06/25/2026 | Press release | Distributed by Public on 06/25/2026 12:49
| Citigroup Commercial Mortgage Trust 2017-C4 |
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 |
| STATEMENT TO NOTEHOLDERS |
| June 12, 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 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 1 of 45 | © Copyright 2026 Citigroup |
| Citigroup Commercial Mortgage Trust 2017-C4 |
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 |
| DISTRIBUTION SUMMARY |
| June 12, 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 | 199,739,590.64 | 3.209000 | % | 30/360 | 534,136.96 | - | 22,774,511.85 | 23,308,648.81 | - | - | 176,965,078.79 | |
| 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 | 10,271,592.95 | 3.297000 | % | 30/360 | 28,221.20 | - | 1,291,175.80 | 1,319,397.00 | - | - | 8,980,417.15 | |
| 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 | 4.281599 | % | 30/360 | 143,804.64 | - | - | 143,804.64 | - | - | 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 | 4.531599 | % | 30/360 | 83,018.89 | - | - | 83,018.89 | - | - | 21,984,000.00 | |
| F-RR | 12,214,000.00 | 12,214,000.00 | 4.531599 | % | 30/360 | 46,124.12 | - | - | 46,124.12 | - | - | 12,214,000.00 | |
| G-RR | 12,213,000.00 | 12,213,000.00 | 4.531599 | % | 30/360 | 46,120.35 | - | - | 46,120.35 | - | - | 12,213,000.00 | |
| H-RR | 9,770,000.00 | 9,770,000.00 | 4.531599 | % | 30/360 | 36,894.77 | - | - | 36,894.77 | - | - | 9,770,000.00 | |
| J-RR | 48,853,893.00 | 48,853,893.00 | 4.531599 | % | 30/360 | 194,384.63 | - | - | 194,384.63 | - | - | 48,853,893.00 | |
| S | - | - | 0.000000 | % | 30/360 | - | - | - | - | - | - | - | |
| R | - | - | 0.000000 | % | 30/360 | - | - | - | - | - | - | - | |
| Total | 977,059,893.00 | 774,821,076.59 | 2,355,949.33 | - | 24,065,687.65 | 26,421,636.98 | - | - | 750,755,388.94 | ||||
| Notional | |||||||||||||
| X-A | 757,221,000.00 | 554,982,183.59 | 1.119426 | % | 30/360 | 517,717.92 | 233,478.46 | - | 751,196.38 | - | (24,065,687.65 | ) | 530,916,495.94 |
| X-B | 85,493,000.00 | 85,493,000.00 | 0.348102 | % | 30/360 | 24,800.24 | - | - | 24,800.24 | - | - | 85,493,000.00 | |
| X-D | 29,311,000.00 | 29,311,000.00 | 1.531599 | % | 30/360 | 37,410.58 | - | - | 37,410.58 | - | - | 29,311,000.00 | |
| Total | 872,025,000.00 | 669,786,183.59 | 579,928.74 | 233,478.46 | - | 813,407.20 | - | (24,065,687.65 | ) | 645,720,495.94 | |||
| Grand Total | 1,849,084,893 | 1,444,607,260 | 2,935,878.07 | 233,478.46 | 24,065,687.65 | 27,235,044.18 | - | (24,065,687.65 | ) | 1,396,475,885 | |||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 2 of 45 | © Copyright 2026 Citigroup |
| Citigroup Commercial Mortgage Trust 2017-C4 |
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 |
| DISTRIBUTION SUMMARY - FACTORS |
| June 12, 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 | 05/29/2026 | - | - | - | - | - | - | - |
| A-2 | 17326 | FAB3 | 05/29/2026 | - | - | - | - | - | - | - |
| A-3 | 17326 | FAC1 | 05/29/2026 | 2.22557067 | - | 94.89379938 | 97.11937004 | - | - | 737.35449496 |
| A-4 | 17326 | FAD9 | 05/29/2026 | 2.89250001 | - | - | 2.89250001 | - | - | 1,000.00000000 |
| A-AB | 17326 | FAE7 | 05/29/2026 | 0.69510345 | - | 31.80235961 | 32.49746305 | - | - | 221.19254064 |
| A-S | 17326 | FAH0 | 05/29/2026 | 3.13666662 | - | - | 3.13666662 | - | - | 1,000.00000000 |
| X-A | 17326 | FAF4 | 05/29/2026 | 0.68370782 | 0.30833595 | - | 0.99204378 | - | - | 701.13810359 |
| B | 17326 | FAJ6 | 05/29/2026 | 3.41333333 | - | - | 3.41333333 | - | - | 1,000.00000000 |
| C | 17326 | FAK3 | 05/29/2026 | 3.56799921 | - | - | 3.56799921 | - | - | 1,000.00000000 |
| X-B | 17326 | FAG2 | 05/29/2026 | 0.29008504 | - | - | 0.29008504 | - | - | 1,000.00000000 |
| D | 17326FAL1 U1746HAA4 | 05/29/2026 | 2.50000000 | - | - | 2.50000000 | - | - | 1,000.00000000 | |
| X-D | 17326FAY3 U1746HAG1 | 05/29/2026 | 1.27633243 | - | - | 1.27633243 | - | - | 1,000.00000000 | |
| E-RR | 17326 | FAP2 | 05/29/2026 | 3.77633233 | - | - | 3.77633233 | - | - | 1,000.00000000 |
| F-RR | 17326 | FAR8 | 05/29/2026 | 3.77633208 | - | - | 3.77633208 | - | - | 1,000.00000000 |
| G-RR | 17326 | FAT4 | 05/29/2026 | 3.77633260 | - | - | 3.77633260 | - | - | 1,000.00000000 |
| H-RR | 17326 | FAV9 | 05/29/2026 | 3.77633265 | - | - | 3.77633265 | - | - | 1,000.00000000 |
| J-RR | 17326 | FAX5 | 05/29/2026 | 3.97889744 | - | - | 3.97889744 | - | - | 1,000.00000000 |
| S | 17326 | FBD8 | 05/29/2026 | - | - | - | - | - | - | - |
| R | 17326 | FBA4 | 05/29/2026 | - | - | - | - | - | - | - |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 3 of 45 | © Copyright 2026 Citigroup |
| Citigroup Commercial Mortgage Trust 2017-C4 |
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 |
| DISTRIBUTION INFORMATION - INTEREST DETAIL |
| June 12, 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 | % | 05/01-05/31 | - | - | - | - | - | - | - | - | - |
| A-2 | 3.19000 | % | 3.19000 | % | 3.19000 | % | 05/01-05/31 | - | - | - | - | - | - | - | - | - |
| A-3 | 3.20900 | % | 3.20900 | % | 3.20900 | % | 05/01-05/31 | 534,136.96 | - | - | - | - | 534,136.96 | - | - | 534,136.96 |
| A-4 | 3.47100 | % | 3.47100 | % | 3.47100 | % | 05/01-05/31 | 785,866.22 | - | - | - | - | 785,866.22 | - | - | 785,866.22 |
| A-AB | 3.29700 | % | 3.29700 | % | 3.29700 | % | 05/01-05/31 | 28,221.20 | - | - | - | - | 28,221.20 | - | - | 28,221.20 |
| A-S | 3.76400 | % | 3.76400 | % | 3.76400 | % | 05/01-05/31 | 229,854.93 | - | - | - | - | 229,854.93 | - | - | 229,854.93 |
| B | 4.09600 | % | 4.09600 | % | 4.09600 | % | 05/01-05/31 | 154,245.12 | - | - | - | - | 154,245.12 | - | - | 154,245.12 |
| C | 4.34400 | % | 4.28160 | % | 4.28160 | % | 05/01-05/31 | 143,804.64 | - | - | - | - | 143,804.64 | - | - | 143,804.64 |
| D | 3.00000 | % | 3.00000 | % | 3.00000 | % | 05/01-05/31 | 73,277.50 | - | - | - | - | 73,277.50 | - | - | 73,277.50 |
| E-RR | 4.59400 | % | 4.53160 | % | 4.53160 | % | 05/01-05/31 | 83,018.89 | - | - | - | - | 83,018.89 | - | - | 83,018.89 |
| F-RR | 4.59400 | % | 4.53160 | % | 4.53160 | % | 05/01-05/31 | 46,124.12 | - | - | - | - | 46,124.12 | - | - | 46,124.12 |
| G-RR | 4.59400 | % | 4.53160 | % | 4.53160 | % | 05/01-05/31 | 46,120.35 | - | - | - | - | 46,120.35 | - | - | 46,120.35 |
| H-RR | 4.59400 | % | 4.53160 | % | 4.53160 | % | 05/01-05/31 | 36,894.77 | - | - | - | - | 36,894.77 | - | - | 36,894.77 |
| J-RR | 4.59400 | % | 4.53160 | % | 4.53160 | % | 05/01-05/31 | 184,488.54 | - | - | 1,253.69 | - | 184,488.54 | 9,896.09 | - | 194,384.63 |
| S | 0.00000 | % | 0.00000 | % | 0.00000 | % | 05/01-05/31 | - | - | - | - | - | - | - | - | - |
| R | 0.00000 | % | 0.00000 | % | 0.00000 | % | 05/01-05/31 | - | - | - | - | - | - | - | - | - |
| Total | 2,346,053.24 | - | - | 1,253.69 | - | 2,346,053.24 | 9,896.09 | - | 2,355,949.33 | |||||||
| Notional | ||||||||||||||||
| X-A | 1.27500 | % | 1.11943 | % | 1.11943 | % | 05/01-05/31 | 517,717.92 | - | - | - | - | 517,717.92 | - | - | 751,196.38 |
| X-B | 0.38100 | % | 0.34810 | % | 0.34810 | % | 05/01-05/31 | 24,800.24 | - | - | - | - | 24,800.24 | - | - | 24,800.24 |
| X-D | 1.59400 | % | 1.53160 | % | 1.53160 | % | 05/01-05/31 | 37,410.58 | - | - | - | - | 37,410.58 | - | - | 37,410.58 |
| Total | 579,928.74 | - | - | - | - | 579,928.74 | - | - | 813,407.20 | |||||||
| Grand Total | 2,925,981.98 | - | - | 1,253.69 | - | 2,925,981.98 | 9,896.09 | - | 3,169,356.53 | |||||||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 4 of 45 | © Copyright 2026 Citigroup |
| Citigroup Commercial Mortgage Trust 2017-C4 |
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 |
| DISTRIBUTION INFORMATION - INTEREST SHORTFALL DETAIL |
| June 12, 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 | - | - | - | 331,986.06 | 1,253.69 | - | 9,896.09 | 323,343.66 | - | - | - | - | - |
| S | - | - | - | - | - | - | - | - | - | - | - | - | - |
| R | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Total | - | - | - | 331,986.06 | 1,253.69 | - | 9,896.09 | 323,343.66 | - | - | - | - | - |
| Notional | |||||||||||||
| X-A | - | - | - | - | - | - | - | - | - | - | - | - | - |
| X-B | - | - | - | - | - | - | - | - | - | - | - | - | - |
| X-D | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Total | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Grand Total | - | - | - | 331,986.06 | 1,253.69 | - | 9,896.09 | 323,343.66 | - | - | - | - | - |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 5 of 45 | © Copyright 2026 Citigroup |
| Citigroup Commercial Mortgage Trust 2017-C4 |
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 |
| DISTRIBUTION INFORMATION - PRINCIPAL DETAIL |
| June 12, 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 | % | 39.04 | % |
| A-2 | - | - | - | - | - | - | - | 10.63 | % | 0.00 | % | 30.00 | % | 39.04 | % |
| A-3 | 199,739,590.64 | 22,774,511.85 | - | - | - | 176,965,078.79 | - | 24.56 | % | 23.57 | % | 30.00 | % | 39.04 | % |
| A-4 | 271,691,000.00 | - | - | - | - | 271,691,000.00 | - | 27.81 | % | 36.19 | % | 30.00 | % | 39.04 | % |
| A-AB | 10,271,592.95 | 1,291,175.80 | - | - | - | 8,980,417.15 | - | 4.16 | % | 1.20 | % | 30.00 | % | 39.04 | % |
| A-S | 73,280,000.00 | - | - | - | - | 73,280,000.00 | - | 7.50 | % | 9.76 | % | 22.50 | % | 29.28 | % |
| B | 45,189,000.00 | - | - | - | - | 45,189,000.00 | - | 4.62 | % | 6.02 | % | 17.88 | % | 23.26 | % |
| C | 40,304,000.00 | - | - | - | - | 40,304,000.00 | - | 4.13 | % | 5.37 | % | 13.75 | % | 17.89 | % |
| D | 29,311,000.00 | - | - | - | - | 29,311,000.00 | - | 3.00 | % | 3.90 | % | 10.75 | % | 13.99 | % |
| E-RR | 21,984,000.00 | - | - | - | - | 21,984,000.00 | - | 2.25 | % | 2.93 | % | 8.50 | % | 11.06 | % |
| F-RR | 12,214,000.00 | - | - | - | - | 12,214,000.00 | - | 1.25 | % | 1.63 | % | 7.25 | % | 9.44 | % |
| G-RR | 12,213,000.00 | - | - | - | - | 12,213,000.00 | - | 1.25 | % | 1.63 | % | 6.00 | % | 7.81 | % |
| H-RR | 9,770,000.00 | - | - | - | - | 9,770,000.00 | - | 1.00 | % | 1.30 | % | 5.00 | % | 6.51 | % |
| J-RR | 48,853,893.00 | - | - | - | - | 48,853,893.00 | - | 5.00 | % | 6.51 | % | 0.00 | % | 0.00 | % |
| S | - | - | - | - | - | - | - | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % |
| R | - | - | - | - | - | - | - | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % |
| Total | 774,821,076.59 | 24,065,687.65 | - | - | - | 750,755,388.94 | - | 100.00 | % | 100.00 | % | ||||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 6 of 45 | © Copyright 2026 Citigroup |
| Citigroup Commercial Mortgage Trust 2017-C4 |
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 |
| RECONCILIATION DETAIL |
| June 12, 2026 |
| SOURCE OF FUNDS | ALLOCATION OF FUNDS | ||||
| Interest Funds Available | Scheduled Fees | ||||
| Scheduled Interest | 2,940,872.29 | Servicing Fee | 8,944.17 | ||
| Gross Prepayment Interest Shortfall | - | Trustee/Certificate Administrator Fee | 4,270.14 | ||
| Interest Adjustments | - | Operating Advisor Fee | 1,168.95 | ||
| ASER Amount | 18,380.95 | Asset Representations Reviewer Ongoing Fee | 173.47 | ||
| Realized Loss in Excess of Principal Balance | - | CREFC Intellectual Property Royalty License Fee | 333.58 | ||
| Total Interest Funds Available | 2,959,253.24 | Total Scheduled Fees | 14,890.31 | ||
| Principal Funds Available | Additional Fees, Expenses, etc. | ||||
| Scheduled Principal | 755,330.17 | Additional Servicing Fee | - | ||
| Curtailments | - | Special Servicing Fee | 3,500.00 | ||
| Unscheduled Principal Collections | 23,310,357.48 | 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 | 4,516.02 | ||
| Borrower Reimbursable Trust Fund Expenses | - | ||||
| Total Principal Funds Available | 24,065,687.65 | ||||
| Other Expenses | - | ||||
| Other Funds Available | |||||
| Yield Maintenance Charges | 233,478.46 | Total Additional Fees, Expenses, etc. | 8,484.86 | ||
| Withdrawal of Withheld Amounts from the Interest Reserve | Distributions | ||||
| Account | - | ||||
| Interest Distribution | 2,935,878.07 | ||||
| Deposit of Withheld Amounts to the Interest Reserve Account | - | ||||
| Principal Distribution | 24,065,687.65 | ||||
| Total Other Funds Available | 233,478.46 | Yield Maintenance Charge Distribution | 233,478.46 | ||
| Total Distributions | 27,235,044.18 | ||||
| Total Funds Available | 27,258,419.35 | ||||
| Total Funds Allocated | 27,258,419.35 | ||||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 7 of 45 | © Copyright 2026 Citigroup |
| Citigroup Commercial Mortgage Trust 2017-C4 |
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 |
| OTHER INFORMATION |
| Interest Reserve Account Information |
| June 12, 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 | 76.838216 | % |
| 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. |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 8 of 45 | © Copyright 2026 Citigroup |
| Citigroup Commercial Mortgage Trust 2017-C4 |
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 |
| STRATIFICATION DETAIL |
| June 12, 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 | 45 | 724,337,300.38 | 96.48 | 4.3895 | 14 | 1.746810 |
| 61 to 90 Months | 3 | 26,418,089.32 | 3.52 | 5.0332 | 64 | 1.273014 |
| 91 Months or Greater | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| Total | 48 | 750,755,389.70 | 100.00 | 4.4122 | 16 | 1.730137 |
| 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 | 12 | 200,647,063.07 | 26.73 | 4.7033 | 17 | 0.879743 |
| 1.251 to 1.500 | 4 | 56,667,261.48 | 7.55 | 4.3953 | 15 | 1.359131 |
| 1.501 to 1.750 | 8 | 93,505,644.36 | 12.45 | 4.6014 | 14 | 1.628157 |
| 1.751 to 2.000 | 10 | 149,802,115.48 | 19.95 | 4.5906 | 17 | 1.841818 |
| 2.001 to 2.250 | 2 | 74,609,594.40 | 9.94 | 4.1001 | 14 | 2.050039 |
| 2.251 to 2.500 | 4 | 78,040,944.48 | 10.39 | 3.9715 | 16 | 2.403525 |
| 2.501 to 2.750 | 5 | 83,747,253.68 | 11.16 | 3.9163 | 13 | 2.703611 |
| 2.751 to 3.000 | 1 | 3,881,356.99 | 0.52 | 3.8900 | 15 | 2.990000 |
| 3.001 to 3.250 | 1 | 2,754,155.76 | 0.37 | 4.9850 | 14 | 3.240000 |
| 3.251 to 3.500 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 3.501 to 3.750 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 3.751 to 4.000 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 4.001 or Greater | 1 | 7,100,000.00 | 0.95 | 4.1000 | 15 | 4.190000 |
| Total | 48 | 750,755,389.70 | 100.00 | 4.4122 | 16 | 1.730137 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 9 of 45 | © Copyright 2026 Citigroup |
| Citigroup Commercial Mortgage Trust 2017-C4 |
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 |
| STRATIFICATION DETAIL |
| June 12, 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 | 31,911,628.26 | 4.25 | 4.8000 | 16 | 1.934065 |
| 10,000,001 to 15,000,000 | 3 | 39,072,253.68 | 5.20 | 4.5835 | 14 | 1.496925 |
| 15,000,001 to 20,000,000 | 4 | 70,314,568.64 | 9.37 | 4.6671 | 24 | 1.487056 |
| 20,000,001 to 25,000,000 | 7 | 164,336,551.75 | 21.89 | 4.2561 | 14 | 1.704273 |
| 25,000,001 to 30,000,000 | 2 | 56,155,827.65 | 7.48 | 4.5674 | 15 | 1.158445 |
| 30,000,001 to 35,000,000 | 2 | 68,672,949.34 | 9.15 | 4.6227 | 12 | 1.142971 |
| 35,000,001 to 40,000,000 | 2 | 74,609,594.40 | 9.94 | 4.1001 | 14 | 2.050039 |
| 40,000,001 to 45,000,000 | 1 | 41,000,000.00 | 5.46 | 3.9950 | 15 | 2.730000 |
| 45,000,001 to 50,000,000 | 1 | 50,000,000.00 | 6.66 | 3.6000 | 17 | 2.450000 |
| 5,000,001 to 10,000,000 | 13 | 94,682,015.98 | 12.61 | 4.8505 | 19 | 1.625855 |
| 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 | 7.99 | 4.4953 | 15 | 1.820000 |
| 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 | 750,755,389.70 | 100.00 | 4.4122 | 16 | 1.730137 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 10 of 45 | © Copyright 2026 Citigroup |
| Citigroup Commercial Mortgage Trust 2017-C4 |
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 |
| STRATIFICATION DETAIL |
| June 12, 2026 |
| Loan Rate | ||||||
| Asset | Ending Scheduled | % of | Wtd Avg | |||
| Loan Rate Range | Count | Balance | Agg.Bal. WAC WAM | DSCR | ||
| 4.00 or Less | 5 | 144,798,419.51 | 19.29 | 3.7253 | 15 | 2.399347 |
| 4.01 to 4.25 | 4 | 116,709,594.40 | 15.55 | 4.1150 | 14 | 1.877323 |
| 4.26 to 4.50 | 9 | 180,625,515.38 | 24.06 | 4.4413 | 14 | 1.562227 |
| 4.51 to 4.75 | 13 | 187,894,520.22 | 25.03 | 4.6381 | 14 | 1.618587 |
| 4.76 to 5.00 | 5 | 15,329,528.26 | 2.04 | 4.9316 | 14 | 1.820060 |
| 5.01 to 5.25 | 10 | 93,578,023.50 | 12.46 | 5.1131 | 26 | 1.145356 |
| 5.26 to 5.50 | 1 | 2,050,944.48 | 0.27 | 5.2850 | 14 | 2.460000 |
| 5.51 to 5.75 | 1 | 9,768,843.95 | 1.30 | 5.5470 | 14 | 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 | 48 | 750,755,389.70 | 100.00 | 4.4122 | 16 | 1.730137 |
| Property Type | ||||||
| Asset | Ending Scheduled | % of | Wtd Avg | |||
| Property Type Range | Count | Balance | Agg.Bal. WAC WAM | DSCR | ||
| Industrial | 1 | 7,100,000.00 | 0.95 | 4.1000 | 15 | 4.190000 |
| Lodging | 7 | 122,175,605.10 | 16.27 | 4.7097 | 12 | 1.440916 |
| Mixed Use | 8 | 134,260,765.68 | 17.88 | 4.3067 | 14 | 1.949554 |
| Multifamily | 3 | 44,525,944.48 | 5.93 | 4.7455 | 14 | 1.584763 |
| Office | 9 | 219,978,483.92 | 29.30 | 4.1922 | 17 | 1.586107 |
| Other | 1 | 6,000,000.00 | 0.80 | 5.2500 | 12 | 1.700000 |
| Retail | 14 | 182,469,946.05 | 24.30 | 4.3845 | 19 | 1.806752 |
| Self Storage | 1 | 5,084,520.44 | 0.68 | 4.9150 | 15 | 1.220000 |
| Total | 48 | 750,755,389.70 | 100.00 | 4.4122 | 16 | 1.730137 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 11 of 45 | © Copyright 2026 Citigroup |
| Citigroup Commercial Mortgage Trust 2017-C4 |
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 |
| STRATIFICATION DETAIL |
| June 12, 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 | 427,443,872.96 | 56.94 | 4.3163 | 16 | 1.902524 |
| 241 to 270 Months | 25 | 323,311,516.74 | 43.06 | 4.5390 | 16 | 1.502229 |
| 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 | 48 | 750,755,389.70 | 100.00 | 4.4122 | 16 | 1.730137 |
| 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 | 76 | 1.280000 |
| 49 Months or Greater | 47 | 749,775,389.70 | 99.87 | 4.4113 | 16 | 1.730726 |
| Total | 48 | 750,755,389.70 | 100.00 | 4.4122 | 16 | 1.730137 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 12 of 45 | © Copyright 2026 Citigroup |
| Citigroup Commercial Mortgage Trust 2017-C4 |
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 |
| STRATIFICATION DETAIL |
| June 12, 2026 |
| State | ||||||
| Asset | Ending Scheduled | % of | Wtd Avg | |||
| State Range | Count | Balance | Agg.Bal. WAC WAM | DSCR | ||
| California | 9 | 152,148,970.98 | 20.27 | 4.6439 | 13 | 1.617201 |
| Colorado | 3 | 21,825,596.06 | 2.91 | 4.6706 | 14 | 2.444167 |
| Connecticut | 1 | 2,050,944.48 | 0.27 | 5.2850 | 14 | 2.460000 |
| Delaware | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| District of Columbia | 1 | 50,000,000.00 | 6.66 | 3.6000 | 17 | 2.450000 |
| Florida | 2 | 30,935,000.00 | 4.12 | 4.6507 | 30 | 1.774962 |
| Georgia | 6 | 28,311,991.73 | 3.77 | 4.8221 | 14 | 1.109385 |
| Illinois | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| Iowa | 1 | 980,000.00 | 0.13 | 5.0600 | 76 | 1.280000 |
| Kentucky | 1 | 37,268,279.09 | 4.96 | 4.0400 | 13 | 2.010000 |
| Louisiana | 1 | 24,917,062.52 | 3.32 | 3.9840 | 14 | 1.370000 |
| Maryland | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| Massachusetts | 3 | 92,475,000.00 | 12.32 | 4.5397 | 15 | 1.908816 |
| Michigan | 1 | 3,241,742.70 | 0.43 | 4.9800 | 14 | 1.600000 |
| Missouri | 1 | 6,000,000.00 | 0.80 | 5.2500 | 12 | 1.700000 |
| Nevada | 1 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| New York | 2 | 60,000,000.00 | 7.99 | 3.7750 | 13 | 1.727500 |
| North Carolina | 1 | 8,461,033.42 | 1.13 | 4.5340 | 14 | 1.870000 |
| Ohio | 1 | 2,686,924.15 | 0.36 | 5.1500 | 15 | 1.200000 |
| Pennsylvania | 1 | 26,370,302.90 | 3.51 | 4.7000 | 16 | 1.360000 |
| South Carolina | 1 | 5,675,171.78 | 0.76 | 4.6400 | 15 | 1.760000 |
| Texas | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| Utah | 1 | 5,084,520.44 | 0.68 | 4.9150 | 15 | 1.220000 |
| Various | 6 | 117,123,946.05 | 15.60 | 4.5903 | 21 | 1.110936 |
| Virginia | 1 | 24,000,000.00 | 3.20 | 4.5110 | 14 | 1.980000 |
| Washington | 1 | 6,317,546.41 | 0.84 | 5.0250 | 16 | 1.190000 |
| West Virginia | 1 | 3,881,356.99 | 0.52 | 3.8900 | 15 | 2.990000 |
| Wisconsin | 1 | 41,000,000.00 | 5.46 | 3.9950 | 15 | 2.730000 |
| Total | 48 | 750,755,389.70 | 100.00 | 4.4122 | 16 | 1.730137 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 13 of 45 | © Copyright 2026 Citigroup |
| Citigroup Commercial Mortgage Trust 2017-C4 |
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 |
| MORTGAGE LOAN DETAIL |
| June 12, 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 | 06/06/2026 | 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 | 06/01/2026 | 3.98400 | % | 85,646.03 | 47,772.10 | 24,964,834.62 | 24,917,062.52 | 08/01/2027 | 0 | 0 | 0 | ||||
| 30313292 | 11 | RT | Langhorne | PA | 06/06/2026 | 4.70000 | % | 106,881.63 | 38,336.96 | 26,408,639.86 | 26,370,302.90 | 10/06/2027 | 0 | 0 | 0 | ||||
| 30313293 | 12 | RT | Various | XX | 06/06/2026 | 4.40000 | % | 82,334.59 | 66,211.77 | 21,730,536.46 | 21,664,324.69 | 09/06/2027 | 0 | 0 | 0 | ||||
| 30313294 | 13 | OF | La Jolla | CA | 06/03/2026 | 4.55000 | % | 89,309.29 | 39,125.16 | 22,794,289.70 | 22,755,164.54 | 10/06/2027 | 0 | 0 | 0 | ||||
| 30313295 | 14 | MU | Windsor Mill | NV | 06/06/2026 | 4.25906 | % | 85,628.78 | 23,347,846.31 | 23,347,846.31 | - | 07/06/2027 | 0 | 0 | 0 | ||||
| 30313296 | 15 | MU | New York | NY | 06/06/2026 | 3.25000 | % | 69,965.28 | - | 25,000,000.00 | 25,000,000.00 | 06/06/2027 | 0 | 0 | 0 | ||||
| 30313340 | 16 | MF | Various | XX | 06/06/2026 | 4.71200 | % | 101,438.89 | - | 25,000,000.00 | 25,000,000.00 | 09/06/2027 | 0 | 0 | 0 | ||||
| 30313300 | 17 | LO | Arlington | VA | 06/06/2026 | 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 | 06/06/2026 | 4.49530 | % | 58,064.29 | - | 15,000,000.00 | 15,000,000.00 | 09/06/2027 | 0 | 0 | 0 | |||
| 30313231 | 2 | OF | Washington | DC | 06/01/2026 | 3.60000 | % | 155,000.00 | - | 50,000,000.00 | 50,000,000.00 | 11/01/2027 | 0 | 0 | 0 | ||||
| 30313251 | 20 | OF | Various | XX | 06/06/2026 | 4.26400 | % | 65,639.57 | 40,303.79 | 17,876,783.11 | 17,836,479.32 | 08/06/2027 | 0 | 0 | 0 | ||||
| 30313304 | 21 | RT | Miami | FL | 06/06/2026 | 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 | 06/06/2026 | 4.68300 | % | 78,635.38 | - | 19,500,000.00 | 19,500,000.00 | 07/06/2027 | 0 | 0 | 0 | ||||
| 30313306 | 23 | MF | Methuen | MA | 06/06/2026 | 4.73000 | % | 71,176.65 | - | 17,475,000.00 | 17,475,000.00 | 09/06/2027 | 0 | 0 | 0 | ||||
| 30313248 | 24 | RT | Various | XX | 06/08/2026 | 5.04000 | % | 67,369.01 | 19,722.92 | 15,522,812.24 | 15,503,089.32 | 09/08/2031 | 0 | 0 | 0 | ||||
| 30313310 | 27 | MH | Parachute | CO | 06/06/2026 | 4.69500 | % | 49,598.58 | 20,765.71 | 12,268,019.39 | 12,247,253.68 | 08/06/2027 | 0 | 0 | 0 | ||||
| 30313311 | 28 | LO | Los Angeles | CA | 06/06/2026 | 5.54700 | % | 46,799.12 | 28,770.82 | 9,797,614.77 | 9,768,843.95 | 08/06/2027 | 0 | 0 | 8 | ||||
| 30313312 | 29 | OF | San Jose | CA | 06/06/2026 | 4.58000 | % | 46,636.49 | - | 11,825,000.00 | 11,825,000.00 | 10/06/2027 | 0 | 8 | 0 | ||||
| 30313313 | 30 | OF | Jacksonville | FL | 06/06/2026 | 5.02000 | % | 42,946.80 | - | 9,935,000.00 | 9,935,000.00 | 10/06/2031 | 0 | 0 | 0 | ||||
| 30313315 | 32 | RT | Greensboro | NC | 06/06/2026 | 4.53400 | % | 33,096.07 | 15,841.59 | 8,476,875.01 | 8,461,033.42 | 08/06/2027 | 0 | 0 | 0 | ||||
| 30313316 | 33 | LO | Brunswick | GA | 12/06/2025 | 5.24000 | % | 36,918.74 | 15,757.58 | 8,181,942.97 | 8,166,185.39 | 09/06/2027 | 3 | 13 | 8 | ||||
| 30298889 | 34 | RT | Peach Tree | GA | 06/06/2026 | 4.28000 | % | 31,382.51 | - | 8,515,000.00 | 8,515,000.00 | 09/06/2027 | 0 | 0 | 0 | ||||
| 30313317 | 35 | MH | Various | XX | 06/06/2026 | 5.15000 | % | 32,580.67 | 12,193.48 | 7,346,721.45 | 7,334,527.97 | 10/06/2027 | 0 | 0 | 0 | ||||
| 30313318 | 36 | MH | Fort Collins | CO | 06/06/2026 | 4.50000 | % | 26,501.05 | 14,793.80 | 6,838,980.42 | 6,824,186.62 | 09/06/2027 | 0 | 0 | 0 | ||||
| 30313319 | 37 | LO | Sequim | WA | 02/06/2026 | 5.02500 | % | 27,420.77 | 19,463.03 | 6,337,009.44 | 6,317,546.41 | 10/06/2027 | 1 | 8 | 8 | ||||
| 30313321 | 39 | IN | San Diego | CA | 06/06/2026 | 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 | 06/01/2026 | 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 | 06/06/2026 | 4.64000 | % | 22,723.58 | 12,041.46 | 5,687,213.24 | 5,675,171.78 | 09/06/2027 | 0 | 0 | 0 | ||||
| 30313323 | 41 | N/A | St. Louis | MO | 06/06/2026 | 5.25000 | % | 27,125.00 | - | 6,000,000.00 | 6,000,000.00 | 06/06/2027 | 0 | 0 | 0 | ||||
| 30313324 | 42 | SS | Provo | UT | 06/06/2026 | 4.91500 | % | 21,563.27 | 10,335.06 | 5,094,855.50 | 5,084,520.44 | 09/06/2027 | 0 | 0 | 0 | ||||
| 30313325 | 43 | OF | Venice | CA | 06/06/2026 | 4.62450 | % | 21,902.15 | - | 5,500,000.00 | 5,500,000.00 | 08/06/2027 | 0 | 0 | 0 | ||||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 14 of 45 | © Copyright 2026 Citigroup |
| Citigroup Commercial Mortgage Trust 2017-C4 |
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 |
| MORTGAGE LOAN DETAIL |
| June 12, 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 | ) | |
| 30313326 | 44 | RT | Parkersburg | WV | 06/06/2026 | 3.89000 | % | 13,049.52 | 14,344.04 | 3,895,701.03 | 3,881,356.99 | 09/06/2027 | 0 | 0 | 0 | |||
| 30313327 | 45 | MU | Cartersville | GA | 06/06/2026 | 4.75000 | % | 18,035.05 | 9,351.44 | 4,409,247.50 | 4,399,896.06 | 06/06/2027 | 0 | 0 | 0 | |||
| 30313328 | 46 | MU | Temecula | CA | 05/06/2026 | 4.54100 | % | 18,350.30 | 7,105.92 | 4,692,803.76 | 4,685,697.84 | 08/06/2027 | B | 0 | 0 | |||
| 30313330 | 48 | LO | Richmond Hill | GA | 06/06/2026 | 5.25000 | % | 13,520.69 | 8,951.10 | 2,990,752.02 | 2,981,800.92 | 10/06/2027 | 0 | 0 | 0 | |||
| 30313331 | 49 | RT | Grand Rapids | MI | 06/06/2026 | 4.98000 | % | 13,925.79 | 5,623.61 | 3,247,366.31 | 3,241,742.70 | 08/06/2027 | 0 | 0 | 0 | |||
| 30313284 | 5 | OF | San Jose | CA | 06/06/2026 | 4.16000 | % | 133,980.56 | 60,206.91 | 37,401,522.22 | 37,341,315.31 | 10/06/2027 | 0 | 0 | 0 | |||
| 30313333 | 51 | MH | Arvada | CO | 06/06/2026 | 4.98500 | % | 11,846.51 | 5,570.41 | 2,759,726.17 | 2,754,155.76 | 08/06/2027 | 0 | 0 | 0 | |||
| 30313335 | 53 | RT | Willoughby | OH | 06/06/2026 | 5.15000 | % | 11,939.09 | 5,260.74 | 2,692,184.89 | 2,686,924.15 | 09/06/2027 | 0 | 0 | 0 | |||
| 30313336 | 54 | RT | Duluth | GA | 06/06/2026 | 4.95000 | % | 10,196.12 | 3,681.90 | 2,392,051.36 | 2,388,369.46 | 10/06/2027 | 0 | 0 | 0 | |||
| 30313337 | 55 | MF | Hartford | CT | 06/06/2026 | 5.28500 | % | 9,351.78 | 3,953.18 | 2,054,897.66 | 2,050,944.48 | 08/06/2027 | 0 | 0 | 0 | |||
| 30313338 | 56 | RT | Dacula | GA | 06/06/2026 | 4.79000 | % | 7,688.72 | 3,316.56 | 1,864,056.46 | 1,860,739.90 | 09/06/2027 | 0 | 0 | 0 | |||
| 30313339 | 57 | RT | Milford | IA | 05/06/2026 | 5.06000 | % | 4,270.08 | - | 980,000.00 | 980,000.00 | 10/06/2032 | B | 0 | 0 | |||
| 30313285 | 6 | LO | Los Angeles | CA | 06/06/2026 | 5.11400 | % | 148,589.88 | 68,934.26 | 33,741,883.60 | 33,672,949.34 | 03/06/2027 | 0 | 8 | 8 | |||
| 30313288 | 7 | LO | Louisville | KY | 06/06/2026 | 4.04000 | % | 129,843.69 | 55,042.03 | 37,323,321.12 | 37,268,279.09 | 07/06/2027 | 0 | 0 | 0 | |||
| 30313289 | 8 | OF | Various | XX | 06/06/2026 | 4.45000 | % | 114,385.80 | 65,064.01 | 29,850,588.76 | 29,785,524.75 | 09/06/2027 | 0 | 0 | 0 | |||
| 30313290 | 9 | OF | New York | NY | 06/06/2026 | 4.15000 | % | 125,076.39 | - | 35,000,000.00 | 35,000,000.00 | 09/06/2027 | 0 | 0 | 8 | |||
| Total | Count = 48 | 2,940,872.29 | 24,065,687.65 | 774,821,077.35 | 750,755,389.70 | |||||||||||||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 15 of 45 | © Copyright 2026 Citigroup |
| Citigroup Commercial Mortgage Trust 2017-C4 |
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 |
| NOI DETAIL |
| June 12, 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 | 6,728,001.69 | Not Available | Not Available | |||
| 30313291 | 10 | RT | Baton Rouge | LA | 24,917,062.52 | 27,158,111.98 | 27,021,825.04 | Not Available | Not Available | |||
| 30313292 | 11 | RT | Langhorne | PA | 26,370,302.90 | 2,378,522.07 | 2,512,941.33 | Not Available | Not Available | |||
| 30313293 | 12 | RT | Various | XX | 21,664,324.69 | 2,994,033.31 | 2,911,660.45 | Not Available | Not Available | |||
| 30313294 | 13 | OF | La Jolla | CA | 22,755,164.54 | 2,483,173.82 | 2,483,173.82 | Not Available | Not Available | |||
| 30313296 | 15 | MU | New York | NY | 25,000,000.00 | 2,236,828.92 | 2,236,828.92 | Not Available | Not Available | |||
| 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 | 6,728,001.69 | Not Available | Not Available | ||
| 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 | 17,836,479.32 | 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 | 15,503,089.32 | 2,723,483.31 | 693,143.95 | Not Available | Not Available | |||
| 30313310 | 27 | MH | Parachute | CO | 12,247,253.68 | 2,084,178.74 | 2,342,337.06 | Not Available | Not Available | |||
| 30313311 | 28 | LO | Los Angeles | CA | 9,768,843.95 | 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 | |
| 30313313 | 30 | OF | Jacksonville | FL | 9,935,000.00 | 2,912,361.80 | 2,913,705.40 | Not Available | Not Available | |||
| 30313315 | 32 | RT | Greensboro | NC | 8,461,033.42 | 1,003,282.95 | 1,221,317.80 | Not Available | Not Available | |||
| 30313316 | 33 | LO | Brunswick | GA | 8,166,185.39 | (517,331.72 | ) | (517,331.72 | ) | 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 | 7,334,527.97 | 829,413.99 | 933,262.01 | Not Available | Not Available | |||
| 30313318 | 36 | MH | Fort Collins | CO | 6,824,186.62 | 650,410.14 | 807,555.45 | Not Available | Not Available | |||
| 30313319 | 37 | LO | Sequim | WA | 6,317,546.41 | 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 | 16,690,137.20 | Not Available | Not Available | |||
| 30313322 | 40 | MU | West Columbia | SC | 5,675,171.78 | 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 | 5,084,520.44 | 524,517.96 | 475,802.42 | Not Available | Not Available | |||
| 30313325 | 43 | OF | Venice | CA | 5,500,000.00 | 659,534.58 | 659,534.58 | Not Available | Not Available | |||
| 30313326 | 44 | RT | Parkersburg | WV | 3,881,356.99 | 1,089,403.37 | 1,089,403.37 | Not Available | Not Available | |||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 16 of 45 | © Copyright 2026 Citigroup | |||||||||
| Citigroup Commercial Mortgage Trust 2017-C4 |
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 |
| NOI DETAIL |
| June 12, 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 |
| 30313327 | 45 | MU | Cartersville | GA | 4,399,896.06 | 632,928.96 | 505,873.10 | Not Available | Not Available |
| 30313328 | 46 | MU | Temecula | CA | 4,685,697.84 | 569,330.17 | 569,330.17 | Not Available | Not Available |
| 30313330 | 48 | LO | Richmond Hill | GA | 2,981,800.92 | 433,041.69 | 565,895.21 | Not Available | Not Available |
| 30313331 | 49 | RT | Grand Rapids | MI | 3,241,742.70 | 399,530.64 | 535,354.39 | Not Available | Not Available |
| 30313284 | 5 | OF | San Jose | CA | 37,341,315.31 | 4,898,427.23 | 4,898,427.23 | Not Available | Not Available |
| 30313333 | 51 | MH | Arvada | CO | 2,754,155.76 | 627,808.03 | 680,451.13 | Not Available | Not Available |
| 30313335 | 53 | RT | Willoughby | OH | 2,686,924.15 | 304,441.47 | 65,727.28 | 01/01/2026 | 03/31/2026 |
| 30313336 | 54 | RT | Duluth | GA | 2,388,369.46 | 330,190.68 | 330,190.68 | Not Available | Not Available |
| 30313337 | 55 | MF | Hartford | CT | 2,050,944.48 | 429,256.84 | 420,339.14 | Not Available | Not Available |
| 30313338 | 56 | RT | Dacula | GA | 1,860,739.90 | 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 | 33,672,949.34 | 10,706,331.20 | 4,069,056.33 | 01/01/2026 | 03/31/2026 |
| 30313288 | 7 | LO | Louisville | KY | 37,268,279.09 | 5,598,600.27 | 5,598,600.27 | Not Available | Not Available |
| 30313289 | 8 | OF | Various | XX | 29,785,524.75 | 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 = 47 | 750,755,389.70 | 173,019,812.24 | 150,654,666.92 | |||||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 17 of 45 | © Copyright 2026 Citigroup |
| Citigroup Commercial Mortgage Trust 2017-C4 |
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 |
| DELINQUENCY LOAN DETAIL |
| June 12, 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 |
| 30313316 | 33 | 8,264,389.35 | 12/06/2025 | 71,022.04 | 306,517.63 | 21,553.44 | 37,058.18 | 3 | 13 | 09/10/2025 | |||||
| 30313319 | 37 | 6,357,272.16 | 02/06/2026 | 46,856.52 | 835,210.84 | 670,451.70 | 1,084,540.00 | 1 | 8 | 05/27/2020 | 09/18/2020 | ||||
| 30313328 | 46 | 4,692,803.76 | 05/06/2026 | 25,355.19 | 25,436.01 | - | - | B | 0 | ||||||
| 30313339 | 57 | 980,000.00 | 05/06/2026 | 4,265.86 | 4,265.86 | - | - | B | 0 | ||||||
| Total | Count = 4 | 20,294,465.27 | 147,499.61 | 1,171,430.34 | 692,005.14 | 1,121,598.18 | |||||||||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 18 of 45 | © Copyright 2026 Citigroup |
| Citigroup Commercial Mortgage Trust 2017-C4 |
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 |
| COLLATERAL PERFORMANCE - DELINQUENCY AND LOAN STATUS DETAIL |
| |
| June 12, 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 | |||||||||||||||
| 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 | % | ||
| 2 | 43,327,626 | 1 | 10,059,386 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||||||||
| 08/14/2025 | |||||||||||||||||||||||||||||
| 4.2 | % | 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 | % | ||
| 1 | 10,086,775 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||||||||
| 07/14/2025 | |||||||||||||||||||||||||||||
| 2.1 | % | 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 | % | ||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 19 of 45 | © Copyright 2026 Citigroup |
| Citigroup Commercial Mortgage Trust 2017-C4 |
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 |
| APPRAISAL REDUCTION DETAIL |
| June 12, 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 | 8,181,942.97 | 8,166,185.39 | - | 02/09/2026 | (18,380.95 | ) | 9,332.41 |
| 30313319 | 37 | Holiday Inn Express & Suites | 6,337,009.44 | 6,317,546.41 | - | 05/08/2023 | - | 8,137.04 | |
| Total | Count = 2 | 14,518,952.41 | 14,483,731.80 | - | (18,380.95 | ) | 17,469.45 | ||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 20 of 45 | © Copyright 2026 Citigroup |
| Citigroup Commercial Mortgage Trust 2017-C4 |
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 |
| HISTORICAL APPRAISAL REDUCTION DETAIL |
| June 12, 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 | ||||
| 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 | |
| 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 | |
| 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 |
| June 12, 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 | ||||
| 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 | |
| 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 | |
| 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 |
| June 12, 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 | |||
| 9/14/2021 | 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 |
| June 12, 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 |
| June 12, 2026 |
| Distribution | Modification | Modification | |||
| Date | Loan ID | OMCR | Property Name | Date | Code (4) |
| 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 |
| 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 | ||
| 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 |
| June 12, 2026 |
| Distribution | Modification | Modification | |||
| Date | Loan ID | OMCR | Property Name | Date | Code (4) |
| 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 |
| 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 |
| 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 |
| June 12, 2026 |
| Distribution | Modification | Modification | |||
| Date | Loan ID | OMCR | Property Name | Date | Code (4) |
| 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 |
| 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 |
| 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 |
| June 12, 2026 |
| Distribution | Modification | Modification | |||
| Date | Loan ID | OMCR | Property Name | Date | Code (4) |
| 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 |
| 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 |
| 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 |
| June 12, 2026 |
| Distribution | Modification | Modification | |||
| Date | Loan ID | OMCR | Property Name | Date | Code (4) |
| 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 |
| 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 |
| 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 |
| June 12, 2026 |
| Distribution | Modification | Modification | |||
| Date | Loan ID | OMCR | Property Name | Date | Code (4) |
| 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 |
| 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 |
| 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 |
| June 12, 2026 |
| Distribution | Modification | Modification | |||
| Date | Loan ID | OMCR | Property Name | Date | Code (4) |
| 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 |
| 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 |
| 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 |
| June 12, 2026 |
| Modification |
| Code (4) |
| Distribution | Modification | ||||
| Date | Loan ID | OMCR | Property Name | Date | |
| 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 |
| 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 |
| 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 | June 12, 2026 | |||||
| HISTORICAL LOAN MODIFICATION DETAIL | ||||||
| Distribution | Modification | Modification | ||||
| Date | Loan ID | OMCR | Property Name | Date | Code (4) | |
| 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 | |
| 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 | |
| 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 | June 12, 2026 | |||||
| HISTORICAL LOAN MODIFICATION DETAIL | ||||||
| Distribution | Modification | Modification | ||||
| Date | Loan ID | OMCR | Property Name | Date | Code (4) | |
| 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 | June 12, 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 | 13 | 3,500.00 | 8,166,185.39 | 8,264,389.35 | 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 | June 12, 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 | June 12, 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 | ||
| 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 | ||
| 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 | ||
| 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 | June 12, 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 |
| 02/13/2026 | 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 | |
| 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 | |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 38 of 45 | © Copyright 2026 Citigroup | |||||||
| Citigroup Commercial Mortgage Trust 2017-C4 | ||||||||||
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 | June 12, 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 |
| 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 | |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 39 of 45 | © Copyright 2026 Citigroup | |||||||
| Citigroup Commercial Mortgage Trust 2017-C4 | ||||||||
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 | June 12, 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) |
| 30313295 | 14 | 06/06/2026 | 8 | 23,310,357.48 | - | - | 233,478.46 | - |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 40 of 45 | © Copyright 2026 Citigroup | |||||
| Citigroup Commercial Mortgage Trust 2017-C4 | ||||||||||
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 | June 12, 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) | |
| 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 | |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 41 of 45 | © Copyright 2026 Citigroup | |||||||
| Citigroup Commercial Mortgage Trust 2017-C4 | |||||||||||
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 | June 12, 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. | |||||||||||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 42 of 45 | © Copyright 2026 Citigroup | ||||||||
| Citigroup Commercial Mortgage Trust 2017-C4 | |||||||||||
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 | June 12, 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. | |||||||||||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 43 of 45 | © Copyright 2026 Citigroup | ||||||||
| Citigroup Commercial Mortgage Trust 2017-C4 | |||||
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 | June 12, 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 | ||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 44 of 45 | © Copyright 2026 Citigroup | ||
| Citigroup Commercial Mortgage Trust 2017-C4 | |||
| Commercial Mortgage Pass-Through Certificates, Series 2017-C4 | June 12, 2026 | ||
| NOTES | |||
| No Notes available for this deal at this time. | |||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 45 of 45 | © Copyright 2026 Citigroup |