Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

STATEMENT TO NOTEHOLDERS

November 17, 2025


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
danny1.lee@citi.com		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	34
15	.	Historical Specially Serviced Loan Detail	35
16	.	Unscheduled Principal Detail	39
17	.	Historical Unscheduled Principal Detail	40
18	.	Liquidated Loan Detail	41
19	.	Historical Liquidated Loan Detail	42
20	.	CREFC Investor Reporting Package Legends	43
21	.	Notes	44


Reports Available at sf.citidirect.com	v. 21.09.28	Page 1 of 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

DISTRIBUTION SUMMARY

November 17, 2025


											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	-	-	534,136.96	-	-		199,739,590.64
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	15,721,246.97	3.297000	%	30/360	43,194.13	-	733,904.86	777,098.99	-	-		14,987,342.11
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	4.282743	%	30/360	143,843.07	-	-	143,843.07	-	-		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	4.532743	%	30/360	83,039.86	-	-	83,039.86	-	-		21,984,000.00
F-RR	12,214,000.00	12,214,000.00	4.532743	%	30/360	46,135.77	-	-	46,135.77	-	-		12,214,000.00
G-RR	12,213,000.00	12,213,000.00	4.532743	%	30/360	46,131.99	-	-	46,131.99	-	-		12,213,000.00
H-RR	9,770,000.00	9,770,000.00	4.532743	%	30/360	36,904.08	-	-	36,904.08	-	-		9,770,000.00
J-RR	48,853,893.00	48,853,893.00	4.532743	%	30/360	171,944.21	-	-	171,944.21	-	-		48,853,893.00
S	-	-	0.000000	%	30/360	-	-	-	-	-	-		-
R	-	-	0.000000	%	30/360	-	-	-	-	-	-		-
Total	977,059,893.00	780,270,730.61				2,348,573.84	-	733,904.86	3,082,478.70	-	-		779,536,825.75
Notional
X-A	757,221,000.00	560,431,837.61	1.121690	%	30/360	523,859.12	-	-	523,859.12	-	(733,904.86	)	559,697,932.75
X-B	85,493,000.00	85,493,000.00	0.348707	%	30/360	24,843.33	-	-	24,843.33	-	-		85,493,000.00
X-D	29,311,000.00	29,311,000.00	1.532743	%	30/360	37,438.53	-	-	37,438.53	-	-		29,311,000.00
Total	872,025,000.00	675,235,837.61				586,140.98	-	-	586,140.98	-	(733,904.86	)	674,501,932.75

Grand Total	1,849,084,893	1,455,506,568				2,934,714.82	-	733,904.86	3,668,619.68	-	(733,904.86	)	1,454,038,759


Reports Available at sf.citidirect.com	v. 21.09.28	Page 2 of 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

DISTRIBUTION SUMMARY - FACTORS

November 17, 2025


									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	10/31/2025	-	-	-	-	-	-	-
A-2	17326	FAB3	10/31/2025	-	-	-	-	-	-	-
A-3	17326	FAC1	10/31/2025	2.22557067	-	-	2.22557067	-	-	832.24829433
A-4	17326	FAD9	10/31/2025	2.89250001	-	-	2.89250001	-	-	1,000.00000000
A-AB	17326	FAE7	10/31/2025	1.06389483	-	18.07647438	19.14036921	-	-	369.14635739
A-S	17326	FAH0	10/31/2025	3.13666662	-	-	3.13666662	-	-	1,000.00000000
X-A	17326	FAF4	10/31/2025	0.69181800	-	-	0.69181800	-	-	739.14739917
B	17326	FAJ6	10/31/2025	3.41333333	-	-	3.41333333	-	-	1,000.00000000
C	17326	FAK3	10/31/2025	3.56895271	-	-	3.56895271	-	-	1,000.00000000
X-B	17326	FAG2	10/31/2025	0.29058905	-	-	0.29058905	-	-	1,000.00000000
D	17326FAL1 U1746HAA4		10/31/2025	2.50000000	-	-	2.50000000	-	-	1,000.00000000
X-D	17326FAY3 U1746HAG1		10/31/2025	1.27728600	-	-	1.27728600	-	-	1,000.00000000
E-RR	17326	FAP2	10/31/2025	3.77728621	-	-	3.77728621	-	-	1,000.00000000
F-RR	17326	FAR8	10/31/2025	3.77728590	-	-	3.77728590	-	-	1,000.00000000
G-RR	17326	FAT4	10/31/2025	3.77728568	-	-	3.77728568	-	-	1,000.00000000
H-RR	17326	FAV9	10/31/2025	3.77728557	-	-	3.77728557	-	-	1,000.00000000
J-RR	17326	FAX5	10/31/2025	3.51956005	-	-	3.51956005	-	-	1,000.00000000
S	17326	FBD8	10/31/2025	-	-	-	-	-	-	-
R	17326	FBA4	10/31/2025	-	-	-	-	-	-	-


Reports Available at sf.citidirect.com	v. 21.09.28	Page 3 of 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

DISTRIBUTION INFORMATION - INTEREST DETAIL

November 17, 2025


			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	%	10/01-10/31	-	-	-	-	-	-	-	-	-
A-2	3.19000	%	3.19000	%	3.19000	%	10/01-10/31	-	-	-	-	-	-	-	-	-
A-3	3.20900	%	3.20900	%	3.20900	%	10/01-10/31	534,136.96	-	-	-	-	534,136.96	-	-	534,136.96
A-4	3.47100	%	3.47100	%	3.47100	%	10/01-10/31	785,866.22	-	-	-	-	785,866.22	-	-	785,866.22
A-AB	3.29700	%	3.29700	%	3.29700	%	10/01-10/31	43,194.13	-	-	-	-	43,194.13	-	-	43,194.13
A-S	3.76400	%	3.76400	%	3.76400	%	10/01-10/31	229,854.93	-	-	-	-	229,854.93	-	-	229,854.93
B	4.09600	%	4.09600	%	4.09600	%	10/01-10/31	154,245.12	-	-	-	-	154,245.12	-	-	154,245.12
C	4.34400	%	4.28274	%	4.28274	%	10/01-10/31	143,843.07	-	-	-	-	143,843.07	-	-	143,843.07
D	3.00000	%	3.00000	%	3.00000	%	10/01-10/31	73,277.50	-	-	-	-	73,277.50	-	-	73,277.50
E-RR	4.59400	%	4.53274	%	4.53274	%	10/01-10/31	83,039.86	-	-	-	-	83,039.86	-	-	83,039.86
F-RR	4.59400	%	4.53274	%	4.53274	%	10/01-10/31	46,135.77	-	-	-	-	46,135.77	-	-	46,135.77
G-RR	4.59400	%	4.53274	%	4.53274	%	10/01-10/31	46,131.99	-	-	-	-	46,131.99	-	-	46,131.99
H-RR	4.59400	%	4.53274	%	4.53274	%	10/01-10/31	36,904.08	-	-	-	-	36,904.08	-	-	36,904.08
J-RR	4.59400	%	4.53274	%	4.53274	%	10/01-10/31	184,535.13	-	-	13,642.65	-	171,944.21	-	-	171,944.21
S	0.00000	%	0.00000	%	0.00000	%	10/01-10/31	-	-	-	-	-	-	-	-	-
R	0.00000	%	0.00000	%	0.00000	%	10/01-10/31	-	-	-	-	-	-	-	-	-
Total								2,361,164.76	-	-	13,642.65	-	2,348,573.84	-	-	2,348,573.84
Notional
X-A	1.27500	%	1.12169	%	1.12169	%	10/01-10/31	523,859.12	-	-	-	-	523,859.12	-	-	523,859.12
X-B	0.38100	%	0.34871	%	0.34871	%	10/01-10/31	24,843.33	-	-	-	-	24,843.33	-	-	24,843.33
X-D	1.59400	%	1.53274	%	1.53274	%	10/01-10/31	37,438.53	-	-	-	-	37,438.53	-	-	37,438.53
Total								586,140.98	-	-	-	-	586,140.98	-	-	586,140.98

Grand Total								2,947,305.74	-	-	13,642.65	-	2,934,714.82	-	-	2,934,714.82


Reports Available at sf.citidirect.com	v. 21.09.28	Page 4 of 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

DISTRIBUTION INFORMATION - INTEREST SHORTFALL DETAIL

November 17, 2025


											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	-	-	-	278,436.13	1,051.73	12,590.92	-	292,078.78	-	-	-	-	-
S	-	-	-	-	-	-	-	-	-	-	-	-	-
R	-	-	-	-	-	-	-	-	-	-	-	-	-
Total	-	-	-	278,436.13	1,051.73	12,590.92	-	292,078.78	-	-	-	-	-
Notional
X-A	-	-	-	-	-	-	-	-	-	-	-	-	-
X-B	-	-	-	-	-	-	-	-	-	-	-	-	-
X-D	-	-	-	-	-	-	-	-	-	-	-	-	-
Total	-	-	-	-	-	-	-	-	-	-	-	-	-

Grand Total	-	-	-	278,436.13	1,051.73	12,590.92	-	292,078.78	-	-	-	-	-


Reports Available at sf.citidirect.com	v. 21.09.28	Page 5 of 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

DISTRIBUTION INFORMATION - PRINCIPAL DETAIL

November 17, 2025


					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	%	37.60	%
A-2	-	-	-	-	-	-	-	10.63	%	0.00	%	30.00	%	37.60	%
A-3	199,739,590.64	-	-	-	-	199,739,590.64	-	24.56	%	25.62	%	30.00	%	37.60	%
A-4	271,691,000.00	-	-	-	-	271,691,000.00	-	27.81	%	34.85	%	30.00	%	37.60	%
A-AB	15,721,246.97	733,904.86	-	-	-	14,987,342.11	-	4.16	%	1.92	%	30.00	%	37.60	%
A-S	73,280,000.00	-	-	-	-	73,280,000.00	-	7.50	%	9.40	%	22.50	%	28.20	%
B	45,189,000.00	-	-	-	-	45,189,000.00	-	4.62	%	5.80	%	17.88	%	22.40	%
C	40,304,000.00	-	-	-	-	40,304,000.00	-	4.13	%	5.17	%	13.75	%	17.23	%
D	29,311,000.00	-	-	-	-	29,311,000.00	-	3.00	%	3.76	%	10.75	%	13.47	%
E-RR	21,984,000.00	-	-	-	-	21,984,000.00	-	2.25	%	2.82	%	8.50	%	10.65	%
F-RR	12,214,000.00	-	-	-	-	12,214,000.00	-	1.25	%	1.57	%	7.25	%	9.09	%
G-RR	12,213,000.00	-	-	-	-	12,213,000.00	-	1.25	%	1.57	%	6.00	%	7.52	%
H-RR	9,770,000.00	-	-	-	-	9,770,000.00	-	1.00	%	1.25	%	5.00	%	6.27	%
J-RR	48,853,893.00	-	-	-	-	48,853,893.00	-	5.00	%	6.27	%	0.00	%	0.00	%
S	-	-	-	-	-	-	-	0.00	%	0.00	%	0.00	%	0.00	%
R	-	-	-	-	-	-	-	0.00	%	0.00	%	0.00	%	0.00	%

Total	780,270,730.61	733,904.86	-	-	-	779,536,825.75	-	100.00	%	100.00	%


Reports Available at sf.citidirect.com	v. 21.09.28	Page 6 of 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

RECONCILIATION DETAIL

November 17, 2025


SOURCE OF FUNDS				ALLOCATION OF FUNDS

Interest Funds Available				Scheduled Fees
Scheduled Interest	2,962,297.60			Servicing Fee	9,003.12
Gross Prepayment Interest Shortfall	-			Trustee/Certificate Administrator Fee	4,300.20
Interest Adjustments	-			Operating Advisor Fee	1,177.95
ASER Amount	(9,349.59	)		Asset Representations Reviewer Ongoing Fee	174.70
Realized Loss in Excess of Principal Balance	-			CREFC Intellectual Property Royalty License Fee	335.97
Total Interest Funds Available			2,952,948.01	Total Scheduled Fees			14,991.94
Principal Funds Available				Additional Fees, Expenses, etc.
Scheduled Principal	733,904.86			Additional Servicing Fee	-
Curtailments	-			Special Servicing Fee	3,500.00
Unscheduled Principal Collections	-			Work-out Fee	-
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	(258.75	)
				Borrower Reimbursable Trust Fund Expenses	-
Total Principal Funds Available			733,904.86
				Other Expenses	-
Other Funds Available
Yield Maintenance Charges	-			Total Additional Fees, Expenses, etc.			3,241.25
Withdrawal of Withheld Amounts from the Interest Reserve				Distributions
Account	-
				Interest Distribution	2,934,714.82
Deposit of Withheld Amounts to the Interest Reserve Account	-
				Principal Distribution	733,904.86
Total Other Funds Available			-	Yield Maintenance Charge Distribution	-
				Total Distributions			3,668,619.68




Total Funds Available			3,686,852.87
				Total Funds Allocated			3,686,852.87


Reports Available at sf.citidirect.com	v. 21.09.28	Page 7 of 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

OTHER INFORMATION

Interest Reserve Account Information

November 17, 2025


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	79.783935	%
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 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

STRATIFICATION DETAIL

November 17, 2025


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	752,971,716.28	96.59	4.3867	21	1.778741
61 to 90 Months	3	26,565,110.23	3.41	5.0333	71	1.270894
91 Months or Greater	0	0.00	0.00	0.0000	0	0.000000
Total	48	779,536,826.51	100.00	4.4087	23	1.761434

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	10	191,618,904.48	24.58	4.6754	24	0.784321
1.251 to 1.500	6	68,367,805.45	8.77	4.5272	22	1.369722
1.501 to 1.750	11	208,355,340.74	26.73	4.4853	22	1.683531
1.751 to 2.000	7	71,049,069.72	9.11	4.6565	27	1.887642
2.001 to 2.250	0	0.00	0.00	0.0000	0	0.000000
2.251 to 2.500	7	110,199,135.95	14.14	4.1013	22	2.419833
2.501 to 2.750	2	50,069,156.48	6.42	4.2022	20	2.714953
2.751 to 3.000	1	41,000,000.00	5.26	3.9950	22	2.770000
3.001 to 3.250	2	27,794,545.10	3.57	3.4244	19	3.043071
3.251 to 3.500	1	3,982,868.59	0.51	3.8900	22	3.460000
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	0.91	4.1000	22	4.190000
Total	48	779,536,826.51	100.00	4.4087	23	1.761434


Reports Available at sf.citidirect.com	v. 21.09.28	Page 9 of 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

STRATIFICATION DETAIL

November 17, 2025


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	32,396,519.39	4.16	4.7989	23	2.110534
10,000,001 to 15,000,000	3	39,223,793.74	5.03	4.5840	21	1.455799
15,000,001 to 20,000,000	4	70,751,158.61	9.08	4.6662	32	1.499408
20,000,001 to 25,000,000	7	163,759,561.81	21.01	4.2989	21	1.947619
25,000,001 to 30,000,000	2	51,914,281.88	6.66	4.3516	22	1.364866
30,000,001 to 35,000,000	3	99,427,030.87	12.75	4.5726	19	0.863755
35,000,001 to 40,000,000	2	75,450,076.63	9.68	4.1001	21	2.224297
40,000,001 to 45,000,000	1	41,000,000.00	5.26	3.9950	22	2.770000
45,000,001 to 50,000,000	1	50,000,000.00	6.41	3.6000	24	2.450000
5,000,001 to 10,000,000	13	95,614,403.58	12.27	4.8521	26	1.673083
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	7.70	4.4953	22	1.700000
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	779,536,826.51	100.00	4.4087	23	1.761434


Reports Available at sf.citidirect.com	v. 21.09.28	Page 10 of 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

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November 17, 2025


Loan Rate

	Asset	Ending Scheduled	% of			Wtd Avg
Loan Rate Range	Count	Balance	Agg.Bal. WAC WAM			DSCR

4.00 or Less	5	145,244,649.31	18.63	3.7260	21	2.480018
4.01 to 4.25	4	117,550,076.63	15.08	4.1149	21	1.927880
4.26 to 4.50	9	205,545,381.32	26.37	4.4201	21	1.632029
4.51 to 4.75	13	188,934,696.70	24.24	4.6381	21	1.647172
4.76 to 5.00	5	15,537,123.41	1.99	4.9316	21	1.803348
5.01 to 5.25	10	94,670,286.93	12.14	5.1131	33	1.034050
5.26 to 5.50	1	2,079,735.90	0.27	5.2850	21	2.460000
5.51 to 5.75	1	9,974,876.31	1.28	5.5470	21	0.860000
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	779,536,826.51	100.00	4.4087	23	1.761434

Property Type

	Asset	Ending Scheduled	% of			Wtd Avg
Property Type Range	Count	Balance	Agg.Bal. WAC WAM			DSCR

Industrial	1	7,100,000.00	0.91	4.1000	22	4.190000
Lodging	7	123,601,286.89	15.86	4.7117	19	1.582109
Mixed Use	8	158,050,954.00	20.27	4.3001	20	2.034842
Multifamily	3	44,554,735.90	5.72	4.7458	21	1.652662
Office	9	221,460,001.18	28.41	4.1932	24	1.503335
Other	1	6,000,000.00	0.77	5.2500	19	1.690000
Retail	14	184,062,353.66	23.61	4.3851	26	1.829482
Self Storage	1	5,159,403.96	0.66	4.9150	22	1.220000
Total	48	779,536,826.51	100.00	4.4087	23	1.761434


Reports Available at sf.citidirect.com	v. 21.09.28	Page 11 of 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

STRATIFICATION DETAIL

November 17, 2025


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	428,425,778.59	54.96	4.3172	23	1.872384
241 to 270 Months	25	351,111,047.92	45.04	4.5203	23	1.626054
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	779,536,826.51	100.00	4.4087	23	1.761434

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	83	1.280000
49 Months or Greater	47	778,556,826.51	99.87	4.4079	23	1.762040
Total	48	779,536,826.51	100.00	4.4087	23	1.761434


Reports Available at sf.citidirect.com	v. 21.09.28	Page 12 of 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

STRATIFICATION DETAIL

November 17, 2025


State

	Asset	Ending Scheduled	% of			Wtd Avg
State Range	Count	Balance	Agg.Bal. WAC WAM			DSCR

California	9	153,630,437.99	19.71	4.6451	20	1.455049
Colorado	3	22,124,133.50	2.84	4.6705	21	2.433453
Connecticut	1	2,079,735.90	0.27	5.2850	21	2.460000
Delaware	0	0.00	0.00	0.0000	0	0.000000
District of Columbia	1	50,000,000.00	6.41	3.6000	24	2.450000
Florida	2	30,935,000.00	3.97	4.6507	37	1.774962
Georgia	6	28,609,480.25	3.67	4.8247	21	1.852769
Illinois	0	0.00	0.00	0.0000	0	0.000000
Iowa	1	980,000.00	0.13	5.0600	83	1.280000
Kentucky	1	37,670,362.74	4.83	4.0400	20	2.710000
Louisiana	1	25,261,780.72	3.24	3.9840	21	1.370000
Maryland	0	0.00	0.00	0.0000	0	0.000000
Massachusetts	3	92,475,000.00	11.86	4.5397	22	1.811492
Michigan	1	3,282,830.44	0.42	4.9800	21	1.600000
Missouri	1	6,000,000.00	0.77	5.2500	19	1.690000
Nevada	1	23,583,615.84	3.03	4.2591	20	2.480000
New York	2	60,000,000.00	7.70	3.7750	20	1.746667
North Carolina	1	8,575,932.42	1.10	4.5340	21	1.870000
Ohio	1	2,725,171.44	0.35	5.1500	22	1.470000
Pennsylvania	1	26,652,501.16	3.42	4.7000	23	1.360000
South Carolina	1	5,762,098.36	0.74	4.6400	22	1.680000
Texas	0	0.00	0.00	0.0000	0	0.000000
Utah	1	5,159,403.96	0.66	4.9150	22	1.220000
Various	6	118,590,038.47	15.21	4.5892	28	1.151812
Virginia	1	24,000,000.00	3.08	4.5110	21	1.980000
Washington	1	6,456,434.73	0.83	5.0250	23	-1.190000
West Virginia	1	3,982,868.59	0.51	3.8900	22	3.460000
Wisconsin	1	41,000,000.00	5.26	3.9950	22	2.770000
Total	48	779,536,826.51	100.00	4.4087	23	1.761434


Reports Available at sf.citidirect.com	v. 21.09.28	Page 13 of 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

MORTGAGE LOAN DETAIL

November 17, 2025


			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	11/06/2025	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	11/01/2025	3.98400	%	86,824.60	46,593.53	25,308,374.25	25,261,780.72	08/01/2027	0		0		0
30313292	11		RT	Langhorne	PA	11/06/2025	4.70000	%	108,019.15	37,199.44	26,689,700.60	26,652,501.16	10/06/2027	0		0		0
30313293	12		RT	Various	XX	11/06/2025	4.40000	%	84,114.27	64,432.09	22,200,246.84	22,135,814.75	09/06/2027	0		0		0
30313294	13		OF	La Jolla	CA	11/03/2025	4.55000	%	90,421.45	38,013.00	23,078,144.22	23,040,131.22	10/06/2027	0		0		0
30313295	14		MU	Windsor Mill	NV	11/06/2025	4.25906	%	86,627.30	36,490.31	23,620,106.15	23,583,615.84	07/06/2027	0		0		0
30313296	15		MU	New York	NY	11/06/2025	3.25000	%	69,965.28	-	25,000,000.00	25,000,000.00	06/06/2027	0		0		0
30313340	16		MF	Various	XX	11/06/2025	4.71200	%	101,438.89	-	25,000,000.00	25,000,000.00	09/06/2027	0		0		0
30313300	17		LO	Arlington	VA	11/06/2025	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	11/06/2025	4.49530	%	58,064.29	-	15,000,000.00	15,000,000.00	09/06/2027	0		0		0
30313231	2		OF	Washington	DC	11/01/2025	3.60000	%	155,000.00	-	50,000,000.00	50,000,000.00	11/01/2027	0		0		0
30313251	20		OF	Various	XX	11/06/2025	4.26400	%	66,698.92	39,244.44	18,165,292.82	18,126,048.38	08/06/2027	0		0		0
30313304	21		RT	Miami	FL	11/06/2025	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	11/06/2025	4.68300	%	78,635.38	-	19,500,000.00	19,500,000.00	07/06/2027	0		0		0
30313306	23		MF	Methuen	MA	11/06/2025	4.73000	%	71,176.65	-	17,475,000.00	17,475,000.00	09/06/2027	0		0		0
30313248	24		RT	Various	XX	11/08/2025	5.04000	%	68,004.32	19,087.61	15,669,197.84	15,650,110.23	09/08/2031	0		0		0
30313310	27		MH	Parachute	CO	11/06/2025	4.69500	%	50,208.78	20,155.51	12,418,949.25	12,398,793.74	08/06/2027	0		0		0
30313311	28		LO	Los Angeles	CA	11/06/2025	5.54700	%	47,778.58	27,791.36	10,002,667.67	9,974,876.31	08/06/2027	0		0		8
30313312	29		OF	San Jose	CA	11/06/2025	4.58000	%	46,636.49	-	11,825,000.00	11,825,000.00	10/06/2027	0		8		0
30313313	30		OF	Jacksonville	FL	11/06/2025	5.02000	%	42,946.80	-	9,935,000.00	9,935,000.00	10/06/2031	0		0		0
30313315	32		RT	Greensboro	NC	11/06/2025	4.53400	%	33,542.93	15,394.73	8,591,327.15	8,575,932.42	08/06/2027	0		0		0
30313316	33		LO	Brunswick	GA	06/06/2025	5.24000	%	37,434.06	15,242.26	8,296,147.98	8,280,905.72	09/06/2027	3		13		8
30298889	34		RT	Peach Tree	GA	11/06/2025	4.28000	%	31,382.51	-	8,515,000.00	8,515,000.00	09/06/2027	0		0		0
30313317	35		MH	Various	XX	11/06/2025	5.15000	%	32,975.51	11,798.64	7,435,756.06	7,423,957.42	10/06/2027	0		0		0
30313318	36		MH	Fort Collins	CO	11/06/2025	4.50000	%	26,912.56	14,382.29	6,945,176.95	6,930,794.66	09/06/2027	0		0		0
30313319	37		LO	Sequim	WA	09/06/2025	5.02500	%	28,019.16	18,864.64	6,475,299.37	6,456,434.73	10/06/2027	1		8		8
30313321	39		IN	San Diego	CA	11/06/2025	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	11/01/2025	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	11/06/2025	4.64000	%	23,069.51	11,695.53	5,773,793.89	5,762,098.36	09/06/2027	0		0		0
30313323	41		N/A	St. Louis	MO	11/06/2025	5.25000	%	27,125.00	-	6,000,000.00	6,000,000.00	06/06/2027	0		0		0
30313324	42		SS	Provo	UT	11/06/2025	4.91500	%	21,878.87	10,019.46	5,169,423.42	5,159,403.96	09/06/2027	0		0		0
30313325	43		OF	Venice	CA	11/06/2025	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 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

MORTGAGE LOAN DETAIL

November 17, 2025


		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	11/06/2025	3.89000	%	13,388.42	14,005.14	3,996,873.73	3,982,868.59	09/06/2027	0		0		0
30313327	45	MU	Cartersville	GA	11/06/2025	4.75000	%	18,310.22	9,076.27	4,476,522.68	4,467,446.41	06/06/2027	0		0		0
30313328	46	MU	Temecula	CA	11/06/2025	4.54100	%	18,553.21	6,903.01	4,744,696.40	4,737,793.39	08/06/2027	0		0		0
30313330	48	LO	Richmond Hill	GA	11/06/2025	5.25000	%	13,808.65	8,663.14	3,054,447.35	3,045,784.21	10/06/2027	0		0		0
30313331	49	RT	Grand Rapids	MI	11/06/2025	4.98000	%	14,101.23	5,448.17	3,288,278.61	3,282,830.44	08/06/2027	0		0		0
30313284	5	OF	San Jose	CA	11/06/2025	4.16000	%	135,545.40	58,642.07	37,838,355.96	37,779,713.89	10/06/2027	0		0		0
30313333	51	MH	Arvada	CO	11/06/2025	4.98500	%	12,019.14	5,397.78	2,799,942.88	2,794,545.10	08/06/2027	0		0		0
30313335	53	RT	Willoughby	OH	11/06/2025	5.15000	%	12,107.96	5,091.87	2,730,263.31	2,725,171.44	09/06/2027	0		0		0
30313336	54	RT	Duluth	GA	11/06/2025	4.95000	%	10,311.03	3,566.99	2,419,010.81	2,415,443.82	10/06/2027	0		0		0
30313337	55	MF	Hartford	CT	11/06/2025	5.28500	%	9,482.22	3,822.74	2,083,558.64	2,079,735.90	08/06/2027	0		0		0
30313338	56	RT	Dacula	GA	11/06/2025	4.79000	%	7,787.96	3,217.32	1,888,117.41	1,884,900.09	09/06/2027	0		0		0
30313339	57	RT	Milford	IA	11/06/2025	5.06000	%	4,270.08	-	980,000.00	980,000.00	10/06/2032	0		0		0
30313285	6	LO	Los Angeles	CA	11/06/2025	5.11400	%	150,781.98	66,742.16	34,239,665.34	34,172,923.18	03/06/2027	0		8		8
30313288	7	LO	Louisville	KY	11/06/2025	4.04000	%	131,237.64	53,648.08	37,724,010.82	37,670,362.74	07/06/2027	0		0		0
30313289	8	OF	Various	XX	11/06/2025	4.45000	%	116,174.53	63,275.28	30,317,382.97	30,254,107.69	09/06/2027	0		0		0
30313290	9	OF	New York	NY	11/06/2025	4.15000	%	125,076.39	-	35,000,000.00	35,000,000.00	09/06/2027	0		0		8
Total	Count = 48							2,962,297.60	733,904.86	780,270,731.37	779,536,826.51


Reports Available at sf.citidirect.com	v. 21.09.28	Page 15 of 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

NOI DETAIL

November 17, 2025


			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	5,367,061.12		6,285,425.43		01/01/2025	06/30/2025
30313291	10		RT	Baton Rouge	LA	25,261,780.72	28,201,020.00		27,135,752.44		01/01/2025	06/30/2025
30313292	11		RT	Langhorne	PA	26,652,501.16	2,463,193.41		2,512,941.33		01/01/2025	06/30/2025
30313293	12		RT	Various	XX	22,135,814.75	3,074,102.21		2,911,660.45		01/01/2025	09/30/2025
30313294	13		OF	La Jolla	CA	23,040,131.22	2,424,374.21		2,597,222.83		01/01/2025	09/30/2025
30313295	14		MU	Windsor Mill	NV	23,583,615.84	12,679,152.27		12,658,534.92		Not Available	Not Available
30313296	15		MU	New York	NY	25,000,000.00	2,389,974.30		2,510,650.84		01/01/2025	06/30/2025
30313340	16		MF	Various	XX	25,000,000.00	4,117,670.07		4,117,670.07		Not Available	Not Available
30313300	17		LO	Arlington	VA	24,000,000.00	5,759,627.41		1,242,235.53		01/01/2025	03/31/2025
30313281	1	A	MU	Boston	MA	15,000,000.00	5,367,061.12		6,285,425.43		01/01/2025	06/30/2025
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	18,126,048.38	4,485,209.37		3,663,050.41		01/01/2025	06/30/2025
30313304	21		RT	Miami	FL	21,000,000.00	1,662,193.91		1,655,625.18		01/01/2025	09/30/2025
30313305	22		MU	Los Angeles	CA	19,500,000.00	1,615,323.79		2,288,130.95		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	15,650,110.23	2,723,483.31		693,143.95		01/01/2025	03/31/2025
30313310	27		MH	Parachute	CO	12,398,793.74	2,084,178.74		2,342,337.06		Not Available	Not Available
30313311	28		LO	Los Angeles	CA	9,974,876.31	1,200,163.07		995,410.80		07/01/2024	06/30/2025
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	2,913,704.40		2,913,705.40		01/01/2025	06/30/2025
30313315	32		RT	Greensboro	NC	8,575,932.42	1,003,282.95		1,221,317.80		Not Available	Not Available
30313316	33		LO	Brunswick	GA	8,280,905.72	615,526.19		1,009,599.42		Not Available	Not Available
30298889	34		RT	Peach Tree	GA	8,515,000.00	886,994.04		893,769.76		01/01/2025	09/30/2025
30313317	35		MH	Various	XX	7,423,957.42	829,413.99		933,262.01		Not Available	Not Available
30313318	36		MH	Fort Collins	CO	6,930,794.66	650,410.14		807,555.45		Not Available	Not Available
30313319	37		LO	Sequim	WA	6,456,434.73	1,083,177.03		(151,793.18	)	01/01/2025	03/31/2025
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	16,835,063.77		16,897,217.48		01/01/2025	06/30/2025
30313322	40		MU	West Columbia	SC	5,762,098.36	815,392.94		796,594.41		01/01/2025	09/30/2025
30313323	41		N/A	St. Louis	MO	6,000,000.00	593,552.52		1,092,702.00		01/01/2025	06/30/2025
30313324	42		SS	Provo	UT	5,159,403.96	461,945.25		475,802.42		01/01/2025	06/30/2025
30313325	43		OF	Venice	CA	5,500,000.00	564,747.46		605,961.65		01/01/2025	09/30/2025
Reports Available at sf.citidirect.com			v. 21.09.28			Page 16 of 44					© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

NOI DETAIL

November 17, 2025


		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

30313326	44	RT	Parkersburg	WV	3,982,868.59	1,166,161.94	1,241,199.75	07/01/2024	06/30/2025
30313327	45	MU	Cartersville	GA	4,467,446.41	632,928.96	505,873.10	Not Available	Not Available
30313328	46	MU	Temecula	CA	4,737,793.39	780,081.98	661,263.86	07/01/2024	12/31/2024
30313330	48	LO	Richmond Hill	GA	3,045,784.21	635,325.98	739,485.74	01/01/2025	06/30/2025
30313331	49	RT	Grand Rapids	MI	3,282,830.44	399,530.64	535,354.39	Not Available	Not Available
30313284	5	OF	San Jose	CA	37,779,713.89	4,834,863.79	4,095,291.60	01/01/2025	06/30/2025
30313333	51	MH	Arvada	CO	2,794,545.10	627,808.03	664,001.10	01/01/2025	06/30/2025
30313335	53	RT	Willoughby	OH	2,725,171.44	286,479.31	318,580.71	01/01/2025	09/30/2025
30313336	54	RT	Duluth	GA	2,415,443.82	330,190.68	330,190.68	Not Available	Not Available
30313337	55	MF	Hartford	CT	2,079,735.90	429,256.84	420,339.14	Not Available	Not Available
30313338	56	RT	Dacula	GA	1,884,900.09	235,924.81	243,761.16	01/01/2025	09/30/2025
30313339	57	RT	Milford	IA	980,000.00	68,482.88	65,521.88	01/01/2025	09/30/2025
30313285	6	LO	Los Angeles	CA	34,172,923.18	13,539,265.09	11,031,420.41	01/01/2025	09/30/2025
30313288	7	LO	Louisville	KY	37,670,362.74	5,970,019.73	7,255,118.12	01/01/2025	06/30/2025
30313289	8	OF	Various	XX	30,254,107.69	16,316,267.32	4,047,825.61	01/01/2025	03/31/2025
30313290	9	OF	New York	NY	35,000,000.00	2,790,005.88	2,875,753.16	01/01/2025	06/30/2025
Total	Count = 48				779,536,826.51	190,231,143.75	164,385,420.91


Reports Available at sf.citidirect.com	v. 21.09.28	Page 17 of 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

DELINQUENCY LOAN DETAIL

November 17, 2025

Actual

Paid

Current P&I

Total P&I

Cumulative

Other Expense

Payment Workout

Most Recent

Principal

Through

Advances

Accrued Unpaid

Advances

Status

Strategy

Special Serv

Foreclosure

Bankruptcy

REO

Loan ID

OMCR

Balance

Date

(Net of ASER)

Outstanding

Interest Advances

Outstanding

)

Transfer Date

Date

30313316

8,358,834.95

06/06/2025

43,291.01

253,855.04

5,775.51

12,000.00

09/10/2025

30313319

6,494,985.42

09/06/2025

46,855.92

835,209.67

598,881.21

1,084,540.00

05/27/2020

09/18/2020

Total

Count = 2

14,853,820.37

90,146.93

1,089,064.71

604,656.72

1,096,540.00


Reports Available at sf.citidirect.com	v. 21.09.28	Page 18 of 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

COLLATERAL PERFORMANCE - DELINQUENCY AND LOAN STATUS DETAIL

–

November 17, 2025


							Delinquent
					(Does not include loans in Bankruptcy, Foreclosure, or REO)

			30	Day			60	Day			90	Day	120			+ Day	Bankruptcy				Foreclosure						REO

Distribution

Date	Count		Balance		Count		Balance		Count		Balance		Count		Balance		Count		Balance		Count		Balance		Count			Balance


	1		6,456,435		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	%

	2		18,474,421		0		0		0		0		0		0		0		0		0		0		0			0
06/13/2025
	4.2	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%		0.0	%

	0		0		0		0		0		0		0		0		0		0		0		0		0			0
05/14/2025
	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	%		0.0	%

	1		10,171,262		0		0		0		0		0		0		0		0		0		0		0			0
04/14/2025
	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	%

	0		0		0		0		0		0		0		0		0		0		0		0		0			0
03/14/2025
	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	%		0.0	%

	1		6,628,762		0		0		0		0		0		0		0		0		0		0		0			0
02/14/2025
	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	%

	2		16,903,021		0		0		0		0		0		0		0		0		0		0		0			0
01/15/2025
	4.2	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%		0.0	%

	3		25,399,533		0		0		0		0		0		0		0		0		0		0		0			0
12/13/2024
	6.3	%	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 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

APPRAISAL REDUCTION DETAIL

November 17, 2025


			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	8,296,147.98	8,280,905.72	2,074,037.00	11/10/2025	9,349.59	9,349.59
30313319	37	Holiday Inn Express & Suites	6,475,299.37	6,456,434.73	-	05/08/2023	-	8,137.04
Total	Count = 2		14,771,447.35	14,737,340.45	2,074,037.00		9,349.59	17,486.63


Reports Available at sf.citidirect.com	v. 21.09.28	Page 20 of 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

HISTORICAL APPRAISAL REDUCTION DETAIL

November 17, 2025


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

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
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


Reports Available at sf.citidirect.com	v. 21.09.28	Page 21 of 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

HISTORICAL APPRAISAL REDUCTION DETAIL

November 17, 2025


Distribution				Beginning	Ending	Appraisal	Appraisal	Most Recent	Cumulative
Date	Loan ID	OMCR	Property Name	Scheduled Balance Scheduled Balance Reduction Amount Reduction Date				ASER Amount	ASER Amount

3/14/2023	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
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


Reports Available at sf.citidirect.com	v. 21.09.28	Page 22 of 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

HISTORICAL APPRAISAL REDUCTION DETAIL

November 17, 2025


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

9/14/2020	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 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

LOAN MODIFICATION DETAIL

November 17, 2025


				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 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

HISTORICAL LOAN MODIFICATION DETAIL

November 17, 2025


Distribution				Modification	Modification
Date	Loan ID	OMCR	Property Name	Date	Code (4)

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
05/14/2025	30313316	33	Courtyard Brunswick	09/30/2020	8


05/14/2025	30313319		37	Holiday Inn Express & Suites		12/22/2022	8
Reports Available at sf.citidirect.com		v. 21.09.28			Page 25 of 44		© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

HISTORICAL LOAN MODIFICATION DETAIL

November 17, 2025


Distribution				Modification	Modification
Date	Loan ID	OMCR	Property Name	Date	Code (4)

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
11/15/2024	30313290	9	50 Varick	05/06/2020	8
10/15/2024	30313311	28	Hotel Normandie	10/06/2020	8


Reports Available at sf.citidirect.com	v. 21.09.28	Page 26 of 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

HISTORICAL LOAN MODIFICATION DETAIL

November 17, 2025


Distribution				Modification	Modification
Date	Loan ID	OMCR	Property Name	Date	Code (4)

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
04/12/2024	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
04/12/2024	30313285	6	Marriott Lax	02/25/2022	8


Reports Available at sf.citidirect.com	v. 21.09.28	Page 27 of 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

HISTORICAL LOAN MODIFICATION DETAIL

November 17, 2025


Distribution				Modification	Modification
Date	Loan ID	OMCR	Property Name	Date	Code (4)

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
09/14/2023	30313311	28	Hotel Normandie	10/06/2020	8
09/14/2023	30313316	33	Courtyard Brunswick	09/30/2020	8


Reports Available at sf.citidirect.com	v. 21.09.28	Page 28 of 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

HISTORICAL LOAN MODIFICATION DETAIL

November 17, 2025


Distribution				Modification	Modification
Date	Loan ID	OMCR	Property Name	Date	Code (4)

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
02/14/2023	30313311	28	Hotel Normandie	10/06/2020	8
02/14/2023	30313316	33	Courtyard Brunswick	09/30/2020	8


Reports Available at sf.citidirect.com	v. 21.09.28	Page 29 of 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

HISTORICAL LOAN MODIFICATION DETAIL

November 17, 2025


Distribution				Modification	Modification
Date	Loan ID	OMCR	Property Name	Date	Code (4)

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
07/14/2022	30313290	9	50 Varick	05/06/2020	8
06/14/2022	30313311	28	Hotel Normandie	10/06/2020	8


Reports Available at sf.citidirect.com	v. 21.09.28	Page 30 of 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

HISTORICAL LOAN MODIFICATION DETAIL

November 17, 2025


Distribution				Modification	Modification
Date	Loan ID	OMCR	Property Name	Date	Code (4)

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
11/15/2021	30313316	33	Courtyard Brunswick	09/30/2020	8
11/15/2021	30313290	9	50 Varick	05/06/2020	8


Reports Available at sf.citidirect.com	v. 21.09.28	Page 31 of 44	© Copyright 2025 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

HISTORICAL LOAN MODIFICATION DETAIL

November 17, 2025

Modification

Code (4)


Distribution				Modification
Date	Loan ID	OMCR	Property Name	Date

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
01/14/2021	30313282	3	Godfrey Hotel	05/06/2020	8
01/14/2021	30313290	9	50 Varick	05/06/2020	8


Reports Available at sf.citidirect.com	v. 21.09.28	Page 32 of 44	© Copyright 2025 Citigroup


Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4						November 17, 2025

HISTORICAL LOAN MODIFICATION DETAIL


Distribution					Modification	Modification
Date	Loan ID		OMCR	Property Name	Date	Code (4)

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 33 of 44		© Copyright 2025 Citigroup


Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4								November 17, 2025
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	8,280,905.72	8,358,834.95	16,400,000.00	05/25/2017	09/10/2025




Reports Available at sf.citidirect.com		v. 21.09.28		Page 34 of 44				© Copyright 2025 Citigroup


Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4										November 17, 2025

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 35 of 44				© Copyright 2025 Citigroup


Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4										November 17, 2025

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
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
Reports Available at sf.citidirect.com			v. 21.09.28			Page 36 of 44				© Copyright 2025 Citigroup


Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4									November 17, 2025

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

12/14/2023	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
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
Reports Available at sf.citidirect.com			v. 21.09.28		Page 37 of 44				© Copyright 2025 Citigroup


Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4									November 17, 2025

HISTORICAL SPECIALLY SERVICED LOANS


				Special Servicing	Ending	Ending	Most	Most Recent	Most Recent	Most Recent
Distribution			Workout	Fee Amount	Scheduled	Actual	Recent	Valuation	Special Servicer	Master Servicer
Date	Loan ID	OMCR	Strategy (3)	Plus Adjustments	Balance	Balance	Value	Date	Transfer Date	Return Date

04/14/2021	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 38 of 44				© Copyright 2025 Citigroup


Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4							November 17, 2025
UNSCHEDULED PRINCIPAL DETAIL


		Liquidation /	Liquid / Prepay	Principal	Principal	Prepayment Interest	Prepayment	Yield Maintenance
Loan ID	OMCR	Prepayment Date	Code (5)	Collections	Adjustments	Excess / (Shortfall)	Penalties (PPP)	Penalties (YM)
No Loans with Unscheduled Principal Activity to Report.




Reports Available at sf.citidirect.com v. 21.09.28				Page 39 of 44			© Copyright 2025 Citigroup


Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4								November 17, 2025

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)

4/14/2025	30313326	44	04/06/2025	1	95,990.50	-

CITIGROUP COMMERCIAL MORTGAGE TRUST 2017-C4 10-D