UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C.  20549

FORM 10-D

ASSET-BACKED ISSUER
DISTRIBUTION REPORT PURSUANT TO SECTION 13 OR 15(d) OF
THE SECURITIES EXCHANGE ACT OF 1934

For the monthly distribution period from
August 13, 2021  to  September 13, 2021

Commission File Number of Issuing entity:  333-179413-01

Central Index Key Number of issuing entity:  0001571238

UBS-Barclays Commercial Mortgage Trust 2013-C6
(Exact name of issuing entity as specified in its charter)

Commission File Number of depositor:  333-179413

Central Index Key Number of depositor:  0001541480

Barclays Commercial Mortgage Securities LLC
(Exact name of depositor as specified in its charter)

Central Index Key Number of sponsor:  0001541886
UBS Real Estate Securities Inc.
(Exact name of sponsor as specified in its charter)

Central Index Key Number of sponsor:  0000312070
Barclays Bank PLC
(Exact name of sponsor as specified in its charter)

Central Index Key Number of sponsor:  0001542256
Natixis Real Estate Capital LLC
(Exact name of sponsor as specified in its charter)

Central Index Key Number of sponsor:  0001567746
Redwood Commercial Mortgage Corporation
(Exact name of sponsor as specified in its charter)

Daniel J. Vinson (212) 528-8224
(Name and telephone number, including area code, of the person to contact in connection with this filing)

New York
(State or other jurisdiction of incorporation or organization of the issuing entity)

27-010880
(I.R.S. Employer Identification No.)

190 South Lasalle Street
Chicago, IL
(Address of principal executive offices of issuing entity)

60603
(Zip Code)

(312)-332-7535
(Telephone number, including area code)

None
(Former name, former address, if changed since last report)

Registered/reporting pursuant to (check one)

Name of exchange
Title of ClassSection 12(b)Section 12(g)Section 15(d)(If Section 12(b))
Class A-1Not Applicable
Class A-2Not Applicable
Class A-3Not Applicable
Class A-4Not Applicable
Class A-SBNot Applicable
Class A-SNot Applicable

Indicate by check mark whether the registrant (1) filed all reports required to be filed by Section 13 or 15(d) of the Securities and Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days?   Yes  ☒   No ☐

PART I - DISTRIBUTION INFORMATION

Item 1.  Distribution and Pool Performance Information.
On September 13, 2021 a distribution was made to holders of the certificates issued by UBS-Barclays Commercial Mortgage Trust 2013-C6. The distribution report is attached as an Exhibit to this Form 10-D, please see Item 9(b) Exhibit 99.1 for the related information.

No assets securitized by Barclays Commercial Mortgage Securities LLC (the 'Depositor') and held by UBS-Barclays Commercial Mortgage Trust 2013-C6 were the subject of a demand to repurchase for breach of the representations and warranties contained in the underlying transaction documents during the distribution period from August 13, 2021  to  September 13, 2021.

The Depositor has filed a Form ABS-15G pursuant to Rule 15Ga-1 under The Exchange Act of 1934 on August 12, 2021. The CIK number of the Depositor is 0001541480.

UBS Real Estate Securities Inc., one of the sponsors, has filed a Form ABS-15G pursuant to Rule 15Ga-1 under The Exchange Act of 1934 on May 11, 2021. The CIK number of UBS Real Estate Securities Inc. is 0001541886.

Barclays Bank PLC, one of the sponsors, has filed a Form ABS-15G pursuant to Rule 15Ga-1 under The Exchange Act of 1934 on August 12, 2021. The CIK number of Barclays Bank PLC is 0000312070.

Natixis Real Estate Capital LLC, one of the sponsors, has filed a Form ABS-15G pursuant to Rule 15Ga-1 under The Exchange Act of 1934 on February 16, 2021. The CIK number of Natixis Real Estate Capital LLC is 0001542256.

Redwood Commercial Mortgage Corporation, one of the sponsors, has filed a Form ABS-15G pursuant to Rule 15Ga-1 under The Exchange Act of 1934 on January 25, 2021. The CIK number of Redwood Commercial Mortgage Corporation is 0001567746.

Item 1A. Asset-Level Information.
Not applicable.

Item 1B. Asset Representations Reviewer and Investor Communication.
Not applicable.

PART II - OTHER INFORMATION

Item 2.  Legal Proceedings.
None

Item 3.  Sales of Securities and Use of Proceeds.
None

Item 4. Defaults Upon Senior Securities.
None

Item 5. Submission of Matters to a Vote of Security Holders.
None

Item 6. Significant Obligors of Pool Assets.
The Gateway mortgaged property constitutes a significant obligor within the meaning of item 1101 (k)(2) of Regulation AB and as disclosed in the Prospectus Supplement for UBS-Barclays Commercial Mortgage Trust 2013-C6.
Based on the borrower's operating statement with an end date of June 30, 2021, the Gateway mortgage loan has a 2021 Net Operating Income of  $7,704,760.00 as of  June 30, 2021.

Item 7. Change in Sponsor Interest in the Securities.
None

Item 8. Significant Enhancement Provider Information.
Not Applicable

Item 9. Other Information.
None

Item 10. Exhibits.
(a)  The following is a list of documents filed as part of this Report on Form 10-D:
(99.1) Monthly report distributed to holders of UBS-Barclays Commercial Mortgage Trust 2013-C6, relating to the September 13, 2021 distribution.

(b)  The exhibits required to be filed by the Registrant pursuant to this form are listed in the Exhibit Index that immediately follows on the signature page hereof.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Barclays Commercial Mortgage Securities LLC
(Depositor)

Date: September 16, 2021/s/  Daniel Vinson
Name: Daniel Vinson
Title: Chief Executive Officer

Exhibit NumberDescription
Exhibit 99.1Monthly report distributed to holders of the certificates issued by UBS-Barclays Commercial Mortgage Trust 2013-C6, relating to the September 13, 2021 distribution.


C:\Users\wpluie\AppData\Local\Temp\1\UBS 2013-C6\dc8dfa65-dca6-4a8d-9d54-682717e86a45\ubs2013c6_raw


September 2021
UBS-Barclays Commercial Mortgage Trust 2013-C6
Commercial Mortgage Pass-Through Certificates
TABLE OF CONTENTS
ADMINISTRATOR
PARTIES TO THE TRANSACTION
DATES
Edward Przybycien
Account Administrator
312-332-7535
Edward.Przybycien@usbank.com
https://pivot.usbank.com/
190 S. LaSalle St. 7th Fl.
Chicago, IL 60603
Name:
Title:
Address:
Phone:
Email:
Website:
Mortgage Loan Seller:
Barclays Bank PLC
Mortgage Loan Seller:
Natixis Real Estate Capital LLC
Mortgage Loan Seller:
Redwood Commercial Mortgage Corporation
Mortgage Loan Seller:
UBS Real Estate Securities Inc.
Depositor:
Barclay's Commercial Mortgage Securities LLC
Trustee:
U.S. Bank National Association
Certificate Administrator:
U.S. Bank National Association
Custodian:
U.S. Bank National Association
Master Servicer:
Midland Loan Services, a Division of PNC Bank, National
Association
Special Servicer:
Rialto Capital Advisors, LLC
Operating Advisor:
Park Bridge Lender Services LLC
Swap Counterparty:
Deutsche Bank AG, New York Branch
Payment Date:
Sep 13, 2021
Prior Payment:
Aug 12, 2021
Next Payment:
Oct 13, 2021
Record Date:
Aug 31, 2021
Determination Date:
Sep 7, 2021
First Payment Date:
May 10, 2013
Closing Date:
Apr 25, 2013
Cut-off Date:
Apr 1, 2013
Final Distribution Date:
* This report contains, or is based on, information furnished to U.S. Bank Global Corporate Trust ("U.S. Bank") by one or more third parties (e.g. Servicers, Master Servicer, etc.), and U.S. Bank
has not independently verified information received from any such third party.
Statement to Certificateholders
Page 1
REO Status Report
Page 11
REO Additional Detail
Page 12
Bond/Collateral Realized Loss Reconciliation
Page 13
Historical Delinquency & Liquidation (Stated)
Page 14
Historical Liquidation Loss Loan Detail
Page 15
Historical Loan Modification Report
Page 16
Historical Loan Modification Report
Page 17
Interest Adjustment Reconciliation
Page 18
Defeased Loan Detail
Page 19
Appraisal Reduction Report
Page 20
Loan Level Detail
Page 21
Material Breaches and Document Defects
Page 23
Delinquency Summary Report
Page 24
Mortgage Loan Characteristics
Page 25

September 2021
Commercial Mortgage Pass
Through Certificates, Series 2013-C6
UBS-Barclays Commercial Mortgage Trust 2013-C6
Next
Exchangeable
Pass-Through
Pass-Through
Original
Beginning
Principal
Interest
Total
Realized
Ending
Percent
Class
Rate
Rate
Balance
Balance
Distribution
Distribution
Distribution
Loss
Balance
Outstanding
A-1
0.8022%
0.8022%
65,700,000.00
0.00
0.00
0.00
0.00
0.00
0.00
A-2
2.0668%
2.0668%
43,000,000.00
0.00
0.00
0.00
0.00
0.00
0.00
A-3
2.9707%
2.9707%
155,000,000.00
150,343,887.09
5,145,798.50
937,223.68
6,083,022.18
0.00
145,198,088.59
A-4
3.2443%
3.2443%
461,130,000.00
461,130,000.00
0.00
1,241,908.80
1,241,908.80
0.00
461,130,000.00
A-SB
2.7877%
2.7877%
87,000,000.00
23,314,314.47
1,733,192.49
227,632.88
1,960,825.37
0.00
21,581,121.98
A-S
3.4688%
3.4688%
111,734,000.00
111,734,000.00
0.00
321,743.61
321,743.61
0.00
111,734,000.00
X-A
1.2395%
1.0895%
1,018,564,000.00
838,668,454.93
0.00
1,862,695.84
1,862,695.84
0.00
828,635,587.44
X-B
0.4677%
0.3727%
140,883,000.00
140,883,000.00
0.00
54,701.92
54,701.92
0.00
140,883,000.00
X-C
0.9479%
0.8002%
87,444,979.00
87,444,979.00
0.00
68,806.12
68,806.12
0.00
87,444,979.00
A-3FL*
0.8865%
0.8726%
95,000,000.00
92,146,253.37
3,153,876.50
459,069.01
3,612,945.51
0.00
88,992,376.87
100.00%
B
3.8751%
3.8751%
90,683,000.00
90,683,000.00
0.00
291,711.88
291,711.88
0.00
90,683,000.00
C
4.1699%
4.0222%
50,200,000.00
50,200,000.00
0.00
173,768.53
173,768.53
0.00
50,200,000.00
D
4.4479%
4.3002%
48,580,000.00
48,580,000.00
0.00
179,371.95
179,371.95
0.00
48,580,000.00
E
3.5000%
3.5000%
25,910,000.00
25,910,000.00
0.00
74,853.38
74,853.38
0.00
25,910,000.00
F
3.5000%
3.5000%
19,432,000.00
19,432,000.00
0.00
0.00
0.00
0.00
19,432,000.00
G
3.5000%
3.5000%
42,102,979.00
42,102,979.00
0.00
0.00
0.00
0.00
42,102,979.00
R
0.0000%
0.0000%
100.00
100.00
0.00
0.00
0.00
0.00
100.00
LR
0.0000%
0.0000%
100.00
100.00
0.00
0.00
0.00
0.00
100.00
Totals:
1,295,471,979.00 1,115,576,433.93
10,032,867.49
5,893,487.61
15,926,355.10
0.00 1,105,543,566.44
*The Exchange/Exchangeable Certificates
PAYMENT DETAIL
Page 1 of 29

September 2021
Commercial Mortgage Pass
Through Certificates, Series 2013-C6
UBS-Barclays Commercial Mortgage Trust 2013-C6
Next
Exchangeable
Pass-Through
Pass-Through
Original
Beginning
Principal
Interest
Total
Realized
Ending
Percent
Class
Rate
Rate
Balance
Balance
Distribution
Distribution
Distribution
Loss
Balance
Outstanding
A-3FX*
3.2070%
3.2070%
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00%
Totals:
0.00
0.00
0.00
0.00
0.00
0.00
0.00
*The Exchange/Exchangeable Certificates
EXCHANGEABLE CERTIFICATE DETAIL
Page 2 of 29

September 2021
Commercial Mortgage Pass
Through Certificates, Series 2013-C6
UBS-Barclays Commercial Mortgage Trust 2013-C6
Beginning
Principal
Interest
Total
Realized
Ending
Class
Cusip
Balance
Distribution
Distribution
Distribution
Loss
Balance
A-1
90349GBC8
0.00000000
0.00000000
0.00000000
0.00000000
0.00000000
0.00000000
A-2
90349GBD6
0.00000000
0.00000000
0.00000000
0.00000000
0.00000000
0.00000000
A-3
90349GBE4
0.96996056
33.19870000
6.04660440
39.24530440
0.00000000
0.93676186
A-4
90349GBF1
1.00000000
0.00000000
2.69318587
2.69318587
0.00000000
1.00000000
A-SB
90349GBG9
0.26798063
19.92175276
2.61646988
22.53822264
0.00000000
0.24805887
A-S
90349GBH7
1.00000000
0.00000000
2.87954973
2.87954973
0.00000000
1.00000000
X-A
90349GAG0
0.82338317
0.00000000
1.82874698
1.82874698
0.00000000
0.81353316
X-B
90349GAJ4
1.00000000
0.00000000
0.38827910
0.38827910
0.00000000
1.00000000
X-C
90349GAM7
1.00000000
0.00000000
0.78685048
0.78685048
0.00000000
1.00000000
A-3FL*
90349GAC9
0.96996056
33.19870000
4.83230539
38.03100539
0.00000000
0.93676186
B
90349GAN5
1.00000000
0.00000000
3.21683095
3.21683095
0.00000000
1.00000000
C
90349GAQ8
1.00000000
0.00000000
3.46152450
3.46152450
0.00000000
1.00000000
D
90349GAS4
1.00000000
0.00000000
3.69230027
3.69230027
0.00000000
1.00000000
E
90349GAU9
1.00000000
0.00000000
2.88897627
2.88897627
0.00000000
1.00000000
F
90349GAX3
1.00000000
0.00000000
0.00000000
0.00000000
0.00000000
1.00000000
G
90349GAZ8
1.00000000
0.00000000
0.00000000
0.00000000
0.00000000
1.00000000
R
90349GBA2
1.00000000
0.00000000
0.00000000
0.00000000
0.00000000
1.00000000
LR
90349GBB0
1.00000000
0.00000000
0.00000000
0.00000000
0.00000000
1.00000000
A-3FX*
90349GAA3
0.00000000
0.00000000
0.00000000
0.00000000
0.00000000
0.00000000
*The Exchange/Exchangeable Certificates
FACTOR DETAIL
Page 3 of 29

September 2021
Commercial Mortgage Pass
Through Certificates, Series 2013-C6
UBS-Barclays Commercial Mortgage Trust 2013-C6
Cumulative
Beginning
Scheduled
Unscheduled
Realized
Ending
Realized
Class
Balance
Principal
Principal
Loss
Balance
Loss
A-1
0.00
0.00
0.00
0.00
0.00
0.00
A-2
0.00
0.00
0.00
0.00
0.00
0.00
A-3
150,343,887.09
0.00
5,145,798.50
0.00
145,198,088.59
0.00
A-4
461,130,000.00
0.00
0.00
0.00
461,130,000.00
0.00
A-SB
23,314,314.47
1,459,962.63
273,229.86
0.00
21,581,121.98
0.00
A-S
111,734,000.00
0.00
0.00
0.00
111,734,000.00
0.00
A-3FL*
92,146,253.37
0.00
3,153,876.50
0.00
88,992,376.87
0.00
B
90,683,000.00
0.00
0.00
0.00
90,683,000.00
0.00
C
50,200,000.00
0.00
0.00
0.00
50,200,000.00
0.00
D
48,580,000.00
0.00
0.00
0.00
48,580,000.00
0.00
E
25,910,000.00
0.00
0.00
0.00
25,910,000.00
0.00
F
19,432,000.00
0.00
0.00
0.00
19,432,000.00
0.00
G
42,102,979.00
0.00
0.00
0.00
42,102,979.00
0.00
Totals:
1,115,576,433.93
1,459,962.63
8,572,904.86
0.00
1,105,543,566.44
0.00
*The Exchange/Exchangeable Certificates
PRINCIPAL DETAIL
Page 4 of 29

September 2021
Commercial Mortgage Pass
Through Certificates, Series 2013-C6
UBS-Barclays Commercial Mortgage Trust 2013-C6
Accrued
Net Prepay
Current
Yield
Total Interest
Cumulative
Certificate
Interest
Reimbursement
Interest
Maintenance
Distribution
Unpaid Interest
Class
Interest
Shortfall
of Realized Loss
Shortfall
Charges
Amount
Shortfall
A-1
0.00
0.00
0.00
0.00
0.00
0.00
0.00
A-2
0.00
0.00
0.00
0.00
0.00
0.00
0.00
A-3
372,188.82
1,431.37
0.00
0.00
566,466.23
937,223.68
0.00
A-4
1,246,703.38
4,794.58
0.00
0.00
0.00
1,241,908.80
0.00
A-SB
54,161.10
208.29
0.00
0.00
173,680.07
227,632.88
0.00
A-S
322,985.75
1,242.14
0.00
0.00
0.00
321,743.61
0.00
X-A
866,270.75
3,331.51
0.00
0.00
999,756.60
1,862,695.84
0.00
X-B
54,913.11
211.19
0.00
0.00
0.00
54,701.92
0.00
X-C
69,071.76
265.64
0.00
0.00
0.00
68,806.12
0.00
A-3FL*
72,611.25
947.07
0.00
0.00
387,404.84
459,069.02
0.00
B
292,838.08
1,126.20
0.00
0.00
0.00
291,711.88
0.00
C
174,439.39
670.86
0.00
0.00
0.00
173,768.53
0.00
D
180,064.44
692.49
0.00
0.00
0.00
179,371.95
0.00
E
75,570.83
290.63
0.00
426.82
0.00
74,853.38
426.82
F
56,676.67
217.97
0.00
56,458.70
0.00
0.00
56,458.70
G
122,800.36
472.27
0.00
122,328.09
0.00
0.00
956,548.91
R
0.00
0.00
0.00
0.00
0.00
0.00
0.00
LR
0.00
0.00
0.00
0.00
0.00
0.00
0.00
Totals:
3,961,295.69
15,902.20
0.00
179,213.62
2,127,307.74
5,893,487.61
1,013,434.44
*The Exchange/Exchangeable Certificates
INTEREST DETAIL
Page 5 of 29

Commercial Mortgage Pass
Through Certificates, Series 2013-C6
September 2021
UBS-Barclays Commercial Mortgage Trust 2013-C6
Interest
Fees
Scheduled Interest
4,156,640.79
Master Servicing Fee
19,975.45
Interest Adjustments
0.00
Trustee/Certificate Administrator Fee
528.35
Deferred Interest
0.00
Operating Advisor Fee
1,191.71
Net Prepayment Shortfall
15,902.20
Special Servicing Fee
30,872.84
Net Prepayment Interest Excess
0.00
Workout Fee
1,067.05
Interest Reserve Deposit/Withdrawal
0.00
Liquidation Fee
0.00
Libor Settlement(ISDAFix)
0.00
Special Serv Fee plus Adj.
0.00
Interest Collections
4,140,738.59
Miscellaneous Fee
0.00
Fee Distributions
53,635.40
Principal
Scheduled Principal
1,459,962.63
Unscheduled Principal
8,572,904.86
Additional Trust Fund Expenses
Principal Adjustments
0.00
Reimbursed for Interest on Advances
(3,063.39)
Principal Collections
10,032,867.49
Net ASER Amount
150,337.10
Non-Recoverable Advances
0.00
Other Expenses or Shortfalls
0.00
Additional Trust Fund Expenses
147,273.71
Other
Yield Maintenance
2,127,307.74
Payments to Certificateholders
Swap Counterparty
0.00
Interest Distribution
3,766,179.87
Other Collections
2,127,307.74
Principal Distribution
10,032,867.49
Yield Maintenance
2,127,307.74
Swap Counterparty
173,649.61
Payments to Certificateholders
16,100,004.71
Total Collection
16,300,913.82
Total Distribution
16,300,913.82
Funds Collection
Funds Distribution
RECONCILIATION OF FUNDS
Page 6 of 29

Commercial Mortgage Pass
Through Certificates, Series 2013-C6
September 2021
UBS-Barclays Commercial Mortgage Trust 2013-C6
Interest Accrual Period:
August 1-August 31
Mortgage Loans
Trust
Interest
Current LIBOR:
0.0965%
Losses
Fund Expenses
Shortfalls
Next LIBOR:
0.0826%
Current Collection Period
0.00
0.00
15,902.20
Stated Principal Balance
Aggregate for All
Beginning
Ending
Prior Collection Periods
0.00
3,555.40
15,902.20
1,115,576,434.61
1,105,543,567.12
Swap Counterparty
Cert Administrator Account
Termination Payment
0.00
Beg Balance Withdraw/Deposit
End Balance
Interest Reserve
0.00
0.00
0.00
Payment in connection with
Floating Rate
173,649.61
(173,649.61)
0.00
acquisition of replacement Swap Agreement
0.00
Excess Liquidation Proceeds
0.00
0.00
0.00
Disclosable Special Servicer Fees
Mortgage Pool
Commission
0.00
Available Funds
16,300,913.82
Brokerage Fee
0.00
Class A-3FL Available Funds
3,612,945.51
Rebate
0.00
Shared Fee
0.00
P&I Advances:
Master
Special
Other
0.00
Servicer
Servicer
Trustee
Total P&I Advance
0.00
0.00
0.00
Controlling Class:
F
Total Current Advances
0.00
0.00
0.00
Controlling Class (Class F) Representative: RREF CMBS AIV, LP c/o Rialto Capital Advisors, LLC
Aggregate Cert Balance of Control
Cumulative Advances
4,102,559.52
0.00
0.00
Eligible Certs:
87,444,979.00
Interest on Advances
(3,063.39)
0.00
0.00
Principal Distribution Amount
10,032,867.49
ADDITIONAL RECONCILIATION DETAIL
Page 7 of 29

Commercial Mortgage Pass
Through Certificates, Series 2013-C6
September 2021
UBS-Barclays Commercial Mortgage Trust 2013-C6
Count
Balance
Count
Balance
(Foreclosure Proceedings Commenced, but not REO Property)
Specially Serviced Loans that are not Delinquent
Current but not Specially Serviced Loans
ADDITIONAL LOAN DETAIL
Page 8 of 29

September 2021
Commercial Mortgage Pass
Through Certificates, Series 2013-C6
UBS-Barclays Commercial Mortgage Trust 2013-C6
Proceeds of Any
Liquidation
Other Portion Included
Asset Number
Repurchase
Proceeds
Amounts
in Avail Funds
Or Otherwise Liquidated Or Disposed During Relating Collection Period
Mortgage Loans Repurchased By Mortgage Loan Seller
ADDITIONAL LOAN DETAIL
Page 9 of 29

Commercial Mortgage Pass
Through Certificates, Series 2013-C6
September 2021
UBS-Barclays Commercial Mortgage Trust 2013-C6
Rule 15Ga-1
Most Recent
Loan ID
Asset Name
Asset Originator
Ending Balance
Appraisal
Form ABS-15G - Reference
Mortgage Loan Seller
ABS-15G file Reference
SEC Central Index Key (if applicable)
UBS Real Estate Securities Inc.
5/11/2021
Barclays Bank PLC
8/12/2021
Redwood Commercial Mortgage Corporation
1/25/2021
Natixis Real Estate Capital LLC
2/16/2021
Barclays Commercial Mortgage Securities LLC
8/12/2021
Status
1541886
312070
1567746
1542256
1541480
Repurchase/Replacement
ADDITIONAL LOAN DETAIL
Page 10 of 29

September 2021
REO STATUS REPORT
UBS-Barclays Commercial Mortgage Trust 2013-C6
Commercial Mortgage Pass-Through Certificates
Loan ID
State
Ending
Scheduled Loan
Total Exposure
Appraisal Value
REO Date
Date Asset
Expected to
be Resolved
or Foreclosed
REO Revenue
and Other
Amounts
City
Property Type
Book Value
Type *
Appraisal
Date
Count:
Totals:
(*) Legend: (1) Partial Liq'n (Curtailment), (2) Payoff Prior To Maturity, (3) Disposition / Liquidation, (4) Repurchase/ Substitution, (5) Full Payoff At Maturity, (6) DPO, (7) Liquidated, (8) Payoff w/ penalty,
(9) Payoff w/ yield Maintenance, (10) Curtailment w/ Penalty, (11) Curtailment w/ Yield Maintenance
Page 11 of 29

September 2021
ADDITIONAL RECONCILIATION DETAIL
UBS-Barclays Commercial Mortgage Trust 2013-C6
Commercial Mortgage Pass-Through Certificates
Loan ID
REO Property with Final Recovery Determination
Liq Proceeds and
other Amts Rec'd
Liq Proceeds and
other Amt Allocated
to Certs
Loss on Mortgage Loans
Page 12 of 29

September 2021
BOND/COLLATERAL REALIZED LOSS RECONCILIATION
UBS-Barclays Commercial Mortgage Trust 2013-C6
Commercial Mortgage Pass-Through Certificates
Loan ID
Beginning
Balance of the
Loan at
Liquidation
Prior Realized
Loss Applied to
Certificates
Amounts
Covered by
Overcollateraliz
ation and other
Credit Support
Interest
(Shortages) /
Excesses
applied to
Realized Loss
Modification
Adjustments /
Appraisal
Reduction
Adjustment
Period
Additional
(Recoveries) /
Expenses
applied to
Realized Loss
Current
Realized Loss
Applied to
Certificates*
Recoveries of
Realized
Losses paid
as Cash
(Recoveries) /
Loss to
Certificate
Interest
Aggregate
Realized Loss
on Loans
A
B
C
D
E
Loan Count:
Totals:
Prior Realized Loss Applied to Certificates
Reduction to Realized Loss applied to bonds (could represent OC, insurance policies, reserve accounts, etc)
Adjustments that are based on principal haircut or future interest foregone due to modification
Description of Fields
A
B
C
D
E
*In the Initial Period the Current Realized Loss Applied to Certificates will equal Aggregate Realized Loss on Loans - B - C - D + E instead of A - C - D + E
Amounts classified by the Master as interest adjustments from general collections on a loan with a Realized Loss
Realized Loss Adjustments, Supplemental Recoveries or Expenses on a previously liquidated loan
Page 13 of 29

September 2021
HISTORICAL DELINQUENCY & LIQUIDATION SUMMARY (STATED BALANCE)
UBS-Barclays Commercial Mortgage Trust 2013-C6
Commercial Mortgage Pass-Through Certificates
30 Days Delinq
60 Days Delinq
Prepayments/Liquidation
REO
Bankruptcy
Foreclosure
Count
Balance
Count
Balance
Balance
Count
Balance
Count
Month
Balance
Count
Balance
Count
Balance
Count
%
90+ Days Delinq
%
%
%
%
%
%
(1)
(2)
(1)
(2)
(1)
(2)
(2)
(2)
(2)
(2)
0
95,000,000.00
0.00
2
1
31,335,833.28
0
0
0.00
0
0.00
Sep 2021
0.00
0.0%
8.6%
2.8%
0.0%
0.0%
0.0%
1
8,572,904.86
0.8%
2
0.00
95,000,000.00
0
1
31,436,134.48
0
0
0.00
0
0.00
Aug 2021
0.00
8.5%
0.0%
2.8%
0.0%
0.0%
0.0%
0
0.00
0.0%
0
0.00
0.00
0
3
126,536,044.23
0
0
0.00
0
0.00
Jul 2021
0.00
0.0%
0.0%
11.3%
0.0%
0.0%
0.0%
0
0.00
0.0%
0
0.00
0.00
0
3
126,639,547.33
0
0
0.00
0
0.00
Jun 2021
0.00
0.0%
0.0%
11.3%
0.0%
0.0%
0.0%
0
0.00
0.0%
0
0.00
0.00
0
3
126,738,663.20
0
0
0.00
0
0.00
May 2021
0.00
0.0%
0.0%
11.3%
0.0%
0.0%
0.0%
0
0.00
0.0%
1
0.00
11,830,876.34
0
3
126,841,400.94
0
0
0.00
0
0.00
Apr 2021
0.00
1.1%
0.0%
11.3%
0.0%
0.0%
0.0%
0
0.00
0.0%
0
0.00
0.00
0
4
133,399,037.76
0
0
0.00
0
0.00
Mar 2021
0.00
0.0%
0.0%
11.9%
0.0%
0.0%
0.0%
0
0.00
0.0%
1
0.00
11,886,131.14
0
4
133,530,717.37
0
0
0.00
0
0.00
Feb 2021
0.00
1.1%
0.0%
11.9%
0.0%
0.0%
0.0%
0
0.00
0.0%
1
0.00
11,911,539.59
0
5
144,417,162.65
0
0
0.00
0
0.00
Jan 2021
0.00
1.1%
0.0%
12.8%
0.0%
0.0%
0.0%
0
0.00
0.0%
1
0.00
2,915,082.52
0
5
144,554,380.68
0
0
0.00
0
0.00
Dec 2020
0.00
0.3%
0.0%
12.8%
0.0%
0.0%
0.0%
0
0.00
0.0%
1
0.00
11,963,469.53
0
5
144,697,397.98
0
0
0.00
0
0.00
Nov 2020
0.00
1.1%
0.0%
12.8%
0.0%
0.0%
0.0%
0
0.00
0.0%
0
0.00
0.00
0
5
144,833,508.79
0
0
0.00
0
0.00
Oct 2020
0.00
0.0%
0.0%
12.8%
0.0%
0.0%
0.0%
1
7,518,887.66
0.7%
0
0.00
0.00
0
5
144,975,458.68
0
0
0.00
0
0.00
Sep 2020
0.00
0.0%
0.0%
12.7%
0.0%
0.0%
0.0%
0
0.00
0.0%
0
32,637,293.66
0.00
1
4
112,473,177.19
0
0
0.00
0
0.00
Aug 2020
0.00
0.0%
2.9%
9.9%
0.0%
0.0%
0.0%
0
0.00
0.0%
0
112,512,434.04
0.00
4
1
32,732,515.57
0
0
0.00
0
0.00
Jul 2020
0.00
0.0%
9.8%
2.9%
0.0%
0.0%
0.0%
0
0.00
0.0%
(2) Percentage in relation to Ending Scheduled Balance
(1) Exclusive of loans in Bankruptcy, Foreclosure and REO
Page 14 of 29

September 2021
HISTORICAL LIQUIDATION LOSS LOAN DETAIL
UBS-Barclays Commercial Mortgage Trust 2013-C6
Commercial Mortgage Pass-Through Certificates
Current Beginning
Scheduled Balance
Most Recent Value **
Net Proceeds Received
on Liquidation
Liquidation Expense
Net Proceeds Available
for Distribution
Realized Loss to Trust
Loan ID
Liquidation /
Prepayment
Code *
Liquidation
Month
Count:
Totals:
* Liquidation / Prepayment Code: 1 - Partial Liq'n (Curtailment); 2 - Payoff Prior To Maturity; 3 - Disposition / Liquidation; 4 - Repurchase/ Substitution; 5 - Full Payoff At Maturity; 6 - DPO; 7 - Liquidated; 8 -
Payoff w/ penalty; 9 - Payoff w/ yield Maintenance; 10 - Curtailment w/ Penalty; 11 - Curtailment w/ Yield Maintenance
** Reported as of liquidation period. If not provided by the servicer, Most Recent Value is as of cutoff.
Page 15 of 29

September 2021
HISTORICAL LOAN MODIFICATION REPORT
UBS-Barclays Commercial Mortgage Trust 2013-C6
Commercial Mortgage Pass-Through Certificates
Loan ID
Ending
Scheduled
Balance
Comments
Ending
Unpaid
Balance
Page 16 of 29

September 2021
HISTORICAL LOAN MODIFICATION REPORT
UBS-Barclays Commercial Mortgage Trust 2013-C6
Commercial Mortgage Pass-Through Certificates
Loan ID
Date of Last
Modification
Balance When
Sent to Special
Servicer
Modified
Balance
Old Note
Rate
Old P&I
Modified
Note Rate
Modified
Payment
Amount
Old
Maturity
Date
Maturity Date
Total Months for
Change of
Modification
Modification Code
*
30291254
7/6/2020
0.00
0.00
5.2700
0.00
0.0000
0.00
10/5/2022
8
30291927
1/6/2021
0.00
0.00
4.6635
0.00
0.0000
0.00
3/6/2023
10
30292029
5/6/2020
0.00
0.00
4.8325
0.00
0.0000
0.00
4/6/2023
10
30304833
11/30/2020
0.00
0.00
4.6630
0.00
0.0000
0.00
2/6/2023
8
*Modification Code: 1 = Maturity Date Extension; 2 = Amortization Change; 3 = Principal Write-Off; 4 =Not Used; 5 = Temporary Rate Reduction;
6 = Capitalization on Interest; 7 = Capitalization on Taxes; 8 = Other; 9 = RCombination; 10 = Forbearance.
Page 17 of 29

September 2021
INTEREST ADJUSTMENT RECONCILIATION
UBS-Barclays Commercial Mortgage Trust 2013-C6
Commercial Mortgage Pass-Through Certificates
Special
Servicing Fee
Amount plus
Adjustments
Liquidation
Fee Amount
Workout Fee
Amount
Most Recent
Net ASER
Amount
Prepayment
Interest
(Excess)/
Shortfall *
Non-
Recoverable
(Scheduled
Interest Not
Advanced)**
Reimbursed
Interest on
Advances
Modified
Interest Rate
Reduction/
(Excess)
Current Month
Outstanding
Other
Shortfalls/
(Refunds)
Current Ending
Scheduled
Balance
Loan ID
Reimbursement of
Advances to Servicer
0.00
0.00
305.64
0.00
0.00
0.00
0.00
0.00
0.00
4,914,794.13
0.00
0.00
30291591
0.00
0.00
0.00
0.00
0.00
0.00
-36.18
0.00
0.00
19,604,118.50
0.00
0.00
30291848
9,256.94
0.00
0.00
68,047.32
0.00
0.00
0.00
0.00
0.00
43,000,000.00
0.00
0.00
30291916
11,194.44
0.00
0.00
82,289.78
0.00
0.00
0.00
0.00
0.00
52,000,000.00
0.00
0.00
30291917
0.00
0.00
761.41
0.00
0.00
0.00
0.00
0.00
0.00
10,731,422.67
0.00
0.00
30291926
2,284.53
0.00
0.00
0.00
0.00
0.00
-3,193.96
0.00
0.00
10,590,048.48
0.00
0.00
30291927
6,767.50
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
31,335,833.28
0.00
0.00
30291950
0.00
0.00
0.00
0.00
0.00
0.00
166.75
0.00
0.00
45,000,000.00
0.00
0.00
30291953
1,369.43
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
6,341,700.39
0.00
0.00
30292029
0.00
0.00
0.00
0.00
15,902.20
0.00
0.00
0.00
0.00
0.00
0.00
-2,127,307.74
30304838
223,517,917.45
Count:
Totals:
8
30,872.84
0.00
1,067.05
150,337.10
15,902.20
0.00
-3,063.39
0.00
0.00
0.00
-2,127,307.74
Total Interest Shortfall hitting the Trust:
-1,932,191.94
*Total shortfall may not match impact to bonds due to, but not limited to, the net effect of PPIE and Master Servicing fees received as per the governing documents.
**In some cases, the Servicer does not withhold their Servicing Fees on Non-Recoverable loans.
Page 18 of 29

September 2021
DEFEASED LOAN DETAIL
UBS-Barclays Commercial Mortgage Trust 2013-C6
Commercial Mortgage Pass-Through Certificates
Current Ending
Scheduled Balance
Maturity Date
Current
Note Rate
Defeasance
Status *
Loan ID
5,530,600.89
12/05/2022
4.03
F
30291479
13,182,236.21
12/05/2022
4.41
F
30291480
4,480,264.54
12/06/2022
4.23
F
30291585
4,914,794.13
01/06/2023
4.84
F
30291591
1,558,415.47
01/06/2023
4.60
F
30291622
4,050,622.33
01/06/2023
4.41
F
30291688
10,880,401.30
02/06/2023
4.60
F
30291823
5,873,768.65
02/06/2023
4.44
F
30291850
4,037,085.81
03/06/2023
4.52
F
30291925
3,232,730.79
03/06/2023
4.81
F
30291941
68,413,159.10
04/06/2023
4.46
F
30292014
3,553,100.42
04/06/2023
5.07
F
30292049
13,497,776.42
04/06/2023
4.22
F
30304818
16,320,841.38
04/06/2023
4.22
F
30304819
16,409,061.76
04/06/2023
4.22
F
30304820
7,709,296.61
03/06/2023
4.47
F
30304824
6,052,026.28
04/06/2023
4.56
F
30304832
8,963,936.39
04/06/2023
4.20
F
30304837
198,660,118.48
Count:
Totals:
18
* Defeasance Status: P = Portion of Loan Previously Defeased. F = Full Defeasance.
Page 19 of 29

September 2021
APPRAISAL REDUCTION REPORT
UBS-Barclays Commercial Mortgage Trust 2013-C6
Commercial Mortgage Pass-Through Certificates
Loan ID
Property Name
Paid Through
Date
ARA (Appraisal
Reduction Amount)
ARA Date
Most Recent Value
Most Recent
Valuation Date
Most Recent Net
ASER Amount
Cumulative ASER
Amount
30291916
06/01/2021
20,456,302.66
12/07/2020
57,800,000.00
10/16/2020
68,047.32
201,946.88
30291917
06/01/2021
24,737,854.37
12/07/2020
57,800,000.00
10/16/2020
82,289.78
244,214.83
Count:
Totals:
2
45,194,157.03
115,600,000.00
150,337.10
446,161.71
Page 20 of 29

September 2021
LOAN LEVEL DETAIL
UBS-Barclays Commercial Mortgage Trust 2013-C6
Commercial Mortgage Pass-Through Certificates
Loan ID
Property
Type
Transfer
Date
Stat
Maturity
Date
Neg
Am
End Schedule
Balance
Sched
P&I
Prepay
Adj
Prepay
Date
Paid
Thru
Prepay
Premium
Loan
Status **
Interest
Payment
Yield Maint
Charges
Note
Rate
PFY
DSCR
Operating
Stmnt
30291254
Lodging
FL
10/05/22
N
27,983,628.42
213,152.02
0.00
09/05/21
0.00
0
127,380.50
0.00
5.270
1.00
12/31/20
30291479
Mobile Home
WI
12/05/22
N
5,530,600.89
32,083.47
0.00
09/05/21
0.00
0
19,213.52
0.00
4.025
0.00
30291480
Multifamily
TX
12/05/22
N
13,182,236.21
75,202.77
0.00
09/05/21
0.00
0
50,154.66
0.00
4.410
0.00
30291585
Warehouse
FL
12/06/22
N
4,480,264.54
24,526.79
0.00
09/06/21
0.00
0
16,333.75
0.00
4.226
0.00
30291591
Multifamily
07/18/16 TX
01/06/23
N
4,914,794.13
30,563.95
0.00
09/06/21
0.00
0
20,517.16
0.00
4.838
0.00
30291622
Self Storage
NH
01/06/23
N
1,558,415.47
11,233.90
0.00
09/06/21
0.00
0
6,197.05
0.00
4.603
0.00
30291638
Retail
05/04/20 SC
01/06/23
N
2,861,551.73
17,826.99
0.00
08/06/21
0.00
B
11,996.29
0.00
4.859
1.56
12/31/20
30291653
Self Storage
NJ
01/06/23
N
846,673.65
5,251.79
0.00
09/06/21
0.00
0
3,512.98
0.00
4.809
4.01
12/31/20
30291686
Multifamily
MI
01/06/23
N
2,697,425.72
18,987.30
0.00
09/06/21
0.00
0
9,936.42
0.00
4.264
3.68
12/31/20
30291688
Multifamily
MI
01/06/23
N
4,050,622.33
28,816.81
0.00
09/06/21
0.00
0
15,448.75
0.00
4.415
0.00
30291689
Lodging
IN
01/06/23
N
4,598,280.31
33,161.89
0.00
09/06/21
0.00
0
18,310.86
0.00
4.610
0.71
12/31/20
30291690
Industrial
NY
01/06/23
N
2,731,382.34
16,563.97
0.00
09/06/21
0.00
0
10,724.59
0.00
4.550
2.81
12/31/20
30291730
Multifamily
TX
01/06/23
10/10/20
30291752
Retail
TN
02/06/23
N
4,683,251.89
27,372.78
0.00
09/06/21
0.00
0
16,810.24
0.00
4.159
1.88
12/31/20
30291753
Retail
GA
02/06/23
N
6,213,114.75
36,314.55
0.00
09/06/21
0.00
0
22,301.59
0.00
4.159
1.93
12/31/20
30291791
Retail
CA
02/01/23
N
6,877,192.98
21,642.05
0.00
09/01/21
0.00
0
21,642.05
0.00
3.655
3.46
12/31/20
30291811
Self Storage
TX
02/06/23
N
4,455,524.59
25,504.83
0.00
09/06/21
0.00
0
16,243.76
0.00
4.225
1.87
12/31/20
30291823
Multifamily
CA
02/06/23
N
10,880,401.30
66,150.40
0.00
09/06/21
0.00
0
43,212.81
0.00
4.603
0.00
30291848
Mixed Use
PA
02/06/23
N
19,604,118.50
135,826.36
0.00
09/06/21
0.00
0
69,228.35
0.00
4.087
2.70
12/31/20
30291850
Multifamily
TX
02/06/23
N
5,873,768.65
33,796.18
0.00
09/06/21
0.00
0
22,482.89
0.00
4.437
0.00
30291854
Self Storage
XX
02/06/23
N
3,353,806.82
21,676.26
0.00
09/06/21
0.00
0
15,358.38
0.00
5.308
2.13
12/31/20
30291855
Self Storage
CO
02/06/23
N
3,991,629.30
24,794.39
0.00
09/06/21
0.00
0
16,695.81
0.00
4.848
1.73
12/31/20
30291864
Retail
NY
02/06/23
N
125,850,000.00
433,916.82
0.00
09/06/21
0.00
0
433,916.82
0.00
4.004
3.49
12/31/20
30291882
Self Storage
NJ
02/06/23
N
3,242,330.00
20,437.56
0.00
09/06/21
0.00
0
14,033.76
0.00
5.017
2.84
12/31/20
30291883
Retail
GU
03/06/23
N
51,575,985.09
329,225.65
0.00
09/06/21
0.00
0
231,095.97
0.00
5.194
0.52
12/31/20
30291916
Retail
06/01/20 FL
03/01/23
N
43,000,000.00
143,778.86
0.00
06/01/21
0.00
2
143,778.86
0.00
3.883
0.62
12/31/20
30291917
Retail
06/15/20 FL
03/01/23
N
52,000,000.00
173,872.11
0.00
06/01/21
0.00
2
173,872.11
0.00
3.883
0.62
12/31/20
30291925
Multifamily
WA
03/06/23
N
4,037,085.81
24,294.67
0.00
09/06/21
0.00
0
15,737.83
0.00
4.518
0.00
30291926
Lodging
04/23/18 CA
03/06/23
N
10,731,422.67
76,140.56
0.00
09/06/21
0.00
0
41,509.86
0.00
4.478
2.25
12/31/20
30291927
Multifamily
07/09/20 NY
03/06/23
N
10,590,048.48
64,555.78
0.00
08/06/21
0.00
0
42,615.54
0.00
4.664
0.90
12/31/20
30291928
Multifamily
TX
03/05/23
N
3,006,232.96
19,141.12
0.00
08/05/21
0.00
B
13,393.61
0.00
5.164
2.97
12/31/20
30291929
Retail
CA
02/01/23
N
63,122,807.02
198,643.09
0.00
09/01/21
0.00
0
198,643.09
0.00
3.655
3.46
12/31/20
30291934
Lodging
TX
03/06/23
N
7,354,883.11
54,922.02
0.00
09/06/21
0.00
0
33,104.28
0.00
5.212
0.64
12/31/20
30291935
Retail
TX
03/06/20
03/10/20
30291941
Self Storage
NM
03/06/23
N
3,232,730.79
19,963.71
0.00
09/06/21
0.00
0
13,421.07
0.00
4.812
0.00
30291942
Office
FL
03/03/18
12/10/17
30291943
Retail
NY
03/06/23
N
11,698,673.73
68,360.30
0.00
09/06/21
0.00
0
42,278.33
0.00
4.188
1.35
12/31/20
30291950
Lodging
06/29/20 FL
03/06/23
N
31,335,833.28
223,469.72
0.00
06/06/20
0.00
6
123,168.52
0.00
4.550
0.00
30291951
Retail
NY
03/06/23
N
65,000,000.00
252,182.85
0.00
09/06/21
0.00
0
252,182.85
0.00
4.506
2.14
12/31/20
30291952
Retail
NY
03/06/23
N
50,000,000.00
193,986.81
0.00
09/06/21
0.00
0
193,986.81
0.00
4.506
1.89
12/31/20
30291953
Retail
NY
03/06/23
N
45,000,000.00
174,588.13
0.00
09/06/21
0.00
0
174,588.13
0.00
4.506
1.75
12/31/20
Page 21 of 29

September 2021
LOAN LEVEL DETAIL
UBS-Barclays Commercial Mortgage Trust 2013-C6
Commercial Mortgage Pass-Through Certificates
Loan ID
Property
Type
Transfer
Date
Stat
Maturity
Date
Neg
Am
End Schedule
Balance
Sched
P&I
Prepay
Adj
Prepay
Date
Paid
Thru
Prepay
Premium
Loan
Status **
Interest
Payment
Yield Maint
Charges
Note
Rate
PFY
DSCR
Operating
Stmnt
30291961
Lodging
FL
03/06/18
01/11/18
30291962
Mixed Use
FL
03/06/23
N
19,614,417.50
122,067.15
0.00
09/06/21
0.00
0
82,927.09
0.00
4.900
1.46
12/31/20
30291970
Industrial
NJ
03/06/23
N
7,604,982.93
45,984.83
0.00
09/06/21
0.00
0
30,000.47
0.00
4.572
1.71
12/31/20
30292014
Office
PA
04/06/23
N
68,413,159.10
388,205.66
0.00
09/06/21
0.00
0
263,077.55
0.00
4.458
0.00
30292025
Lodging
NY
04/06/18
02/11/18
30292029
Lodging
03/19/20 MD
04/06/23
N
6,341,700.39
45,989.82
0.00
05/06/21
0.00
0
26,471.06
0.00
4.833
0.31
12/31/20
30292040
Industrial
MO
04/06/23
N
9,400,290.26
67,688.95
0.00
09/06/21
0.00
0
38,419.30
0.00
4.732
2.20
12/31/20
30292047
Lodging
FL
04/06/23
N
6,901,042.99
41,646.68
0.00
09/06/21
0.00
0
27,229.15
0.00
4.573
2.02
12/31/20
30292049
Retail
XX
04/06/23
N
3,553,100.42
33,514.96
0.00
09/06/21
0.00
0
15,581.31
0.00
5.067
0.00
30304815
Multifamily
TX
04/06/18
01/06/18
30304816
Self Storage
DC
04/06/23
N
6,705,928.18
39,214.82
0.00
09/06/21
0.00
0
24,422.35
0.00
4.220
1.97
12/31/20
30304817
Self Storage
DE
04/06/23
N
4,526,501.95
26,470.00
0.00
09/06/21
0.00
0
16,485.09
0.00
4.220
2.54
12/31/20
30304818
Multifamily
TN
04/06/23
N
13,497,776.42
74,998.34
0.00
09/06/21
0.00
0
49,143.37
0.00
4.220
0.00
30304819
Multifamily
AL
04/06/23
N
16,320,841.38
90,684.26
0.00
09/06/21
0.00
0
59,421.73
0.00
4.220
0.00
30304820
Multifamily
TN
04/06/23
N
16,409,061.76
91,174.45
0.00
09/06/21
0.00
0
59,742.93
0.00
4.220
0.00
30304821
Lodging
NY
02/06/23
N
6,688,933.53
48,790.56
0.00
09/06/21
0.00
0
27,835.32
0.00
4.818
-0.52
12/31/20
30304822
Retail
NE
04/06/23
N
3,433,370.94
20,016.22
0.00
09/06/21
0.00
0
12,403.41
0.00
4.186
2.07
12/31/20
30304823
Retail
CA
02/06/23
N
4,613,998.91
26,007.88
0.00
09/06/21
0.00
0
18,128.67
0.00
4.555
1.32
12/31/20
30304824
Office
CA
03/06/23
N
7,709,296.61
46,198.75
0.00
09/06/21
0.00
0
29,737.73
0.00
4.470
0.00
30304825
Mixed Use
CT
02/06/23
N
9,200,291.55
66,361.80
0.00
09/06/21
0.00
0
37,012.65
0.00
4.657
1.57
12/31/20
30304826
Retail
NY
03/06/23
N
24,733,654.57
171,213.20
0.00
09/06/21
0.00
0
88,257.52
0.00
4.130
1.25
12/31/20
30304827
Retail
AL
03/06/23
N
5,518,287.88
30,546.82
0.00
09/06/21
0.00
0
19,815.70
0.00
4.162
1.93
12/31/20
30304828
Retail
GA
03/06/23
N
72,296,984.63
358,219.91
0.00
09/06/21
0.00
0
233,860.59
0.00
3.750
1.86
12/31/20
30304829
Self Storage
FL
04/06/23
N
2,382,663.79
14,606.13
0.00
09/06/21
0.00
0
9,765.56
0.00
4.750
3.53
12/31/20
30304830
Lodging
04/04/20 AR
04/06/23
N
3,956,019.84
28,563.42
0.00
09/06/21
0.00
0
16,299.72
0.00
4.770
1.02
12/31/20
30304831
Office
XX
04/06/23
N
6,955,572.35
41,410.30
0.00
09/06/21
0.00
0
26,530.32
0.00
4.420
2.62
30304832
Lodging
IN
04/06/23
N
6,052,026.28
43,039.84
0.00
09/06/21
0.00
0
23,813.64
0.00
4.555
0.00
30304833
Retail
AZ
02/06/23
N
7,712,590.18
46,968.06
0.00
09/06/21
0.00
0
31,032.82
0.00
4.663
1.57
12/31/20
30304834
Retail
IL
04/06/23
N
4,192,489.44
26,154.73
0.00
09/06/21
0.00
0
17,905.65
0.00
4.950
1.31
12/31/20
30304835
Multifamily
TX
04/06/23
N
6,397,929.49
39,531.44
0.00
09/06/21
0.00
0
26,718.55
0.00
4.840
2.16
12/31/20
30304836
Retail
CA
04/06/23
N
10,300,000.00
35,921.25
0.00
09/06/21
0.00
0
35,921.25
0.00
4.050
1.63
12/31/20
30304837
Office
FL
04/06/23
N
8,963,936.39
52,324.84
0.00
09/06/21
0.00
0
32,491.30
0.00
4.200
0.00
30304838
Office
OH
04/06/28
N
0.00
35,877.61
8,572,904.86 08/11/21
08/06/21
0.00
0
35,877.61 2,127,307.74
4.860
1.35
12/31/20
30304839
Mixed Use
CA
04/06/23
N
13,000,000.00
45,281.53
0.00
09/06/21
0.00
0
45,281.53
0.00
4.045
2.28
12/31/20
1,105,543,567.12
5,616,603.42
8,572,904.86
0.00
75
Totals:
Count:
4,156,640.79 2,127,307.74
** Loan Status: A = Payment not received but still in grace period; B = Late Payment but less than 30 days delinquent; 0 = Current; 1 = 30-59 Days Delinquent; 2 = 60-89 Days Delinquent;
3 = 90-120 Days Delinquent; 4 = Performing Matured Balloon; 5 = Non-Performing Matured Balloon; 6 = 121+ Days Delinquent; R = Repurchased.
* If State field is blank or 'XX', loan has properties in multiple states.
Page 22 of 29

September 2021
MATERIAL BREACHES AND DOCUMENT DEFECTS
UBS-Barclays Commercial Mortgage Trust 2013-C6
Commercial Mortgage Pass-Through Certificates
Loan ID
Ending Principal
Balance
Material Breach Date
Date Received Notice
Description
Totals:
Count:
Page 23 of 29

September 2021
Delinquency Summary Report
UBS-Barclays Commercial Mortgage Trust 2013-C6
Commercial Mortgage Pass-Through Certificates
Current
30 - 59 days
60 - 89 days
90 - 120 days
121 + days
TOTAL
Delinquent
Loan Count
Sched Bal
Percentage*
Actual Bal
65
979,207,733.84
88.57%
979,313,864.75
0
0.00
0.00%
0.00
2
95,000,000.00
8.59%
95,000,000.00
0
0.00
0.00%
0.00
1
31,335,833.28
2.83%
32,831,499.19
68
1,105,543,567.12
100.00%
1,107,145,363.94
Bankruptcy
Loan Count
Sched Bal
Percentage*
Actual Bal
0
0.00
0.00%
0.00
0
0.00
0.00%
0.00
0
0.00
0.00%
0.00
0
0.00
0.00%
0.00
0
0.00
0.00%
0.00
0
0.00
0.00%
0.00
Foreclosure
Loan Count
Sched Bal
Percentage*
Actual Bal
0
0.00
0.00%
0.00
0
0.00
0.00%
0.00
0
0.00
0.00%
0.00
0
0.00
0.00%
0.00
0
0.00
0.00%
0.00
0
0.00
0.00%
0.00
REO
Loan Count
Sched Bal
Percentage*
Actual Bal
0
0.00
0.00%
0.00
0
0.00
0.00%
0.00
0
0.00
0.00%
0.00
0
0.00
0.00%
0.00
0
0.00
0.00%
0.00
0
0.00
0.00%
0.00
TOTAL
Loan Count
Sched Bal
Percentage*
Actual Bal
65
979,207,733.84
88.57%
979,313,864.75
0
0.00
0.00%
0.00
2
95,000,000.00
8.59%
95,000,000.00
0
0.00
0.00%
0.00
1
31,335,833.28
2.83%
32,831,499.19
68
1,105,543,567.12
100.00%
1,107,145,363.94
Group 1
* Percentages are based on scheduled balance as a percent of total pool scheduled balance.
Page 24 of 29

September 2021
MORTGAGE LOAN CHARACTERISTICS
UBS-Barclays Commercial Mortgage Trust 2013-C6
Commercial Mortgage Pass-Through Certificates
Count
Balance ($)
%
0M to 4.9M
24
$85,400,147.67
7.72%
5M to 9.9M
19
$134,002,369.39
12.12%
10M to 14.9M
8
$93,880,558.81
8.49%
15M to 19.9M
4
$71,948,439.14
6.51%
20M to 24.9M
1
$24,733,654.57
2.24%
25M to 29.9M
1
$27,983,628.42
2.53%
30M to 34.9M
1
$31,335,833.28
2.83%
40M to 44.9M
1
$43,000,000.00
3.89%
45M to 49.9M
1
$45,000,000.00
4.07%
50M to 54.9M
3
$153,575,985.09
13.89%
60M to 64.9M
1
$63,122,807.02
5.71%
65M to 69.9M
2
$133,413,159.10
12.07%
70M to 74.9M
1
$72,296,984.63
6.54%
125M to 129.9M
1
$125,850,000.00
11.38%
Total
68
$1,105,543,567.12
100.00%
Remaining Principal Balance
Count
Balance ($)
%
3.500% - 3.740%
2
$70,000,000.00
6.33%
3.750% - 3.990%
3
$167,296,984.63
15.13%
4.000% - 4.240%
19
$305,924,908.36
27.67%
4.250% - 4.490%
8
$119,613,503.64
10.82%
4.500% - 4.740%
17
$277,216,670.09
25.08%
4.750% - 4.990%
12
$65,421,533.58
5.92%
5.000% - 5.240%
5
$68,732,531.58
6.22%
5.250% - 5.490%
2
$31,337,435.24
2.83%
Total
68
$1,105,543,567.12
100.00%
Gross Rate
Total Weighted Average Rate: 4.32%
Page 25 of 29

September 2021
MORTGAGE LOAN CHARACTERISTICS
UBS-Barclays Commercial Mortgage Trust 2013-C6
Commercial Mortgage Pass-Through Certificates
Count
Balance ($)
%
NEW YORK
9
$342,292,692.65
30.96%
FLORIDA
9
$196,661,786.91
17.79%
CALIFORNIA
8
$127,235,119.49
11.51%
PENNSYLVANIA
2
$88,017,277.60
7.96%
GEORGIA
2
$78,510,099.38
7.10%
GUAM
1
$51,575,985.09
4.67%
TEXAS
7
$45,185,369.14
4.09%
TENNESSEE
3
$34,590,090.07
3.13%
ALABAMA
2
$21,839,129.26
1.98%
VARIOUS
3
$13,862,479.59
1.25%
NEW JERSEY
3
$11,693,986.58
1.06%
INDIANA
2
$10,650,306.59
0.96%
MISSOURI
1
$9,400,290.26
0.85%
CONNECTICUT
1
$9,200,291.55
0.83%
ARIZONA
1
$7,712,590.18
0.70%
MICHIGAN
2
$6,748,048.05
0.61%
DISTRICT OF COLUMBIA
1
$6,705,928.18
0.61%
MARYLAND
1
$6,341,700.39
0.57%
WISCONSIN
1
$5,530,600.89
0.50%
DELAWARE
1
$4,526,501.95
0.41%
ILLINOIS
1
$4,192,489.44
0.38%
WASHINGTON
1
$4,037,085.81
0.37%
COLORADO
1
$3,991,629.30
0.36%
ARKANSAS
1
$3,956,019.84
0.36%
NEBRASKA
1
$3,433,370.94
0.31%
NEW MEXICO
1
$3,232,730.79
0.29%
SOUTH CAROLINA
1
$2,861,551.73
0.26%
NEW HAMPSHIRE
1
$1,558,415.47
0.14%
Total
68
$1,105,543,567.12
100.00%
Geographic Distribution by State
Page 26 of 29

September 2021
MORTGAGE LOAN CHARACTERISTICS
UBS-Barclays Commercial Mortgage Trust 2013-C6
Commercial Mortgage Pass-Through Certificates
Count
Balance ($)
%
Industrial
3
$19,736,655.53
1.79%
Lodging
10
$111,943,770.82
10.13%
Mixed Use
4
$61,418,827.55
5.56%
Mobile Home Park
1
$5,530,600.89
0.50%
Multifamily
13
$111,858,224.64
10.12%
Office
4
$92,041,964.45
8.33%
Retail
22
$664,237,054.16
60.08%
Self Storage
10
$34,296,204.54
3.10%
Warehouse
1
$4,480,264.54
0.41%
Total
68
$1,105,543,567.12
100.00%
Property Type
Count
Balance ($)
%
99 - 101
21
$225,416,001.55
20.39%
102 - 104
43
$828,950,835.51
74.98%
105 - 107
4
$51,176,730.06
4.63%
Total
68
$1,105,543,567.12
100.00%
Seasoning
Months
Total Weighted Average Seasoning: 102
Page 27 of 29

September 2021
MORTGAGE LOAN CHARACTERISTICS
UBS-Barclays Commercial Mortgage Trust 2013-C6
Commercial Mortgage Pass-Through Certificates
Count
Balance ($)
%
12 - 14
1
$27,983,628.42
2.53%
15 - 17
27
$333,816,007.29
30.19%
18 - 20
40
$743,743,931.41
67.27%
Total
68
$1,105,543,567.12
100.00%
Remaining Term to Maturity
Months
Total Weighted Average Remaining Months: 18
Count
Balance ($)
%
-0.50 - -0.01
1
$7,354,883.11
0.67%
0.000 - 0.490
3
$16,986,653.76
1.54%
0.500 - 0.990
3
$66,358,523.01
6.00%
1.000 - 1.490
11
$192,500,524.45
17.41%
1.500 - 1.990
23
$308,899,260.42
27.94%
2.000 - 2.490
13
$273,483,991.97
24.74%
2.500 - 2.990
7
$95,308,211.91
8.62%
3.000 - 3.490
1
$6,901,042.99
0.62%
3.500 - 3.990
4
$11,053,801.85
1.00%
4.000 - 4.490
2
$126,696,673.65
11.46%
Total
68
$1,105,543,567.12
100.00%
DSCR
Total Weighted Average DSCR: 2.06
Page 28 of 29

September 2021
MORTGAGE LOAN CHARACTERISTICS
UBS-Barclays Commercial Mortgage Trust 2013-C6
Commercial Mortgage Pass-Through Certificates
Count
Balance ($)
%
Amortizing Balloon
47
$406,331,663.05
36.75%
Other
21
$699,211,904.07
63.25%
Total
68
$1,105,543,567.12
100.00%
Amortization Type
Page 29 of 29