Parties To The Transaction

Contact Information:

Payment Date:

22-Sep-08

Prior Payment:

20-Aug-08

Analyst:

Mohammed Khan

714.259.6869

Next Payment:

20-Oct-08

Mohammed.Ali.Khan@LaSalleGTS.com

Record Date:

29-Aug-08

Administrator:

April Haley

312.904.4839

april.haley@lasallegts.com

Distribution Count:

LaSalle Global Trust Services Website:

www.etrustee.net

Closing Date:

28-Jan-08

First Pay. Date:

20-Feb-08

Rated Final Payment Date:

20-Jan-38

Determination Date:

16-Sep-08

Delinq Method:

MBA

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Depositor: Banc of America Mortgage Securities, Inc.

Underwriter: Banc of America Securities LLC

Rating Agency: Standard & Poor's/Fitch Ratings/Moody's Investors
Service, Inc.
Security Administrator: LaSalle Bank National Association

Trustee: U.S. Bank Trust National Association

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Content:

Pages

Statement to Certificate Holders

3-4

Statement to Certificate Holders (Factors)

Cash Reconciliation Summary

Pool Detail and Performance Indicators

7-10

Bond Interest Reconciliation Part I

11-12

Bond Interest Reconciliation Part II

13-14

Bond Principal Reconciliation

15-16

Current Period Bond Exchange Detail

15 Month Loan Status Summary Part I

18-21

15 Month Loan Status Summary Part II

22-25

15 Month Historical Payoff Summary

26-27

Prepayment Summary

Mortgage Loan Characteristics Part I

Mortgage Loan Characteristics Part II

30-31

Geographic Concentration

Current Period Realized Loss Detail

33-36

Historical Realized Loss Summary

37-40

Realized Loss Summary

Material Breaches Detail

Modified Loan Detail (Current Period)

43-46

Historical Modification Loan Summary

47-50

Cumulative Summary For Prior Modifications

51-54

Prior Modification Loan Status Detail

55-56

Repurchase Loan Detail (Current Period)

57-60

Historical Collateral Level REO Report

61-64

Delinquent Interest Detail

65-68

Substitution Detail History

Substitution Detail History Summary

Expense and Indemnification Detail

Table of Contents

19-Sep-2008 09:54

1-A-1

05955BAA7

570,726,000.00

428,542,325.67

5,799,115.12

0.00

422,743,210.55

2,252,961.69

0.00

6.3087211560%

1-A-2

05955BAB5

23,807,000.00

17,876,016.07

241,901.60

0.00

17,634,114.47

93,979.00

0.00

6.3087211560%

1-A-3

05955BAC3

324,628,000.00

216,796,299.58

4,398,032.66

0.00

212,398,266.92

1,085,557.09

0.00

6.0087211560%

1-A-4

05955BAD1

108,209,000.00

0.00

108,209,000.00

541,831.42

0.00

6.0087211560%

1-A-5

05955BAE9

432,837,000.00

325,005,299.58

4,398,032.66

0.00

320,607,266.92

1,627,388.51

0.00

6.0087211560%

1-A-6

05955BAF6

137,889,000.00

103,537,026.09

1,401,082.46

0.00

102,135,943.63

544,321.86

0.00

6.3087211560%

1-A-7

05955BAG4

432,837,000.00 N

325,005,299.58

0.00

320,607,266.92

81,251.32

0.00

0.3000000000%

1-A-R

05955BAH2

100.00

0.00

N/A

2-A-1

05955BAJ8

150,038,000.00

118,913,879.40

1,373,558.31

0.00

117,540,321.09

622,696.65

0.00

6.2838416484%

2-A-2

05955BAK5

6,260,000.00

4,961,415.67

57,308.65

0.00

4,904,107.02

25,980.63

0.00

6.2838416484%

2-A-3

05955BAL3

85,342,000.00

61,737,429.42

1,041,708.27

0.00

60,695,721.15

307,855.83

0.00

5.9838416484%

2-A-4

05955BAM1

28,447,000.00

0.00

28,447,000.00

141,851.95

0.00

5.9838416484%

2-A-5

05955BAN9

113,789,000.00

90,184,429.42

1,041,708.27

0.00

89,142,721.15

449,707.78

0.00

5.9838416484%

2-A-6

05955BAP4

36,249,000.00

28,729,449.98

331,850.04

0.00

28,397,599.94

150,442.76

0.00

6.2838416484%

2-A-7

05955BAQ2

113,789,000.00 N

90,184,429.42

0.00

89,142,721.15

22,546.11

0.00

0.3000000000%

3-A-1

05955BAR0

69,018,000.00

63,729,805.67

20,300.43

0.00

63,709,505.24

338,955.65

0.00

6.3823633826%

3-A-2

05955BAS8

2,879,000.00

2,658,409.55

846.80

0.00

2,657,562.75

14,139.11

0.00

6.3823633826%

3-A-3

05955BAT6

39,257,000.00

35,246,452.64

15,395.77

0.00

35,231,056.87

187,463.06

0.00

6.3823633826%

3-A-4

05955BAU3

13,086,000.00

0.00

13,086,000.00

69,599.67

0.00

6.3823633826%

3-A-5

05955BAV1

52,343,000.00

48,332,452.64

15,395.77

0.00

48,317,056.87

257,062.73

0.00

6.3823633826%

3-A-6

05955BAW9

19,554,000.00

18,055,762.58

5,751.46

0.00

18,050,011.12

96,032.03

0.00

6.3823633826%

3-A-7

05955BAX7

16,675,000.00

15,397,353.03

4,904.66

0.00

15,392,448.37

81,892.92

0.00

6.3823633826%

B-1

05955BAY5

11,125,000.00

11,114,458.87

1,431.05

0.00

11,113,027.82

58,447.52

0.00

6.3104307612%

B-2

05955BAZ2

4,706,000.00

4,701,540.98

605.35

0.00

4,700,935.63

24,723.96

0.00

6.3104307612%

B-3

05955BBA6

5,134,000.00

5,129,135.45

660.41

0.00

5,128,475.04

26,972.55

0.00

6.3104307612%

B-4

05955BBB4

4,279,000.00

4,274,945.57

550.42

0.00

4,274,395.15

22,480.62

0.00

6.3104307612%

B-5

05955BBC2

2,994,000.00

2,991,163.13

385.13

0.00

2,990,778.00

15,729.61

0.00

6.3104307612%

B-6

05955BBD0

2,995,000.00

2,992,162.19

385.26

0.00

2,991,776.93

15,734.86

0.00

6.3104307612%

B-7

05955BBE8

1,712,122.00

1,710,500.75

220.24

0.00

1,710,280.51

8,995.00

0.00

6.3104307612%

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Upper Tier REMIC

Ending Class

Certificate
Balance

(3)

Class

CUSIP

Initial Class

Certificate

Balance

(1 & 3)

Beginning Class

Certificate

Balance

Interest Payment

(2)

Interest

Adjustment

Pass-Through

Rate

(1)

N denotes notional balance not included in total

(2)

Accrued Interest plus/minus Interest Adjustment minus Deferred Interest equals Interest Payment (3) For the Exchangeable REMIC Certificates this represents the Class Certificate Balance. For the Exchangeable Class Certificates

represent the Maximum Class Certificate Balance. For the IO Bonds this represents the Notional Amount.

Principal Payment

Principal

Adjustment or

Loss

Deferred

Interest

Page 3 of 71

19-Sep-2008 09:53

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Total

2,263,978,222.00

1,762,359,713.93

20,151,130.79

0.00

1,742,208,583.14

9,166,601.89

0.00

Total P&I Payment

29,317,732.68

Interest Payment

(2)

Interest

Adjustment

Pass-Through

Rate

(1)

N denotes notional balance not included in total

(2)

represent the Maximum Class Certificate Balance. For the IO Bonds this represents the Notional Amount.

Upper Tier REMIC

Class

CUSIP

Initial Class

Certificate

Balance

(1 & 3)

Beginning Class

Certificate

Balance

Principal Payment

Principal

Adjustment or

Loss

Deferred

Interest

Ending Class

Certificate
Balance

(3)

Page 4 of 71

19-Sep-2008 09:53

1-A-1

05955BAA7

570,726,000.00

750.872267375

10.160944341

0.000000000

740.711323034

3.947536454

0.000000000

6.30478000%

1-A-2

05955BAB5

23,807,000.00

750.872267400

10.160944260

0.000000000

740.711323140

3.947536439

0.000000000

6.30478000%

1-A-3

05955BAC3

324,628,000.00

667.829945599

13.547915337

0.000000000

654.282030262

3.344003259

0.000000000

6.00478000%

1-A-4

05955BAD1

108,209,000.00

1000.000000000

0.000000000

1000.000000000

5.007267603

0.000000000

6.00478000%

1-A-5

05955BAE9

432,837,000.00

750.872267343

10.160944328

0.000000000

740.711323015

3.759818384

0.000000000

6.00478000%

1-A-6

05955BAF6

137,889,000.00

750.872267476

10.160944383

0.000000000

740.711323093

3.947536497

0.000000000

6.30478000%

1-A-7

05955BAG4

432,837,000.00 N

750.872267343

0.000000000

740.711323015

0.187718056

0.000000000

Fixed

1-A-R

05955BAH2

100.00

0.000000000

N/A

2-A-1

05955BAJ8

150,038,000.00

792.558414535

9.154736200

0.000000000

783.403678335

4.150259601

0.000000000

6.27994000%

2-A-2

05955BAK5

6,260,000.00

792.558413738

9.154736422

0.000000000

783.403677316

4.150260383

0.000000000

6.27994000%

2-A-3

05955BAL3

85,342,000.00

723.412029481

12.206279089

0.000000000

711.205750393

3.607319139

0.000000000

5.97994000%

2-A-4

05955BAM1

28,447,000.00

1000.000000000

0.000000000

1000.000000000

4.986534608

0.000000000

5.97994000%

2-A-5

05955BAN9

113,789,000.00

792.558414434

9.154736134

0.000000000

783.403678299

3.952119976

0.000000000

5.97994000%

2-A-6

05955BAP4

36,249,000.00

792.558414853

9.154736407

0.000000000

783.403678446

4.150259593

0.000000000

6.27994000%

2-A-7

05955BAQ2

113,789,000.00 N

792.558414434

0.000000000

783.403678299

0.198139627

0.000000000

Fixed

3-A-1

05955BAR0

69,018,000.00

923.379490423

0.294132400

0.000000000

923.085358023

4.911119563

0.000000000

6.38237000%

3-A-2

05955BAS8

2,879,000.00

923.379489406

0.294129906

0.000000000

923.085359500

4.911118444

0.000000000

6.38237000%

3-A-3

05955BAT6

39,257,000.00

897.838669282

0.392178974

0.000000000

897.446490307

4.775277275

0.000000000

6.38237000%

3-A-4

05955BAU3

13,086,000.00

1000.000000000

0.000000000

1000.000000000

5.318635947

0.000000000

6.38237000%

3-A-5

05955BAV1

52,343,000.00

923.379489903

0.294132358

0.000000000

923.085357545

4.911119538

0.000000000

6.38237000%

3-A-6

05955BAW9

19,554,000.00

923.379491664

0.294132147

0.000000000

923.085359517

4.911119464

0.000000000

6.38237000%

3-A-7

05955BAX7

16,675,000.00

923.379492054

0.294132534

0.000000000

923.085359520

4.911119640

0.000000000

6.38237000%

B-1

05955BAY5

11,125,000.00

999.052482697

0.128633708

0.000000000

998.923848989

5.253709663

0.000000000

6.30684000%

B-2

05955BAZ2

4,706,000.00

999.052481938

0.128633659

0.000000000

998.923848279

5.253710157

0.000000000

6.30684000%

B-3

05955BBA6

5,134,000.00

999.052483444

0.128634593

0.000000000

998.923848851

5.253710557

0.000000000

6.30684000%

B-4

05955BBB4

4,279,000.00

999.052481888

0.128632858

0.000000000

998.923849030

5.253708810

0.000000000

6.30684000%

B-5

05955BBC2

2,994,000.00

999.052481630

0.128633935

0.000000000

998.923847695

5.253710755

0.000000000

6.30684000%

B-6

05955BBD0

2,995,000.00

999.052484140

0.128634391

0.000000000

998.923849750

5.253709516

0.000000000

6.30684000%

B-7

05955BBE8

1,712,122.00

999.053075657

0.128635693

0.000000000

998.924439964

5.253714397

0.000000000

6.30684000%

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Deferred Interest *

Ending Class Certificate

Balance * (1)

Interest Payment *

Distribution Date: 22-Sep-08

Statement to Certificate Holders (FACTORS)

Interest Adjustment*

Next Rate **

* Per $1,000 of Original Face Value ** Estimated (1) For the Exchangeable REMIC Certificates this represents the Class Certificate Balance. For the Exchangeable Class Certificates represent the Maximum Class Certificate Balance. For the IO Bonds this represents the Notional Amount.

Upper Tier REMIC

Class

CUSIP

Initial Class

Certificate Balance

(1)

Beginning Class

Certificate Balance * (1)

Principal Payment

Principal

Adjustment or

Loss

Page 5 of 71

19-Sep-2008 09:53

Group 1

Group 2

Group 3

Total

Interest Summary

Scheduled Interest

2,569,934.57

708,535.51

382,826.03

3,661,296.11

Fees

97,958.75

27,110.31

14,430.20

139,499.26

Remittance Interest

2,471,975.82

681,425.20

368,395.83

3,521,796.85

Other Interest Proceeds/Shortfalls

Other Interest Loss

0.00

Other Interest Proceeds

0.00

Non-advancing Interest

0.00

Net PPIS/Relief Act Shortfall

0.00

Modification Shortfall

0.00

Other Interest Proceeds/Shortfalls

0.00

Interest Adjusted

2,471,975.82

681,425.20

368,395.83

3,521,796.85

Principal Summary

Scheduled Principal Distribution

61,894.48

13,938.13

10,529.99

86,362.60

Curtailments

354,989.52

220,298.65

11,054.60

586,342.77

Prepayments in Full

5,627,263.40

594,300.00

0.00

6,221,563.40

Liquidation Proceeds

0.00

Repurchase Proceeds

0.00

603,000.00

0.00

603,000.00

Recoveries

0.00

Less Mod Losses

0.00

Remittance Principal

6,044,147.40

1,431,536.78

21,584.59

7,497,268.77

Fee Summary

Total Servicing Fees

97,958.75

27,110.31

14,430.20

139,499.26

Total Trustee Fees

0.00

Misc. Fees / Trust Expense

0.00

Total Fees

97,958.75

27,110.31

14,430.20

139,499.26

Beginning Principal Balance

470,201,632.10

130,129,033.44

69,265,093.43

669,595,758.97

Ending Principal Balance

464,157,484.70

128,697,496.66

69,243,508.84

662,098,490.20

Advances (Principal & Interest)

Prior Month's Outstanding Advances

2,418,666.64

627,812.99

338,149.08

3,384,628.71

Current Advances

2,035,474.92

553,591.60

320,207.19

2,909,273.71

Reimbursement of Prior Advances

(1,958,683.58)

(585,023.60)

(312,772.68)

(2,856,479.86)

Outstanding Advances

2,495,457.98

596,380.99

345,583.59

3,437,422.56

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Cash Reconciliation Summary Total (All Loans)

Page 6 of 71

19-Sep-2008 09:53

Pool Detail

Performance Indicators

Factors Impacting Principal Payment Rules

WA Rates/Life

Historical

Amount

Count

Delinquency Levels

Num

Den

Fixed

Adj

Overall

Cut-off Pool Balance

855,673,222.57

1,191

3 mo. Rolling Average

19,409,168

669,802,360

2.90%

Net WAC - Current

N/A

6.31%

Cum Scheduled Principal

806,087.05

6 mo. Rolling Average

13,235,396

691,658,459

1.95%

Net WAC - Original

N/A

6.39%

Cum Prepayment Principal

192,768,645.32

12 mo. Rolling Average

10,190,672

721,011,664

1.50%

Gross WAC - Current

N/A

6.56%

Cum Liquidations

0.00

Loss Levels

Amount

Count

Gross WAC - Original

N/A

6.64%

Cum Repurchases

603,000.00

3 mo. Cum Loss

0.00

WAMM - Current

N/A

349.31

6 mo. Cum loss

0.00

WAMM - Original

N/A

356.57

Current

Amount

Count

12 mo. Cum Loss

0.00

Beginning Pool

669,595,758.97

955

78.25%

Scheduled Principal

86,362.60

0.01%

Senior Step Dowm Conditions

Prepayment Principal

6,807,906.17

0.80%

Liquidations

0.00

0.00%

> Overall Senior Step Down Condition?

Repurchases

603,000.00

0.07%

Ending Pool

662,098,490.20

944

77.38%

Average Loan Balance

701,375.52

Current Loss Detail

Amount

> Delinquency Condition

(1)

Liquidation

0.00

6 mo. Rolling Average Delinq

(2)

12,880,432.53

Pool Composition

Realized Loss

0.00

Curr Class Balance of Subordinate Certificates

(3)

32,913,906.94

Realized Loss Adjustment

0.00

Delinquency as a % of Cur Sub Cert Bal

(4)

39.13%

Properties

%/Score

Net Liquidation

0.00

Delinquency Condition Threshold

(5)

50.00%

Cash Out/Refinance

42.28%

SFR

67.96%

Senior and Subordinate Percentages

> Loss Condition?

(6)

Total Senior Percentage

Distribution Count

Min

Max

W A

Aggregate Subordinate Percentage

Cumulative Realized Losses

(7)

0.00

FICO

660

818

750.50

Orig Class Balance of Subordinate Certificates

(8)

32,945,122.00

Cumulative Loss as a % of Orig Sub Cert Bal

(9)

0.00%

Loss Condition Threshold

(10)

20.00%

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Pool Detail and Performance Indicators Total (All Loans)

Misc/Additional Information

Pool Level Information

Balance

285,212,825.06

458,458,189.41

Owner Occupied

671,744,960.62

99.58%

95.080000%

4.920000%

Legend: (1) (4) >= (5), then TRUE (2) 60 Days+, REO, BK, F/C, 12 Months Mods (3) As Indicated (4) (2) divided by (3) (5) Defined Benchmark (6) (9) > (10), then TRUE (7) As Indicated (8) As Indicated
(9) (7) divided by (8) (10) Defined Benchark Based on the Current Distribution Count

Page 7 of 71

19-Sep-2008 09:53

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Pool Detail

Performance Indicators

Factors Impacting Principal Payment Rules

WA Rates/Life

Historical

Amount

Count

Delinquency Levels

Num

Den

Fixed

Adj

Overall

Cut-off Pool Balance

618,339,372.42

852

3 mo. Rolling Average

15,758,940

470,428,500

3.35%

Net WAC - Current

N/A

6.31%

Cum Scheduled Principal

584,887.68

6 mo. Rolling Average

10,651,502

487,820,350

2.23%

Net WAC - Original

N/A

6.38%

Cum Prepayment Principal

153,597,000.04

12 mo. Rolling Average

8,177,377

511,812,562

1.71%

Gross WAC - Current

N/A

6.56%

Cum Liquidations

0.00

Loss Levels

Amount

Count

Gross WAC - Original

N/A

6.63%

Cum Repurchases

0.00

3 mo. Cum Loss

0.00

WAMM - Current

N/A

349.27

6 mo. Cum loss

0.00

WAMM - Original

N/A

356.61

Current

Amount

Count

12 mo. Cum Loss

0.00

Beginning Pool

470,201,632.10

665

76.04%

Scheduled Principal

61,894.48

0.01%

Prepayment Principal

5,982,252.92

0.97%

Liquidations

0.00

0.00%

Repurchases

0.00

0.00%

Ending Pool

464,157,484.70

656

75.07%

Average Loan Balance

707,557.14

Current Loss Detail

Amount

Liquidation

0.00

Pool Composition

Realized Loss

0.00

Realized Loss Adjustment

0.00

Properties

%/Score

Net Liquidation

0.00

Cash Out/Refinance

45.05%

SFR

66.88%

Senior and Subordinate Percentages

Senior Percentage

Min

Max

W A

Subordinate Percentage

FICO

660

818

749.37

Senior Prepayment Percentage

Subordinate Prepayment Percentage

99.58%

Misc/Additional Information

0.000000%

94.940000%

5.060000%

100.000000%

Balance

213,499,378.62

316,955,540.24

Owner Occupied

471,941,298.95

Pool Level Information

Pool Detail and Performance Indicators Group 1

Page 8 of 71

19-Sep-2008 09:53

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Pool Detail

Performance Indicators

Factors Impacting Principal Payment Rules

WA Rates/Life

Historical

Amount

Count

Delinquency Levels

Num

Den

Fixed

Adj

Overall

Cut-off Pool Balance

162,557,018.12

229

3 mo. Rolling Average

3,039,668

130,039,746

2.34%

Net WAC - Current

N/A

6.28%

Cum Scheduled Principal

136,437.89

6 mo. Rolling Average

1,973,334

133,404,195

1.50%

Net WAC - Original

N/A

6.43%

Cum Prepayment Principal

33,723,083.57

12 mo. Rolling Average

1,555,376

137,912,112

1.18%

Gross WAC - Current

N/A

6.53%

Cum Liquidations

0.00

Loss Levels

Amount

Count

Gross WAC - Original

N/A

6.68%

Cum Repurchases

603,000.00

3 mo. Cum Loss

0.00

WAMM - Current

N/A

349.33

6 mo. Cum loss

0.00

WAMM - Original

N/A

356.38

Current

Amount

Count

12 mo. Cum Loss

0.00

Beginning Pool

130,129,033.44

187

80.05%

Scheduled Principal

13,938.13

0.01%

Prepayment Principal

814,598.65

0.50%

Liquidations

0.00

0.00%

Repurchases

603,000.00

0.37%

Ending Pool

128,697,496.66

185

79.17%

Average Loan Balance

695,662.14

Current Loss Detail

Amount

Liquidation

0.00

Pool Composition

Realized Loss

0.00

Realized Loss Adjustment

0.00

Properties

%/Score

Net Liquidation

0.00

Cash Out/Refinance

42.45%

SFR

72.64%

Senior and Subordinate Percentages

Senior Percentage

Min

Max

W A

Subordinate Percentage

FICO

662

815

753.95

Senior Prepayment Percentage

Subordinate Prepayment Percentage

0.000000%

95.190000%

4.810000%

100.000000%

Owner Occupied

130,955,641.75

100.00%

Balance

55,591,770.50

95,129,249.94

Misc/Additional Information

Pool Level Information

Pool Detail and Performance Indicators Group 2

Page 9 of 71

19-Sep-2008 09:53

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Pool Detail

Performance Indicators

Factors Impacting Principal Payment Rules

WA Rates/Life

Historical

Amount

Count

Delinquency Levels

Num

Den

Fixed

Adj

Overall

Cut-off Pool Balance

74,776,832.03

110

3 mo. Rolling Average

610,560

69,334,113

0.88%

Net WAC - Current

N/A

6.38%

Cum Scheduled Principal

84,761.48

6 mo. Rolling Average

610,560

70,433,915

0.87%

Net WAC - Original

N/A

6.38%

Cum Prepayment Principal

5,448,561.71

12 mo. Rolling Average

457,920

71,286,990

0.65%

Gross WAC - Current

N/A

6.63%

Cum Liquidations

0.00

Loss Levels

Amount

Count

Gross WAC - Original

N/A

6.63%

Cum Repurchases

0.00

3 mo. Cum Loss

0.00

WAMM - Current

N/A

349.57

6 mo. Cum loss

0.00

WAMM - Original

N/A

356.59

Current

Amount

Count

12 mo. Cum Loss

0.00

Beginning Pool

69,265,093.43

103

92.63%

Scheduled Principal

10,529.99

0.01%

Prepayment Principal

11,054.60

0.01%

Liquidations

0.00

0.00%

Repurchases

0.00

0.00%

Ending Pool

69,243,508.84

103

92.60%

Average Loan Balance

672,267.08

Current Loss Detail

Amount

Liquidation

0.00

Pool Composition

Realized Loss

0.00

Realized Loss Adjustment

0.00

Properties

%/Score

Net Liquidation

0.00

Cash Out/Refinance

23.15%

SFR

66.58%

Senior and Subordinate Percentages

Senior Percentage

Min

Max

W A

Subordinate Percentage

FICO

662

810

751.65

Senior Prepayment Percentage

Subordinate Prepayment Percentage

0.000000%

100.000000%

4.150000%

100.000000%

Owner Occupied

68,848,019.92

98.85%

Balance

16,121,675.94

46,373,399.23

Pool Detail and Performance Indicators Group 3

Misc/Additional Information

Pool Level Information

Page 10 of 71

19-Sep-2008 09:53

1-A-1

30/360

428,542,325.67

6.308721160%

2,252,961.69

0.00

0.01

2,252,961.70

2,252,961.69

(0.01)

0.01

0.00

N/A

1-A-2

30/360

17,876,016.07

6.308721160%

93,979.00

0.00

93,979.00

0.00

N/A

1-A-3

30/360

216,796,299.58

6.008721160%

1,085,557.09

0.00

1,085,557.09

0.00

N/A

1-A-4

30/360

108,209,000.00

6.008721160%

541,831.42

0.00

541,831.42

0.00

N/A

1-A-5

30/360

325,005,299.58

6.008721160%

1,627,388.51

0.00

0.01

1,627,388.52

1,627,388.51

(0.01)

0.01

0.00

N/A

1-A-6

30/360

103,537,026.09

6.308721160%

544,321.86

0.00

544,321.86

0.00

N/A

1-A-7

30/360

325,005,299.58

0.300000000%

81,251.32

0.00

81,251.32

0.00

N/A

1-A-R

30/360

0.00

6.308721160%

0.00

N/A

2-A-1

30/360

118,913,879.40

6.283841650%

622,696.65

0.00

0.01

622,696.66

622,696.65

(0.01)

0.01

0.00

N/A

2-A-2

30/360

4,961,415.67

6.283841650%

25,980.63

0.00

25,980.63

0.00

N/A

2-A-3

30/360

61,737,429.42

5.983841650%

307,855.83

0.00

307,855.83

0.00

N/A

2-A-4

30/360

28,447,000.00

5.983841650%

141,851.95

0.00

141,851.95

0.00

N/A

2-A-5

30/360

90,184,429.42

5.983841650%

449,707.78

0.00

0.01

449,707.79

449,707.78

(0.01)

0.01

0.00

N/A

2-A-6

30/360

28,729,449.98

6.283841650%

150,442.76

0.00

150,442.76

0.00

N/A

2-A-7

30/360

90,184,429.42

0.300000000%

22,546.11

0.00

22,546.11

0.00

N/A

3-A-1

30/360

63,729,805.67

6.382363380%

338,955.65

0.00

338,955.65

0.00

N/A

3-A-2

30/360

2,658,409.55

6.382363380%

14,139.11

0.00

14,139.11

0.00

N/A

3-A-3

30/360

35,246,452.64

6.382363380%

187,463.06

0.00

187,463.06

0.00

N/A

3-A-4

30/360

13,086,000.00

6.382363380%

69,599.67

0.00

69,599.67

0.00

N/A

3-A-5

30/360

48,332,452.64

6.382363380%

257,062.73

0.00

257,062.73

0.00

N/A

3-A-6

30/360

18,055,762.58

6.382363380%

96,032.03

0.00

96,032.03

0.00

N/A

3-A-7

30/360

15,397,353.03

6.382363380%

81,892.92

0.00

81,892.92

0.00

N/A

B-1

30/360

11,114,458.87

6.310430760%

58,447.52

0.00

58,447.52

0.00

N/A

B-2

30/360

4,701,540.98

6.310430760%

24,723.96

0.00

24,723.96

0.00

N/A

B-3

30/360

5,129,135.45

6.310430760%

26,972.55

0.00

26,972.55

0.00

N/A

B-4

30/360

4,274,945.57

6.310430760%

22,480.62

0.00

22,480.62

0.00

N/A

B-5

30/360

2,991,163.13

6.310430760%

15,729.61

0.00

15,729.61

0.00

N/A

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Bond Interest Reconciliation - Part I

- - A c c r u a l - -

- - - - - - - - O u t s t a n d i n g - - - - - - - -

Class

Method

Days

Beginning Class

Certificate Balance

(2)

Pass-Thru Rate

Accrual

Certificate

Interest

Total Interest

Additions

Total Interest

Deductions

Remaining

Basis Risk
Carry-Fwd

Shortfall

(1)

Outstanding Relief

Act / Prepayment

Interest Shortfalls

Net Cap

Rate in

Effect Y/N

(1)

Basis Risk Carry-Forward Shortfall - difference between LIBOR plus margin and the Net Rate Cap.

(2)

For the Exchangeable REMIC Certificates this represents the Class Certificate Balance. For the Exchangeable Class Certificates represent the Maximum Class Certificate Balance. For the IO Bonds this represents the Notional Amount.

Distributable

Certificate

Interest

Interest Payment

Amount

Current Period

(Shortfall) /

Recovery

Remaining Int

Carry-Forward

Shortfall

Page 11 of 71

19-Sep-2008 09:53

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Bond Interest Reconciliation - Part I

B-6

30/360

2,992,162.19

6.310430760%

15,734.86

0.00

15,734.86

0.00

N/A

B-7

30/360

1,710,500.75

6.310430760%

8,995.00

0.00

8,995.00

0.00

N/A

Total

1,762,359,713.93

9,166,601.89

0.00

0.04

9,166,601.93

9,166,601.89

(0.04)

0.04

0.00

- - A c c r u a l - -

- - - - - - - - O u t s t a n d i n g - - - - - - - -

Class

Method

Days

Beginning Class

Certificate Balance

(2)

Pass-Thru Rate

Accrual

Certificate

Interest

Total Interest

Additions

Total Interest

Deductions

Remaining

Basis Risk
Carry-Fwd

Shortfall

(1)

Outstanding Relief

Act / Prepayment

Interest Shortfalls

Net Cap

Rate in

Effect Y/N

(1)

Basis Risk Carry-Forward Shortfall - difference between LIBOR plus margin and the Net Rate Cap.

(2)

Distributable

Certificate

Interest

Interest Payment

Amount

Current Period

(Shortfall) /

Recovery

Remaining Int

Carry-Forward

Shortfall

Page 12 of 71

19-Sep-2008 09:53

1-A-1

29-Aug-08

1-Aug-08

1-Sep-08

0.00

0.01

1-A-2

29-Aug-08

1-Aug-08

1-Sep-08

0.00

1-A-3

29-Aug-08

1-Aug-08

1-Sep-08

0.00

1-A-4

29-Aug-08

1-Aug-08

1-Sep-08

0.00

1-A-5

29-Aug-08

1-Aug-08

1-Sep-08

0.00

0.01

1-A-6

29-Aug-08

1-Aug-08

1-Sep-08

0.00

1-A-7

29-Aug-08

1-Aug-08

1-Sep-08

0.00

1-A-R

29-Aug-08

1-Aug-08

1-Sep-08

0.00

2-A-1

29-Aug-08

1-Aug-08

1-Sep-08

0.00

0.01

2-A-2

29-Aug-08

1-Aug-08

1-Sep-08

0.00

2-A-3

29-Aug-08

1-Aug-08

1-Sep-08

0.00

2-A-4

29-Aug-08

1-Aug-08

1-Sep-08

0.00

2-A-5

29-Aug-08

1-Aug-08

1-Sep-08

0.00

0.01

2-A-6

29-Aug-08

1-Aug-08

1-Sep-08

0.00

2-A-7

29-Aug-08

1-Aug-08

1-Sep-08

0.00

3-A-1

29-Aug-08

1-Aug-08

1-Sep-08

0.00

3-A-2

29-Aug-08

1-Aug-08

1-Sep-08

0.00

3-A-3

29-Aug-08

1-Aug-08

1-Sep-08

0.00

3-A-4

29-Aug-08

1-Aug-08

1-Sep-08

0.00

3-A-5

29-Aug-08

1-Aug-08

1-Sep-08

0.00

3-A-6

29-Aug-08

1-Aug-08

1-Sep-08

0.00

3-A-7

29-Aug-08

1-Aug-08

1-Sep-08

0.00

B-1

29-Aug-08

1-Aug-08

1-Sep-08

0.00

B-2

29-Aug-08

1-Aug-08

1-Sep-08

0.00

B-3

29-Aug-08

1-Aug-08

1-Sep-08

0.00

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Bond Interest Reconciliation - Part II

- - - - - - - - - - A d d i t i o n s - - - - - - - - - -

- - - - - D e d u c t i o n s - - - - -

Class

Record Date

Prior Interest Due Date

Current Interest Due Date

Prior Int Carry-Fwd

Shortfall

Prior Shortfall

Reimbursement

Other Interest Proceeds

(1)

Other Interest Losses

Current Int Carry-Fwd

Shortfall

(2)

(1)

Other Interest Proceeds are additional interest amounts specifically allocated to the bond(s) and used in determining the bonds Distributable Interest.

(2)

Interest Carry-Forward Shortfall is unpaid interest

Page 13 of 71

19-Sep-2008 09:53

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Bond Interest Reconciliation - Part II

B-4

29-Aug-08

1-Aug-08

1-Sep-08

0.00

B-5

29-Aug-08

1-Aug-08

1-Sep-08

0.00

B-6

29-Aug-08

1-Aug-08

1-Sep-08

0.00

B-7

29-Aug-08

1-Aug-08

1-Sep-08

0.00

Total

0.00

0.04

- - - - - - - - - - A d d i t i o n s - - - - - - - - - -

- - - - - D e d u c t i o n s - - - - -

Current Int Carry-Fwd

Shortfall

(2)

(1)

Other Interest Proceeds are additional interest amounts specifically allocated to the bond(s) and used in determining the bonds Distributable Interest.

(2)

Interest Carry-Forward Shortfall is unpaid interest

Prior Int Carry-Fwd

Shortfall

Prior Shortfall

Reimbursement

Other Interest Proceeds

(1)

Other Interest Losses

Class

Record Date

Prior Interest Due Date

Current Interest Due Date

Page 14 of 71

19-Sep-2008 09:53

1-A-1

570,726,000.00

428,542,325.67

56,410.71

5,742,704.41

0.00

5,742,704.41

0.00

422,743,210.55

20-Jan-38

N/A

1-A-2

23,807,000.00

17,876,016.07

2,353.09

239,548.51

0.00

239,548.51

0.00

17,634,114.47

20-Jan-38

N/A

1-A-3

324,628,000.00

216,796,299.58

42,781.72

4,355,250.94

0.00

4,355,250.94

0.00

212,398,266.92

20-Jan-38

N/A

1-A-4

108,209,000.00

0.00

108,209,000.00

20-Jan-38

N/A

1-A-5

432,837,000.00

325,005,299.58

42,781.72

4,355,250.94

0.00

4,355,250.94

0.00

320,607,266.92

20-Jan-38

N/A

1-A-6

137,889,000.00

103,537,026.09

13,628.99

1,387,453.47

0.00

1,387,453.47

0.00

102,135,943.63

20-Jan-38

N/A

1-A-7

432,837,000.00

325,005,299.58

0.00

320,607,266.92

20-Jan-38

N/A

1-A-R

100.00

0.00

20-Jan-38

N/A

2-A-1

150,038,000.00

118,913,879.40

12,736.89

1,360,821.42

0.00

1,360,821.42

0.00

117,540,321.09

20-Jan-38

N/A

2-A-2

6,260,000.00

4,961,415.67

531.42

56,777.23

0.00

56,777.23

0.00

4,904,107.02

20-Jan-38

N/A

2-A-3

85,342,000.00

61,737,429.42

9,659.67

1,032,048.60

0.00

1,032,048.60

0.00

60,695,721.15

20-Jan-38

N/A

2-A-4

28,447,000.00

0.00

28,447,000.00

20-Jan-38

N/A

2-A-5

113,789,000.00

90,184,429.42

9,659.67

1,032,048.60

0.00

1,032,048.60

0.00

89,142,721.15

20-Jan-38

N/A

2-A-6

36,249,000.00

28,729,449.98

3,077.22

328,772.82

0.00

328,772.82

0.00

28,397,599.94

20-Jan-38

N/A

2-A-7

113,789,000.00

90,184,429.42

0.00

89,142,721.15

20-Jan-38

N/A

3-A-1

69,018,000.00

63,729,805.67

9,688.50

10,611.93

0.00

10,611.93

0.00

63,709,505.24

20-Jan-38

N/A

3-A-2

2,879,000.00

2,658,409.55

404.14

442.66

0.00

442.66

0.00

2,657,562.75

20-Jan-38

N/A

3-A-3

39,257,000.00

35,246,452.64

7,347.72

8,048.05

0.00

8,048.05

0.00

35,231,056.87

20-Jan-38

N/A

3-A-4

13,086,000.00

0.00

13,086,000.00

20-Jan-38

N/A

3-A-5

52,343,000.00

48,332,452.64

7,347.72

8,048.05

0.00

8,048.05

0.00

48,317,056.87

20-Jan-38

N/A

3-A-6

19,554,000.00

18,055,762.58

2,744.92

3,006.54

0.00

3,006.54

0.00

18,050,011.12

20-Jan-38

N/A

3-A-7

16,675,000.00

15,397,353.03

2,340.78

2,563.88

0.00

2,563.88

0.00

15,392,448.37

20-Jan-38

N/A

B-1

11,125,000.00

11,114,458.87

1,431.05

0.00

11,113,027.82

20-Jan-38

N/A

B-2

4,706,000.00

4,701,540.98

605.35

0.00

4,700,935.63

20-Jan-38

N/A

B-3

5,134,000.00

5,129,135.45

660.41

0.00

5,128,475.04

20-Jan-38

N/A

B-4

4,279,000.00

4,274,945.57

550.42

0.00

4,274,395.15

20-Jan-38

N/A

B-5

2,994,000.00

2,991,163.13

385.13

0.00

2,990,778.00

20-Jan-38

N/A

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Bond Principal Reconciliation

- - - - - - - - - - L o s s e s - - - - - - - - - -

- Credit Support -

Class

Original Class

Certificate Balance

Beginning Class

Ceritificate Balance

(1)

Scheduled Principal

Payment

Unscheduled

Principal

Payment

(1)

Prior

Loss

Reimburs.

Current

Losses

Current

Principal

Prepayments

(1)

Liquidation Proceeds

(1)

For the Exchangeable REMIC Certificates this represents the Class Certificate Balance, and Exchangeable Class Certificates represent the Maximum Class Certificate Balance, for IO Bonds this represents the

Notional Amount.

Cumulative

Losses

Ending

Class Certificate

Balance

(1)

Rated

Final

Maturity

Original

Page 15 of 71

19-Sep-2008 09:53

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Bond Principal Reconciliation

B-6

2,995,000.00

2,992,162.19

385.26

0.00

2,991,776.93

20-Jan-38

N/A

B-7

1,712,122.00

1,710,500.75

220.24

0.00

199.51

1,710,280.51

20-Jan-38

N/A

Total

2,263,978,222.00

1,762,359,713.93

227,732.74

19,923,398.05

0.00

19,923,398.05

0.00

199.51

1,742,208,583.14

- - - - - - - - - - L o s s e s - - - - - - - - - -

- Credit Support -

Class

Original Class

Certificate Balance

Beginning Class

Ceritificate Balance

(1)

Scheduled Principal

Payment

Unscheduled

Principal

Payment

(1)

Prior

Loss

Reimburs.

Current

Losses

Current

Principal

Prepayments

(1)

Liquidation Proceeds

(1)

Notional Amount.

Cumulative

Losses

Ending

Class Certificate

Balance

(1)

Rated

Final

Maturity

Original

Page 16 of 71

19-Sep-2008 09:53

From

Current Total

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Current Period Bond Exchange Detail

Period

Class

Name

From

Class

Name

Exchange

Amount

- - - - - - M a x i m u m C l a s s B a l a n c e - - - - - -

- - - - P a s s T h r o u g h R a t e - - - -

Resulting Interest

Payment

Resulting Principal

Payment

Resulting

Shortfall

No Bond Exchanges Reported for the Current Period

Page 17 of 71

19-Sep-2008 09:53

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

22-Sep-08

897

630,544,407

10,412,455

3,999,787

14,311,841

464,000

2,366,000

20-Aug-08

911

641,112,319

7,879,388

7,571,843

10,919,209

464,000

1,649,000

21-Jul-08

924

651,460,001

9,771,006

7,555,915

6,812,909

464,000

1,649,000

20-Jun-08

946

668,839,346

10,407,035

2,913,497

6,657,909

20-May-08

980

693,739,412

9,844,898

3,070,349

4,043,560

21-Apr-08

1,024

727,862,646

8,665,464

2,386,560

2,113,000

20-Mar-08

1,074

767,482,435

11,616,103

2,113,000

20-Feb-08

1,157

831,095,719

5,835,300

22-Sep-08

95.02%

95.23%

1.48%

1.57%

0.74%

0.60%

2.22%

2.16%

0.11%

0.07%

0.42%

0.36%

0.00%

20-Aug-08

95.39%

95.75%

1.36%

1.18%

0.94%

1.13%

1.88%

1.63%

0.10%

0.07%

0.31%

0.25%

0.00%

21-Jul-08

95.85%

96.13%

1.35%

1.44%

1.24%

1.11%

1.14%

1.01%

0.10%

0.07%

0.31%

0.24%

0.00%

20-Jun-08

96.63%

97.10%

1.74%

1.51%

0.51%

0.42%

1.12%

0.97%

0.00%

20-May-08

97.32%

97.61%

1.49%

1.39%

0.50%

0.43%

0.70%

0.57%

0.00%

21-Apr-08

97.99%

98.22%

1.24%

1.17%

0.38%

0.32%

0.38%

0.29%

0.00%

20-Mar-08

98.17%

98.24%

1.46%

1.49%

0.37%

0.27%

0.00%

20-Feb-08

99.14%

99.30%

0.86%

0.70%

0.00%

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part I (as of Cut-Off)

Distribution

Date

Current

Delinq 1 Month

Delinq 2 Months

Delinq 3+ Months

Bankruptcy

Foreclosure

REO

Total (All Loans)

Delinquency Balances are Exclusive of REO, Foreclosures and Bankruptcies.

Page 18 of 71

19-Sep-2008 09:53

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part I (as of Cut-Off)

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

22-Sep-08

615

437,135,868

9,117,551

3,999,787

11,538,278

2,366,000

20-Aug-08

628

446,731,754

7,323,888

5,408,840

9,691,149

1,046,000

21-Jul-08

640

456,091,617

7,608,003

5,978,415

6,202,349

1,046,000

20-Jun-08

654

467,003,243

9,789,535

2,913,497

5,444,349

20-May-08

685

489,072,151

8,810,409

2,614,349

2,830,000

21-Apr-08

718

515,663,602

8,665,464

1,320,000

1,510,000

20-Mar-08

763

552,718,371

8,349,852

1,510,000

20-Feb-08

830

601,678,875

3,321,300

22-Sep-08

93.75%

94.18%

1.83%

1.96%

1.07%

0.86%

2.74%

2.49%

0.00%

0.61%

0.51%

0.00%

20-Aug-08

94.44%

95.01%

1.80%

1.56%

1.05%

1.15%

2.41%

2.06%

0.00%

0.30%

0.22%

0.00%

21-Jul-08

95.10%

95.63%

1.63%

1.60%

1.49%

1.25%

1.49%

1.30%

0.00%

0.30%

0.22%

0.00%

20-Jun-08

95.61%

96.26%

2.34%

2.02%

0.73%

0.60%

1.32%

1.12%

0.00%

20-May-08

96.89%

97.17%

1.84%

1.75%

0.57%

0.52%

0.71%

0.56%

0.00%

21-Apr-08

97.55%

97.82%

1.77%

1.64%

0.27%

0.25%

0.41%

0.29%

0.00%

20-Mar-08

98.07%

98.25%

1.54%

1.48%

0.39%

0.27%

0.00%

20-Feb-08

99.28%

99.45%

0.72%

0.55%

0.00%

Group 1

Delinq 3+ Months

Bankruptcy

Foreclosure

REO

Distribution

Date

Current

Delinq 1 Month

Delinq 2 Months

Group 1

Delinquency Balances are Exclusive of REO, Foreclosures and Bankruptcies.

Page 19 of 71

19-Sep-2008 09:53

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part I (as of Cut-Off)

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

22-Sep-08

180

124,775,590

1,294,904

2,163,002

464,000

20-Aug-08

181

125,726,031

555,500

2,163,002

617,500

464,000

603,000

21-Jul-08

182

126,485,206

2,163,002

1,577,500

464,000

603,000

20-Jun-08

189

131,935,210

617,500

603,000

20-May-08

191

134,088,658

1,034,489

456,000

603,000

21-Apr-08

199

139,909,073

456,000

603,000

20-Mar-08

204

142,438,929

2,655,691

603,000

20-Feb-08

217

154,660,108

2,514,000

22-Sep-08

97.30%

96.95%

1.08%

1.01%

0.00%

1.08%

1.68%

0.54%

0.36%

0.00%

20-Aug-08

96.79%

96.62%

0.53%

0.43%

1.07%

1.66%

0.53%

0.47%

0.53%

0.36%

0.53%

0.46%

0.00%

21-Jul-08

96.81%

96.34%

1.06%

1.65%

1.06%

1.20%

0.00%

0.53%

0.35%

0.53%

0.46%

0.00%

20-Jun-08

98.95%

99.08%

0.52%

0.46%

0.00%

0.52%

0.45%

0.00%

20-May-08

97.95%

98.46%

1.03%

0.76%

0.51%

0.33%

0.51%

0.44%

0.00%

21-Apr-08

99.00%

99.25%

0.00%

0.50%

0.32%

0.50%

0.43%

0.00%

20-Mar-08

98.08%

97.76%

1.44%

1.82%

0.48%

0.41%

0.00%

20-Feb-08

98.19%

98.40%

1.81%

1.60%

0.00%

Distribution

Date

Current

Delinq 1 Month

Delinq 2 Months

Delinq 3+ Months

Bankruptcy

Foreclosure

REO

Group 2

Delinquency Balances are Exclusive of REO, Foreclosures and Bankruptcies.

Page 20 of 71

19-Sep-2008 09:53

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part I (as of Cut-Off)

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

22-Sep-08

102

68,632,949

610,560

20-Aug-08

102

68,654,533

610,560

21-Jul-08

102

68,883,177

610,560

20-Jun-08

103

69,900,893

610,560

20-May-08

104

70,578,603

610,560

21-Apr-08

107

72,289,972

610,560

20-Mar-08

107

72,325,135

610,560

20-Feb-08

110

74,756,736

22-Sep-08

99.03%

99.12%

0.00%

0.97%

0.88%

0.00%

20-Aug-08

99.03%

99.12%

0.00%

0.97%

0.88%

0.00%

21-Jul-08

99.03%

99.12%

0.00%

0.97%

0.88%

0.00%

20-Jun-08

99.04%

99.13%

0.00%

0.96%

0.87%

0.00%

20-May-08

99.05%

99.14%

0.00%

0.95%

0.86%

0.00%

21-Apr-08

99.07%

99.16%

0.00%

0.93%

0.84%

0.00%

20-Mar-08

99.07%

99.16%

0.93%

0.84%

0.00%

20-Feb-08

100.00%

0.00%

Distribution

Date

Current

Delinq 1 Month

Delinq 2 Months

Delinq 3+ Months

Bankruptcy

Foreclosure

REO

Group 3

Delinquency Balances are Exclusive of REO, Foreclosures and Bankruptcies.

Page 21 of 71

19-Sep-2008 09:53

Balance

22-Sep-08

2,366,000

464,000

20-Aug-08

1,649,000

464,000

21-Jul-08

1,649,000

464,000

20-Jun-08

20-May-08

21-Apr-08

20-Mar-08

20-Feb-08

22-Sep-08

0.00%

0.42%

0.36%

0.00%

0.11%

0.07%

0.00%

20-Aug-08

0.00%

0.31%

0.25%

0.00%

0.10%

0.07%

0.00%

21-Jul-08

0.00%

0.31%

0.24%

0.00%

0.10%

0.07%

0.00%

20-Jun-08

0.00%

20-May-08

0.00%

21-Apr-08

0.00%

20-Mar-08

0.00%

20-Feb-08

0.00%

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part II (as of Cut-Off)

- - - - - - - - - - - I n F o r e c l o s u r e a n d D e l i n q u e n t - - - - - - - - - - - - -

- - - - - - - - - - - - - - - I n R E O a n d D e l i n q u e n t - - - - - - - - - - - - - -

- - - - - - - - - - - - - I n B a n k r u p t c y a n d D e l i n q u e n t - - - - - - - - - - - - -

Distribution

Date

Current

31-60 Days

61-90 Days

90 + Days

Current

31-60 Days

61-90 Days

90 + Days

Total (All Loans)

61-90 Days

90 + Days

Current

31-60 Days

Page 22 of 71

19-Sep-2008 09:53

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part II (as of Cut-Off)

Balance

22-Sep-08

2,366,000

20-Aug-08

1,046,000

21-Jul-08

1,046,000

20-Jun-08

20-May-08

21-Apr-08

20-Mar-08

20-Feb-08

22-Sep-08

0.00%

0.61%

0.51%

0.00%

20-Aug-08

0.00%

0.30%

0.22%

0.00%

21-Jul-08

0.00%

0.30%

0.22%

0.00%

20-Jun-08

0.00%

20-May-08

0.00%

21-Apr-08

0.00%

20-Mar-08

0.00%

20-Feb-08

0.00%

90 + Days

Current

31-60 Days

61-90 Days

90 + Days

Current

- - - - - - - - - - - I n F o r e c l o s u r e a n d D e l i n q u e n t - - - - - - - - - - - - -

- - - - - - - - - - - - - - - I n R E O a n d D e l i n q u e n t - - - - - - - - - - - - - -

- - - - - - - - - - - - - I n B a n k r u p t c y a n d D e l i n q u e n t - - - - - - - - - - - - -

Distribution

Date

Current

31-60 Days

61-90 Days

31-60 Days

61-90 Days

90 + Days

Group 1

Page 23 of 71

19-Sep-2008 09:53

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part II (as of Cut-Off)

Balance

22-Sep-08

464,000

20-Aug-08

603,000

464,000

21-Jul-08

603,000

464,000

20-Jun-08

20-May-08

21-Apr-08

20-Mar-08

20-Feb-08

22-Sep-08

0.00%

0.54%

0.36%

0.00%

20-Aug-08

0.00%

0.53%

0.46%

0.00%

0.53%

0.36%

0.00%

21-Jul-08

0.00%

0.53%

0.46%

0.00%

0.53%

0.35%

0.00%

20-Jun-08

0.00%

20-May-08

0.00%

21-Apr-08

0.00%

20-Mar-08

0.00%

20-Feb-08

0.00%

- - - - - - - - - - - I n F o r e c l o s u r e a n d D e l i n q u e n t - - - - - - - - - - - - -

- - - - - - - - - - - - - - - I n R E O a n d D e l i n q u e n t - - - - - - - - - - - - - -

- - - - - - - - - - - - - I n B a n k r u p t c y a n d D e l i n q u e n t - - - - - - - - - - - - -

31-60 Days

61-90 Days

Distribution

Date

Current

31-60 Days

61-90 Days

90 + Days

Group 2

90 + Days

Current

31-60 Days

61-90 Days

90 + Days

Current

Page 24 of 71

19-Sep-2008 09:53

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part II (as of Cut-Off)

Balance

22-Sep-08

20-Aug-08

21-Jul-08

20-Jun-08

20-May-08

21-Apr-08

20-Mar-08

20-Feb-08

22-Sep-08

0.00%

20-Aug-08

0.00%

21-Jul-08

0.00%

20-Jun-08

0.00%

20-May-08

0.00%

21-Apr-08

0.00%

20-Mar-08

0.00%

20-Feb-08

0.00%

- - - - - - - - - - - I n F o r e c l o s u r e a n d D e l i n q u e n t - - - - - - - - - - - - -

- - - - - - - - - - - - - - - I n R E O a n d D e l i n q u e n t - - - - - - - - - - - - - -

- - - - - - - - - - - - - I n B a n k r u p t c y a n d D e l i n q u e n t - - - - - - - - - - - - -

Distribution

Date

Current

31-60 Days

61-90 Days

90 + Days

Current

31-60 Days

61-90 Days

90 + Days

Group 3

61-90 Days

90 + Days

Current

31-60 Days

Page 25 of 71

19-Sep-2008 09:53

Substitution

Liquidation

Remaining Term

Balance

Proceeds

Amount

Life

Gross WAC

Net WAC

22-Sep-08

944

662,098,490

6,824,563

0.00

349

6.56%

6.31%

20-Aug-08

955

669,595,759

6,334,604

0.00

350

6.56%

6.31%

21-Jul-08

964

677,712,830

10,883,349

0.00

352

6.56%

6.31%

20-Jun-08

979

688,817,787

21,570,993

0.00

300

6.58%

6.33%

20-May-08

1,007

710,698,219

29,282,500

0.00

338

6.59%

6.34%

21-Apr-08

1,045

741,027,670

38,843,943

0.00

341

6.59%

6.34%

20-Mar-08

1,094

781,211,537

54,787,987

0.00

356

6.62%

6.37%

20-Feb-08

1,167

836,931,019

17,370,276

0.00

357

6.64%

6.39%

22-Sep-08

656

464,157,485

5,627,263

0.00

349

6.56%

6.31%

20-Aug-08

665

470,201,632

5,547,604

0.00

350

6.56%

6.31%

21-Jul-08

673

476,926,384

8,052,688

0.00

352

6.56%

6.31%

20-Jun-08

684

485,150,624

17,929,410

0.00

302

6.57%

6.32%

20-May-08

707

503,326,909

22,869,679

0.00

342

6.58%

6.33%

21-Apr-08

736

527,159,066

34,341,702

0.00

341

6.59%

6.34%

20-Mar-08

778

562,578,223

41,955,265

0.00

356

6.62%

6.37%

20-Feb-08

836

605,000,175

12,087,500

0.00

357

6.63%

6.38%

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Asset-Backed Facts ~ 15 Month Historical Payoff/Loss Summary

Curr Weighted Avg.

Total (All Loans)

Group 1

Distribution

Date

Ending Pool

Payoffs

Realized Losses

Page 26 of 71

19-Sep-2008 09:53

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Asset-Backed Facts ~ 15 Month Historical Payoff/Loss Summary

Substitution

Liquidation

Remaining Term

Balance

Proceeds

Amount

Life

Gross WAC

Net WAC

22-Sep-08

185

128,697,497

1,197,300

0.00

349

6.53%

6.28%

20-Aug-08

187

130,129,033

787,000

0.00

350

6.54%

6.29%

21-Jul-08

188

131,292,709

1,830,671

0.00

351

6.54%

6.29%

20-Jun-08

191

133,155,710

2,991,583

0.00

295

6.57%

6.32%

20-May-08

195

136,182,147

4,734,742

0.00

325

6.58%

6.33%

21-Apr-08

201

140,968,073

4,502,240

0.00

343

6.59%

6.34%

20-Mar-08

208

145,697,620

11,034,322

0.00

355

6.64%

6.39%

20-Feb-08

221

157,174,108

5,282,776

0.00

356

6.68%

6.43%

22-Sep-08

103

69,243,509

0.00

350

6.63%

6.38%

20-Aug-08

103

69,265,093

0.00

351

6.63%

6.38%

21-Jul-08

103

69,493,737

999,990

0.00

352

6.63%

6.38%

20-Jun-08

104

70,511,453

650,000

0.00

299

6.63%

6.38%

20-May-08

105

71,189,163

1,678,078

0.00

335

6.63%

6.38%

21-Apr-08

108

72,900,532

0.00

338

6.63%

6.38%

20-Mar-08

108

72,935,695

1,798,400

0.00

356

6.63%

6.38%

20-Feb-08

110

74,756,736

0.00

357

6.63%

6.38%

Curr Weighted Avg.

Group 2

Group 3

Distribution

Date

Ending Pool

Payoffs

Realized Losses

Page 27 of 71

19-Sep-2008 09:53

SMM (Single Monthly Mortality)

Total

Current Period

1.11%

3-Month Average

1.30%

6-Month Average

2.69%

12-Month Average

3.12%

Average Since Cut-Off

3.12%

CPR (Conditional Prepayment Rate)

Total

Current Period

12.50%

3-Month Average

14.47%

6-Month Average

26.79%

12-Month Average

30.02%

Average Since Cut-Off

30.02%

PSA (Public Securities Association)

Total

Current Period

208%

3-Month Average

241%

6-Month Average

447%

12-Month Average

500%

Average Since Cut-Off

500%

SMM

Single Monthly Mortality

(Partial and Full Prepayments + Repurchases + Curtailments + Liquidations + Other Prin Proceeds) / (Beginning Collateral Bal - Scheduled Prin)

CPR

Conditional Prepayment Rate

1 - (1 - SMM)^12)

PSA

Public Securities Association

100 * CPR / (0.2 * MIN(30,WAS))

WAS

Weighted Average Seasoning

(Original Term - Remaining Term) * (Current Scheduled Balance / Deal Scheduled Principal Balance)

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Total (All Loans)

Distribution Date: 22-Sep-08

Prepayment Summary

0.00%

2.43%

4.86%

7.29%

9.71%

12.14%

14.57%

17.00%

Oct-07

Nov-07

Dec-07

Jan-08

Feb-08

Mar-08

Apr-08

May-08

Jun-08

Jul-08

Aug-08

Sep-08

0.00%

14.29%

28.57%

42.86%

57.14%

71.43%

85.71%

100.00%

Oct-07

Nov-07

Dec-07

Jan-08

Feb-08

Mar-08

Apr-08

May-08

Jun-08

Jul-08

Aug-08

Sep-08

229%

457%

686%

914%

1143%

1371%

1600%

Oct-07

Nov-07

Dec-07

Jan-08

Feb-08

Mar-08

Apr-08

May-08

Jun-08

Jul-08

Aug-08

Sep-08

Page 28 of 71

19-Sep-2008 09:53

Min

Max

Count

% of Total

Balance

% of Total

Min

Max

Count

% of Total

Balance

% of Total

4,000.00

489,000.00

10.06%

41,994,464

6.34%

28,000.00

497,000.00

120

10.08%

54,926,894

6.42%

489,000.01

521,000.00

7.84%

37,512,606

5.67%

497,000.01

529,000.00

7.05%

43,109,519

5.04%

521,000.01

553,000.00

8.05%

40,919,416

6.18%

529,000.01

561,000.00

105

8.82%

57,320,912

6.70%

553,000.01

585,000.00

8.47%

45,563,528

6.88%

561,000.01

593,000.00

7.72%

53,251,248

6.22%

585,000.01

617,000.00

8.79%

49,836,741

7.53%

593,000.01

625,000.00

103

8.65%

62,579,924

7.31%

617,000.01

647,000.00

6.78%

40,443,004

6.11%

625,000.01

657,000.00

7.64%

58,547,560

6.84%

647,000.01

716,000.00

128

13.56%

86,662,356

13.09%

657,000.01

726,000.00

148

12.43%

101,920,679

11.91%

716,000.01

785,000.00

8.79%

62,251,578

9.40%

726,000.01

795,000.00

8.14%

73,728,810

8.62%

785,000.01

854,000.00

7.52%

58,195,242

8.79%

795,000.01

864,000.00

7.81%

77,024,200

9.00%

854,000.01

923,000.00

5.51%

46,251,735

6.99%

864,000.01

933,000.00

5.46%

58,461,230

6.83%

923,000.01

990,000.00

4.45%

40,513,311

6.12%

933,000.01

1,000,000.00

108

9.07%

106,325,487

12.43%

990,000.01

1,600,000.00

10.17%

111,954,509

16.91%

1,000,000.01

1,600,000.00

7.14%

108,476,759

12.68%

944

100.00%

662,098,490

100.00%

1,191

100.00%

855,673,223

100.00%

Min

Max

Count

% of Total

Balance

% of Total

Min

Max

Count

% of Total

Balance

% of Total

4.75%

5.00%

0.21%

2,093,439

0.32%

4.75%

5.00%

0.17%

2,114,653

0.25%

5.00%

5.25%

0.11%

473,765

0.07%

5.00%

5.25%

0.08%

479,376

0.06%

5.25%

5.50%

1.17%

7,148,043

1.08%

5.25%

5.50%

0.92%

7,182,989

0.84%

5.50%

5.75%

3.81%

23,992,217

3.62%

5.50%

5.75%

3.11%

25,280,133

2.95%

5.75%

6.00%

7.52%

47,669,185

7.20%

5.75%

6.00%

6.30%

50,258,414

5.87%

6.00%

6.25%

132

13.98%

93,569,732

14.13%

6.00%

6.25%

157

13.18%

114,718,465

13.41%

6.25%

6.50%

246

26.06%

174,673,896

26.38%

6.25%

6.50%

303

25.44%

223,520,161

26.12%

6.50%

6.75%

194

20.55%

138,091,739

20.86%

6.50%

6.75%

236

19.82%

170,641,418

19.94%

6.75%

7.00%

140

14.83%

100,876,309

15.24%

6.75%

7.00%

168

14.11%

122,833,421

14.36%

7.00%

7.25%

6.25%

37,857,543

5.72%

7.00%

7.25%

6.55%

52,169,033

6.10%

7.25%

7.50%

2.97%

18,697,227

2.82%

7.25%

7.50%

3.95%

32,225,183

3.77%

7.50%

8.38%

2.54%

16,955,396

2.56%

7.50%

8.38%

6.38%

54,249,977

6.34%

944

100.00%

662,098,490

100.00%

1,191

100.00%

855,673,223

100.00%

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Mortgage Loan Characteristics Part I

Stratifications only include loans with a balance > .01

Total (All Loans)

Distribution by Current Ending Principal Balance

Distribution by Cut-off Principal Balance

Distribution by Current Mortgage Rate

Distribution by Original Mortgage Rate

Page 29 of 71

19-Sep-2008 09:53

944

662,098,490

100.00%

349.31

6.56%

1,191

855,673,223

100.00%

357.61

6.64%

944

662,098,490

100.00%

1,191

855,673,223

100.00%

632

447,979,990

67.66%

349.24

6.56%

796

579,771,747

67.76%

357.67

6.64%

196

134,552,216

20.32%

349.35

6.52%

250

174,362,260

20.38%

357.65

6.62%

54,797,545

8.28%

349.71

6.60%

69,085,850

8.07%

357.07

6.63%

17,347,181

2.62%

349.55

6.64%

21,077,586

2.46%

357.50

6.74%

5,160,532

0.78%

349.51

6.36%

9,114,180

1.07%

357.61

6.49%

2,261,026

0.34%

349.26

6.42%

2,261,600

0.26%

356.74

6.42%

944

662,098,490

100.00%

1,191

855,673,223

100.00%

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Mortgage Loan Characteristics Part II

Total (All Loans)

Stratifications only include loans with a balance > .01

Adjustable

Distribution by Product Characteristics (Current)

Product Type

# of

Loans

Ending Balance

% of

Balance

WAMM

WAC

Total

Distribution by Product Characteristics (Cut-off)

Product Type

# of

Loans

Original Principal

Balance

% of

Balance

WAMM

WAC

Adjustable

Total

Condo - Low Facility

Condo - High Facility

Distribution by Property Types (Current)

Property Type

# of

Loans

Ending Balance

% of

Balance

WAMM

WAC

SF Unattached Dwelling

PUD

Multifamily

SF Attached Dwelling

SF Unattached Dwelling

PUD

Distribution by Property Types (Cut-off)

Property Type

# of

Loans

Ending Balance

% of

Balance

WAMM

WAC

Condo - Low Facility

Condo - High Facility

Multifamily

SF Attached Dwelling

Total

Page 30 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Mortgage Loan Characteristics Part II

889

620,637,322

93.74%

349.28

6.54%

1,124

803,022,544

93.85%

357.59

6.63%

38,656,451

5.84%

349.74

6.80%

49,839,457

5.82%

357.81

6.76%

2,804,718

0.42%

349.62

6.78%

2,811,222

0.33%

359.00

6.77%

944

662,098,490

100.00%

1,191

855,673,223

100.00%

541

381,102,937

57.56%

349.43

6.52%

655

472,760,391

55.25%

357.49

6.57%

283

193,793,330

29.27%

348.92

6.56%

382

266,849,033

31.19%

357.81

6.68%

120

87,202,223

13.17%

349.68

6.70%

154

116,063,799

13.56%

357.63

6.79%

944

662,098,490

100.00%

1,191

855,673,223

100.00%

Total (All Loans)

Owner Occupied - Primary Residence

Occupancy Type

# of

Loans

Ending Balance

% of

Balance

WAMM

Owner Occupied - Secondary Residence

Non-Owner Occupied

Purchase

Loan Purpose

# of

Loans

Refinance/No Cash Out

Refinance/Equity Takeout

Stratifications only include loans with a balance > .01

Total

Distribution by Occupancy Type (Current)

WAC

Total

Distribution by Occupancy Type (Cut-off)

Occupancy Type

# of

Loans

Ending Balance

% of

Balance

WAMM

WAC

Distribution by Loan Purpose (Current)

Loan Purpose

# of

Loans

Ending Balance

% of

Balance

WAMM

WAC

Total

Distribution by Loan Purpose (Cut-off)

Ending Balance

% of

Balance

WAMM

Page 31 of 71

19-Sep-2008 09:54

WAMM

WAC

California

659

452,148,862

68.29%

349

6.55%

Virginia

22,825,097

3.45%

349

6.69%

Florida

20,873,972

3.15%

350

6.55%

Colorado

20,207,179

3.05%

350

6.59%

Arizona

15,793,394

2.39%

350

6.74%

Maryland

13,308,277

2.01%

350

6.54%

New York

11,480,156

1.73%

349

6.61%

Texas

10,490,210

1.58%

350

6.35%

Illinois

10,134,647

1.53%

349

6.61%

Washington

9,048,092

1.37%

350

6.34%

Remaining

101

75,788,604

11.45%

350

6.54%

WAMM

WAC

California

849

599,982,785

70.12%

358

6.65%

Colorado

26,000,185

3.04%

358

6.57%

Florida

25,026,958

2.92%

357

6.55%

Virginia

22,851,439

2.67%

358

6.68%

Illinois

19,671,297

2.30%

358

6.81%

Arizona

16,654,768

1.95%

357

6.75%

Washington

15,462,581

1.81%

358

6.46%

Maryland

15,322,932

1.79%

357

6.54%

Texas

12,140,727

1.42%

357

6.43%

New York

11,494,637

1.34%

357

6.61%

Remaining

122

91,064,913

10.64%

357

6.59%

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Geographic Concentration

Total (All Loans)

Top 10 Current State Concentration

Geographic
Distribution

# of

Loans

Balance

(1)

% of

Balance

Stratifications only include loans with a balance > .01

(1)

Based on Current Period Ending Principal Balance

Top 10 Original State Concentration

Geographic
Distribution

# of

Loans

Balance

(1)

% of

Balance

Top 10 Current State Concentration

California

Colorado

Florida

Virginia

Washington

Illinois

Texas

New York

Maryland

Arizona

Remaining

Page 32 of 71

19-Sep-2008 09:54

Current Total

0.00

Cumulative

0.00

C
H
M
N
O
P

REO
Short Pay
Third Party
Write-off
Assigned

R
S
T
W
A

1
2
3
4
5

6
7
8
9

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Current Period Realized Loss Detail

Total (All Loans)

Disclosure Control #

Period

Cutoff Balance

Original Balance at

Liquidation

Net Liquidation

Proceeds

Loss-Loan Non-

adjusted

Loss to Trust

Loss-Certs Non-

adjusted

Subsequent

Recov/(Exp)

Adj Type

No Realized Losses Reported for the Current Period

Loss-Loan Adjusted Loss-Certs Adjusted

LTV at

Liquidation

Liq Type

0.00

Liq. Type Code - Legend
Charge-off
Hold for Sale
Matured
Repurchase
Note Sale
Paid in Full

Adjustment Legend
Escrow Bal/Adv
MREC
Rest'd Escrow
Replacement Res.
Suspense

Third Party
Charged Off/Matured
Side Note
Manual

Page 33 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Current Period Realized Loss Detail

Current Total

0.00

Cumulative

0.00

C
H
M
N
O
P

REO
Short Pay
Third Party
Write-off
Assigned

R
S
T
W
A

1
2
3
4
5

6
7
8
9

Third Party
Charged Off/Matured
Side Note
Manual

Liq. Type Code - Legend
Charge-off
Hold for Sale
Matured
Repurchase
Note Sale
Paid in Full

Adjustment Legend
Escrow Bal/Adv
MREC
Rest'd Escrow
Replacement Res.
Suspense

0.00

Adj Type

No Realized Losses Reported for the Current Period

Loss-Loan Adjusted Loss-Certs Adjusted

LTV at

Liquidation

Liq Type

Group 1

Disclosure Control #

Period

Cutoff Balance

Original Balance at

Liquidation

Net Liquidation

Proceeds

Loss-Loan Non-

adjusted

Loss to Trust

Loss-Certs Non-

adjusted

Subsequent

Recov/(Exp)

Page 34 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Current Period Realized Loss Detail

Current Total

0.00

Cumulative

0.00

C
H
M
N
O
P

REO
Short Pay
Third Party
Write-off
Assigned

R
S
T
W
A

1
2
3
4
5

6
7
8
9

Third Party
Charged Off/Matured
Side Note
Manual

Liq. Type Code - Legend
Charge-off
Hold for Sale
Matured
Repurchase
Note Sale
Paid in Full

Adjustment Legend
Escrow Bal/Adv
MREC
Rest'd Escrow
Replacement Res.
Suspense

0.00

Adj Type

No Realized Losses Reported for the Current Period

Loss-Loan Adjusted Loss-Certs Adjusted

LTV at

Liquidation

Liq Type

Group 2

Disclosure Control #

Period

Cutoff Balance

Original Balance at

Liquidation

Net Liquidation

Proceeds

Loss-Loan Non-

adjusted

Loss to Trust

Loss-Certs Non-

adjusted

Subsequent

Recov/(Exp)

Page 35 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Current Period Realized Loss Detail

Current Total

0.00

Cumulative

0.00

C
H
M
N
O
P

REO
Short Pay
Third Party
Write-off
Assigned

R
S
T
W
A

1
2
3
4
5

6
7
8
9

Third Party
Charged Off/Matured
Side Note
Manual

Liq. Type Code - Legend
Charge-off
Hold for Sale
Matured
Repurchase
Note Sale
Paid in Full

Adjustment Legend
Escrow Bal/Adv
MREC
Rest'd Escrow
Replacement Res.
Suspense

0.00

Adj Type

No Realized Losses Reported for the Current Period

Loss-Loan Adjusted Loss-Certs Adjusted

LTV at

Liquidation

Liq Type

Group 3

Disclosure Control #

Period

Cutoff Balance

Original Balance at

Liquidation

Net Liquidation

Proceeds

Loss-Loan Non-

adjusted

Loss to Trust

Loss-Certs Non-

adjusted

Subsequent

Recov/(Exp)

Page 36 of 71

19-Sep-2008 09:54

Distribution Date

Beginning Scheduled

Balance

Net Liquidation

Proceeds

Realized Loss

Loan Count

Realized Loss

Adjusted

Cumulative

Realized Loss

Amount

Count

Amount

Count

Amount

Count

22-Sep-08

0.00

20-Aug-08

0.00

21-Jul-08

0.00

20-Jun-08

0.00

20-May-08

0.00

21-Apr-08

0.00

20-Mar-08

0.00

20-Feb-08

0.00

Total

0.00

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Historical Realized Loss Summary

Total (All Loans)

- - - - - - - - - - - - - - - - - C u r r e n t R e a l i z e d L o s s - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - P r e v i o u s L i q u i d a t i o n s / P a y o f f s - - - - - - - - - - - - - -

Claims on Prior

Liquidations

Recovery on Prior

Liquidations

(Claims)/Recoveries on

Prior Payoffs

Page 37 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Historical Realized Loss Summary

Distribution Date

Beginning Scheduled

Balance

Net Liquidation

Proceeds

Realized Loss

Loan Count

Realized Loss

Adjusted

Cumulative

Realized Loss

Amount

Count

Amount

Count

Amount

Count

22-Sep-08

0.00

20-Aug-08

0.00

21-Jul-08

0.00

20-Jun-08

0.00

20-May-08

0.00

21-Apr-08

0.00

20-Mar-08

0.00

20-Feb-08

0.00

Total

0.00

Group 1

- - - - - - - - - - - - - - - - - C u r r e n t R e a l i z e d L o s s - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - P r e v i o u s L i q u i d a t i o n s / P a y o f f s - - - - - - - - - - - - - -

Claims on Prior

Liquidations

Recovery on Prior

Liquidations

(Claims)/Recoveries on

Prior Payoffs

Page 38 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Historical Realized Loss Summary

Distribution Date

Beginning Scheduled

Balance

Net Liquidation

Proceeds

Realized Loss

Loan Count

Realized Loss

Adjusted

Cumulative

Realized Loss

Amount

Count

Amount

Count

Amount

Count

22-Sep-08

0.00

20-Aug-08

0.00

21-Jul-08

0.00

20-Jun-08

0.00

20-May-08

0.00

21-Apr-08

0.00

20-Mar-08

0.00

20-Feb-08

0.00

Total

0.00

Group 2

- - - - - - - - - - - - - - - - - C u r r e n t R e a l i z e d L o s s - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - P r e v i o u s L i q u i d a t i o n s / P a y o f f s - - - - - - - - - - - - - -

Claims on Prior

Liquidations

Recovery on Prior

Liquidations

(Claims)/Recoveries on

Prior Payoffs

Page 39 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Historical Realized Loss Summary

Distribution Date

Beginning Scheduled

Balance

Net Liquidation

Proceeds

Realized Loss

Loan Count

Realized Loss

Adjusted

Cumulative

Realized Loss

Amount

Count

Amount

Count

Amount

Count

22-Sep-08

0.00

20-Aug-08

0.00

21-Jul-08

0.00

20-Jun-08

0.00

20-May-08

0.00

21-Apr-08

0.00

20-Mar-08

0.00

20-Feb-08

0.00

Total

0.00

Group 3

- - - - - - - - - - - - - - - - - C u r r e n t R e a l i z e d L o s s - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - P r e v i o u s L i q u i d a t i o n s / P a y o f f s - - - - - - - - - - - - - -

Claims on Prior

Liquidations

Recovery on Prior

Liquidations

(Claims)/Recoveries on

Prior Payoffs

Page 40 of 71

19-Sep-2008 09:54

MDR (monthly Default Rate)

Total

Current Period

0.00%

3-Month Average

0.00%

6-Month Average

0.00%

12-Month Average

0.00%

Average Since Cut-Off

0.00%

CDR (Conditional Default Rate)

Total

Current Period

0.00%

3-Month Average

0.00%

6-Month Average

0.00%

12-Month Average

0.00%

Average Since Cut-Off

0.00%

SDA (Standard Default Assumption)

Total

Current Period

0.00%

3-Month Average

0.00%

6-Month Average

0.00%

12-Month Average

0.00%

Average Since Cut-Off

0.00%

MDR

Monthly Default Rate

(Beginning Principal Balance of Liquidated Loans) / (Total Beginning Principal Balance)

CDR

Conditional Default Rate

1 - (1 - MDR)^12

SDA

Standard Default Assumption

If WAS=30 then CDR/(WAS*0.02) else if 30<WAS=60 then CDR/0.6 else if 60<WAS=120 then CDR/(0.6-((WAS-60)*0.0095)) else if WAS>120 then CDR/0.03

WAS

Weighted Average Seasoning

(Original Term - Remaining Term) * (Current Scheduled Balance / Deal Scheduled Principal Balance)

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Total (All Loans)

Distribution Date: 22-Sep-08

Realized Loss Summary

0.00%

0.86%

1.71%

2.57%

3.43%

4.29%

5.14%

6.00%

Oct-07

Nov-07

Dec-07

Jan-08

Feb-08

Mar-08

Apr-08

May-08

Jun-08

Jul-08

Aug-08

Sep-08

0.00%

7.14%

14.29%

21.43%

28.57%

35.71%

42.86%

50.00%

Oct-07

Nov-07

Dec-07

Jan-08

Feb-08

Mar-08

Apr-08

May-08

Jun-08

Jul-08

Aug-08

Sep-08

171%

343%

514%

686%

857%

1029%

1200%

Oct-07

Nov-07

Dec-07

Jan-08

Feb-08

Mar-08

Apr-08

May-08

Jun-08

Jul-08

Aug-08

Sep-08

Page 41 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Material Breaches Detail

Material Breach Description

No Material Breaches Reported

Disclosure

Control #

Loan Group #

Ending Principal

Balance

Material Breach

Date

Material breaches of pool asset representation or warranties or transaction covenants.

Page 42 of 71

19-Sep-2008 09:54

Total Loan Count:

Total Balance:

0.00

% of Stated Prin Bal

0.00%

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Modified Loan Detail (Current Period)

Total (All Loans)

Disclosure Control #

Modification Date

Beginning Scheduled

Balance

Modified Balance

Prior Interest

Rate

Modified Interest

Rate

Prior Term
Remaining

Modified Term

Remaining

No Loan Modification Reported for the Current Period

Modifications include any extensions or waivers to the mortgage loan terms, fees, penalties or payments during the preceding calendar month or that have become material over time.

Fees Waived

Penalties

Waived

Modified Payment

Principal

Foregiveness

Page 43 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Modified Loan Detail (Current Period)

Total Loan Count:

Total Balance:

0.00

% of Stated Prin Bal

0.00%

Group 1

Modified Interest

Rate

Prior Term
Remaining

Disclosure Control #

Modification Date

Beginning Scheduled

Balance

Principal

Foregiveness

No Loan Modification Reported for the Current Period

Modifications include any extensions or waivers to the mortgage loan terms, fees, penalties or payments during the preceding calendar month or that have become material over time.

Modified Term

Remaining

Fees Waived

Penalties

Waived

Modified Payment

Modified Balance

Prior Interest

Rate

Page 44 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Modified Loan Detail (Current Period)

Total Loan Count:

Total Balance:

0.00

% of Stated Prin Bal

0.00%

Group 2

Disclosure Control #

Modification Date

Beginning Scheduled

Balance

Modified Balance

Prior Interest

Rate

Modified Interest

Rate

Prior Term
Remaining

Modified Term

Remaining

No Loan Modification Reported for the Current Period

Modifications include any extensions or waivers to the mortgage loan terms, fees, penalties or payments during the preceding calendar month or that have become material over time.

Fees Waived

Penalties

Waived

Modified Payment

Principal

Foregiveness

Page 45 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Modified Loan Detail (Current Period)

Total Loan Count:

Total Balance:

0.00

% of Stated Prin Bal

0.00%

Group 3

Modified Interest

Rate

Prior Term
Remaining

Disclosure Control #

Modification Date

Beginning Scheduled

Balance

Principal

Foregiveness

No Loan Modification Reported for the Current Period

Modifications include any extensions or waivers to the mortgage loan terms, fees, penalties or payments during the preceding calendar month or that have become material over time.

Modified Term

Remaining

Fees Waived

Penalties

Waived

Modified Payment

Modified Balance

Prior Interest

Rate

Page 46 of 71

19-Sep-2008 09:54

200809

0.00%

0.00

200808

0.00%

0.00

200807

0.00%

0.00

200806

0.00%

0.00

200805

0.00%

0.00

200804

0.00%

0.00

200803

0.00%

0.00

200802

0.00%

0.00

Total

0.00

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Historical Modified Loan Detail

Total (All Loans)

Period

Count

% of Balance

Beginning Scheduled

Balance

Current Scheduled

Balance

Principal Foregiven

Amount Capitalized

Amount Deferred

Pre-Mod Payment

Post-Mod Payment

Page 47 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Historical Modified Loan Detail

200809

0.00%

0.00

200808

0.00%

0.00

200807

0.00%

0.00

200806

0.00%

0.00

200805

0.00%

0.00

200804

0.00%

0.00

200803

0.00%

0.00

200802

0.00%

0.00

Total

0.00

% of Balance

Beginning Scheduled

Balance

Group 1

Pre-Mod Payment

Post-Mod Payment

Current Scheduled

Balance

Principal Foregiven

Amount Capitalized

Amount Deferred

Period

Count

Page 48 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Historical Modified Loan Detail

200809

0.00%

0.00

200808

0.00%

0.00

200807

0.00%

0.00

200806

0.00%

0.00

200805

0.00%

0.00

200804

0.00%

0.00

200803

0.00%

0.00

200802

0.00%

0.00

Total

0.00

Group 2

Period

Count

% of Balance

Beginning Scheduled

Balance

Current Scheduled

Balance

Principal Foregiven

Amount Capitalized

Amount Deferred

Pre-Mod Payment

Post-Mod Payment

Page 49 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Historical Modified Loan Detail

200809

0.00%

0.00

200808

0.00%

0.00

200807

0.00%

0.00

200806

0.00%

0.00

200805

0.00%

0.00

200804

0.00%

0.00

200803

0.00%

0.00

200802

0.00%

0.00

Total

0.00

% of Balance

Beginning Scheduled

Balance

Group 3

Pre-Mod Payment

Post-Mod Payment

Current Scheduled

Balance

Principal Foregiven

Amount Capitalized

Amount Deferred

Period

Count

Page 50 of 71

19-Sep-2008 09:54

To Date

6-Month Average

12-Month Average

Redefault Rate

Total

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Cumulative Summary For Prior Modifications

Total (All Loans)

Modification Type*

Loan Count

Weighted

Average

Seasoning

Principal $

Amount

Forgiven

Capitalized $

Amount

% of Orig Sched

Balance

% of Current

Balance

----------- Performance From Time of Modification

(1)

- - - - - - - - - - -

No Modified Loans Reported

(1)

Each time frame is independent from one another

* For loans with combination modification

Page 51 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Cumulative Summary For Prior Modifications

To Date

6-Month Average

12-Month Average

Redefault Rate

Total

Group 1

Modification Type*

Loan Count

Weighted

Average

Seasoning

Principal $

Amount

Forgiven

Capitalized $

Amount

% of Orig Sched

Balance

% of Current

Balance

----------- Performance From Time of Modification

(1)

- - - - - - - - - - -

No Modified Loans Reported

(1)

Each time frame is independent from one another

* For loans with combination modification

Page 52 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Cumulative Summary For Prior Modifications

To Date

6-Month Average

12-Month Average

Redefault Rate

Total

Group 2

----------- Performance From Time of Modification

(1)

- - - - - - - - - - -

Modification Type*

Loan Count

Weighted

Average

Seasoning

Principal $

Amount

Forgiven

Capitalized $

Amount

% of Orig Sched

Balance

% of Current

Balance

No Modified Loans Reported

(1)

Each time frame is independent from one another

* For loans with combination modification

Page 53 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Cumulative Summary For Prior Modifications

To Date

6-Month Average

12-Month Average

Redefault Rate

Total

Capitalized $

Amount

% of Orig Sched

Balance

% of Current

Balance

----------- Performance From Time of Modification

(1)

- - - - - - - - - - -

No Modified Loans Reported

(1)

Each time frame is independent from one another

* For loans with combination modification

Group 3

Modification Type*

Loan Count

Weighted

Average

Seasoning

Principal $

Amount

Forgiven

Page 54 of 71

19-Sep-2008 09:54

Type

Count

Count (%)

Balance

Balance (%)

Total:

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Prior Modification Loan Status Detail

Total (All Loans)

No Loan Modification Reported.

Group 1

No Loan Modification Reported.

Page 55 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Prior Modification Loan Status Detail

Type

Count

Count (%)

Balance

Balance (%)

Total:

Group 2

No Loan Modification Reported.

Group 3

No Loan Modification Reported.

Page 56 of 71

19-Sep-2008 09:54

6406231693

1-Sep-08

603,000.00

7.50%

3,768.75

Total

603,000.00

3,768.75

% of current Pool Balance

0.09 %

0.00 %

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Current Period Repurchased Loan Detail

Total (All Loans)

Disclosure Control #

State

Repurchase Date

Original Balance

Beginning Scheduled

Balance

Current Rate

Current Payment

Repurchase Code

B - Breach D - Delinquency E - EPD (Early Payment Default) R - REO

Page 57 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Current Period Repurchased Loan Detail

Total

0.00

% of current Pool Balance

0.00 %

Group 1

Disclosure Control #

State

Repurchase Date

Original Balance

Beginning Scheduled

Balance

Current Rate

Current Payment

Repurchase Code

No Repurchased Loan Detail Reported for the Current Period

B - Breach D - Delinquency E - EPD (Early Payment Default) R - REO

Page 58 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Current Period Repurchased Loan Detail

6406231693

1-Sep-08

603,000.00

7.50%

3,768.75

Total

603,000.00

3,768.75

% of current Pool Balance

0.09 %

0.00 %

Group 2

Repurchase Code

Disclosure Control #

State

Repurchase Date

Original Balance

Beginning Scheduled

Balance

Current Rate

Current Payment

B - Breach D - Delinquency E - EPD (Early Payment Default) R - REO

Page 59 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Current Period Repurchased Loan Detail

Total

0.00

% of current Pool Balance

0.00 %

Beginning Scheduled

Balance

Current Rate

Current Payment

Repurchase Code

No Repurchased Loan Detail Reported for the Current Period

B - Breach D - Delinquency E - EPD (Early Payment Default) R - REO

Group 3

Disclosure Control #

State

Repurchase Date

Original Balance

Page 60 of 71

19-Sep-2008 09:54

Total

0.00

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Historical Collateral Level REO Report

Total (All Loans)

Disclosure Control # REO Date

City

State

Property Type

Actual Balance

Scheduled Balance

Recent Appraisal

Value

Appraisal

Date

Liquidated

Realized Loss

No Historical REO Reported

Page 61 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Historical Collateral Level REO Report

Total

0.00

Date

Liquidated

Realized Loss

No Historical REO Reported

Group 1

Disclosure Control # REO Date

City

State

Property Type

Actual Balance

Scheduled Balance

Recent Appraisal

Value

Appraisal

Date

Page 62 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Historical Collateral Level REO Report

Total

0.00

Date

Liquidated

Realized Loss

No Historical REO Reported

Group 2

Disclosure Control # REO Date

City

State

Property Type

Actual Balance

Scheduled Balance

Recent Appraisal

Value

Appraisal

Date

Page 63 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Historical Collateral Level REO Report

Total

0.00

Date

Liquidated

Realized Loss

No Historical REO Reported

Group 3

Disclosure Control # REO Date

City

State

Property Type

Actual Balance

Scheduled Balance

Recent Appraisal

Value

Appraisal

Date

Page 64 of 71

19-Sep-2008 09:54

6126000402

Foreclosure

260

Lorton

SF Unattached Dwelling

580,000.00

3,081.25

0.00

3,081.25

6272120830

Foreclosure

229

Paramount

SF Unattached Dwelling

456,000.00

2,517.50

0.00

2,517.50

6677116623

Foreclosure

260

Cardiff

SF Unattached Dwelling

466,000.00

2,815.42

0.00

2,815.42

6683546995

Foreclosure

229

Springfield

SF Unattached Dwelling

864,000.00

4,770.00

0.00

4,770.00

Total

1,046,000.00

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Delinquent Interest Detail

Total (All Loans)

Disclosure

Control #

Loan Status

Days Delinquent

City

State

Property Type

Actual Balance

Scheduled

Balance

Outstanding

Interest

Advances

Outstanding

Principal

Advances

Total Outstanding

Advances

Page 65 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Delinquent Interest Detail

6126000402

Foreclosure

260

Lorton

SF Unattached Dwelling

580,000.00

3,081.25

0.00

3,081.25

6272120830

Foreclosure

229

Paramount

SF Unattached Dwelling

456,000.00

2,517.50

0.00

2,517.50

6677116623

Foreclosure

260

Cardiff

SF Unattached Dwelling

466,000.00

2,815.42

0.00

2,815.42

6683546995

Foreclosure

229

Springfield

SF Unattached Dwelling

864,000.00

4,770.00

0.00

4,770.00

Total

1,046,000.00

Outstanding

Principal

Advances

Total Outstanding

Advances

Group 1

Disclosure

Control #

Loan Status

Days Delinquent

City

State

Property Type

Actual Balance

Scheduled

Balance

Outstanding

Interest

Advances

Page 66 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Delinquent Interest Detail

Total

0.00

Outstanding

Principal

Advances

Total Outstanding

Advances

No REO/FC Loans Reported

Group 2

Disclosure

Control #

Loan Status

Days Delinquent

City

State

Property Type

Actual Balance

Scheduled

Balance

Outstanding

Interest

Advances

Page 67 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Distribution Date: 22-Sep-08

Delinquent Interest Detail

Total

0.00

Outstanding

Principal

Advances

Total Outstanding

Advances

No REO/FC Loans Reported

Group 3

Disclosure

Control #

Loan Status

Days Delinquent

City

State

Property Type

Actual Balance

Scheduled

Balance

Outstanding

Interest

Advances

Page 68 of 71

19-Sep-2008 09:54

Substitution Code

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Beginning Principal

Balance

Adjusted for Principal

Distribution Date: 22-Sep-08

Substitution Detail History

No Substituted Loans Reported

- - - Loans Substituted Into Pool - - -

- - - - - - - - - - Loans Substituted Out of Pool - - - - - - - - - -

Investor #

Period

Beginning Principal Balance

Investor #

Period

Page 69 of 71

19-Sep-2008 09:54

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

Adjusted for Principal

Difference Into vs.

Out

Distribution Date: 22-Sep-08

Substitution Detail History Summary

No History of Substituted Loans Reported

- - - Loans Substituted Into Pool - - -

- - - Loans Substituted Out of Pool - - -

Period

Count

Beginning Principal Balance

Count

Beginning Principal Balance

Page 70 of 71

19-Sep-2008 09:54

Description

Amount

Banc of America Mortgage Securities, Inc.

Mortgage Pass-Through Certificates,

Series 2008-A

No Expenses / Indemnification Amounts for the Current Period

Distribution Date: 22-Sep-08

Expense and Indemnification Detail

Page 71 of 71

19-Sep-2008 09:54

Banc of America Mortgage 2008-A Trust 10-D