.50 % 10.60 % 20.00 % 22.32 %
B 38,016,000.00 - - - - 38,016,000.00 - 4.04 % 4.51 % 15.75 % 17.57 %
C 36,899,000.00 - - - - 36,899,000.00 - 3.92 % 4.37 % 11.63 % 12.97 %
D 41,370,000.00 - - - - 41,370,000.00 - 4.39 % 4.90 % 7.00 % 7.81 %
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 % 4.04 %
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 42,225,818.79 33,469.27 - - - 42,192,349.52 - 5.00 % 5.00 % 0.00 % 0.00 %
Total 844,516,374.30 669,385.45 - - - 843,846,988.85 - 99.99 % 99.99 %
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
RECONCILIATION DETAIL
March 15, 2024
SOURCE OF FUNDS ALLOCATION OF FUNDS
Interest Funds Available Scheduled Fees
Scheduled Interest 2,773,693.03 Servicing Fee 4,460.20
Prepayment Interest Shortfall - Trustee/Certificate Administrator Fee 4,490.01
Interest Adjustments - Operating Advisor Fee 734.78
ASER Amount - Asset Representations Reviewer Ongoing Fee 158.17
Realized Loss in Excess of Principal Balance - CREFC Intellectual Property Royalty License Fee 340.13
Total Interest Funds Available 2,773,693.03 Total Scheduled Fees 10,183.29
Principal Funds Available Additional Fees, Expenses, etc.
Scheduled Principal 669,385.45 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 669,385.45
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 96,561.56
Interest Distribution 2,850,094.36
Deposit of Withheld Amounts to the Interest Reserve Account -
Principal Distribution 669,385.45
Total Other Funds Available 96,561.56 Yield Maintenance Charge Distribution -
Total Distributions 3,519,479.81
Total Funds Available 3,539,640.04 Total Funds Allocated 3,539,640.04
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
OTHER INFORMATION
Interest Reserve Account Information
March 15, 2024
Beginning Interest Reserve Account Balance 96,561.56
Deposit of Withheld Amounts to the Interest Reserve Account 0.00
Withdrawal of Withheld Amounts from the Interest Reserve Account -96,561.56
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 89.620215 %
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
March 15, 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 48 843,846,988.88 100.00 4.1278 40 2.083784
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 48 843,846,988.88 100.00 4.1278 40 2.083784
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 13.81 3.6882 38 0.041130
1.251 to 1.500 7 107,354,630.65 12.72 4.4222 39 1.316404
1.501 to 1.750 7 115,136,855.00 13.64 4.4923 40 1.580051
1.751 to 2.000 2 47,375,371.07 5.61 4.3499 40 1.783889
2.001 to 2.250 9 140,508,116.31 16.65 4.1623 40 2.161020
2.251 to 2.500 6 91,239,200.62 10.81 4.2578 40 2.357593
2.501 to 2.750 3 47,164,119.12 5.59 4.2928 40 2.587467
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 40 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 41 3.652249
3.751 to 4.000 1 7,730,000.00 0.92 4.4050 41 3.878500
4.001 or Greater 4 134,457,000.00 15.93 3.6708 40 4.112896
Total 48 843,846,988.88 100.00 4.1278 40 2.083784
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
STRATIFICATION DETAIL
March 15, 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 17,775,358.98 2.11 4.7996 40 1.676648
10,000,001 to 15,000,000 4 53,361,739.23 6.32 4.1767 39 1.378492
15,000,001 to 20,000,000 2 30,700,000.00 3.64 3.3795 40 -0.660290
20,000,001 to 25,000,000 9 202,618,689.97 24.01 4.0686 39 2.585336
25,000,001 to 30,000,000 1 30,000,000.00 3.56 4.3660 41 1.622100
30,000,001 to 35,000,000 1 30,740,915.27 3.64 4.7240 41 2.375500
35,000,001 to 40,000,000 2 77,500,000.00 9.18 3.6932 40 2.067458
40,000,001 to 45,000,000 1 41,700,000.00 4.94 4.3200 41 1.763200
45,000,001 to 50,000,000 1 48,747,619.67 5.78 4.6300 41 1.550500
5,000,001 to 10,000,000 19 146,572,276.78 17.37 4.4954 40 2.133667
50,000,001 to 55,000,000 2 105,130,388.98 12.46 3.7794 40 2.660942
55,000,001 to 60,000,000 1 59,000,000.00 6.99 3.7700 41 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 48 843,846,988.88 100.00 4.1278 40 2.083784
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
STRATIFICATION DETAIL
March 15, 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 36.99 3.6095 40 2.380835
4.01 to 4.25 7 145,805,273.23 17.28 4.1446 38 1.774849
4.26 to 4.50 13 179,677,606.20 21.29 4.3653 40 2.187827
4.51 to 4.75 10 163,433,970.63 19.37 4.6429 40 1.867508
4.76 to 5.00 6 38,639,623.24 4.58 4.8637 39 1.356423
5.01 to 5.25 1 4,133,515.58 0.49 5.1100 40 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 48 843,846,988.88 100.00 4.1278 40 2.083784
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 4 110,608,475.51 13.11 4.6231 41 2.030427
Mixed Use 7 162,026,363.62 19.20 3.7891 40 3.228697
Multifamily 3 71,550,839.44 8.48 4.2869 40 2.090324
Office 8 129,629,655.65 15.36 4.2491 40 1.125604
Other 5 87,235,550.99 10.34 3.6102 40 0.500788
Retail 11 185,115,571.69 21.94 4.1424 39 1.934747
Self Storage 9 91,720,331.91 10.87 4.2449 40 3.272504
Total 48 843,846,988.88 100.00 4.1278 40 2.083784
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
STRATIFICATION DETAIL
March 15, 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 23 520,197,034.02 61.65 3.8786 40 2.280817
241 to 270 Months 1 48,747,619.67 5.78 4.6300 41 1.550500
271 to 300 Months 24 274,902,335.19 32.58 4.5103 40 1.805503
301 Months or Greater 0 0.00 0.00 0.0000 0 0.000000
Total 48 843,846,988.88 100.00 4.1278 40 2.083784
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 48 843,846,988.88 100.00 4.1278 40 2.083784
Total 48 843,846,988.88 100.00 4.1278 40 2.083784
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
STRATIFICATION DETAIL
March 15, 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 77,502,862.61 9.18 4.3851 40 2.234040
Florida 4 31,605,000.00 3.75 4.2439 40 3.236772
Georgia 0 0.00 0.00 0.0000 0 0.000000
Illinois 3 16,192,938.51 1.92 4.8528 40 1.187817
Indiana 1 4,812,224.99 0.57 4.7900 40 1.381200
Kansas 1 13,556,110.48 1.61 4.8500 37 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 22,250,297.67 2.64 4.5900 41 1.319200
N/A 3 67,700,000.00 8.02 3.4300 40 0.000000
Nevada 1 9,726,363.62 1.15 4.2591 40 2.402400
New Jersey 0 0.00 0.00 0.0000 0 0.000000
New York 11 237,477,645.53 28.14 3.9400 40 2.406081
North Carolina 0 0.00 0.00 0.0000 0 0.000000
Ohio 1 7,328,339.44 0.87 4.4890 40 2.275000
Pennsylvania 1 23,000,000.00 2.73 4.0510 40 3.183800
Texas 5 56,070,935.93 6.64 4.3864 40 2.215780
Various 0 0.00 0.00 0.0000 0 0.000000
Total 48 843,846,988.88 100.00 4.1278 40 2.083784
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
March 15, 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 03/09/2024 3.43000 % 69,076.39 - 25,000,000.00 25,000,000.00 06/09/2027 0 0 0
304101843 10 RT New York NY 03/06/2024 4.36600 % 105,511.67 - 30,000,000.00 30,000,000.00 08/06/2027 0 0 0
1749262 11 OF Troy MI 03/01/2024 4.59000 % 82,441.34 46,210.45 22,296,508.12 22,250,297.67 08/01/2027 0 0 0
1647690 12 RT Various XX 03/01/2024 4.19000 % 82,816.66 - 24,536,250.00 24,536,250.00 11/01/2026 0 0 0
1749833 13 LO Lafayette LA 03/01/2024 4.42000 % 76,188.50 45,281.71 21,397,924.01 21,352,642.30 08/01/2027 0 0 8
300801642 14 MU Lahaska PA 03/01/2024 4.05100 % 75,056.03 - 23,000,000.00 23,000,000.00 07/01/2027 0 0 0
1749778 15 MF Dallas TX 03/01/2024 4.16000 % 75,475.40 - 22,522,500.00 22,522,500.00 07/01/2027 0 0 0
304101831 16 MU Corona NY 03/06/2024 4.36000 % 77,268.89 - 22,000,000.00 22,000,000.00 07/06/2027 0 0 0
300801633 17 MU New Rochelle NY 03/01/2024 3.80000 % 65,813.89 - 21,500,000.00 21,500,000.00 07/01/2027 0 0 0
308511018 18 RT Torrance CA 03/01/2024 3.65750 % 60,272.86 - 20,457,000.00 20,457,000.00 06/01/2027 0 0 0
304101851 19 OF New York NY 03/06/2024 3.33000 % 41,578.75 - 15,500,000.00 15,500,000.00 08/06/2027 0 0 0
304101891 1 A N/A 03/09/2024 3.43000 % 41,445.83 - 15,000,000.00 15,000,000.00 06/09/2027 0 0 0
453011619 1 B N/A 03/09/2024 3.43000 % 41,998.44 - 15,200,000.00 15,200,000.00 06/09/2027 0 0 0
453011576 1 C N/A 03/09/2024 3.43000 % 103,614.58 - 37,500,000.00 37,500,000.00 06/09/2027 0 0 0
1749343 2 RT Metairie LA 03/01/2024 3.77000 % 179,179.72 - 59,000,000.00 59,000,000.00 08/01/2027 0 0 0
300801632 20 OF Wichita KS 03/01/2024 4.85000 % 53,070.03 27,402.97 13,583,513.45 13,556,110.48 04/01/2027 0 0 0
304101858 21 SS Various XX 03/06/2024 4.51000 % 52,064.12 25,042.39 14,330,671.14 14,305,628.75 08/06/2027 0 0 0
1749084 22 RT Plano TX 03/01/2024 4.64000 % 31,964.82 40,140.45 8,551,824.94 8,511,684.49 08/01/2027 0 0 0
1648607 24 LO El Paso TX 03/01/2024 4.71500 % 37,173.97 19,975.41 9,787,273.68 9,767,298.27 08/01/2027 0 8 8
1749362 25 OF Houston TX 03/01/2024 4.25000 % 32,917.88 20,875.75 9,614,957.85 9,594,082.10 07/01/2027 0 0 0
304101839 26 N/A Maitland FL 03/06/2024 3.92000 % 33,156.67 - 10,500,000.00 10,500,000.00 07/06/2027 0 0 0
1647637 27 OF Rochester NY 03/01/2024 4.28000 % 30,005.30 26,510.31 8,702,794.33 8,676,284.02 08/01/2027 0 11 0
308511028 28 N/A Various XX 03/01/2024 4.60000 % 33,551.19 18,742.38 9,054,293.37 9,035,550.99 08/01/2027 0 0 0
203041833 29 MU Reno NV 03/06/2024 4.25906 % 33,424.56 15,822.48 9,742,186.10 9,726,363.62 07/06/2027 0 0 0
1749761 3 OF Milwaukee WI 03/01/2024 4.14000 % 175,846.71 97,259.20 52,727,648.18 52,630,388.98 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 03/06/2024 4.08000 % 27,752.59 15,630.91 8,443,992.56 8,428,361.65 08/06/2027 0 0 0
308511032 32 RT Hercules CA 03/06/2024 4.74000 % 31,733.40 12,555.40 8,310,798.34 8,298,242.94 08/06/2027 0 0 0
1749956 33 MU Brooklyn NY 03/01/2024 4.40000 % 29,418.89 - 8,300,000.00 8,300,000.00 08/01/2027 0 0 0
300801641 34 MF Marysville OH 03/01/2024 4.48900 % 26,547.03 12,923.46 7,341,262.90 7,328,339.44 07/01/2027 0 0 0
300801651 35 SS Miami Gardens FL 03/01/2024 4.40500 % 27,429.69 - 7,730,000.00 7,730,000.00 08/01/2027 0 0 0
300801648 36 SS Hialeah FL 03/01/2024 4.40500 % 24,307.03 - 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
March 15, 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 03/01/2024 4.40500 % 23,153.78 - 6,525,000.00 6,525,000.00 08/01/2027 0 0 0
1749521 38 RT Saugerties NY 04/01/2024 4.73000 % 23,283.11 9,244.55 6,110,606.06 6,101,361.51 08/01/2027 0 0 0
304101856 39 RT Brooklyn NY 03/06/2024 4.45000 % 22,225.28 - 6,200,000.00 6,200,000.00 08/06/2027 0 0 0
304101861 4 LO San Diego CA 03/06/2024 4.63000 % 182,245.67 115,447.94 48,863,067.61 48,747,619.67 08/06/2027 0 8 8
300801659 40 MH Brookings OR 03/01/2024 4.92000 % 23,657.10 8,791.42 5,968,991.49 5,960,200.07 08/01/2027 0 0 0
304101838 41 SS Balch Springs TX 03/06/2024 4.57000 % 20,929.69 9,900.29 5,685,271.36 5,675,371.07 07/06/2027 0 0 0
300801640 42 SS Castle Rock CO 03/01/2024 4.23500 % 17,410.85 9,843.10 5,103,533.60 5,093,690.50 07/01/2027 0 0 0
1749567 43 RT Goshen IN 03/01/2024 4.79000 % 18,601.88 8,649.30 4,820,874.29 4,812,224.99 07/01/2027 0 0 0
1749823 45 OF Barrington IL 03/01/2024 5.11000 % 17,048.46 8,091.39 4,141,606.97 4,133,515.58 07/01/2027 0 0 0
300801653 46 SS Shreveport LA 03/01/2024 4.77300 % 14,900.91 6,935.78 3,875,484.42 3,868,548.64 08/01/2027 0 0 0
300801652 47 OF Skokie IL 03/01/2024 4.37700 % 11,618.55 6,210.15 3,295,186.97 3,288,976.82 08/01/2027 0 0 0
300801650 48 SS Baton Rouge LA 03/01/2024 4.95300 % 6,683.19 2,927.96 1,675,020.91 1,672,092.95 08/01/2027 0 0 0
300801657 5 MU Bronx NY 03/01/2024 3.41800 % 144,552.92 - 52,500,000.00 52,500,000.00 08/01/2027 0 0 0
304101849 7 MF New York NY 03/06/2024 4.32000 % 145,116.00 - 41,700,000.00 41,700,000.00 08/06/2027 0 0 0
308511008 8 SS Various XX 03/06/2024 3.94000 % 126,955.56 - 40,000,000.00 40,000,000.00 07/06/2027 0 0 0
300801656 9 LO Various XX 03/01/2024 4.72400 % 117,207.25 58,970.30 30,799,885.57 30,740,915.27 08/01/2027 0 0 0
Total Count = 48 2,773,693.03 669,385.45 844,516,374.33 843,846,988.88
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
NOI DETAIL
March 15, 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 25,000,000.00 188,786,685.40 145,579,826.26 01/01/2023 09/30/2023
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 22,250,297.67 2,494,575.61 1,938,381.06 01/01/2023 09/30/2023
1647690 12 RT Various XX 24,536,250.00 1,262,697.58 880,871.13 01/01/2023 09/30/2023
1749833 13 LO Lafayette LA 21,352,642.30 4,100,782.00 4,189,683.60 10/01/2022 09/30/2023
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 56,041,547.00 43,330,349.00 01/01/2023 09/30/2023
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 13,556,110.48 1,230,397.39 1,088,531.98 Not Available Not Available
304101858 21 SS Various XX 14,305,628.75 1,988,476.79 1,519,099.74 Not Available Not Available
1749084 22 RT Plano TX 8,511,684.49 1,272,584.00 966,211.00 Not Available Not Available
1648607 24 LO El Paso TX 9,767,298.27 2,016,830.92 1,893,046.77 07/01/2022 06/30/2023
1749362 25 OF Houston TX 9,594,082.10 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 8,676,284.02 1,739,971.00 1,636,284.00 Not Available Not Available
308511028 28 N/A Various XX 9,035,550.99 958,280.00 1,083,641.00 01/01/2023 09/30/2023
203041833 29 MU Reno NV 9,726,363.62 11,955,550.70 9,218,061.32 01/01/2023 09/30/2023
1749761 3 OF Milwaukee WI 52,630,388.98 8,902,302.07 6,815,948.94 01/01/2023 09/30/2023
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 8,428,361.65 860,189.02 687,249.65 Not Available Not Available
308511032 32 RT Hercules CA 8,298,242.94 908,887.00 679,816.00 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 7,328,339.44 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
March 15, 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 6,101,361.51 666,934.70 501,223.77 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 48,747,619.67 6,170,340.52 6,268,393.55 Not Available Not Available
300801659 40 MH Brookings OR 5,960,200.07 792,245.45 654,255.59 Not Available Not Available
304101838 41 SS Balch Springs TX 5,675,371.07 688,898.78 542,533.41 Not Available Not Available
300801640 42 SS Castle Rock CO 5,093,690.50 697,896.91 509,000.37 Not Available Not Available
1749567 43 RT Goshen IN 4,812,224.99 492,742.83 363,910.10 Not Available Not Available
1749823 45 OF Barrington IL 4,133,515.58 480,602.00 349,424.25 01/01/2023 09/30/2023
300801653 46 SS Shreveport LA 3,868,548.64 466,900.54 226,954.97 Not Available Not Available
300801652 47 OF Skokie IL 3,288,976.82 533,990.60 474,908.54 01/01/2023 09/30/2023
300801650 48 SS Baton Rouge LA 1,672,092.95 151,113.47 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 30,740,915.27 5,660,121.80 5,654,565.86 Not Available Not Available
Total Count = 48 843,846,988.88 363,908,260.45 283,609,527.72
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Citigroup Commercial Mortgage Trust 2017-B1
Commercial Mortgage Pass-Through Certificates, Series 2017-B1
DELINQUENCY LOAN DETAIL
March 15, 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 (35.33 ) 1,757,500.51 398,501.93 237,538.52 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
March 15, 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
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 % 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
01/18/2024
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
12/15/2023
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
11/17/2023
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
10/17/2023
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 8,786,301 0 0 0 0 0 0
09/15/2023
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 2.1 % 0.0 % 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 % 0.0 % 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 % 0.0 % 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 % 0.0 % 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 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
0 0 0 0 0 0 1 8,861,054 0 0 0 0 0 0
04/17/2023
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 2.0 % 0.0 % 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
March 15, 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
March 15, 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
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
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
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
March 15, 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
7/16/2021 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
March 15, 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
March 15, 2024
Distribution Modification Modification
Date Loan ID OMCR Property Name Date Code (4)
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
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
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
March 15, 2024
Distribution Modification Modification
Date Loan ID OMCR Property Name Date Code (4)
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
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
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
March 15, 2024
Distribution Modification Modification
Date Loan ID OMCR Property Name Date Code (4)
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
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
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
March 15, 2024
Distribution Modification Modification
Date Loan ID OMCR Property Name Date Code (4)
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
March 15, 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 8,676,284.02 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 17,446,730.13 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
March 15, 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
03/15/2024 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
02/18/2021 1648607 24 1 - 10,395,520.76 10,395,520.76 12,800,000.00 09/28/2020 08/10/2020
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
March 15, 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
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
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
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
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
March 15, 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
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
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
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
March 15, 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
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 March 15, 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 March 15, 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 March 15, 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 March 15, 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 March 15, 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 March 15, 2024
NOTES
No Notes available for this deal at this time.
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