Content:

Pages

Contact Information:

6/1/2007 0:00

Statement to Certificate Holders

Analyst:

Brian Scheff

714.259.6278

Statement to Certificate Holders (Factors)

brian.scheff@abnamro.com

Pool/Non-Pool Funds Cash Reconciliation

Administrator:

Mason Arion

312.992.2835

Cash Reconciliation Summary

5-6

mason.arion@abnamro.com

Pool Detail and Performance Indicators

7-9

LaSalle Website:

www.etrustee.net

Bond Interest Reconciliation Part I

6/1/2007 0:00

Bond Interest Reconciliation Part II

Bond Principal Reconciliation

Outside Parties To The Transaction

Rating Information

4/30/2007

End of Month Balance Reporting

15 Month Loan Status Summary Part I

15-25

15 Month Loan Status Summary Part II

26-36

15 Month Historical Payoff Summary

37-41

Prepayment Summary

Mortgage Loan Characteristics Part I

Mortgage Loan Characteristics Part II

44-46

4/30/2007

Geographic Concentration

Current Period Realized Loss Detail

Historical Realized Loss Summary

49-51

6/1/2007 0:00

Realized Loss Summary

Material Breaches Detail

Modified Loan Detail

Historical Collateral Level REO Report

55-57

5/25/2037 0:00

5/15/2007 0:00

Delinq Method:

OTS

Determination

Date:

15-May-07

First Pay. Date:

Master Servicer: EMC Mortgage Corporation

1-Jun-07

Rating Agency: Standard & Poor's/Moody's Investors Service, Inc./Fitch Ratings

Rated Final

Payment Date:

25-May-37

Depositor: Bear Stearns Asset Backed Securities, Inc.

Closing Date:

30-Apr-07

Underwriter: Bear Stearns Asset Backed Securities, Inc.

Record Date:

24-May-07

Distribution

Count:

Issuer: Bear Stearns & Co. Inc.

Prior Payment:

N/A

Next Payment:

25-Jun-07

ABN AMRO Acct : 724700.1

Payment Date:

1-Jun-07

Distribution Date: 01-Jun-07

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

01-Jun-2007 08:56

I-A-1

07386RAA7

235,071,000.00

5,640,550.73

0.00

229,430,449.27

888,046.00

0.00

5.4400000000%

I-A-2

07386RAB5

92,309,000.00

0.00

92,309,000.00

353,210.13

0.00

5.5100000000%

I-A-3

07386RAC3

63,813,000.00

0.00

63,813,000.00

247,275.38

0.00

5.5800000000%

I-A-4

07386RAD1

39,919,000.00

0.00

39,919,000.00

157,181.06

0.00

5.6700000000%

II-A

07386RAE9

210,625,000.00

757,923.03

0.00

209,867,076.97

810,321.18

0.00

5.5400000000%

M-1

07386RAF6

53,007,000.00

0.00

53,007,000.00

212,396.10

0.00

5.7700000000%

M-2

07386RAG4

41,711,000.00

0.00

41,711,000.00

168,292.30

0.00

5.8100000000%

M-3

07386RAH2

13,469,000.00

0.00

13,469,000.00

55,840.23

0.00

5.9700000000%

M-4

07386RAJ8

13,469,000.00

0.00

13,469,000.00

60,049.29

0.00

6.4200000000%

M-5

07386RAK5

14,338,000.00

0.00

14,338,000.00

67,906.36

0.00

6.8200000000%

M-6

07386RAL3

6,517,000.00

0.00

6,517,000.00

33,128.08

0.00

7.3200000000%

M-7

07386RAM1

13,035,000.00

0.00

13,035,000.00

68,524.27

0.00

7.5700000000%

M-8

07386RAN9

9,993,000.00

0.00

9,993,000.00

52,532.65

0.00

7.5700000000%

M-9

07386RAP4

14,338,000.00

0.00

14,338,000.00

75,374.07

0.00

7.5700000000%

07386RAV1

868,973,311.13 N

868,973,311.13

0.00

862,574,571.70

2,615,500.91

162,594.70

N/A

07386RAU3

100.00

0.00

100.00

31,010.65

N/A

R-1

07386RAQ2

0.00

N/A

R-2

07386RAR0

0.00

N/A

R-3

07386RAS8

0.00

N/A

07386RAT6

0.00

N/A

Total

821,614,100.00

6,398,473.76

0.00

815,215,626.24

5,896,588.66

193,605.35

Total P&I Payment

12,295,062.42

(1)

N denotes notional balance not included in total

(2)

Accrued Interest plus/minus Interest Adjustment minus Deferred Interest equals Interest Payment

Principal Payment

Principal

Adjustment or

Loss

Deferred

Interest

Ending Certificate

Balance

Class

CUSIP

Original Face

Value

(1)

Beginning

Certificate

Balance

Distribution Date: 01-Jun-07

BOND PAYMENT

Interest Payment

(2)

Interest

Adjustment

Pass-Through

Rate

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Page 2 of 57

01-Jun-2007 08:55

I-A-1

07386RAA7

235,071,000.00

1000.000000000

23.995093950

0.000000000

976.004906064

3.777777778

0.000000000

5.44000000%

I-A-2

07386RAB5

92,309,000.00

1000.000000000

0.000000000

1000.000000000

3.826388868

0.000000000

5.51000000%

I-A-3

07386RAC3

63,813,000.00

1000.000000000

0.000000000

1000.000000000

3.875000078

0.000000000

5.58000000%

I-A-4

07386RAD1

39,919,000.00

1000.000000000

0.000000000

1000.000000000

3.937499937

0.000000000

5.67000000%

II-A

07386RAE9

210,625,000.00

1000.000000000

3.598447620

0.000000000

996.401552380

3.847222220

0.000000000

5.54000000%

M-1

07386RAF6

53,007,000.00

1000.000000000

0.000000000

1000.000000000

4.006944366

0.000000000

5.77000000%

M-2

07386RAG4

41,711,000.00

1000.000000000

0.000000000

1000.000000000

4.034722256

0.000000000

5.81000000%

M-3

07386RAH2

13,469,000.00

1000.000000000

0.000000000

1000.000000000

4.145833395

0.000000000

5.97000000%

M-4

07386RAJ8

13,469,000.00

1000.000000000

0.000000000

1000.000000000

4.458333210

0.000000000

6.42000000%

M-5

07386RAK5

14,338,000.00

1000.000000000

0.000000000

1000.000000000

4.736111034

0.000000000

6.82000000%

M-6

07386RAL3

6,517,000.00

1000.000000000

0.000000000

1000.000000000

5.083332822

0.000000000

7.32000000%

M-7

07386RAM1

13,035,000.00

1000.000000000

0.000000000

1000.000000000

5.256944381

0.000000000

7.57000000%

M-8

07386RAN9

9,993,000.00

1000.000000000

0.000000000

1000.000000000

5.256944861

0.000000000

7.57000000%

M-9

07386RAP4

14,338,000.00

1000.000000000

0.000000000

1000.000000000

5.256944483

0.000000000

7.57000000%

07386RAV1

868,973,311.13 N

1000.000000000

0.000000000

992.636437336

3.009874845

0.187111270

N/A

07386RAU3

100.00

1000.000000000

0.000000000

1000.000000000

310106.500000000

N/A

R-1

07386RAQ2

0.00

0.000000000

N/A

R-2

07386RAR0

0.00

0.000000000

N/A

R-3

07386RAS8

0.00

0.000000000

N/A

07386RAT6

0.00

0.000000000

N/A

* Per $1,000 of Original Face Value ** Estimated

BOND PAYMENT

Class

CUSIP

Original Face Value

Beginning Certificate

Balance *

Principal Payment

Principal

Adjustment or

Loss

Deferred Interest *

Ending Certificate

Balance *

Interest Payment *

Distribution Date: 01-Jun-07

Statement to Certificate Holders (FACTORS)

Interest Adjustment*

Next Rate **

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Page 3 of 57

01-Jun-2007 08:55

Interest Summary

Principal Summary

Reserve Fund

Interest Summary

Principal Summary

Deposit to Trust

5,000.00

Scheduled Interest

6,065,055.60

Scheduled Prin Distribution

332,212.89

Withdrawal from Trust

0.00

Fees

362,072.29

Curtailments

45,738.92

Reimbursement from Waterfall

0.00

Remittance Interest

5,702,983.31

Prepayments in Full

6,020,787.62

Ending Balance

5,000.00

Other Interest Proceeds/Shortfalls

Liquidation Proceeds

0.00

Prepayment Penalties

31,010.65

Repurchase Proceeds

0.00

Swap Agreement

Other Interest Loss

0.00

Other Principal Proceeds

0.00

Other Interest Proceeds

0.00

Remittance Principal

6,398,739.43

Net Swap payment payable to the Swap

Non-advancing Interest

0.00

Administrator

162,329.04

Net PPIS/Relief Act Shortfall

0.00

Net Swap payment payable to the Swap Provider

0.00

Modification Shortfall

0.00

Other Interest Proceeds/Shortfalls

31,010.65

Swap Termination payment payable to the Swap

Interest Adjusted

5,733,993.96

Administrator

0.00

Fee Summary

Swap Termination payment payable to the Swap

0.00

Total Servicing Fees

362,072.29

Provider

Total Trustee Fees

0.00

LPMI Fees

0.00

Credit Manager's Fees

0.00

Misc. Fees / Trust Expense

0.00

Insurance Premium

0.00

Total Fees

362,072.29

Advances (Principal & Interest)

Prior Month's Outstanding Advances

N/A

Current Advances

N/A

Reimbursement of Prior Advances

N/A

Outstanding Advances

5,080,030.29

P&I Due Certificate Holders

12,295,062.43

Pool Source of Funds

Non-Pool Source of Funds

P&I Advances as of the end of the Due Period do not reflect the amount of advances remitted by the Servicer on the Servicer Remittance Date due to additional proceeds received between the end of the Due Period and the Servicer Remittance Date and netted from the P&I Advances
stated as of the end of the Due Period.

Distribution Date: 01-Jun-07

Cash Reconciliation Summary

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Page 4 of 57

01-Jun-2007 08:55

Fixed 1st Lien

Fixed 2nd Lien

ARM 228 1st Lien

ARM 327 1st Lien

Total

Interest Summary

Scheduled Interest

766,142.82

157,051.94

2,576,466.95

573,791.04

4,073,452.75

Fees

49,214.46

6,559.58

150,802.23

36,660.07

243,236.34

Remittance Interest

716,928.36

150,492.36

2,425,664.72

537,130.97

3,830,216.41

Other Interest Proceeds/Shortfalls

Prepayment Penalties

0.00

26,394.66

0.00

26,394.66

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

26,394.66

0.00

26,394.66

Interest Adjusted

716,928.36

150,492.36

2,452,059.38

537,130.97

3,856,611.07

Principal Summary

Scheduled Principal Distribution

65,156.70

5,190.13

113,708.62

27,838.07

211,893.52

Curtailments

7,018.24

1,116.44

12,950.40

1,603.91

22,688.99

Prepayments in Full

579,812.43

0.00

4,047,100.38

779,289.61

5,406,202.42

Liquidation Proceeds

0.00

Repurchase Proceeds

0.00

Other Principal Proceeds

0.00

Less Mod Losses

0.00

Remittance Principal

651,987.37

6,306.57

4,173,759.40

808,731.59

5,640,784.93

Fee Summary

Total Servicing Fees

49,214.46

6,559.58

150,802.23

36,660.07

243,236.34

Total Trustee Fees

0.00

LPMI Fees

0.00

Misc. Fees

0.00

Total Fees

49,214.46

6,559.58

150,802.23

36,660.07

243,236.34

Beginning Principal Balance

118,114,568.79

15,742,984.32

361,925,206.37

87,983,951.62

583,766,711.10

Ending Principal Balance

117,462,581.42

15,736,677.75

357,751,446.97

87,175,220.03

578,125,926.17

Advances (Principal & Interest)

Prior Month's Outstanding Advances

N/A

Current Advances

N/A

Reimbursement of Prior Advances

N/A

Outstanding Advances

629,106.41

136,909.65

2,159,251.14

496,758.70

3,422,025.90

Distribution Date: 01-Jun-07

Cash Reconciliation Summary Group I Loans

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Page 5 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Fixed 1st Lien

Fixed 2nd Lien

ARM 228 1st Lien

ARM 327 1st Lien

Total

Interest Summary

Scheduled Interest

487,960.66

67,878.32

1,292,869.00

142,894.87

1,991,602.85

Fees

31,071.45

2,953.96

76,194.98

8,615.56

118,835.95

Remittance Interest

456,889.21

64,924.36

1,216,674.02

134,279.31

1,872,766.90

Other Interest Proceeds/Shortfalls

Prepayment Penalties

4,615.99

0.00

4,615.99

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

4,615.99

0.00

4,615.99

Interest Adjusted

461,505.20

64,924.36

1,216,674.02

134,279.31

1,877,382.89

Principal Summary

Scheduled Principal Distribution

43,131.55

2,970.44

66,086.03

8,131.35

120,319.37

Curtailments

7,481.01

1,129.66

5,913.60

8,525.66

23,049.93

Prepayments in Full

198,033.79

0.00

416,551.41

0.00

614,585.20

Liquidation Proceeds

0.00

Repurchase Proceeds

0.00

Other Principal Proceeds

0.00

Less Mod Losses

0.00

Remittance Principal

248,646.35

4,100.10

488,551.04

16,657.01

757,954.50

Fee Summary

Total Servicing Fees

31,071.45

2,953.96

76,194.98

8,615.56

118,835.95

Total Trustee Fees

0.00

LPMI Fees

0.00

Misc. Fees

0.00

Total Fees

31,071.45

2,953.96

76,194.98

8,615.56

118,835.95

Beginning Principal Balance

74,571,450.29

7,089,539.66

182,868,184.19

20,677,425.89

285,206,600.03

Ending Principal Balance

74,322,803.94

7,085,439.56

182,379,633.15

20,660,768.88

284,448,645.53

Advances (Principal & Interest)

Prior Month's Outstanding Advances

N/A

Current Advances

N/A

Reimbursement of Prior Advances

N/A

Outstanding Advances

376,291.88

57,216.74

1,099,652.94

124,842.83

1,658,004.39

Cash Reconciliation Summary Group II Loans

Page 6 of 57

01-Jun-2007 08:55

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

868,973,311.13

4,193

3 mo. Rolling Average

564,399

868,973,311

0.06%

WAC - Remit Current

7.74%

7.92%

7.88%

Cum Scheduled Principal

332,212.89

6 mo. Rolling Average

564,399

868,973,311

0.06%

WAC - Remit Original

7.74%

7.92%

7.88%

Cum Unscheduled Principal

6,066,526.54

12 mo. Rolling Average

564,399

868,973,311

0.06%

WAC - Current

8.24%

8.42%

8.38%

Cum Liquidations

0.00

Loss Levels

Amount

Count

WAC - Original

8.24%

8.42%

8.38%

Cum Repurchases

0.00

3 mo. Cum Loss

0.00

WAL - Current

343.01

356.88

353.43

6 mo. Cum loss

0.00

WAL - Original

343.01

356.88

353.43

Current

Amount

Count

12 mo. Cum Loss

0.00

Beginning Pool

868,973,311.13

4,193

100.00%

Current Index Rate

Scheduled Principal

332,212.89

0.04%

Triggers

Next Index Rate

Unscheduled Principal

6,066,526.54

0.70%

Liquidations

0.00

0.00%

> Delinquency Trigger Event

(2)

Repurchases

0.00

0.00%

Delinquency Event Calc

(1)

564,398.51

868,973,311

0.06%

Ending Pool

862,574,571.70

4,170

99.26%

> Loss Trigger Event?

(3)

Average Loan Balance

206,852.42

Cumulative Loss

0.00%

Current Loss Detail

Amount

> Overall Trigger Event?

Liquidation

0.00

Pool Composition

Realized Loss

0.00

Step Down Date

Realized Loss Adjustment

0.00

Distribution Count

Properties

%/Score

Net Liquidation

0.00

Current Specified Enhancement %

(4)

26.34%

Cut-off LTV

80.99%

Step Down %

(5)

52.30%

Cash Out/Refinance

80.64%

Credit Enhancement

Amount

% of Current Specified Enhancement %

(6)

30.50%

SFR

83.93%

Original OC

47,359,311.13

5.45%

> Step Down Date?

Target OC

47,359,045.46

5.45%

Min

Max

W A

Beginning OC

47,359,311.13

Extra Principal

0.00

FICO

500

817

611.74

OC Amount per PSA

47,359,311.13

5.45%

Cumulative Extra Principal

0.00

Ending OC

47,359,045.46

OC Release

265.67

Mezz Certificates

179,877,000.00 20.70%

Legend: (1) 60 Days+, REO, BK, F/C % (3) Condn: Cum Loss > specified thresholds (5) Defined Benchmark (7) Condn: Distn Cnt > 36, (4) > (5)
(2) (1) > (6) * (4), then TRUE (4) Mezzanine Certs + OC Amount / Ending Pool Bal (6) Defined Benchmark (Used in Delinq Event Calc)
Note: Delinquency and Loss Event Triggers may be flagged as "Yes" prior to the Step Down Date on account of the percentage thresholds being breached.

Owner Occupied

823,749,065.99

94.80%

Balance

703,822,984.38

700,774,914.75

729,347,145.82

Misc/Additional Information

Pool Level Information

5.320000%

Distribution Date: 01-Jun-07

Pool Detail and Performance Indicators Total (All Loans)

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Page 7 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

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

583,766,711.10

2,624

3 mo. Rolling Average

107,575

583,766,711

0.02%

WAC - Remit Current

7.78%

7.90%

7.87%

Cum Scheduled Principal

211,893.52

6 mo. Rolling Average

107,575

583,766,711

0.02%

WAC - Remit Original

7.78%

7.90%

7.87%

Cum Unscheduled Principal

5,428,891.41

12 mo. Rolling Average

107,575

583,766,711

0.02%

WAC - Current

8.28%

8.40%

8.37%

Cum Liquidations

0.00

Loss Levels

Amount

Count

WAC - Original

8.28%

8.40%

8.37%

Cum Repurchases

0.00

3 mo. Cum Loss

0.00

WAL - Current

341.85

356.81

353.36

6 mo. Cum loss

0.00

WAL - Original

341.85

356.81

353.36

Current

Amount

Count

12 mo. Cum Loss

0.00

Beginning Pool

583,766,711.10

2,624

100.00%

Current Index Rate

Scheduled Principal

211,893.52

0.04%

Next Index Rate

Unscheduled Principal

5,428,891.41

0.93%

Liquidations

0.00

0.00%

Repurchases

0.00

0.00%

Ending Pool

578,125,926.17

2,605

99.03%

Average Loan Balance

221,929.34

Current Loss Detail

Amount

Liquidation

0.00

Pool Composition

Realized Loss

0.00

Realized Loss Adjustment

0.00

Properties

%/Score

Net Liquidation

0.00

Cut-off LTV

81.91%

Cash Out/Refinance

74.87%

SFR

83.81%

Min

Max

W A

FICO

500

817

614.02

95.98%

437,048,496.17

489,233,567.09

Owner Occupied

560,291,418.29

N/A

Balance

478,163,107.55

Pool Detail and Performance Indicators Group I Loans

Misc/Additional Information

Pool Level Information

Page 8 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

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

285,206,600.03

1,569

3 mo. Rolling Average

456,824

285,206,600

0.16%

WAC - Remit Current

7.67%

7.96%

7.88%

Cum Scheduled Principal

120,319.37

6 mo. Rolling Average

456,824

285,206,600

0.16%

WAC - Remit Original

7.67%

7.96%

7.88%

Cum Unscheduled Principal

637,635.13

12 mo. Rolling Average

456,824

285,206,600

0.16%

WAC - Current

8.17%

8.46%

8.38%

Cum Liquidations

0.00

Loss Levels

Amount

Count

WAC - Original

8.17%

8.46%

8.38%

Cum Repurchases

0.00

3 mo. Cum Loss

0.00

WAL - Current

344.92

357.02

353.56

6 mo. Cum loss

0.00

WAL - Original

344.92

357.02

353.56

Current

Amount

Count

12 mo. Cum Loss

0.00

Beginning Pool

285,206,600.03

1,569

100.00%

Current Index Rate

Scheduled Principal

120,319.37

0.04%

Next Index Rate

Unscheduled Principal

637,635.13

0.22%

Liquidations

0.00

0.00%

Repurchases

0.00

0.00%

Ending Pool

284,448,645.53

1,565

99.73%

Average Loan Balance

181,756.32

Current Loss Detail

Amount

Liquidation

0.00

Pool Composition

Realized Loss

0.00

Realized Loss Adjustment

0.00

Properties

%/Score

Net Liquidation

0.00

Cut-off LTV

79.12%

Cash Out/Refinance

92.47%

SFR

84.19%

Min

Max

W A

FICO

500

811

607.09

Owner Occupied

263,457,647.70

92.37%

Balance

225,659,876.84

263,726,418.58

240,113,578.73

Misc/Additional Information

Pool Level Information

N/A

Pool Detail and Performance Indicators Group II Loans

Page 9 of 57

01-Jun-2007 08:55

I-A-1

Act/360

235,071,000.00

5.440000000%

888,046.00

0.00

888,046.00

0.00

I-A-2

Act/360

92,309,000.00

5.510000000%

353,210.13

0.00

353,210.13

0.00

I-A-3

Act/360

63,813,000.00

5.580000000%

247,275.38

0.00

247,275.38

0.00

I-A-4

Act/360

39,919,000.00

5.670000000%

157,181.06

0.00

157,181.06

0.00

II-A

Act/360

210,625,000.00

5.540000000%

810,321.18

0.00

810,321.18

0.00

M-1

Act/360

53,007,000.00

5.770000000%

212,396.10

0.00

212,396.10

0.00

M-2

Act/360

41,711,000.00

5.810000000%

168,292.30

0.00

168,292.30

0.00

M-3

Act/360

13,469,000.00

5.970000000%

55,840.23

0.00

55,840.23

0.00

M-4

Act/360

13,469,000.00

6.420000000%

60,049.29

0.00

60,049.29

0.00

M-5

Act/360

14,338,000.00

6.820000000%

67,906.36

0.00

67,906.36

0.00

M-6

Act/360

6,517,000.00

7.320000000%

33,128.08

0.00

33,128.08

0.00

M-7

Act/360

13,035,000.00

7.570000000%

68,524.27

0.00

68,524.27

0.00

M-8

Act/360

9,993,000.00

7.570000000%

52,532.65

0.00

52,532.65

0.00

M-9

Act/360

14,338,000.00

7.570000000%

75,374.07

0.00

75,374.07

0.00

868,973,311.13

N/A

2,452,906.21

162,594.70

0.00

2,615,500.91

0.00

100.00

N/A

0.00

31,010.65

0.00

31,010.65

0.00

R-1

0.00

N/A

0.00

N/A

R-2

0.00

N/A

0.00

N/A

R-3

0.00

N/A

0.00

N/A

0.00

N/A

0.00

N/A

Total

821,614,100.00

5,702,983.31

193,605.35

0.00

5,896,588.66

0.00

Remaining

Basis Risk
Carry-Fwd

Shortfall

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.

Distributable

Certificate

Interest

Interest Payment

Amount

Current Period

(Shortfall) /

Recovery

Remaining Int

Carry-Forward

Shortfall

- - A c c r u a l - -

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

Class

Method

Days

Opening Balance

Pass-Thru Rate

Accrual

Certificate

Interest

Total Interest

Additions

Total Interest

Deductions

Distribution Date: 01-Jun-07

Bond Interest Reconciliation - Part I

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Page 10 of 57

01-Jun-2007 08:55

I-A-1

24-May-07

30-Apr-07

25-May-07

0.00

I-A-2

24-May-07

30-Apr-07

25-May-07

0.00

I-A-3

24-May-07

30-Apr-07

25-May-07

0.00

I-A-4

24-May-07

30-Apr-07

25-May-07

0.00

II-A

24-May-07

30-Apr-07

25-May-07

0.00

M-1

24-May-07

30-Apr-07

25-May-07

0.00

M-2

24-May-07

30-Apr-07

25-May-07

0.00

M-3

24-May-07

30-Apr-07

25-May-07

0.00

M-4

24-May-07

30-Apr-07

25-May-07

0.00

M-5

24-May-07

30-Apr-07

25-May-07

0.00

M-6

24-May-07

30-Apr-07

25-May-07

0.00

M-7

24-May-07

30-Apr-07

25-May-07

0.00

M-8

24-May-07

30-Apr-07

25-May-07

0.00

M-9

24-May-07

30-Apr-07

25-May-07

0.00

30-Apr-07

1-Apr-07

1-May-07

0.00

162,594.70

0.00

30-Apr-07

1-Apr-07

1-May-07

0.00

31,010.65

0.00

R-1

30-Apr-07

1-Apr-07

1-May-07

0.00

R-2

30-Apr-07

1-Apr-07

1-May-07

0.00

R-3

30-Apr-07

1-Apr-07

1-May-07

0.00

30-Apr-07

1-Apr-07

1-May-07

0.00

Total

0.00

31,010.65

0.00

162,594.70

0.00

Current Basis Risk

Carry-Fwd

Shortfall

(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 with interest thereon.

(3)

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

Prior Shortfall

Reimbursement

Other Interest

Proceeds

(1)

Other Interest

Losses

Current Int Carry-

Fwd Shortfall

(2)

- - - - - - - - - - - - - - - - - - - - - - - - - - - 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

Interest Rate

SWAP Agreement

Deposits from YM

Agreement

Prepayment

Premiums

Prior Int Carry-Fwd

Shortfall

Distribution Date: 01-Jun-07

Bond Interest Reconciliation - Part II

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Page 11 of 57

01-Jun-2007 08:55

I-A-1

235,071,000.00

211,893.52

5,428,657.21

0.00

229,430,449.27

25-May-37

N/A

I-A-2

92,309,000.00

0.00

92,309,000.00

25-May-35

N/A

I-A-3

63,813,000.00

0.00

63,813,000.00

25-Feb-37

N/A

I-A-4

39,919,000.00

0.00

39,919,000.00

25-May-37

N/A

II-A

210,625,000.00

120,319.37

637,603.66

0.00

209,867,076.97

25-May-37

N/A

M-1

53,007,000.00

0.00

53,007,000.00

25-May-37

N/A

M-2

41,711,000.00

0.00

41,711,000.00

25-May-37

N/A

M-3

13,469,000.00

0.00

13,469,000.00

25-May-37

N/A

M-4

13,469,000.00

0.00

13,469,000.00

25-May-37

N/A

M-5

14,338,000.00

0.00

14,338,000.00

25-May-37

N/A

M-6

6,517,000.00

0.00

6,517,000.00

25-May-37

N/A

M-7

13,035,000.00

0.00

13,035,000.00

25-May-37

N/A

M-8

9,993,000.00

0.00

9,993,000.00

25-May-37

N/A

M-9

14,338,000.00

0.00

14,338,000.00

25-May-37

N/A

868,973,311.13

0.00

862,574,571.70

25-May-37

N/A

100.00

0.00

100.00

25-May-37

N/A

R-1

0.00

25-May-37

N/A

R-2

0.00

25-May-37

N/A

R-3

0.00

25-May-37

N/A

0.00

25-May-37

N/A

Total

821,614,100.00

332,212.89

6,066,260.87

0.00

815,215,626.24

Rated

Final

Maturity

Original

Current

Losses

Cumulative

Losses

Interest on

Losses

Ending

Class Balance

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

- Credit Support -

Class

Original Class

Balance

Beginning Class

Balance

Scheduled Principal

Payment

Unscheduled

Principal

Payment

Extra

Principal

Payment

Prior

Loss

Reimburs.

Distribution Date: 01-Jun-07

Bond Principal Reconciliation

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Page 12 of 57

01-Jun-2007 08:55

Class

CUSIP

Fitch

Moody's

DBRS

S&P

I-A-1

07386RAA7

Aaa

AAA

I-A-2

07386RAB5

Aaa

AAA

I-A-3

07386RAC3

Aaa

AAA

I-A-4

07386RAD1

Aaa

AAA

II-A

07386RAE9

Aaa

AAA

M-1

07386RAF6

Aa1

AA+

M-2

07386RAG4

Aa2

M-3

07386RAH2

Aa3

AA-

M-4

07386RAJ8

A+

M-5

07386RAK5

M-6

07386RAL3

M-7

07386RAM1

BBB+

M-8

07386RAN9

Baa1

BBB

M-9

07386RAP4

Baa2

BBB-

07386RAV1

07386RAU3

NR - Designates that the class was not rated by the rating agency.

(1)

Changed ratings provided on this report are based on information provided by the applicable rating agency via electronic transmission. It shall be understood that this transmission will generally have been provided to LaSalle within 30 days of the payment

date listed on this statement. Because ratings may have changed during the 30 day window, or may not be being provided by the rating agency in an electronic format and therefore not being updated on this report, LaSalle recommends that investors obtain current rating
information directly from the rating agency.

- - - - - - - - - - - - O r i g i n a l R a t i n g s - - - - - - - - - -

- - - - - - - - - - - - - - - - R a t i n g s C h a n g e / C h a n g e D a t e

(1)

- - - - - - - - - - - - - - - -

Fitch

Moody's

DBRS

S&P

Distribution Date: 01-Jun-07

Ratings Information

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Page 13 of 57

01-Jun-2007 08:55

Type

Count

Count (%)

Balance

Balance (%)

Arrears

Arrears (%)

REO Book Value

4090

97.5435%

848,261,960.23

97.9660%

0.00

0.0000%

0.00

2.0272%

17,047,764.76

1.9689%

0.00

0.0000%

0.00

BKY0

0.0715%

454,276.83

0.0525%

0.00

0.0000%

0.00

BKY30

0.0238%

110,121.68

0.0127%

0.00

0.0000%

0.00

PIF

0.3339%

0.00

0.0000%

0.00

0.0000%

0.00

Total (Prior Month End):

4193

100.0000%

865,874,123.00

100.0000%

0.00

0.0000%

0.00

Delinq Total (Prior Month End):

2.0510%

17,157,886.00

1.9816%

0.00

0.0000%

0.00

F/C Quick Sale

Value

Total

Distribution Date: 01-Jun-07

End of Month Balance Reporting

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Page 14 of 57

01-Jun-2007 08:55

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

1-Jun-07

4,082

845,041,787

16,968,386

564,399

1-Jun-07

97.89%

97.97%

2.01%

1.97%

0.00%

0.10%

0.07%

0.00%

Total (All Loans)

Delinquency Balances are Exclusive of REO, Foreclosures and Bankruptcies.

Delinq 3+ Months

Bankruptcy

Foreclosure

REO

Distribution

Date

Current

Delinq 1 Month

Delinq 2 Months

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Page 15 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

1-Jun-07

2,541

564,868,881

13,149,470

107,575

1-Jun-07

97.54%

97.71%

2.42%

2.27%

0.00%

0.04%

0.02%

0.00%

Group I Loans - Total

Delinquency Balances are Exclusive of REO, Foreclosures and Bankruptcies.

Delinq 3+ Months

Bankruptcy

Foreclosure

REO

Distribution

Date

Current

Delinq 1 Month

Delinq 2 Months

Page 16 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

1-Jun-07

572

115,762,481

1,700,101

1-Jun-07

98.45%

98.55%

1.55%

1.45%

0.00%

Group I Loans

Delinquency Balances are Exclusive of REO, Foreclosures and Bankruptcies.

Delinq 3+ Months

Bankruptcy

Foreclosure

REO

Distribution

Date

Current

Delinq 1 Month

Delinq 2 Months

Page 17 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

1-Jun-07

238

14,651,702

1,084,976

1-Jun-07

94.44%

93.11%

5.56%

6.89%

0.00%

Group I Loans

Delinquency Balances are Exclusive of REO, Foreclosures and Bankruptcies.

Delinq 3+ Months

Bankruptcy

Foreclosure

REO

Distribution

Date

Current

Delinq 1 Month

Delinq 2 Months

Page 18 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

1-Jun-07

1,369

349,314,304

8,329,568

107,575

1-Jun-07

97.58%

97.64%

2.35%

2.33%

0.00%

0.07%

0.03%

0.00%

Group I Loans

Delinquency Balances are Exclusive of REO, Foreclosures and Bankruptcies.

Delinq 3+ Months

Bankruptcy

Foreclosure

REO

Distribution

Date

Current

Delinq 1 Month

Delinq 2 Months

Page 19 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

1-Jun-07

362

85,140,395

2,034,825

1-Jun-07

98.10%

97.67%

1.90%

2.33%

0.00%

Group I Loans

Delinquency Balances are Exclusive of REO, Foreclosures and Bankruptcies.

Delinq 3+ Months

Bankruptcy

Foreclosure

REO

Distribution

Date

Current

Delinq 1 Month

Delinq 2 Months

Page 20 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

1-Jun-07

1,541

280,172,906

3,818,916

456,824

1-Jun-07

98.47%

98.50%

1.34%

0.00%

0.19%

0.16%

0.00%

Group II Loans - Total

Delinquency Balances are Exclusive of REO, Foreclosures and Bankruptcies.

Delinq 3+ Months

Bankruptcy

Foreclosure

REO

Distribution

Date

Current

Delinq 1 Month

Delinq 2 Months

Page 21 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

1-Jun-07

417

73,541,435

781,369

1-Jun-07

99.05%

98.95%

0.95%

1.05%

0.00%

Group II Loans

Delinquency Balances are Exclusive of REO, Foreclosures and Bankruptcies.

Delinq 3+ Months

Bankruptcy

Foreclosure

REO

Distribution

Date

Current

Delinq 1 Month

Delinq 2 Months

Page 22 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

1-Jun-07

132

6,867,340

218,100

1-Jun-07

97.06%

96.92%

2.94%

3.08%

0.00%

Group II Loans

Delinquency Balances are Exclusive of REO, Foreclosures and Bankruptcies.

Delinq 3+ Months

Bankruptcy

Foreclosure

REO

Distribution

Date

Current

Delinq 1 Month

Delinq 2 Months

Page 23 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

1-Jun-07

880

180,078,599

1,844,211

456,824

1-Jun-07

98.77%

98.74%

0.90%

1.01%

0.00%

0.34%

0.25%

0.00%

Group II Loans

Delinquency Balances are Exclusive of REO, Foreclosures and Bankruptcies.

Delinq 3+ Months

Bankruptcy

Foreclosure

REO

Distribution

Date

Current

Delinq 1 Month

Delinq 2 Months

Page 24 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

1-Jun-07

112

19,685,533

975,236

1-Jun-07

95.73%

95.28%

4.27%

4.72%

0.00%

Group II Loans

Delinquency Balances are Exclusive of REO, Foreclosures and Bankruptcies.

Delinq 3+ Months

Bankruptcy

Foreclosure

REO

Distribution

Date

Current

Delinq 1 Month

Delinq 2 Months

Page 25 of 57

01-Jun-2007 08:55

Balance

1-Jun-07

454,277

110,122

1-Jun-07

0.00%

0.07%

0.05%

0.02%

0.01%

0.00%

61-90 Days

90 + Days

Total (All Loans)

61-90 Days

90 + Days

Current

31-60 Days

- - - - - - - - - - - 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

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Page 26 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Balance

1-Jun-07

107,575

1-Jun-07

0.00%

0.04%

0.02%

0.00%

90 + Days

Group I Loans - Total

90 + Days

Current

31-60 Days

61-90 Days

90 + Days

Current

31-60 Days

61-90 Days

Distribution

Date

Current

31-60 Days

61-90 Days

- - - - - - - - - - - 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 - - - - - - - - - - - - -

Page 27 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Balance

1-Jun-07

0.00%

61-90 Days

90 + Days

Group I Loans

61-90 Days

90 + Days

Current

31-60 Days

- - - - - - - - - - - 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

Page 28 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Balance

1-Jun-07

0.00%

90 + Days

Group I Loans

90 + Days

Current

31-60 Days

61-90 Days

90 + Days

Current

31-60 Days

61-90 Days

Distribution

Date

Current

31-60 Days

61-90 Days

- - - - - - - - - - - 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 - - - - - - - - - - - - -

Page 29 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Balance

1-Jun-07

107,575

1-Jun-07

0.00%

0.07%

0.03%

0.00%

61-90 Days

90 + Days

Group I Loans

61-90 Days

90 + Days

Current

31-60 Days

- - - - - - - - - - - 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

Page 30 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Balance

1-Jun-07

0.00%

90 + Days

Group I Loans

90 + Days

Current

31-60 Days

61-90 Days

90 + Days

Current

31-60 Days

61-90 Days

Distribution

Date

Current

31-60 Days

61-90 Days

- - - - - - - - - - - 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 - - - - - - - - - - - - -

Page 31 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Balance

1-Jun-07

346,702

110,122

1-Jun-07

0.00%

0.13%

0.12%

0.06%

0.04%

0.00%

61-90 Days

90 + Days

Group II Loans - Total

61-90 Days

90 + Days

Current

31-60 Days

- - - - - - - - - - - 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

Page 32 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Balance

1-Jun-07

0.00%

90 + Days

Group II Loans

90 + Days

Current

31-60 Days

61-90 Days

90 + Days

Current

31-60 Days

61-90 Days

Distribution

Date

Current

31-60 Days

61-90 Days

- - - - - - - - - - - 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 - - - - - - - - - - - - -

Page 33 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Balance

1-Jun-07

0.00%

61-90 Days

90 + Days

Group II Loans

61-90 Days

90 + Days

Current

31-60 Days

- - - - - - - - - - - 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

Page 34 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Balance

1-Jun-07

346,702

110,122

1-Jun-07

0.00%

0.22%

0.19%

0.11%

0.06%

0.00%

90 + Days

Group II Loans

90 + Days

Current

31-60 Days

61-90 Days

90 + Days

Current

31-60 Days

61-90 Days

Distribution

Date

Current

31-60 Days

61-90 Days

- - - - - - - - - - - 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 - - - - - - - - - - - - -

Page 35 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Balance

1-Jun-07

0.00%

61-90 Days

90 + Days

Group II Loans

61-90 Days

90 + Days

Current

31-60 Days

- - - - - - - - - - - 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

Page 36 of 57

01-Jun-2007 08:55

Insurance

Substitution

Liquidation

Remaining Term

Balance

Proceeds

Amount

Life

Coupon

Remit

1-Jun-07

4,170

862,574,572

6,020,788

0.00

353

8.38%

7.88%

1-Jun-07

581

117,462,581

579,812

0.00

353

7.78%

7.28%

Curr Weighted Avg.

Total (All Loans)

Group I Loans

Distribution

Date

Ending Pool

Payoffs

Realized Losses

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Page 37 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Insurance

Substitution

Liquidation

Remaining Term

Balance

Proceeds

Amount

Life

Coupon

Remit

1-Jun-07

252

15,736,678

0.00

261

11.97%

11.47%

1-Jun-07

1,403

357,751,447

4,047,100

0.00

357

8.54%

8.04%

Curr Weighted Avg.

Group I Loans

Distribution

Date

Ending Pool

Payoffs

Realized Losses

Page 38 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Insurance

Substitution

Liquidation

Remaining Term

Balance

Proceeds

Amount

Life

Coupon

Remit

1-Jun-07

369

87,175,220

779,290

0.00

356

7.83%

7.33%

1-Jun-07

421

74,322,804

198,034

0.00

352

7.85%

7.35%

Curr Weighted Avg.

Group I Loans

Group II Loans

Distribution

Date

Ending Pool

Payoffs

Realized Losses

Page 39 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Insurance

Substitution

Liquidation

Remaining Term

Balance

Proceeds

Amount

Life

Coupon

Remit

1-Jun-07

136

7,085,440

0.00

275

11.49%

10.99%

1-Jun-07

891

182,379,633

416,551

0.00

357

8.48%

7.98%

Curr Weighted Avg.

Group II Loans

Distribution

Date

Ending Pool

Payoffs

Realized Losses

Page 40 of 57

01-Jun-2007 08:55

Distribution Date: 01-Jun-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Insurance

Substitution

Liquidation

Remaining Term

Balance

Proceeds

Amount

Life

Coupon

Remit

1-Jun-07

117

20,660,769

0.00

356

8.29%

7.79%

Curr Weighted Avg.

Group II Loans

Distribution

Date

Ending Pool

Payoffs

Realized Losses

Page 41 of 57

01-Jun-2007 08:55

SMM (Single Monthly Mortality)

Total

Current Period

0.70%

3-Month Average

0.70%

6-Month Average

0.70%

12-Month Average

0.70%

Average Since Cut-Off

0.70%

CPR (Conditional Prepayment Rate)

Total

Current Period

8.07%

3-Month Average

8.07%

6-Month Average

8.07%

12-Month Average

8.07%

Average Since Cut-Off

8.07%

PSA (Public Securities Association)

Total

Current Period

134%

3-Month Average

134%

6-Month Average

134%

12-Month Average

134%

Average Since Cut-Off

134%

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)

Distribution Date: 01-Jun-07

Prepayment Summary

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

0.00%

2.43%

4.86%

7.29%

9.71%

12.14%

14.57%

17.00%

Jul-06

Aug-06

Sep-06

Oct-06

Nov-06

Dec-06

Jan-07

Feb-07

Mar-07

Apr-07

May-07

Jun-07

0.00%

14.29%

28.57%

42.86%

57.14%

71.43%

85.71%

100.00%

Jul-06

Aug-06

Sep-06

Oct-06

Nov-06

Dec-06

Jan-07

Feb-07

Mar-07

Apr-07

May-07

Jun-07

229%

457%

686%

914%

1143%

1371%

1600%

Jul-06

Aug-06

Sep-06

Oct-06

Nov-06

Dec-06

Jan-07

Feb-07

Mar-07

Apr-07

May-07

Jun-07

Page 42 of 57

01-Jun-2007 08:55

Min

Max

Count

% of Total

Balance

% of Total

Min

Max

Count

% of Total

Balance

% of Total

13,000

66,000

424

10.17%

19,530,337

2.26%

13,000

66,000

424

10.11%

19,535,231

2.25%

66,000

88,000

272

6.52%

21,099,003

2.45%

66,000

88,000

274

6.53%

21,237,578

2.44%

88,000

110,000

324

7.77%

32,234,205

3.74%

88,000

110,000

327

7.80%

32,528,267

3.74%

110,000

132,000

361

8.66%

43,829,338

5.08%

110,000

132,000

364

8.68%

44,198,066

5.09%

132,000

154,000

351

8.42%

50,355,871

5.84%

132,000

154,000

350

8.35%

50,228,973

5.78%

154,000

176,000

350

8.39%

57,906,359

6.71%

154,000

177,000

365

8.70%

60,535,485

6.97%

176,000

219,000

564

13.53%

110,815,053

12.85%

177,000

220,000

575

13.71%

113,787,582

13.09%

219,000

262,000

425

10.19%

101,836,755

11.81%

220,000

263,000

413

9.85%

99,603,314

11.46%

262,000

305,000

315

7.55%

88,899,994

10.31%

263,000

306,000

316

7.54%

89,556,089

10.31%

305,000

348,000

216

5.18%

70,158,785

8.13%

306,000

349,000

216

5.15%

70,466,129

8.11%

348,000

389,000

147

3.53%

54,044,011

6.27%

349,000

390,000

150

3.58%

55,392,580

6.37%

389,000

1,000,000

421

10.10%

211,864,860

24.56%

390,000

1,000,000

419

9.99%

211,904,017

24.39%

4,170

100.00%

862,574,572

100.00%

4,193

100.00%

868,973,311

100.00%

Min

Max

Count

% of Total

Balance

% of Total

Min

Max

Count

% of Total

Balance

% of Total

5.25%

6.84%

409

9.81%

106,680,354

12.37%

5.25%

6.84%

411

9.80%

107,210,890

12.34%

6.84%

7.20%

236

5.66%

61,043,437

7.08%

6.84%

7.20%

238

5.68%

61,494,297

7.08%

7.20%

7.56%

269

6.45%

68,428,105

7.93%

7.20%

7.56%

269

6.42%

68,459,486

7.88%

7.56%

7.92%

343

8.23%

84,996,953

9.85%

7.56%

7.92%

345

8.23%

85,591,755

9.85%

7.92%

8.28%

404

9.69%

100,093,848

11.60%

7.92%

8.28%

404

9.64%

100,131,803

11.52%

8.28%

8.65%

449

10.77%

101,765,101

11.80%

8.28%

8.65%

453

10.80%

103,011,550

11.85%

8.65%

9.08%

527

12.64%

110,086,896

12.76%

8.65%

9.08%

527

12.57%

109,987,898

12.66%

9.08%

9.52%

423

10.14%

85,442,423

9.91%

9.08%

9.52%

426

10.16%

86,160,831

9.92%

9.52%

9.95%

335

8.03%

59,947,474

6.95%

9.52%

9.95%

342

8.16%

62,201,521

7.16%

9.95%

10.39%

197

4.72%

30,509,578

3.54%

9.95%

10.39%

198

4.72%

30,676,893

3.53%

10.39%

10.84%

157

3.76%

21,957,693

2.55%

10.39%

10.84%

157

3.74%

21,965,297

2.53%

10.84%

14.66%

421

10.10%

31,622,711

3.67%

10.84%

14.66%

423

10.09%

32,081,090

3.69%

4,170

100.00%

862,574,572

100.00%

4,193

100.00%

868,973,311

100.00%

Distribution by Current Ending Principal Balance

Distribution by Cut-off Principal Balance

Distribution by Current Mortgage Rate

Distribution by Original Mortgage Rate

Distribution Date: 01-Jun-07

Mortgage Loan Characteristics Part I

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Page 43 of 57

01-Jun-2007 08:56

2,780

647,967,069

75.12%

356.88

8.42%

2,798

653,454,768

75.20%

360.00

8.42%

1,002

191,785,385

22.23%

352.24

7.81%

1,007

192,686,019

22.17%

355.59

7.81%

388

22,822,117

2.65%

265.48

11.82%

388

22,832,524

2.63%

269.90

11.82%

4,170

862,574,572

100.00%

4,193

868,973,311

100.00%

3,506

721,196,736

83.61%

353.68

8.34%

3,526

726,568,495

83.61%

356.80

8.34%

352

75,358,099

8.74%

351.12

8.54%

354

75,985,852

8.74%

355.11

8.55%

163

40,934,652

4.75%

356.45

8.52%

164

41,322,058

4.76%

359.47

8.51%

132

22,308,038

2.59%

348.65

8.59%

132

22,318,255

2.57%

353.06

8.59%

2,777,048

0.32%

343.67

8.54%

2,778,650

0.32%

347.43

8.54%

4,170

862,574,572

100.00%

4,193

868,973,311

100.00%

Total

SF Attached Dwelling

SF Unattached Dwelling

PUD

Multifamily

Condo - High Facility

Distribution by Property Types (Cut-off)

Property Type

# of

Loans

Ending Balance

% of

Balance

WAMM

WAC

Total

Adjustable

Fixed 1st Lien

Fixed 2nd Lien

Distribution by Product Characteristics (Cut-off)

Product Type

# of

Loans

Original Principal

Balance

% of

Balance

WAMM

WAC

Total

SF Attached Dwelling

SF Unattached Dwelling

PUD

Multifamily

Condo - High Facility

Distribution by Property Types (Current)

Property Type

# of

Loans

Ending Balance

% of

Balance

WAMM

WAC

Total

Fixed 1st Lien

Fixed 2nd Lien

Distribution by Product Characteristics (Current)

Product Type

# of

Loans

Ending Balance

% of

Balance

WAMM

WAC

Adjustable

Distribution Date: 01-Jun-07

Mortgage Loan Characteristics Part II

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Page 44 of 57

01-Jun-2007 08:56

Distribution Date: 01-Jun-07

Mortgage Loan Characteristics Part II

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

3,858

808,099,407

93.68%

353.33

8.34%

3,880

814,151,582

93.69%

356.55

8.34%

273

45,204,482

5.24%

354.91

8.93%

273

45,224,245

5.20%

358.06

8.93%

9,270,683

1.07%

354.31

8.64%

9,597,484

1.10%

358.63

8.68%

4,170

862,574,572

100.00%

4,193

868,973,311

100.00%

2,711

597,194,626

69.23%

354.92

8.24%

2,729

602,327,858

69.31%

358.06

8.25%

985

167,141,544

19.38%

347.60

8.96%

988

168,198,396

19.36%

351.28

8.97%

474

98,238,402

11.39%

354.28

8.14%

476

98,447,057

11.33%

357.25

8.14%

4,170

862,574,572

100.00%

4,193

868,973,311

100.00%

Distribution by Loan Purpose (Cut-off)

Loan Purpose

# of

Loans

Ending Balance

% of

Balance

WAMM

WAC

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

Distribution by Occupancy Type (Current)

Occupancy Type

# of

Loans

Ending Balance

% of

Balance

WAMM

WAC

Total

Refinance/No Cash Out

Refinance/Equity Takeout

Purchase

Total

Owner Occupied - Secondary Residence

Owner Occupied - Primary Residence

Non-Owner Occupied

Page 45 of 57

01-Jun-2007 08:56

Distribution Date: 01-Jun-07

Mortgage Loan Characteristics Part II

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

4,170

862,574,572

100.00%

353.43

8.37%

4,193

868,973,311

100.00%

356.65

8.38%

Distribution by Originator Concentration > 10% (Cut-off)

Originator

# of

Loans

Ending Balance

% of

Balance

WAMM

WAC

Distribution by Originator Concentration > 10% (Current)

Originator

# of

Loans

Ending Balance

% of

Balance

WAMM

WAC

Unknown

Page 46 of 57

01-Jun-2007 08:56

WAMM

WAC

California

785

235,165,331

27.26%

353

7.94%

Florida

638

123,117,531

14.27%

354

8.39%

Maryland

172

44,101,681

5.11%

355

8.51%

Arizona

203

41,648,039

4.83%

354

8.17%

Virginia

197

38,886,570

4.51%

354

8.34%

Illinois

191

38,087,493

4.42%

355

8.79%

New Jersey

131

34,665,408

4.02%

357

8.69%

New York

146

31,954,514

3.70%

354

8.41%

Nevada

126

28,383,457

3.29%

351

8.22%

Georgia

142

22,840,276

2.65%

352

9.10%

Remaining

1,439

223,724,272

25.94%

352

8.65%

WAMM

WAC

California

787

236,164,108

27.18%

356

7.94%

Florida

642

124,414,669

14.32%

357

8.40%

Maryland

173

44,354,864

5.10%

358

8.51%

Arizona

204

41,785,288

4.81%

357

8.18%

Illinois

194

39,375,142

4.53%

358

8.80%

Virginia

199

39,060,785

4.50%

357

8.35%

New Jersey

135

35,986,352

4.14%

360

8.66%

New York

146

31,969,654

3.68%

358

8.41%

Nevada

126

28,393,282

3.27%

354

8.22%

Georgia

142

22,852,213

2.63%

356

9.10%

Remaining

1,445

224,616,953

25.85%

356

8.65%

(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

Geographic
Distribution

# of

Loans

Balance

(1)

% of

Balance

Distribution Date: 01-Jun-07

Geographic Concentration

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Top 10 Current State Concentration

California

Arizona

Maryland

Florida

Georgia

Nevada

New York

New Jersey

Illinois

Virginia

Remaining

Page 47 of 57

01-Jun-2007 08:56

C
M
N
O
P

REO
Short Pay
Third Party
Write-off

R
S
T
W

1
2
3
4
5

6
7
8
9

Third Party
Charged Off/Matured
Side Note
Manual

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

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

Loss-Loan

Adjusted

Loss-Certs

Adjusted

Liq Type

Adj Type

Loss-Loan Non-

adjusted

Loss to Trust

Loss-Certs Non-

adjusted

Subsequent

Recov/(Exp)

Disclosure Control

Period

Original

Liquidation

Balance

Net Liquidation

Proceeds

Distribution Date: 01-Jun-07

Current Period Realized Loss Detail

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Page 48 of 57

01-Jun-2007 08:56

Distribution Date

Beginning Scheduled

Balance

Net Liquidation

Proceeds

Realized Loss

Loan Count

Realized Loss

Adjusted

Cumulative

Realized Loss

Amount

Count

Amount

Count

Amount

Count

1-Jun-07

0.00

Total

0.00

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

Distribution Date: 01-Jun-07

Historical Realized Loss Summary

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Page 49 of 57

01-Jun-2007 08:56

Distribution Date: 01-Jun-07

Historical Realized Loss Summary

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Distribution Date

Beginning Scheduled

Balance

Net Liquidation

Proceeds

Realized Loss

Loan Count

Realized Loss

Adjusted

Cumulative

Realized Loss

Amount

Count

Amount

Count

Amount

Count

1-Jun-07

0.00

Total

0.00

Claims on Prior

Liquidations

Recovery on Prior

Liquidations

(Claims)/Recoveries on

Prior Payoffs

Group I 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 - - - - - - - - - - - - - -

Page 50 of 57

01-Jun-2007 08:56

Distribution Date: 01-Jun-07

Historical Realized Loss Summary

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Distribution Date

Beginning Scheduled

Balance

Net Liquidation

Proceeds

Realized Loss

Loan Count

Realized Loss

Adjusted

Cumulative

Realized Loss

Amount

Count

Amount

Count

Amount

Count

1-Jun-07

0.00

Total

0.00

Claims on Prior

Liquidations

Recovery on Prior

Liquidations

(Claims)/Recoveries on

Prior Payoffs

Group II 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 - - - - - - - - - - - - - -

Page 51 of 57

01-Jun-2007 08:56

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)

Distribution Date: 01-Jun-07

Realized Loss Summary

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

0.00%

0.86%

1.71%

2.57%

3.43%

4.29%

5.14%

6.00%

Jul-06

Aug-06

Sep-06

Oct-06

Nov-06

Dec-06

Jan-07

Feb-07

Mar-07

Apr-07

May-07

Jun-07

0.00%

7.14%

14.29%

21.43%

28.57%

35.71%

42.86%

50.00%

Jul-06

Aug-06

Sep-06

Oct-06

Nov-06

Dec-06

Jan-07

Feb-07

Mar-07

Apr-07

May-07

Jun-07

286%

571%

857%

1143%

1429%

1714%

2000%

Jul-06

Aug-06

Sep-06

Oct-06

Nov-06

Dec-06

Jan-07

Feb-07

Mar-07

Apr-07

May-07

Jun-07

Page 52 of 57

01-Jun-2007 08:56

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

Material Breach Description

Disclosure

Control #

Loan Group #

Ending Principal

Balance

Material Breach

Date

Distribution Date: 01-Jun-07

Material Breaches Detail

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Page 53 of 57

01-Jun-2007 08:56

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.

Modification Description

Disclosure

Control #

Loan Group #

Modified Maturity

Date

Cutoff Maturity

Date

Distribution Date: 01-Jun-07

Modified Loan Detail

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Page 54 of 57

01-Jun-2007 08:56

Total

0.00

Realized Loss

Appraisal

Reduction

Amount

Date

Liquidated

Liquidation

Proceeds

Liquidation

Expenses

Total (All Loans)

Disclosure

Control #

REO Date

City

State

Property Type

Actual Balance

Scheduled

Balance

Recent

Appraisal

Value

Appraisal

Date

Distribution Date: 01-Jun-07

Historical Collateral Level REO Report

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Page 55 of 57

01-Jun-2007 08:56

Distribution Date: 01-Jun-07

Historical Collateral Level REO Report

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Total

0.00

Liquidation

Proceeds

Liquidation

Expenses

Realized Loss

Recent

Appraisal

Value

Appraisal

Date

Appraisal

Reduction

Amount

Date

Liquidated

Group I Loans

Disclosure

Control #

REO Date

City

State

Property Type

Actual Balance

Scheduled

Balance

Page 56 of 57

01-Jun-2007 08:56

Distribution Date: 01-Jun-07

Historical Collateral Level REO Report

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-HE4

Total

0.00

Realized Loss

Appraisal

Reduction

Amount

Date

Liquidated

Liquidation

Proceeds

Liquidation

Expenses

Group II Loans

Disclosure

Control #

REO Date

City

State

Property Type

Actual Balance

Scheduled

Balance

Recent

Appraisal

Value

Appraisal

Date

Page 57 of 57

01-Jun-2007 08:56

Bear Stearns Asset Backed Securities I Trust 2007-HE4 10-D