Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

STATEMENT TO NOTEHOLDERS

December 12, 2023


TRANSACTION PARTIES


Depositor:	Citigroup Commercial Mortgage Securities Inc.
Master Servicer:	Wells Fargo Bank, National Association
Certificate Administrator:	Citibank, N.A.
Trustee:	U.S. Bank Trust Co.
Special Servicer:	LNR Partners, LLC
Operating Advisor:	Situs Holdings, LLC




	John Hannon	Citibank, Agency and Trust
	(212) 816-5693	388 Greenwich Street Trading, 4th Floor
john.hannon@citi.com		New York, NY 10013


TABLE OF CONTENTS


1	.	Distribution Summary	2
1.1	.	Summary	2
1.2	.	Factors	3
1.3	.	Interest Detail	4
1.4	.	Interest Shortfall Detail	5
1.5	.	Principal Detail	6
2	.	Reconciliation Detail	7
3	.	Other Information	8
4	.	Stratification Detail	9
5	.	Mortgage Loan Detail	14
6	.	NOI Detail	15
7	.	Delinquency Loan Detail	16
8	.	Collateral Performance Delinquency and Loan Status Detail	17
9	.	Appraisal Reduction Detail	18
10	.	Historical Appraisal Reduction Detail	19
11	.	Loan Modification Detail	25
12	.	Historical Loan Modification Detail	26
13	.	Specially Serviced Loan Detail	31
14	.	Historical Specially Serviced Loan Detail	32
15	.	Unscheduled Principal Detail	40
16	.	Historical Unscheduled Principal Detail	41
17	.	Liquidated Loan Detail	44
18	.	Historical Liquidated Loan Detail	45
19	.	CREFC Investor Reporting Package Legends	46
20	.	Notes	47


Reports Available at sf.citidirect.com	v. 21.09.28	Page 1 of 47	© Copyright 2023 Citigroup

Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

DISTRIBUTION SUMMARY

December 12, 2023


					Accrual		PPP, YM, Other				Non-Cash
	Original	Prior	Pass-Through		Day	Interest	Amounts	Principal	Total	Realized	Balance	Current
Class	Balance	Balance	Rate		Count	Distributed	Distributed	Distributed	Distributed	Loss	Change	Balance

A-1	57,358,000.00	-	1.378000	%	30/360	-	-	-	-	-	-	-
A-2	236,853,000.00	-	3.161000	%	30/360	-	-	-	-	-	-	-
A-3	150,000,000.00	-	4.095000	%	30/360	-	-	-	-	-	-	-
A-4	264,191,000.00	-	4.371000	%	30/360	-	-	-	-	-	-	-
A-AB	72,224,000.00	-	3.942000	%	30/360	-	-	-	-	-	-	-
A-S	94,790,000.00	-	4.649000	%	30/360	-	-	-	-	-	-	-
B	54,365,000.00	-	5.110142	%	30/360	-	-	-	-	-	-	-
C	55,759,000.00	-	5.110142	%	30/360	-	-	-	-	-	-	-
D	50,183,000.00	-	5.110142	%	30/360	-	-	-	-	-	-	-
E	18,122,000.00	16,995,541.69	4.250000	%	30/360	49,439.35	-	-	49,439.35	-	-	16,995,541.69
F	16,727,000.00	16,727,000.00	5.110142	%	30/360	-	-	-	-	-	-	16,727,000.00
G	44,608,033.00	31,805,781.15	5.110142	%	30/360	-	-	-	-	7,829.75	-	31,797,951.40
S	-	-	0.000000	%	30/360	-	-	-	-	-	-	-
R	-	-	0.000000	%	30/360	-	-	-	-	-	-	-
Total	1,115,180,033.00	65,528,322.84				49,439.35	-	-	49,439.35	7,829.75	-	65,520,493.09
Notional
X-A	875,416,000.00	-	0.000000	%	30/360	-	-	-	-	-	-	-
X-C	18,122,000.00	16,995,541.69	0.860142	%	30/360	12,182.15	-	-	12,182.15	-	-	16,995,541.69
Total	893,538,000.00	16,995,541.69				12,182.15	-	-	12,182.15	-	-	16,995,541.69

Grand Total	2,008,718,033.00	82,523,864.53				61,621.50	-	-	61,621.50	7,829.75	-	82,516,034.78


Reports Available at sf.citidirect.com	v. 21.09.28	Page 2 of 47	© Copyright 2023 Citigroup

Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

DISTRIBUTION SUMMARY - FACTORS

December 12, 2023


					PPP, YM, Other				Non-Cash
			Record	Interest	Amounts	Principal	Total	Realized	Balance	Current
Class	CUSIP		Date	Distributed	Distributed	Distributed	Distributed	Loss	Change	Balance

A-1	17321	JAA2	11/30/2023	-	-	-	-	-	-	-
A-2	17321	JAB0	11/30/2023	-	-	-	-	-	-	-
A-3	17321	JAC8	11/30/2023	-	-	-	-	-	-	-
A-4	17321	JAD6	11/30/2023	-	-	-	-	-	-	-
A-AB	17321	JAE4	11/30/2023	-	-	-	-	-	-	-
A-S	17321	JAF1	11/30/2023	-	-	-	-	-	-	-
X-A	17321	JAJ3	11/30/2023	-	-	-	-	-	-	-
B	17321	JAG9	11/30/2023	-	-	-	-	-	-	-
C	17321	JAH7	11/30/2023	-	-	-	-	-	-	-
D	17321	JAP9	11/30/2023	-	-	-	-	-	-	-
E	17321	JAR5	11/30/2023	2.72813983	-	-	2.72813983	-	-	937.84028750
X-C	17321	JAM6	11/30/2023	0.67222989	-	-	0.67222989	-	-	937.84028750
F	17321	JAT1	11/30/2023	-	-	-	-	-	-	1,000.00000000
G	17321	JAV6	11/30/2023	-	-	-	-	0.17552332	-	712.83016223
S	17321	JBA1	11/30/2023	-	-	-	-	-	-	-
R	17321	JAX2	11/30/2023	-	-	-	-	-	-	-


Reports Available at sf.citidirect.com	v. 21.09.28	Page 3 of 47	© Copyright 2023 Citigroup

Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

DISTRIBUTION INFORMATION - INTEREST DETAIL

December 12, 2023


			Rate					Interest			Shortfall				Paid
							Accrual			Non	Carry	Basis
Class	Uncapped Capped				Next		Dates	Accrued	Deferred	Recovered	Forward	Risk	Accrued	Carry Forward Basis Risk		Total

A-1	1.37800	%	1.37800	%	1.37800	%	11/01-11/30	-	-	-	-	-	-	-	-	-
A-2	3.16100	%	3.16100	%	3.16100	%	11/01-11/30	-	-	-	-	-	-	-	-	-
A-3	4.09500	%	4.09500	%	4.09500	%	11/01-11/30	-	-	-	-	-	-	-	-	-
A-4	4.37100	%	4.37100	%	4.37100	%	11/01-11/30	-	-	-	-	-	-	-	-	-
A-AB	3.94200	%	3.94200	%	3.94200	%	11/01-11/30	-	-	-	-	-	-	-	-	-
A-S	4.64900	%	4.64900	%	4.64900	%	11/01-11/30	-	-	-	-	-	-	-	-	-
B	5.11014	%	5.11014	%	5.11014	%	11/01-11/30	-	-	-	-	-	-	-	-	-
C	5.11014	%	5.11014	%	5.11014	%	11/01-11/30	-	-	-	-	-	-	-	-	-
D	5.11014	%	5.11014	%	5.11014	%	11/01-11/30	-	-	-	-	-	-	-	-	-
E	4.25000	%	4.25000	%	4.25000	%	11/01-11/30	60,192.54	-	-	10,753.19	-	49,439.35	-	-	49,439.35
F	5.11014	%	5.11014	%	5.11014	%	11/01-11/30	71,231.12	-	-	72,548.81	-	-	-	-	-
G	5.11014	%	5.11014	%	5.11014	%	11/01-11/30	135,443.38	-	-	165,248.04	-	-	-	-	-
S	0.00000	%	0.00000	%	0.00000	%	11/01-11/30	-	-	-	-	-	-	-	-	-
R	0.00000	%	0.00000	%	0.00000	%	11/01-11/30	-	-	-	-	-	-	-	-	-
Total								266,867.04	-	-	248,550.04	-	49,439.35	-	-	49,439.35
Notional
X-A	0.00000	%	0.00000	%	0.00000	%	11/01-11/30	-	-	-	-	-	-	-	-	-
X-C	0.86014	%	0.86014	%	0.86014	%	11/01-11/30	12,182.15	-	-	-	-	12,182.15	-	-	12,182.15
Total								12,182.15	-	-	-	-	12,182.15	-	-	12,182.15

Grand Total								279,049.19	-	-	248,550.04	-	61,621.50	-	-	61,621.50


Reports Available at sf.citidirect.com	v. 21.09.28	Page 4 of 47	© Copyright 2023 Citigroup

Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

DISTRIBUTION INFORMATION - INTEREST SHORTFALL DETAIL

December 12, 2023


	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	-	-	-	-	-	10,753.19	-	10,753.19	-	-	-	-	-
F	-	-	-	309,428.33	1,317.69	71,231.12	-	381,977.14	-	-	-	-	-
G	-	-	-	6,998,943.44	29,804.66	135,443.38	-	7,164,191.48	-	-	-	-	-
S	-	-	-	-	-	-	-	-	-	-	-	-	-
R	-	-	-	-	-	-	-	-	-	-	-	-	-
Total	-	-	-	7,308,371.77	31,122.35	217,427.69	-	7,556,921.81	-	-	-	-	-
Notional
X-A	-	-	-	-	-	-	-	-	-	-	-	-	-
X-C	-	-	-	-	-	-	-	-	-	-	-	-	-
Total	-	-	-	-	-	-	-	-	-	-	-	-	-

Grand Total	-	-	-	7,308,371.77	31,122.35	217,427.69	-	7,556,921.81	-	-	-	-	-


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Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

DISTRIBUTION INFORMATION - PRINCIPAL DETAIL

December 12, 2023


					Non-Cash		Cumulative
	Prior	Principal	Accreted	Realized Loss/	Balance	Current	Realized	Class %		Class %		Sub %		Sub %
Class	Balance	Distributed	Principal	Recovery	Change	Balance	Loss	Original		Current		Original		Current

A-1	-	-	-	-	-	-	-	0.00	%	0.00	%	0.00	%	0.00	%
A-2	-	-	-	-	-	-	-	0.00	%	0.00	%	0.00	%	0.00	%
A-3	-	-	-	-	-	-	-	0.00	%	0.00	%	0.00	%	0.00	%
A-4	-	-	-	-	-	-	-	0.00	%	0.00	%	0.00	%	0.00	%
A-AB	-	-	-	-	-	-	-	0.00	%	0.00	%	0.00	%	0.00	%
A-S	-	-	-	-	-	-	-	0.00	%	0.00	%	0.00	%	0.00	%
B	-	-	-	-	-	-	-	0.00	%	0.00	%	0.00	%	0.00	%
C	-	-	-	-	-	-	-	0.00	%	0.00	%	0.00	%	0.00	%
D	-	-	-	-	-	-	-	0.00	%	0.00	%	0.00	%	0.00	%
E	16,995,541.69	-	-	-	-	16,995,541.69	-	0.00	%	0.00	%	0.00	%	0.00	%
F	16,727,000.00	-	-	-	-	16,727,000.00	-	0.00	%	0.00	%	0.00	%	0.00	%
G	31,805,781.15	-	-	7,829.75	-	31,797,951.40	12,810,081.60	0.00	%	0.00	%	0.00	%	0.00	%
S	-	-	-	-	-	-	-	0.00	%	0.00	%	0.00	%	0.00	%
R	-	-	-	-	-	-	-	0.00	%	0.00	%	0.00	%	0.00	%

Total	65,528,322.84	-	-	7,829.75	-	65,520,493.09	12,810,081.60	0.00	%	0.00	%	0.00	%	0.00	%


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Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

RECONCILIATION DETAIL

December 12, 2023


SOURCE OF FUNDS			ALLOCATION OF FUNDS

Interest Funds Available			Scheduled Fees
Scheduled Interest	15,447.88		Servicing Fee	200.62
Prepayment Interest Shortfall	-		Trustee/Certificate Administrator Fee	101.02
Interest Adjustments	-		Operating Advisor Fee	68.26
ASER Amount	-		CREFC? Intellectual Property Royalty License Fee	27.30
Realized Loss in Excess of Principal Balance	-
			Total Scheduled Fees		397.20
Total Interest Funds Available		15,447.88	Additional Fees, Expenses, etc.
Principal Funds Available			Additional Servicing Fee	-
Scheduled Principal	7,829.75		Special Servicing Fee	21,083.33
Unscheduled Principal Collections	-		Work-out Fee	-
Repurchased Principal	-		Liquidation Fee	-
Substitution Principal	-		Trust Fund Expenses	-
Other Principal	-		Trust Advisor Expenses	-
			Reimbursement of Interest on Advances to the Servicer	-
Total Principal Funds Available		7,829.75
			Borrower Reimbursable Trust Fund Expenses	-
Other Funds Available
			Reimbursement of Nonrecoverable Advances to the Servicer	-
Return of Nonrecoverable Advances from the Servicer	59,824.40
			Other Expenses	-
Yield Maintenance Charges	-
Withdrawal of Withheld Amounts from the Interest Reserve			Total Additional Fees, Expenses, etc.		21,083.33
Account	-
			Distributions
Deposit of Withheld Amounts to the Interest Reserve Account	-
			Interest Distribution	61,621.50
Total Other Funds Available		59,824.40	Principal Distribution	-
			Yield Maintenance Charge Distribution	-
			Total Distributions		61,621.50




Total Funds Available		83,102.03	Total Funds Allocated		83,102.03


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Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

OTHER INFORMATION

Interest Reserve Account Information

December 12, 2023


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 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
Collateral Information
% of Cut-Off Principal Balance Outstanding	5.875329	%
Controlling Class Information
Controlling Class is Class F.
Identification of the current Controlling Class Representative has not been provided.
There Are No Disclosable Special Servicer Fees.
Non-Active Exchangeable Certificates
Class PEZ Beginning Balance	0.00
Class PEZ Ending Balance	0.00


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Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

STRATIFICATION DETAIL

December 12, 2023


Anticipated Remaining Term

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

60 Months or Less	8	65,520,493.09	100.00	5.1363	0	1.312826
61 to 90 Months	0	0.00	0.00	0.0000	0	0.000000
91 Months or Greater	0	0.00	0.00	0.0000	0	0.000000
Total	8	65,520,493.09	100.00	5.1363	0	1.312826

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	5	19,850,485.05	30.30	5.3951	0	0.740169
1.251 to 1.500	2	11,670,008.04	17.81	5.3265	0	1.343023
1.501 to 1.750	1	34,000,000.00	51.89	4.9200	0	1.636800
1.751 to 2.000	0	0.00	0.00	0.0000	0	0.000000
2.001 to 2.250	0	0.00	0.00	0.0000	0	0.000000
2.251 to 2.500	0	0.00	0.00	0.0000	0	0.000000
2.501 to 2.750	0	0.00	0.00	0.0000	0	0.000000
2.751 to 3.000	0	0.00	0.00	0.0000	0	0.000000
3.001 to 3.250	0	0.00	0.00	0.0000	0	0.000000
3.251 to 3.500	0	0.00	0.00	0.0000	0	0.000000
3.501 to 3.750	0	0.00	0.00	0.0000	0	0.000000
3.751 to 4.000	0	0.00	0.00	0.0000	0	0.000000
4.001 or Greater	0	0.00	0.00	0.0000	0	0.000000
Total	8	65,520,493.09	100.00	5.1363	0	1.312826


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Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

STRATIFICATION DETAIL

December 12, 2023


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	1	3,431,401.05	5.24	5.3900	0	1.297700
10,000,001 to 15,000,000	1	11,164,650.45	17.04	5.1190	0	0.867500
15,000,001 to 20,000,000	0	0.00	0.00	0.0000	0	0.000000
20,000,001 to 25,000,000	0	0.00	0.00	0.0000	0	0.000000
25,000,001 to 30,000,000	0	0.00	0.00	0.0000	0	0.000000
30,000,001 to 35,000,000	1	34,000,000.00	51.89	4.9200	0	1.636800
35,000,001 to 40,000,000	0	0.00	0.00	0.0000	0	0.000000
40,000,001 to 45,000,000	0	0.00	0.00	0.0000	0	0.000000
45,000,001 to 50,000,000	0	0.00	0.00	0.0000	0	0.000000
5,000,001 to 10,000,000	2	16,924,441.59	25.83	5.5309	0	0.958823
50,000,001 to 55,000,000	0	0.00	0.00	0.0000	0	0.000000
55,000,001 to 60,000,000	0	0.00	0.00	0.0000	0	0.000000
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	8	65,520,493.09	100.00	5.1363	0	1.312826


Reports Available at sf.citidirect.com	v. 21.09.28	Page 10 of 47	© Copyright 2023 Citigroup

Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

STRATIFICATION DETAIL

December 12, 2023


Loan Rate

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

4.00 or Less	3	0.00	0.00	0.0000	0	0.000000
4.01 to 4.25	0	0.00	0.00	0.0000	0	0.000000
4.26 to 4.50	0	0.00	0.00	0.0000	0	0.000000
4.51 to 4.75	0	0.00	0.00	0.0000	0	0.000000
4.76 to 5.00	1	34,000,000.00	51.89	4.9200	0	1.636800
5.01 to 5.25	1	11,164,650.45	17.04	5.1190	0	0.867500
5.26 to 5.50	2	11,670,008.04	17.81	5.3265	0	1.343023
5.51 to 5.75	1	8,685,834.60	13.26	5.7500	0	0.576500
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	8	65,520,493.09	100.00	5.1363	0	1.312826

Property Type

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

Industrial	0	0.00	0.00	0.0000	0	0.000000
Lodging	1	0.00	0.00	0.0000	0	0.000000
Mixed Use	2	8,685,834.60	13.26	5.7500	0	0.576500
Multifamily	0	0.00	0.00	0.0000	0	0.000000
Office	3	22,834,658.49	34.85	5.2250	0	1.110523
Other	0	0.00	0.00	0.0000	0	0.000000
Retail	2	34,000,000.00	51.89	4.9200	0	1.636800
Self Storage	0	0.00	0.00	0.0000	0	0.000000
Total	8	65,520,493.09	100.00	5.1363	0	1.312826


Reports Available at sf.citidirect.com	v. 21.09.28	Page 11 of 47	© Copyright 2023 Citigroup

Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

STRATIFICATION DETAIL

December 12, 2023


Remaining Amortization Term

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

240 Months or Less	8	65,520,493.09	100.00	5.1363	0	1.312826
241 to 270 Months	0	0.00	0.00	0.0000	0	0.000000
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	8	65,520,493.09	100.00	5.1363	0	1.312826

Seasoning

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

12 Months or Less	0	0.00	0.00	0.0000	0	0.000000
13 to 24 Months	0	0.00	0.00	0.0000	0	0.000000
25 to 36 Months	0	0.00	0.00	0.0000	0	0.000000
37 to 48 Months	0	0.00	0.00	0.0000	0	0.000000
49 Months or Greater	8	65,520,493.09	100.00	5.1363	0	1.312826
Total	8	65,520,493.09	100.00	5.1363	0	1.312826


Reports Available at sf.citidirect.com	v. 21.09.28	Page 12 of 47	© Copyright 2023 Citigroup

Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

STRATIFICATION DETAIL

December 12, 2023


State

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

Alaska	1	8,685,834.60	13.26	5.7500	0	0.576500
Arizona	0	0.00	0.00	0.0000	0	0.000000
Arkansas	0	0.00	0.00	0.0000	0	0.000000
California	0	0.00	0.00	0.0000	0	0.000000
Colorado	0	0.00	0.00	0.0000	0	0.000000
Florida	1	0.00	0.00	0.0000	0	0.000000
Georgia	0	0.00	0.00	0.0000	0	0.000000
Illinois	0	0.00	0.00	0.0000	0	0.000000
Indiana	1	0.00	0.00	0.0000	0	0.000000
Louisiana	0	0.00	0.00	0.0000	0	0.000000
Maryland	1	8,238,606.99	12.57	5.3000	0	1.361900
Massachusetts	0	0.00	0.00	0.0000	0	0.000000
Michigan	0	0.00	0.00	0.0000	0	0.000000
Mississippi	0	0.00	0.00	0.0000	0	0.000000
Nevada	0	0.00	0.00	0.0000	0	0.000000
New Mexico	0	0.00	0.00	0.0000	0	0.000000
New York	2	37,431,401.05	57.13	4.9631	0	1.605714
North Carolina	0	0.00	0.00	0.0000	0	0.000000
Ohio	0	0.00	0.00	0.0000	0	0.000000
Pennsylvania	0	0.00	0.00	0.0000	0	0.000000
South Carolina	0	0.00	0.00	0.0000	0	0.000000
Tennessee	0	0.00	0.00	0.0000	0	0.000000
Texas	1	11,164,650.45	17.04	5.1190	0	0.867500
Utah	0	0.00	0.00	0.0000	0	0.000000
Various	1	0.00	0.00	0.0000	0	0.000000
Virginia	0	0.00	0.00	0.0000	0	0.000000
Washington	0	0.00	0.00	0.0000	0	0.000000
Total	8	65,520,493.09	100.00	5.1363	0	1.312826


Reports Available at sf.citidirect.com	v. 21.09.28	Page 13 of 47	© Copyright 2023 Citigroup

Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

MORTGAGE LOAN DETAIL

December 12, 2023


		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	)

695100181	31	OF		Houston	TX	03/06/2023	5.11900	%	-	-	11,164,650.45	11,164,650.45	09/06/2023	5		13		0
300880041	41	MU		Anchorage	AK	04/05/2021	5.75000	%	-	-	8,685,834.60	8,685,834.60	09/05/2023	5		7		0
300880046	46	OF		Columbia	MD	07/01/2023	5.30000	%	-	-	8,238,606.99	8,238,606.99	08/01/2023	5		13		0
300571010	6	RT		New York	NY	05/06/2019	4.92000	%	-	-	34,000,000.00	34,000,000.00	08/06/2023	5		7		0
625100034	79	OF		Ithaca	NY	08/05/2023	5.39000	%	15,447.88	7,829.75	3,439,230.80	3,431,401.05	09/05/2023	5		13		0
Total	Count = 5								15,447.88	7,829.75	65,528,322.84	65,520,493.09


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Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

NOI DETAIL

December 12, 2023


		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

695100181	31	OF		Houston	TX	11,164,650.45	884,920.52	702,066.53	Not Available	Not Available
300880041	41	MU		Anchorage	AK	8,685,834.60	33,445.00	219,290.00	01/01/2023	06/30/2023
300880046	46	OF		Columbia	MD	8,238,606.99	867,432.00	246,918.75	01/01/2023	03/31/2023
300571010	6	RT		New York	NY	34,000,000.00	2,757,635.00	1,397,530.00	01/01/2018	06/30/2018
625100034	79	OF		Ithaca	NY	3,431,401.05	465,240.00	210,873.00	01/01/2023	06/30/2023
Total	Count = 5					65,520,493.09	5,008,672.52	2,776,678.28


Reports Available at sf.citidirect.com	v. 21.09.28	Page 15 of 47	© Copyright 2023 Citigroup

Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

DELINQUENCY LOAN DETAIL

December 12, 2023


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

695100181	31	?	11,287,427.45	03/06/2023	-	-	425.50	23,279.75	5		13		03/14/2023
300880041	41	?	9,153,153.76	04/05/2021	-	-	-	-	5		7		08/11/2020			08/19/2022
300880046	46	?	8,253,415.61	07/01/2023	-	52,334.15	1,484.17	1,831.00	5		13		07/21/2023
300571010	6	?	34,000,000.00	05/06/2019	-	-	1,205.80	69,098.43	5		7		02/21/2019			06/01/2023
625100034	79	?	3,461,485.54	08/05/2023	23,277.63	92,292.00	934.87	-	5		13		09/20/2023
Total	Count = 5		66,155,482.36		23,277.63	144,626.15	4,050.34	94,209.18




Reports Available at sf.citidirect.com				v. 21.09.28			Page 16 of 47								© Copyright 2023 Citigroup

Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

COLLATERAL PERFORMANCE - DELINQUENCY AND LOAN STATUS DETAIL

December 12, 2023


–




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

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

Distribution

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


	0		0		0		0		1		3,431,401		2		19,403,257		0		0		0		0		2		42,685,835
12/12/2023
	0.0	%	0.0	%	0.0	%	0.0	%	20.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	40.0	%	0.0	%

	0		0		1		3,439,231		1		8,238,607		1		11,164,650		0		0		0		0		2		42,685,835
11/10/2023
	0.0	%	0.0	%	20.0	%	0.0	%	20.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	40.0	%	0.0	%

	1		3,446,512		1		8,238,607		0		0		1		11,164,650		0		0		0		0		2		42,685,835
10/13/2023
	16.7	%	0.0	%	16.7	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	33.3	%	0.0	%

	1		8,238,607		0		0		0		0		1		11,164,650		0		0		0		0		2		42,685,835
09/12/2023
	12.5	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	25.0	%	0.0	%

	0		0		0		0		1		11,164,650		0		0		0		0		0		0		2		42,685,835
08/11/2023
	0.0	%	0.0	%	0.0	%	0.0	%	3.3	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	6.7	%	0.0	%

	0		0		0		0		1		11,188,786		0		0		0		0		0		0		2		42,702,851
07/12/2023
	0.0	%	0.0	%	0.0	%	0.0	%	2.5	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	5.0	%	0.0	%

	0		0		1		11,214,403		0		0		0		0		0		0		0		0		2		42,721,170
06/12/2023
	0.0	%	0.0	%	2.3	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	4.5	%	0.0	%

	1		11,238,320		0		0		0		0		0		0		0		0		1		34,000,000		1		8,738,013
05/12/2023
	1.7	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	1.7	%	0.0	%	1.7	%	0.0	%

	0		0		0		0		0		0		0		0		0		0		1		34,000,000		1		8,756,165
04/13/2023
	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	1.4	%	0.0	%	1.4	%	0.0	%

	0		0		0		0		0		0		0		0		0		0		1		34,000,000		1		8,772,835
03/10/2023
	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	1.3	%	0.0	%	1.3	%	0.0	%

	0		0		0		0		0		0		0		0		0		0		1		34,000,000		1		8,793,616
02/10/2023
	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	1.3	%	0.0	%	1.3	%	0.0	%

	0		0		0		0		0		0		0		0		0		0		1		34,000,000		1		8,810,102
01/12/2023
	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	1.3	%	0.0	%	1.3	%	0.0	%


Reports Available at sf.citidirect.com	v. 21.09.28	Page 17 of 47	© Copyright 2023 Citigroup

Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

APPRAISAL REDUCTION DETAIL

December 12, 2023


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

300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	27,304,685.64	03/06/2023	-	3,193,617.22
300880041	41	O'Malley Square	8,685,834.60	8,685,834.60	-	02/06/2023	-	55,469.57
695100181	31	Spectrum Office Building	11,164,650.45	11,164,650.45	4,729,970.15	08/07/2023	-	20,768.38
Total	Count = 3		53,850,485.05	53,850,485.05	32,034,655.79		-	3,269,855.17


Reports Available at sf.citidirect.com	v. 21.09.28	Page 18 of 47	© Copyright 2023 Citigroup

Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

HISTORICAL APPRAISAL REDUCTION DETAIL


December 12, 2023
Most Recent	Cumulative


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

12/12/2023	695100181	31	Spectrum Office Building	11,164,650.45	11,164,650.45	4,729,970.15	08/07/2023	-	20,768.38
12/12/2023	300880041	41	O'Malley Square	8,685,834.60	8,685,834.60	-	02/06/2023	-	55,469.57
12/12/2023	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	27,304,685.64	03/06/2023	-	3,193,617.22
11/10/2023	695100181	31	Spectrum Office Building	11,164,650.45	11,164,650.45	4,729,970.15	08/07/2023	-	20,768.38
11/10/2023	300880041	41	O'Malley Square	8,685,834.60	8,685,834.60	-	02/06/2023	-	55,469.57
11/10/2023	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	27,304,685.64	03/06/2023	-	3,193,617.22
10/13/2023	695100181	31	Spectrum Office Building	11,164,650.45	11,164,650.45	4,729,970.15	08/07/2023	-	20,768.38
10/13/2023	300880041	41	O'Malley Square	8,685,834.60	8,685,834.60	-	02/06/2023	-	55,469.57
10/13/2023	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	27,304,685.64	03/06/2023	-	3,193,617.22
9/12/2023	695100181	31	Spectrum Office Building	11,164,650.45	11,164,650.45	4,729,970.15	08/07/2023	-	20,768.38
9/12/2023	300880041	41	O'Malley Square	8,685,834.60	8,685,834.60	-	02/06/2023	-	55,469.57
9/12/2023	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	27,304,685.64	03/06/2023	-	3,193,617.22
8/11/2023	695100181	31	Spectrum Office Building	11,188,785.88	11,164,650.45	4,729,970.15	08/07/2023	20,768.38	20,768.38
8/11/2023	300880041	41	O'Malley Square	8,702,851.40	8,685,834.60	-	02/06/2023	-	55,469.57
8/11/2023	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	27,304,685.64	03/06/2023	-	3,193,617.22
7/12/2023	300880041	41	O'Malley Square	8,721,170.46	8,702,851.40	-	02/06/2023	-	55,469.57
7/12/2023	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	27,304,685.64	03/06/2023	-	3,193,617.22
6/12/2023	300880041	41	O'Malley Square	8,738,013.16	8,721,170.46	-	02/06/2023	-	55,469.57
6/12/2023	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	27,304,685.64	03/06/2023	-	3,193,617.22
5/12/2023	300880041	41	O'Malley Square	8,756,164.54	8,738,013.16	-	02/06/2023	-	55,469.57
5/12/2023	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	27,304,685.64	03/06/2023	-	3,193,617.22
4/13/2023	300880041	41	O'Malley Square	8,772,834.82	8,756,164.54	-	02/06/2023	-	55,469.57
4/13/2023	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	27,304,685.64	03/06/2023	-	3,193,617.22
3/10/2023	300880041	41	O'Malley Square	8,793,615.82	8,772,834.82	-	02/06/2023	-	55,469.57
3/10/2023	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	27,304,685.64	03/06/2023	-	3,193,617.22
2/10/2023	300880041	41	O'Malley Square	8,810,101.58	8,793,615.82	-	02/06/2023	-	55,469.57
2/10/2023	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	25,722,916.04	04/06/2022	-	3,193,617.22
1/12/2023	300880041	41	O'Malley Square	8,826,506.12	8,810,101.58	-	11/08/2021	-	55,469.57
1/12/2023	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	25,722,916.04	04/06/2022	108,536.41	3,193,617.22
12/12/2022	300880041	41	O'Malley Square	8,844,235.49	8,826,506.12	-	11/08/2021	-	55,469.57
12/12/2022	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	25,722,916.04	04/06/2022	105,035.24	3,085,080.81
11/14/2022	300880041	41	O'Malley Square	8,860,471.85	8,844,235.49	-	11/08/2021	-	55,469.57
11/14/2022	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	25,722,916.04	04/06/2022	108,536.41	2,980,045.57


Reports Available at sf.citidirect.com	v. 21.09.28	Page 19 of 47	© Copyright 2023 Citigroup

Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

HISTORICAL APPRAISAL REDUCTION DETAIL

December 12, 2023


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

10/13/2022	300880041	41	O'Malley Square	8,878,039.25	8,860,471.85	-	11/08/2021	-	55,469.57
10/13/2022	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	25,722,916.04	04/06/2022	105,035.24	2,871,509.16
9/12/2022	300880041	41	O'Malley Square	8,894,109.06	8,878,039.25	-	11/08/2021	-	55,469.57
9/12/2022	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	25,722,916.04	04/06/2022	108,536.41	2,766,473.92
8/12/2022	300880041	41	O'Malley Square	8,910,099.69	8,894,109.06	-	11/08/2021	-	55,469.57
8/12/2022	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	25,722,916.04	04/06/2022	108,536.41	2,657,937.51
7/12/2022	300571016	29	HGI Shreveport & HI Natchez	8,759,291.72	-	-		-	542,510.42
7/12/2022	300880041	41	O'Malley Square	8,927,430.42	8,910,099.69	-	11/08/2021	-	55,469.57
7/12/2022	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	25,722,916.04	04/06/2022	105,035.24	2,549,401.10
6/10/2022	300571016	29	HGI Shreveport & HI Natchez	8,804,909.63	8,759,291.72	5,040,631.06	04/06/2022	25,847.93	542,510.42
6/10/2022	300880041	41	O'Malley Square	8,943,256.88	8,927,430.42	-	11/08/2021	-	55,469.57
6/10/2022	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	25,722,916.04	04/06/2022	108,536.41	2,444,365.86
5/12/2022	300571016	29	HGI Shreveport & HI Natchez	8,851,755.65	8,804,909.63	5,040,631.06	04/06/2022	-	516,662.49
5/12/2022	300880041	41	O'Malley Square	8,960,429.49	8,943,256.88	-	11/08/2021	-	55,469.57
5/12/2022	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	25,722,916.04	04/06/2022	105,035.24	2,335,829.45
4/12/2022	300571016	29	HGI Shreveport & HI Natchez	8,896,900.25	8,851,755.65	5,040,631.06	04/06/2022	-	516,662.49
4/12/2022	300880041	41	O'Malley Square	8,976,093.36	8,960,429.49	-	11/08/2021	-	55,469.57
4/12/2022	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	25,722,916.04	04/06/2022	108,536.41	2,230,794.21
3/11/2022	300571016	29	HGI Shreveport & HI Natchez	8,994,897.42	8,896,900.25	5,260,926.88	01/06/2022	-	516,662.49
3/11/2022	300880041	41	O'Malley Square	8,995,969.39	8,976,093.36	-	11/08/2021	-	55,469.57
3/11/2022	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	24,409,883.59	02/08/2021	93,028.78	2,122,257.80
2/11/2022	300571016	29	HGI Shreveport & HI Natchez	9,039,309.31	8,994,897.42	5,260,926.88	01/06/2022	-	516,662.49
2/11/2022	300880041	41	O'Malley Square	9,011,458.16	8,995,969.39	-	11/08/2021	-	55,469.57
2/11/2022	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	24,409,883.59	02/08/2021	102,996.15	2,029,229.02
1/12/2022	300571016	29	HGI Shreveport & HI Natchez	11,651,156.73	9,039,309.31	5,260,926.88	01/06/2022	-	516,662.49
1/12/2022	300880041	41	O'Malley Square	9,026,870.61	9,011,458.16	-	11/08/2021	-	55,469.57
1/12/2022	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	24,409,883.59	02/08/2021	102,996.15	1,926,232.87
12/10/2021	300571016	29	HGI Shreveport & HI Natchez	11,683,901.03	11,651,156.73	6,123,772.49	05/06/2021	30,389.22	516,662.49
12/10/2021	300880041	41	O'Malley Square	9,043,644.48	9,026,870.61	-	11/08/2021	-	55,469.57
12/10/2021	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	24,409,883.59	02/08/2021	99,673.69	1,823,236.72
11/15/2021	300571016	29	HGI Shreveport & HI Natchez	11,714,548.44	11,683,901.03	6,123,772.49	05/06/2021	31,402.20	486,273.27
11/15/2021	300880041	41	O'Malley Square	9,058,898.35	9,043,644.48	-	11/08/2021	-	55,469.57
11/15/2021	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	24,409,883.59	02/08/2021	102,996.15	1,723,563.03


Reports Available at sf.citidirect.com	v. 21.09.28	Page 20 of 47	© Copyright 2023 Citigroup

Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

HISTORICAL APPRAISAL REDUCTION DETAIL

December 12, 2023


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

10/13/2021	300571017	20	Walpole Shopping Mall	16,360,757.80	16,335,839.50	4,048,663.47	03/08/2021	-		-
10/13/2021	300571016	29	HGI Shreveport & HI Natchez	11,746,978.67	11,714,548.44	6,123,772.49	05/06/2021	30,389.22		454,871.07
10/13/2021	300880041	41	O'Malley Square	9,075,519.49	9,058,898.35	-	05/06/2021	-		55,469.57
10/13/2021	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	24,409,883.59	02/08/2021	99,673.69		1,620,566.88
9/13/2021	300571017	20	Walpole Shopping Mall	16,383,165.16	16,360,757.80	4,048,663.47	03/08/2021	(92,826.93	)	-
9/13/2021	300571016	29	HGI Shreveport & HI Natchez	11,777,303.20	11,746,978.67	6,123,772.49	05/06/2021	31,402.20		424,481.85
9/13/2021	300880041	41	O'Malley Square	9,090,616.31	9,075,519.49	-	05/06/2021	-		55,469.57
9/13/2021	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	24,409,883.59	02/08/2021	102,996.15		1,520,893.19
8/12/2021	300571017	20	Walpole Shopping Mall	16,405,470.72	16,383,165.16	4,048,663.47	03/08/2021	18,407.92		92,826.93
8/12/2021	300571016	29	HGI Shreveport & HI Natchez	11,807,472.50	11,777,303.20	6,123,772.49	05/06/2021	31,402.20		393,079.65
8/12/2021	300880041	41	O'Malley Square	9,105,638.75	9,090,616.31	-	05/06/2021	-		55,469.57
8/12/2021	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	24,409,883.59	02/08/2021	102,996.15		1,417,897.04
7/12/2021	300571017	20	Walpole Shopping Mall	16,430,082.83	16,405,470.72	4,048,663.47	03/08/2021	-		74,419.01
7/12/2021	300571016	29	HGI Shreveport & HI Natchez	11,839,442.33	11,807,472.50	6,123,772.49	05/06/2021	30,389.22		361,677.45
7/12/2021	300880041	41	O'Malley Square	9,122,036.99	9,105,638.75	-	05/06/2021	-		55,469.57
7/12/2021	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	24,409,883.59	02/08/2021	99,673.69		1,314,900.89
6/11/2021	300571017	20	Walpole Shopping Mall	16,452,175.24	16,430,082.83	4,048,663.47	03/08/2021	-		74,419.01
6/11/2021	300571016	29	HGI Shreveport & HI Natchez	11,869,293.56	11,839,442.33	6,123,772.49	05/06/2021	31,402.19		331,288.23
6/11/2021	300880041	41	O'Malley Square	9,136,904.62	9,122,036.99	-	05/06/2021	-		55,469.57
6/11/2021	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	24,409,883.59	02/08/2021	102,996.15		1,215,227.20
5/12/2021	300571017	20	Walpole Shopping Mall	16,476,581.98	16,452,175.24	4,048,663.47	03/08/2021	17,814.12		74,419.01
5/12/2021	300571016	29	HGI Shreveport & HI Natchez	11,900,957.10	11,869,293.56	6,123,772.49	05/06/2021	30,389.22		299,886.04
5/12/2021	300880041	41	O'Malley Square	9,153,153.76	9,136,904.62	-	05/06/2021	-		55,469.57
5/12/2021	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	24,409,883.59	02/08/2021	99,673.69		1,112,231.05
4/12/2021	300571017	20	Walpole Shopping Mall	16,498,463.14	16,476,581.98	4,048,663.47	03/08/2021	18,407.92		56,604.89
4/12/2021	300571016	29	HGI Shreveport & HI Natchez	11,930,493.44	11,900,957.10	6,393,542.78	11/06/2020	32,785.56		269,496.82
4/12/2021	300880041	41	O'Malley Square	9,167,868.08	9,153,153.76	2,307,946.78	12/07/2020	11,387.79		55,469.57
4/12/2021	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	24,409,883.59	02/08/2021	102,996.15		1,012,557.36
3/12/2021	300571017	20	Walpole Shopping Mall	16,527,511.38	16,498,463.14	4,048,663.47	03/08/2021	16,626.51		38,196.97
3/12/2021	300571016	29	HGI Shreveport & HI Natchez	11,965,806.07	11,930,493.44	6,393,542.78	11/06/2020	29,612.76		236,711.26
3/12/2021	300880041	41	O'Malley Square	9,186,890.27	9,167,868.08	2,307,946.78	12/07/2020	10,285.75		44,081.78
3/12/2021	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	24,409,883.59	02/08/2021	93,028.78		909,561.21
2/12/2021	300571017	20	Walpole Shopping Mall	16,549,161.16	16,527,511.38	4,744,236.48	02/08/2021	21,570.46		21,570.46


Reports Available at sf.citidirect.com	v. 21.09.28	Page 21 of 47	© Copyright 2023 Citigroup

Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

HISTORICAL APPRAISAL REDUCTION DETAIL

December 12, 2023


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

2/12/2021	300571016	29	HGI Shreveport & HI Natchez	11,995,010.47	11,965,806.07	6,393,542.78	11/06/2020	32,785.55	207,098.50
2/12/2021	300880041	41	O'Malley Square	9,201,438.37	9,186,890.27	2,307,946.78	12/07/2020	11,387.79	33,796.03
2/12/2021	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	24,409,883.59	02/08/2021	102,996.15	816,532.43
1/12/2021	300571017	20	Walpole Shopping Mall	16,570,712.58	16,549,161.16	-	10/06/2020	-	-
1/12/2021	300571016	29	HGI Shreveport & HI Natchez	12,024,065.37	11,995,010.47	6,393,542.78	11/06/2020	32,785.56	174,312.95
1/12/2021	300880041	41	O'Malley Square	9,215,914.79	9,201,438.37	2,307,946.78	12/07/2020	11,387.79	22,408.24
1/12/2021	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	9,531,467.81	08/06/2019	40,217.50	713,536.28
12/11/2020	300571017	20	Walpole Shopping Mall	16,594,598.08	16,570,712.58	-	10/06/2020	-	-
12/11/2020	300571016	29	HGI Shreveport & HI Natchez	12,054,962.09	12,024,065.37	6,393,542.78	11/06/2020	31,727.96	141,527.39
12/11/2020	300880041	41	O'Malley Square	9,231,787.14	9,215,914.79	2,307,946.78	12/07/2020	11,020.45	11,020.45
12/11/2020	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	9,531,467.81	08/06/2019	38,920.16	673,318.78
11/13/2020	300571017	20	Walpole Shopping Mall	16,615,943.07	16,594,598.08	-	10/06/2020	-	-
11/13/2020	300571016	29	HGI Shreveport & HI Natchez	12,083,710.11	12,054,962.09	6,393,542.78	11/06/2020	32,785.56	109,799.43
11/13/2020	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	9,531,467.81	08/06/2019	40,217.50	634,398.62
10/13/2020	300571017	20	Walpole Shopping Mall	16,639,629.68	16,615,943.07	-	10/06/2020	-	-
10/13/2020	300571016	29	HGI Shreveport & HI Natchez	12,114,311.32	12,083,710.11	3,057,305.50	06/08/2020	15,029.32	77,013.87
10/13/2020	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	9,531,467.81	08/06/2019	38,920.16	594,181.12
9/14/2020	300571016	29	HGI Shreveport & HI Natchez	12,142,755.55	12,114,311.32	3,057,305.50	06/08/2020	15,566.76	61,984.55
9/14/2020	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	9,531,467.81	08/06/2019	40,217.50	555,260.96
8/12/2020	300571016	29	HGI Shreveport & HI Natchez	12,171,054.18	12,142,755.55	3,057,305.50	06/08/2020	15,603.04	46,417.79
8/12/2020	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	9,531,467.81	08/06/2019	40,217.50	515,043.46
7/10/2020	300571016	29	HGI Shreveport & HI Natchez	12,201,222.65	12,171,054.18	3,057,305.50	06/08/2020	15,137.14	30,814.75
7/10/2020	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	9,531,467.81	08/06/2019	38,920.16	474,825.96
6/12/2020	300571016	29	HGI Shreveport & HI Natchez	12,229,221.99	12,201,222.65	3,057,305.50	06/08/2020	15,677.61	15,677.61
6/12/2020	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	9,531,467.81	08/06/2019	40,217.50	435,905.80
5/12/2020	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	9,531,467.81	08/06/2019	38,920.16	395,688.30
4/10/2020	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	9,531,467.81	08/06/2019	40,217.50	356,768.14
3/12/2020	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	9,531,467.81	08/06/2019	37,622.82	316,550.64
2/12/2020	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	9,531,467.81	08/06/2019	40,217.50	278,927.82
1/10/2020	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	9,531,467.81	08/06/2019	40,217.50	238,710.32
12/12/2019	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	9,531,467.81	08/06/2019	38,920.16	198,492.82
11/13/2019	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	9,531,467.81	08/06/2019	40,217.50	159,572.66
10/11/2019	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	9,531,467.81	08/06/2019	38,920.16	119,355.16


Reports Available at sf.citidirect.com	v. 21.09.28	Page 22 of 47	© Copyright 2023 Citigroup

Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

HISTORICAL APPRAISAL REDUCTION DETAIL

December 12, 2023


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

9/12/2019	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	9,531,467.81	08/06/2019	40,217.50		80,435.00
8/12/2019	300571010	6	735 Sixth Avenue	34,000,000.00	34,000,000.00	9,531,467.81	08/06/2019	40,217.50		40,217.50
2/12/2019	625100033	67	City Centre Building	4,588,481.20	-	-		-		350,616.33
1/11/2019	625100033	67	City Centre Building	4,598,621.66	4,588,481.20	3,708,614.24	04/06/2018	16,989.58		350,616.33
12/12/2018	625100033	67	City Centre Building	4,609,396.31	4,598,621.66	3,708,614.24	04/06/2018	16,441.52		333,626.75
11/13/2018	625100033	67	City Centre Building	4,619,441.04	4,609,396.31	3,708,614.24	04/06/2018	16,989.57		317,185.23
10/15/2018	625100033	67	City Centre Building	4,630,123.45	4,619,441.04	3,708,614.24	04/06/2018	16,441.52		300,195.66
9/12/2018	625100033	67	City Centre Building	4,640,073.31	4,630,123.45	3,708,614.24	04/06/2018	16,989.57		283,754.14
8/10/2018	625100033	67	City Centre Building	4,649,977.62	4,640,073.31	3,708,614.24	04/06/2018	16,989.58		266,764.57
7/12/2018	625100033	67	City Centre Building	4,660,524.74	4,649,977.62	3,708,614.24	04/06/2018	16,441.52		249,774.99
6/12/2018	625100033	67	City Centre Building	4,670,335.44	4,660,524.74	3,708,614.24	04/06/2018	16,989.58		233,333.47
5/11/2018	625100033	67	City Centre Building	4,680,792.37	4,670,335.44	3,708,614.24	04/06/2018	16,441.53		216,343.89
4/12/2018	625100033	67	City Centre Building	4,690,510.30	4,680,792.37	3,708,614.24	04/06/2018	16,989.57		199,902.36
3/12/2018	625100033	67	City Centre Building	4,702,266.68	4,690,510.30	2,424,477.27	07/06/2017	10,031.95		182,912.79
2/12/2018	625100033	67	City Centre Building	4,711,886.32	4,702,266.68	2,424,477.27	07/06/2017	11,106.80		172,880.84
1/12/2018	625100033	67	City Centre Building	4,721,461.92	4,711,886.32	2,424,477.27	07/06/2017	11,106.80		161,774.04
12/12/2017	625100033	67	City Centre Building	4,731,692.35	4,721,461.92	2,424,477.27	07/06/2017	10,748.52		150,667.24
11/10/2017	625100033	67	City Centre Building	4,741,177.30	4,731,692.35	2,424,477.27	07/06/2017	11,106.80		139,918.72
10/13/2017	625100033	67	City Centre Building	4,751,320.38	4,741,177.30	2,424,477.27	07/06/2017	10,748.52		128,811.92
9/12/2017	625100033	67	City Centre Building	4,760,715.48	4,751,320.38	2,424,477.27	07/06/2017	11,106.80		118,063.40
8/11/2017	625100033	67	City Centre Building	4,770,067.58	4,760,715.48	2,424,477.27	07/06/2017	11,106.80		106,956.60
7/12/2017	625100033	67	City Centre Building	4,780,082.67	4,770,067.58	2,424,477.27	01/05/2016	10,748.52		95,849.80
6/12/2017	625100033	67	City Centre Building	4,789,346.12	4,780,082.67	1,360,849.73	06/06/2016	6,234.20		85,101.28
5/12/2017	300571019	60	Canal Street Storage	5,564,089.61	-	-	05/09/2017	(7,189.34	)	-
5/12/2017	625100033	67	City Centre Building	4,799,275.80	4,789,346.12	1,360,849.73	06/06/2016	6,033.10		78,867.08
4/12/2017	300571019	60	Canal Street Storage	5,573,519.35	5,564,089.61	-	04/07/2017	-		7,189.34
4/12/2017	625100033	67	City Centre Building	4,808,451.40	4,799,275.80	1,360,849.73	06/06/2016	6,234.20		72,833.98
3/10/2017	300571019	60	Canal Street Storage	5,585,722.12	5,573,519.35	-	03/07/2017	-		7,189.34
3/10/2017	625100033	67	City Centre Building	4,819,719.96	4,808,451.40	1,360,849.73	06/06/2016	5,630.89		66,599.78
2/10/2017	300571019	60	Canal Street Storage	5,595,038.91	5,585,722.12	-	02/07/2017	-		7,189.34
2/10/2017	625100033	67	City Centre Building	4,828,801.98	4,819,719.96	1,360,849.73	06/06/2016	6,234.20		60,968.89
1/12/2017	300571019	60	Canal Street Storage	5,604,307.06	5,595,038.91	-	01/06/2017	-		7,189.34
1/12/2017	625100033	67	City Centre Building	4,837,842.43	4,828,801.98	1,360,849.73	06/06/2016	6,234.20		54,734.69


Reports Available at sf.citidirect.com	v. 21.09.28	Page 23 of 47	© Copyright 2023 Citigroup

Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

HISTORICAL APPRAISAL REDUCTION DETAIL

December 12, 2023


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

12/12/2016	300571019	60	Canal Street Storage	5,614,472.42	5,604,307.06	-	12/07/2016	-		7,189.34
12/12/2016	625100033	67	City Centre Building	4,847,557.26	4,837,842.43	1,360,849.73	06/06/2016	6,033.10		48,500.49
11/14/2016	300571019	60	Canal Street Storage	5,623,639.11	5,614,472.42	-	08/08/2016	-		7,189.34
11/14/2016	625100033	67	City Centre Building	4,856,511.86	4,847,557.26	1,360,849.73	06/06/2016	6,234.20		42,467.39
10/13/2016	300571019	60	Canal Street Storage	5,633,706.77	5,623,639.11	-	08/08/2016	-		7,189.34
10/13/2016	625100033	67	City Centre Building	4,866,143.98	4,856,511.86	1,360,849.73	06/06/2016	6,033.10		36,233.19
9/12/2016	300571019	60	Canal Street Storage	5,642,773.03	5,633,706.77	-	08/06/2016	-		7,189.34
9/12/2016	625100033	67	City Centre Building	4,875,013.50	4,866,143.98	1,360,849.73	06/06/2016	6,234.20		30,200.09
8/12/2016	300571019	60	Canal Street Storage	5,651,791.96	5,642,773.03	-		-		7,189.34
8/12/2016	625100033	67	City Centre Building	4,883,842.42	4,875,013.50	1,360,849.73	06/06/2016	6,234.21		23,965.89
7/12/2016	300571019	60	Canal Street Storage	5,661,717.35	5,651,791.96	1,420,116.88	05/06/2016	(7,428.99	)	7,189.34
7/12/2016	625100033	67	City Centre Building	4,893,353.46	4,883,842.42	1,360,849.73	06/06/2016	6,033.10		17,731.68
6/10/2016	300571019	60	Canal Street Storage	5,670,637.37	5,661,717.35	1,420,116.88	06/06/2016	7,428.99		14,618.33
6/10/2016	625100033	67	City Centre Building	4,902,098.44	4,893,353.46	1,360,849.73	06/06/2016	6,234.20		11,698.58
5/12/2016	300571019	60	Canal Street Storage	5,680,467.53	5,670,637.37	1,420,116.88	05/06/2016	7,189.34		7,189.34
5/12/2016	625100033	67	City Centre Building	4,911,528.60	4,902,098.44	1,232,567.12	03/07/2016	5,464.38		5,464.38


Reports Available at sf.citidirect.com	v. 21.09.28	Page 24 of 47	© Copyright 2023 Citigroup

Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

LOAN MODIFICATION DETAIL

December 12, 2023


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

No Loans with Modification Activity to Report.


Reports Available at sf.citidirect.com	v. 21.09.28	Page 25 of 47	© Copyright 2023 Citigroup

Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

HISTORICAL LOAN MODIFICATION DETAIL

December 12, 2023


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

10/13/2023	300571013	9	Parkway Centre East	08/06/2020	8
09/12/2023	695100183	68	Hampton Inn Rockwall	04/16/2020	8
09/12/2023	300571013	9	Parkway Centre East	08/06/2020	8
08/11/2023	695100183	68	Hampton Inn Rockwall	04/16/2020	8
08/11/2023	300571013	9	Parkway Centre East	08/06/2020	8
07/12/2023	695100183	68	Hampton Inn Rockwall	04/16/2020	8
07/12/2023	300571013	9	Parkway Centre East	08/06/2020	8
06/12/2023	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
06/12/2023	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
06/12/2023	695100183	68	Hampton Inn Rockwall	04/16/2020	8
06/12/2023	300571013	9	Parkway Centre East	08/06/2020	8
05/12/2023	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
05/12/2023	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
05/12/2023	695100183	68	Hampton Inn Rockwall	04/16/2020	8
05/12/2023	300571013	9	Parkway Centre East	08/06/2020	8
04/13/2023	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
04/13/2023	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
04/13/2023	695100183	68	Hampton Inn Rockwall	04/16/2020	8
04/13/2023	300571013	9	Parkway Centre East	08/06/2020	8
03/10/2023	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
03/10/2023	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
03/10/2023	695100183	68	Hampton Inn Rockwall	04/16/2020	8
03/10/2023	300571013	9	Parkway Centre East	08/06/2020	8
02/10/2023	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
02/10/2023	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
02/10/2023	695100183	68	Hampton Inn Rockwall	04/16/2020	8
02/10/2023	300571013	9	Parkway Centre East	08/06/2020	8
01/12/2023	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
01/12/2023	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
01/12/2023	695100183	68	Hampton Inn Rockwall	04/16/2020	8
01/12/2023	300571013	9	Parkway Centre East	08/06/2020	8
12/12/2022	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
12/12/2022	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8


Reports Available at sf.citidirect.com	v. 21.09.28	Page 26 of 47	© Copyright 2023 Citigroup

Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

HISTORICAL LOAN MODIFICATION DETAIL

December 12, 2023


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

12/12/2022	695100183	68	Hampton Inn Rockwall	04/16/2020	8
12/12/2022	300571013	9	Parkway Centre East	08/06/2020	8
11/14/2022	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
11/14/2022	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
11/14/2022	695100183	68	Hampton Inn Rockwall	04/16/2020	8
11/14/2022	300571013	9	Parkway Centre East	08/06/2020	8
10/13/2022	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
10/13/2022	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
10/13/2022	695100183	68	Hampton Inn Rockwall	04/16/2020	8
10/13/2022	300571013	9	Parkway Centre East	08/06/2020	8
09/12/2022	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
09/12/2022	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
09/12/2022	695100183	68	Hampton Inn Rockwall	04/16/2020	8
09/12/2022	300571013	9	Parkway Centre East	08/06/2020	8
08/12/2022	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
08/12/2022	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
08/12/2022	695100183	68	Hampton Inn Rockwall	04/16/2020	8
08/12/2022	300571013	9	Parkway Centre East	08/06/2020	8
07/12/2022	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
07/12/2022	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
07/12/2022	695100183	68	Hampton Inn Rockwall	04/16/2020	8
07/12/2022	300571013	9	Parkway Centre East	08/06/2020	8
06/10/2022	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
06/10/2022	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
06/10/2022	695100183	68	Hampton Inn Rockwall	04/16/2020	8
06/10/2022	300571013	9	Parkway Centre East	08/06/2020	8
05/12/2022	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
05/12/2022	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
05/12/2022	695100183	68	Hampton Inn Rockwall	04/16/2020	8
05/12/2022	300571013	9	Parkway Centre East	08/06/2020	8
04/12/2022	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
04/12/2022	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
04/12/2022	695100183	68	Hampton Inn Rockwall	04/16/2020	8


Reports Available at sf.citidirect.com	v. 21.09.28	Page 27 of 47	© Copyright 2023 Citigroup

Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

HISTORICAL LOAN MODIFICATION DETAIL

December 12, 2023


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

04/12/2022	300571013	9	Parkway Centre East	08/06/2020	8
03/11/2022	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
03/11/2022	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
03/11/2022	695100183	68	Hampton Inn Rockwall	04/16/2020	8
03/11/2022	300571013	9	Parkway Centre East	08/06/2020	8
02/11/2022	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
02/11/2022	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
02/11/2022	695100183	68	Hampton Inn Rockwall	04/16/2020	8
02/11/2022	300571013	9	Parkway Centre East	08/06/2020	8
01/12/2022	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
01/12/2022	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
01/12/2022	695100183	68	Hampton Inn Rockwall	04/16/2020	8
01/12/2022	300571013	9	Parkway Centre East	08/06/2020	8
12/10/2021	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
12/10/2021	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
12/10/2021	695100183	68	Hampton Inn Rockwall	04/16/2020	8
12/10/2021	300571013	9	Parkway Centre East	08/06/2020	8
11/15/2021	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
11/15/2021	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
11/15/2021	695100183	68	Hampton Inn Rockwall	04/16/2020	8
11/15/2021	300571013	9	Parkway Centre East	08/06/2020	8
10/13/2021	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
10/13/2021	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
10/13/2021	695100183	68	Hampton Inn Rockwall	04/16/2020	8
10/13/2021	300571013	9	Parkway Centre East	08/06/2020	8
09/13/2021	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
09/13/2021	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
09/13/2021	695100183	68	Hampton Inn Rockwall	04/16/2020	8
09/13/2021	300571013	9	Parkway Centre East	08/06/2020	8
08/12/2021	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
08/12/2021	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
08/12/2021	695100183	68	Hampton Inn Rockwall	04/16/2020	8
08/12/2021	300571013	9	Parkway Centre East	08/06/2020	8


Reports Available at sf.citidirect.com	v. 21.09.28	Page 28 of 47	© Copyright 2023 Citigroup

Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

HISTORICAL LOAN MODIFICATION DETAIL

December 12, 2023


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

07/12/2021	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
07/12/2021	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
07/12/2021	695100183	68	Hampton Inn Rockwall	04/16/2020	8
07/12/2021	300571013	9	Parkway Centre East	08/06/2020	8
06/11/2021	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
06/11/2021	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
06/11/2021	695100183	68	Hampton Inn Rockwall	04/16/2020	8
06/11/2021	300571013	9	Parkway Centre East	08/06/2020	8
05/12/2021	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
05/12/2021	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
05/12/2021	695100183	68	Hampton Inn Rockwall	04/16/2020	8
05/12/2021	300571013	9	Parkway Centre East	08/06/2020	8
04/12/2021	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
04/12/2021	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
04/12/2021	695100183	68	Hampton Inn Rockwall	04/16/2020	8
04/12/2021	300571013	9	Parkway Centre East	08/06/2020	8
03/12/2021	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
03/12/2021	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
03/12/2021	695100183	68	Hampton Inn Rockwall	04/16/2020	8
03/12/2021	300571013	9	Parkway Centre East	08/06/2020	8
02/12/2021	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
02/12/2021	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
02/12/2021	695100183	68	Hampton Inn Rockwall	04/16/2020	8
02/12/2021	300571013	9	Parkway Centre East	08/06/2020	8
01/12/2021	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
01/12/2021	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
01/12/2021	695100183	68	Hampton Inn Rockwall	04/16/2020	8
01/12/2021	300571013	9	Parkway Centre East	08/06/2020	8
12/11/2020	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8
12/11/2020	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
12/11/2020	695100183	68	Hampton Inn Rockwall	04/16/2020	8
12/11/2020	300571013	9	Parkway Centre East	08/06/2020	8
11/13/2020	300880032	32	Hampton Inn & Suites Folsom	11/05/2020	8


Reports Available at sf.citidirect.com	v. 21.09.28	Page 29 of 47	© Copyright 2023 Citigroup

Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

HISTORICAL LOAN MODIFICATION DETAIL

December 12, 2023


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

11/13/2020	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
11/13/2020	695100183	68	Hampton Inn Rockwall	04/16/2020	8
11/13/2020	300571013	9	Parkway Centre East	08/06/2020	8
10/13/2020	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
10/13/2020	695100183	68	Hampton Inn Rockwall	04/16/2020	8
10/13/2020	300571013	9	Parkway Centre East	08/06/2020	8
09/14/2020	300880050	50	Holiday Inn & Suites Stockbridge	05/01/2020	8
09/14/2020	695100183	68	Hampton Inn Rockwall	04/16/2020	8
08/12/2020	695100183	68	Hampton Inn Rockwall	04/16/2020	8


Reports Available at sf.citidirect.com	v. 21.09.28	Page 30 of 47	© Copyright 2023 Citigroup

Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

SPECIALLY SERVICED LOAN DETAIL

December 12, 2023


			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

300571010	6	7	7,083.33	34,000,000.00	34,000,000.00	16,200,000.00	01/13/2023	02/21/2019
300880041	41	7	3,500.00	8,685,834.60	9,153,153.76	12,600,000.00	01/25/2023	08/11/2020
300880046	46	13	3,500.00	8,238,606.99	8,253,415.61	12,800,000.00	06/06/2013	07/21/2023
625100034	79	13	3,500.00	3,431,401.05	3,461,485.54	6,240,000.00	07/02/2013	09/20/2023
695100181	31	13	3,500.00	11,164,650.45	11,287,427.45	7,700,000.00	06/14/2023	03/14/2023
Total	Count = 5		21,083.33	65,520,493.09	66,155,482.36	55,540,000.00


Reports Available at sf.citidirect.com	v. 21.09.28	Page 31 of 47	© Copyright 2023 Citigroup

Citigroup Commercial Mortgage Trust 2013-GC15

Commercial Mortgage Pass-Through Certificates, Series 2013-GC15

HISTORICAL SPECIALLY SERVICED LOANS


December 12, 2023




Most Recent	Most Recent
Servicer	Master Servicer


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

08/12/2021	300571007	38	8	-		9,567,358.86	9,567,358.86	17,000,000.00	11/23/2020	06/10/2020	07/07/2021
07/12/2021	300571007	38	98	(42,000.00	)	9,591,846.70	9,591,846.70	17,000,000.00	11/23/2020	06/10/2020
06/11/2021	300571007	38	98	3,500.00		9,617,813.14	9,617,813.14	17,000,000.00	11/23/2020	06/10/2020
05/12/2021	300571007	38	98	3,500.00		9,642,039.92	9,667,754.99	17,000,000.00	11/23/2020	06/10/2020
04/12/2021	300571007	38	98	3,500.00		9,667,754.99	9,667,754.99	17,000,000.00	11/23/2020	06/10/2020
03/12/2021	300571007	38	98	3,500.00		9,691,723.36	9,691,723.36	17,000,000.00	11/23/2020	06/10/2020
02/12/2021	300571007	38	98	3,500.00		9,720,435.02	9,720,435.02	17,000,000.00	11/23/2020	06/10/2020
01/12/2021	300571007	38	98	3,500.00		9,744,130.81	9,744,130.81	17,000,000.00	11/23/2020	06/10/2020
12/11/2020	300571007	38	98	3,500.00		9,767,704.00	9,767,704.00	17,100,000.00	06/19/2013	06/10/2020
11/13/2020	300571007	38	98	3,500.00		9,792,789.73	9,864,026.65	17,100,000.00	06/19/2013	06/10/2020
10/13/2020	300571007	38	98	3,500.00		9,816,111.15	9,864,026.65	17,100,000.00	06/19/2013	06/10/2020
09/14/2020	300571007	38	98	3,500.00		9,840,954.45	9,958,427.22	17,100,000.00	06/19/2013	06/10/2020
08/12/2020	300571007	38	98	3,500.00		9,864,026.65	9,958,427.22	17,100,000.00	06/19/2013	06/10/2020
07/10/2020	300571007	38	13	3,500.00		9,886,979.47	9,980,891.59	17,100,000.00	06/19/2013	06/10/2020
12/12/2023	300571010	6	7	7,083.33		34,000,000.00	34,000,000.00	16,200,000.00	01/13/2023	02/21/2019
11/10/2023	300571010	6	7	7,319.44		34,000,000.00	34,000,000.00	16,200,000.00	01/13/2023	02/21/2019
10/13/2023	300571010	6	7	7,083.33		34,000,000.00	34,000,000.00	16,200,000.00	01/13/2023	02/21/2019
09/12/2023	300571010	6	7	7,319.44		34,000,000.00	34,000,000.00	16,200,000.00	01/13/2023	02/21/2019
08/11/2023	300571010	6	7	7,319.44		34,000,000.00	34,000,000.00	16,200,000.00	01/13/2023	02/21/2019
07/12/2023	300571010	6	7	7,083.33		34,000,000.00	34,000,000.00	16,200,000.00	01/13/2023	02/21/2019
06/12/2023	300571010	6	7	7,319.44		34,000,000.00	34,000,000.00	16,200,000.00	01/13/2023	02/21/2019
05/12/2023	300571010	6	2	7,083.33		34,000,000.00	34,000,000.00	16,200,000.00	01/13/2023	02/21/2019
04/13/2023	300571010	6	2	7,319.44		34,000,000.00	34,000,000.00	16,200,000.00	01/13/2023	02/21/2019
03/10/2023	300571010	6	2	6,611.11		34,000,000.00	34,000,000.00	16,200,000.00	01/13/2023	02/21/2019
02/10/2023	300571010	6	2	7,319.44		34,000,000.00	34,000,000.00	15,500,000.00	02/15/2022	02/21/2019
01/12/2023	300571010	6	2	7,319.44		34,000,000.00	34,000,000.00	15,500,000.00	02/15/2022	02/21/2019
12/12/2022	300571010	6	2	7,083.33		34,000,000.00	34,000,000.00	15,500,000.00	02/15/2022	02/21/2019
11/14/2022	300571010	6	2	7,319.44		34,000,000.00	34,000,000.00	15,500,000.00	02/15/2022	02/21/2019
10/13/2022	300571010	6	2	7,083.33		34,000,000.00	34,000,000.00	15,500,000.00	02/15/2022	02/21/2019
09/12/2022	300571010	6	2	7,319.44		34,000,000.00	34,000,000.00	15,500,000.00	02/15/2022	02/21/2019
08/12/2022	300571010	6	2	7,319.44		34,000,000.00	34,000,000.00	15,500,000.00	02/15/2022	02/21/2019
07/12/2022	300571010	6	2	7,083.33		34,000,000.00	34,000,000.00	15,500,000.00	02/15/2022	02/21/2019


Reports Available at sf.citidirect.com	v. 21.09.28	Page 32 of 47	© Copyright 2023 Citigroup


Citigroup Commercial Mortgage Trust 2013-GC15
Commercial Mortgage Pass-Through Certificates, Series 2013-GC15									December 12, 2023

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

06/10/2022	300571010	6	2	7,319.44	34,000,000.00	34,000,000.00	15,500,000.00	02/15/2022	02/21/2019
05/12/2022	300571010	6	2	7,083.33	34,000,000.00	34,000,000.00	15,500,000.00	02/15/2022	02/21/2019
04/12/2022	300571010	6	2	7,319.44	34,000,000.00	34,000,000.00	15,500,000.00	02/15/2022	02/21/2019
03/11/2022	300571010	6	2	6,611.11	34,000,000.00	34,000,000.00	14,000,000.00	03/18/2020	02/21/2019
02/11/2022	300571010	6	2	7,319.44	34,000,000.00	34,000,000.00	14,000,000.00	03/18/2020	02/21/2019
01/12/2022	300571010	6	2	7,319.44	34,000,000.00	34,000,000.00	14,000,000.00	03/18/2020	02/21/2019
12/10/2021	300571010	6	2	7,083.33	34,000,000.00	34,000,000.00	14,000,000.00	03/18/2020	02/21/2019
11/15/2021	300571010	6	2	7,319.44	34,000,000.00	34,000,000.00	14,000,000.00	03/18/2020	02/21/2019
10/13/2021	300571010	6	2	7,083.33	34,000,000.00	34,000,000.00	14,000,000.00	03/18/2020	02/21/2019
09/13/2021	300571010	6	2	7,319.44	34,000,000.00	34,000,000.00	14,000,000.00	03/18/2020	02/21/2019
08/12/2021	300571010	6	2	7,319.44	34,000,000.00	34,000,000.00	14,000,000.00	03/18/2020	02/21/2019
07/12/2021	300571010	6	2	7,083.33	34,000,000.00	34,000,000.00	14,000,000.00	03/18/2020	02/21/2019
06/11/2021	300571010	6	2	7,319.44	34,000,000.00	34,000,000.00	14,000,000.00	03/18/2020	02/21/2019
05/12/2021	300571010	6	2	7,083.33	34,000,000.00	34,000,000.00	14,000,000.00	03/18/2020	02/21/2019
04/12/2021	300571010	6	2	7,319.44	34,000,000.00	34,000,000.00	14,000,000.00	03/18/2020	02/21/2019
03/12/2021	300571010	6	2	6,611.11	34,000,000.00	34,000,000.00	14,000,000.00	03/18/2020	02/21/2019
02/12/2021	300571010	6	2	7,319.44	34,000,000.00	34,000,000.00	14,000,000.00	03/18/2020	02/21/2019
01/12/2021	300571010	6	2	7,319.44	34,000,000.00	34,000,000.00	27,000,000.00	03/22/2019	02/21/2019
12/11/2020	300571010	6	2	7,083.33	34,000,000.00	34,000,000.00	27,000,000.00	03/22/2019	02/21/2019
11/13/2020	300571010	6	2	7,319.44	34,000,000.00	34,000,000.00	27,000,000.00	03/22/2019	02/21/2019
10/13/2020	300571010	6	13	7,083.33	34,000,000.00	34,000,000.00	27,000,000.00	03/22/2019	02/21/2019
09/14/2020	300571010	6	13	7,319.44	34,000,000.00	34,000,000.00	27,000,000.00	03/22/2019	02/21/2019
08/12/2020	300571010	6	13	7,319.44	34,000,000.00	34,000,000.00	27,000,000.00	03/22/2019	02/21/2019
07/10/2020	300571010	6	13	7,083.33	34,000,000.00	34,000,000.00	27,000,000.00	03/22/2019	02/21/2019
06/12/2020	300571010	6	13	7,319.44	34,000,000.00	34,000,000.00	27,000,000.00	03/22/2019	02/21/2019
05/12/2020	300571010	6	13	7,083.33	34,000,000.00	34,000,000.00	27,000,000.00	03/22/2019	02/21/2019
04/10/2020	300571010	6	13	7,319.44	34,000,000.00	34,000,000.00	27,000,000.00	03/22/2019	02/21/2019
03/12/2020	300571010	6	13	6,847.22	34,000,000.00	34,000,000.00	27,000,000.00	03/22/2019	02/21/2019
02/12/2020	300571010	6	13	7,319.44	34,000,000.00	34,000,000.00	27,000,000.00	03/22/2019	02/21/2019
01/10/2020	300571010	6	13	7,319.44	34,000,000.00	34,000,000.00	27,000,000.00	03/22/2019	02/21/2019
12/12/2019	300571010	6	13	7,083.33	34,000,000.00	34,000,000.00	27,000,000.00	03/22/2019	02/21/2019
11/13/2019	300571010	6	13	7,319.44	34,000,000.00	34,000,000.00	27,000,000.00	03/22/2019	02/21/2019
Reports Available at sf.citidirect.com			v. 21.09.28		Page 33 of 47				© Copyright 2023 Citigroup


Citigroup Commercial Mortgage Trust 2013-GC15
Commercial Mortgage Pass-Through Certificates, Series 2013-GC15										December 12, 2023

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

10/11/2019	300571010	6	13	7,083.33		34,000,000.00	34,000,000.00	27,000,000.00	03/22/2019	02/21/2019
09/12/2019	300571010	6	13	7,319.44		34,000,000.00	34,000,000.00	27,000,000.00	03/22/2019	02/21/2019
08/12/2019	300571010	6	13	7,319.44		34,000,000.00	34,000,000.00	27,000,000.00	03/22/2019	02/21/2019
07/12/2019	300571010	6	13	7,083.33		34,000,000.00	34,000,000.00	27,000,000.00	03/22/2019	02/21/2019
06/12/2019	300571010	6	13	7,319.44		34,000,000.00	34,000,000.00	27,000,000.00	03/22/2019	02/21/2019
05/10/2019	300571010	6	13	7,083.33		34,000,000.00	34,000,000.00	45,500,000.00	06/25/2013	02/21/2019
04/12/2019	300571010	6	13	7,319.44		34,000,000.00	34,000,000.00	45,500,000.00	06/25/2013	02/21/2019
03/12/2019	300571010	6	13	3,500.00		34,000,000.00	34,000,000.00	45,500,000.00	06/25/2013	02/21/2019
07/12/2022	300571016	29	7	(14,000.00	)	-	-	4,700,000.00	02/10/2022	02/11/2020
06/10/2022	300571016	29	7	3,500.00		8,759,291.72	8,994,897.42	4,700,000.00	02/10/2022	02/11/2020
05/12/2022	300571016	29	7	3,500.00		8,804,909.63	9,039,309.31	4,700,000.00	02/10/2022	02/11/2020
04/12/2022	300571016	29	7	3,500.00		8,851,755.65	9,039,309.31	4,700,000.00	02/10/2022	02/11/2020
03/11/2022	300571016	29	7	(80,500.00	)	8,896,900.25	9,039,309.31	4,300,000.00	01/06/2022	02/11/2020
02/11/2022	300571016	29	7	3,500.00		8,994,897.42	9,039,309.31	4,300,000.00	01/06/2022	02/11/2020
01/12/2022	300571016	29	7	3,500.00		9,039,309.31	9,039,309.31	4,300,000.00	01/06/2022	02/11/2020
12/10/2021	300571016	29	7	3,500.00		11,651,156.73	12,373,093.18	9,400,000.00	03/12/2021	02/11/2020
11/15/2021	300571016	29	7	3,500.00		11,683,901.03	12,373,093.18	9,400,000.00	03/12/2021	02/11/2020
10/13/2021	300571016	29	7	3,500.00		11,714,548.44	12,373,093.18	9,400,000.00	03/12/2021	02/11/2020
09/13/2021	300571016	29	7	3,500.00		11,746,978.67	12,373,093.18	9,400,000.00	03/12/2021	02/11/2020
08/12/2021	300571016	29	7	3,500.00		11,777,303.20	12,373,093.18	9,400,000.00	03/12/2021	02/11/2020
07/12/2021	300571016	29	7	3,500.00		11,807,472.50	12,373,093.18	9,400,000.00	03/12/2021	02/11/2020
06/11/2021	300571016	29	7	3,500.00		11,839,442.33	12,373,093.18	9,400,000.00	03/12/2021	02/11/2020
05/12/2021	300571016	29	7	3,500.00		11,869,293.56	12,373,093.18	9,400,000.00	03/12/2021	02/11/2020
04/12/2021	300571016	29	7	3,500.00		11,900,957.10	12,373,093.18	7,800,000.00	04/22/2020	02/11/2020
03/12/2021	300571016	29	7	3,500.00		11,930,493.44	12,373,093.18	7,800,000.00	04/22/2020	02/11/2020
02/12/2021	300571016	29	7	3,500.00		11,965,806.07	12,373,093.18	7,800,000.00	04/22/2020	02/11/2020
01/12/2021	300571016	29	7	3,500.00		11,995,010.47	12,373,093.18	7,800,000.00	04/22/2020	02/11/2020
12/11/2020	300571016	29	7	3,500.00		12,024,065.37	12,373,093.18	7,800,000.00	04/22/2020	02/11/2020
11/13/2020	300571016	29	2	3,500.00		12,054,962.09	12,373,093.18	7,800,000.00	04/22/2020	02/11/2020
10/13/2020	300571016	29	2	3,500.00		12,083,710.11	12,373,093.18	20,500,000.00	07/02/2013	02/11/2020
09/14/2020	300571016	29	2	3,500.00		12,114,311.32	12,373,093.18	20,500,000.00	07/02/2013	02/11/2020
08/12/2020	300571016	29	2	3,500.00		12,142,755.55	12,373,093.18	20,500,000.00	07/02/2013	02/11/2020
Reports Available at sf.citidirect.com			v. 21.09.28			Page 34 of 47				© Copyright 2023 Citigroup


Citigroup Commercial Mortgage Trust 2013-GC15
Commercial Mortgage Pass-Through Certificates, Series 2013-GC15										December 12, 2023

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

07/10/2020	300571016	29	2	3,500.00		12,171,054.18	12,373,093.18	20,500,000.00	07/02/2013	02/11/2020
06/12/2020	300571016	29	2	3,500.00		12,201,222.65	12,402,260.65	20,500,000.00	07/02/2013	02/11/2020
05/12/2020	300571016	29	2	3,500.00		12,229,221.99	12,402,260.65	20,500,000.00	07/02/2013	02/11/2020
04/10/2020	300571016	29	2	3,500.00		12,259,102.27	12,402,260.65	20,500,000.00	07/02/2013	02/11/2020
03/12/2020	300571016	29	2	3,500.00		12,286,805.34	12,402,260.65	20,500,000.00	07/02/2013	02/11/2020
11/15/2021	300571017	20	8	(7,026.93	)	16,313,216.15	16,313,216.15	50,900,000.00	07/19/2020	05/05/2020	10/28/2021
10/13/2021	300571017	20	1	(31.73	)	16,335,839.50	16,360,757.80	50,900,000.00	07/19/2020	05/05/2020
09/13/2021	300571017	20	1	(46,052.30	)	16,360,757.80	16,383,165.16	50,900,000.00	07/19/2020	05/05/2020
08/12/2021	300571017	20	1	3,531.73		16,383,165.16	16,476,581.98	50,900,000.00	07/19/2020	05/05/2020
07/12/2021	300571017	20	1	3,500.00		16,405,470.72	16,476,581.98	50,900,000.00	07/19/2020	05/05/2020
06/11/2021	300571017	20	1	3,541.79		16,430,082.83	16,476,581.98	50,900,000.00	07/19/2020	05/05/2020
05/12/2021	300571017	20	1	3,500.00		16,452,175.24	16,769,898.66	50,900,000.00	07/19/2020	05/05/2020
04/12/2021	300571017	20	1	3,551.75		16,476,581.98	16,769,898.66	50,900,000.00	07/19/2020	05/05/2020
03/12/2021	300571017	20	1	3,500.00		16,498,463.14	16,769,898.66	50,900,000.00	07/19/2020	05/05/2020
02/12/2021	300571017	20	1	3,562.67		16,527,511.38	16,769,898.66	50,900,000.00	07/19/2020	05/05/2020
01/12/2021	300571017	20	1	3,567.31		16,549,161.16	16,769,898.66	50,900,000.00	07/19/2020	05/05/2020
12/11/2020	300571017	20	1	3,500.00		16,570,712.58	16,769,898.66	50,900,000.00	07/19/2020	05/05/2020
11/13/2020	300571017	20	1	3,577.04		16,594,598.08	16,769,898.66	50,900,000.00	07/19/2020	05/05/2020
10/13/2020	300571017	20	1	3,500.00		16,615,943.07	16,769,898.66	50,900,000.00	07/19/2020	05/05/2020
09/14/2020	300571017	20	1	3,586.69		16,639,629.68	16,769,898.66	86,000,000.00	05/14/2013	05/05/2020
08/12/2020	300571017	20	1	3,591.22		16,660,770.09	16,769,898.66	86,000,000.00	05/14/2013	05/05/2020
07/10/2020	300571017	20	1	3,500.00		16,681,814.45	16,769,898.66	86,000,000.00	05/14/2013	05/05/2020
06/12/2020	300571017	20	13	3,600.75		16,705,211.41	16,769,898.66	86,000,000.00	05/14/2013	05/05/2020
05/12/2020	300571017	20	13	-		16,726,053.87	16,769,898.66	86,000,000.00	05/14/2013	05/05/2020
05/12/2017	300571019	60	2	(42,000.00	)	-	-	7,800,000.00	06/21/2016	04/01/2016
04/12/2017	300571019	60	2	3,500.00		5,564,089.61	5,573,519.35	7,800,000.00	06/21/2016	04/01/2016
03/10/2017	300571019	60	2	3,500.00		5,573,519.35	5,585,722.12	7,800,000.00	06/21/2016	04/01/2016
02/10/2017	300571019	60	2	3,500.00		5,585,722.12	5,595,038.91	7,800,000.00	06/21/2016
01/12/2017	300571019	60	2	3,500.00		5,595,038.91	5,604,307.06	7,800,000.00	06/21/2016	04/01/2016
12/12/2016	300571019	60	2	3,500.00		5,604,307.06	5,623,639.11	7,800,000.00	06/21/2016	04/01/2016
11/14/2016	300571019	60	2	3,500.00		5,614,472.42	5,633,706.77	7,800,000.00	06/21/2016	04/01/2016
10/13/2016	300571019	60	2	3,500.00		5,623,639.11	5,651,791.96	7,800,000.00	06/21/2016	04/01/2016
Reports Available at sf.citidirect.com			v. 21.09.28			Page 35 of 47				© Copyright 2023 Citigroup


Citigroup Commercial Mortgage Trust 2013-GC15
Commercial Mortgage Pass-Through Certificates, Series 2013-GC15									December 12, 2023

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

09/12/2016	300571019	60	2	3,500.00	5,633,706.77	5,651,791.96	7,800,000.00	06/21/2016	04/01/2016
08/12/2016	300571019	60	1	3,500.00	5,642,773.03	5,651,791.96	7,800,000.00	06/21/2016	04/01/2016
07/12/2016	300571019	60	13	3,500.00	5,651,791.96	5,661,717.35	11,100,000.00	06/20/2013	04/01/2016
06/10/2016	300571019	60	13	3,500.00	5,661,717.35	5,699,985.71	11,100,000.00	06/20/2013	04/01/2016
05/12/2016	300571019	60	13	3,500.00	5,670,637.37	5,699,985.71	11,100,000.00	06/20/2013	04/01/2016
04/12/2016	300571019	60	13	-	5,680,467.53	5,699,985.71	11,100,000.00	06/20/2013	04/01/2016
12/12/2023	300880041	41	7	3,500.00	8,685,834.60	9,153,153.76	12,600,000.00	01/25/2023	08/11/2020
11/10/2023	300880041	41	7	3,500.00	8,685,834.60	9,153,153.76	12,600,000.00	01/25/2023	08/11/2020
10/13/2023	300880041	41	7	3,500.00	8,685,834.60	9,167,868.08	12,600,000.00	01/25/2023	08/11/2020
09/12/2023	300880041	41	7	3,500.00	8,685,834.60	9,167,868.08	12,600,000.00	01/25/2023	08/11/2020
08/11/2023	300880041	41	7	3,500.00	8,685,834.60	9,167,868.08	12,600,000.00	01/25/2023	08/11/2020
07/12/2023	300880041	41	7	3,500.00	8,702,851.40	9,201,438.37	12,600,000.00	01/25/2023	08/11/2020
06/12/2023	300880041	41	7	3,500.00	8,721,170.46	9,201,438.37	12,600,000.00	01/25/2023	08/11/2020
05/12/2023	300880041	41	7	3,500.00	8,738,013.16	9,201,438.37	12,600,000.00	01/25/2023	08/11/2020
04/13/2023	300880041	41	7	3,500.00	8,756,164.54	9,231,787.14	12,600,000.00	01/25/2023	08/11/2020
03/10/2023	300880041	41	7	3,500.00	8,772,834.82	9,231,787.14	12,600,000.00	01/25/2023	08/11/2020
02/10/2023	300880041	41	7	3,500.00	8,793,615.82	9,246,114.03	12,600,000.00	01/25/2023	08/11/2020
01/12/2023	300880041	41	7	3,500.00	8,810,101.58	9,246,114.03	12,600,000.00	08/25/2021	08/11/2020
12/12/2022	300880041	41	7	3,500.00	8,826,506.12	9,246,114.03	12,600,000.00	08/25/2021	08/11/2020
11/14/2022	300880041	41	7	3,500.00	8,844,235.49	9,305,648.56	12,600,000.00	08/25/2021	08/11/2020
10/13/2022	300880041	41	7	3,500.00	8,860,471.85	9,305,648.56	12,600,000.00	08/25/2021	08/11/2020
09/12/2022	300880041	41	7	3,500.00	8,878,039.25	9,305,648.56	12,600,000.00	08/25/2021	08/11/2020
08/12/2022	300880041	41	2	3,500.00	8,894,109.06	9,319,611.54	12,600,000.00	08/25/2021	08/11/2020
07/12/2022	300880041	41	2	3,500.00	8,910,099.69	9,319,611.54	12,600,000.00	08/25/2021	08/11/2020
06/10/2022	300880041	41	2	3,500.00	8,927,430.42	9,319,611.54	12,600,000.00	08/25/2021	08/11/2020
05/12/2022	300880041	41	1	3,500.00	8,943,256.88	9,319,611.54	12,600,000.00	08/25/2021	08/11/2020
04/12/2022	300880041	41	1	3,500.00	8,960,429.49	9,319,611.54	12,600,000.00	08/25/2021	08/11/2020
03/11/2022	300880041	41	1	3,500.00	8,976,093.36	9,319,611.54	12,600,000.00	08/25/2021	08/11/2020
02/11/2022	300880041	41	1	3,500.00	8,995,969.39	9,319,611.54	12,600,000.00	08/25/2021	08/11/2020
01/12/2022	300880041	41	1	3,500.00	9,011,458.16	9,319,611.54	12,600,000.00	08/25/2021	08/11/2020
12/10/2021	300880041	41	1	3,500.00	9,026,870.61	9,319,611.54	12,600,000.00	08/25/2021	08/11/2020
11/15/2021	300880041	41	1	3,500.00	9,043,644.48	9,319,611.54	12,600,000.00	08/25/2021	08/11/2020
Reports Available at sf.citidirect.com			v. 21.09.28		Page 36 of 47				© Copyright 2023 Citigroup


Citigroup Commercial Mortgage Trust 2013-GC15
Commercial Mortgage Pass-Through Certificates, Series 2013-GC15										December 12, 2023

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

10/13/2021	300880041	41	1	3,500.00		9,058,898.35	9,319,611.54	12,000,000.00	09/29/2020	08/11/2020
09/13/2021	300880041	41	1	3,500.00		9,075,519.49	9,319,611.54	12,000,000.00	09/29/2020	08/11/2020
08/12/2021	300880041	41	1	3,500.00		9,090,616.31	9,319,611.54	12,000,000.00	09/29/2020	08/11/2020
07/12/2021	300880041	41	1	3,500.00		9,105,638.75	9,319,611.54	12,000,000.00	09/29/2020	08/11/2020
06/11/2021	300880041	41	1	3,500.00		9,122,036.99	9,319,611.54	12,000,000.00	09/29/2020	08/11/2020
05/12/2021	300880041	41	1	3,500.00		9,136,904.62	9,319,611.54	12,000,000.00	09/29/2020	08/11/2020
04/12/2021	300880041	41	1	3,500.00		9,153,153.76	9,319,611.54	13,960,000.00	06/01/2013	08/11/2020
03/12/2021	300880041	41	1	3,500.00		9,167,868.08	9,319,611.54	13,960,000.00	06/01/2013	08/11/2020
02/12/2021	300880041	41	1	3,500.00		9,186,890.27	9,319,611.54	13,960,000.00	06/01/2013	08/11/2020
01/12/2021	300880041	41	1	3,500.00		9,201,438.37	9,319,611.54	13,960,000.00	06/01/2013	08/11/2020
12/11/2020	300880041	41	1	3,500.00		9,215,914.79	9,319,611.54	13,960,000.00	06/01/2013	08/11/2020
11/13/2020	300880041	41	1	3,500.00		9,231,787.14	9,319,611.54	13,960,000.00	06/01/2013	08/11/2020
10/13/2020	300880041	41	1	3,500.00		9,246,114.03	9,319,611.54	13,960,000.00	06/01/2013	08/11/2020
09/14/2020	300880041	41	1	3,500.00		9,261,842.37	9,319,611.54	13,960,000.00	06/01/2013	08/11/2020
12/12/2023	300880046	46	13	3,500.00		8,238,606.99	8,253,415.61	12,800,000.00	06/06/2013	07/21/2023
11/10/2023	300880046	46	13	3,500.00		8,238,606.99	8,253,415.61	12,800,000.00	06/06/2013	07/21/2023
10/13/2023	300880046	46	13	3,500.00		8,238,606.99	8,253,415.61	12,800,000.00	06/06/2013	07/21/2023
09/12/2023	300880046	46	13	3,500.00		8,238,606.99	8,253,415.61	12,800,000.00	06/06/2013	07/21/2023
08/11/2023	300880046	46	13	3,500.00		8,238,606.99	8,253,415.61	12,800,000.00	06/06/2013	07/21/2023
02/12/2019	625100033	67	7	(122,500.00	)	-	-	2,500,000.00	01/16/2018	12/17/2015
01/11/2019	625100033	67	7	3,500.00		4,588,481.20	4,938,844.48	2,500,000.00	01/16/2018	12/17/2015
12/12/2018	625100033	67	7	3,500.00		4,598,621.66	4,938,844.48	2,500,000.00	01/16/2018	12/17/2015
11/13/2018	625100033	67	7	3,500.00		4,609,396.31	4,938,844.48	2,500,000.00	01/16/2018	12/17/2015
10/15/2018	625100033	67	7	3,500.00		4,619,441.04	4,938,844.48	2,500,000.00	01/16/2018	12/17/2015
09/12/2018	625100033	67	7	3,500.00		4,630,123.45	4,938,844.48	2,500,000.00	01/16/2018	12/17/2015
08/10/2018	625100033	67	7	3,500.00		4,640,073.31	4,938,844.48	2,500,000.00	01/16/2018	12/17/2015
07/12/2018	625100033	67	7	3,500.00		4,649,977.62	4,938,844.48	2,500,000.00	01/16/2018	12/17/2015
06/12/2018	625100033	67	7	3,500.00		4,660,524.74	4,938,844.48	2,500,000.00	01/16/2018	12/17/2015
05/11/2018	625100033	67	7	3,500.00		4,670,335.44	4,938,844.48	2,500,000.00	01/16/2018	12/17/2015
04/12/2018	625100033	67	7	3,500.00		4,680,792.37	4,938,844.48	2,500,000.00	01/16/2018	12/17/2015
03/12/2018	625100033	67	7	3,500.00		4,690,510.30	4,938,844.48	3,400,000.00	02/15/2017	12/17/2015
02/12/2018	625100033	67	7	3,500.00		4,702,266.68	4,938,844.48	3,400,000.00	02/15/2017	12/17/2015
Reports Available at sf.citidirect.com			v. 21.09.28			Page 37 of 47				© Copyright 2023 Citigroup


Citigroup Commercial Mortgage Trust 2013-GC15
Commercial Mortgage Pass-Through Certificates, Series 2013-GC15									December 12, 2023

HISTORICAL SPECIALLY SERVICED LOANS


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

01/12/2018	625100033	67	7	3,500.00	4,711,886.32	4,938,844.48	3,400,000.00	02/15/2017	12/17/2015
12/12/2017	625100033	67	7	3,500.00	4,721,461.92	4,938,844.48	3,400,000.00	02/15/2017	12/17/2015
11/10/2017	625100033	67	2	3,500.00	4,731,692.35	4,938,844.48	3,400,000.00	02/15/2017	12/17/2015
10/13/2017	625100033	67	2	3,500.00	4,741,177.30	4,938,844.48	3,400,000.00	02/15/2017	12/17/2015
09/12/2017	625100033	67	2	3,500.00	4,751,320.38	4,938,844.48	3,400,000.00	02/15/2017	12/17/2015
08/11/2017	625100033	67	2	3,500.00	4,760,715.48	4,938,844.48	3,400,000.00	02/15/2017	12/17/2015
07/12/2017	625100033	67	2	3,500.00	4,770,067.58	4,938,844.48	3,400,000.00	02/15/2017	12/17/2015
06/12/2017	625100033	67	2	3,500.00	4,780,082.67	4,938,844.48	4,000,000.00	04/19/2016	12/17/2015
05/12/2017	625100033	67	2	3,500.00	4,789,346.12	4,938,844.48	4,000,000.00	04/19/2016	12/17/2015
04/12/2017	625100033	67	2	3,500.00	4,799,275.80	4,938,844.48	4,000,000.00	04/19/2016	12/17/2015
03/10/2017	625100033	67	2	3,500.00	4,808,451.40	4,938,844.48	4,000,000.00	04/19/2016	12/17/2015
02/10/2017	625100033	67	2	3,500.00	4,819,719.96	4,938,844.48	4,000,000.00	04/19/2016
01/12/2017	625100033	67	2	3,500.00	4,828,801.98	4,938,844.48	4,000,000.00	04/19/2016	12/17/2015
12/12/2016	625100033	67	2	3,500.00	4,837,842.43	4,938,844.48	4,000,000.00	04/19/2016	12/17/2015
11/14/2016	625100033	67	2	3,500.00	4,847,557.26	4,938,844.48	4,000,000.00	04/19/2016	12/17/2015
10/13/2016	625100033	67	13	3,500.00	4,856,511.86	4,938,844.48	4,000,000.00	04/19/2016	12/17/2015
09/12/2016	625100033	67	13	3,500.00	4,866,143.98	4,938,844.48	4,000,000.00	04/19/2016	12/17/2015
08/12/2016	625100033	67	2	3,500.00	4,875,013.50	4,938,844.48	4,000,000.00	04/19/2016	12/17/2015
07/12/2016	625100033	67	2	3,500.00	4,883,842.42	4,938,844.48	4,000,000.00	04/19/2016	12/17/2015
06/10/2016	625100033	67	13	3,500.00	4,893,353.46	4,938,844.48	4,000,000.00	04/19/2016	12/17/2015
05/12/2016	625100033	67	13	3,500.00	4,902,098.44	4,938,844.48	6,900,000.00	07/15/2013	12/17/2015
04/12/2016	625100033	67	13	3,500.00	4,911,528.60	4,938,844.48	6,900,000.00	07/15/2013	12/17/2015
03/11/2016	625100033	67	13	3,500.00	4,920,190.38	4,938,844.48	6,900,000.00	07/15/2013	12/17/2015
02/12/2016	625100033	67	13	3,500.00	4,930,268.47	4,938,844.48	6,900,000.00		12/17/2015
12/12/2023	625100034	79	13	3,500.00	3,431,401.05	3,461,485.54	6,240,000.00	07/02/2013	09/20/2023
11/10/2023	625100034	79	13	3,500.00	3,439,230.80	3,461,485.54	6,240,000.00	07/02/2013	09/20/2023
10/13/2023	625100034	79	13	3,500.00	3,446,511.83	3,461,485.54	6,240,000.00	07/02/2013	09/20/2023
12/12/2023	695100181	31	13	3,500.00	11,164,650.45	11,287,427.45	7,700,000.00	06/14/2023	03/14/2023
11/10/2023	695100181	31	13	3,500.00	11,164,650.45	11,287,427.45	7,700,000.00	06/14/2023	03/14/2023
10/13/2023	695100181	31	13	3,500.00	11,164,650.45	11,287,427.45	7,700,000.00	06/14/2023	03/14/2023
09/12/2023	695100181	31	13	3,500.00	11,164,650.45	11,287,427.45	7,700,000.00	06/14/2023	03/14/2023
08/11/2023	695100181	31	13	3,500.00	11,164,650.45	11,287,427.45	7,700,000.00	06/14/2023	03/14/2023
Reports Available at sf.citidirect.com			v. 21.09.28		Page 38 of 47				© Copyright 2023 Citigroup


Citigroup Commercial Mortgage Trust 2013-GC15
Commercial Mortgage Pass-Through Certificates, Series 2013-GC15									December 12, 2023

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

07/12/2023	695100181	31	13	3,500.00	11,188,785.88	11,287,427.45	18,000,000.00	07/22/2013	03/14/2023

Citigroup Commercial Mortgage Trust 2013-GC15 10-D