January 2023

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

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:

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:

Jan 12, 2023

Prior Payment:

Dec 12, 2022

Next Payment:

Feb 10, 2023

Record Date:

Dec 30, 2022

Determination Date:

Jan 6, 2023

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.

Statement to Certificate Holders

Page 1

Additional Loan Detail

Page 9

REO Additional Detail

Page 10

REO Status Report

Page 11

Delinquency Summary Report

Page 12

Historical Delinquency & Liquidation (Stated)

Page 13

Bond/Collateral Realized Loss Reconciliation

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 24

Mortgage Loan Characteristics

Page 25

Next

Pass-Through

Original

Beginning

Principal

Interest

Total

Realized

Ending

Class

Rate

Balance

Distribution

Loss

Balance

A-1

0.6728%

84,000,000.00

0.00

A-2

1.7119%

73,267,000.00

0.00

A-3

2.5328%

132,000,000.00

0.00

A-4

2.7919%

150,000,000.00

0.00

A-5

2.8502%

476,000,000.00

0.00

A-AB

2.4589%

104,000,000.00

0.00

A-S

3.3165%

145,610,000.00

0.00

X-A

0.0000%

1,164,877,000.00

0.00

X-B

0.0000%

134,689,000.00

0.00

3.7181%

69,164,000.00

0.00

3.7756%

3.7753%

65,525,000.00

0.00

3.9266%

3.9263%

61,884,000.00

0.00

3.9266%

3.9263%

25,481,000.00

25,434,991.15

104,367.20

83,228.15

187,595.35

0.00

25,330,623.95

3.9266%

3.9263%

18,202,000.00

0.00

59,560.42

0.00

18,202,000.00

3.9266%

3.9263%

50,963,493.00

48,960,483.69

0.00

140,273.88

0.00

48,960,483.69

0.0000%

100.00

0.00

100.00

0.0000%

100.00

0.00

100.00

0.0000%

100.00

0.00

100.00

Totals:

1,456,096,493.00

92,597,474.84

104,367.20

283,062.45

387,429.65

0.00

92,493,107.64

PAYMENT DETAIL

January 2023

STATEMENT TO CERTIFICATE HOLDERS

UBS-Barclays Commercial Mortgage Trust 2012-C4

Commercial Mortgage Pass-Through Certificates, Series 2012-C4

Page 1 of 28

Beginning

Principal

Interest

Total

Realized

Ending

Class

CUSIP

Balance

Distribution

Loss

Balance

A-1

90270RBA1

0.00000000

A-2

90270RBB9

0.00000000

A-3

90270RBC7

0.00000000

A-4

90270RBD5

0.00000000

A-5

90270RBE3

0.00000000

A-AB

90270RBF0

0.00000000

A-S

90270RAA2

0.00000000

X-A

90270RAC8

0.00000000

X-B

90270RAE4

0.00000000

90270RAG9

0.00000000

90270RAJ3

0.00000000

90270RAL8

0.00000000

90270RAN4

0.99819439

4.09588321

3.26628272

7.36216593

0.00000000

0.99409850

90270RAQ7

1.00000000

0.00000000

3.27219097

0.00000000

1.00000000

90270RAS3

0.96069717

0.00000000

2.75243850

0.00000000

0.96069717

FACTOR DETAIL

January 2023

STATEMENT TO CERTIFICATE HOLDERS

UBS-Barclays Commercial Mortgage Trust 2012-C4

Commercial Mortgage Pass-Through Certificates, Series 2012-C4

Page 2 of 28

Beginning

Scheduled

Unscheduled

Realized

Ending

Class

Balance

Principal

Loss

Balance

Original

Current

A-1

0.00

30.00%

100.00%

A-2

0.00

30.00%

100.00%

A-3

0.00

30.00%

100.00%

A-4

0.00

30.00%

100.00%

A-5

0.00

30.00%

100.00%

A-AB

0.00

30.00%

100.00%

A-S

0.00

20.00%

100.00%

0.00

15.25%

100.00%

0.00

10.75%

100.00%

0.00

6.50%

100.00%

25,434,991.15

104,367.20

0.00

25,330,623.95

4.75%

72.61%

18,202,000.00

0.00

18,202,000.00

3.50%

52.93%

48,960,483.69

0.00

48,960,483.69

0.00%

Totals:

92,597,474.84

104,367.20

0.00

92,493,107.64

PRINCIPAL DETAIL

Credit Support

January 2023

STATEMENT TO CERTIFICATE HOLDERS

UBS-Barclays Commercial Mortgage Trust 2012-C4

Commercial Mortgage Pass-Through Certificates, Series 2012-C4

Page 3 of 28

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

A-2

0.00

A-3

0.00

A-4

0.00

A-5

0.00

A-AB

0.00

A-S

0.00

X-A

0.00

X-B

0.00

83,228.15

0.00

83,228.15

0.00

59,560.42

0.00

59,560.42

0.00

160,208.05

0.00

19,934.17

0.00

140,273.88

2,815,680.06

0.00

Totals:

302,996.62

0.00

19,934.17

0.00

283,062.45

2,815,680.06

INTEREST DETAIL

January 2023

STATEMENT TO CERTIFICATE HOLDERS

UBS-Barclays Commercial Mortgage Trust 2012-C4

Commercial Mortgage Pass-Through Certificates, Series 2012-C4

Page 4 of 28

Interest

Fees

Scheduled Interest

314,815.63

Servicing Fee

1,594.73

Interest Adjustments

0.00

Trustee/Certificate Administrator Fee

44.65

Deferred Interest

0.00

Operating Advisor Fee

79.74

Net Prepayment Shortfall

0.00

Special Servicing Fee

19,934.17

Net Prepayment Interest Excess

0.00

Workout Fee

0.00

Interest Reserve (Deposit)/Withdrawal

(10,099.89)

Liquidation Fee

0.00

Interest Collections

304,715.74

Special Serv Fee plus Adj.

0.00

Miscellaneous Fee

0.00

Fee Distributions

21,653.29

Principal

Scheduled Principal

90,288.58

Additional Trust Fund Expenses

Unscheduled Principal

14,078.62

Reimbursed for Interest on Advances

0.00

Principal Adjustments

0.00

Net ASER Amount

0.00

Principal Collections

104,367.20

Non-Recoverable Advances

0.00

Other Expenses or Shortfalls

0.00

Additional Trust Fund Expenses

0.00

Other

Payments to Certificateholders

Yield Maintenance

0.00

Interest Distribution

283,062.45

Other Collections

0.00

Principal Distribution

104,367.20

Yield Maintenance

0.00

Payments to Certificateholders

387,429.65

Total Collections

409,082.94

Total Distribution

409,082.94

0.00

Net Difference: Bonds - Collateral

RECONCILIATION OF FUNDS

Funds Collection

Funds Distribution

January 2023

STATEMENT TO CERTIFICATE HOLDERS

UBS-Barclays Commercial Mortgage Trust 2012-C4

Commercial Mortgage Pass-Through Certificates, Series 2012-C4

Page 5 of 28

Stated Principal Balance

Mortgage Loans

Beginning

Ending

Additional Trust

Interest

92,597,474.84

92,493,107.64

Losses

Fund Expenses

Shortfalls

Current Collection Period

0.00

Interest Reserve Account

Aggregate for All

Beg Balance

(Withdraw)/Dep

End Balance

Prior Collection Periods

2,003,010.02

18,081.37

0.00

10,099.89

Disclosable Special Servicer Fees

Excess Liquidation Proceeds Account

Commission

0.00

Beg Balance

(Withdraw)/Dep

End Balance

Brokerage Fee

0.00

Rebate

0.00

Shared Fee

0.00

Other

0.00

Principal Distribution Amount

104,367.20

Advances:

Master

Special

Controlling Class

Servicer

Trustee

Controlling Class (F) Representative: N/A

Principal

300,850.88

0.00

Interest

431,375.48

0.00

Interest Accrual Period:

December 1 - December 31

Total Current Advances

732,226.36

0.00

Cumulative Advances

729,846.88

0.00

REO Final Recovery Determination Date

Loan ID

Date

Interest on Advances

9,251.86

0.00

N/A

ADDITIONAL RECONCILIATION DETAIL

January 2023

STATEMENT TO CERTIFICATE HOLDERS

UBS-Barclays Commercial Mortgage Trust 2012-C4

Commercial Mortgage Pass-Through Certificates, Series 2012-C4

Page 6 of 28

Proceeds of Any

Liquidation

Other

Portion Included

Asset Number

Repurchase

Proceeds

Amounts

in Avail Funds

Mortgage Loans Repurchased By Mortgage Loan Seller

Or Otherwise Liquidated Or Disposed During Relating Collection Period

ADDITIONAL LOAN DETAIL

January 2023

STATEMENT TO CERTIFICATE HOLDERS

UBS-Barclays Commercial Mortgage Trust 2012-C4

Commercial Mortgage Pass-Through Certificates, Series 2012-C4

Page 7 of 28

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.

8/12/2022

Barclays Bank PLC

11/3/2022

Natixis Real Estate Capital LLC

2/15/2022

RAIT Partnership, L.P.

2/11/2022

Redwood Commercial Mortgage Corp.

1/26/2022

Status

ADDITIONAL LOAN DETAIL

Repurchase/Replacement

0001541886

0001175134

0001567746

GE Capital US Holdings, Inc. (successor in interest to certain

obligations of General Electric Capital Corporation)

0000312070

0001542256

0001660492

January 2023

STATEMENT TO CERTIFICATE HOLDERS

UBS-Barclays Commercial Mortgage Trust 2012-C4

Commercial Mortgage Pass-Through Certificates, Series 2012-C4

Page 8 of 28

January 2023

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

55,736,071.79

Current But Not Specially Serviced Loans

(Foreclosure Proceedings Commenced)

Count

Balance

0.00

Page 9 of 28

January 2023

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 28

January 2023

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

55,736,071.79

57,957,755.82

20,700,000.00

12/31/2024

1,694,585.81

03/19/2021

Ogden

Retail

58,000,000.00

10/17/2022

883100029

0.00

07/22/2020

Bossier City

Retail

3,810,000.00

883100046

0.00

07/31/2017

Memphis

Retail

6,450,000.00

Count:

Totals:

55,736,071.79

57,957,755.82

20,700,000.00

1,694,585.81

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 28

January 2023

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

14,066,979.38

15.21%

14,134,659.32

0.00

0.00%

0.00

22,690,056.47

24.53%

22,923,227.41

0.00

0.00%

0.00

0.00%

0.00

36,757,035.85

39.74%

37,057,886.73

Bankruptcy

Loan Count

Sched Bal

Percentage*

Actual Bal

0.00

0.00%

0.00

0.00%

0.00

0.00%

0.00

0.00%

0.00

0.00%

0.00

0.00

0.00%

0.00

Foreclosure

Loan Count

Sched Bal

Percentage*

Actual Bal

0.00

0.00%

0.00

0.00%

0.00

0.00%

0.00

0.00%

0.00

0.00%

0.00

0.00

0.00%

0.00

REO

Loan Count

Sched Bal

Percentage*

Actual Bal

55,736,071.79

60.26%

58,000,000.00

0.00

0.00%

0.00

0.00%

0.00

0.00%

0.00

0.00%

0.00

55,736,071.79

60.26%

58,000,000.00

TOTAL

Loan Count

Sched Bal

Percentage*

Actual Bal

69,803,051.17

75.47%

72,134,659.32

0.00

0.00%

0.00

22,690,056.47

24.53%

22,923,227.41

0.00

0.00%

0.00

0.00%

0.00

92,493,107.64

100.00%

95,057,886.73

Group 1

* Percentages are based on scheduled balance as a percent of total pool scheduled balance.

Page 12 of 28

January 2023

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

Count

Balance

Count

Month

Balance

Count

Balance

Count

Balance

Count

90+ Days Delinq

(1)

(2)

(1)

(2)

(1)

(2)

0.00

14,066,979.38

22,690,056.47

0.00

55,736,071.79

Jan 2023

0.00

15.2%

0.0%

24.5%

0.0%

60.3%

0.00

0.0%

22,747,349.41

14,099,975.02

0.00

55,750,150.41

Dec 2022

0.00

15.2%

24.6%

0.0%

60.2%

46,790,911.42

50.5%

0.00

36,941,709.02

0.00

55,750,150.41

Nov 2022

0.00

26.5%

0.0%

40.0%

128,451,972.41

92.1%

0.00

37,031,312.24

0.00

55,757,282.44

Oct 2022

0.00

13.8%

0.0%

20.8%

66,603,286.01

24.8%

0.00

37,125,035.98

0.00

55,764,163.23

Sep 2022

0.00

11.1%

0.0%

16.6%

218,887,852.92

65.3%

0.00

14,234,265.91

0.00

55,771,250.83

Aug 2022

0.00

2.6%

0.0%

10.1%

98,269,951.38

17.7%

0.00

55,778,315.97

Jul 2022

0.00

0.0%

8.5%

58,164,903.80

8.9%

0.00

58,000,000.00

Jun 2022

0.00

0.0%

8.1%

357,528,628.37

49.9%

0.00

58,000,000.00

May 2022

0.00

0.0%

5.4%

54,552,843.80

5.1%

0.00

58,000,000.00

Apr 2022

0.00

0.0%

5.1%

0.00

0.0%

0.00

58,000,000.00

Mar 2022

0.00

0.0%

5.1%

5,809,428.80

0.5%

0.00

58,000,000.00

Feb 2022

0.00

0.0%

5.1%

0.00

0.0%

0.00

58,000,000.00

Jan 2022

0.00

0.0%

5.1%

0.00

0.0%

0.00

58,000,000.00

Dec 2021

0.00

0.0%

5.1%

0.00

0.0%

0.00

58,000,000.00

Nov 2021

0.00

0.0%

5.1%

0.00

0.0%

(2) Percentage in relation to Ending Scheduled Balance

(1) Exclusive of loans in Bankruptcy, Foreclosure and REO

Page 13 of 28

January 2023

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

27A

1,619,215.75

996.19

0.00

Oct 2022

0.00

996.19

0.00

782100003

74,000,000.00

0.00

Jun 2022

0.00

782100009

23,350,681.07

0.00

Aug 2022

0.00

883100029

3,020,817.45

1,828,497.25

0.00

Apr 2021

0.00

1,828,497.25

0.00

883100046

5,438,744.34

415,364.68

0.00

Dec 2019

0.00

415,364.68

0.00

883100046

256,408.19

415,364.68

0.00

May 2020

(158,956.49)

256,408.19

0.00

883100046

217,857.22

256,408.19

0.00

Jan 2021

(38,550.97)

217,857.22

0.00

883100046

173,289.42

217,857.22

0.00

Apr 2022

(44,567.80)

173,289.42

0.00

883100046

173,233.81

173,289.42

0.00

Aug 2022

(55.61)

173,233.81

0.00

883100046

173,516.58

173,233.81

0.00

Oct 2022

282.77

173,516.58

0.00

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

*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

(241,848.10)

2,003,010.02

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 28

January 2023

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

1,619,215.75

0.00

1,619,215.75

996.19

1,618,219.56

996.19

27A

Oct 2022

74,000,000.00

96,300,000.00

74,667,093.08

667,093.08

74,000,000.00

0.00

782100003

Jun 2022

23,350,681.07

51,700,000.00

23,670,478.39

319,797.32

23,350,681.07

0.00

782100009

Aug 2022

3,020,817.45

1,500,000.00

1,900,394.49

708,074.29

1,192,320.20

1,828,497.25

883100029

Apr 2021

5,438,744.34

5,050,000.00

5,164,567.67

(100,660.09)

5,265,227.76

173,516.58

883100046

Dec 2019

107,021,749.38

1,595,300.79

105,426,448.59

2,003,010.02

Count:

Totals:

107,429,458.61

154,550,000.00

* 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 28

January 2023

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

*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 28

January 2023

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 28

January 2023

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

12,001.77

0.00

55,736,071.79

0.00

782100006

4,897.00

0.00

22,690,056.47

0.00

782100012

3,035.40

0.00

14,066,979.38

0.00

883100042

92,493,107.64

Count:

Totals:

19,934.17

0.00

Total Interest Shortfall hitting the Trust:

19,934.17

*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 28

January 2023

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

Count:

Totals:

* Defeasance Status: P = Portion of Loan Previously Defeased. F = Full Defeasance.

Page 19 of 28

January 2023

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

01/01/2023

36,554,573.71

11/07/2022

20,700,000.00

10/17/2022

0.00

2,221,684.03

Count:

Totals:

36,554,573.71

20,700,000.00

0.00

2,221,684.03

Page 20 of 28

January 2023

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

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

09/06/22

24A

Various

12/06/22

09/09/22

27A

Lodging

12/06/22

10/06/22

625100001

Retail

08/01/22

06/29/22

625100002

Lodging

10/01/22

07/05/22

625100004

Retail

11/01/22

10/31/22

625100005

Retail

12/01/22

09/01/22

782100002

Office

12/06/22

06/06/22

782100003

Retail

06/01/20

06/01/22

782100004

Office

11/06/22

09/06/22

782100005

Lodging

11/06/22

10/24/22

782100006

Retail

03/09/20 UT

05/01/20

55,736,071.79

177,290.12

14,078.62

01/01/23

0.00

177,290.12

0.00

3.693

1.54

12/31/21

782100007

Retail

10/06/22

05/06/22

782100009

Lodging

08/05/22

08/04/22

782100011

Retail

09/05/17

07/05/17

782100012

Retail

08/09/22 NY

12/06/22

22,690,056.47

138,299.09

0.00

09/06/22

0.00

81,006.15

0.00

4.136

1.33

12/31/21

782100013

Retail

09/05/22

06/16/22

782100014

Lodging

12/06/17

09/06/17

782100015

Mixed Use

12/01/22

09/30/22

782100016

Retail

12/05/22

11/02/22

782100018

Lodging

11/06/22

10/24/22

782100019

Mobile Home

11/01/22

09/01/22

782100020

Office

12/06/22

09/06/22

782100021

Office

12/06/22

06/06/22

782100022

Multifamily

10/05/22

08/05/22

782100025

Office

12/06/17

782100027

Lodging

12/06/22

10/06/22

782100028

Office

12/01/22

09/01/22

782100029

Office

12/06/22

782100030

Retail

11/06/22

09/06/22

782100031

Lodging

11/06/22

09/06/22

782100033

Retail

10/06/22

07/06/22

782100037

Office

11/06/22

04/25/18

782100038

Multifamily

10/06/22

08/05/22

782100039

Office

12/06/22

782100040

Retail

11/06/22

09/01/22

782100041

Lodging

09/06/22

06/02/22

782100042

Office

12/06/22

10/06/22

782100043

Office

12/06/22

12/01/22

782100044

Self Storage

10/06/22

08/05/22

782100045

Multifamily

12/06/22

12/01/22

Page 21 of 28

January 2023

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

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

11/06/22

11/02/22

782100048

Office

11/06/22

11/04/22

782100051

Self Storage

11/06/22

08/05/22

782100052

Multifamily

12/06/22

05/06/20

782100053

Office

12/06/28

06/06/22

782100056

Mixed Use

09/06/22

06/23/22

782100058

Retail

12/06/22

09/06/22

782100060

Lodging

12/06/22

09/06/22

782100063

Self Storage

11/06/22

09/06/22

782100064

Self Storage

10/01/22

08/01/22

782100065

Retail

12/06/22

10/21/22

782100068

Retail

10/01/17

08/01/17

782100069

Mixed Use

11/06/22

08/05/22

782100070

Self Storage

10/06/22

08/05/22

782100072

Multifamily

12/06/22

10/06/22

782100073

Industrial

12/01/22

09/01/22

782100074

Retail

11/06/22

08/05/22

782100075

Various

10/06/22

782100078

Office

11/06/22

11/01/22

782100079

Office

12/01/22

11/28/22

782100080

Self Storage

11/01/22

08/30/22

782100082

Self Storage

11/06/22

08/08/22

782100083

Retail

09/06/22

06/06/22

782100084

Self Storage

11/06/22

08/05/22

782100085

Retail

12/01/22

09/30/22

782100086

Self Storage

10/06/22

08/05/22

782100087

Retail

12/06/22

782100088

Retail

12/06/17

08/04/17

883100026

Other

10/06/22

06/06/22

883100027

Retail

10/06/22

07/06/22

883100028

Retail

10/06/22

07/06/22

883100029

Retail

05/06/22

04/05/21

883100030

Office

11/06/22

09/06/22

883100031

Office

11/06/22

09/06/22

883100032

Office

11/06/22

09/06/22

883100034

Retail

11/06/22

05/06/22

883100035

Industrial

06/06/22

02/28/22

883100036

Self Storage

11/06/22

08/03/22

883100037

Mixed Use

11/06/22

06/01/21

883100038

Office

12/06/22

11/04/22

883100039

Office

12/06/22

08/05/22

Page 22 of 28

January 2023

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

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

12/06/22

10/05/22

883100041

Office

12/06/22

07/06/22

883100042

Mixed Use

07/27/22 MO

12/06/22

14,066,979.38

89,515.00

0.00

11/06/22

0.00

56,519.36

0.00

4.655

1.71

12/31/21

883100043

Self Storage

12/06/22

09/06/22

883100044

Various

12/06/22

11/01/22

883100045

Retail

12/06/22

09/06/22

883100046

Retail

12/06/22

12/03/19

883100047

Multifamily

12/06/22

11/07/22

883100050

Multifamily

12/06/22

12/05/22

883100051

Multifamily

12/06/22

04/29/16

883100052

Industrial

12/06/22

10/03/22

883100054

Multifamily

12/06/22

03/29/19

92,493,107.64

405,104.21

14,078.62

0.00

Totals:

Count:

314,815.63

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 23 of 28

January 2023

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

Count:

Totals:

Page 24 of 28

January 2023

MORTGAGE LOAN CHARACTERISTICS

UBS-Barclays Commercial Mortgage Trust 2012-C4

Commercial Mortgage Pass-Through Certificates, Series 2012-C4

Count

Balance ($)

10M to 14.9M

$14,066,979.38

15.21%

20M to 24.9M

$22,690,056.47

24.53%

55M to 59.9M

$55,736,071.79

60.26%

Total

$92,493,107.64

100.00%

Remaining Principal Balance

Count

Balance ($)

3.500% - 3.740%

$55,736,071.79

60.26%

4.000% - 4.240%

$22,690,056.47

24.53%

4.500% - 4.740%

$14,066,979.38

15.21%

Total

$92,493,107.64

100.00%

Gross Rate

Total Weighted Average Rate: 3.95%

Page 25 of 28

January 2023

MORTGAGE LOAN CHARACTERISTICS

UBS-Barclays Commercial Mortgage Trust 2012-C4

Commercial Mortgage Pass-Through Certificates, Series 2012-C4

Count

Balance ($)

UTAH

$55,736,071.79

60.26%

NEW YORK

$22,690,056.47

24.53%

MISSOURI

$14,066,979.38

15.21%

Total

$92,493,107.64

100.00%

Geographic Distribution by State

Count

Balance ($)

Mixed Use

$14,066,979.38

15.21%

Retail

$78,426,128.26

84.79%

Total

$92,493,107.64

100.00%

Property Type

Page 26 of 28

January 2023

MORTGAGE LOAN CHARACTERISTICS

UBS-Barclays Commercial Mortgage Trust 2012-C4

Commercial Mortgage Pass-Through Certificates, Series 2012-C4

Count

Balance ($)

120 - 122

$92,493,107.64

100.00%

Total

$92,493,107.64

100.00%

Seasoning

Months

Total Weighted Average Seasoning: 122

Count

Balance ($)

0 - 2

$92,493,107.64

100.00%

Total

$92,493,107.64

100.00%

Remaining Term to Maturity

Months

Total Weighted Average Remaining Months: 1

Page 27 of 28

January 2023

MORTGAGE LOAN CHARACTERISTICS

UBS-Barclays Commercial Mortgage Trust 2012-C4

Commercial Mortgage Pass-Through Certificates, Series 2012-C4

Count

Balance ($)

0.500 - 0.990

$22,690,056.47

24.53%

1.000 - 1.490

$14,066,979.38

15.21%

1.500 - 1.990

$55,736,071.79

60.26%

Total

$92,493,107.64

100.00%

DSCR

Total Weighted Average DSCR: 1.48

Count

Balance ($)

Amortizing Balloon

$36,757,035.85

39.74%

IO Maturity Balloon

$55,736,071.79

60.26%

Total

$92,493,107.64

100.00%

Amortization Type

Page 28 of 28

UBS-Barclays Commercial Mortgage Trust 2012-C4 10-D