Citigroup Commercial Mortgage Trust 2017-C4

08/27/2026 | Press release | Distributed by Public on 08/27/2026 12:43

Asset-Backed Issuer Distribution Report (Form 10-D)


Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
STATEMENT TO NOTEHOLDERS
August 14, 2026
TRANSACTION PARTIES
Depositor: Citigroup Commercial Mortgage Securities Inc.
Master Servicer: Midland Loan Services, a Division of PNC Bank N.A.
Certificate Administrator: Citibank, N.A.
Trustee: Wilmington Trust, National Association
Special Servicer: Midland Loan Services, a Division of PNC Bank N.A.
Asset Representations Reviewer /
Park Bridge Lender Services LLC
Operating Advisor:
Danny Lee Citibank, Agency and Trust
(212) 816-4936 388 Greenwich Street Trading, 4th Floor
[email protected] New York, NY 10013
TABLE OF CONTENTS
1 . Distribution Summary 2
1.1 . Summary 2
1.2 . Factors 3
2 . Distribution Detail 4
2.1 . Interest Detail 4
2.2 . Interest Shortfall Detail 5
2.3 . Principal Detail 6
3 . Reconciliation Detail 7
4 . Other Information 8
5 . Stratification Detail 9
6 . Mortgage Loan Detail 14
7 . NOI Detail 16
8 . Delinquency Loan Detail 18
9 . Collateral Performance Delinquency and Loan Status Detail 19
10 . Appraisal Reduction Detail 20
11 . Historical Appraisal Reduction Detail 21
12 . Loan Modification Detail 24
13 . Historical Loan Modification Detail 25
14 . Specially Serviced Loan Detail 35
15 . Historical Specially Serviced Loan Detail 36
16 . Unscheduled Principal Detail 40
17 . Historical Unscheduled Principal Detail 41
18 . Liquidated Loan Detail 42
19 . Historical Liquidated Loan Detail 43
20 . CREFC Investor Reporting Package Legends 44
21 . Notes 45
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Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
DISTRIBUTION SUMMARY
August 14, 2026
Accretion
&
Non-Cash
Accrual Other Balance
Original Prior Pass-Through Day Interest (As Interest) Principal Total Realized Loss Increase/ Current
Class Balance Balance Rate Count Distributed Distributed Distributed Distributed /(Recovery) (Decrease) Balance
A-1 27,750,000.00 - 2.121000 % 30/360 - - - - - - -
A-2 103,900,000.00 - 3.190000 % 30/360 - - - - - - -
A-3 240,000,000.00 176,965,078.79 3.209000 % 30/360 473,234.11 21,770.32 17,935,115.71 18,430,120.14 - - 159,029,963.08
A-4 271,691,000.00 271,691,000.00 3.471000 % 30/360 785,866.22 - - 785,866.22 - - 271,691,000.00
A-AB 40,600,000.00 8,213,090.55 3.297000 % 30/360 22,565.47 1,478.00 856,848.34 880,891.81 - - 7,356,242.21
A-S 73,280,000.00 73,280,000.00 3.764000 % 30/360 229,854.93 - - 229,854.93 - - 73,280,000.00
B 45,189,000.00 45,189,000.00 4.096000 % 30/360 154,245.12 - - 154,245.12 - - 45,189,000.00
C 40,304,000.00 40,304,000.00 4.285749 % 30/360 143,944.02 - - 143,944.02 - - 40,304,000.00
D 29,311,000.00 29,311,000.00 3.000000 % 30/360 73,277.50 - - 73,277.50 - - 29,311,000.00
E-RR 21,984,000.00 21,984,000.00 4.535749 % 30/360 83,094.92 - - 83,094.92 - - 21,984,000.00
F-RR 12,214,000.00 12,214,000.00 4.535749 % 30/360 46,166.36 - - 46,166.36 - - 12,214,000.00
G-RR 12,213,000.00 12,213,000.00 4.535749 % 30/360 46,162.58 - - 46,162.58 - - 12,213,000.00
H-RR 9,770,000.00 9,770,000.00 4.535749 % 30/360 36,928.56 - - 36,928.56 - - 9,770,000.00
J-RR 48,853,893.00 48,853,893.00 4.535749 % 30/360 224,838.86 - - 224,838.86 - - 48,853,893.00
S - - 0.000000 % 30/360 - - - - - - -
R - - 0.000000 % 30/360 - - - - - - -
Total 977,059,893.00 749,988,062.34 2,320,178.65 23,248.32 18,791,964.05 21,135,391.02 - - 731,196,098.29
Notional
X-A 757,221,000.00 530,149,169.34 1.114401 % 30/360 492,332.22 258,646.08 - 750,978.30 - (18,791,964.05 ) 511,357,205.29
X-B 85,493,000.00 85,493,000.00 0.350296 % 30/360 24,956.52 - - 24,956.52 - - 85,493,000.00
X-D 29,311,000.00 29,311,000.00 1.535749 % 30/360 37,511.95 - - 37,511.95 - - 29,311,000.00
Total 872,025,000.00 644,953,169.34 554,800.69 258,646.08 - 813,446.77 - (18,791,964.05 ) 626,161,205.29
Grand Total 1,849,084,893 1,394,941,232 2,874,979.34 281,894.40 18,791,964.05 21,948,837.79 - (18,791,964.05 ) 1,357,357,304
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Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
DISTRIBUTION SUMMARY - FACTORS
August 14, 2026
Accretion
&
Non-Cash
Other Balance
Record Interest (As Interest) Principal Total Realized Loss Increase/ Current
Class CUSIP Date Distributed Distributed Distributed Distributed /(Recovery) (Decrease) Balance
A-1 17326 FAA5 07/31/2026 - - - - - - -
A-2 17326 FAB3 07/31/2026 - - - - - - -
A-3 17326 FAC1 07/31/2026 1.97180879 0.09070967 74.72964879 76.79216725 - - 662.62484617
A-4 17326 FAD9 07/31/2026 2.89250001 - - 2.89250001 - - 1,000.00000000
A-AB 17326 FAE7 07/31/2026 0.55579975 0.03640394 21.10463892 21.69684261 - - 181.18823177
A-S 17326 FAH0 07/31/2026 3.13666662 - - 3.13666662 - - 1,000.00000000
X-A 17326 FAF4 07/31/2026 0.65018300 0.34157278 - 0.99175578 - - 675.30774409
B 17326 FAJ6 07/31/2026 3.41333333 - - 3.41333333 - - 1,000.00000000
C 17326 FAK3 07/31/2026 3.57145742 - - 3.57145742 - - 1,000.00000000
X-B 17326 FAG2 07/31/2026 0.29191302 - - 0.29191302 - - 1,000.00000000
D 17326FAL1 U1746HAA4 07/31/2026 2.50000000 - - 2.50000000 - - 1,000.00000000
X-D 17326FAY3 U1746HAG1 07/31/2026 1.27979086 - - 1.27979086 - - 1,000.00000000
E-RR 17326 FAP2 07/31/2026 3.77979076 - - 3.77979076 - - 1,000.00000000
F-RR 17326 FAR8 07/31/2026 3.77979040 - - 3.77979040 - - 1,000.00000000
G-RR 17326 FAT4 07/31/2026 3.77979039 - - 3.77979039 - - 1,000.00000000
H-RR 17326 FAV9 07/31/2026 3.77979120 - - 3.77979120 - - 1,000.00000000
J-RR 17326 FAX5 07/31/2026 4.60227110 - - 4.60227110 - - 1,000.00000000
S 17326 FBD8 07/31/2026 - - - - - - -
R 17326 FBA4 07/31/2026 - - - - - - -
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Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
DISTRIBUTION INFORMATION - INTEREST DETAIL
August 14, 2026
Rate Interest Shortfall Paid
Cap
Accrual Net Accreted Non Carry Cap Carryover Carryover
Class Uncapped Capped Next Dates Accrued /Deferred Recovered Forward /Basis Risk Accrued Carry Forward /Basis Risk Total
A-1 2.12100 % 2.12100 % 2.12100 % 07/01-07/31 - - - - - - - - -
A-2 3.19000 % 3.19000 % 3.19000 % 07/01-07/31 - - - - - - - - -
A-3 3.20900 % 3.20900 % 3.20900 % 07/01-07/31 473,234.11 - - - - 473,234.11 - - 495,004.43
A-4 3.47100 % 3.47100 % 3.47100 % 07/01-07/31 785,866.22 - - - - 785,866.22 - - 785,866.22
A-AB 3.29700 % 3.29700 % 3.29700 % 07/01-07/31 22,565.47 - - - - 22,565.47 - - 24,043.47
A-S 3.76400 % 3.76400 % 3.76400 % 07/01-07/31 229,854.93 - - - - 229,854.93 - - 229,854.93
B 4.09600 % 4.09600 % 4.09600 % 07/01-07/31 154,245.12 - - - - 154,245.12 - - 154,245.12
C 4.34400 % 4.28575 % 4.28575 % 07/01-07/31 143,944.02 - - - - 143,944.02 - - 143,944.02
D 3.00000 % 3.00000 % 3.00000 % 07/01-07/31 73,277.50 - - - - 73,277.50 - - 73,277.50
E-RR 4.59400 % 4.53575 % 4.53575 % 07/01-07/31 83,094.92 - - - - 83,094.92 - - 83,094.92
F-RR 4.59400 % 4.53575 % 4.53575 % 07/01-07/31 46,166.36 - - - - 46,166.36 - - 46,166.36
G-RR 4.59400 % 4.53575 % 4.53575 % 07/01-07/31 46,162.58 - - - - 46,162.58 - - 46,162.58
H-RR 4.59400 % 4.53575 % 4.53575 % 07/01-07/31 36,928.56 - - - - 36,928.56 - - 36,928.56
J-RR 4.59400 % 4.53575 % 4.53575 % 07/01-07/31 184,657.50 - - 1,225.99 - 184,657.50 40,181.36 - 224,838.86
S 0.00000 % 0.00000 % 0.00000 % 07/01-07/31 - - - - - - - - -
R 0.00000 % 0.00000 % 0.00000 % 07/01-07/31 - - - - - - - - -
Total 2,279,997.29 - - 1,225.99 - 2,279,997.29 40,181.36 - 2,343,426.97
Notional
X-A 1.27500 % 1.11440 % 1.11440 % 07/01-07/31 492,332.22 - - - - 492,332.22 - - 750,978.30
X-B 0.38100 % 0.35030 % 0.35030 % 07/01-07/31 24,956.52 - - - - 24,956.52 - - 24,956.52
X-D 1.59400 % 1.53575 % 1.53575 % 07/01-07/31 37,511.95 - - - - 37,511.95 - - 37,511.95
Total 554,800.69 - - - - 554,800.69 - - 813,446.77
Grand Total 2,834,797.98 - - 1,225.99 - 2,834,797.98 40,181.36 - 3,156,873.74
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Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
DISTRIBUTION INFORMATION - INTEREST SHORTFALL DETAIL
August 14, 2026
Cap Carryover /
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-RR - - - - - - - - - - - - -
F-RR - - - - - - - - - - - - -
G-RR - - - - - - - - - - - - -
H-RR - - - - - - - - - - - - -
J-RR - - - 324,355.10 1,225.99 - 40,181.36 285,399.73 - - - - -
S - - - - - - - - - - - - -
R - - - - - - - - - - - - -
Total - - - 324,355.10 1,225.99 - 40,181.36 285,399.73 - - - - -
Notional
X-A - - - - - - - - - - - - -
X-B - - - - - - - - - - - - -
X-D - - - - - - - - - - - - -
Total - - - - - - - - - - - - -
Grand Total - - - 324,355.10 1,225.99 - 40,181.36 285,399.73 - - - - -
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Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
DISTRIBUTION INFORMATION - PRINCIPAL DETAIL
August 14, 2026
Accretion
&
Non-Cash
Balance Cumulative
Prior Principal Accreted Realized Loss Increase/ Current Realized Class % Class % Sub % Sub %
Class Balance Distributed Principal /(Recovery) (Decrease) Balance Loss Original Current Original Current
A-1 - - - - - - - 2.84 % 0.00 % 30.00 % 40.09 %
A-2 - - - - - - - 10.63 % 0.00 % 30.00 % 40.09 %
A-3 176,965,078.79 17,935,115.71 - - - 159,029,963.08 - 24.56 % 21.75 % 30.00 % 40.09 %
A-4 271,691,000.00 - - - - 271,691,000.00 - 27.81 % 37.16 % 30.00 % 40.09 %
A-AB 8,213,090.55 856,848.34 - - - 7,356,242.21 - 4.16 % 1.01 % 30.00 % 40.09 %
A-S 73,280,000.00 - - - - 73,280,000.00 - 7.50 % 10.02 % 22.50 % 30.07 %
B 45,189,000.00 - - - - 45,189,000.00 - 4.62 % 6.18 % 17.88 % 23.89 %
C 40,304,000.00 - - - - 40,304,000.00 - 4.13 % 5.51 % 13.75 % 18.37 %
D 29,311,000.00 - - - - 29,311,000.00 - 3.00 % 4.01 % 10.75 % 14.36 %
E-RR 21,984,000.00 - - - - 21,984,000.00 - 2.25 % 3.01 % 8.50 % 11.36 %
F-RR 12,214,000.00 - - - - 12,214,000.00 - 1.25 % 1.67 % 7.25 % 9.69 %
G-RR 12,213,000.00 - - - - 12,213,000.00 - 1.25 % 1.67 % 6.00 % 8.02 %
H-RR 9,770,000.00 - - - - 9,770,000.00 - 1.00 % 1.34 % 5.00 % 6.68 %
J-RR 48,853,893.00 - - - - 48,853,893.00 - 5.00 % 6.68 % 0.00 % 0.00 %
S - - - - - - - 0.00 % 0.00 % 0.00 % 0.00 %
R - - - - - - - 0.00 % 0.00 % 0.00 % 0.00 %
Total 749,988,062.34 18,791,964.05 - - - 731,196,098.29 - 100.00 % 100.00 %
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Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
RECONCILIATION DETAIL
August 14, 2026
SOURCE OF FUNDS ALLOCATION OF FUNDS
Interest Funds Available Scheduled Fees
Scheduled Interest 2,849,383.42 Servicing Fee 8,827.02
Gross Prepayment Interest Shortfall - Trustee/Certificate Administrator Fee 4,133.30
Interest Adjustments - Operating Advisor Fee 1,134.32
ASER Amount 9,332.41 Asset Representations Reviewer Ongoing Fee 167.92
Realized Loss in Excess of Principal Balance - CREFC Intellectual Property Royalty License Fee 322.89
Total Interest Funds Available 2,858,715.83 Total Scheduled Fees 14,585.45
Principal Funds Available Additional Fees, Expenses, etc.
Scheduled Principal 707,795.97 Additional Servicing Fee -
Curtailments - Special Servicing Fee (35,000.00 )
Unscheduled Principal Collections 18,084,168.08 Work-out Fee 468.84
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 3,682.20
Borrower Reimbursable Trust Fund Expenses -
Total Principal Funds Available 18,791,964.05
Other Expenses -
Other Funds Available
Yield Maintenance Charges 281,894.40 Total Additional Fees, Expenses, etc. (30,848.96 )
Withdrawal of Withheld Amounts from the Interest Reserve Distributions
Account -
Interest Distribution 2,874,979.34
Deposit of Withheld Amounts to the Interest Reserve Account -
Principal Distribution 18,791,964.05
Total Other Funds Available 281,894.40 Yield Maintenance Charge Distribution 281,894.40
Total Distributions 21,948,837.79
Total Funds Available 21,932,574.28
Total Funds Allocated 21,932,574.28
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Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
OTHER INFORMATION
Interest Reserve Account Information
August 14, 2026
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 74.836364 %
Controlling Class Information
Controlling Class is Class J-RR.
The Controlling Class Representative is KKR Real Estate Credit Opportunity Partners Aggregator I L.P.
There Are No Disclosable Special Servicer Fees.
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Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
STRATIFICATION DETAIL
August 14, 2026
Anticipated Remaining Term
Anticipated Remaining Asset Ending Scheduled % of Wtd Avg
Term Range Count Balance Agg.Bal. WAC WAM DSCR
60 Months or Less 44 714,754,892.59 97.75 4.3795 12 1.688436
61 to 90 Months 3 16,441,206.46 2.25 5.0412 62 0.913246
91 Months or Greater 0 0.00 0.00 0.0000 0 0.000000
Total 47 731,196,099.05 100.00 4.3944 13 1.671006
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 15 327,712,839.13 44.82 4.5630 14 0.972761
1.251 to 1.500 4 32,854,700.98 4.49 4.2132 13 1.318288
1.501 to 1.750 7 70,531,766.66 9.65 4.6182 12 1.637431
1.751 to 2.000 10 92,949,657.19 12.71 4.6136 12 1.845984
2.001 to 2.250 0 0.00 0.00 0.0000 0 0.000000
2.251 to 2.500 4 78,032,681.61 10.67 3.9714 14 2.403519
2.501 to 2.750 2 49,419,789.61 6.76 4.2921 13 2.564327
2.751 to 3.000 2 44,852,103.79 6.13 3.9860 13 2.931718
3.001 to 3.250 1 2,742,560.08 0.38 4.9850 12 3.240000
3.251 to 3.500 0 0.00 0.00 0.0000 0 0.000000
3.501 to 3.750 1 25,000,000.00 3.42 3.2500 10 3.530000
3.751 to 4.000 0 0.00 0.00 0.0000 0 0.000000
4.001 or Greater 1 7,100,000.00 0.97 4.1000 13 4.190000
Total 47 731,196,099.05 100.00 4.3944 13 1.671006
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Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
STRATIFICATION DETAIL
August 14, 2026
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 11 31,772,355.25 4.35 4.8003 14 1.939611
10,000,001 to 15,000,000 3 39,028,866.36 5.34 4.5834 12 1.218836
15,000,001 to 20,000,000 4 70,189,513.32 9.60 4.6674 22 1.488096
20,000,001 to 25,000,000 7 164,020,315.31 22.43 4.2560 12 1.850029
25,000,001 to 30,000,000 2 55,940,658.04 7.65 4.5675 13 1.078691
30,000,001 to 35,000,000 2 68,529,364.30 9.37 4.6217 10 1.142747
35,000,001 to 40,000,000 2 74,369,346.27 10.17 4.1001 12 1.590773
40,000,001 to 45,000,000 1 41,000,000.00 5.61 3.9950 13 2.930000
45,000,001 to 50,000,000 1 50,000,000.00 6.84 3.6000 15 2.450000
5,000,001 to 10,000,000 11 76,345,680.20 10.44 4.7864 12 1.822720
50,000,001 to 55,000,000 0 0.00 0.00 0.0000 0 0.000000
55,000,001 to 60,000,000 1 60,000,000.00 8.21 4.4953 13 1.100000
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 47 731,196,099.05 100.00 4.3944 13 1.671006
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Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
STRATIFICATION DETAIL
August 14, 2026
Loan Rate
Asset Ending Scheduled % of Wtd Avg
Loan Rate Range Count Balance Agg.Bal. WAC WAM DSCR
4.00 or Less 5 144,670,362.92 19.79 3.7251 13 2.592126
4.01 to 4.25 4 116,469,346.27 15.93 4.1151 12 1.583711
4.26 to 4.50 8 180,241,318.92 24.65 4.4414 12 1.263388
4.51 to 4.75 13 187,596,748.14 25.66 4.6382 12 1.599049
4.76 to 5.00 5 15,270,000.30 2.09 4.9316 12 1.820030
5.01 to 5.25 10 75,196,263.92 10.28 5.1116 21 1.275923
5.26 to 5.50 1 2,042,681.61 0.28 5.2850 12 2.460000
5.51 to 5.75 1 9,709,376.97 1.33 5.5470 12 0.610000
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 47 731,196,099.05 100.00 4.3944 13 1.671006
Property Type
Asset Ending Scheduled % of Wtd Avg
Property Type Range Count Balance Agg.Bal. WAC WAM DSCR
Industrial 1 7,100,000.00 0.97 4.1000 13 4.190000
Lodging 7 113,632,986.31 15.54 4.6711 10 1.171148
Mixed Use 7 134,201,514.46 18.35 4.3066 12 1.703816
Multifamily 3 44,517,681.61 6.09 4.7454 12 1.584601
Office 9 209,618,748.46 28.67 4.1526 13 1.651558
Other 1 6,000,000.00 0.82 5.2500 10 1.700000
Retail 14 182,013,224.84 24.89 4.3843 17 1.822206
Self Storage 1 5,063,021.79 0.69 4.9150 13 1.220000
Total 47 731,196,099.05 100.00 4.3944 13 1.671006
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Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
STRATIFICATION DETAIL
August 14, 2026
Remaining Amortization Term
Remaining Amortization Asset Ending Scheduled % of Wtd Avg
Term Range Count Balance Agg.Bal. WAC WAM DSCR
240 Months or Less 23 417,225,792.48 57.06 4.2992 12 1.836016
241 to 270 Months 24 313,970,306.57 42.94 4.5208 14 1.451728
271 to 300 Months 0 0.00 0.00 0.0000 0 0.000000
301 Months or Greater 0 0.00 0.00 0.0000 0 0.000000
Total 47 731,196,099.05 100.00 4.3944 13 1.671006
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 1 980,000.00 0.13 5.0600 74 1.280000
49 Months or Greater 46 730,216,099.05 99.87 4.3935 13 1.671530
Total 47 731,196,099.05 100.00 4.3944 13 1.671006
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Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
STRATIFICATION DETAIL
August 14, 2026
State
Asset Ending Scheduled % of Wtd Avg
State Range Count Balance Agg.Bal. WAC WAM DSCR
California 9 151,724,040.16 20.75 4.6436 11 1.726091
Colorado 3 21,739,996.93 2.97 4.6706 12 2.444347
Connecticut 1 2,042,681.61 0.28 5.2850 12 2.460000
Delaware 0 0.00 0.00 0.0000 0 0.000000
District of Columbia 1 50,000,000.00 6.84 3.6000 15 2.450000
Florida 2 21,000,000.00 2.87 4.4760 12 1.730000
Georgia 6 20,093,281.46 2.75 4.6520 12 1.924696
Illinois 0 0.00 0.00 0.0000 0 0.000000
Iowa 1 980,000.00 0.13 5.0600 74 1.280000
Kentucky 1 37,153,423.02 5.08 4.0400 11 0.670000
Louisiana 1 24,818,259.13 3.39 3.9840 12 1.320000
Maryland 0 0.00 0.00 0.0000 0 0.000000
Massachusetts 3 92,475,000.00 12.65 4.5397 13 1.324874
Michigan 1 3,229,972.66 0.44 4.9800 12 1.600000
Missouri 1 6,000,000.00 0.82 5.2500 10 1.700000
Nevada 0 0.00 0.00 0.0000 0 0.000000
New York 2 60,000,000.00 8.21 3.7750 11 2.077500
North Carolina 1 8,428,094.67 1.15 4.5340 12 1.870000
Ohio 1 2,675,946.49 0.37 5.1500 13 1.330000
Pennsylvania 1 26,289,706.17 3.60 4.7000 14 1.190000
South Carolina 1 5,650,209.94 0.77 4.6400 13 1.760000
Texas 0 0.00 0.00 0.0000 0 0.000000
Utah 1 5,063,021.79 0.69 4.9150 13 1.220000
Various 6 116,702,879.54 15.96 4.5906 19 1.110704
Virginia 1 24,000,000.00 3.28 4.5110 12 1.980000
Washington 1 6,277,481.69 0.86 5.0250 14 1.190000
West Virginia 1 3,852,103.79 0.53 3.8900 13 2.950000
Wisconsin 1 41,000,000.00 5.61 3.9950 13 2.930000
Total 47 731,196,099.05 100.00 4.3944 13 1.671006
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Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
MORTGAGE LOAN DETAIL
August 14, 2026
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 )
30313280 1 MU Boston MA 08/06/2026 4.49530 % 232,257.17 - 60,000,000.00 60,000,000.00 09/06/2027 0 0 0
30313291 10 RT Baton Rouge LA 08/01/2026 3.98400 % 85,308.22 48,109.91 24,866,369.04 24,818,259.13 08/01/2027 0 0 0
30313292 11 RT Langhorne PA 08/06/2026 4.70000 % 106,556.76 38,661.83 26,328,368.00 26,289,706.17 10/06/2027 0 0 0
30313293 12 RT Various XX 08/06/2026 4.40000 % 81,821.87 66,724.49 21,595,214.19 21,528,489.70 09/06/2027 0 0 0
30313294 13 OF La Jolla CA 08/03/2026 4.55000 % 88,990.84 39,443.61 22,713,010.09 22,673,566.48 10/06/2027 0 0 0
30313296 15 MU New York NY 08/06/2026 3.25000 % 69,965.28 - 25,000,000.00 25,000,000.00 06/06/2027 0 0 0
30313340 16 MF Various XX 08/06/2026 4.71200 % 101,438.89 - 25,000,000.00 25,000,000.00 09/06/2027 0 0 0
30313300 17 LO Arlington VA 08/06/2026 4.51100 % 93,227.33 - 24,000,000.00 24,000,000.00 08/06/2027 0 0 0
30313281 1 A MU Boston MA 08/06/2026 4.49530 % 58,064.29 - 15,000,000.00 15,000,000.00 09/06/2027 0 0 0
30313231 2 OF Washington DC 08/01/2026 3.60000 % 155,000.00 - 50,000,000.00 50,000,000.00 11/01/2027 0 0 0
30313251 20 OF Various XX 08/06/2026 4.26400 % 65,335.30 40,608.06 17,793,914.92 17,753,306.86 08/06/2027 0 0 0
30313304 21 RT Miami FL 08/06/2026 4.47600 % 80,941.00 - 21,000,000.00 21,000,000.00 08/06/2027 0 0 0
30313305 22 MU Los Angeles CA 07/06/2026 4.68300 % 78,635.38 - 19,500,000.00 19,500,000.00 07/06/2027 B 0 0
30313306 23 MF Methuen MA 08/06/2026 4.73000 % 71,176.65 - 17,475,000.00 17,475,000.00 09/06/2027 0 0 0
30313248 24 RT Various XX 08/08/2026 5.04000 % 67,188.02 19,903.91 15,481,110.37 15,461,206.46 09/08/2031 0 0 0
30313310 27 MH Parachute CO 08/06/2026 4.69500 % 49,423.88 20,940.41 12,224,806.77 12,203,866.36 08/06/2027 0 0 0
30313311 28 LO Los Angeles CA 08/06/2026 5.54700 % 46,516.42 29,053.52 9,738,430.49 9,709,376.97 08/06/2027 0 0 8
30313312 29 OF San Jose CA 08/06/2026 4.58000 % 46,636.49 - 11,825,000.00 11,825,000.00 10/06/2027 0 8 0
30313313 30 OF Jacksonville FL 08/06/2026 5.02000 % 42,946.80 9,935,000.00 9,935,000.00 - 10/06/2031 0 0 0
30313315 32 RT Greensboro NC 08/06/2026 4.53400 % 32,967.97 15,969.69 8,444,064.36 8,428,094.67 08/06/2027 0 0 0
30313316 33 LO Brunswick GA 08/06/2026 5.24000 % 36,770.86 8,149,168.08 8,149,168.08 - 09/06/2027 3 8 8
30298889 34 RT Peach Tree GA 08/06/2026 4.28000 % 31,382.51 - 8,515,000.00 8,515,000.00 09/06/2027 0 0 0
30313317 35 MH Various XX 08/06/2026 5.15000 % 32,467.63 12,306.52 7,321,231.17 7,308,924.65 10/06/2027 0 0 0
30313318 36 MH Fort Collins CO 08/06/2026 4.50000 % 26,382.87 14,911.98 6,808,482.47 6,793,570.49 09/06/2027 0 0 0
30313319 37 LO Sequim WA 06/06/2026 5.02500 % 27,248.15 19,635.65 6,297,117.34 6,277,481.69 10/06/2027 1 8 8
30313321 39 IN San Diego CA 08/06/2026 4.10000 % 25,066.94 - 7,100,000.00 7,100,000.00 09/06/2027 0 0 0
30313283 4 RT Pleasant Prairie WI 08/01/2026 3.99500 % 141,045.69 - 41,000,000.00 41,000,000.00 09/01/2027 0 0 0
30313322 40 MU West Columbia SC 08/06/2026 4.64000 % 22,624.24 12,140.80 5,662,350.74 5,650,209.94 09/06/2027 0 0 0
30313323 41 N/A St. Louis MO 07/06/2026 5.25000 % 27,125.00 - 6,000,000.00 6,000,000.00 06/06/2027 B 0 0
30313324 42 SS Provo UT 08/06/2026 4.91500 % 21,472.66 10,425.67 5,073,447.46 5,063,021.79 09/06/2027 0 0 0
30313325 43 OF Venice CA 08/06/2026 4.62450 % 21,902.15 - 5,500,000.00 5,500,000.00 08/06/2027 0 0 0
30313326 44 RT Parkersburg WV 08/06/2026 3.89000 % 12,951.85 14,441.71 3,866,545.50 3,852,103.79 09/06/2027 0 0 0
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Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
MORTGAGE LOAN DETAIL
August 14, 2026
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 )
30313327 45 MU Cartersville GA 08/06/2026 4.75000 % 17,956.02 9,430.47 4,389,925.83 4,380,495.36 06/06/2027 0 0 0
30313328 46 MU Temecula CA 08/06/2026 4.54100 % 18,292.30 7,163.92 4,677,973.08 4,670,809.16 08/06/2027 0 0 0
30313330 48 LO Richmond Hill GA 08/06/2026 5.25000 % 13,437.61 9,034.18 2,972,374.51 2,963,340.33 10/06/2027 0 0 0
30313331 49 RT Grand Rapids MI 08/06/2026 4.98000 % 13,875.53 5,673.87 3,235,646.53 3,229,972.66 08/06/2027 0 0 0
30313284 5 OF San Jose CA 08/06/2026 4.16000 % 133,532.99 60,654.48 37,276,577.73 37,215,923.25 10/06/2027 0 0 0
30313333 51 MH Arvada CO 08/06/2026 4.98500 % 11,796.94 5,619.98 2,748,180.06 2,742,560.08 08/06/2027 0 0 0
30313335 53 RT Willoughby OH 08/06/2026 5.15000 % 11,890.62 5,309.21 2,681,255.70 2,675,946.49 09/06/2027 0 0 0
30313336 54 RT Duluth GA 08/06/2026 4.95000 % 10,163.26 3,714.76 2,384,343.46 2,380,628.70 10/06/2027 0 0 0
30313337 55 MF Hartford CT 08/06/2026 5.28500 % 9,314.35 3,990.61 2,046,672.22 2,042,681.61 08/06/2027 0 0 0
30313338 56 RT Dacula GA 08/06/2026 4.79000 % 7,660.28 3,345.00 1,857,162.07 1,853,817.07 09/06/2027 0 0 0
30313339 57 RT Milford IA 08/06/2026 5.06000 % 4,270.08 - 980,000.00 980,000.00 10/06/2032 0 0 0
30313285 6 LO Los Angeles CA 08/06/2026 5.11400 % 147,960.35 69,563.79 33,598,928.09 33,529,364.30 03/06/2027 0 8 8
30313288 7 LO Louisville KY 08/06/2026 4.04000 % 129,445.50 55,440.22 37,208,863.24 37,153,423.02 07/06/2027 0 0 0
30313289 8 OF Various XX 08/06/2026 4.45000 % 113,872.09 65,577.72 29,716,529.59 29,650,951.87 09/06/2027 0 0 0
30313290 9 OF New York NY 08/06/2026 4.15000 % 125,076.39 - 35,000,000.00 35,000,000.00 09/06/2027 0 0 8
Total Count = 47 2,849,383.42 18,791,964.05 749,988,063.10 731,196,099.05
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Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
NOI DETAIL
August 14, 2026
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
30313280 1 MU Boston MA 60,000,000.00 5,774,779.89 1,060,648.40 01/01/2026 03/31/2026
30313291 10 RT Baton Rouge LA 24,818,259.13 27,158,111.98 6,547,328.40 01/01/2026 03/31/2026
30313292 11 RT Langhorne PA 26,289,706.17 2,378,522.07 553,341.35 01/01/2026 03/31/2026
30313293 12 RT Various XX 21,528,489.70 2,994,033.31 2,911,660.45 Not Available Not Available
30313294 13 OF La Jolla CA 22,673,566.48 2,483,173.82 2,749,429.68 01/01/2026 06/30/2026
30313296 15 MU New York NY 25,000,000.00 2,236,828.92 731,133.43 01/01/2026 03/31/2026
30313340 16 MF Various XX 25,000,000.00 3,688,121.55 3,688,121.55 Not Available Not Available
30313300 17 LO Arlington VA 24,000,000.00 5,759,627.41 1,242,235.53 Not Available Not Available
30313281 1 A MU Boston MA 15,000,000.00 5,774,779.89 1,060,648.40 01/01/2026 03/31/2026
30313231 2 OF Washington DC 50,000,000.00 25,172,837.32 18,740,873.98 Not Available Not Available
30313251 20 OF Various XX 17,753,306.86 3,571,127.64 3,571,127.64 Not Available Not Available
30313304 21 RT Miami FL 21,000,000.00 1,658,200.47 1,658,200.47 Not Available Not Available
30313305 22 MU Los Angeles CA 19,500,000.00 1,403,963.00 2,242,863.32 Not Available Not Available
30313306 23 MF Methuen MA 17,475,000.00 1,993,873.32 1,953,527.00 Not Available Not Available
30313248 24 RT Various XX 15,461,206.46 2,803,228.27 693,143.95 Not Available Not Available
30313310 27 MH Parachute CO 12,203,866.36 2,084,178.74 2,342,337.06 Not Available Not Available
30313311 28 LO Los Angeles CA 9,709,376.97 825,086.00 190,549.24 01/01/2026 03/31/2026
30313312 29 OF San Jose CA 11,825,000.00 (220,037.91 ) (105,750.89 ) Not Available Not Available
30313315 32 RT Greensboro NC 8,428,094.67 1,003,282.95 1,221,317.80 Not Available Not Available
30298889 34 RT Peach Tree GA 8,515,000.00 872,621.67 872,621.67 Not Available Not Available
30313317 35 MH Various XX 7,308,924.65 829,413.99 933,262.01 Not Available Not Available
30313318 36 MH Fort Collins CO 6,793,570.49 650,410.14 807,555.45 Not Available Not Available
30313319 37 LO Sequim WA 6,277,481.69 818,336.27 818,336.27 Not Available Not Available
30313321 39 IN San Diego CA 7,100,000.00 1,374,878.17 1,374,878.17 Not Available Not Available
30313283 4 RT Pleasant Prairie WI 41,000,000.00 17,243,114.98 4,416,772.11 01/01/2026 03/31/2026
30313322 40 MU West Columbia SC 5,650,209.94 829,282.05 829,282.05 Not Available Not Available
30313323 41 N/A St. Louis MO 6,000,000.00 553,000.00 553,000.00 Not Available Not Available
30313324 42 SS Provo UT 5,063,021.79 564,579.90 475,802.42 Not Available Not Available
30313325 43 OF Venice CA 5,500,000.00 659,534.58 506,841.78 01/01/2026 06/30/2026
30313326 44 RT Parkersburg WV 3,852,103.79 1,089,403.37 1,074,348.90 07/01/2025 06/30/2026
30313327 45 MU Cartersville GA 4,380,495.36 632,928.96 505,873.10 Not Available Not Available
30313328 46 MU Temecula CA 4,670,809.16 569,330.17 569,330.17 Not Available Not Available
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Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
NOI DETAIL
August 14, 2026
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
30313330 48 LO Richmond Hill GA 2,963,340.33 433,041.69 565,895.21 Not Available Not Available
30313331 49 RT Grand Rapids MI 3,229,972.66 399,530.64 535,354.39 Not Available Not Available
30313284 5 OF San Jose CA 37,215,923.25 4,898,427.23 1,472,530.94 01/01/2026 03/31/2026
30313333 51 MH Arvada CO 2,742,560.08 627,808.03 680,451.13 Not Available Not Available
30313335 53 RT Willoughby OH 2,675,946.49 304,441.47 288,987.44 01/01/2026 06/30/2026
30313336 54 RT Duluth GA 2,380,628.70 330,190.68 330,190.68 Not Available Not Available
30313337 55 MF Hartford CT 2,042,681.61 429,256.84 420,339.14 Not Available Not Available
30313338 56 RT Dacula GA 1,853,817.07 245,197.15 245,197.15 Not Available Not Available
30313339 57 RT Milford IA 980,000.00 65,521.88 65,521.88 Not Available Not Available
30313285 6 LO Los Angeles CA 33,529,364.30 10,706,331.20 4,069,056.33 01/01/2026 03/31/2026
30313288 7 LO Louisville KY 37,153,423.02 5,598,600.27 592,455.11 01/01/2026 03/31/2026
30313289 8 OF Various XX 29,650,951.87 18,294,729.49 15,651,851.20 Not Available Not Available
30313290 9 OF New York NY 35,000,000.00 3,180,959.60 891,685.30 01/01/2026 03/31/2026
Total Count = 45 731,196,099.05 170,744,589.06 92,600,156.76
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Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
DELINQUENCY LOAN DETAIL
August 14, 2026
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
30313305 22 19,500,000.00 07/06/2026 77,753.82 77,753.82 - - B 0
30313319 37 6,317,546.41 06/06/2026 46,856.69 835,211.18 691,826.20 1,084,540.00 1 8 05/27/2020 09/18/2020
30313323 41 6,000,000.00 07/06/2026 26,750.42 26,750.41 - - B 0
Total Count = 3 31,817,546.41 151,360.93 939,715.41 691,826.20 1,084,540.00
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Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
COLLATERAL PERFORMANCE - DELINQUENCY AND LOAN STATUS DETAIL
–
August 14, 2026
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
1 6,277,482 0 0 0 0 0 0 0 0 0 0 0 0
08/14/2026
2.2 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
2 10,975,090 0 0 0 0 1 8,149,168 0 0 0 0 0 0
07/14/2026
4.3 % 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 1 6,317,546 1 8,166,185 0 0 0 0 0 0
06/12/2026
0.0 % 0.0 % 0.0 % 0.0 % 2.1 % 0.0 % 2.1 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
1 6,337,009 0 0 0 0 1 8,181,943 0 0 0 0 0 0
05/14/2026
2.1 % 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 %
1 6,357,272 0 0 0 0 1 8,198,818 0 0 0 0 0 0
04/14/2026
2.1 % 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 %
1 6,376,564 0 0 0 0 1 8,214,429 0 0 0 0 0 0
03/13/2026
2.1 % 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 %
1 6,398,441 0 0 0 0 1 8,233,549 0 0 0 0 0 0
02/13/2026
2.1 % 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 %
1 6,417,555 0 0 0 0 1 8,249,004 0 0 0 0 0 0
01/14/2026
2.1 % 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 %
1 6,436,587 0 0 0 0 1 8,264,389 0 0 0 0 0 0
12/12/2025
2.1 % 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 %
1 6,456,435 0 0 0 0 1 8,280,906 0 0 0 0 0 0
11/17/2025
2.1 % 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 1 8,296,148 0 0 0 0 0 0 0 0
10/15/2025
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 8,312,526 0 0 0 0 0 0 0 0 0 0
09/12/2025
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 % 0.0 %
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Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
APPRAISAL REDUCTION DETAIL
August 14, 2026
Beginning Ending Appraisal Appraisal Most Recent Cumulative
Loan ID OMCR Property Name Scheduled Balance Scheduled Balance Reduction Amount Reduction Date ASER Amount ASER Amount
30313316 33 Courtyard Brunswick 8,149,168.08 - - 02/09/2026 (9,332.41 ) -
30313319 37 Holiday Inn Express & Suites 6,297,117.34 6,277,481.69 - 05/08/2023 - 8,137.04
Total Count = 2 14,446,285.42 6,277,481.69 - (9,332.41 ) 8,137.04
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Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
HISTORICAL APPRAISAL REDUCTION DETAIL
August 14, 2026
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
8/14/2026 30313316 33 Courtyard Brunswick 8,149,168.08 - - 02/09/2026 (9,332.41 ) -
8/14/2026 30313319 37 Holiday Inn Express & Suites 6,297,117.34 6,277,481.69 - 05/08/2023 - 8,137.04
7/14/2026 30313316 33 Courtyard Brunswick 8,166,185.39 8,149,168.08 - 02/09/2026 - 9,332.41
7/14/2026 30313319 37 Holiday Inn Express & Suites 6,317,546.41 6,297,117.34 - 05/08/2023 - 8,137.04
6/12/2026 30313316 33 Courtyard Brunswick 8,181,942.97 8,166,185.39 - 02/09/2026 (18,380.95 ) 9,332.41
6/12/2026 30313319 37 Holiday Inn Express & Suites 6,337,009.44 6,317,546.41 - 05/08/2023 - 8,137.04
5/14/2026 30313316 33 Courtyard Brunswick 8,198,817.79 8,181,942.97 - 02/09/2026 - 27,713.36
5/14/2026 30313319 37 Holiday Inn Express & Suites 6,357,272.16 6,337,009.44 - 05/08/2023 - 8,137.04
4/14/2026 30313316 33 Courtyard Brunswick 8,214,428.78 8,198,817.79 - 02/09/2026 - 27,713.36
4/14/2026 30313319 37 Holiday Inn Express & Suites 6,376,564.04 6,357,272.16 - 05/08/2023 - 8,137.04
3/13/2026 30313316 33 Courtyard Brunswick 8,233,548.81 8,214,428.78 - 02/09/2026 - 27,713.36
3/13/2026 30313319 37 Holiday Inn Express & Suites 6,398,440.60 6,376,564.04 - 05/08/2023 - 8,137.04
2/13/2026 30313316 33 Courtyard Brunswick 8,249,003.79 8,233,548.81 - 02/09/2026 - 27,713.36
2/13/2026 30313319 37 Holiday Inn Express & Suites 6,417,555.10 6,398,440.60 - 05/08/2023 - 8,137.04
1/14/2026 30313316 33 Courtyard Brunswick 8,264,389.35 8,249,003.79 2,070,226.43 12/08/2025 9,332.41 27,713.36
1/14/2026 30313319 37 Holiday Inn Express & Suites 6,436,587.25 6,417,555.10 - 05/08/2023 - 8,137.04
12/12/2025 30313316 33 Courtyard Brunswick 8,280,905.72 8,264,389.35 2,070,226.43 12/08/2025 9,031.36 18,380.95
12/12/2025 30313319 37 Holiday Inn Express & Suites 6,456,434.73 6,436,587.25 - 05/08/2023 - 8,137.04
11/17/2025 30313316 33 Courtyard Brunswick 8,296,147.98 8,280,905.72 2,074,037.00 11/10/2025 9,349.59 9,349.59
11/17/2025 30313319 37 Holiday Inn Express & Suites 6,475,299.37 6,456,434.73 - 05/08/2023 - 8,137.04
10/15/2025 30313319 37 Holiday Inn Express & Suites 6,494,985.42 6,475,299.37 - 05/08/2023 - 8,137.04
9/12/2025 30313319 37 Holiday Inn Express & Suites 6,513,683.97 6,494,985.42 - 05/08/2023 - 8,137.04
8/14/2025 30313319 37 Holiday Inn Express & Suites 6,532,301.96 6,513,683.97 - 05/08/2023 - 8,137.04
7/14/2025 30313319 37 Holiday Inn Express & Suites 6,551,750.31 6,532,301.96 - 05/08/2023 - 8,137.04
6/13/2025 30313319 37 Holiday Inn Express & Suites 6,570,204.29 6,551,750.31 - 05/08/2023 - 8,137.04
5/14/2025 30313319 37 Holiday Inn Express & Suites 6,589,494.58 6,570,204.29 - 05/08/2023 - 8,137.04
4/14/2025 30313319 37 Holiday Inn Express & Suites 6,607,785.94 6,589,494.58 - 05/08/2023 - 8,137.04
3/14/2025 30313319 37 Holiday Inn Express & Suites 6,628,762.33 6,607,785.94 - 05/08/2023 - 8,137.04
2/14/2025 30313319 37 Holiday Inn Express & Suites 6,646,884.51 6,628,762.33 - 05/08/2023 - 8,137.04
1/15/2025 30313319 37 Holiday Inn Express & Suites 6,664,928.61 6,646,884.51 - 05/08/2023 - 8,137.04
12/13/2024 30313319 37 Holiday Inn Express & Suites 6,683,823.90 6,664,928.61 - 05/08/2023 - 8,137.04
11/15/2024 30313319 37 Holiday Inn Express & Suites 6,701,708.85 6,683,823.90 - 05/08/2023 - 8,137.04
10/15/2024 30313319 37 Holiday Inn Express & Suites 6,720,450.76 6,701,708.85 - 05/08/2023 - 8,137.04
Reports Available at sf.citidirect.com v. 21.09.28 Page 21 of 45 © Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
HISTORICAL APPRAISAL REDUCTION DETAIL
August 14, 2026
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
9/13/2024 30313319 37 Holiday Inn Express & Suites 6,738,177.90 6,720,450.76 - 05/08/2023 - 8,137.04
8/14/2024 30313319 37 Holiday Inn Express & Suites 6,755,828.67 6,738,177.90 - 05/08/2023 - 8,137.04
7/12/2024 30313319 37 Holiday Inn Express & Suites 6,774,344.90 6,755,828.67 - 05/08/2023 - 8,137.04
6/14/2024 30313319 37 Holiday Inn Express & Suites 6,791,839.84 6,774,344.90 - 05/08/2023 - 8,137.04
5/14/2024 30313319 37 Holiday Inn Express & Suites 6,810,205.90 6,791,839.84 - 05/08/2023 - 8,137.04
4/12/2024 30313319 37 Holiday Inn Express & Suites 6,827,546.34 6,810,205.90 - 05/08/2023 - 8,137.04
3/14/2024 30313319 37 Holiday Inn Express & Suites 6,846,715.21 6,827,546.34 - 05/08/2023 - 8,137.04
2/14/2024 30313319 37 Holiday Inn Express & Suites 6,863,898.35 6,846,715.21 - 05/08/2023 - 8,137.04
1/12/2024 30313319 37 Holiday Inn Express & Suites 6,881,007.46 6,863,898.35 - 05/08/2023 - 8,137.04
12/14/2023 30313319 37 Holiday Inn Express & Suites 6,899,001.69 6,881,007.46 - 05/08/2023 - 8,137.04
11/14/2023 30313319 37 Holiday Inn Express & Suites 6,915,959.56 6,899,001.69 - 05/08/2023 - 8,137.04
10/16/2023 30313319 37 Holiday Inn Express & Suites 6,933,808.04 6,915,959.56 - 05/08/2023 - 8,137.04
9/14/2023 30313319 37 Holiday Inn Express & Suites 6,950,615.95 6,933,808.04 - 05/08/2023 - 8,137.04
8/14/2023 30313319 37 Holiday Inn Express & Suites 6,967,351.44 6,950,615.95 - 05/08/2023 (14,933.88 ) 8,137.04
7/14/2023 30313319 37 Holiday Inn Express & Suites 6,984,985.61 6,967,351.44 - 05/08/2023 - 23,070.92
6/14/2023 30313319 37 Holiday Inn Express & Suites 7,001,573.02 6,984,985.61 - 05/08/2023 - 23,070.92
5/12/2023 30313319 37 Holiday Inn Express & Suites 7,019,064.49 7,001,573.02 - 05/08/2023 - 23,070.92
4/14/2023 30313319 37 Holiday Inn Express & Suites 7,035,505.07 7,019,064.49 - 04/08/2022 - 23,070.92
3/14/2023 30313319 37 Holiday Inn Express & Suites 7,054,816.30 7,035,505.07 - 04/08/2022 - 23,070.92
2/14/2023 30313319 37 Holiday Inn Express & Suites 7,071,102.85 7,054,816.30 - 04/08/2022 - 23,070.92
1/13/2023 30313319 37 Holiday Inn Express & Suites 7,087,319.23 7,071,102.85 - 04/08/2022 - 23,070.92
12/14/2022 30313319 37 Holiday Inn Express & Suites 7,104,453.13 7,087,319.23 - 04/08/2022 - 23,070.92
11/15/2022 30313319 37 Holiday Inn Express & Suites 7,120,525.82 7,104,453.13 - 04/08/2022 - 23,070.92
10/17/2022 30313319 37 Holiday Inn Express & Suites 7,137,521.25 7,120,525.82 - 04/08/2022 - 23,070.92
9/14/2022 30313319 37 Holiday Inn Express & Suites 7,153,451.47 7,137,521.25 - 04/08/2022 - 23,070.92
8/12/2022 30313319 37 Holiday Inn Express & Suites 7,169,313.05 7,153,451.47 - 04/08/2022 - 23,070.92
7/14/2022 30313319 37 Holiday Inn Express & Suites 7,186,105.04 7,169,313.05 - 04/08/2022 - 23,070.92
6/14/2022 30313319 37 Holiday Inn Express & Suites 7,201,825.94 7,186,105.04 - 04/08/2022 - 23,070.92
5/13/2022 30313319 37 Holiday Inn Express & Suites 7,218,482.35 7,201,825.94 - 04/08/2022 - 23,070.92
4/14/2022 30313319 37 Holiday Inn Express & Suites 7,234,063.75 7,218,482.35 - 04/08/2022 - 23,070.92
3/14/2022 30313319 37 Holiday Inn Express & Suites 7,252,601.96 7,234,063.75 1,813,150.49 03/08/2022 7,079.35 23,070.92
2/14/2022 30313319 37 Holiday Inn Express & Suites 7,268,036.36 7,252,601.96 1,817,009.09 02/08/2022 7,854.53 15,991.57
1/14/2022 30313319 37 Holiday Inn Express & Suites 7,283,404.26 7,268,036.36 - 01/10/2022 - 8,137.04
Reports Available at sf.citidirect.com v. 21.09.28 Page 22 of 45 © Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
HISTORICAL APPRAISAL REDUCTION DETAIL
August 14, 2026
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
12/14/2021 30313282 3 Godfrey Hotel 44,994,086.53 44,994,086.53 - 06/08/2021 - -
12/14/2021 30313319 37 Holiday Inn Express & Suites 7,299,720.48 7,283,404.26 - 12/08/2021 - 8,137.04
11/15/2021 30313319 37 Holiday Inn Express & Suites 7,314,951.87 7,299,720.48 - 11/08/2021 - 8,137.04
10/15/2021 30313319 37 Holiday Inn Express & Suites 7,331,136.54 7,314,951.87 - 10/08/2020 - 8,137.04
9/14/2021 30313319 37 Holiday Inn Express & Suites 7,346,232.58 7,331,136.54 - 10/08/2020 - 8,137.04
8/13/2021 30313319 37 Holiday Inn Express & Suites 7,361,263.58 7,346,232.58 - 10/08/2020 - 8,137.04
7/14/2021 30313319 37 Holiday Inn Express & Suites 7,377,255.12 7,361,263.58 - 10/08/2020 - 8,137.04
6/14/2021 30313282 3 Godfrey Hotel 44,926,231.75 44,864,286.34 - 06/08/2021 - -
6/14/2021 30313319 37 Holiday Inn Express & Suites 7,392,152.46 7,377,255.12 - 10/08/2020 - 8,137.04
5/14/2021 30313282 3 Godfrey Hotel 44,994,086.53 44,926,231.75 - 05/10/2021 - -
5/14/2021 30313319 37 Holiday Inn Express & Suites 7,408,015.20 7,392,152.46 - 10/08/2020 - 8,137.04
4/14/2021 30313319 37 Holiday Inn Express & Suites 7,422,780.01 7,408,015.20 - 10/08/2020 - 8,137.04
3/12/2021 30313319 37 Holiday Inn Express & Suites 7,440,583.53 7,422,780.01 - 10/08/2020 - 8,137.04
2/12/2021 30313319 37 Holiday Inn Express & Suites 7,455,208.02 7,440,583.53 - 10/08/2020 - 8,137.04
1/14/2021 30313319 37 Holiday Inn Express & Suites 7,469,769.50 7,455,208.02 - 10/08/2020 - 8,137.04
12/14/2020 30313319 37 Holiday Inn Express & Suites 7,485,308.57 7,469,769.50 - 10/08/2020 - 8,137.04
11/16/2020 30313319 37 Holiday Inn Express & Suites 7,499,740.37 7,485,308.57 - 10/08/2020 - 8,137.04
10/15/2020 30313319 37 Holiday Inn Express & Suites 7,515,154.46 7,499,740.37 - 10/08/2020 - 8,137.04
9/14/2020 30313319 37 Holiday Inn Express & Suites 7,529,457.67 7,515,154.46 1,882,364.42 09/08/2020 8,137.04 8,137.04
Reports Available at sf.citidirect.com v. 21.09.28 Page 23 of 45 © Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
LOAN MODIFICATION DETAIL
August 14, 2026
Modification Modification
Loan ID OMCR Property Name Date Code (4)
30313311 28 Hotel Normandie 10/06/2020 8
30313316 33 Courtyard Brunswick 09/30/2020 8
30313319 37 Holiday Inn Express & Suites 12/22/2022 8
30313285 6 Marriott Lax 02/25/2022 8
30313290 9 50 Varick 05/06/2020 8
Total Count = 5
Reports Available at sf.citidirect.com v. 21.09.28 Page 24 of 45 © Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
HISTORICAL LOAN MODIFICATION DETAIL
August 14, 2026
Distribution Modification Modification
Date Loan ID OMCR Property Name Date Code (4)
08/14/2026 30313311 28 Hotel Normandie 10/06/2020 8
08/14/2026 30313316 33 Courtyard Brunswick 09/30/2020 8
08/14/2026 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
08/14/2026 30313285 6 Marriott Lax 02/25/2022 8
08/14/2026 30313290 9 50 Varick 05/06/2020 8
07/14/2026 30313311 28 Hotel Normandie 10/06/2020 8
07/14/2026 30313316 33 Courtyard Brunswick 09/30/2020 8
07/14/2026 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
07/14/2026 30313285 6 Marriott Lax 02/25/2022 8
07/14/2026 30313290 9 50 Varick 05/06/2020 8
06/12/2026 30313311 28 Hotel Normandie 10/06/2020 8
06/12/2026 30313316 33 Courtyard Brunswick 09/30/2020 8
06/12/2026 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
06/12/2026 30313285 6 Marriott Lax 02/25/2022 8
06/12/2026 30313290 9 50 Varick 05/06/2020 8
05/14/2026 30313311 28 Hotel Normandie 10/06/2020 8
05/14/2026 30313316 33 Courtyard Brunswick 09/30/2020 8
05/14/2026 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
05/14/2026 30313285 6 Marriott Lax 02/25/2022 8
05/14/2026 30313290 9 50 Varick 05/06/2020 8
04/14/2026 30313311 28 Hotel Normandie 10/06/2020 8
04/14/2026 30313316 33 Courtyard Brunswick 09/30/2020 8
04/14/2026 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
04/14/2026 30313285 6 Marriott Lax 02/25/2022 8
04/14/2026 30313290 9 50 Varick 05/06/2020 8
03/13/2026 30313311 28 Hotel Normandie 10/06/2020 8
03/13/2026 30313316 33 Courtyard Brunswick 09/30/2020 8
03/13/2026 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
03/13/2026 30313285 6 Marriott Lax 02/25/2022 8
03/13/2026 30313290 9 50 Varick 05/06/2020 8
02/13/2026 30313311 28 Hotel Normandie 10/06/2020 8
02/13/2026 30313316 33 Courtyard Brunswick 09/30/2020 8
02/13/2026 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
Reports Available at sf.citidirect.com v. 21.09.28 Page 25 of 45 © Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
HISTORICAL LOAN MODIFICATION DETAIL
August 14, 2026
Distribution Modification Modification
Date Loan ID OMCR Property Name Date Code (4)
02/13/2026 30313285 6 Marriott Lax 02/25/2022 8
02/13/2026 30313290 9 50 Varick 05/06/2020 8
01/14/2026 30313311 28 Hotel Normandie 10/06/2020 8
01/14/2026 30313316 33 Courtyard Brunswick 09/30/2020 8
01/14/2026 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
01/14/2026 30313285 6 Marriott Lax 02/25/2022 8
01/14/2026 30313290 9 50 Varick 05/06/2020 8
12/12/2025 30313311 28 Hotel Normandie 10/06/2020 8
12/12/2025 30313316 33 Courtyard Brunswick 09/30/2020 8
12/12/2025 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
12/12/2025 30313285 6 Marriott Lax 02/25/2022 8
12/12/2025 30313290 9 50 Varick 05/06/2020 8
11/17/2025 30313311 28 Hotel Normandie 10/06/2020 8
11/17/2025 30313316 33 Courtyard Brunswick 09/30/2020 8
11/17/2025 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
11/17/2025 30313285 6 Marriott Lax 02/25/2022 8
11/17/2025 30313290 9 50 Varick 05/06/2020 8
10/15/2025 30313311 28 Hotel Normandie 10/06/2020 8
10/15/2025 30313316 33 Courtyard Brunswick 09/30/2020 8
10/15/2025 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
10/15/2025 30313285 6 Marriott Lax 02/25/2022 8
10/15/2025 30313290 9 50 Varick 05/06/2020 8
09/12/2025 30313311 28 Hotel Normandie 10/06/2020 8
09/12/2025 30313316 33 Courtyard Brunswick 09/30/2020 8
09/12/2025 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
09/12/2025 30313285 6 Marriott Lax 02/25/2022 8
09/12/2025 30313290 9 50 Varick 05/06/2020 8
08/14/2025 30313311 28 Hotel Normandie 10/06/2020 8
08/14/2025 30313316 33 Courtyard Brunswick 09/30/2020 8
08/14/2025 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
08/14/2025 30313285 6 Marriott Lax 02/25/2022 8
08/14/2025 30313290 9 50 Varick 05/06/2020 8
07/14/2025 30313311 28 Hotel Normandie 10/06/2020 8
Reports Available at sf.citidirect.com v. 21.09.28 Page 26 of 45 © Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
HISTORICAL LOAN MODIFICATION DETAIL
August 14, 2026
Distribution Modification Modification
Date Loan ID OMCR Property Name Date Code (4)
07/14/2025 30313316 33 Courtyard Brunswick 09/30/2020 8
07/14/2025 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
07/14/2025 30313285 6 Marriott Lax 02/25/2022 8
07/14/2025 30313290 9 50 Varick 05/06/2020 8
06/13/2025 30313311 28 Hotel Normandie 10/06/2020 8
06/13/2025 30313316 33 Courtyard Brunswick 09/30/2020 8
06/13/2025 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
06/13/2025 30313285 6 Marriott Lax 02/25/2022 8
06/13/2025 30313290 9 50 Varick 05/06/2020 8
05/14/2025 30313311 28 Hotel Normandie 10/06/2020 8
05/14/2025 30313316 33 Courtyard Brunswick 09/30/2020 8
05/14/2025 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
05/14/2025 30313285 6 Marriott Lax 02/25/2022 8
05/14/2025 30313290 9 50 Varick 05/06/2020 8
04/14/2025 30313311 28 Hotel Normandie 10/06/2020 8
04/14/2025 30313316 33 Courtyard Brunswick 09/30/2020 8
04/14/2025 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
04/14/2025 30313285 6 Marriott Lax 02/25/2022 8
04/14/2025 30313290 9 50 Varick 05/06/2020 8
03/14/2025 30313311 28 Hotel Normandie 10/06/2020 8
03/14/2025 30313316 33 Courtyard Brunswick 09/30/2020 8
03/14/2025 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
03/14/2025 30313285 6 Marriott Lax 02/25/2022 8
03/14/2025 30313290 9 50 Varick 05/06/2020 8
02/14/2025 30313311 28 Hotel Normandie 10/06/2020 8
02/14/2025 30313316 33 Courtyard Brunswick 09/30/2020 8
02/14/2025 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
02/14/2025 30313285 6 Marriott Lax 02/25/2022 8
02/14/2025 30313290 9 50 Varick 05/06/2020 8
01/15/2025 30313311 28 Hotel Normandie 10/06/2020 8
01/15/2025 30313316 33 Courtyard Brunswick 09/30/2020 8
01/15/2025 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
01/15/2025 30313285 6 Marriott Lax 02/25/2022 8
Reports Available at sf.citidirect.com v. 21.09.28 Page 27 of 45 © Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
HISTORICAL LOAN MODIFICATION DETAIL
August 14, 2026
Distribution Modification Modification
Date Loan ID OMCR Property Name Date Code (4)
01/15/2025 30313290 9 50 Varick 05/06/2020 8
12/13/2024 30313311 28 Hotel Normandie 10/06/2020 8
12/13/2024 30313316 33 Courtyard Brunswick 09/30/2020 8
12/13/2024 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
12/13/2024 30313285 6 Marriott Lax 02/25/2022 8
12/13/2024 30313290 9 50 Varick 05/06/2020 8
11/15/2024 30313311 28 Hotel Normandie 10/06/2020 8
11/15/2024 30313316 33 Courtyard Brunswick 09/30/2020 8
11/15/2024 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
11/15/2024 30313285 6 Marriott Lax 02/25/2022 8
11/15/2024 30313290 9 50 Varick 05/06/2020 8
10/15/2024 30313311 28 Hotel Normandie 10/06/2020 8
10/15/2024 30313316 33 Courtyard Brunswick 09/30/2020 8
10/15/2024 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
10/15/2024 30313285 6 Marriott Lax 02/25/2022 8
10/15/2024 30313290 9 50 Varick 05/06/2020 8
09/13/2024 30313311 28 Hotel Normandie 10/06/2020 8
09/13/2024 30313316 33 Courtyard Brunswick 09/30/2020 8
09/13/2024 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
09/13/2024 30313285 6 Marriott Lax 02/25/2022 8
09/13/2024 30313290 9 50 Varick 05/06/2020 8
08/14/2024 30313311 28 Hotel Normandie 10/06/2020 8
08/14/2024 30313316 33 Courtyard Brunswick 09/30/2020 8
08/14/2024 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
08/14/2024 30313285 6 Marriott Lax 02/25/2022 8
08/14/2024 30313290 9 50 Varick 05/06/2020 8
07/12/2024 30313311 28 Hotel Normandie 10/06/2020 8
07/12/2024 30313316 33 Courtyard Brunswick 09/30/2020 8
07/12/2024 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
07/12/2024 30313285 6 Marriott Lax 02/25/2022 8
07/12/2024 30313290 9 50 Varick 05/06/2020 8
06/14/2024 30313311 28 Hotel Normandie 10/06/2020 8
06/14/2024 30313316 33 Courtyard Brunswick 09/30/2020 8
Reports Available at sf.citidirect.com v. 21.09.28 Page 28 of 45 © Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
HISTORICAL LOAN MODIFICATION DETAIL
August 14, 2026
Distribution Modification Modification
Date Loan ID OMCR Property Name Date Code (4)
06/14/2024 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
06/14/2024 30313285 6 Marriott Lax 02/25/2022 8
06/14/2024 30313290 9 50 Varick 05/06/2020 8
05/14/2024 30313311 28 Hotel Normandie 10/06/2020 8
05/14/2024 30313316 33 Courtyard Brunswick 09/30/2020 8
05/14/2024 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
05/14/2024 30313285 6 Marriott Lax 02/25/2022 8
05/14/2024 30313290 9 50 Varick 05/06/2020 8
04/12/2024 30313311 28 Hotel Normandie 10/06/2020 8
04/12/2024 30313316 33 Courtyard Brunswick 09/30/2020 8
04/12/2024 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
04/12/2024 30313285 6 Marriott Lax 02/25/2022 8
04/12/2024 30313290 9 50 Varick 05/06/2020 8
03/14/2024 30313311 28 Hotel Normandie 10/06/2020 8
03/14/2024 30313316 33 Courtyard Brunswick 09/30/2020 8
03/14/2024 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
03/14/2024 30313285 6 Marriott Lax 02/25/2022 8
03/14/2024 30313290 9 50 Varick 05/06/2020 8
02/14/2024 30313311 28 Hotel Normandie 10/06/2020 8
02/14/2024 30313316 33 Courtyard Brunswick 09/30/2020 8
02/14/2024 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
02/14/2024 30313285 6 Marriott Lax 02/25/2022 8
02/14/2024 30313290 9 50 Varick 05/06/2020 8
01/12/2024 30313311 28 Hotel Normandie 10/06/2020 8
01/12/2024 30313316 33 Courtyard Brunswick 09/30/2020 8
01/12/2024 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
01/12/2024 30313285 6 Marriott Lax 02/25/2022 8
01/12/2024 30313290 9 50 Varick 05/06/2020 8
12/14/2023 30313311 28 Hotel Normandie 10/06/2020 8
12/14/2023 30313316 33 Courtyard Brunswick 09/30/2020 8
12/14/2023 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
12/14/2023 30313285 6 Marriott Lax 02/25/2022 8
12/14/2023 30313290 9 50 Varick 05/06/2020 8
Reports Available at sf.citidirect.com v. 21.09.28 Page 29 of 45 © Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
HISTORICAL LOAN MODIFICATION DETAIL
August 14, 2026
Distribution Modification Modification
Date Loan ID OMCR Property Name Date Code (4)
11/14/2023 30313311 28 Hotel Normandie 10/06/2020 8
11/14/2023 30313316 33 Courtyard Brunswick 09/30/2020 8
11/14/2023 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
11/14/2023 30313285 6 Marriott Lax 02/25/2022 8
11/14/2023 30313290 9 50 Varick 05/06/2020 8
10/16/2023 30313311 28 Hotel Normandie 10/06/2020 8
10/16/2023 30313316 33 Courtyard Brunswick 09/30/2020 8
10/16/2023 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
10/16/2023 30313285 6 Marriott Lax 02/25/2022 8
10/16/2023 30313290 9 50 Varick 05/06/2020 8
09/14/2023 30313311 28 Hotel Normandie 10/06/2020 8
09/14/2023 30313316 33 Courtyard Brunswick 09/30/2020 8
09/14/2023 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
09/14/2023 30313285 6 Marriott Lax 02/25/2022 8
09/14/2023 30313290 9 50 Varick 05/06/2020 8
08/14/2023 30313311 28 Hotel Normandie 10/06/2020 8
08/14/2023 30313316 33 Courtyard Brunswick 09/30/2020 8
08/14/2023 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
08/14/2023 30313285 6 Marriott Lax 02/25/2022 8
08/14/2023 30313290 9 50 Varick 05/06/2020 8
07/14/2023 30313311 28 Hotel Normandie 10/06/2020 8
07/14/2023 30313316 33 Courtyard Brunswick 09/30/2020 8
07/14/2023 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
07/14/2023 30313285 6 Marriott Lax 02/25/2022 8
07/14/2023 30313290 9 50 Varick 05/06/2020 8
06/14/2023 30313311 28 Hotel Normandie 10/06/2020 8
06/14/2023 30313316 33 Courtyard Brunswick 09/30/2020 8
06/14/2023 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
06/14/2023 30313285 6 Marriott Lax 02/25/2022 8
06/14/2023 30313290 9 50 Varick 05/06/2020 8
05/12/2023 30313311 28 Hotel Normandie 10/06/2020 8
05/12/2023 30313316 33 Courtyard Brunswick 09/30/2020 8
05/12/2023 30313319 37 Holiday Inn Express & Suites 12/22/2022 8
Reports Available at sf.citidirect.com v. 21.09.28 Page 30 of 45 © Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
HISTORICAL LOAN MODIFICATION DETAIL
August 14, 2026
Distribution Modification Modification
Date Loan ID OMCR Property Name Date Code (4)
05/12/2023 30313285 6 Marriott Lax 02/25/2022 8
05/12/2023 30313290 9 50 Varick 05/06/2020 8
04/14/2023 30313311 28 Hotel Normandie 10/06/2020 8
04/14/2023 30313316 33 Courtyard Brunswick 09/30/2020 8
04/14/2023 30313285 6 Marriott Lax 02/25/2022 8
04/14/2023 30313290 9 50 Varick 05/06/2020 8
03/14/2023 30313311 28 Hotel Normandie 10/06/2020 8
03/14/2023 30313316 33 Courtyard Brunswick 09/30/2020 8
03/14/2023 30313285 6 Marriott Lax 02/25/2022 8
03/14/2023 30313290 9 50 Varick 05/06/2020 8
02/14/2023 30313311 28 Hotel Normandie 10/06/2020 8
02/14/2023 30313316 33 Courtyard Brunswick 09/30/2020 8
02/14/2023 30313285 6 Marriott Lax 02/25/2022 8
02/14/2023 30313290 9 50 Varick 05/06/2020 8
01/13/2023 30313311 28 Hotel Normandie 10/06/2020 8
01/13/2023 30313316 33 Courtyard Brunswick 09/30/2020 8
01/13/2023 30313285 6 Marriott Lax 02/25/2022 8
01/13/2023 30313290 9 50 Varick 05/06/2020 8
12/14/2022 30313311 28 Hotel Normandie 10/06/2020 8
12/14/2022 30313316 33 Courtyard Brunswick 09/30/2020 8
12/14/2022 30313285 6 Marriott Lax 02/25/2022 8
12/14/2022 30313290 9 50 Varick 05/06/2020 8
11/15/2022 30313311 28 Hotel Normandie 10/06/2020 8
11/15/2022 30313316 33 Courtyard Brunswick 09/30/2020 8
11/15/2022 30313285 6 Marriott Lax 02/25/2022 8
11/15/2022 30313290 9 50 Varick 05/06/2020 8
10/17/2022 30313311 28 Hotel Normandie 10/06/2020 8
10/17/2022 30313316 33 Courtyard Brunswick 09/30/2020 8
10/17/2022 30313285 6 Marriott Lax 02/25/2022 8
10/17/2022 30313290 9 50 Varick 05/06/2020 8
09/14/2022 30313311 28 Hotel Normandie 10/06/2020 8
09/14/2022 30313316 33 Courtyard Brunswick 09/30/2020 8
09/14/2022 30313285 6 Marriott Lax 02/25/2022 8
Reports Available at sf.citidirect.com v. 21.09.28 Page 31 of 45 © Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4
HISTORICAL LOAN MODIFICATION DETAIL
August 14, 2026
Modification
Code (4)
Distribution Modification
Date Loan ID OMCR Property Name Date
09/14/2022 30313290 9 50 Varick 05/06/2020 8
08/12/2022 30313311 28 Hotel Normandie 10/06/2020 8
08/12/2022 30313282 3 Godfrey Hotel 05/06/2021 8
08/12/2022 30313316 33 Courtyard Brunswick 09/30/2020 8
08/12/2022 30313285 6 Marriott Lax 02/25/2022 8
08/12/2022 30313290 9 50 Varick 05/06/2020 8
07/14/2022 30313311 28 Hotel Normandie 10/06/2020 8
07/14/2022 30313282 3 Godfrey Hotel 05/06/2021 8
07/14/2022 30313316 33 Courtyard Brunswick 09/30/2020 8
07/14/2022 30313285 6 Marriott Lax 02/25/2022 8
07/14/2022 30313290 9 50 Varick 05/06/2020 8
06/14/2022 30313311 28 Hotel Normandie 10/06/2020 8
06/14/2022 30313282 3 Godfrey Hotel 05/06/2021 8
06/14/2022 30313316 33 Courtyard Brunswick 09/30/2020 8
06/14/2022 30313285 6 Marriott Lax 02/25/2022 8
06/14/2022 30313290 9 50 Varick 05/06/2020 8
05/13/2022 30313311 28 Hotel Normandie 10/06/2020 8
05/13/2022 30313282 3 Godfrey Hotel 05/06/2021 8
05/13/2022 30313316 33 Courtyard Brunswick 09/30/2020 8
05/13/2022 30313285 6 Marriott Lax 02/25/2022 8
05/13/2022 30313290 9 50 Varick 05/06/2020 8
04/14/2022 30313311 28 Hotel Normandie 10/06/2020 8
04/14/2022 30313282 3 Godfrey Hotel 05/06/2021 8
04/14/2022 30313316 33 Courtyard Brunswick 09/30/2020 8
04/14/2022 30313290 9 50 Varick 05/06/2020 8
03/14/2022 30313311 28 Hotel Normandie 10/06/2020 8
03/14/2022 30313282 3 Godfrey Hotel 05/06/2021 8
03/14/2022 30313316 33 Courtyard Brunswick 09/30/2020 8
03/14/2022 30313290 9 50 Varick 05/06/2020 8
02/14/2022 30313311 28 Hotel Normandie 10/06/2020 8
02/14/2022 30313282 3 Godfrey Hotel 05/06/2021 8
02/14/2022 30313316 33 Courtyard Brunswick 09/30/2020 8
02/14/2022 30313290 9 50 Varick 05/06/2020 8
Reports Available at sf.citidirect.com v. 21.09.28 Page 32 of 45 © Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4 August 14, 2026
HISTORICAL LOAN MODIFICATION DETAIL
Distribution Modification Modification
Date Loan ID OMCR Property Name Date Code (4)
01/14/2022 30313311 28 Hotel Normandie 10/06/2020 8
01/14/2022 30313282 3 Godfrey Hotel 05/06/2021 8
01/14/2022 30313316 33 Courtyard Brunswick 09/30/2020 8
01/14/2022 30313290 9 50 Varick 05/06/2020 8
12/14/2021 30313311 28 Hotel Normandie 10/06/2020 8
12/14/2021 30313282 3 Godfrey Hotel 05/06/2021 8
12/14/2021 30313316 33 Courtyard Brunswick 09/30/2020 8
12/14/2021 30313290 9 50 Varick 05/06/2020 8
11/15/2021 30313311 28 Hotel Normandie 10/06/2020 8
11/15/2021 30313282 3 Godfrey Hotel 05/06/2021 8
11/15/2021 30313316 33 Courtyard Brunswick 09/30/2020 8
11/15/2021 30313290 9 50 Varick 05/06/2020 8
10/15/2021 30313311 28 Hotel Normandie 10/06/2020 8
10/15/2021 30313282 3 Godfrey Hotel 05/06/2021 8
10/15/2021 30313316 33 Courtyard Brunswick 09/30/2020 8
10/15/2021 30313290 9 50 Varick 05/06/2020 8
09/14/2021 30313311 28 Hotel Normandie 10/06/2020 8
09/14/2021 30313282 3 Godfrey Hotel 05/06/2021 8
09/14/2021 30313316 33 Courtyard Brunswick 09/30/2020 8
09/14/2021 30313290 9 50 Varick 05/06/2020 8
08/13/2021 30313311 28 Hotel Normandie 10/06/2020 8
08/13/2021 30313282 3 Godfrey Hotel 05/06/2021 8
08/13/2021 30313316 33 Courtyard Brunswick 09/30/2020 8
08/13/2021 30313290 9 50 Varick 05/06/2020 8
07/14/2021 30313311 28 Hotel Normandie 10/06/2020 8
07/14/2021 30313282 3 Godfrey Hotel 05/19/2021 8
07/14/2021 30313290 9 50 Varick 05/06/2020 8
06/14/2021 30313311 28 Hotel Normandie 10/06/2020 8
06/14/2021 30313282 3 Godfrey Hotel 05/06/2020 8
06/14/2021 30313290 9 50 Varick 05/06/2020 8
05/14/2021 30313311 28 Hotel Normandie 10/06/2020 8
05/14/2021 30313282 3 Godfrey Hotel 05/06/2020 8
05/14/2021 30313290 9 50 Varick 05/06/2020 8
Reports Available at sf.citidirect.com v. 21.09.28 Page 33 of 45 © Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4 August 14, 2026
HISTORICAL LOAN MODIFICATION DETAIL
Distribution Modification Modification
Date Loan ID OMCR Property Name Date Code (4)
04/14/2021 30313311 28 Hotel Normandie 10/06/2020 8
04/14/2021 30313282 3 Godfrey Hotel 05/06/2020 8
04/14/2021 30313290 9 50 Varick 05/06/2020 8
03/12/2021 30313311 28 Hotel Normandie 10/06/2020 8
03/12/2021 30313282 3 Godfrey Hotel 05/06/2020 8
03/12/2021 30313290 9 50 Varick 05/06/2020 8
02/12/2021 30313311 28 Hotel Normandie 10/06/2020 8
02/12/2021 30313282 3 Godfrey Hotel 05/06/2020 8
02/12/2021 30313290 9 50 Varick 05/06/2020 8
01/14/2021 30313311 28 Hotel Normandie 10/06/2020 8
01/14/2021 30313282 3 Godfrey Hotel 05/06/2020 8
01/14/2021 30313290 9 50 Varick 05/06/2020 8
12/14/2020 30313311 28 Hotel Normandie 10/06/2020 8
12/14/2020 30313282 3 Godfrey Hotel 05/06/2020 8
12/14/2020 30313290 9 50 Varick 05/06/2020 8
11/16/2020 30313311 28 Hotel Normandie 10/06/2020 8
11/16/2020 30313282 3 Godfrey Hotel 05/06/2020 8
11/16/2020 30313290 9 50 Varick 05/06/2020 8
10/15/2020 30313311 28 Hotel Normandie 04/06/2020 8
10/15/2020 30313282 3 Godfrey Hotel 05/06/2020 8
10/15/2020 30313290 9 50 Varick 05/06/2020 8
09/14/2020 30313311 28 Hotel Normandie 04/06/2020 8
09/14/2020 30313282 3 Godfrey Hotel 05/06/2020 8
09/14/2020 30313290 9 50 Varick 05/06/2020 8
08/14/2020 30313311 28 Hotel Normandie 04/06/2020 8
08/14/2020 30313282 3 Godfrey Hotel 05/06/2020 8
08/14/2020 30313290 9 50 Varick 05/06/2020 8
07/14/2020 30313311 28 Hotel Normandie 04/06/2020 8
07/14/2020 30313282 3 Godfrey Hotel 05/06/2020 8
07/14/2020 30313290 9 50 Varick 05/06/2020 8
06/12/2020 30313311 28 Hotel Normandie 04/06/2020 8
06/12/2020 30313290 9 50 Varick 05/06/2020 8
05/14/2020 30313311 28 Hotel Normandie 04/06/2020 8
Reports Available at sf.citidirect.com v. 21.09.28 Page 34 of 45 © Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4 August 14, 2026
SPECIALLY SERVICED LOAN DETAIL
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
30313316 33 8 (35,000.00 ) - - 13,000,000.00 11/07/2025 09/10/2025
Reports Available at sf.citidirect.com v. 21.09.28 Page 35 of 45 © Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4 August 14, 2026
HISTORICAL SPECIALLY SERVICED LOANS
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
12/14/2021 30313282 3 8 3,500.00 44,994,086.53 44,994,086.53 71,000,000.00 11/01/2020 09/09/2020 11/04/2021
11/15/2021 30313282 3 1 (63,791.51 ) 44,994,086.53 44,994,086.53 71,000,000.00 11/01/2020 09/09/2020
10/15/2021 30313282 3 1 9,373.77 44,994,086.53 44,994,086.53 71,000,000.00 11/01/2020 09/09/2020
09/14/2021 30313282 3 1 9,686.23 44,994,086.53 44,994,086.53 71,000,000.00 11/01/2020 09/09/2020
08/13/2021 30313282 3 1 9,686.23 44,994,086.53 44,994,086.53 71,000,000.00 11/01/2020 09/09/2020
07/14/2021 30313282 3 1 (312.46 ) 44,994,086.53 44,994,086.53 71,000,000.00 11/01/2020 09/09/2020
06/14/2021 30313282 3 1 9,671.62 44,864,286.34 45,383,006.43 71,000,000.00 11/01/2020 09/09/2020
05/14/2021 30313282 3 1 9,373.77 44,926,231.75 45,383,006.43 71,000,000.00 11/01/2020 09/09/2020
04/14/2021 30313282 3 1 9,699.44 44,994,086.53 45,383,006.43 101,400,000.00 03/28/2017 09/09/2020
03/12/2021 30313282 3 1 8,776.29 45,055,479.91 45,567,645.58 101,400,000.00 03/28/2017 09/09/2020
02/12/2021 30313282 3 1 9,729.69 45,135,188.72 45,567,645.58 101,400,000.00 03/28/2017 09/09/2020
01/14/2021 30313282 3 1 9,742.72 45,195,982.00 45,567,645.58 101,400,000.00 03/28/2017 09/09/2020
12/14/2020 30313282 3 1 9,442.29 45,256,516.73 45,567,645.58 101,400,000.00 03/28/2017 09/09/2020
11/16/2020 30313282 3 1 9,769.95 45,323,011.95 45,567,645.58 101,400,000.00 03/28/2017 09/09/2020
10/15/2020 30313282 3 1 6,943.59 45,383,006.43 45,567,645.58 101,400,000.00 03/28/2017 09/09/2020
07/14/2022 30313285 6 8 (16,165.78 ) 36,723,512.64 36,784,274.46 182,000,000.00 04/26/2021 12/10/2020 06/30/2022
06/14/2022 30313285 6 1 7,930.74 36,784,274.46 36,899,836.72 182,000,000.00 04/26/2021 12/10/2020
05/13/2022 30313285 6 1 7,687.47 36,839,567.38 36,899,836.72 182,000,000.00 04/26/2021 12/10/2020
04/14/2022 30313285 6 1 (107,897.61 ) 36,899,836.72 36,899,836.72 182,000,000.00 04/26/2021 12/10/2020
03/14/2022 30313285 6 1 7,199.28 36,954,622.97 37,961,804.09 300,800,000.00 02/01/2018 12/10/2020
02/14/2022 30313285 6 1 7,982.31 37,024,878.60 37,961,804.09 300,800,000.00 02/01/2018 12/10/2020
01/14/2022 30313285 6 1 7,993.93 37,079,116.61 37,961,804.09 300,800,000.00 02/01/2018 12/10/2020
12/14/2021 30313285 6 1 7,748.36 37,133,116.82 37,961,804.09 300,800,000.00 02/01/2018 12/10/2020
11/15/2021 30313285 6 1 8,018.16 37,192,140.45 37,961,804.09 300,800,000.00 02/01/2018 12/10/2020
10/15/2021 30313285 6 1 7,771.71 37,245,645.11 37,961,804.09 300,800,000.00 02/01/2018 12/10/2020
09/14/2021 30313285 6 1 8,042.18 37,304,191.22 37,961,804.09 300,800,000.00 02/01/2018 12/10/2020
08/13/2021 30313285 6 1 8,053.54 37,357,204.61 37,961,804.09 300,800,000.00 02/01/2018 12/10/2020
07/14/2021 30313285 6 1 7,805.80 37,409,985.57 37,961,804.09 300,800,000.00 02/01/2018 12/10/2020
06/14/2021 30313285 6 1 8,077.25 37,467,834.29 37,961,804.09 300,800,000.00 02/01/2018 12/10/2020
05/14/2021 30313285 6 13 7,828.65 37,520,130.20 37,961,804.09 300,800,000.00 02/01/2018 12/10/2020
04/14/2021 30313285 6 13 8,100.76 37,577,511.51 37,961,804.09 300,800,000.00 02/01/2018 12/10/2020
03/12/2021 30313285 6 13 7,329.95 37,629,326.55 37,961,804.09 300,800,000.00 02/01/2018 12/10/2020
Reports Available at sf.citidirect.com v. 21.09.28 Page 36 of 45 © Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4 August 14, 2026
HISTORICAL SPECIALLY SERVICED LOANS
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
02/12/2021 30313285 6 13 8,126.35 37,696,909.14 37,961,804.09 300,800,000.00 02/01/2018 12/10/2020
01/14/2021 30313285 6 1 5,774.89 37,748,200.69 37,961,804.09 300,800,000.00 02/01/2018 12/10/2020
12/14/2020 30313301 18 6 (7,347.57 ) - 22,750,000.00 44,000,000.00 06/01/2017 09/10/2020
11/16/2020 30313301 18 6 4,897.57 22,750,000.00 22,750,000.00 44,000,000.00 06/01/2017 09/10/2020
10/15/2020 30313301 18 6 2,450.00 22,750,000.00 22,750,000.00 44,000,000.00 06/01/2017 09/10/2020
12/14/2022 30313308 25 8 (3,500.00 ) - - 21,300,000.00 07/19/2017 09/21/2021
11/15/2022 30313308 25 6 3,500.00 14,346,175.77 14,346,175.77 21,300,000.00 07/19/2017 09/21/2021
10/17/2022 30313308 25 6 (3,500.00 ) 14,368,299.60 14,368,299.60 21,300,000.00 07/19/2017 09/21/2021
09/14/2022 30313308 25 6 - 14,392,286.85 14,392,286.85 21,300,000.00 07/19/2017 09/21/2021
08/12/2022 30313308 25 13 - 14,414,216.34 14,414,216.34 21,300,000.00 07/19/2017 09/21/2021
07/14/2022 30313308 25 13 - 14,436,053.41 14,436,053.41 21,300,000.00 07/19/2017 09/21/2021
06/14/2022 30313308 25 13 (3,500.00 ) 14,459,764.29 14,459,764.29 21,300,000.00 07/19/2017 09/21/2021
05/13/2022 30313308 25 13 3,500.00 14,481,409.40 14,504,935.26 21,300,000.00 07/19/2017 09/21/2021
04/14/2022 30313308 25 13 3,500.00 14,504,935.26 14,526,389.99 21,300,000.00 07/19/2017 09/21/2021
03/14/2022 30313308 25 13 - 14,526,389.99 14,526,389.99 21,300,000.00 07/19/2017 09/21/2021
02/14/2022 30313308 25 13 (10,500.00 ) 14,553,690.13 14,553,690.13 21,300,000.00 07/19/2017 09/21/2021
01/14/2022 30313308 25 13 3,500.00 14,574,939.38 14,574,939.38 21,300,000.00 07/19/2017 09/21/2021
12/14/2021 30313308 25 13 3,500.00 14,596,099.08 14,619,157.11 21,300,000.00 07/19/2017 09/21/2021
11/15/2021 30313308 25 13 3,500.00 14,619,157.11 14,619,157.11 21,300,000.00 07/19/2017 09/21/2021
10/15/2021 30313308 25 13 3,500.00 14,640,130.45 14,640,130.45 21,300,000.00 07/19/2017 09/21/2021
08/14/2024 30313312 29 8 (20,322.58 ) 11,825,000.00 11,825,000.00 21,600,000.00 10/01/2017 12/07/2023 07/26/2024
07/12/2024 30313312 29 98 3,500.00 11,825,000.00 11,825,000.00 21,600,000.00 10/01/2017 12/07/2023
06/14/2024 30313312 29 98 3,500.00 11,825,000.00 11,825,000.00 21,600,000.00 10/01/2017 12/07/2023
05/14/2024 30313312 29 98 3,500.00 11,825,000.00 11,825,000.00 21,600,000.00 10/01/2017 12/07/2023
04/12/2024 30313312 29 98 3,500.00 11,825,000.00 11,825,000.00 21,600,000.00 10/01/2017 12/07/2023
03/14/2024 30313312 29 13 3,500.00 11,825,000.00 11,825,000.00 21,600,000.00 10/01/2017 12/07/2023
02/14/2024 30313312 29 13 3,500.00 11,825,000.00 11,825,000.00 21,600,000.00 10/01/2017 12/07/2023
01/12/2024 30313312 29 13 2,822.58 11,825,000.00 11,825,000.00 21,600,000.00 10/01/2017 12/07/2023
08/14/2026 30313316 33 8 (35,000.00 ) - - 13,000,000.00 11/07/2025 09/10/2025
07/14/2026 30313316 33 13 3,500.00 8,149,168.08 8,264,389.35 13,000,000.00 11/07/2025 09/10/2025
06/12/2026 30313316 33 13 3,500.00 8,166,185.39 8,264,389.35 13,000,000.00 11/07/2025 09/10/2025
05/14/2026 30313316 33 13 3,500.00 8,181,942.97 8,358,834.95 13,000,000.00 11/07/2025 09/10/2025
Reports Available at sf.citidirect.com v. 21.09.28 Page 37 of 45 © Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4 August 14, 2026
HISTORICAL SPECIALLY SERVICED LOANS
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
04/14/2026 30313316 33 13 3,500.00 8,198,817.79 8,358,834.95 13,000,000.00 11/07/2025 09/10/2025
03/13/2026 30313316 33 13 3,500.00 8,214,428.78 8,358,834.95 13,000,000.00 11/07/2025 09/10/2025
02/13/2026 30313316 33 13 3,500.00 8,233,548.81 8,358,834.95 13,000,000.00 11/07/2025 09/10/2025
01/14/2026 30313316 33 13 3,500.00 8,249,003.79 8,358,834.95 16,400,000.00 05/25/2017 09/10/2025
12/12/2025 30313316 33 13 3,500.00 8,264,389.35 8,358,834.95 16,400,000.00 05/25/2017 09/10/2025
11/17/2025 30313316 33 13 3,500.00 8,280,905.72 8,358,834.95 16,400,000.00 05/25/2017 09/10/2025
10/15/2025 30313316 33 13 3,500.00 8,296,147.98 8,358,834.95 16,400,000.00 05/25/2017 09/10/2025
02/14/2024 30313319 37 8 - 6,846,715.21 6,846,715.21 12,000,000.00 02/22/2023 05/27/2020 12/29/2023
01/12/2024 30313319 37 3 3,161.29 6,863,898.35 6,863,898.35 12,000,000.00 02/22/2023 05/27/2020
12/14/2023 30313319 37 3 3,500.00 6,881,007.46 6,881,007.46 12,000,000.00 02/22/2023 05/27/2020
11/14/2023 30313319 37 3 3,500.00 6,899,001.69 6,915,959.56 12,000,000.00 02/22/2023 05/27/2020
10/16/2023 30313319 37 3 3,500.00 6,915,959.56 6,933,808.04 12,000,000.00 02/22/2023 05/27/2020
09/14/2023 30313319 37 3 3,500.00 6,933,808.04 6,933,808.04 12,000,000.00 02/22/2023 05/27/2020
08/14/2023 30313319 37 3 3,500.00 6,950,615.95 6,950,615.95 12,000,000.00 02/22/2023 05/27/2020
07/14/2023 30313319 37 3 3,500.00 6,967,351.44 7,361,263.58 12,000,000.00 02/22/2023 05/27/2020
06/14/2023 30313319 37 3 3,500.00 6,984,985.61 7,361,263.58 12,000,000.00 02/22/2023 05/27/2020
05/12/2023 30313319 37 3 3,500.00 7,001,573.02 7,361,263.58 12,000,000.00 02/22/2023 05/27/2020
04/14/2023 30313319 37 3 3,500.00 7,019,064.49 7,602,141.74 12,000,000.00 02/22/2023 05/27/2020
03/14/2023 30313319 37 3 3,500.00 7,035,505.07 7,602,141.74 11,500,000.00 02/05/2021 05/27/2020
02/14/2023 30313319 37 3 3,500.00 7,054,816.30 7,602,141.74 11,500,000.00 02/05/2021 05/27/2020
01/13/2023 30313319 37 3 3,500.00 7,071,102.85 7,602,141.74 11,500,000.00 02/05/2021 05/27/2020
12/14/2022 30313319 37 3 3,500.00 7,087,319.23 7,602,141.74 11,500,000.00 02/05/2021 05/27/2020
11/15/2022 30313319 37 3 3,500.00 7,104,453.13 7,602,141.74 11,500,000.00 02/05/2021 05/27/2020
10/17/2022 30313319 37 3 3,500.00 7,120,525.82 7,602,141.74 11,500,000.00 02/05/2021 05/27/2020
09/14/2022 30313319 37 3 3,500.00 7,137,521.25 7,602,141.74 11,500,000.00 02/05/2021 05/27/2020
08/12/2022 30313319 37 3 3,500.00 7,153,451.47 7,602,141.74 11,500,000.00 02/05/2021 05/27/2020
07/14/2022 30313319 37 3 3,500.00 7,169,313.05 7,602,141.74 11,500,000.00 02/05/2021 05/27/2020
06/14/2022 30313319 37 3 3,500.00 7,186,105.04 7,602,141.74 11,500,000.00 02/05/2021 05/27/2020
05/13/2022 30313319 37 3 3,500.00 7,201,825.94 7,602,141.74 11,500,000.00 02/05/2021 05/27/2020
04/14/2022 30313319 37 3 3,500.00 7,218,482.35 7,602,141.74 11,500,000.00 02/05/2021 05/27/2020
03/14/2022 30313319 37 3 3,500.00 7,234,063.75 7,602,141.74 11,500,000.00 02/05/2021 05/27/2020
02/14/2022 30313319 37 3 3,500.00 7,252,601.96 7,602,141.74 11,500,000.00 02/05/2021 05/27/2020
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Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4 August 14, 2026
HISTORICAL SPECIALLY SERVICED LOANS
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
01/14/2022 30313319 37 3 3,500.00 7,268,036.36 7,602,141.74 11,500,000.00 02/05/2021 05/27/2020
12/14/2021 30313319 37 3 3,500.00 7,283,404.26 7,602,141.74 11,500,000.00 02/05/2021 05/27/2020
11/15/2021 30313319 37 3 3,500.00 7,299,720.48 7,602,141.74 11,500,000.00 02/05/2021 05/27/2020
10/15/2021 30313319 37 3 3,500.00 7,314,951.87 7,602,141.74 11,500,000.00 02/05/2021 05/27/2020
09/14/2021 30313319 37 3 3,500.00 7,331,136.54 7,602,141.74 11,000,000.00 07/27/2020 05/27/2020
08/13/2021 30313319 37 3 3,500.00 7,346,232.58 7,602,141.74 11,000,000.00 07/27/2020 05/27/2020
07/14/2021 30313319 37 3 3,500.00 7,361,263.58 7,602,141.74 11,000,000.00 07/27/2020 05/27/2020
06/14/2021 30313319 37 3 3,500.00 7,377,255.12 7,602,141.74 11,000,000.00 07/27/2020 05/27/2020
05/14/2021 30313319 37 3 3,500.00 7,392,152.46 7,602,141.74 11,000,000.00 07/27/2020 05/27/2020
04/14/2021 30313319 37 3 3,500.00 7,408,015.20 7,602,141.74 11,000,000.00 07/27/2020 05/27/2020
03/12/2021 30313319 37 3 3,500.00 7,422,780.01 7,602,141.74 11,000,000.00 07/27/2020 05/27/2020
02/12/2021 30313319 37 3 3,500.00 7,440,583.53 7,602,141.74 11,000,000.00 07/27/2020 05/27/2020
01/14/2021 30313319 37 3 3,500.00 7,455,208.02 7,602,141.74 11,000,000.00 07/27/2020 05/27/2020
12/14/2020 30313319 37 3 3,500.00 7,469,769.50 7,602,141.74 11,000,000.00 07/27/2020 05/27/2020
11/16/2020 30313319 37 3 3,500.00 7,485,308.57 7,602,141.74 11,000,000.00 07/27/2020 05/27/2020
10/15/2020 30313319 37 3 3,500.00 7,499,740.37 7,602,141.74 11,000,000.00 07/27/2020 05/27/2020
09/14/2020 30313319 37 13 3,500.00 7,515,154.46 7,602,141.74 13,000,000.00 07/19/2017 05/27/2020
08/14/2020 30313319 37 13 3,500.00 7,529,457.67 7,602,141.74 13,000,000.00 07/19/2017 05/27/2020
07/14/2020 30313319 37 13 3,500.00 7,543,699.25 7,602,141.74 13,000,000.00 07/19/2017 05/27/2020
06/12/2020 30313319 37 98 564.52 7,558,930.03 7,602,141.74 13,000,000.00 07/19/2017 05/27/2020
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Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4 August 14, 2026
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)
30313313 30 08/06/2026 9 9,935,000.00 - - - 37,419.36
30313316 33 07/17/2026 8 8,149,168.08 - - 244,475.04 -
Total Count = 2 18,084,168.08 - - 244,475.04 37,419.36
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Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4 August 14, 2026
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)
8/14/2026 30313313 30 08/06/2026 9 9,935,000.00 - - - 37,419.36
8/14/2026 30313316 33 07/17/2026 8 8,149,168.08 - - 244,475.04 -
6/12/2026 30313295 14 06/06/2026 8 23,310,357.48 - - 233,478.46 -
4/14/2025 30313326 44 04/06/2025 1 95,990.50 - - - -
6/14/2024 30313332 50 06/06/2024 8 3,625,000.00 - - 36,250.00 -
10/16/2023 30313282 3 10/06/2023 5 42,991,675.51 - - - -
12/14/2022 30313308 25 11/16/2022 2 14,346,175.77 - - - -
10/17/2022 30313302 19 10/06/2022 5 21,295,198.58 - - - -
10/17/2022 30313314 31 10/06/2022 5 9,150,033.19 - - - -
10/17/2022 30313334 52 10/06/2022 5 3,017,928.76 - - - -
9/14/2022 30313309 26 09/06/2022 5 13,303,403.21 - - - -
9/14/2022 30313329 47 08/12/2022 5 4,645,431.06 - - - -
5/13/2022 30313320 38 05/06/2022 9 6,850,787.24 - - - 102,487.99
7/14/2021 30313282 3 0 (129,800.19 ) - - - -
12/14/2020 30313301 18 12/07/2020 8 22,750,000.00 - - - 500,454.78
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Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4 August 14, 2026
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.
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Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4 August 14, 2026
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.
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Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4 August 14, 2026
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-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4 August 14, 2026
NOTES
No Notes available for this deal at this time.
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Citigroup Commercial Mortgage Trust 2017-C4 published this content on August 27, 2026, and is solely responsible for the information contained herein. Distributed via EDGAR on August 27, 2026 at 18:44 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]