Content:

Pages

Contact Information:

Statement to Certificate Holders

Analyst:

Samir Ghia

714.259.6822

Statement to Certificate Holders (Factors)

samir.ghia@abnamro.com

Pool/Non-Pool Funds Cash Reconciliation

Administrator:

Leigh Gordon

312.904.4839

Cash Reconciliation Summary

5-6

leigh.gordon@abnamro.com

Pool Detail and Performance Indicators

7-9

LaSalle Website:

www.etrustee.net

Bond Interest Reconciliation Part I

Bond Interest Reconciliation Part II

Bond Principal Reconciliation

Outside Parties To The Transaction

Rating Information

End of Month Balance Reporting

14-15

15 Month Loan Status Summary Part I

16-23

15 Month Loan Status Summary Part II

24-31

15 Month Historical Payoff Summary

32-35

Prepayment Summary

Mortgage Loan Characteristics Part I

Mortgage Loan Characteristics Part II

38-40

Geographic Concentration

Historical Realized Loss Summary

42-44

Current Period Realized Loss Detail

Realized Loss Summary

Material Breaches Detail

Modified Loan Detail

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

ABN AMRO Acct : 723625.1

Payment Date:

26-Jun-06

Prior Payment:

25-May-06

Next Payment:

25-Jul-06

Record Date:

23-Jun-06

Depositor: Bear Stearns Asset Backed Securities I LLC

Distribution Count:

Underwriter: Bear Stearns & Co. Inc.

Master Servicer: ABN AMRO LaSalle Bank N.A.

Closing Date:

28-Apr-06

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

First Pay. Date:

25-May-06

Rated Final

Payment Date:

25-May-36

26-Jun-2006 09:23

I-A-1

07388AAA2

183,843,000.00

177,705,245.38

5,445,988.65

0.00

172,259,256.73

812,112.97

0.00

5.1412500000%

I-A-2

07388AAB0

94,107,000.00

0.00

94,107,000.00

439,270.56

0.00

5.2512500000%

I-A-3

07388AAC8

26,790,000.00

0.00

26,790,000.00

127,431.10

0.00

5.3512500000%

II-A

07388AAD6

264,889,000.00

260,821,384.60

4,102,234.51

0.00

256,719,150.09

1,215,137.85

0.00

5.2412500000%

M-1

07388AAE4

27,751,000.00

0.00

27,751,000.00

133,482.31

0.00

5.4112500000%

M-2

07388AAF1

25,560,000.00

0.00

25,560,000.00

123,170.80

0.00

5.4212500000%

M-3

07388AAG9

15,336,000.00

0.00

15,336,000.00

74,175.12

0.00

5.4412500000%

M-4

07388AAH7

12,780,000.00

0.00

12,780,000.00

62,494.20

0.00

5.5012500000%

M-5

07388AAJ3

12,780,000.00

0.00

12,780,000.00

62,835.00

0.00

5.5312500000%

M-6

07388AAK0

11,685,000.00

0.00

11,685,000.00

58,282.18

0.00

5.6112500000%

M-7

07388AAL8

10,954,000.00

0.00

10,954,000.00

59,699.30

0.00

6.1312500000%

M-8

07388AAM6

10,224,000.00

0.00

10,224,000.00

57,084.00

0.00

6.2812500000%

M-9

07388AAN4

7,303,000.00

0.00

7,303,000.00

46,617.48

0.00

7.1812500000%

M-10

07388AAP9

7,303,000.00

0.00

7,303,000.00

49,214.11

1,737.12

7.3136535239%

07388AAV6

730,293,736.24 N

720,088,366.22

0.00

710,539,043.96

1,403,433.79

40,291.83

N/A

07388AAU8

100.00

0.00

100.00

160,144.52

N/A

Total

711,305,100.00

701,099,729.98

9,548,223.16

0.00

691,551,506.82

4,884,585.29

202,173.47

Total P&I Payment

14,432,808.45

Distribution Date: 26-Jun-06

Pass-Through

Rate

Deferred Interest

Ending Certificate

Balance

Interest Payment

(2)

Bond Payments

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Current Realized

Loss

Class

CUSIP

Beginning

Certificate Balance

Principal Payment

Original Face Value

(1)

N denotes notional balance not included in total

(2)

Accrued Interest plus/minus Interest Adjustment minus Deferred Interest equals Interest Payment * Denotes Controlling Class

Interest

Adjustment

26-Jun-2006 09:23

I-A-1

07388AAA2

183,843,000.00

966.614151096

29.623040584

0.000000000

936.991110513

4.417426663

0.000000000

5.38250000%

I-A-2

07388AAB0

94,107,000.00

1000.000000000

0.000000000

1000.000000000

4.667777742

0.000000000

5.49250000%

I-A-3

07388AAC8

26,790,000.00

1000.000000000

0.000000000

1000.000000000

4.756666667

0.000000000

5.59250000%

II-A

07388AAD6

264,889,000.00

984.644075820

15.486617074

0.000000000

969.157458747

4.587347342

0.000000000

5.48250000%

M-1

07388AAE4

27,751,000.00

1000.000000000

0.000000000

1000.000000000

4.810000000

0.000000000

5.65250000%

M-2

07388AAF1

25,560,000.00

1000.000000000

0.000000000

1000.000000000

4.818888889

0.000000000

5.66250000%

M-3

07388AAG9

15,336,000.00

1000.000000000

0.000000000

1000.000000000

4.836666667

0.000000000

5.68250000%

M-4

07388AAH7

12,780,000.00

1000.000000000

0.000000000

1000.000000000

4.890000000

0.000000000

5.74250000%

M-5

07388AAJ3

12,780,000.00

1000.000000000

0.000000000

1000.000000000

4.916666667

0.000000000

5.77250000%

M-6

07388AAK0

11,685,000.00

1000.000000000

0.000000000

1000.000000000

4.987777493

0.000000000

5.85250000%

M-7

07388AAL8

10,954,000.00

1000.000000000

0.000000000

1000.000000000

5.450000000

0.000000000

6.37250000%

M-8

07388AAM6

10,224,000.00

1000.000000000

0.000000000

1000.000000000

5.583333333

0.000000000

6.52250000%

M-9

07388AAN4

7,303,000.00

1000.000000000

0.000000000

1000.000000000

6.383332877

0.000000000

7.42250000%

M-10

07388AAP9

7,303,000.00

1000.000000000

0.000000000

1000.000000000

6.738889497

0.237863892

7.82250000%

07388AAV6

730,293,736.24 N

986.025664040

0.000000000

972.949662171

1.921738775

0.055172088

N/A

07388AAU8

100.00

1000.000000000

0.000000000

1000.000000000

1601445.200000000

N/A

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

Bear Stearns Asset Backed Securities I Trust

Next Rate **

Deferred Interest *

Ending Certificate

Balance *

Interest Payment *

Interest Adjustment*

Statement to Certificate Holders (FACTORS)

Distribution Date: 26-Jun-06

Series 2006-HE4

Asset-Backed Certificates

Bond Payments

Current Realized

Loss *

Original Face

Value

Class

CUSIP

Beginning Certificate

Balance *

Principal Payment

26-Jun-2006 09:23

Interest Summary

Principal Summary

Reserve Fund

Interest Summary

Principal Summary

Beginning Balance

5,000.00

Scheduled Interest

4,988,250.39

Scheduled Prin Distribution

338,295.08

Withdrawal from Trust

0.00

Fees

306,937.67

Curtailments

23,599.77

Reimbursement from Waterfall

0.00

Remittance Interest

4,681,312.72

Prepayments in Full

9,187,427.41

Ending Balance

5,000.00

Other Interest Proceeds/Shortfalls

Liquidation Proceeds

0.00

Prepayment Penalties

160,144.52

Repurchase Proceeds

0.00

Swap Agreement

Other Interest Loss

0.00

Other Principal Proceeds

0.00

Other Interest Proceeds

0.00

Remittance Principal

9,549,322.26

Net Swap payment payable to the Swap

Non-advancing Interest

0.00

Administrator

42,028.95

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

160,144.52

Swap Termination payment payable to the Swap

Interest Adjusted

4,841,457.24

Administrator

0.00

Fee Summary

Swap Termination payment payable to the Swap

0.00

Total Servicing Fees

300,036.82

Provider

Total Trustee Fees

0.00

LPMI Fees

0.00

Cap Agreement

Credit Manager's Fees

0.00

Misc. Fees / Trust Expense

6,900.85

Class A Certificates

0.00

Insurance Premium

0.00

Class M Certificates

0.00

Total Fees

306,937.67

P&I Due Certificate Holders

14,432,808.45

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Cash Reconciliation Summary

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.

26-Jun-2006 09:23

Fixed 1st Lien

Fixed 2nd Lien

228 ARM

327 ARM

Total

Interest Summary

Scheduled Interest

335,248.86

460,099.79

1,825,686.38

54,451.82

2,675,486.85

Fees

24,010.34

21,151.26

115,147.53

3,607.30

163,916.43

Remittance Interest

311,238.51

438,948.53

1,710,538.86

50,844.52

2,511,570.42

Other Interest Proceeds/Shortfalls

Prepayment Penalties

0.00

6,998.30

65,667.66

0.00

72,665.96

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

6,998.30

65,667.66

0.00

72,665.96

Interest Adjusted

311,238.51

445,946.83

1,776,206.52

50,844.52

2,584,236.38

Principal Summary

Scheduled Principal Distribution

47,037.11

19,228.09

90,323.78

2,312.82

158,901.80

Curtailments

5,549.69

(2,358.96)

12,467.93

234.71

15,893.37

Prepayments in Full

0.00

623,440.41

4,148,879.96

499,500.00

5,271,820.37

Liquidation Proceeds

0.00

Repurchase Proceeds

0.00

Other Principal Proceeds

0.00

Less Mod Losses

0.00

Remittance Principal

52,586.80

640,309.54

4,251,671.67

502,047.53

5,446,615.54

Fee Summary

Total Servicing Fees

24,010.34

21,151.26

115,147.53

3,607.30

163,916.43

Total Trustee Fees

0.00

LPMI Fees

0.00

Total Fees

24,010.34

21,151.26

115,147.53

3,607.30

163,916.43

Beginning Principal Balance

56,329,254.93

49,621,722.62

270,140,828.79

8,462,875.78

384,554,682.12

Ending Principal Balance

56,276,668.13

48,981,413.08

265,889,157.12

7,960,828.25

379,108,066.58

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Cash Reconciliation Summary Group I Loans

26-Jun-2006 09:23

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Fixed 1st Lien

228 ARM

327 ARM

Total

Interest Summary

Scheduled Interest

82,389.78

524,729.49

1,705,644.26

2,312,763.54

Fees

5,482.64

36,429.13

101,109.46

143,021.23

Remittance Interest

76,907.14

488,300.37

1,604,534.80

2,169,742.31

Other Interest Proceeds/Shortfalls

Prepayment Penalties

0.00

10,891.69

76,586.87

87,478.56

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

10,891.69

76,586.87

87,478.56

Interest Adjusted

76,907.14

499,192.06

1,681,121.67

2,257,220.87

Principal Summary

Scheduled Principal Distribution

4,331.79

81,016.91

94,044.58

179,393.28

Curtailments

(1,199.24)

1,267.73

7,637.91

7,706.40

Prepayments in Full

0.00

398,318.60

3,517,288.44

3,915,607.04

Liquidation Proceeds

0.00

Repurchase Proceeds

0.00

Other Principal Proceeds

0.00

Less Mod Losses

0.00

Remittance Principal

3,132.55

480,603.24

3,618,970.93

4,102,706.72

Fee Summary

Total Servicing Fees

5,482.64

36,429.13

101,109.46

143,021.23

Total Trustee Fees

0.00

LPMI Fees

0.00

Total Fees

5,482.64

36,429.13

101,109.46

143,021.23

Beginning Principal Balance

12,862,500.11

85,464,228.49

237,206,955.50

335,533,684.10

Ending Principal Balance

12,859,367.56

84,983,625.25

233,587,984.57

331,430,977.38

Cash Reconciliation Summary Group II Loans

26-Jun-2006 09:23

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

730,293,736.24

4,326

3 mo. Rolling Average

2,751,806

715,313,705

0.39%

WAC - Current

7.75%

7.82%

7.80%

Cum Scheduled Principal

678,444.03

6 mo. Rolling Average

2,751,806

715,313,705

0.39%

WAC - Original

7.76%

7.82%

7.80%

Cum Unscheduled Principal

19,076,248.25

12 mo. Rolling Average

2,751,806

715,313,705

0.39%

WAL - Current

304.47

355.31

341.74

Cum Liquidations

Loss Levels

Amount

Count

WAL - Original

305.25

356.30

342.77

Cum Deferred Interest

0.00

3 mo. Cum Loss

0.00

6 mo. Cum loss

0.00

Current Index Rate

Current

Amount

Count

12 mo. Cum Loss

0.00

Next Index Rate

Beginning Pool

720,088,366.22

4,278

98.60%

Scheduled Principal

338,295.08

0.05%

Triggers

Unscheduled Principal

9,211,027.18

1.26%

Deferred Interest

0.00

0.00%

> Delinquency Trigger Event

(2)

Liquidations

0.00

0.00%

Delinquency Event Calc

(1)

5,503,612.66

710,539,044

0.77%

Repurchases

0.00

0.00%

Ending Pool

710,539,043.96

4,236

97.29%

> Loss Trigger Event?

(3)

Average Loan Balance

167,738.21

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)

22.61%

Cut-off LTV

80.54%

Step Down %

(5)

44.00%

Cash Out/Refinance

57.13%

Credit Enhancement

Amount

% of Current Specified Enhancement %

(6)

34.75%

SFR

74.57%

Original OC

18,988,736.24

2.60%

> Step Down Date?

Target OC

18,987,637.14

2.60%

Min

Max

Beginning OC

18,988,736.24

Extra Principal

0.00

FICO

500

802

622.54

OC Amount per PSA

18,988,736.24

2.60%

Cumulative Extra Principal

0.00

Ending OC

18,987,637.14

OC Release

N/A

Mezz Certificates

141,676,000.00 19.40%

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Pool Detail and Performance Indicators Total (All Loans)

Misc/Additional Information

Pool Level Information

5.081250%

5.322500%

Balance

588,181,738.34

417,252,813.62

544,602,577.84

Owner Occupied

690,328,211.84

94.53%

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)

26-Jun-2006 09:23

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

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

390,692,436.74

2,353

3 mo. Rolling Average

1,505,195

381,831,374

0.40%

WAC - Current

8.48%

7.59%

7.83%

Cum Scheduled Principal

318,780.77

6 mo. Rolling Average

1,505,195

381,831,374

0.40%

WAC - Original

8.48%

7.60%

7.84%

Cum Unscheduled Principal

11,265,589.39

12 mo. Rolling Average

1,505,195

381,831,374

0.40%

WAL - Current

277.56

355.13

333.70

Cum Liquidations

0.00

Loss Levels

Amount

Count

WAL - Original

278.29

356.11

334.78

Cum Deferred Interest

0.00

3 mo. Cum Loss

0.00

6 mo. Cum loss

0.00

Current Index Rate

Current

Amount

Count

12 mo. Cum Loss

0.00

Next Index Rate

Beginning Pool

384,554,682.12

2,324

98.43%

Scheduled Principal

158,901.80

0.04%

Triggers

Unscheduled Principal

5,287,713.74

1.35%

Deferred Interest

0.00

0.00%

> Delinquency Trigger Event

(2)

Liquidations

0.00

0.00%

Delinquency Event Calc

(1)

3,010,389.69

379,108,067

0.79%

Repurchases

0.00

0.00%

Ending Pool

379,108,066.58

2,299

97.03%

> Loss Trigger Event?

(3)

Average Loan Balance

164,901.29

Cumulative Loss

N/A

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)

N/A

Cut-off LTV

83.09%

Step Down %

(5)

N/A

Cash Out/Refinance

35.06%

Credit Enhancement

Amount

% of Current Specified Enhancement %

(6)

N/A

SFR

78.56%

Original OC

N/A

> Step Down Date?

Target OC

N/A

Min

Max

Beginning OC

N/A

Extra Principal

0.00

FICO

500

797

633.89

OC Amount per PSA

N/A

Cumulative Extra Principal

0.00

Ending OC

N/A

OC Release

N/A

Mezz Certificates

N/A

Pool Detail and Performance Indicators Group I Loans

Misc/Additional Information

Pool Level Information

N/A

Balance

324,642,931.97

136,995,824.88

306,925,355.09

Owner Occupied

368,460,112.11

94.31%

26-Jun-2006 09:23

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

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

339,601,299.50

1,973

3 mo. Rolling Average

1,246,611

333,482,331

0.38%

WAC - Current

6.86%

8.07%

7.76%

Cum Scheduled Principal

359,663.26

6 mo. Rolling Average

1,246,611

333,482,331

0.38%

WAC - Original

6.86%

8.07%

7.76%

Cum Unscheduled Principal

7,810,658.86

12 mo. Rolling Average

1,246,611

333,482,331

0.38%

WAL - Current

337.61

355.51

350.92

Cum Liquidations

0.00

Loss Levels

Amount

Count

WAL - Original

338.48

356.50

351.91

Cum Deferred Interest

0.00

3 mo. Cum Loss

0.00

6 mo. Cum loss

0.00

Current Index Rate

Current

Amount

Count

12 mo. Cum Loss

0.00

Next Index Rate

Beginning Pool

335,533,684.10

1,954

98.80%

Scheduled Principal

179,393.28

0.05%

Triggers

Unscheduled Principal

3,923,313.44

1.16%

Deferred Interest

0.00

0.00%

> Delinquency Trigger Event

(2)

Liquidations

0.00

0.00%

Delinquency Event Calc

(1)

2,493,222.97

331,430,977

0.75%

Repurchases

0.00

0.00%

Ending Pool

331,430,977.38

1,937

97.59%

> Loss Trigger Event?

(3)

Average Loan Balance

171,105.31

Cumulative Loss

N/A

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)

N/A

Cut-off LTV

77.60%

Step Down %

(5)

N/A

Cash Out/Refinance

82.53%

Credit Enhancement

Amount

% of Current Specified Enhancement %

(6)

N/A

SFR

69.99%

Original OC

N/A

> Step Down Date?

Target OC

N/A

Min

Max

Beginning OC

N/A

Extra Principal

0.00

FICO

500

802

609.57

OC Amount per PSA

N/A

Cumulative Extra Principal

0.00

Ending OC

N/A

OC Release

N/A

Mezz Certificates

N/A

Pool Detail and Performance Indicators Group II Loans

Misc/Additional Information

Pool Level Information

N/A

Balance

263,538,806.37

280,256,988.74

237,677,222.75

Owner Occupied

321,868,099.73

94.78%

26-Jun-2006 09:23

I-A-1

Act/360

177,705,245.38

5.141250000%

812,112.97

0.00

812,112.97

0.00

I-A-2

Act/360

94,107,000.00

5.251250000%

439,270.56

0.00

439,270.56

0.00

I-A-3

Act/360

26,790,000.00

5.351250000%

127,431.10

0.00

127,431.10

0.00

II-A

Act/360

260,821,384.60

5.241250000%

1,215,137.85

0.00

1,215,137.85

0.00

M-1

Act/360

27,751,000.00

5.411250000%

133,482.31

0.00

133,482.31

0.00

M-2

Act/360

25,560,000.00

5.421250000%

123,170.80

0.00

123,170.80

0.00

M-3

Act/360

15,336,000.00

5.441250000%

74,175.12

0.00

74,175.12

0.00

M-4

Act/360

12,780,000.00

5.501250000%

62,494.20

0.00

62,494.20

0.00

M-5

Act/360

12,780,000.00

5.531250000%

62,835.00

0.00

62,835.00

0.00

M-6

Act/360

11,685,000.00

5.611250000%

58,282.18

0.00

58,282.18

0.00

M-7

Act/360

10,954,000.00

6.131250000%

59,699.30

0.00

59,699.30

0.00

M-8

Act/360

10,224,000.00

6.281250000%

57,084.00

0.00

57,084.00

0.00

M-9

Act/360

7,303,000.00

7.181250000%

46,617.48

0.00

46,617.48

0.00

M-10

Act/360

7,303,000.00

7.313650000%

47,476.99

1,737.12

0.00

49,214.11

0.00

Yes

720,088,366.22

2.271620000%

1,363,141.96

40,291.83

0.00

1,403,433.79

0.00

100.00

0.000000000%

0.00

160,144.52

0.00

160,144.52

0.00

Total

701,099,729.98

4,682,411.82

202,173.47

0.00

4,884,585.29

0.00

(1)

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

Interest

Payment

Amount

Remaining Int

Carry-Forward

Shortfall

Current Period

(Shortfall) /

Recovery

Net Cap

Rate in

Effect Y/N

Total Interest

Deductions

Method

Days

Remaining
Basis Risk

Carry-Fwd

Shortfall

Outstanding Relief

Act / Prepayment
Interest Shortfalls

Class

Accrual

Certificate

Interest

Distribution Date: 26-Jun-06

Pass-Thru Rate

Total Interest

Additions

Distributable

Certificate

Interest

Bond Interest Reconciliation - Part I

Opening Balance

- - Accrual - -

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

- - - - - - - - Outstanding - - - - - - - -

26-Jun-2006 09:23

I-A-1

23-Jun-06

25-May-06

26-Jun-06

0.00

I-A-2

23-Jun-06

25-May-06

26-Jun-06

0.00

I-A-3

23-Jun-06

25-May-06

26-Jun-06

0.00

II-A

23-Jun-06

25-May-06

26-Jun-06

0.00

M-1

23-Jun-06

25-May-06

26-Jun-06

0.00

M-2

23-Jun-06

25-May-06

26-Jun-06

0.00

M-3

23-Jun-06

25-May-06

26-Jun-06

0.00

M-4

23-Jun-06

25-May-06

26-Jun-06

0.00

M-5

23-Jun-06

25-May-06

26-Jun-06

0.00

M-6

23-Jun-06

25-May-06

26-Jun-06

0.00

M-7

23-Jun-06

25-May-06

26-Jun-06

0.00

M-8

23-Jun-06

25-May-06

26-Jun-06

0.00

M-9

23-Jun-06

25-May-06

26-Jun-06

0.00

M-10

30-Jun-06

25-May-06

26-Jun-06

0.00

1,737.12

0.00

30-Jun-06

25-May-06

25-Jun-06

0.00

40,291.83

0.00

30-Jun-06

25-May-06

26-Jun-06

0.00

160,144.52

0.00

Total

0.00

160,144.52

0.00

42,028.95

0.00

Prior Interest Due

Date

Current Interest

Due Date

Prior Shortfall

Reimbursement

Other Interest

Proceeds

(1)

Class

Interest Rate

SWAP Agreement

Deposits from YM

Agreement

Prior Int Carry-Fwd

Shortfall

Distribution Date: 26-Jun-06

Asset-Backed Certificates

Series 2006-HE4

Bear Stearns Asset Backed Securities I Trust

Current Int Carry-

Fwd Shortfall

(2)

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.

- - - - - - - - - - - - - - - - - - - - - - - - - - - Additions - - - - - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - Deductions - - - - - - - - - -

Bond Interest Reconciliation - Part II

Other Interest

Losses

Prepayment

Premiums

Record Date

26-Jun-2006 09:23

I-A-1

183,843,000.00

177,705,245.38

158,901.80

5,287,086.85

0.00

172,259,256.73

25-Sep-29

N/A

I-A-2

94,107,000.00

0.00

94,107,000.00

25-Feb-36

N/A

I-A-3

26,790,000.00

0.00

26,790,000.00

25-May-36

N/A

II-A

264,889,000.00

260,821,384.60

179,393.28

3,922,841.23

0.00

256,719,150.09

25-May-36

N/A

M-1

27,751,000.00

0.00

27,751,000.00

25-May-36

N/A

M-2

25,560,000.00

0.00

25,560,000.00

25-May-36

N/A

M-3

15,336,000.00

0.00

15,336,000.00

25-May-36

N/A

M-4

12,780,000.00

0.00

12,780,000.00

25-May-36

N/A

M-5

12,780,000.00

0.00

12,780,000.00

25-May-36

N/A

M-6

11,685,000.00

0.00

11,685,000.00

25-May-36

N/A

M-7

10,954,000.00

0.00

10,954,000.00

25-May-36

N/A

M-8

10,224,000.00

0.00

10,224,000.00

25-May-36

N/A

M-9

7,303,000.00

0.00

7,303,000.00

25-May-36

N/A

M-10

7,303,000.00

0.00

7,303,000.00

25-May-36

N/A

730,293,736.24

720,088,366.22

0.00

710,539,043.96

25-May-36

N/A

100.00

0.00

100.00

25-May-36

N/A

Total

711,305,100.00

701,099,729.98

338,295.08

9,209,928.08

0.00

691,551,506.82

Cumulative

Losses

- - - - - - - - - - - - - - - - Losses - - - - - - - - - - - - - - -

Extra

Principal
Payment

Prior
Loss

Reimburs.

Bond Principal Reconciliation

Unscheduled

Principal
Payment

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Current

Original

Interest on

Losses

Scheduled Principal

Payment

Ending

Class Balance

Rated

Final

Maturity

- Credit Support -

Class

Original Class

Balance

Beginning Class

Balance

Current
Losses

Distribution Date: 26-Jun-06

26-Jun-2006 09:23

Class

CUSIP

Fitch

Moody's

DBRS

S&P

I-A-1

07388AAA2

Aaa

AAA

I-A-2

07388AAB0

Aaa

AAA

I-A-3

07388AAC8

Aaa

AAA

II-A

07388AAD6

Aaa

AAA

M-1

07388AAE4

Aa1

AA+

M-2

07388AAF1

Aa2

M-3

07388AAG9

Aa3

AA-

M-4

07388AAH7

A+

M-5

07388AAJ3

M-6

07388AAK0

A-

M-7

07388AAL8

Baa1

BBB+

M-8

07388AAM6

Baa2

BBB

M-9

07388AAN4

Baa3

BBB-

M-10

07388AAP9

Ba1

BB+

07388AAV6

07388AAU8

DBRS

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.

- - - - - - - - - - - - Original Ratings - - - - - - - - - -

Fitch

Moody's

S&P

- - - - - - - - - - - - - - - - Ratings Change / Change Date

(1)

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

Distribution Date: 26-Jun-06

Ratings Information

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

26-Jun-2006 09:23

Type

Count

Count (%)

Scheduled UPB

Sched UPB (%)

Arrears

Arrears (%)

REO Book Value

4073

95.2080%

681,070,995.59

95.3974%

0.00

0.0000%

0.00

149

3.4829%

27,355,882.44

3.8317%

0.00

0.0000%

0.00

0.6779%

5,439,789.17

0.7619%

0.00

0.0000%

0.00

BKY30

0.0234%

63,823.49

0.0089%

0.00

0.0000%

0.00

PIF

0.6078%

0.00

0.0000%

0.00

0.0000%

0.00

Total (Prior Month End):

4278

100.0000%

713,930,490.00

100.0000%

0.00

0.0000%

0.00

Delinq Total (Prior Month End):

179

4.1842%

32,859,495.00

4.6026%

0.00

0.0000%

0.00

2205

94.8795%

359,981,615.32

94.4571%

0.00

0.0000%

0.00

3.7866%

18,114,001.99

4.7530%

0.00

0.0000%

0.00

0.6454%

2,946,566.20

0.7732%

0.00

0.0000%

0.00

BKY30

0.0430%

63,823.49

0.0167%

0.00

0.0000%

0.00

PIF

0.6454%

0.00

0.0000%

0.00

0.0000%

0.00

Total (Prior Month End):

2324

100.0000%

381,106,006.00

100.0000%

0.00

0.0000%

0.00

Delinq Total (Prior Month End):

104

4.4750%

21,124,391.00

5.5429%

0.00

0.0000%

0.00

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

End of Month Balance Reporting

F/C Quick Sale

Value

Total

Group 1

26-Jun-2006 09:23

Type

Count

Count (%)

Scheduled UPB

Sched UPB (%)

Arrears

Arrears (%)

REO Book Value

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

End of Month Balance Reporting

F/C Quick Sale

Value

1868

95.5988%

321,089,380.27

96.4741%

0.00

0.0000%

0.00

3.1218%

9,241,880.45

2.7768%

0.00

0.0000%

0.00

0.7165%

2,493,222.97

0.7491%

0.00

0.0000%

0.00

PIF

0.5629%

0.00

0.0000%

0.00

0.0000%

0.00

Total (Prior Month End):

1954

100.0000%

332,824,483.00

100.0000%

0.00

0.0000%

0.00

Delinq Total (Prior Month End):

3.8383%

11,735,103.00

3.5259%

0.00

0.0000%

0.00

Total (Prior Month End):
Delinq Total (Prior Month End):

Group 2

26-Jun-2006 09:23

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

26-Jun-06

4,009

677,679,549

150

27,419,706

5,439,789

25-May-06

4,249

713,666,161

6,422,206

26-Jun-06

94.64%

95.38%

3.54%

3.86%

0.68%

0.77%

1.13%

0.00%

25-May-06

99.32%

99.11%

0.68%

0.89%

0.00%

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part I

Delinquent 3+ Months

Foreclosure

REO

Total (All Loans)

Distribution

Date

Current

Delinquent 1 Month

Delinquent 2 Months

Total (All Loans)

26-Jun-2006 09:23

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part I

Delinquent 3+ Months

Foreclosure

REO

Distribution

Date

Current

Delinquent 1 Month

Delinquent 2 Months

26-Jun-06

310

55,967,728

308,940

25-May-06

317

56,329,255

26-Jun-06

97.79%

99.45%

1.26%

0.55%

0.00%

0.95%

0.00%

25-May-06

100.00%

0.00%

Group I Loans Fixed 1st Lien

26-Jun-2006 09:23

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part I

Delinquent 3+ Months

Foreclosure

REO

Distribution

Date

Current

Delinquent 1 Month

Delinquent 2 Months

26-Jun-06

840

46,725,910

1,867,262

388,241

25-May-06

888

49,229,257

392,466

26-Jun-06

95.02%

95.40%

3.28%

3.81%

0.79%

0.90%

0.00%

25-May-06

99.33%

99.21%

0.67%

0.79%

0.00%

Group I Loans Fixed 2nd Lien

26-Jun-2006 09:23

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part I

Delinquent 3+ Months

Foreclosure

REO

Distribution

Date

Current

Delinquent 1 Month

Delinquent 2 Months

26-Jun-06

981

247,464,680

15,866,151

2,558,325

25-May-06

1,065

266,559,168

3,581,661

26-Jun-06

92.46%

93.07%

5.18%

5.97%

0.75%

0.96%

1.60%

0.00%

25-May-06

99.07%

98.67%

0.93%

1.33%

0.00%

Group I Loans 228 ARM

26-Jun-2006 09:23

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part I

Delinquent 3+ Months

Foreclosure

REO

Distribution

Date

Current

Delinquent 1 Month

Delinquent 2 Months

26-Jun-06

7,825,356

135,472

25-May-06

8,462,876

26-Jun-06

94.59%

98.30%

2.70%

1.70%

0.00%

2.70%

0.00%

25-May-06

100.00%

0.00%

Group I Loans 327 ARM

26-Jun-2006 09:23

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part I

Delinquent 3+ Months

Foreclosure

REO

Distribution

Date

Current

Delinquent 1 Month

Delinquent 2 Months

26-Jun-06

12,859,368

25-May-06

12,742,832

119,668

26-Jun-06

98.46%

100.00%

0.00%

1.54%

0.00%

25-May-06

98.46%

99.07%

1.54%

0.93%

0.00%

Group II Loans Fixed 1st Lien

26-Jun-2006 09:23

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part I

Delinquent 3+ Months

Foreclosure

REO

Distribution

Date

Current

Delinquent 1 Month

Delinquent 2 Months

26-Jun-06

553

84,358,668

305,440

319,517

25-May-06

565

85,414,278

49,951

26-Jun-06

98.22%

99.26%

0.53%

0.36%

0.53%

0.38%

0.71%

0.00%

25-May-06

99.82%

99.94%

0.18%

0.06%

0.00%

Group II Loans 228 ARM

26-Jun-2006 09:23

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part I

Delinquent 3+ Months

Foreclosure

REO

Distribution

Date

Current

Delinquent 1 Month

Delinquent 2 Months

26-Jun-06

1,226

222,477,839

8,936,440

2,173,706

25-May-06

1,312

234,928,495

2,278,460

26-Jun-06

93.66%

95.24%

4.43%

3.83%

0.84%

0.93%

1.07%

0.00%

25-May-06

99.17%

99.04%

0.83%

0.96%

0.00%

Group II Loans 327 ARM

26-Jun-2006 09:23

Balance

26-Jun-06

63,823

25-May-06

26-Jun-06

0.00%

0.02%

0.01%

0.00%

25-May-06

0.00%

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part II

- - - - - - - - - - - In Foreclosure and Delinquent - - - - - - - - - - - - -

- - - - - - - - - - - - - - - In REO and Delinquent - - - - - - - - - - - - - -

- - - - - - - - - - - - - In Bankruptcy and Delinquent - - - - - - - - - - - - -

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

26-Jun-2006 09:23

Balance

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part II

- - - - - - - - - - - In Foreclosure and Delinquent - - - - - - - - - - - - -

- - - - - - - - - - - - - - - In REO and Delinquent - - - - - - - - - - - - - -

- - - - - - - - - - - - - In Bankruptcy and Delinquent - - - - - - - - - - - - -

Distribution

Date

Current

31-60 Days

61-90 Days

90 + Days

Current

31-60 Days

61-90 Days

90 + Days

61-90 Days

90 + Days

Current

31-60 Days

26-Jun-06

25-May-06

26-Jun-06

0.00%

25-May-06

0.00%

Group I Loans Fixed 1st Lien

26-Jun-2006 09:23

Balance

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part II

- - - - - - - - - - - In Foreclosure and Delinquent - - - - - - - - - - - - -

- - - - - - - - - - - - - - - In REO and Delinquent - - - - - - - - - - - - - -

- - - - - - - - - - - - - In Bankruptcy and Delinquent - - - - - - - - - - - - -

Distribution

Date

Current

31-60 Days

61-90 Days

90 + Days

Current

31-60 Days

61-90 Days

90 + Days

61-90 Days

90 + Days

Current

31-60 Days

26-Jun-06

25-May-06

26-Jun-06

0.00%

25-May-06

0.00%

Group I Loans Fixed 2nd Lien

26-Jun-2006 09:23

Balance

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part II

- - - - - - - - - - - In Foreclosure and Delinquent - - - - - - - - - - - - -

- - - - - - - - - - - - - - - In REO and Delinquent - - - - - - - - - - - - - -

- - - - - - - - - - - - - In Bankruptcy and Delinquent - - - - - - - - - - - - -

Distribution

Date

Current

31-60 Days

61-90 Days

90 + Days

Current

31-60 Days

61-90 Days

90 + Days

61-90 Days

90 + Days

Current

31-60 Days

26-Jun-06

63,823

25-May-06

26-Jun-06

0.00%

0.09%

0.02%

0.00%

25-May-06

0.00%

Group I Loans 228 ARM

26-Jun-2006 09:23

Balance

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part II

- - - - - - - - - - - In Foreclosure and Delinquent - - - - - - - - - - - - -

- - - - - - - - - - - - - - - In REO and Delinquent - - - - - - - - - - - - - -

- - - - - - - - - - - - - In Bankruptcy and Delinquent - - - - - - - - - - - - -

Distribution

Date

Current

31-60 Days

61-90 Days

90 + Days

Current

31-60 Days

61-90 Days

90 + Days

61-90 Days

90 + Days

Current

31-60 Days

26-Jun-06

25-May-06

26-Jun-06

0.00%

25-May-06

0.00%

Group I Loans 327 ARM

26-Jun-2006 09:23

Balance

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part II

- - - - - - - - - - - In Foreclosure and Delinquent - - - - - - - - - - - - -

- - - - - - - - - - - - - - - In REO and Delinquent - - - - - - - - - - - - - -

- - - - - - - - - - - - - In Bankruptcy and Delinquent - - - - - - - - - - - - -

Distribution

Date

Current

31-60 Days

61-90 Days

90 + Days

Current

31-60 Days

61-90 Days

90 + Days

61-90 Days

90 + Days

Current

31-60 Days

26-Jun-06

25-May-06

26-Jun-06

0.00%

25-May-06

0.00%

Group II Loans Fixed 1st Lien

26-Jun-2006 09:23

Balance

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part II

- - - - - - - - - - - In Foreclosure and Delinquent - - - - - - - - - - - - -

- - - - - - - - - - - - - - - In REO and Delinquent - - - - - - - - - - - - - -

- - - - - - - - - - - - - In Bankruptcy and Delinquent - - - - - - - - - - - - -

Distribution

Date

Current

31-60 Days

61-90 Days

90 + Days

Current

31-60 Days

61-90 Days

90 + Days

61-90 Days

90 + Days

Current

31-60 Days

26-Jun-06

25-May-06

26-Jun-06

0.00%

25-May-06

0.00%

Group II Loans 228 ARM

26-Jun-2006 09:23

Balance

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part II

- - - - - - - - - - - In Foreclosure and Delinquent - - - - - - - - - - - - -

- - - - - - - - - - - - - - - In REO and Delinquent - - - - - - - - - - - - - -

- - - - - - - - - - - - - In Bankruptcy and Delinquent - - - - - - - - - - - - -

Distribution

Date

Current

31-60 Days

61-90 Days

90 + Days

Current

31-60 Days

61-90 Days

90 + Days

61-90 Days

90 + Days

Current

31-60 Days

26-Jun-06

25-May-06

26-Jun-06

0.00%

25-May-06

0.00%

Group II Loans 327 ARM

26-Jun-2006 09:23

Insurance

Substitution

Liquidation

Remaining Term

Balance

Proceeds

Amount

Life

Coupon

Remit

26-Jun-06

4,236

710,539,044

9,187,427

0.00

342

8.31%

7.80%

25-May-06

4,278

720,088,366

9,766,343

0.00

343

8.32%

7.81%

26-Jun-06

317

56,276,668

0.00

345

7.14%

6.63%

25-May-06

317

56,329,255

576,187

0.00

345

7.14%

6.63%

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

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

Curr Weighted Avg.

Total (All Loans)

Group I Loans Fixed 1st Lien

Distribution

Date

Ending Pool

Payoffs

Realized Losses

26-Jun-2006 09:23

Insurance

Substitution

Liquidation

Remaining Term

Balance

Proceeds

Amount

Life

Coupon

Remit

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

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

Curr Weighted Avg.

Distribution

Date

Ending Pool

Payoffs

Realized Losses

26-Jun-06

884

48,981,413

623,440

0.00

199

11.13%

10.62%

25-May-06

894

49,621,723

540,571

0.00

200

11.13%

10.61%

26-Jun-06

1,061

265,889,157

4,148,880

0.00

355

8.11%

7.60%

25-May-06

1,075

270,140,829

4,678,922

0.00

356

8.12%

7.61%

Group I Loans Fixed 2nd Lien

Group I Loans 228 ARM

26-Jun-2006 09:23

Insurance

Substitution

Liquidation

Remaining Term

Balance

Proceeds

Amount

Life

Coupon

Remit

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

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

Curr Weighted Avg.

Distribution

Date

Ending Pool

Payoffs

Realized Losses

26-Jun-06

7,960,828

499,500

0.00

354

7.72%

7.21%

25-May-06

8,462,876

118,508

0.00

355

7.70%

7.19%

26-Jun-06

12,859,368

0.00

354

7.69%

7.18%

25-May-06

12,862,500

159,311

0.00

355

7.69%

7.18%

Group I Loans 327 ARM

Group II Loans Fixed 1st Lien

26-Jun-2006 09:23

Insurance

Substitution

Liquidation

Remaining Term

Balance

Proceeds

Amount

Life

Coupon

Remit

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

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

Curr Weighted Avg.

Distribution

Date

Ending Pool

Payoffs

Realized Losses

26-Jun-06

563

84,983,625

398,319

0.00

338

7.37%

6.86%

25-May-06

566

85,464,228

264,872

0.00

339

7.37%

6.86%

26-Jun-06

1,309

233,587,985

3,517,288

0.00

356

8.63%

8.12%

25-May-06

1,323

237,206,956

3,427,971

0.00

357

8.63%

8.12%

Group II Loans 228 ARM

Group II Loans 327 ARM

26-Jun-2006 09:23

SMM (Single Monthly Mortality)

Total

Current Period

1.28%

3-Month Average

1.31%

6-Month Average

1.31%

12-Month Average

1.31%

Average Since Cut-Off

1.31%

CPR (Conditional Prepayment Rate)

Total

Current Period

14.29%

3-Month Average

14.61%

6-Month Average

14.61%

12-Month Average

14.61%

Average Since Cut-Off

14.61%

PSA (Public Securities Association)

Total

Current Period

238%

3-Month Average

243%

6-Month Average

243%

12-Month Average

243%

Average Since Cut-Off

243%

SMM

Single Monthly Mortality

(Partial and Full Prepayments + Repurchases + Liquidations) / (Beginning Collateral Balance - Scheduled Principal)

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)

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Prepayment Summary

0.00%

2.43%

4.86%

7.29%

9.71%

12.14%

14.57%

17.00%

Jul-05

Aug-05

Sep-05

Oct-05

Nov-05

Dec-05

Jan-06

Feb-06

Mar-06

Apr-06

May-06

Jun-06

0.00%

14.29%

28.57%

42.86%

57.14%

71.43%

85.71%

100.00%

Jul-05

Aug-05

Sep-05

Oct-05

Nov-05

Dec-05

Jan-06

Feb-06

Mar-06

Apr-06

May-06

Jun-06

229%

457%

686%

914%

1143%

1371%

1600%

Jul-05

Aug-05

Sep-05

Oct-05

Nov-05

Dec-05

Jan-06

Feb-06

Mar-06

Apr-06

May-06

Jun-06

26-Jun-2006 09:23

Min

Max

Count

% of Total

Balance

% of Total

Min

Max

Count

% of Total

Balance

% of Total

12,000

45,000

431

10.17%

13,446,389

1.89%

12,000

45,000

437

10.10%

13,639,637

1.87%

45,000

63,000

379

8.95%

20,546,729

2.89%

45,000

64,000

415

9.59%

22,817,265

3.12%

63,000

81,000

391

9.23%

28,237,567

3.97%

64,000

83,000

403

9.32%

29,755,827

4.07%

81,000

99,000

296

6.99%

26,600,956

3.74%

83,000

102,000

328

7.58%

30,492,950

4.18%

99,000

117,000

312

7.37%

33,631,673

4.73%

102,000

121,000

313

7.24%

34,942,676

4.78%

117,000

137,000

310

7.32%

39,431,621

5.55%

121,000

138,000

262

6.06%

33,917,023

4.64%

137,000

177,000

519

12.25%

81,457,857

11.46%

138,000

178,000

529

12.23%

83,420,664

11.42%

177,000

217,000

400

9.44%

78,309,763

11.02%

178,000

218,000

406

9.39%

79,841,744

10.93%

217,000

257,000

331

7.81%

78,501,061

11.05%

218,000

258,000

338

7.81%

80,348,182

11.00%

257,000

297,000

249

5.88%

68,729,685

9.67%

258,000

298,000

259

5.99%

71,680,563

9.82%

297,000

336,000

192

4.53%

60,280,385

8.48%

298,000

339,000

202

4.67%

63,819,054

8.74%

336,000

783,000

426

10.06%

181,365,358

25.53%

339,000

784,000

434

10.03%

185,618,153

25.42%

4,236

100.00%

710,539,044

100.00%

4,326

100.00%

730,293,736

100.00%

Min

Max

Count

% of Total

Balance

% of Total

Min

Max

Count

% of Total

Balance

% of Total

5.25%

6.80%

414

9.77%

97,140,784

13.67%

5.25%

6.80%

420

9.71%

98,228,319

13.45%

6.80%

7.19%

297

7.01%

65,475,562

9.21%

6.80%

7.19%

298

6.89%

65,826,929

9.01%

7.19%

7.58%

305

7.20%

72,014,655

10.14%

7.19%

7.58%

315

7.28%

75,171,509

10.29%

7.58%

7.97%

391

9.23%

85,395,194

12.02%

7.58%

7.97%

397

9.18%

86,809,669

11.89%

7.97%

8.36%

349

8.24%

72,722,350

10.23%

7.97%

8.36%

358

8.28%

75,241,690

10.30%

8.36%

8.75%

397

9.37%

76,642,568

10.79%

8.36%

8.75%

409

9.45%

79,559,258

10.89%

8.75%

9.28%

464

10.95%

80,496,671

11.33%

8.75%

9.28%

471

10.89%

82,131,296

11.25%

9.28%

9.81%

470

11.10%

61,475,876

8.65%

9.28%

9.81%

477

11.03%

62,652,206

8.58%

9.81%

10.34%

293

6.92%

37,448,263

5.27%

9.81%

10.34%

304

7.03%

40,029,841

5.48%

10.34%

10.88%

216

5.10%

22,057,055

3.10%

10.34%

10.88%

224

5.18%

23,963,740

3.28%

10.88%

11.44%

215

5.08%

15,990,537

2.25%

10.88%

11.42%

220

5.09%

16,456,875

2.25%

11.44%

14.58%

425

10.03%

23,679,530

3.33%

11.42%

14.58%

433

10.01%

24,222,404

3.32%

4,236

100.00%

710,539,044

100.00%

4,326

100.00%

730,293,736

100.00%

Distribution Date: 26-Jun-06

Mortgage Loan Characteristics Part I

Distribution by Current Ending Principal Balance

Distribution by Current Mortgage Rate

Distribution by Cut-off Principal Balance

Distribution by Original Mortgage Rate

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

26-Jun-2006 09:23

2,472

520,297,338

73.23%

355.31

8.32%

2,534

537,315,278

73.58%

360.00

8.33%

880

141,260,293

19.88%

340.38

7.28%

890

142,789,434

19.55%

345.72

7.28%

884

48,981,413

6.89%

198.86

11.12%

902

50,189,024

6.87%

202.63

11.13%

4,236

710,539,044

100.00%

4,326

730,293,736

100.00%

3,140

530,861,989

74.71%

341.22

8.29%

3,201

543,554,796

74.43%

345.99

8.30%

543

90,798,248

12.78%

344.77

8.30%

558

94,626,960

12.96%

349.78

8.31%

330

55,316,880

7.79%

342.37

8.29%

339

57,325,947

7.85%

347.22

8.32%

216

32,515,078

4.58%

337.88

8.62%

221

33,738,251

4.62%

343.06

8.64%

1,046,849

0.15%

305.68

9.33%

1,047,781

0.14%

309.94

9.33%

4,236

710,539,044

100.00%

4,326

730,293,736

100.00%

Total

Distribution by Property Types (Cut-off)

Adjustable

Fixed 1st Lien

Fixed 2nd Lien

Product Type

Distribution by Property Types (Current)

Total

WAMM

WAC

Distribution by Product Characteristics (Cut-off)

Product Type

# of Loans

Original Principal

Balance

% of

Balance

Distribution by Product Characteristics (Current)

Mortgage Loan Characteristics Part II

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

WAMM

WAC

# of

Loans

Ending Scheduled

Balance

% of

Balance

WAMM

WAC

Property Type

# of

Loans

Ending Scheduled

Balance

% of

Balance

Property Type

# of Loans

Ending Scheduled

Balance

% of

Balance

WAMM

WAC

Adjustable

Fixed 1st Lien

Fixed 2nd Lien

Total

SF Unattached Dwelling

PUD

Condo - High Facility

Multifamily

SF Attached Dwelling

Total

SF Attached Dwelling

SF Unattached Dwelling

PUD

Condo - High Facility

Multifamily

26-Jun-2006 09:23

Mortgage Loan Characteristics Part II

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

3,917

666,774,486

93.84%

342.45

8.28%

4,003

685,724,124

93.90%

347.24

8.30%

289

39,561,779

5.57%

329.00

8.61%

292

39,965,524

5.47%

334.10

8.61%

4,202,778

0.59%

318.80

8.66%

4,604,088

0.63%

327.06

8.80%

4,236

710,539,044

100.00%

4,326

730,293,736

100.00%

1,892

363,508,673

51.16%

348.29

8.07%

1,940

374,739,050

51.31%

353.24

8.09%

2,095

305,619,052

43.01%

333.02

8.63%

2,133

313,040,923

42.87%

337.59

8.63%

249

41,411,319

5.83%

345.48

7.96%

253

42,513,763

5.82%

350.85

8.01%

4,236

710,539,044

100.00%

4,326

730,293,736

100.00%

Owner Occupied - Secondary Residence

Distribution by Occupancy Type (Current)

Occupancy Type

# of

Loans

Ending Scheduled

Balance

% of

Balance

WAMM

WAC

Owner Occupied - Primary Residence

Non-Owner Occupied

Owner Occupied - Primary Residence

Non-Owner Occupied

Distribution by Occupancy Type (Cut-off)

Occupancy Type

# of Loans

Ending Scheduled

Balance

% of

Balance

WAMM

WAC

Owner Occupied - Secondary Residence

Total

Distribution by Loan Purpose (Current)

Total

WAMM

WAC

Refinance/Equity Takeout

Purchase

Loan Purpose

# of

Loans

Ending Scheduled

Balance

% of

Balance

Refinance/No Cash Out

Total

Distribution by Loan Purpose (Cut-off)

Loan Purpose

# of Loans

Ending Scheduled

Balance

% of

Balance

WAMM

WAC

Refinance/Equity Takeout

Purchase

Refinance/No Cash Out

Total

26-Jun-2006 09:23

Mortgage Loan Characteristics Part II

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

1,930

324,421,193

45.66%

336.76

8.63%

1,973

333,227,319

45.63%

341.24

8.65%

678

108,259,815

15.24%

337.03

7.07%

687

109,557,306

15.00%

342.51

7.07%

Ending Scheduled

Balance

% of

Balance

WAMM

WAC

Distribution by Originator Concentration > 10% (Current)

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

Originator

# of

Loans

Ending Scheduled

Balance

% of

Balance

WAMM

WAC

Originator

# of Loans

Resmae Mortgage

Aames Capital Corpor

26-Jun-2006 09:23

WAMM

WAC

California

1,110

265,874,713

37.42%

339

8.18%

Florida

605

98,128,025

13.81%

346

8.11%

Texas

489

42,496,026

5.98%

322

8.58%

Illinois

252

38,869,666

5.47%

341

8.93%

New York

126

33,183,379

4.67%

343

7.26%

Arizona

205

32,284,435

4.54%

349

8.38%

Minnesota

144

20,999,194

2.96%

349

8.51%

Georgia

164

19,972,345

2.81%

347

8.76%

New Jersey

15,977,108

2.25%

343

8.18%

Michigan

136

13,747,707

1.93%

347

9.34%

Remaining

942

129,006,445

18.16%

345

8.49%

WAMM

WAC

California

1,140

274,084,632

37.53%

344

8.18%

Florida

628

101,743,415

13.93%

351

8.15%

Texas

494

43,069,704

5.90%

327

8.58%

Illinois

259

40,249,173

5.51%

346

8.95%

New York

129

34,118,704

4.67%

349

7.29%

Arizona

210

33,496,409

4.59%

352

8.40%

Minnesota

145

21,171,066

2.90%

355

8.49%

Georgia

164

19,981,374

2.74%

352

8.76%

New Jersey

16,337,492

2.24%

348

8.18%

Michigan

137

14,073,670

1.93%

352

9.36%

Remaining

956

131,968,097

18.07%

350

8.50%

(1)

Based on Current Period Ending Principal Balance

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Geographic Concentration

Top 10 Current State Concentration

Geographic Distribution

# of

Loans

Scheduled
Balance

(1)

% of

Balance

Top 10 Original State Concentration

Geographic Distribution

# of

Loans

Scheduled
Balance

(1)

% of

Balance

Top 10 Current State Concentration

California

Illinois

Texas

Florida

Michigan

New Jersey

Georgia

Minnesota

Arizona

New York

Remaining

26-Jun-2006 09:23

Distribution Date

Beginning Scheduled

Balance

Net Liquidation

Proceeds

Realized Loss

Loan Count

Realized Loss

Adjusted

Cumulative

Realized Loss

Amount

Count

Amount

Count

Amount

Count

26-Jun-06

0.00

25-May-06

0.00

Total

0.00

Historical Realized Loss Summary

Recovery on Prior

Liquidations

Claims on Prior

Liquidations

(Claims)/Recoveries on

Prior Payoffs

- - - - - - - - - - - - - - Previous Liquidations/Payoffs - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - Current Realized Loss - - - - - - - - - - - - - - - - -

Total (All Loans)

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

26-Jun-2006 09:23

Historical Realized Loss Summary

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Distribution Date

Beginning Scheduled

Balance

Net Liquidation

Proceeds

Realized Loss

Loan Count

Realized Loss

Adjusted

Cumulative

Realized Loss

Amount

Count

Amount

Count

Amount

Count

26-Jun-06

0.00

25-May-06

0.00

Total

0.00

Group I Loans

- - - - - - - - - - - - - - - - - Current Realized Loss - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - Previous Liquidations/Payoffs - - - - - - - - - - - - - -

Claims on Prior

Liquidations

Recovery on Prior

Liquidations

(Claims)/Recoveries on

Prior Payoffs

26-Jun-2006 09:23

Historical Realized Loss Summary

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Distribution Date

Beginning Scheduled

Balance

Net Liquidation

Proceeds

Realized Loss

Loan Count

Realized Loss

Adjusted

Cumulative

Realized Loss

Amount

Count

Amount

Count

Amount

Count

26-Jun-06

0.00

25-May-06

0.00

Total

0.00

Group II Loans

- - - - - - - - - - - - - - - - - Current Realized Loss - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - Previous Liquidations/Payoffs - - - - - - - - - - - - - -

Claims on Prior

Liquidations

Recovery on Prior

Liquidations

(Claims)/Recoveries on

Prior Payoffs

26-Jun-2006 09:23

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

Loss-Loan

Adjusted

Net Liquidation

Proceeds

Disclosure Control #

Period

Loss to Trust

Loss-Loan Non-

adjusted

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

Third Party
Charged Off/Matured
Side Note
Manual

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

Current Period Realized Loss Detail

Loss-Certs Non-

adjusted

Subsequent
Recov/(Exp)

Original Liquidation

Balance

Adj Type

Liq Type

Loss-Certs

Adjusted

Distribution Date: 26-Jun-06

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

26-Jun-2006 09:23

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)^

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)

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Realized Loss Summary

0.00%

0.57%

1.14%

1.71%

2.29%

2.86%

3.43%

4.00%

Jul-05

Aug-05

Sep-05

Oct-05

Nov-05

Dec-05

Jan-06

Feb-06

Mar-06

Apr-06

May-06

Jun-06

0.00%

4.29%

8.57%

12.86%

17.14%

21.43%

25.71%

30.00%

Jul-05

Aug-05

Sep-05

Oct-05

Nov-05

Dec-05

Jan-06

Feb-06

Mar-06

Apr-06

May-06

Jun-06

143%

286%

429%

571%

714%

857%

1000%

Jul-05

Aug-05

Sep-05

Oct-05

Nov-05

Dec-05

Jan-06

Feb-06

Mar-06

Apr-06

May-06

Jun-06

26-Jun-2006 09:23

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Material Breaches Detail

Disclosure Control

Loan Group #

Ending Principal

Balance

Material Breach

Date

Material Breach Description

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

26-Jun-2006 09:23

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2006-HE4

Distribution Date: 26-Jun-06

Modified Loan Detail

Disclosure Control

Loan Group #

Modified Maturity

Date

Cutoff Maturity

Date

Modification Description

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.

26-Jun-2006 09:23

Bear Stearns Asset Backed Securities I Trust 2006-HE4 10-D