Form 10-D UBS-Barclays Commercial For: May 12

May 24, 2022 8:44 AM EDT

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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
April 13, 2022  to  May 12, 2022

Commission File Number of issuing entity:  333-177354-04

Central Index Key Number of issuing entity:0001559450

UBS-Barclays Commercial Mortgage Trust 2012-C4
(Exact name of issuing entity as specified in its charter)

Commission File Number of depositor:  333-177354

Central Index Key Number of depositor:0001532799

UBS Commercial Mortgage Securitization Corp.
(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: 0000040554
General Electric Capital Corporation
(Exact name of sponsor as specified in its charter)

Central Index Key Number of sponsor: 0001175134
RAIT Partnership, L.P.
(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)

Nicholas Galeone (212) 713-8832
(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)

46-1661720
46-1677972
(I.R.S. Employer Identification No.)

c/o U.S. Bank National Association
190 S. LaSalle Street
Chicago, Illinois
(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-5Not Applicable
Class A-ABNot 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 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 May 12, 2022 a distribution was made to holders of the certificates issued by UBS-Barclays Commercial Mortgage Trust 2012-C4. 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 UBS Commercial Mortgage Securitization Corp. (the 'Depositor') and held by UBS-Barclays Commercial Mortgage Trust 2012-C4 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 April 13, 2022 to May 12, 2022.

The Depositor filed a Form ABS-15G pursuant to Rule 15Ga-1 under the Securities Exchange Act of 1934 on May 16, 2022. The CIK number of the Depositor is 0001532799.

UBS Real Estate Securities Inc., one of the sponsors, filed a Form ABS-15G pursuant to Rule 15Ga-1 under the Securities Exchange Act of 1934 on May 12, 2022. The CIK number of UBS Real Estate Securities Inc. is 0001541886.

Barclays Bank PLC, one of the sponsors, filed a Form ABS-15G pursuant to Rule 15Ga-1 under the Securities Exchange Act of 1934 on May 12, 2022. The CIK number of Barclays Bank PLC is 0000312070.

Natixis Real Estate Capital LLC, one of the sponsors, filed a Form ABS-15G pursuant to Rule 15Ga-1 under the Securities Exchange Act of 1934 on February 15, 2022. The CIK number of Natixis Real Estate Capital LLC is 0001542256.

GE Capital US Holdings, Inc. (successor in interest to certain obligations of General Electric Capital Corporation), one of the sponsors, has filed a Form ABS-15G pursuant to Rule 15Ga-1 under the Securities Exchange Act of 1934 on February 15, 2022. The CIK number of GE Capital US Holdings, Inc. is 0001660492.

RAIT Partnership L.P., one of the sponsors, filed a Form ABS-15G pursuant to Rule 15Ga-1 under the Securities Exchange Act of 1934 on February 11, 2022. The CIK number of RAIT Partnership is 0001175134.

Redwood Commercial Mortgage Corporation, one of the sponsors, filed a Form ABS-15G pursuant to Rule 15Ga-1 under the Securities Exchange Act of 1934 on January 26, 2022. 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.
None

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 2012-C4, relating to the May 12, 2022 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.

UBS Commercial Mortgage Securitization Corp.
(Depositor)

Date: May 23, 2022By:  /s/  Andrew Lisa
Name: Andrew Lisa
Title: Director

By: /s/  Nicholas Galeone
Name: Nicholas Galeone
Title: President

Exhibit NumberDescription
Exhibit 99.1Monthly report distributed to holders of the certificates issued by UBS-Barclays Commercial Mortgage Trust 2012-C4, relating to the May 12, 2022 distribution.


May 2022
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
TABLE OF CONTENTS
ADMINISTRATOR
PARTIES TO THE TRANSACTION
DATES
Edward Przybycien
Account Administrator
312-332-7535
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:
General Electric Capital Corporation
Mortgage Loan Seller:
Natixis Real Estate Capital LLC
Mortgage Loan Seller:
RAIT Partnership, L.P.
Mortgage Loan Seller:
Redwood Commercial Mortgage Corporate
Mortgage Loan Seller:
UBS Real Estate Securities Inc.
Depositor:
UBS Commercial Mortgage Securitization Corp.
Trustee:
U.S. Bank
Certificate Administrator:
U.S. Bank
Custodian:
U.S. Bank
Master Servicer:
Wells Fargo, National Association
Special Servicer:
Rialto Capital Advisors, LLC
Operating Advisor:
Trimont Real Estate Advisors, Inc.
Payment Date:
May 12, 2022
Prior Payment:
Apr 12, 2022
Next Payment:
Jun 10, 2022
Record Date:
Apr 29, 2022
Determination Date:
May 6, 2022
First Payment Date:
Jan 11, 2013
Closing Date:
Dec 20, 2012
Cut-off Date:
Dec 1, 2012
Final Distribution Date:
Dec 12, 2045
* 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.

Next
Pass-Through
Pass-Through
Original
Beginning
Principal
Interest
Total
Realized
Ending
Class
Rate
Rate
Balance
Balance
Distribution
Distribution
Distribution
Loss
Balance
A-1
0.6728%
0.6728%
84,000,000.00
0.00
0.00
0.00
0.00
0.00
0.00
A-2
1.7119%
1.7119%
73,267,000.00
0.00
0.00
0.00
0.00
0.00
0.00
A-3
2.5328%
2.5328%
132,000,000.00
69,161,173.87
54,652,036.97
145,976.18
54,798,013.15
0.00
14,509,136.90
A-4
2.7919%
2.7919%
150,000,000.00
150,000,000.00
0.00
348,987.50
348,987.50
0.00
150,000,000.00
A-5
2.8502%
2.8502%
476,000,000.00
476,000,000.00
0.00
1,130,579.33
1,130,579.33
0.00
476,000,000.00
A-AB
2.4589%
2.4589%
104,000,000.00
1,845,069.88
1,845,069.88
3,780.70
1,848,850.58
0.00
0.00
A-S
3.3165%
3.3165%
145,610,000.00
145,610,000.00
0.00
402,429.64
402,429.64
0.00
145,610,000.00
X-A
1.5645%
1.6868%
1,164,877,000.00
842,616,243.75
0.00
1,098,565.29
1,098,565.29
0.00
786,119,136.90
X-B
0.4534%
0.5296%
134,689,000.00
134,689,000.00
0.00
50,890.54
50,890.54
0.00
134,689,000.00
B
3.7181%
3.7181%
69,164,000.00
69,164,000.00
0.00
214,298.89
214,298.89
0.00
69,164,000.00
C
4.3070%
4.4554%
65,525,000.00
65,525,000.00
0.00
235,180.09
235,180.09
0.00
65,525,000.00
D
4.4580%
4.6064%
61,884,000.00
61,884,000.00
0.00
229,899.01
229,899.01
0.00
61,884,000.00
E
4.4580%
4.6064%
25,481,000.00
25,481,000.00
0.00
94,661.89
94,661.89
0.00
25,481,000.00
F
4.4580%
4.6064%
18,202,000.00
18,202,000.00
0.00
67,620.41
67,620.41
0.00
18,202,000.00
G
4.4580%
4.6064%
50,963,493.00
48,961,707.04
0.00
152,247.59
152,247.59
0.00
48,961,707.04
V
0.0000%
0.0000%
100.00
100.00
0.00
0.00
100.00
R
0.0000%
0.0000%
100.00
100.00
0.00
0.00
100.00
LR
0.0000%
0.0000%
100.00
100.00
0.00
0.00
100.00
Totals:
1,456,096,493.00
1,131,833,950.79
56,497,106.85
4,175,117.06
60,672,223.91
0.00
1,075,336,843.94
PAYMENT DETAIL
May 2022
STATEMENT TO CERTIFICATE HOLDERS
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
Page 1 of 30

Beginning
Principal
Interest
Total
Realized
Ending
Class
CUSIP
Balance
Distribution
Distribution
Distribution
Loss
Balance
A-1
90270RBA1
0.00000000
0.00000000
0.00000000
0.00000000
0.00000000
0.00000000
A-2
90270RBB9
0.00000000
0.00000000
0.00000000
0.00000000
0.00000000
0.00000000
A-3
90270RBC7
0.52394829
414.03058311
1.10588015
415.13646326
0.00000000
0.10991770
A-4
90270RBD5
1.00000000
0.00000000
2.32658333
2.32658333
0.00000000
1.00000000
A-5
90270RBE3
1.00000000
0.00000000
2.37516666
2.37516666
0.00000000
1.00000000
A-AB
90270RBF0
0.01774106
17.74105654
0.03635288
17.77740942
0.00000000
0.00000000
A-S
90270RAA2
1.00000000
0.00000000
2.76375002
2.76375002
0.00000000
1.00000000
X-A
90270RAC8
0.72335212
0.00000000
0.94307407
0.94307407
0.00000000
0.67485163
X-B
90270RAE4
1.00000000
0.00000000
0.37783739
0.37783739
0.00000000
1.00000000
B
90270RAG9
1.00000000
0.00000000
3.09841666
3.09841666
0.00000000
1.00000000
C
90270RAJ3
1.00000000
0.00000000
3.58916581
3.58916581
0.00000000
1.00000000
D
90270RAL8
1.00000000
0.00000000
3.71499919
3.71499919
0.00000000
1.00000000
E
90270RAN4
1.00000000
0.00000000
3.71499902
3.71499902
0.00000000
1.00000000
F
90270RAQ7
1.00000000
0.00000000
3.71499890
3.71499890
0.00000000
1.00000000
G
90270RAS3
0.96072118
0.00000000
2.98738530
2.98738530
0.00000000
0.96072118
FACTOR DETAIL
May 2022
STATEMENT TO CERTIFICATE HOLDERS
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
Page 2 of 30

Beginning
Scheduled
Unscheduled
Realized
Ending
Class
Balance
Principal
Principal
Loss
Balance
Original
Current
A-1
0.00
0.00
0.00
0.00
0.00
30.00%
40.44%
A-2
0.00
0.00
0.00
0.00
0.00
30.00%
40.44%
A-3
69,161,173.87
54,652,036.97
0.00
0.00
14,509,136.90
30.00%
40.44%
A-4
150,000,000.00
0.00
0.00
0.00
150,000,000.00
30.00%
40.44%
A-5
476,000,000.00
0.00
0.00
0.00
476,000,000.00
30.00%
40.44%
A-AB
1,845,069.88
1,845,069.88
0.00
0.00
0.00
30.00%
40.44%
A-S
145,610,000.00
0.00
0.00
0.00
145,610,000.00
20.00%
26.90%
B
69,164,000.00
0.00
0.00
0.00
69,164,000.00
15.25%
20.46%
C
65,525,000.00
0.00
0.00
0.00
65,525,000.00
10.75%
14.37%
D
61,884,000.00
0.00
0.00
0.00
61,884,000.00
6.50%
8.62%
E
25,481,000.00
0.00
0.00
0.00
25,481,000.00
4.75%
6.25%
F
18,202,000.00
0.00
0.00
0.00
18,202,000.00
3.50%
4.55%
G
48,961,707.04
0.00
0.00
0.00
48,961,707.04
0.00%
0.00%
Totals:
1,131,833,950.79
56,497,106.85
0.00
0.00
1,075,336,843.94
Credit Support
PRINCIPAL DETAIL
May 2022
STATEMENT TO CERTIFICATE HOLDERS
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
Page 3 of 30

Accrued
Net Prepay
Excess Liquidation Proceeds\
Current
Yield
Total Interest
Cumulative
Certificate
Interest
Reimbursement
Interest
Maintenance
Distribution
Unpaid Interest
Class
Interest
Shortfall
of Realized Loss
Shortfalls
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
145,976.18
0.00
0.00
0.00
0.00
145,976.18
0.00
A-4
348,987.50
0.00
0.00
0.00
0.00
348,987.50
0.00
A-5
1,130,579.33
0.00
0.00
0.00
0.00
1,130,579.33
0.00
A-AB
3,780.70
0.00
0.00
0.00
0.00
3,780.70
0.00
A-S
402,429.64
0.00
0.00
0.00
0.00
402,429.64
0.00
X-A
1,098,565.29
0.00
0.00
0.00
0.00
1,098,565.29
0.00
X-B
50,890.54
0.00
0.00
0.00
0.00
50,890.54
0.00
B
214,298.89
0.00
0.00
0.00
0.00
214,298.89
0.00
C
235,180.09
0.00
0.00
0.00
0.00
235,180.09
0.00
D
229,899.01
0.00
0.00
0.00
0.00
229,899.01
0.00
E
94,661.89
0.00
0.00
0.00
0.00
94,661.89
0.00
F
67,620.41
0.00
0.00
0.00
0.00
67,620.41
0.00
G
181,892.70
0.00
0.00
29,645.11
0.00
152,247.59
3,049,473.07
V
0.00
0.00
0.00
0.00
0.00
0.00
0.00
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:
4,204,762.17
0.00
0.00
29,645.11
0.00
4,175,117.06
3,049,473.07
INTEREST DETAIL
May 2022
STATEMENT TO CERTIFICATE HOLDERS
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
Page 4 of 30

Interest
Fees
Scheduled Interest
4,228,812.67
Servicing Fee
22,577.10
Interest Adjustments
0.00
Trustee/Certificate Administrator Fee
528.21
Deferred Interest
0.00
Operating Advisor Fee
945.17
Net Prepayment Shortfall
0.00
Special Servicing Fee
(82,432.42)
Net Prepayment Interest Excess
0.00
Workout Fee
0.00
Interest Reserve (Deposit)/Withdrawal
0.00
Liquidation Fee
0.00
Interest Collections
4,228,812.67
Special Serv Fee plus Adj.
0.00
Miscellaneous Fee
0.00
Fee Distributions
(58,381.94)
Principal
Scheduled Principal
2,042,290.18
Additional Trust Fund Expenses
Unscheduled Principal
54,454,816.67
Reimbursed for Interest on Advances
0.00
Principal Adjustments
0.00
Net ASER Amount
112,077.55
Principal Collections
56,497,106.85
Non-Recoverable Advances
0.00
Other Expenses or Shortfalls
0.00
Additional Trust Fund Expenses
112,077.55
Other
Payments to Certificateholders
Yield Maintenance
0.00
Interest Distribution
4,175,117.06
Other Collections
0.00
Principal Distribution
56,497,106.85
Yield Maintenance
0.00
Payments to Certificateholders
60,672,223.91
Total Collections
60,725,919.52
Total Distribution
60,725,919.52
0.00
Funds Distribution
Net Difference: Bonds - Collateral
RECONCILIATION OF FUNDS
Funds Collection
May 2022
STATEMENT TO CERTIFICATE HOLDERS
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
Page 5 of 30

Stated Principal Balance
Mortgage Loans
Beginning
Ending
Additional Trust
Interest
1,131,833,950.79
1,075,336,843.94
Losses
Fund Expenses
Shortfalls
Current Collection Period
0.00
0.00
0.00
Interest Reserve Account
Aggregate for All
Beg Balance
(Withdraw)/Dep
End Balance
Prior Collection Periods
2,001,786.67
18,081.37
0.00
0.00
0.00
0.00
Disclosable Special Servicer Fees
Excess Liquidation Proceeds Account
Commission
0.00
Beg Balance
(Withdraw)/Dep
End Balance
Brokerage Fee
0.00
0.00
0.00
0.00
Rebate
0.00
Shared Fee
0.00
Other
0.00
Principal Distribution Amount
56,497,106.85
Advances:
Master
Special
Controlling Class
F
Servicer
Servicer
Trustee
Controlling Class (F) Representative: N/A
Principal
190,313.70
0.00
0.00
Interest
3,057,401.70
0.00
0.00
Interest Accrual Period:
April 1 - April 30
Total Current Advances
3,247,715.40
0.00
0.00
Cumulative Advances
900,535.61
0.00
0.00
REO Final Recovery Determination Date
Loan ID
Date
Interest on Advances
42,092.84
0.00
0.00
N/A
N/A
ADDITIONAL RECONCILIATION DETAIL
May 2022
STATEMENT TO CERTIFICATE HOLDERS
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
Page 6 of 30

Proceeds of Any
Liquidation
Other
Portion Included
Asset Number
Repurchase
Proceeds
Amounts
in Avail Funds
ADDITIONAL LOAN DETAIL
Mortgage Loans Repurchased By Mortgage Loan Seller
Or Otherwise Liquidated Or Disposed During Relating Collection Period
May 2022
STATEMENT TO CERTIFICATE HOLDERS
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
Page 7 of 30

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.
2/14/2022
Barclays Bank PLC
2/10/2022
Natixis Real Estate Capital LLC
2/15/2022
2/15/2022
RAIT Partnership, L.P.
2/11/2022
Redwood Commercial Mortgage Corp.
1/26/2022
0001175134
0001567746
GE Capital US Holdings, Inc. (successor in interest to certain
obligations of General Electric Capital Corporation)
0000312070
0001542256
0001660492
ADDITIONAL LOAN DETAIL
Repurchase/Replacement
0001541886
Status
May 2022
STATEMENT TO CERTIFICATE HOLDERS
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
Page 8 of 30

May 2022
ADDITIONAL LOAN DETAIL
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
Specially Serviced Loans That Are Not Delinquent
Count
Balance
2
97,517,733.08
Current But Not Specially Serviced Loans
(Foreclosure Proceedings Commenced)
Count
Balance
1
0.00
Page 9 of 30

May 2022
ADDITIONAL RECONCILIATION DETAIL
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
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 10 of 30

May 2022
REO STATUS REPORT
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
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
782100006
UT
58,000,000.00
60,726,113.67
21,200,000.00
12/31/2024
3,055,214.00
03/19/2021
Ogden
Retail
58,000,000.00
01/31/2022
883100029
LA
0.00
0.00
0.00
0.00
07/22/2020
Bossier City
Retail
3,810,000.00
3
883100046
TN
0.00
0.00
0.00
0.00
07/31/2017
Memphis
Retail
6,450,000.00
3
Count:
Totals:
3
58,000,000.00
60,726,113.67
21,200,000.00
3,055,214.00
68,260,000.00
(*) 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 30

May 2022
Delinquency Summary Report
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
Current
30 - 59 days
60 - 89 days
90 - 120 days
121 + days
TOTAL
Delinquent
Loan Count
Sched Bal
Percentage*
Actual Bal
78
1,017,336,843.94
94.61%
1,017,515,809.16
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
78
1,017,336,843.94
94.61%
1,017,515,809.16
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
1
58,000,000.00
5.39%
58,000,000.00
1
58,000,000.00
5.39%
58,000,000.00
TOTAL
Loan Count
Sched Bal
Percentage*
Actual Bal
78
1,017,336,843.94
94.61%
1,017,515,809.16
0
0.00
0.00%
0.00
0
0.00
0.00%
0.00
0
0.00
0.00%
0.00
1
58,000,000.00
5.39%
58,000,000.00
79
1,075,336,843.94
100.00%
1,075,515,809.16
Group 1
* Percentages are based on scheduled balance as a percent of total pool scheduled balance.
Page 12 of 30

May 2022
HISTORICAL DELINQUENCY & LIQUIDATION SUMMARY (STATED BALANCE)
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
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
0.00
0.00
0
0
0.00
0
0
0.00
1
58,000,000.00
May 2022
0.00
0.0%
0.0%
0.0%
0.0%
0.0%
5.4%
2
54,552,843.80
5.1%
0
0.00
0.00
0
0
0.00
0
0
0.00
1
58,000,000.00
Apr 2022
0.00
0.0%
0.0%
0.0%
0.0%
0.0%
5.1%
0
0.00
0.0%
0
0.00
0.00
0
0
0.00
0
0
0.00
1
58,000,000.00
Mar 2022
0.00
0.0%
0.0%
0.0%
0.0%
0.0%
5.1%
1
5,809,428.80
0.5%
0
0.00
0.00
0
0
0.00
0
0
0.00
1
58,000,000.00
Feb 2022
0.00
0.0%
0.0%
0.0%
0.0%
0.0%
5.1%
0
0.00
0.0%
0
0.00
0.00
0
0
0.00
0
0
0.00
1
58,000,000.00
Jan 2022
0.00
0.0%
0.0%
0.0%
0.0%
0.0%
5.1%
0
0.00
0.0%
0
0.00
0.00
0
0
0.00
0
0
0.00
1
58,000,000.00
Dec 2021
0.00
0.0%
0.0%
0.0%
0.0%
0.0%
5.1%
0
0.00
0.0%
0
0.00
0.00
0
0
0.00
0
0
0.00
1
58,000,000.00
Nov 2021
0.00
0.0%
0.0%
0.0%
0.0%
0.0%
5.1%
0
0.00
0.0%
0
0.00
0.00
0
0
0.00
0
0
0.00
1
58,000,000.00
Oct 2021
0.00
0.0%
0.0%
0.0%
0.0%
0.0%
5.0%
0
0.00
0.0%
0
0.00
0.00
0
0
0.00
0
0
0.00
1
58,000,000.00
Sep 2021
0.00
0.0%
0.0%
0.0%
0.0%
0.0%
5.0%
0
0.00
0.0%
0
0.00
0.00
0
0
0.00
0
0
0.00
1
58,000,000.00
Aug 2021
0.00
0.0%
0.0%
0.0%
0.0%
0.0%
5.0%
0
0.00
0.0%
0
0.00
0.00
0
1
24,335,226.43
0
0
0.00
1
58,000,000.00
Jul 2021
0.00
0.0%
0.0%
2.1%
0.0%
0.0%
5.0%
0
0.00
0.0%
0
24,416,470.62
0.00
1
0
0.00
0
0
0.00
1
58,000,000.00
Jun 2021
0.00
0.0%
2.1%
0.0%
0.0%
0.0%
5.0%
1
17,814,465.43
1.5%
1
0.00
24,493,989.87
0
0
0.00
0
0
0.00
1
58,000,000.00
May 2021
0.00
2.1%
0.0%
0.0%
0.0%
0.0%
4.9%
0
0.00
0.0%
0
0.00
0.00
0
0
0.00
0
0
0.00
1
58,000,000.00
Apr 2021
0.00
0.0%
0.0%
0.0%
0.0%
0.0%
4.9%
1
3,020,817.45
0.3%
0
0.00
0.00
0
1
58,000,000.00
0
0
0.00
1
3,020,817.45
Mar 2021
0.00
0.0%
0.0%
4.9%
0.0%
0.0%
0.3%
0
0.00
0.0%
(2) Percentage in relation to Ending Scheduled Balance
(1) Exclusive of loans in Bankruptcy, Foreclosure and REO
Page 13 of 30

May 2022
BOND/COLLATERAL REALIZED LOSS RECONCILIATION
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
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
883100029
3,020,817.45
1,828,497.25
0.00
0.00
0.00
0.00
Apr 2021
0.00
1,828,497.25
0.00
0.00
883100046
5,438,744.34
415,364.68
0.00
0.00
0.00
0.00
Dec 2019
0.00
415,364.68
0.00
0.00
883100046
256,408.19
415,364.68
0.00
0.00
0.00
May 2020
(158,956.49)
256,408.19
0.00
0.00
883100046
217,857.22
256,408.19
0.00
0.00
0.00
Jan 2021
(38,550.97)
217,857.22
0.00
0.00
883100046
173,289.42
217,857.22
0.00
0.00
0.00
Apr 2022
(44,567.80)
173,289.42
0.00
0.00
2
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
0.00
0.00
0.00
(242,075.26)
2,001,786.67
2,001,786.67
0.00
0.00
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 14 of 30

May 2022
HISTORICAL LIQUIDATION LOSS LOAN DETAIL
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
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
3,020,817.45
1,500,000.00
1,900,394.49
708,074.29
1,192,320.20
1,828,497.25
883100029
3
Apr 2021
5,438,744.34
5,050,000.00
5,164,567.67
(100,887.25)
5,265,454.92
173,289.42
883100046
3
Dec 2019
7,064,962.16
607,187.04
6,457,775.12
2,001,786.67
Count:
Totals:
2
8,459,561.79
6,550,000.00
* 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 30

May 2022
HISTORICAL LOAN MODIFICATION REPORT
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
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
*
782100003
7/1/2020
0.00
0.00
3.7090
0.00
0.0000
0.00
6/1/2020
1
782100009
4/15/2020
0.00
0.00
5.0000
0.00
0.0000
0.00
8/5/2022
8
782100016
2/10/2021
0.00
0.00
4.7300
0.00
0.0000
0.00
12/5/2022
10
883100045
7/6/2020
0.00
0.00
4.9000
0.00
0.0000
0.00
9/6/2022
10
*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 16 of 30

May 2022
HISTORICAL LOAN MODIFICATION REPORT
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
Loan ID
Ending
Scheduled
Balance
Comments
Ending
Unpaid
Balance
Page 17 of 30

May 2022
INTEREST ADJUSTMENT RECONCILIATION
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
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
15,416.67
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
74,000,000.00
0.00
0.00
782100003
12,083.33
0.00
0.00
112,077.55
0.00
0.00
0.00
0.00
0.00
58,000,000.00
0.00
0.00
782100006
-109,932.42
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
23,517,733.08
0.00
0.00
782100009
155,517,733.08
Count:
Totals:
3
-82,432.42
0.00
0.00
112,077.55
0.00
0.00
0.00
0.00
0.00
0.00
0.00
Total Interest Shortfall hitting the Trust:
29,645.13
*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 30

May 2022
DEFEASED LOAN DETAIL
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
Current Ending
Scheduled Balance
Maturity Date
Current
Note Rate
Defeasance
Status *
Loan ID
5,611,489.42
09/06/2022
5.00
F
20A
4,628,290.42
12/06/2022
4.41
F
24A
1,639,461.69
10/06/2022
5.85
F
27A
3,850,953.15
10/01/2022
5.36
F
625100002
2,492,641.99
12/01/2022
4.84
F
625100005
128,200,000.00
06/06/2022
3.85
F
782100002
53,597,374.58
09/06/2022
4.83
F
782100004
19,917,508.87
10/01/2022
4.41
F
782100015
17,444,793.40
09/01/2022
4.16
F
782100019
11,087,911.06
09/06/2022
5.00
F
782100020
16,236,783.94
06/06/2022
4.12
F
782100021
16,054,628.52
10/05/2022
4.69
F
782100022
9,418,301.64
10/06/2022
5.85
F
782100027
10,641,645.54
09/01/2022
4.37
F
782100028
9,644,362.95
09/06/2022
5.56
F
782100031
9,715,823.26
07/06/2022
4.63
F
782100033
8,833,784.15
08/06/2022
5.08
F
782100038
7,705,955.70
10/06/2022
5.25
F
782100042
7,283,613.59
08/06/2022
4.86
F
782100044
7,000,000.00
06/06/2022
4.87
F
782100053
4,516,307.69
09/06/2022
4.54
F
782100063
3,848,922.19
08/01/2022
5.07
F
782100064
3,959,587.17
08/06/2022
5.02
F
782100069
3,699,738.00
08/06/2022
4.65
F
782100070
3,241,089.01
10/06/2022
5.22
F
782100072
3,282,839.98
09/01/2022
4.45
F
782100073
3,111,071.09
10/06/2022
5.65
F
782100075
2,201,011.57
06/06/2022
4.75
F
782100083
2,044,378.69
08/06/2022
4.86
F
782100086
122,424,086.30
06/06/2022
5.04
F
883100026
6,824,919.24
09/06/2022
4.70
F
883100043
8,240,223.29
12/06/2022
4.41
P
883100044
25,643,584.50
09/06/2022
4.90
F
883100045
5,295,596.80
11/06/2022
4.96
F
883100047
Page 19 of 30

May 2022
DEFEASED LOAN DETAIL
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
Current Ending
Scheduled Balance
Maturity Date
Current
Note Rate
Defeasance
Status *
Loan ID
549,338,679.39
Count:
Totals:
34
* Defeasance Status: P = Portion of Loan Previously Defeased. F = Full Defeasance.
Page 20 of 30

May 2022
APPRAISAL REDUCTION REPORT
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
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
782100006
05/01/2021
36,616,680.20
04/06/2022
21,200,000.00
01/31/2022
112,077.55
2,221,684.03
Count:
Totals:
1
36,616,680.20
21,200,000.00
112,077.55
2,221,684.03
Page 21 of 30

May 2022
LOAN LEVEL DETAIL
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
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
20A
Office
XX
09/06/22
N
5,611,489.42
36,077.56
0.00
05/06/22
0.00
0
23,433.89
0.00
5.000
0.00
24A
Various
CA
12/06/22
N
4,628,290.42
28,309.64
0.00
05/06/22
0.00
0
17,050.35
0.00
4.410
0.00
27A
Lodging
CT
10/06/22
N
1,639,461.69
13,208.65
0.00
05/08/22
0.00
0
8,010.86
0.00
5.845
0.00
625100001
Retail
AZ
08/01/22
N
2,325,259.37
15,020.29
0.00
05/01/22
0.00
0
9,614.00
0.00
4.950
3.82
12/31/20
625100002
Lodging
NY
10/01/22
N
3,850,953.15
30,287.75
0.00
05/01/22
0.00
0
17,259.12
0.00
5.360
0.00
625100004
Retail
PA
11/01/22
N
5,488,801.84
33,341.96
0.00
05/01/22
0.00
0
19,717.03
0.00
4.300
2.51
12/31/20
625100005
Retail
MS
12/01/22
N
2,492,641.99
15,812.58
0.00
05/01/22
0.00
0
10,076.79
0.00
4.840
0.00
782100002
Office
TX
06/06/22
N
128,200,000.00
410,774.17
0.00
05/06/22
0.00
0
410,774.17
0.00
3.845
0.00
782100003
Retail
05/22/20 CA
06/01/20
N
74,000,000.00
228,721.67
0.00
05/01/22
0.00
4
228,721.67
0.00
3.709
3.39
12/31/20
782100004
Office
OK
09/06/22
N
53,597,374.58
331,796.98
0.00
05/06/22
0.00
0
216,328.48
0.00
4.833
0.00
782100005
Lodging
OH
11/06/22
N
49,034,318.97
300,314.80
0.00
05/06/22
0.00
0
180,069.55
0.00
4.396
0.33
12/31/20
782100006
Retail
03/09/20 UT
05/01/20
N
58,000,000.00
178,495.00
0.00
05/01/21
0.00
6
178,495.00
0.00
3.693
1.32
12/31/20
782100007
Retail
NJ
10/06/22
N
0.00
271,440.55
49,701,976.75 05/06/22
05/06/22
0.00
0
184,550.73
0.00
4.448
1.39
12/31/21
782100009
Lodging
04/10/20 XX
08/05/22
N
23,517,733.08
182,979.48
0.00
04/05/22
0.00
B
98,343.21
0.00
5.000
2.24
12/31/21
782100011
Retail
NY
09/05/17
07/05/17
782100012
Retail
NY
12/06/22
N
23,150,524.37
138,299.09
0.00
05/06/22
0.00
0
79,983.46
0.00
4.136
1.11
12/31/20
782100013
Retail
NY
09/05/22
N
21,148,811.00
136,889.51
0.00
05/05/22
0.00
0
88,322.41
0.00
5.000
1.50
12/31/21
782100014
Lodging
NY
12/06/17
09/06/17
782100015
Mixed Use
TX
10/01/22
N
19,917,508.87
121,828.48
0.00
05/01/22
0.00
0
73,374.91
0.00
4.410
0.00
782100016
Retail
06/11/20 TX
12/05/22
N
18,443,348.94
115,621.82
0.00
05/05/22
0.00
0
72,866.06
0.00
4.730
2.02
12/31/21
782100018
Lodging
OH
11/06/22
N
17,162,011.68
105,110.18
0.00
04/06/22
0.00
B
63,024.34
0.00
4.396
-0.57
12/31/20
782100019
Mobile Home
FL
09/01/22
N
17,444,793.40
99,040.48
0.00
05/01/22
0.00
0
60,608.51
0.00
4.160
0.00
782100020
Office
XX
09/06/22
N
11,087,911.06
71,286.76
0.00
05/06/22
0.00
0
46,303.73
0.00
5.000
0.00
782100021
Office
IL
06/06/22
N
16,236,783.94
96,854.43
0.00
05/06/22
0.00
0
55,866.67
0.00
4.119
0.00
782100022
Multifamily
LA
10/05/22
N
16,054,628.52
101,058.20
0.00
05/05/22
0.00
0
62,942.74
0.00
4.694
0.00
782100025
Office
TX
12/06/17
12/06/17
782100027
Lodging
CT
10/06/22
N
9,418,301.64
75,925.68
0.00
05/06/22
0.00
0
46,020.64
0.00
5.845
0.00
782100028
Office
OR
09/01/22
N
10,641,645.54
64,868.75
0.00
05/01/22
0.00
0
38,848.08
0.00
4.370
0.00
782100029
Office
CA
12/06/22
N
10,199,654.46
61,653.59
0.00
05/06/22
0.00
0
36,400.67
0.00
4.272
1.52
12/31/20
782100030
Retail
04/01/20 TX
11/06/22
N
10,380,845.14
66,340.84
0.00
05/06/22
0.00
0
42,485.86
0.00
4.900
1.65
12/31/21
782100031
Lodging
NJ
09/06/22
N
9,644,362.95
76,604.80
0.00
05/06/22
0.00
0
44,846.80
0.00
5.562
0.00
782100033
Retail
TX
07/06/22
N
9,715,823.26
60,832.39
0.00
05/06/22
0.00
0
37,576.61
0.00
4.630
0.00
782100037
Office
TX
11/06/22
04/25/18
782100038
Multifamily
OH
08/06/22
N
8,833,784.15
57,422.48
0.00
05/06/22
0.00
0
37,480.77
0.00
5.080
0.00
782100039
Office
PA
12/06/22
N
8,466,908.87
52,188.59
0.00
05/06/22
0.00
0
31,827.26
0.00
4.500
1.50
12/31/21
782100040
Retail
KY
11/06/22
N
8,164,601.88
56,724.53
0.00
05/06/22
0.00
0
32,074.57
0.00
4.700
2.15
12/31/21
782100041
Lodging
TN
09/06/22
N
7,466,746.56
57,582.12
0.00
05/06/22
0.00
0
31,221.28
0.00
5.000
2.09
12/31/21
782100042
Office
HI
10/06/22
N
7,705,955.70
50,581.86
0.00
05/06/22
0.00
0
33,787.03
0.00
5.250
0.00
782100043
Office
IN
12/06/22
N
7,282,084.55
45,690.39
0.00
05/06/22
0.00
0
28,646.04
0.00
4.710
1.48
12/31/21
782100044
Self Storage
MI
08/06/22
N
7,283,613.59
46,490.24
0.00
05/06/22
0.00
0
29,567.17
0.00
4.860
0.00
782100045
Multifamily
MI
12/06/22
N
6,721,182.50
51,635.76
0.00
04/06/22
0.00
B
28,665.46
0.00
5.101
1.35
12/31/20
Page 22 of 30

May 2022
LOAN LEVEL DETAIL
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
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
782100046
Lodging
CA
11/06/22
N
6,397,994.16
47,729.52
0.00
05/06/22
0.00
0
24,614.25
0.00
4.600
2.22
12/31/21
782100048
Office
TX
11/06/22
N
6,601,034.20
41,464.10
0.00
05/06/22
0.00
0
25,884.19
0.00
4.694
2.05
12/31/21
782100051
Self Storage
CA
11/06/22
N
6,993,423.47
35,943.67
0.00
05/06/22
0.00
0
24,851.44
0.00
4.258
3.91
12/31/21
782100052
Multifamily
TX
12/06/22
05/06/20
782100053
Office
NJ
06/06/22
N
7,000,000.00
28,425.83
0.00
05/06/22
0.00
0
28,425.83
0.00
4.873
0.00
782100056
Mixed Use
TX
09/06/22
N
5,398,721.46
34,656.45
0.00
05/06/22
0.00
0
22,096.07
0.00
4.900
2.01
12/31/21
782100058
Retail
CA
12/06/22
N
4,853,087.21
36,329.40
0.00
05/06/22
0.00
0
19,103.80
0.00
4.707
2.48
12/31/21
782100060
Lodging
FL
12/06/22
N
4,961,706.33
31,075.01
0.00
05/06/22
0.00
0
19,429.23
0.00
4.688
8.15
12/31/21
782100063
Self Storage
NM
09/06/22
N
4,516,307.69
28,008.39
0.00
05/06/22
0.00
0
17,139.14
0.00
4.543
0.00
782100064
Self Storage
VA
08/01/22
N
3,848,922.19
29,710.46
0.00
05/01/22
0.00
0
16,318.28
0.00
5.070
0.00
782100065
Retail
AL
12/06/22
N
4,136,314.82
25,931.89
0.00
05/06/22
0.00
0
16,238.53
0.00
4.700
1.30
12/31/21
782100068
Retail
IN
10/01/17
08/01/17
782100069
Mixed Use
CA
08/06/22
N
3,959,587.17
25,562.93
0.00
05/06/22
0.00
0
16,608.35
0.00
5.022
0.00
782100070
Self Storage
CA
08/06/22
N
3,699,738.00
23,203.66
0.00
05/06/22
0.00
0
14,370.71
0.00
4.650
0.00
782100072
Multifamily
NY
10/06/22
N
3,241,089.01
25,096.60
0.00
05/06/22
0.00
0
14,149.07
0.00
5.221
0.00
782100073
Industrial
NY
09/01/22
N
3,282,839.98
20,148.75
0.00
05/01/22
0.00
0
12,203.33
0.00
4.450
0.00
782100074
Retail
GA
11/06/22
N
3,328,040.76
21,375.19
0.00
05/06/22
0.00
0
13,787.27
0.00
4.960
1.79
12/31/21
782100075
Various
OH
10/06/22
N
3,111,071.09
24,932.73
0.00
05/06/22
0.00
0
14,706.51
0.00
5.654
0.00
782100078
Office
TX
11/06/22
N
3,142,986.27
19,868.43
0.00
05/06/22
0.00
0
12,522.57
0.00
4.770
1.94
12/31/20
782100079
Office
TX
12/01/22
N
2,977,341.92
18,445.78
0.00
04/01/22
0.00
B
11,340.90
0.00
4.560
1.96
12/31/21
782100080
Self Storage
TX
11/01/22
N
2,462,721.65
15,962.68
0.00
05/01/22
0.00
0
10,428.38
0.00
5.070
1.96
12/31/21
782100082
Self Storage
CA
11/06/22
N
2,700,000.00
9,579.38
0.00
05/06/22
0.00
0
9,579.38
0.00
4.258
10.04
12/31/21
782100083
Retail
GA
06/06/22
N
2,201,011.57
13,954.07
0.00
05/06/22
0.00
0
8,733.00
0.00
4.750
0.00
782100084
Self Storage
CA
11/06/22
N
2,538,708.35
13,048.05
0.00
05/06/22
0.00
0
9,021.41
0.00
4.258
4.70
12/31/21
782100085
Retail
TX
12/01/22
N
1,163,639.45
19,444.44
0.00
05/01/22
0.00
0
4,459.13
0.00
4.540
1.26
12/31/21
782100086
Self Storage
MI
08/06/22
N
2,044,378.69
13,048.96
0.00
05/06/22
0.00
0
8,298.97
0.00
4.860
0.00
782100087
Retail
TX
12/06/22
N
2,016,295.15
12,466.25
0.00
05/06/22
0.00
0
7,639.84
0.00
4.536
2.22
12/31/21
782100088
Retail
FL
12/06/17
08/04/17
883100026
Other
XX
06/06/22
N
122,424,086.30
754,976.47
0.00
05/06/22
0.00
0
515,188.27
0.00
5.040
0.00
883100027
Retail
GA
10/06/22
N
3,780,032.68
28,707.55
0.00
04/06/22
0.00
B
15,237.24
0.00
4.820
2.19
12/31/21
883100028
Retail
MD
10/06/22
N
3,024,026.09
22,966.04
0.00
05/06/22
0.00
0
12,189.79
0.00
4.820
1.57
12/31/21
883100029
Retail
LA
05/06/22
04/05/21
883100030
Office
CT
11/06/22
N
6,743,716.02
38,990.27
0.00
05/06/22
0.00
0
24,526.56
0.00
4.355
0.00
883100031
Office
CT
11/06/22
N
7,336,441.53
42,417.24
0.00
05/06/22
0.00
0
26,682.27
0.00
4.355
0.00
883100032
Office
CT
11/06/22
N
24,688,220.40
142,740.33
0.00
05/06/22
0.00
0
89,789.83
0.00
4.355
0.00
883100034
Retail
AZ
05/06/22
N
0.00
29,994.72
4,752,839.92 05/06/22
05/06/22
0.00
0
18,857.41
0.00
4.750
0.00
883100035
Industrial
CA
06/06/22
02/28/22
883100036
Self Storage
CA
11/06/22
N
4,400,000.00
13,621.67
0.00
05/06/22
0.00
0
13,621.67
0.00
3.715
7.26
12/31/21
883100037
Mixed Use
MN
11/06/22
06/01/21
883100038
Office
MD
12/06/22
N
6,085,035.15
36,239.88
0.00
05/06/22
0.00
0
20,843.14
0.00
4.100
1.39
12/31/21
883100039
Office
MD
12/06/22
N
9,540,752.99
58,557.31
0.00
05/06/22
0.00
0
35,465.92
0.00
4.450
2.10
12/31/21
Page 23 of 30

May 2022
LOAN LEVEL DETAIL
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
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
883100040
Office
MD
12/06/22
N
12,207,145.81
75,242.77
0.00
05/06/22
0.00
0
45,886.88
0.00
4.500
1.32
12/31/21
883100041
Office
MD
12/06/22
N
9,062,880.39
55,862.06
0.00
05/06/22
0.00
0
34,067.53
0.00
4.500
1.92
12/31/21
883100042
Mixed Use
MO
12/06/22
N
14,332,696.91
89,515.00
0.00
05/06/22
0.00
0
55,729.98
0.00
4.655
1.92
12/31/20
883100043
Self Storage
CA
09/06/22
N
6,824,919.24
42,787.62
0.00
05/06/22
0.00
0
26,793.58
0.00
4.700
0.00
883100044
Various
CA
12/06/22
N
8,240,223.29
50,402.59
0.00
04/06/22
0.00
B
30,356.49
0.00
4.410
1.40
12/31/20
883100045
Retail
VA
09/06/22
N
25,643,584.50
161,340.92
0.00
05/06/22
0.00
0
104,941.60
0.00
4.900
0.00
883100046
Retail
TN
12/06/22
12/03/19
883100047
Multifamily
TX
11/06/22
N
5,295,596.80
33,933.11
0.00
05/06/22
0.00
0
21,938.05
0.00
4.960
0.00
883100050
Multifamily
TX
12/06/22
N
9,851,139.52
57,949.65
0.00
05/06/22
0.00
0
32,576.03
0.00
3.958
1.98
12/31/21
883100051
Multifamily
TX
12/06/22
04/29/16
883100052
Industrial
OH
12/06/22
N
4,321,228.65
32,332.98
0.00
05/06/22
0.00
0
16,984.93
0.00
4.700
2.49
12/31/20
883100054
Multifamily
TX
12/06/22
03/29/19
1,075,336,843.94
6,271,102.85
54,454,816.67
0.00
94
Totals:
Count:
4,228,812.67
0.00
** 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 24 of 30

May 2022
MATERIAL BREACHES AND DOCUMENT DEFECTS
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
Loan ID
Ending Principal
Balance
Material Breach Date
Date Received Notice
Description
Totals:
Count:
Page 25 of 30

May 2022
MORTGAGE LOAN CHARACTERISTICS
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
Count
Balance ($)
%
0M to 4.9M
29
$94,647,681.34
8.80%
5M to 9.9M
27
$203,175,535.13
18.89%
10M to 14.9M
6
$68,849,898.92
6.40%
15M to 19.9M
6
$105,259,075.35
9.79%
20M to 24.9M
4
$92,505,288.85
8.60%
25M to 29.9M
1
$25,643,584.50
2.38%
45M to 49.9M
1
$49,034,318.97
4.56%
50M to 54.9M
1
$53,597,374.58
4.98%
55M to 59.9M
1
$58,000,000.00
5.39%
70M to 74.9M
1
$74,000,000.00
6.88%
120M to 124.9M
1
$122,424,086.30
11.38%
125M to 129.9M
1
$128,200,000.00
11.92%
Total
79
$1,075,336,843.94
100.00%
Remaining Principal Balance
Count
Balance ($)
%
3.500% - 3.740%
3
$136,400,000.00
12.68%
3.750% - 3.990%
2
$138,051,139.52
12.84%
4.000% - 4.240%
4
$62,917,136.86
5.85%
4.250% - 4.490%
16
$189,136,557.81
17.59%
4.500% - 4.740%
21
$156,199,725.95
14.53%
4.750% - 4.990%
15
$136,938,113.49
12.73%
5.000% - 5.240%
12
$220,324,064.09
20.49%
5.250% - 5.490%
2
$11,556,908.85
1.07%
5.500% - 5.740%
2
$12,755,434.04
1.19%
5.750% - 5.990%
2
$11,057,763.33
1.03%
Total
79
$1,075,336,843.94
100.00%
Gross Rate
Total Weighted Average Rate: 4.48%
Page 26 of 30

May 2022
MORTGAGE LOAN CHARACTERISTICS
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
Count
Balance ($)
%
TEXAS
14
$225,567,002.63
20.98%
VARIOUS
4
$162,641,219.86
15.12%
CALIFORNIA
13
$139,435,625.77
12.97%
OHIO
5
$82,462,414.54
7.67%
UTAH
1
$58,000,000.00
5.39%
NEW YORK
5
$54,674,217.51
5.08%
OKLAHOMA
1
$53,597,374.58
4.98%
CONNECTICUT
5
$49,826,141.28
4.63%
MARYLAND
5
$39,919,840.43
3.71%
VIRGINIA
2
$29,492,506.69
2.74%
FLORIDA
2
$22,406,499.73
2.08%
NEW JERSEY
2
$16,644,362.95
1.55%
ILLINOIS
1
$16,236,783.94
1.51%
LOUISIANA
1
$16,054,628.52
1.49%
MICHIGAN
3
$16,049,174.78
1.49%
MISSOURI
1
$14,332,696.91
1.33%
PENNSYLVANIA
2
$13,955,710.71
1.30%
OREGON
1
$10,641,645.54
0.99%
GEORGIA
3
$9,309,085.01
0.87%
KENTUCKY
1
$8,164,601.88
0.76%
HAWAII
1
$7,705,955.70
0.72%
TENNESSEE
1
$7,466,746.56
0.69%
INDIANA
1
$7,282,084.55
0.68%
NEW MEXICO
1
$4,516,307.69
0.42%
ALABAMA
1
$4,136,314.82
0.38%
MISSISSIPPI
1
$2,492,641.99
0.23%
ARIZONA
1
$2,325,259.37
0.22%
Total
79
$1,075,336,843.94
100.00%
Geographic Distribution by State
Page 27 of 30

May 2022
MORTGAGE LOAN CHARACTERISTICS
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
Count
Balance ($)
%
Industrial
2
$7,604,068.63
0.71%
Lodging
10
$133,093,590.21
12.38%
Mixed Use
4
$43,608,514.41
4.06%
Mobile Home Park
1
$17,444,793.40
1.62%
Multifamily
6
$49,997,420.50
4.65%
Office
21
$354,415,362.80
32.96%
Other
1
$122,424,086.30
11.38%
Retail
20
$283,456,690.02
26.36%
Self Storage
11
$47,312,732.87
4.40%
Various
3
$15,979,584.80
1.49%
Total
79
$1,075,336,843.94
100.00%
Property Type
Count
Balance ($)
%
111 - 113
37
$503,881,211.08
46.86%
114 - 116
40
$545,612,640.41
50.74%
117 - 119
2
$25,842,992.45
2.40%
Total
79
$1,075,336,843.94
100.00%
Seasoning
Months
Total Weighted Average Seasoning: 114
Page 28 of 30

May 2022
MORTGAGE LOAN CHARACTERISTICS
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
Count
Balance ($)
%
0 - 2
2
$132,000,000.00
12.28%
3 - 5
19
$255,340,830.17
23.75%
6 - 8
57
$680,996,013.77
63.33%
78 - 80
1
$7,000,000.00
0.65%
Total
79
$1,075,336,843.94
100.00%
Remaining Term to Maturity
Months
Total Weighted Average Remaining Months: 6
Count
Balance ($)
%
0.500 - 0.990
1
$17,162,011.68
1.60%
1.000 - 1.490
8
$103,835,625.57
9.66%
1.500 - 1.990
41
$552,910,930.38
51.42%
2.000 - 2.490
20
$169,820,376.95
15.79%
2.500 - 2.990
3
$207,688,801.84
19.31%
3.000 - 3.490
1
$6,993,423.47
0.65%
3.500 - 3.990
1
$2,325,259.37
0.22%
4.500 - 4.990
1
$2,538,708.35
0.24%
7.000 - 7.490
1
$4,400,000.00
0.41%
8.000 - 8.490
1
$4,961,706.33
0.46%
10.00 - 10.49
1
$2,700,000.00
0.25%
Total
79
$1,075,336,843.94
100.00%
DSCR
Total Weighted Average DSCR: 2.06
Page 29 of 30

May 2022
MORTGAGE LOAN CHARACTERISTICS
UBS-Barclays Commercial Mortgage Trust 2012-C4
Commercial Mortgage Pass-Through Certificates, Series 2012-C4
Count
Balance ($)
%
Amortizing Balloon
63
$525,461,893.51
48.86%
IO Maturity Balloon
6
$274,300,000.00
25.51%
IO/Amortizing/Balloon
10
$275,574,950.43
25.63%
Total
79
$1,075,336,843.94
100.00%
Amortization Type
Page 30 of 30



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