Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

STATEMENT TO NOTEHOLDERS

January 14, 2026


TRANSACTION PARTIES


Depositor:	Citigroup Commercial Mortgage Securities Inc.
Master Servicer:	Midland Loan Services, a Division of PNC Bank N.A.
Certificate Administrator:	Citibank, N.A.
Trustee:	Wilmington Trust, National Association
Special Servicer:	Midland Loan Services, a Division of PNC Bank N.A.
Asset Representations Reviewer /
	Park Bridge Lender Services LLC
Operating Advisor:




	Danny Lee	Citibank, Agency and Trust
	(212) 816-4936	388 Greenwich Street Trading, 4th Floor
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 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

DISTRIBUTION SUMMARY

January 14, 2026


											Accretion
											&
											Non-Cash
					Accrual		Other				Balance
	Original	Prior	Pass-Through		Day	Interest	(As Interest)	Principal	Total	Realized Loss	Increase/		Current
Class	Balance	Balance	Rate		Count	Distributed	Distributed	Distributed	Distributed	/(Recovery)	(Decrease)		Balance

A-1	27,750,000.00	-	2.121000	%	30/360	-	-	-	-	-	-		-
A-2	103,900,000.00	-	3.190000	%	30/360	-	-	-	-	-	-		-
A-3	240,000,000.00	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	14,200,447.79	3.297000	%	30/360	39,015.73	-	739,883.05	778,898.78	-	-		13,460,564.74
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	4.136220	%	30/360	138,921.83	-	-	138,921.83	-	-		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	4.386220	%	30/360	80,355.54	-	-	80,355.54	-	-		21,984,000.00
F-RR	12,214,000.00	12,214,000.00	4.386220	%	30/360	44,644.40	-	-	44,644.40	-	-		12,214,000.00
G-RR	12,213,000.00	12,213,000.00	4.386220	%	30/360	44,640.75	-	-	44,640.75	-	-		12,213,000.00
H-RR	9,770,000.00	9,770,000.00	4.386220	%	30/360	35,711.14	-	-	35,711.14	-	-		9,770,000.00
J-RR	48,853,893.00	48,853,893.00	4.386220	%	30/360	164,880.23	-	-	164,880.23	-	-		48,853,893.00
S	-	-	0.000000	%	30/360	-	-	-	-	-	-		-
R	-	-	0.000000	%	30/360	-	-	-	-	-	-		-
Total	977,059,893.00	778,749,931.43				2,325,550.35	-	739,883.05	3,065,433.40	-	-		778,010,048.38
Notional
X-A	757,221,000.00	558,911,038.43	0.974856	%	30/360	454,048.26	-	-	454,048.26	-	(739,883.05	)	558,171,155.38
X-B	85,493,000.00	85,493,000.00	0.271259	%	30/360	19,325.61	-	-	19,325.61	-	-		85,493,000.00
X-D	29,311,000.00	29,311,000.00	1.386220	%	30/360	33,859.57	-	-	33,859.57	-	-		29,311,000.00
Total	872,025,000.00	673,715,038.43				507,233.44	-	-	507,233.44	-	(739,883.05	)	672,975,155.38

Grand Total	1,849,084,893	1,452,464,970				2,832,783.79	-	739,883.05	3,572,666.84	-	(739,883.05	)	1,450,985,204


Reports Available at sf.citidirect.com	v. 21.09.28	Page 2 of 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

DISTRIBUTION SUMMARY - FACTORS

January 14, 2026


									Accretion
									&
									Non-Cash
					Other				Balance
			Record	Interest	(As Interest)	Principal	Total	Realized Loss	Increase/	Current
Class	CUSIP		Date	Distributed	Distributed	Distributed	Distributed	/(Recovery)	(Decrease)	Balance

A-1	17326	FAA5	12/31/2025	-	-	-	-	-	-	-
A-2	17326	FAB3	12/31/2025	-	-	-	-	-	-	-
A-3	17326	FAC1	12/31/2025	2.22557067	-	-	2.22557067	-	-	832.24829433
A-4	17326	FAD9	12/31/2025	2.89250001	-	-	2.89250001	-	-	1,000.00000000
A-AB	17326	FAE7	12/31/2025	0.96097857	-	18.22372044	19.18469901	-	-	331.54100345
A-S	17326	FAH0	12/31/2025	3.13666662	-	-	3.13666662	-	-	1,000.00000000
X-A	17326	FAF4	12/31/2025	0.59962450	-	-	0.59962450	-	-	737.13110886
B	17326	FAJ6	12/31/2025	3.41333333	-	-	3.41333333	-	-	1,000.00000000
C	17326	FAK3	12/31/2025	3.44684969	-	-	3.44684969	-	-	1,000.00000000
X-B	17326	FAG2	12/31/2025	0.22604903	-	-	0.22604903	-	-	1,000.00000000
D	17326FAL1 U1746HAA4		12/31/2025	2.50000000	-	-	2.50000000	-	-	1,000.00000000
X-D	17326FAY3 U1746HAG1		12/31/2025	1.15518304	-	-	1.15518304	-	-	1,000.00000000
E-RR	17326	FAP2	12/31/2025	3.65518286	-	-	3.65518286	-	-	1,000.00000000
F-RR	17326	FAR8	12/31/2025	3.65518258	-	-	3.65518258	-	-	1,000.00000000
G-RR	17326	FAT4	12/31/2025	3.65518300	-	-	3.65518300	-	-	1,000.00000000
H-RR	17326	FAV9	12/31/2025	3.65518321	-	-	3.65518321	-	-	1,000.00000000
J-RR	17326	FAX5	12/31/2025	3.37496604	-	-	3.37496604	-	-	1,000.00000000
S	17326	FBD8	12/31/2025	-	-	-	-	-	-	-
R	17326	FBA4	12/31/2025	-	-	-	-	-	-	-


Reports Available at sf.citidirect.com	v. 21.09.28	Page 3 of 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

DISTRIBUTION INFORMATION - INTEREST DETAIL

January 14, 2026


			Rate					Interest			Shortfall				Paid
															Cap
							Accrual	Net	Accreted	Non	Carry	Cap Carryover			Carryover
Class	Uncapped Capped				Next		Dates	Accrued	/Deferred	Recovered	Forward	/Basis Risk	Accrued	Carry Forward /Basis Risk		Total

A-1	2.12100	%	2.12100	%	2.12100	%	12/01-12/31	-	-	-	-	-	-	-	-	-
A-2	3.19000	%	3.19000	%	3.19000	%	12/01-12/31	-	-	-	-	-	-	-	-	-
A-3	3.20900	%	3.20900	%	3.20900	%	12/01-12/31	534,136.96	-	-	-	-	534,136.96	-	-	534,136.96
A-4	3.47100	%	3.47100	%	3.47100	%	12/01-12/31	785,866.22	-	-	-	-	785,866.22	-	-	785,866.22
A-AB	3.29700	%	3.29700	%	3.29700	%	12/01-12/31	39,015.73	-	-	-	-	39,015.73	-	-	39,015.73
A-S	3.76400	%	3.76400	%	3.76400	%	12/01-12/31	229,854.93	-	-	-	-	229,854.93	-	-	229,854.93
B	4.09600	%	4.09600	%	4.09600	%	12/01-12/31	154,245.12	-	-	-	-	154,245.12	-	-	154,245.12
C	4.34400	%	4.13622	%	4.13622	%	12/01-12/31	138,921.83	-	-	-	-	138,921.83	-	-	138,921.83
D	3.00000	%	3.00000	%	3.00000	%	12/01-12/31	73,277.50	-	-	-	-	73,277.50	-	-	73,277.50
E-RR	4.59400	%	4.38622	%	4.38622	%	12/01-12/31	80,355.54	-	-	-	-	80,355.54	-	-	80,355.54
F-RR	4.59400	%	4.38622	%	4.38622	%	12/01-12/31	44,644.40	-	-	-	-	44,644.40	-	-	44,644.40
G-RR	4.59400	%	4.38622	%	4.38622	%	12/01-12/31	44,640.75	-	-	-	-	44,640.75	-	-	44,640.75
H-RR	4.59400	%	4.38622	%	4.38622	%	12/01-12/31	35,711.14	-	-	-	-	35,711.14	-	-	35,711.14
J-RR	4.59400	%	4.38622	%	4.38622	%	12/01-12/31	178,569.92	-	-	14,775.27	-	164,880.23	-	-	164,880.23
S	0.00000	%	0.00000	%	0.00000	%	12/01-12/31	-	-	-	-	-	-	-	-	-
R	0.00000	%	0.00000	%	0.00000	%	12/01-12/31	-	-	-	-	-	-	-	-	-
Total								2,339,240.04	-	-	14,775.27	-	2,325,550.35	-	-	2,325,550.35
Notional
X-A	1.27500	%	0.97486	%	0.97486	%	12/01-12/31	454,048.26	-	-	-	-	454,048.26	-	-	454,048.26
X-B	0.38100	%	0.27126	%	0.27126	%	12/01-12/31	19,325.61	-	-	-	-	19,325.61	-	-	19,325.61
X-D	1.59400	%	1.38622	%	1.38622	%	12/01-12/31	33,859.57	-	-	-	-	33,859.57	-	-	33,859.57
Total								507,233.44	-	-	-	-	507,233.44	-	-	507,233.44

Grand Total								2,846,473.48	-	-	14,775.27	-	2,832,783.79	-	-	2,832,783.79


Reports Available at sf.citidirect.com	v. 21.09.28	Page 4 of 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

DISTRIBUTION INFORMATION - INTEREST SHORTFALL DETAIL

January 14, 2026


											Cap Carryover /
	Non-Recov Shortfall				Carry Forward Interest					Basis Risk Shortfall
			Other
Class	PPIS	SSRA	Shortfall	Prior	Int. on Prior	New	Paid	Outstanding	Prior	Int. on Prior	New	Paid	Outstanding

A-1	-	-	-	-	-	-	-	-	-	-	-	-	-
A-2	-	-	-	-	-	-	-	-	-	-	-	-	-
A-3	-	-	-	-	-	-	-	-	-	-	-	-	-
A-4	-	-	-	-	-	-	-	-	-	-	-	-	-
A-AB	-	-	-	-	-	-	-	-	-	-	-	-	-
A-S	-	-	-	-	-	-	-	-	-	-	-	-	-
B	-	-	-	-	-	-	-	-	-	-	-	-	-
C	-	-	-	-	-	-	-	-	-	-	-	-	-
D	-	-	-	-	-	-	-	-	-	-	-	-	-
E-RR	-	-	-	-	-	-	-	-	-	-	-	-	-
F-RR	-	-	-	-	-	-	-	-	-	-	-	-	-
G-RR	-	-	-	-	-	-	-	-	-	-	-	-	-
H-RR	-	-	-	-	-	-	-	-	-	-	-	-	-
J-RR	-	-	-	296,996.98	1,085.58	13,689.69	-	311,772.25	-	-	-	-	-
S	-	-	-	-	-	-	-	-	-	-	-	-	-
R	-	-	-	-	-	-	-	-	-	-	-	-	-
Total	-	-	-	296,996.98	1,085.58	13,689.69	-	311,772.25	-	-	-	-	-
Notional
X-A	-	-	-	-	-	-	-	-	-	-	-	-	-
X-B	-	-	-	-	-	-	-	-	-	-	-	-	-
X-D	-	-	-	-	-	-	-	-	-	-	-	-	-
Total	-	-	-	-	-	-	-	-	-	-	-	-	-

Grand Total	-	-	-	296,996.98	1,085.58	13,689.69	-	311,772.25	-	-	-	-	-


Reports Available at sf.citidirect.com	v. 21.09.28	Page 5 of 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

DISTRIBUTION INFORMATION - PRINCIPAL DETAIL

January 14, 2026


					Accretion
					&
					Non-Cash
					Balance		Cumulative
	Prior	Principal	Accreted	Realized Loss	Increase/	Current	Realized	Class %		Class %		Sub %		Sub %
Class	Balance	Distributed	Principal	/(Recovery)	(Decrease)	Balance	Loss	Original		Current		Original		Current

A-1	-	-	-	-	-	-	-	2.84	%	0.00	%	30.00	%	37.68	%
A-2	-	-	-	-	-	-	-	10.63	%	0.00	%	30.00	%	37.68	%
A-3	199,739,590.64	-	-	-	-	199,739,590.64	-	24.56	%	25.67	%	30.00	%	37.68	%
A-4	271,691,000.00	-	-	-	-	271,691,000.00	-	27.81	%	34.92	%	30.00	%	37.68	%
A-AB	14,200,447.79	739,883.05	-	-	-	13,460,564.74	-	4.16	%	1.73	%	30.00	%	37.68	%
A-S	73,280,000.00	-	-	-	-	73,280,000.00	-	7.50	%	9.42	%	22.50	%	28.26	%
B	45,189,000.00	-	-	-	-	45,189,000.00	-	4.62	%	5.81	%	17.88	%	22.45	%
C	40,304,000.00	-	-	-	-	40,304,000.00	-	4.13	%	5.18	%	13.75	%	17.27	%
D	29,311,000.00	-	-	-	-	29,311,000.00	-	3.00	%	3.77	%	10.75	%	13.50	%
E-RR	21,984,000.00	-	-	-	-	21,984,000.00	-	2.25	%	2.83	%	8.50	%	10.67	%
F-RR	12,214,000.00	-	-	-	-	12,214,000.00	-	1.25	%	1.57	%	7.25	%	9.10	%
G-RR	12,213,000.00	-	-	-	-	12,213,000.00	-	1.25	%	1.57	%	6.00	%	7.54	%
H-RR	9,770,000.00	-	-	-	-	9,770,000.00	-	1.00	%	1.26	%	5.00	%	6.28	%
J-RR	48,853,893.00	-	-	-	-	48,853,893.00	-	5.00	%	6.28	%	0.00	%	0.00	%
S	-	-	-	-	-	-	-	0.00	%	0.00	%	0.00	%	0.00	%
R	-	-	-	-	-	-	-	0.00	%	0.00	%	0.00	%	0.00	%

Total	778,749,931.43	739,883.05	-	-	-	778,010,048.38	-	100.00	%	100.00	%


Reports Available at sf.citidirect.com	v. 21.09.28	Page 6 of 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

RECONCILIATION DETAIL

January 14, 2026


SOURCE OF FUNDS					ALLOCATION OF FUNDS

Interest Funds Available					Scheduled Fees
Scheduled Interest	2,956,319.41				Servicing Fee	8,986.62
Gross Prepayment Interest Shortfall	-				Trustee/Certificate Administrator Fee	4,291.81
Interest Adjustments	-				Operating Advisor Fee	1,175.42
ASER Amount	(9,332.41	)			Asset Representations Reviewer Ongoing Fee	174.34
Realized Loss in Excess of Principal Balance	-				CREFC Intellectual Property Royalty License Fee	335.31
Total Interest Funds Available			2,946,987.00		Total Scheduled Fees		14,963.50
Principal Funds Available					Additional Fees, Expenses, etc.
Scheduled Principal	739,883.05				Additional Servicing Fee	-
Curtailments	-				Special Servicing Fee	3,500.00
Unscheduled Principal Collections	-				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	388.42
					Borrower Reimbursable Trust Fund Expenses	-
Total Principal Funds Available			739,883.05
					Other Expenses	-
Other Funds Available
Yield Maintenance Charges	-				Total Additional Fees, Expenses, etc.		4,357.26
Withdrawal of Withheld Amounts from the Interest Reserve					Distributions
Account	-
					Interest Distribution	2,832,783.79
Deposit of Withheld Amounts to the Interest Reserve Account	(94,882.45	)
					Principal Distribution	739,883.05
Total Other Funds Available			(94,882.45	)	Yield Maintenance Charge Distribution	-
					Total Distributions		3,572,666.84




Total Funds Available			3,591,987.60
					Total Funds Allocated		3,591,987.60


Reports Available at sf.citidirect.com	v. 21.09.28	Page 7 of 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

OTHER INFORMATION

Interest Reserve Account Information

January 14, 2026


Beginning Interest Reserve Account Balance	0.00
Deposit of Withheld Amounts to the Interest Reserve Account	94,882.45
Withdrawal of Withheld Amounts from the Interest Reserve Account	0.00
Ending Interest Reserve Account Balance	94,882.45
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	79.627672	%
Controlling Class Information
Controlling Class is Class J-RR.
The Controlling Class Representative is KKR Real Estate Credit Opportunity Partners Aggregator I L.P.
There Are No Disclosable Special Servicer Fees.


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Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

STRATIFICATION DETAIL

January 14, 2026


Anticipated Remaining Term

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

60 Months or Less	45	751,485,563.54	96.59	4.3863	19	1.737342
61 to 90 Months	3	26,524,485.60	3.41	5.0332	69	1.271478
91 Months or Greater	0	0.00	0.00	0.0000	0	0.000000
Total	48	778,010,049.14	100.00	4.4084	21	1.721460

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	11	199,358,651.71	25.62	4.6984	22	0.700200
1.251 to 1.500	5	59,882,583.38	7.70	4.4291	20	1.364165
1.501 to 1.750	8	95,273,594.21	12.25	4.6063	19	1.647805
1.751 to 2.000	11	186,673,600.37	23.99	4.5012	22	1.835987
2.001 to 2.250	0	0.00	0.00	0.0000	0	0.000000
2.251 to 2.500	6	121,119,995.29	15.57	4.0226	20	2.386205
2.501 to 2.750	3	76,864,047.28	9.88	4.1883	19	2.674950
2.751 to 3.000	1	25,000,000.00	3.21	3.2500	17	2.890000
3.001 to 3.250	1	2,783,291.31	0.36	4.9850	19	3.160000
3.251 to 3.500	1	3,954,285.59	0.51	3.8900	20	3.260000
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	20	4.190000
Total	48	778,010,049.14	100.00	4.4084	21	1.721460


Reports Available at sf.citidirect.com	v. 21.09.28	Page 9 of 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

STRATIFICATION DETAIL

January 14, 2026


Ending Schedule Balance

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

1 to 5,000,000	11	32,261,139.72	4.15	4.7992	21	2.030011
10,000,001 to 15,000,000	3	39,181,614.38	5.04	4.5838	19	1.500367
15,000,001 to 20,000,000	4	70,629,457.46	9.08	4.6665	30	1.492736
20,000,001 to 25,000,000	7	163,471,668.82	21.01	4.2987	19	1.936503
25,000,001 to 30,000,000	2	51,739,464.62	6.65	4.3517	20	1.364864
30,000,001 to 35,000,000	3	99,156,754.71	12.74	4.5720	17	0.889965
35,000,001 to 40,000,000	2	75,215,681.35	9.67	4.1001	19	2.059618
40,000,001 to 45,000,000	1	41,000,000.00	5.27	3.9950	20	2.730000
45,000,001 to 50,000,000	1	50,000,000.00	6.43	3.6000	22	2.450000
5,000,001 to 10,000,000	13	95,354,268.08	12.26	4.8516	24	1.422405
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	7.71	4.4953	20	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	778,010,049.14	100.00	4.4084	21	1.721460


Reports Available at sf.citidirect.com	v. 21.09.28	Page 10 of 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

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January 14, 2026


Loan Rate

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

4.00 or Less	5	145,119,593.92	18.65	3.7258	19	2.439694
4.01 to 4.25	4	117,315,681.35	15.08	4.1150	19	1.833638
4.26 to 4.50	9	205,094,973.96	26.36	4.4202	19	1.687595
4.51 to 4.75	13	188,645,101.27	24.25	4.6381	19	1.647504
4.76 to 5.00	5	15,479,333.79	1.99	4.9316	19	1.803323
5.01 to 5.25	10	94,366,283.02	12.13	5.1131	31	0.812359
5.26 to 5.50	1	2,071,731.43	0.27	5.2850	19	2.460000
5.51 to 5.75	1	9,917,350.40	1.27	5.5470	19	0.360000
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	778,010,049.14	100.00	4.4084	21	1.721460

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	20	4.190000
Lodging	7	123,203,747.21	15.84	4.7111	17	1.263251
Mixed Use	8	157,917,151.00	20.30	4.3000	18	2.080623
Multifamily	3	44,546,731.43	5.73	4.7457	19	1.652517
Office	9	221,046,198.47	28.41	4.1929	22	1.518080
Other	1	6,000,000.00	0.77	5.2500	17	1.680000
Retail	14	183,617,655.94	23.60	4.3849	24	1.816894
Self Storage	1	5,138,530.25	0.66	4.9150	20	1.220000
Total	48	778,010,049.14	100.00	4.4084	21	1.721460


Reports Available at sf.citidirect.com	v. 21.09.28	Page 11 of 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

STRATIFICATION DETAIL

January 14, 2026


Remaining Amortization Term

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

240 Months or Less	23	428,150,586.68	55.03	4.3170	21	1.867109
241 to 270 Months	25	349,859,462.46	44.97	4.5203	21	1.543217
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	778,010,049.14	100.00	4.4084	21	1.721460

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	81	1.280000
49 Months or Greater	47	777,030,049.14	99.87	4.4076	21	1.722017
Total	48	778,010,049.14	100.00	4.4084	21	1.721460


Reports Available at sf.citidirect.com	v. 21.09.28	Page 12 of 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

STRATIFICATION DETAIL

January 14, 2026


State

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

California	9	153,217,488.61	19.69	4.6447	18	1.431140
Colorado	3	22,040,898.65	2.83	4.6706	19	2.433628
Connecticut	1	2,071,731.43	0.27	5.2850	19	2.460000
Delaware	0	0.00	0.00	0.0000	0	0.000000
District of Columbia	1	50,000,000.00	6.43	3.6000	22	2.450000
Florida	2	30,935,000.00	3.98	4.6507	35	1.774962
Georgia	6	28,526,592.72	3.67	4.8240	19	1.119511
Illinois	0	0.00	0.00	0.0000	0	0.000000
Iowa	1	980,000.00	0.13	5.0600	81	1.280000
Kentucky	1	37,558,263.86	4.83	4.0400	18	2.350000
Louisiana	1	25,165,308.33	3.23	3.9840	19	1.370000
Maryland	0	0.00	0.00	0.0000	0	0.000000
Massachusetts	3	92,475,000.00	11.89	4.5397	20	1.908816
Michigan	1	3,271,407.85	0.42	4.9800	19	1.600000
Missouri	1	6,000,000.00	0.77	5.2500	17	1.680000
Nevada	1	23,507,432.90	3.02	4.2591	18	2.550000
New York	2	60,000,000.00	7.71	3.7750	18	1.711667
North Carolina	1	8,543,878.10	1.10	4.5340	19	1.870000
Ohio	1	2,714,528.28	0.35	5.1500	20	1.470000
Pennsylvania	1	26,574,156.29	3.42	4.7000	21	1.360000
South Carolina	1	5,737,821.29	0.74	4.6400	20	1.680000
Texas	0	0.00	0.00	0.0000	0	0.000000
Utah	1	5,138,530.25	0.66	4.9150	20	1.220000
Various	6	118,180,169.89	15.19	4.5895	26	1.157281
Virginia	1	24,000,000.00	3.08	4.5110	19	1.980000
Washington	1	6,417,555.10	0.82	5.0250	21	-1.190000
West Virginia	1	3,954,285.59	0.51	3.8900	20	3.260000
Wisconsin	1	41,000,000.00	5.27	3.9950	20	2.730000
Total	48	778,010,049.14	100.00	4.4084	21	1.721460


Reports Available at sf.citidirect.com	v. 21.09.28	Page 13 of 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

MORTGAGE LOAN DETAIL

January 14, 2026


			Prop			Paid					Beginning	Ending		Payment Workout Mod
			Type			Through	Gross		Interest	Principal	Scheduled	Scheduled	Maturity	Status		Strategy Code
Loan ID	OMCR		(1)	City	State	Date	Coupon		Payment	Payment	Balance	Balance	Date	(2	)	(3	)	(4	)

30313280	1		MU	Boston	MA	01/06/2026	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	01/01/2026	3.98400	%	86,494.76	46,923.37	25,212,231.70	25,165,308.33	08/01/2027	0		0		0
30313292	11		RT	Langhorne	PA	01/06/2026	4.70000	%	107,703.35	37,515.24	26,611,671.53	26,574,156.29	10/06/2027	0		0		0
30313293	12		RT	Various	XX	01/06/2026	4.40000	%	83,614.84	64,931.52	22,068,433.04	22,003,501.52	09/06/2027	0		0		0
30313294	13		OF	La Jolla	CA	01/03/2026	4.55000	%	90,111.58	38,322.87	22,999,057.27	22,960,734.40	10/06/2027	0		0		0
30313295	14		MU	Windsor Mill	NV	01/06/2026	4.25906	%	86,348.92	36,768.69	23,544,201.59	23,507,432.90	07/06/2027	0		0		0
30313296	15		MU	New York	NY	01/06/2026	3.25000	%	69,965.28	-	25,000,000.00	25,000,000.00	06/06/2027	0		0		0
30313340	16		MF	Various	XX	01/06/2026	4.71200	%	101,438.89	-	25,000,000.00	25,000,000.00	09/06/2027	0		0		0
30313300	17		LO	Arlington	VA	01/06/2026	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	01/06/2026	4.49530	%	58,064.29	-	15,000,000.00	15,000,000.00	09/06/2027	0		0		0
30313231	2		OF	Washington	DC	01/01/2026	3.60000	%	155,000.00	-	50,000,000.00	50,000,000.00	11/01/2027	0		0		0
30313251	20		OF	Various	XX	01/06/2026	4.26400	%	66,402.31	39,541.05	18,084,512.91	18,044,971.86	08/06/2027	0		0		0
30313304	21		RT	Miami	FL	01/06/2026	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	12/06/2025	4.68300	%	78,635.38	-	19,500,000.00	19,500,000.00	07/06/2027	B		0		0
30313306	23		MF	Methuen	MA	01/06/2026	4.73000	%	71,176.65	-	17,475,000.00	17,475,000.00	09/06/2027	0		0		0
30313248	24		RT	Various	XX	01/08/2026	5.04000	%	67,828.77	19,263.16	15,628,748.76	15,609,485.60	09/08/2031	0		0		0
30313310	27		MH	Parachute	CO	01/06/2026	4.69500	%	50,038.94	20,325.35	12,376,939.73	12,356,614.38	08/06/2027	0		0		0
30313311	28		LO	Los Angeles	CA	01/06/2026	5.54700	%	47,505.10	28,064.84	9,945,415.24	9,917,350.40	08/06/2027	0		0		8
30313312	29		OF	San Jose	CA	01/06/2026	4.58000	%	46,636.49	-	11,825,000.00	11,825,000.00	10/06/2027	0		8		0
30313313	30		OF	Jacksonville	FL	01/06/2026	5.02000	%	42,946.80	-	9,935,000.00	9,935,000.00	10/06/2031	0		0		0
30313315	32		RT	Greensboro	NC	01/06/2026	4.53400	%	33,418.27	15,519.39	8,559,397.49	8,543,878.10	08/06/2027	0		0		0
30313316	33		LO	Brunswick	GA	06/06/2025	5.24000	%	37,290.76	15,385.56	8,264,389.35	8,249,003.79	09/06/2027	3		13		8
30298889	34		RT	Peach Tree	GA	01/06/2026	4.28000	%	31,382.51	-	8,515,000.00	8,515,000.00	09/06/2027	0		0		0
30313317	35		MH	Various	XX	01/06/2026	5.15000	%	32,865.92	11,908.23	7,411,044.42	7,399,136.19	10/06/2027	0		0		0
30313318	36		MH	Fort Collins	CO	01/06/2026	4.50000	%	26,797.52	14,497.33	6,915,490.29	6,900,992.96	09/06/2027	0		0		0
30313319	37		LO	Sequim	WA	11/06/2025	5.02500	%	27,851.65	19,032.15	6,436,587.25	6,417,555.10	10/06/2027	1		8		8
30313321	39		IN	San Diego	CA	01/06/2026	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	01/01/2026	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	01/06/2026	4.64000	%	22,972.90	11,792.14	5,749,613.43	5,737,821.29	09/06/2027	0		0		0
30313323	41		N/A	St. Louis	MO	12/06/2025	5.25000	%	27,125.00	-	6,000,000.00	6,000,000.00	06/06/2027	B		0		0
30313324	42		SS	Provo	UT	01/06/2026	4.91500	%	21,790.89	10,107.44	5,148,637.69	5,138,530.25	09/06/2027	0		0		0
30313325	43		OF	Venice	CA	01/06/2026	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 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

MORTGAGE LOAN DETAIL

January 14, 2026


		Prop			Paid					Beginning	Ending		Payment Workout Mod
		Type			Through	Gross		Interest	Principal	Scheduled	Scheduled	Maturity	Status		Strategy Code
Loan ID	OMCR	(1)	City	State	Date	Coupon		Payment	Payment	Balance	Balance	Date	(2	)	(3	)	(4	)

30313326	44	RT	Parkersburg	WV	01/06/2026	3.89000	%	13,292.99	14,100.57	3,968,386.16	3,954,285.59	09/06/2027	0		0		0
30313327	45	MU	Cartersville	GA	01/06/2026	4.75000	%	18,233.41	9,153.08	4,457,743.56	4,448,590.48	06/06/2027	0		0		0
30313328	46	MU	Temecula	CA	01/06/2026	4.54100	%	18,496.78	6,959.44	4,730,265.77	4,723,306.33	08/06/2027	0		0		0
30313330	48	LO	Richmond Hill	GA	01/06/2026	5.25000	%	13,728.13	8,743.66	3,036,637.73	3,027,894.07	10/06/2027	0		0		0
30313331	49	RT	Grand Rapids	MI	01/06/2026	4.98000	%	14,052.46	5,496.94	3,276,904.79	3,271,407.85	08/06/2027	0		0		0
30313284	5	OF	San Jose	CA	01/06/2026	4.16000	%	135,108.87	59,078.60	37,716,496.09	37,657,417.49	10/06/2027	0		0		0
30313333	51	MH	Arvada	CO	01/06/2026	4.98500	%	11,971.04	5,445.88	2,788,737.19	2,783,291.31	08/06/2027	0		0		0
30313335	53	RT	Willoughby	OH	01/06/2026	5.15000	%	12,060.97	5,138.86	2,719,667.14	2,714,528.28	09/06/2027	0		0		0
30313336	54	RT	Duluth	GA	01/06/2026	4.95000	%	10,279.14	3,598.88	2,411,529.51	2,407,930.63	10/06/2027	0		0		0
30313337	55	MF	Hartford	CT	01/06/2026	5.28500	%	9,445.95	3,859.01	2,075,590.44	2,071,731.43	08/06/2027	0		0		0
30313338	56	RT	Dacula	GA	01/06/2026	4.79000	%	7,760.33	3,244.95	1,881,418.70	1,878,173.75	09/06/2027	0		0		0
30313339	57	RT	Milford	IA	01/06/2026	5.06000	%	4,270.08	-	980,000.00	980,000.00	10/06/2032	0		0		0
30313285	6	LO	Los Angeles	CA	01/06/2026	5.11400	%	150,171.48	67,352.66	34,101,032.65	34,033,679.99	03/06/2027	0		8		8
30313288	7	LO	Louisville	KY	01/06/2026	4.04000	%	130,849.01	54,036.71	37,612,300.57	37,558,263.86	07/06/2027	0		0		0
30313289	8	OF	Various	XX	01/06/2026	4.45000	%	115,674.33	63,775.48	30,186,850.20	30,123,074.72	09/06/2027	0		0		0
30313290	9	OF	New York	NY	01/06/2026	4.15000	%	125,076.39	-	35,000,000.00	35,000,000.00	09/06/2027	0		0		8
Total	Count = 48							2,956,319.41	739,883.05	778,749,932.19	778,010,049.14


Reports Available at sf.citidirect.com	v. 21.09.28	Page 15 of 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

NOI DETAIL

January 14, 2026


			Property			Ending	Preceding		Most		Most Recent	Most Recent
			Type			Scheduled	Fiscal		Recent		Financial As of	Financial Asof
Loan ID	OMCR		(1)	City	State	Balance	Year NOI		NOI		Start Date	End Date

30313280	1		MU	Boston	MA	60,000,000.00	5,367,061.12		6,728,001.69		01/01/2025	09/30/2025
30313291	10		RT	Baton Rouge	LA	25,165,308.33	28,201,020.00		27,135,752.44		01/01/2025	06/30/2025
30313292	11		RT	Langhorne	PA	26,574,156.29	2,463,193.41		2,512,941.33		01/01/2025	06/30/2025
30313293	12		RT	Various	XX	22,003,501.52	3,074,102.21		2,911,660.45		01/01/2025	09/30/2025
30313294	13		OF	La Jolla	CA	22,960,734.40	2,424,374.21		2,597,222.83		01/01/2025	09/30/2025
30313295	14		MU	Windsor Mill	NV	23,507,432.90	12,679,152.27		12,995,821.38		01/01/2025	06/30/2025
30313296	15		MU	New York	NY	25,000,000.00	2,389,974.30		2,399,708.49		01/01/2025	09/30/2025
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		6,728,001.69		01/01/2025	09/30/2025
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	18,044,971.86	4,485,209.37		3,571,127.64		01/01/2025	09/30/2025
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	15,609,485.60	2,723,483.31		693,143.95		01/01/2025	03/31/2025
30313310	27		MH	Parachute	CO	12,356,614.38	2,084,178.74		2,342,337.06		Not Available	Not Available
30313311	28		LO	Los Angeles	CA	9,917,350.40	1,200,163.07		533,206.52		10/01/2024	09/30/2025
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	8,543,878.10	1,003,282.95		1,221,317.80		Not Available	Not Available
30313316	33		LO	Brunswick	GA	8,249,003.79	(360,694.64	)	(517,331.72	)	01/01/2025	06/30/2025
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	7,399,136.19	829,413.99		933,262.01		Not Available	Not Available
30313318	36		MH	Fort Collins	CO	6,900,992.96	650,410.14		807,555.45		Not Available	Not Available
30313319	37		LO	Sequim	WA	6,417,555.10	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		16,690,137.20		01/01/2025	09/30/2025
30313322	40		MU	West Columbia	SC	5,737,821.29	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		728,468.64		01/01/2025	09/30/2025
30313324	42		SS	Provo	UT	5,138,530.25	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 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

NOI DETAIL

January 14, 2026


		Property			Ending	Preceding	Most	Most Recent	Most Recent
		Type			Scheduled	Fiscal	Recent	Financial As of	Financial Asof
Loan ID	OMCR	(1)	City	State	Balance	Year NOI	NOI	Start Date	End Date

30313326	44	RT	Parkersburg	WV	3,954,285.59	1,166,161.94	1,177,157.76	10/01/2024	09/30/2025
30313327	45	MU	Cartersville	GA	4,448,590.48	632,928.96	505,873.10	Not Available	Not Available
30313328	46	MU	Temecula	CA	4,723,306.33	780,081.98	667,041.38	07/01/2024	06/30/2025
30313330	48	LO	Richmond Hill	GA	3,027,894.07	635,325.98	565,895.21	01/01/2025	09/30/2025
30313331	49	RT	Grand Rapids	MI	3,271,407.85	399,530.64	535,354.39	Not Available	Not Available
30313284	5	OF	San Jose	CA	37,657,417.49	4,834,863.79	4,161,358.69	01/01/2025	09/30/2025
30313333	51	MH	Arvada	CO	2,783,291.31	627,808.03	664,001.10	01/01/2025	06/30/2025
30313335	53	RT	Willoughby	OH	2,714,528.28	286,479.31	318,580.71	01/01/2025	09/30/2025
30313336	54	RT	Duluth	GA	2,407,930.63	330,190.68	330,190.68	Not Available	Not Available
30313337	55	MF	Hartford	CT	2,071,731.43	429,256.84	420,339.14	Not Available	Not Available
30313338	56	RT	Dacula	GA	1,878,173.75	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	34,033,679.99	13,539,265.09	11,031,420.41	01/01/2025	09/30/2025
30313288	7	LO	Louisville	KY	37,558,263.86	5,970,019.73	6,424,517.50	01/01/2025	09/30/2025
30313289	8	OF	Various	XX	30,123,074.72	16,316,267.32	16,714,004.64	01/01/2025	06/30/2025
30313290	9	OF	New York	NY	35,000,000.00	2,790,005.88	2,999,546.07	01/01/2025	09/30/2025
Total	Count = 48				778,010,049.14	189,254,922.92	174,638,129.12


Reports Available at sf.citidirect.com	v. 21.09.28	Page 17 of 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

DELINQUENCY LOAN DETAIL

January 14, 2026


		Actual	Paid	Current P&I	Total P&I	Cumulative	Other Expense	Payment Workout				Most Recent
		Principal	Through	Advances	Advances	Accrued Unpaid	Advances	Status		Strategy		Special Serv	Foreclosure	Bankruptcy	REO
Loan ID	OMCR	Balance	Date	(Net of ASER)	Outstanding	Interest Advances	Outstanding	(2	)	(3	)	Transfer Date	Date	Date	Date

30313305	22	19,500,000.00	12/06/2025	77,753.82	77,753.82	-	-	B		0
30313316	33	8,358,834.95	06/06/2025	43,308.33	340,792.44	9,211.01	12,800.82	3		13		09/10/2025
30313319	37	6,456,434.73	11/06/2025	46,856.09	835,210.00	619,271.05	1,084,540.00	1		8		05/27/2020		09/18/2020
30313323	41	6,000,000.00	12/06/2025	26,750.42	26,750.41	-	-	B		0
Total	Count = 4	40,315,269.68		194,668.66	1,280,506.67	628,482.06	1,097,340.82


Reports Available at sf.citidirect.com	v. 21.09.28	Page 18 of 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

COLLATERAL PERFORMANCE - DELINQUENCY AND LOAN STATUS DETAIL

–

January 14, 2026


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

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

Distribution

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


	1		6,417,555		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	%

	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	%


Reports Available at sf.citidirect.com	v. 21.09.28	Page 19 of 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

APPRAISAL REDUCTION DETAIL

January 14, 2026


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

30313316	33	Courtyard Brunswick	8,264,389.35	8,249,003.79	2,070,226.43	12/08/2025	9,332.41	27,713.36
30313319	37	Holiday Inn Express & Suites	6,436,587.25	6,417,555.10	-	05/08/2023	-	8,137.04
Total	Count = 2		14,700,976.60	14,666,558.89	2,070,226.43		9,332.41	35,850.40


Reports Available at sf.citidirect.com	v. 21.09.28	Page 20 of 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

HISTORICAL APPRAISAL REDUCTION DETAIL

January 14, 2026


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

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
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


Reports Available at sf.citidirect.com	v. 21.09.28	Page 21 of 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

HISTORICAL APPRAISAL REDUCTION DETAIL

January 14, 2026


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

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
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


Reports Available at sf.citidirect.com	v. 21.09.28	Page 22 of 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

HISTORICAL APPRAISAL REDUCTION DETAIL

January 14, 2026


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

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 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

LOAN MODIFICATION DETAIL

January 14, 2026


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

30313311		28	Hotel Normandie	10/06/2020	8
30313316		33	Courtyard Brunswick	09/30/2020	8
30313319		37	Holiday Inn Express & Suites	12/22/2022	8
30313285		6	Marriott Lax	02/25/2022	8
30313290		9	50 Varick	05/06/2020	8
Total	Count = 5


Reports Available at sf.citidirect.com	v. 21.09.28	Page 24 of 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

HISTORICAL LOAN MODIFICATION DETAIL

January 14, 2026


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

01/14/2026	30313311	28	Hotel Normandie	10/06/2020	8
01/14/2026	30313316	33	Courtyard Brunswick	09/30/2020	8
01/14/2026	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
01/14/2026	30313285	6	Marriott Lax	02/25/2022	8
01/14/2026	30313290	9	50 Varick	05/06/2020	8
12/12/2025	30313311	28	Hotel Normandie	10/06/2020	8
12/12/2025	30313316	33	Courtyard Brunswick	09/30/2020	8
12/12/2025	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
12/12/2025	30313285	6	Marriott Lax	02/25/2022	8
12/12/2025	30313290	9	50 Varick	05/06/2020	8
11/17/2025	30313311	28	Hotel Normandie	10/06/2020	8
11/17/2025	30313316	33	Courtyard Brunswick	09/30/2020	8
11/17/2025	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
11/17/2025	30313285	6	Marriott Lax	02/25/2022	8
11/17/2025	30313290	9	50 Varick	05/06/2020	8
10/15/2025	30313311	28	Hotel Normandie	10/06/2020	8
10/15/2025	30313316	33	Courtyard Brunswick	09/30/2020	8
10/15/2025	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
10/15/2025	30313285	6	Marriott Lax	02/25/2022	8
10/15/2025	30313290	9	50 Varick	05/06/2020	8
09/12/2025	30313311	28	Hotel Normandie	10/06/2020	8
09/12/2025	30313316	33	Courtyard Brunswick	09/30/2020	8
09/12/2025	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
09/12/2025	30313285	6	Marriott Lax	02/25/2022	8
09/12/2025	30313290	9	50 Varick	05/06/2020	8
08/14/2025	30313311	28	Hotel Normandie	10/06/2020	8
08/14/2025	30313316	33	Courtyard Brunswick	09/30/2020	8
08/14/2025	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
08/14/2025	30313285	6	Marriott Lax	02/25/2022	8
08/14/2025	30313290	9	50 Varick	05/06/2020	8
07/14/2025	30313311	28	Hotel Normandie	10/06/2020	8
07/14/2025	30313316	33	Courtyard Brunswick	09/30/2020	8


07/14/2025	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 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

HISTORICAL LOAN MODIFICATION DETAIL

January 14, 2026


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

07/14/2025	30313285	6	Marriott Lax	02/25/2022	8
07/14/2025	30313290	9	50 Varick	05/06/2020	8
06/13/2025	30313311	28	Hotel Normandie	10/06/2020	8
06/13/2025	30313316	33	Courtyard Brunswick	09/30/2020	8
06/13/2025	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
06/13/2025	30313285	6	Marriott Lax	02/25/2022	8
06/13/2025	30313290	9	50 Varick	05/06/2020	8
05/14/2025	30313311	28	Hotel Normandie	10/06/2020	8
05/14/2025	30313316	33	Courtyard Brunswick	09/30/2020	8
05/14/2025	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
05/14/2025	30313285	6	Marriott Lax	02/25/2022	8
05/14/2025	30313290	9	50 Varick	05/06/2020	8
04/14/2025	30313311	28	Hotel Normandie	10/06/2020	8
04/14/2025	30313316	33	Courtyard Brunswick	09/30/2020	8
04/14/2025	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
04/14/2025	30313285	6	Marriott Lax	02/25/2022	8
04/14/2025	30313290	9	50 Varick	05/06/2020	8
03/14/2025	30313311	28	Hotel Normandie	10/06/2020	8
03/14/2025	30313316	33	Courtyard Brunswick	09/30/2020	8
03/14/2025	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
03/14/2025	30313285	6	Marriott Lax	02/25/2022	8
03/14/2025	30313290	9	50 Varick	05/06/2020	8
02/14/2025	30313311	28	Hotel Normandie	10/06/2020	8
02/14/2025	30313316	33	Courtyard Brunswick	09/30/2020	8
02/14/2025	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
02/14/2025	30313285	6	Marriott Lax	02/25/2022	8
02/14/2025	30313290	9	50 Varick	05/06/2020	8
01/15/2025	30313311	28	Hotel Normandie	10/06/2020	8
01/15/2025	30313316	33	Courtyard Brunswick	09/30/2020	8
01/15/2025	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
01/15/2025	30313285	6	Marriott Lax	02/25/2022	8
01/15/2025	30313290	9	50 Varick	05/06/2020	8
12/13/2024	30313311	28	Hotel Normandie	10/06/2020	8


Reports Available at sf.citidirect.com	v. 21.09.28	Page 26 of 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

HISTORICAL LOAN MODIFICATION DETAIL

January 14, 2026


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

12/13/2024	30313316	33	Courtyard Brunswick	09/30/2020	8
12/13/2024	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
12/13/2024	30313285	6	Marriott Lax	02/25/2022	8
12/13/2024	30313290	9	50 Varick	05/06/2020	8
11/15/2024	30313311	28	Hotel Normandie	10/06/2020	8
11/15/2024	30313316	33	Courtyard Brunswick	09/30/2020	8
11/15/2024	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
11/15/2024	30313285	6	Marriott Lax	02/25/2022	8
11/15/2024	30313290	9	50 Varick	05/06/2020	8
10/15/2024	30313311	28	Hotel Normandie	10/06/2020	8
10/15/2024	30313316	33	Courtyard Brunswick	09/30/2020	8
10/15/2024	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
10/15/2024	30313285	6	Marriott Lax	02/25/2022	8
10/15/2024	30313290	9	50 Varick	05/06/2020	8
09/13/2024	30313311	28	Hotel Normandie	10/06/2020	8
09/13/2024	30313316	33	Courtyard Brunswick	09/30/2020	8
09/13/2024	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
09/13/2024	30313285	6	Marriott Lax	02/25/2022	8
09/13/2024	30313290	9	50 Varick	05/06/2020	8
08/14/2024	30313311	28	Hotel Normandie	10/06/2020	8
08/14/2024	30313316	33	Courtyard Brunswick	09/30/2020	8
08/14/2024	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
08/14/2024	30313285	6	Marriott Lax	02/25/2022	8
08/14/2024	30313290	9	50 Varick	05/06/2020	8
07/12/2024	30313311	28	Hotel Normandie	10/06/2020	8
07/12/2024	30313316	33	Courtyard Brunswick	09/30/2020	8
07/12/2024	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
07/12/2024	30313285	6	Marriott Lax	02/25/2022	8
07/12/2024	30313290	9	50 Varick	05/06/2020	8
06/14/2024	30313311	28	Hotel Normandie	10/06/2020	8
06/14/2024	30313316	33	Courtyard Brunswick	09/30/2020	8
06/14/2024	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
06/14/2024	30313285	6	Marriott Lax	02/25/2022	8


Reports Available at sf.citidirect.com	v. 21.09.28	Page 27 of 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

HISTORICAL LOAN MODIFICATION DETAIL

January 14, 2026


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

06/14/2024	30313290	9	50 Varick	05/06/2020	8
05/14/2024	30313311	28	Hotel Normandie	10/06/2020	8
05/14/2024	30313316	33	Courtyard Brunswick	09/30/2020	8
05/14/2024	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
05/14/2024	30313285	6	Marriott Lax	02/25/2022	8
05/14/2024	30313290	9	50 Varick	05/06/2020	8
04/12/2024	30313311	28	Hotel Normandie	10/06/2020	8
04/12/2024	30313316	33	Courtyard Brunswick	09/30/2020	8
04/12/2024	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
04/12/2024	30313285	6	Marriott Lax	02/25/2022	8
04/12/2024	30313290	9	50 Varick	05/06/2020	8
03/14/2024	30313311	28	Hotel Normandie	10/06/2020	8
03/14/2024	30313316	33	Courtyard Brunswick	09/30/2020	8
03/14/2024	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
03/14/2024	30313285	6	Marriott Lax	02/25/2022	8
03/14/2024	30313290	9	50 Varick	05/06/2020	8
02/14/2024	30313311	28	Hotel Normandie	10/06/2020	8
02/14/2024	30313316	33	Courtyard Brunswick	09/30/2020	8
02/14/2024	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
02/14/2024	30313285	6	Marriott Lax	02/25/2022	8
02/14/2024	30313290	9	50 Varick	05/06/2020	8
01/12/2024	30313311	28	Hotel Normandie	10/06/2020	8
01/12/2024	30313316	33	Courtyard Brunswick	09/30/2020	8
01/12/2024	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
01/12/2024	30313285	6	Marriott Lax	02/25/2022	8
01/12/2024	30313290	9	50 Varick	05/06/2020	8
12/14/2023	30313311	28	Hotel Normandie	10/06/2020	8
12/14/2023	30313316	33	Courtyard Brunswick	09/30/2020	8
12/14/2023	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
12/14/2023	30313285	6	Marriott Lax	02/25/2022	8
12/14/2023	30313290	9	50 Varick	05/06/2020	8
11/14/2023	30313311	28	Hotel Normandie	10/06/2020	8
11/14/2023	30313316	33	Courtyard Brunswick	09/30/2020	8


Reports Available at sf.citidirect.com	v. 21.09.28	Page 28 of 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

HISTORICAL LOAN MODIFICATION DETAIL

January 14, 2026


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

11/14/2023	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
11/14/2023	30313285	6	Marriott Lax	02/25/2022	8
11/14/2023	30313290	9	50 Varick	05/06/2020	8
10/16/2023	30313311	28	Hotel Normandie	10/06/2020	8
10/16/2023	30313316	33	Courtyard Brunswick	09/30/2020	8
10/16/2023	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
10/16/2023	30313285	6	Marriott Lax	02/25/2022	8
10/16/2023	30313290	9	50 Varick	05/06/2020	8
09/14/2023	30313311	28	Hotel Normandie	10/06/2020	8
09/14/2023	30313316	33	Courtyard Brunswick	09/30/2020	8
09/14/2023	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
09/14/2023	30313285	6	Marriott Lax	02/25/2022	8
09/14/2023	30313290	9	50 Varick	05/06/2020	8
08/14/2023	30313311	28	Hotel Normandie	10/06/2020	8
08/14/2023	30313316	33	Courtyard Brunswick	09/30/2020	8
08/14/2023	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
08/14/2023	30313285	6	Marriott Lax	02/25/2022	8
08/14/2023	30313290	9	50 Varick	05/06/2020	8
07/14/2023	30313311	28	Hotel Normandie	10/06/2020	8
07/14/2023	30313316	33	Courtyard Brunswick	09/30/2020	8
07/14/2023	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
07/14/2023	30313285	6	Marriott Lax	02/25/2022	8
07/14/2023	30313290	9	50 Varick	05/06/2020	8
06/14/2023	30313311	28	Hotel Normandie	10/06/2020	8
06/14/2023	30313316	33	Courtyard Brunswick	09/30/2020	8
06/14/2023	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
06/14/2023	30313285	6	Marriott Lax	02/25/2022	8
06/14/2023	30313290	9	50 Varick	05/06/2020	8
05/12/2023	30313311	28	Hotel Normandie	10/06/2020	8
05/12/2023	30313316	33	Courtyard Brunswick	09/30/2020	8
05/12/2023	30313319	37	Holiday Inn Express & Suites	12/22/2022	8
05/12/2023	30313285	6	Marriott Lax	02/25/2022	8
05/12/2023	30313290	9	50 Varick	05/06/2020	8


Reports Available at sf.citidirect.com	v. 21.09.28	Page 29 of 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

HISTORICAL LOAN MODIFICATION DETAIL

January 14, 2026


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

04/14/2023	30313311	28	Hotel Normandie	10/06/2020	8
04/14/2023	30313316	33	Courtyard Brunswick	09/30/2020	8
04/14/2023	30313285	6	Marriott Lax	02/25/2022	8
04/14/2023	30313290	9	50 Varick	05/06/2020	8
03/14/2023	30313311	28	Hotel Normandie	10/06/2020	8
03/14/2023	30313316	33	Courtyard Brunswick	09/30/2020	8
03/14/2023	30313285	6	Marriott Lax	02/25/2022	8
03/14/2023	30313290	9	50 Varick	05/06/2020	8
02/14/2023	30313311	28	Hotel Normandie	10/06/2020	8
02/14/2023	30313316	33	Courtyard Brunswick	09/30/2020	8
02/14/2023	30313285	6	Marriott Lax	02/25/2022	8
02/14/2023	30313290	9	50 Varick	05/06/2020	8
01/13/2023	30313311	28	Hotel Normandie	10/06/2020	8
01/13/2023	30313316	33	Courtyard Brunswick	09/30/2020	8
01/13/2023	30313285	6	Marriott Lax	02/25/2022	8
01/13/2023	30313290	9	50 Varick	05/06/2020	8
12/14/2022	30313311	28	Hotel Normandie	10/06/2020	8
12/14/2022	30313316	33	Courtyard Brunswick	09/30/2020	8
12/14/2022	30313285	6	Marriott Lax	02/25/2022	8
12/14/2022	30313290	9	50 Varick	05/06/2020	8
11/15/2022	30313311	28	Hotel Normandie	10/06/2020	8
11/15/2022	30313316	33	Courtyard Brunswick	09/30/2020	8
11/15/2022	30313285	6	Marriott Lax	02/25/2022	8
11/15/2022	30313290	9	50 Varick	05/06/2020	8
10/17/2022	30313311	28	Hotel Normandie	10/06/2020	8
10/17/2022	30313316	33	Courtyard Brunswick	09/30/2020	8
10/17/2022	30313285	6	Marriott Lax	02/25/2022	8
10/17/2022	30313290	9	50 Varick	05/06/2020	8
09/14/2022	30313311	28	Hotel Normandie	10/06/2020	8
09/14/2022	30313316	33	Courtyard Brunswick	09/30/2020	8
09/14/2022	30313285	6	Marriott Lax	02/25/2022	8
09/14/2022	30313290	9	50 Varick	05/06/2020	8
08/12/2022	30313311	28	Hotel Normandie	10/06/2020	8


Reports Available at sf.citidirect.com	v. 21.09.28	Page 30 of 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

HISTORICAL LOAN MODIFICATION DETAIL

January 14, 2026


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

08/12/2022	30313282	3	Godfrey Hotel	05/06/2021	8
08/12/2022	30313316	33	Courtyard Brunswick	09/30/2020	8
08/12/2022	30313285	6	Marriott Lax	02/25/2022	8
08/12/2022	30313290	9	50 Varick	05/06/2020	8
07/14/2022	30313311	28	Hotel Normandie	10/06/2020	8
07/14/2022	30313282	3	Godfrey Hotel	05/06/2021	8
07/14/2022	30313316	33	Courtyard Brunswick	09/30/2020	8
07/14/2022	30313285	6	Marriott Lax	02/25/2022	8
07/14/2022	30313290	9	50 Varick	05/06/2020	8
06/14/2022	30313311	28	Hotel Normandie	10/06/2020	8
06/14/2022	30313282	3	Godfrey Hotel	05/06/2021	8
06/14/2022	30313316	33	Courtyard Brunswick	09/30/2020	8
06/14/2022	30313285	6	Marriott Lax	02/25/2022	8
06/14/2022	30313290	9	50 Varick	05/06/2020	8
05/13/2022	30313311	28	Hotel Normandie	10/06/2020	8
05/13/2022	30313282	3	Godfrey Hotel	05/06/2021	8
05/13/2022	30313316	33	Courtyard Brunswick	09/30/2020	8
05/13/2022	30313285	6	Marriott Lax	02/25/2022	8
05/13/2022	30313290	9	50 Varick	05/06/2020	8
04/14/2022	30313311	28	Hotel Normandie	10/06/2020	8
04/14/2022	30313282	3	Godfrey Hotel	05/06/2021	8
04/14/2022	30313316	33	Courtyard Brunswick	09/30/2020	8
04/14/2022	30313290	9	50 Varick	05/06/2020	8
03/14/2022	30313311	28	Hotel Normandie	10/06/2020	8
03/14/2022	30313282	3	Godfrey Hotel	05/06/2021	8
03/14/2022	30313316	33	Courtyard Brunswick	09/30/2020	8
03/14/2022	30313290	9	50 Varick	05/06/2020	8
02/14/2022	30313311	28	Hotel Normandie	10/06/2020	8
02/14/2022	30313282	3	Godfrey Hotel	05/06/2021	8
02/14/2022	30313316	33	Courtyard Brunswick	09/30/2020	8
02/14/2022	30313290	9	50 Varick	05/06/2020	8
01/14/2022	30313311	28	Hotel Normandie	10/06/2020	8
01/14/2022	30313282	3	Godfrey Hotel	05/06/2021	8


Reports Available at sf.citidirect.com	v. 21.09.28	Page 31 of 44	© Copyright 2026 Citigroup

Citigroup Commercial Mortgage Trust 2017-C4

Commercial Mortgage Pass-Through Certificates, Series 2017-C4

HISTORICAL LOAN MODIFICATION DETAIL

January 14, 2026

Modification

Code (4)


Distribution				Modification
Date	Loan ID	OMCR	Property Name	Date

01/14/2022	30313316	33	Courtyard Brunswick	09/30/2020	8
01/14/2022	30313290	9	50 Varick	05/06/2020	8
12/14/2021	30313311	28	Hotel Normandie	10/06/2020	8
12/14/2021	30313282	3	Godfrey Hotel	05/06/2021	8
12/14/2021	30313316	33	Courtyard Brunswick	09/30/2020	8
12/14/2021	30313290	9	50 Varick	05/06/2020	8
11/15/2021	30313311	28	Hotel Normandie	10/06/2020	8
11/15/2021	30313282	3	Godfrey Hotel	05/06/2021	8
11/15/2021	30313316	33	Courtyard Brunswick	09/30/2020	8
11/15/2021	30313290	9	50 Varick	05/06/2020	8
10/15/2021	30313311	28	Hotel Normandie	10/06/2020	8
10/15/2021	30313282	3	Godfrey Hotel	05/06/2021	8
10/15/2021	30313316	33	Courtyard Brunswick	09/30/2020	8
10/15/2021	30313290	9	50 Varick	05/06/2020	8
09/14/2021	30313311	28	Hotel Normandie	10/06/2020	8
09/14/2021	30313282	3	Godfrey Hotel	05/06/2021	8
09/14/2021	30313316	33	Courtyard Brunswick	09/30/2020	8
09/14/2021	30313290	9	50 Varick	05/06/2020	8
08/13/2021	30313311	28	Hotel Normandie	10/06/2020	8
08/13/2021	30313282	3	Godfrey Hotel	05/06/2021	8
08/13/2021	30313316	33	Courtyard Brunswick	09/30/2020	8
08/13/2021	30313290	9	50 Varick	05/06/2020	8
07/14/2021	30313311	28	Hotel Normandie	10/06/2020	8
07/14/2021	30313282	3	Godfrey Hotel	05/19/2021	8
07/14/2021	30313290	9	50 Varick	05/06/2020	8
06/14/2021	30313311	28	Hotel Normandie	10/06/2020	8
06/14/2021	30313282	3	Godfrey Hotel	05/06/2020	8
06/14/2021	30313290	9	50 Varick	05/06/2020	8
05/14/2021	30313311	28	Hotel Normandie	10/06/2020	8
05/14/2021	30313282	3	Godfrey Hotel	05/06/2020	8
05/14/2021	30313290	9	50 Varick	05/06/2020	8
04/14/2021	30313311	28	Hotel Normandie	10/06/2020	8
04/14/2021	30313282	3	Godfrey Hotel	05/06/2020	8


Reports Available at sf.citidirect.com	v. 21.09.28	Page 32 of 44	© Copyright 2026 Citigroup


Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4						January 14, 2026

HISTORICAL LOAN MODIFICATION DETAIL


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

04/14/2021	30313290		9	50 Varick	05/06/2020	8
03/12/2021	30313311		28	Hotel Normandie	10/06/2020	8
03/12/2021	30313282		3	Godfrey Hotel	05/06/2020	8
03/12/2021	30313290		9	50 Varick	05/06/2020	8
02/12/2021	30313311		28	Hotel Normandie	10/06/2020	8
02/12/2021	30313282		3	Godfrey Hotel	05/06/2020	8
02/12/2021	30313290		9	50 Varick	05/06/2020	8
01/14/2021	30313311		28	Hotel Normandie	10/06/2020	8
01/14/2021	30313282		3	Godfrey Hotel	05/06/2020	8
01/14/2021	30313290		9	50 Varick	05/06/2020	8
12/14/2020	30313311		28	Hotel Normandie	10/06/2020	8
12/14/2020	30313282		3	Godfrey Hotel	05/06/2020	8
12/14/2020	30313290		9	50 Varick	05/06/2020	8
11/16/2020	30313311		28	Hotel Normandie	10/06/2020	8
11/16/2020	30313282		3	Godfrey Hotel	05/06/2020	8
11/16/2020	30313290		9	50 Varick	05/06/2020	8
10/15/2020	30313311		28	Hotel Normandie	04/06/2020	8
10/15/2020	30313282		3	Godfrey Hotel	05/06/2020	8
10/15/2020	30313290		9	50 Varick	05/06/2020	8
09/14/2020	30313311		28	Hotel Normandie	04/06/2020	8
09/14/2020	30313282		3	Godfrey Hotel	05/06/2020	8
09/14/2020	30313290		9	50 Varick	05/06/2020	8
08/14/2020	30313311		28	Hotel Normandie	04/06/2020	8
08/14/2020	30313282		3	Godfrey Hotel	05/06/2020	8
08/14/2020	30313290		9	50 Varick	05/06/2020	8
07/14/2020	30313311		28	Hotel Normandie	04/06/2020	8
07/14/2020	30313282		3	Godfrey Hotel	05/06/2020	8
07/14/2020	30313290		9	50 Varick	05/06/2020	8
06/12/2020	30313311		28	Hotel Normandie	04/06/2020	8
06/12/2020	30313290		9	50 Varick	05/06/2020	8
05/14/2020	30313311		28	Hotel Normandie	04/06/2020	8


Reports Available at sf.citidirect.com		v. 21.09.28		Page 33 of 44		© Copyright 2026 Citigroup


Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4								January 14, 2026
SPECIALLY SERVICED LOAN DETAIL


			Special Servicing	Ending	Ending	Most	Most Recent	Most Recent	Most Recent
		Workout	Fee Amount	Scheduled	Actual	Recent	Valuation	Special Servicer	Master Servicer
Loan ID	OMCR	Strategy (3)	Plus Adjustments	Balance	Balance	Value	Date	Transfer Date	Return Date
30313316	33	13	3,500.00	8,249,003.79	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 2026 Citigroup


Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4										January 14, 2026

HISTORICAL SPECIALLY SERVICED LOANS


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

12/14/2021	30313282	3	8	3,500.00		44,994,086.53	44,994,086.53	71,000,000.00	11/01/2020	09/09/2020	11/04/2021
11/15/2021	30313282	3	1	(63,791.51	)	44,994,086.53	44,994,086.53	71,000,000.00	11/01/2020	09/09/2020
10/15/2021	30313282	3	1	9,373.77		44,994,086.53	44,994,086.53	71,000,000.00	11/01/2020	09/09/2020
09/14/2021	30313282	3	1	9,686.23		44,994,086.53	44,994,086.53	71,000,000.00	11/01/2020	09/09/2020
08/13/2021	30313282	3	1	9,686.23		44,994,086.53	44,994,086.53	71,000,000.00	11/01/2020	09/09/2020
07/14/2021	30313282	3	1	(312.46	)	44,994,086.53	44,994,086.53	71,000,000.00	11/01/2020	09/09/2020
06/14/2021	30313282	3	1	9,671.62		44,864,286.34	45,383,006.43	71,000,000.00	11/01/2020	09/09/2020
05/14/2021	30313282	3	1	9,373.77		44,926,231.75	45,383,006.43	71,000,000.00	11/01/2020	09/09/2020
04/14/2021	30313282	3	1	9,699.44		44,994,086.53	45,383,006.43	101,400,000.00	03/28/2017	09/09/2020
03/12/2021	30313282	3	1	8,776.29		45,055,479.91	45,567,645.58	101,400,000.00	03/28/2017	09/09/2020
02/12/2021	30313282	3	1	9,729.69		45,135,188.72	45,567,645.58	101,400,000.00	03/28/2017	09/09/2020
01/14/2021	30313282	3	1	9,742.72		45,195,982.00	45,567,645.58	101,400,000.00	03/28/2017	09/09/2020
12/14/2020	30313282	3	1	9,442.29		45,256,516.73	45,567,645.58	101,400,000.00	03/28/2017	09/09/2020
11/16/2020	30313282	3	1	9,769.95		45,323,011.95	45,567,645.58	101,400,000.00	03/28/2017	09/09/2020
10/15/2020	30313282	3	1	6,943.59		45,383,006.43	45,567,645.58	101,400,000.00	03/28/2017	09/09/2020
07/14/2022	30313285	6	8	(16,165.78	)	36,723,512.64	36,784,274.46	182,000,000.00	04/26/2021	12/10/2020	06/30/2022
06/14/2022	30313285	6	1	7,930.74		36,784,274.46	36,899,836.72	182,000,000.00	04/26/2021	12/10/2020
05/13/2022	30313285	6	1	7,687.47		36,839,567.38	36,899,836.72	182,000,000.00	04/26/2021	12/10/2020
04/14/2022	30313285	6	1	(107,897.61	)	36,899,836.72	36,899,836.72	182,000,000.00	04/26/2021	12/10/2020
03/14/2022	30313285	6	1	7,199.28		36,954,622.97	37,961,804.09	300,800,000.00	02/01/2018	12/10/2020
02/14/2022	30313285	6	1	7,982.31		37,024,878.60	37,961,804.09	300,800,000.00	02/01/2018	12/10/2020
01/14/2022	30313285	6	1	7,993.93		37,079,116.61	37,961,804.09	300,800,000.00	02/01/2018	12/10/2020
12/14/2021	30313285	6	1	7,748.36		37,133,116.82	37,961,804.09	300,800,000.00	02/01/2018	12/10/2020
11/15/2021	30313285	6	1	8,018.16		37,192,140.45	37,961,804.09	300,800,000.00	02/01/2018	12/10/2020
10/15/2021	30313285	6	1	7,771.71		37,245,645.11	37,961,804.09	300,800,000.00	02/01/2018	12/10/2020
09/14/2021	30313285	6	1	8,042.18		37,304,191.22	37,961,804.09	300,800,000.00	02/01/2018	12/10/2020
08/13/2021	30313285	6	1	8,053.54		37,357,204.61	37,961,804.09	300,800,000.00	02/01/2018	12/10/2020
07/14/2021	30313285	6	1	7,805.80		37,409,985.57	37,961,804.09	300,800,000.00	02/01/2018	12/10/2020
06/14/2021	30313285	6	1	8,077.25		37,467,834.29	37,961,804.09	300,800,000.00	02/01/2018	12/10/2020
05/14/2021	30313285	6	13	7,828.65		37,520,130.20	37,961,804.09	300,800,000.00	02/01/2018	12/10/2020
04/14/2021	30313285	6	13	8,100.76		37,577,511.51	37,961,804.09	300,800,000.00	02/01/2018	12/10/2020
03/12/2021	30313285	6	13	7,329.95		37,629,326.55	37,961,804.09	300,800,000.00	02/01/2018	12/10/2020
Reports Available at sf.citidirect.com			v. 21.09.28			Page 35 of 44				© Copyright 2026 Citigroup


Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4										January 14, 2026

HISTORICAL SPECIALLY SERVICED LOANS


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

02/12/2021	30313285	6	13	8,126.35		37,696,909.14	37,961,804.09	300,800,000.00	02/01/2018	12/10/2020
01/14/2021	30313285	6	1	5,774.89		37,748,200.69	37,961,804.09	300,800,000.00	02/01/2018	12/10/2020
12/14/2020	30313301	18	6	(7,347.57	)	-	22,750,000.00	44,000,000.00	06/01/2017	09/10/2020
11/16/2020	30313301	18	6	4,897.57		22,750,000.00	22,750,000.00	44,000,000.00	06/01/2017	09/10/2020
10/15/2020	30313301	18	6	2,450.00		22,750,000.00	22,750,000.00	44,000,000.00	06/01/2017	09/10/2020
12/14/2022	30313308	25	8	(3,500.00	)	-	-	21,300,000.00	07/19/2017	09/21/2021
11/15/2022	30313308	25	6	3,500.00		14,346,175.77	14,346,175.77	21,300,000.00	07/19/2017	09/21/2021
10/17/2022	30313308	25	6	(3,500.00	)	14,368,299.60	14,368,299.60	21,300,000.00	07/19/2017	09/21/2021
09/14/2022	30313308	25	6	-		14,392,286.85	14,392,286.85	21,300,000.00	07/19/2017	09/21/2021
08/12/2022	30313308	25	13	-		14,414,216.34	14,414,216.34	21,300,000.00	07/19/2017	09/21/2021
07/14/2022	30313308	25	13	-		14,436,053.41	14,436,053.41	21,300,000.00	07/19/2017	09/21/2021
06/14/2022	30313308	25	13	(3,500.00	)	14,459,764.29	14,459,764.29	21,300,000.00	07/19/2017	09/21/2021
05/13/2022	30313308	25	13	3,500.00		14,481,409.40	14,504,935.26	21,300,000.00	07/19/2017	09/21/2021
04/14/2022	30313308	25	13	3,500.00		14,504,935.26	14,526,389.99	21,300,000.00	07/19/2017	09/21/2021
03/14/2022	30313308	25	13	-		14,526,389.99	14,526,389.99	21,300,000.00	07/19/2017	09/21/2021
02/14/2022	30313308	25	13	(10,500.00	)	14,553,690.13	14,553,690.13	21,300,000.00	07/19/2017	09/21/2021
01/14/2022	30313308	25	13	3,500.00		14,574,939.38	14,574,939.38	21,300,000.00	07/19/2017	09/21/2021
12/14/2021	30313308	25	13	3,500.00		14,596,099.08	14,619,157.11	21,300,000.00	07/19/2017	09/21/2021
11/15/2021	30313308	25	13	3,500.00		14,619,157.11	14,619,157.11	21,300,000.00	07/19/2017	09/21/2021
10/15/2021	30313308	25	13	3,500.00		14,640,130.45	14,640,130.45	21,300,000.00	07/19/2017	09/21/2021
08/14/2024	30313312	29	8	(20,322.58	)	11,825,000.00	11,825,000.00	21,600,000.00	10/01/2017	12/07/2023	07/26/2024
07/12/2024	30313312	29	98	3,500.00		11,825,000.00	11,825,000.00	21,600,000.00	10/01/2017	12/07/2023
06/14/2024	30313312	29	98	3,500.00		11,825,000.00	11,825,000.00	21,600,000.00	10/01/2017	12/07/2023
05/14/2024	30313312	29	98	3,500.00		11,825,000.00	11,825,000.00	21,600,000.00	10/01/2017	12/07/2023
04/12/2024	30313312	29	98	3,500.00		11,825,000.00	11,825,000.00	21,600,000.00	10/01/2017	12/07/2023
03/14/2024	30313312	29	13	3,500.00		11,825,000.00	11,825,000.00	21,600,000.00	10/01/2017	12/07/2023
02/14/2024	30313312	29	13	3,500.00		11,825,000.00	11,825,000.00	21,600,000.00	10/01/2017	12/07/2023
01/12/2024	30313312	29	13	2,822.58		11,825,000.00	11,825,000.00	21,600,000.00	10/01/2017	12/07/2023
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
Reports Available at sf.citidirect.com			v. 21.09.28			Page 36 of 44				© Copyright 2026 Citigroup


Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4									January 14, 2026

HISTORICAL SPECIALLY SERVICED LOANS


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

02/14/2024	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
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
Reports Available at sf.citidirect.com			v. 21.09.28		Page 37 of 44				© Copyright 2026 Citigroup


Citigroup Commercial Mortgage Trust 2017-C4
Commercial Mortgage Pass-Through Certificates, Series 2017-C4									January 14, 2026

HISTORICAL SPECIALLY SERVICED LOANS


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

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

CITIGROUP COMMERCIAL MORTGAGE TRUST 2017-C4 10-D