Content:

Pages

Contact Information:

5/25/2007 0:00

Statement to Certificate Holders

Analyst:

Vimal Patel

714.259.6823

Statement to Certificate Holders (Factors)

vimal.patel@abnamro.com

Pool/Non-Pool Funds Cash Reconciliation

4/25/2007 0:00

Administrator:

Dimitrios Kostopoulos

312.992.2834

Cash Reconciliation Summary

dimitrios.kostopoulos@abnamro.com

Pool Detail and Performance Indicators

LaSalle Website:

www.etrustee.net

Bond Interest Reconciliation Part I

6/25/2007 0:00

Bond Interest Reconciliation Part II

Bond Principal Reconciliation

Outside Parties To The Transaction

Rating Information

5/24/2007

End of Month Balance Reporting

15 Month Loan Status Summary Part I

12-15

15 Month Loan Status Summary Part II

16-19

15 Month Historical Payoff Summary

20-21

Prepayment Summary

Mortgage Loan Characteristics Part I

Mortgage Loan Characteristics Part II

24-26

1/30/2007

Geographic Concentration

Current Period Realized Loss Detail

Historical Realized Loss Summary

2/26/2007 0:00

Realized Loss Summary

Material Breaches Detail

Modified Loan Detail

Historical Collateral Level REO Report

12/26/2036 0:00

Substitution Detail History

Substitution Detail History Summary

5/15/2007 0:00

Delinq Method:

OTS

Determination Date:

15-May-07

First Pay. Date:

Master Servicer: EMC Mortgage Corporation

26-Feb-07

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

Rated Final

Payment Date:

26-Dec-36

Depositor: Bear Stearns Asset Backed Securities, Inc.

Closing Date:

30-Jan-07

Underwriter: Bear Stearns Asset Backed Securities, Inc.

Record Date:

24-May-07

Distribution Count:

Issuer: Bear Stearns & Co. Inc.

Prior Payment:

25-Apr-07

Next Payment:

25-Jun-07

ABN AMRO Acct : 724454.1

Payment Date:

25-May-07

Distribution Date: 25-May-07

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

23-May-2007 11:51

A-1

07389VAA5

180,289,000.00

165,594,346.61

3,756,557.72

0.00

161,837,788.89

749,314.42

0.00

5.4300000000%

A-2

07389VAB3

61,828,000.00

0.00

61,828,000.00

284,408.80

0.00

5.5200000000%

A-3

07389VAC1

22,184,000.00

0.00

22,184,000.00

103,895.07

0.00

5.6200000000%

M-1

07389VAD9

13,957,000.00

0.00

13,957,000.00

66,528.37

0.00

5.7200000000%

M-2

07389VAE7

12,897,000.00

0.00

12,897,000.00

61,905.60

0.00

5.7600000000%

M-3

07389VAF4

7,950,000.00

0.00

7,950,000.00

38,292.50

0.00

5.7800000000%

M-4

07389VAG2

6,890,000.00

0.00

6,890,000.00

35,426.08

0.00

6.1700000000%

M-5

07389VAH0

6,360,000.00

0.00

6,360,000.00

34,821.00

0.00

6.5700000000%

M-6

07389VAJ6

5,830,000.00

0.00

5,830,000.00

33,862.58

0.00

6.9700000000%

M-7

07389VAK3

5,830,000.00

0.00

5,830,000.00

36,777.58

0.00

7.5700000000%

M-8

07389VAL1

4,770,000.00

0.00

4,770,000.00

30,090.75

0.00

7.5700000000%

M-9

07389VAM9

4,947,000.00

0.00

4,947,000.00

31,207.34

0.02

7.5700000000%

M-10

07389VAN7

5,477,000.00

0.00

5,477,000.00

34,550.74

0.00

7.5700000000%

07389VAU1

353,343,723.06 N

338,648,095.53

0.00

334,891,537.81

789,599.00

30,397.72

N/A

07389VAT4

100.00

0.00

100.00

38,786.74

N/A

R-1

07389VAP2

0.00

N/A

R-2

07389VAQ0

0.00

N/A

R-3

07389VAR8

0.00

N/A

07389VAS6

0.00

N/A

Total

339,209,100.00

324,514,446.61

3,756,557.72

0.00

320,757,888.89

2,369,466.57

69,184.48

Total P&I Payment

6,126,024.29

Interest Payment

(2)

Interest

Adjustment

Pass-Through

Rate

(1)

N denotes notional balance not included in total

(2)

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

Principal Payment

Principal

Adjustment or Loss Deferred Interest

Ending Certificate

Balance

Class

CUSIP

Original Face Value

(1)

Beginning

Certificate Balance

Distribution Date: 25-May-07

BOND PAYMENTS

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

Page 2 of 35

23-May-2007 11:50

A-1

07389VAA5

180,289,000.00

918.493899282

20.836311256

0.000000000

897.657588026

4.156184903

0.000000000

5.43000000%

A-2

07389VAB3

61,828,000.00

1000.000000000

0.000000000

1000.000000000

4.600000000

0.000000000

5.52000000%

A-3

07389VAC1

22,184,000.00

1000.000000000

0.000000000

1000.000000000

4.683333484

0.000000000

5.62000000%

M-1

07389VAD9

13,957,000.00

1000.000000000

0.000000000

1000.000000000

4.766666905

0.000000000

5.72000000%

M-2

07389VAE7

12,897,000.00

1000.000000000

0.000000000

1000.000000000

4.800000000

0.000000000

5.76000000%

M-3

07389VAF4

7,950,000.00

1000.000000000

0.000000000

1000.000000000

4.816666667

0.000000000

5.78000000%

M-4

07389VAG2

6,890,000.00

1000.000000000

0.000000000

1000.000000000

5.141666183

0.000000000

6.17000000%

M-5

07389VAH0

6,360,000.00

1000.000000000

0.000000000

1000.000000000

5.475000000

0.000000000

6.57000000%

M-6

07389VAJ6

5,830,000.00

1000.000000000

0.000000000

1000.000000000

5.808332762

0.000000000

6.97000000%

M-7

07389VAK3

5,830,000.00

1000.000000000

0.000000000

1000.000000000

6.308332762

0.000000000

7.57000000%

M-8

07389VAL1

4,770,000.00

1000.000000000

0.000000000

1000.000000000

6.308333333

0.000000000

7.57000000%

M-9

07389VAM9

4,947,000.00

1000.000000000

0.000000000

1000.000000000

6.308336365

0.000004043

7.57000000%

M-10

07389VAN7

5,477,000.00

1000.000000000

0.000000000

1000.000000000

6.308333029

0.000000000

7.57000000%

07389VAU1

353,343,723.06 N

958.409824285

0.000000000

947.778369769

2.234648441

0.086028753

N/A

07389VAT4

100.00

1000.000000000

0.000000000

1000.000000000

387867.400000000

N/A

R-1

07389VAP2

0.00

0.000000000

N/A

R-2

07389VAQ0

0.00

0.000000000

N/A

R-3

07389VAR8

0.00

0.000000000

N/A

07389VAS6

0.00

0.000000000

N/A

Interest Adjustment*

Next Rate **

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

BOND PAYMENTS

Class

CUSIP

Original Face

Value

Beginning Certificate

Balance *

Principal Payment

Principal

Adjustment or

Loss

Deferred Interest *

Ending Certificate

Balance *

Interest Payment *

Distribution Date: 25-May-07

Statement to Certificate Holders (FACTORS)

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

Page 3 of 35

23-May-2007 11:50

Interest Summary

Principal Summary

Reserve Fund

Interest Summary

Principal Summary

Beginning Balance

0.00

Scheduled Interest

2,443,643.23

Scheduled Prin Distribution

107,823.07

Withdrawal from Trust

0.00

Fees

143,361.14

Curtailments

8,447.48

Reimbursement from Waterfall

0.00

Remittance Interest

2,300,282.09

Prepayments in Full

3,640,287.17

Ending Balance

0.00

Other Interest Proceeds/Shortfalls

Liquidation Proceeds

0.00

Prepayment Penalties

38,786.74

Repurchase Proceeds

0.00

Yield Maintenance Agreement

Other Interest Loss

0.00

Other Principal Proceeds

0.00

Other Interest Proceeds

0.00

Remittance Principal

3,756,557.72

Amt Received Under the Yield Main. Agreement

0.00

Non-advancing Interest

0.00

Net PPIS/Relief Act Shortfall

0.00

Swap Agreement

Modification Shortfall

0.00

Other Interest Proceeds/Shortfalls

38,786.74

Net Swap payment payable to the Swap

Interest Adjusted

2,339,068.83

Administrator

30,397.74

Fee Summary

Net Swap payment payable to the Swap Provider

0.00

Total Servicing Fees

141,103.49

Total Trustee Fees

2,257.65

Swap Termination payment payable to the Swap

LPMI Fees

0.00

Administrator

0.00

Credit Manager's Fees

0.00

Swap Termination payment payable to the Swap

0.00

Misc. Fees / Trust Expense

0.00

Provider

Insurance Premium

0.00

Total Fees

143,361.14

Advances (Principal & Interest)

Prior Month's Outstanding Advances

3,096,709.84

Current Advances

N/A

Reimbursement of Prior Advances

N/A

Outstanding Advances

3,475,159.06

P&I Due Certificate Holders

6,126,024.29

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: 25-May-07

Cash Reconciliation Summary

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

Page 4 of 35

23-May-2007 11:50

Fixed

228 ARM

327 ARM

Total

Interest Summary

Scheduled Interest

265,205.43

1,332,175.36

846,262.44

2,443,643.23

Fees

15,831.68

77,725.03

49,804.43

143,361.14

Remittance Interest

249,373.75

1,254,450.33

796,458.01

2,300,282.09

Other Interest Proceeds/Shortfalls

Prepayment Penalties

0.00

26,617.06

12,169.68

38,786.74

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

26,617.06

12,169.68

38,786.74

Interest Adjusted

249,373.75

1,281,067.39

808,627.69

2,339,068.83

Principal Summary

Scheduled Principal Distribution

17,129.41

54,364.86

36,328.80

107,823.07

Curtailments

1,058.27

5,599.15

1,790.06

8,447.48

Prepayments in Full

256,931.03

1,393,199.72

1,990,156.42

3,640,287.17

Liquidation Proceeds

0.00

Repurchase Proceeds

0.00

Other Principal Proceeds

0.00

Less Mod Losses

0.00

Remittance Principal

275,118.71

1,453,163.73

2,028,275.28

3,756,557.72

Fee Summary

Total Servicing Fees

15,582.35

76,501.08

49,020.06

141,103.49

Total Trustee Fees

249.33

1,223.95

784.37

2,257.65

LPMI Fees

0.00

Misc. Fees

0.00

Total Fees

15,831.68

77,725.03

49,804.43

143,361.14

Beginning Principal Balance

37,397,613.90

183,602,357.38

117,648,124.25

338,648,095.53

Ending Principal Balance

37,122,495.19

182,149,193.65

115,619,848.97

334,891,537.81

Distribution Date: 25-May-07

Cash Reconciliation Summary (By Product)

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

Page 5 of 35

23-May-2007 11:50

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

353,343,723.06

1,100

3 mo. Rolling Average

14,185,758

342,721,487

4.16%

WAC - Remit Current

8.00%

8.17%

8.15%

Cum Scheduled Principal

434,602.19

6 mo. Rolling Average

10,801,757

345,377,046

3.17%

WAC - Remit Original

8.03%

8.18%

8.16%

Cum Unscheduled Principal

18,017,583.06

12 mo. Rolling Average

10,801,757

345,377,046

3.17%

WAC - Current

8.51%

8.68%

8.66%

Cum Liquidations

0.00

Loss Levels

Amount

Count

WAC - Original

8.54%

8.69%

8.67%

Cum Repurchases

722,091.64

3 mo. Cum Loss

45.00

WAL - Current

351.74

352.47

352.39

6 mo. Cum loss

45.00

WAL - Original

354.81

355.48

355.40

Current

Amount

Count

12 mo. Cum Loss

45.00

Beginning Pool

338,648,095.53

1,059

95.84%

Current Index Rate

Scheduled Principal

107,823.07

0.03%

Triggers

Next Index Rate

Unscheduled Principal

3,648,734.65

1.03%

Liquidations

0.00

0.00%

> Delinquency Trigger Event

(2)

Repurchases

0.00

0.00%

Delinquency Event Calc

(1)

23,983,000.57

338,648,096

7.08%

Ending Pool

334,891,537.81

1,048

94.78%

> Loss Trigger Event?

(3)

Average Loan Balance

319,552.99

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)

26.59%

Cut-off LTV

92.76%

Step Down %

(5)

50.40%

Cash Out/Refinance

79.60%

Credit Enhancement

Amount

% of Current Specified Enhancement %

(6)

41.00%

SFR

70.96%

Original OC

14,134,723.06

4.00%

> Step Down Date?

Target OC

14,133,748.92

4.00%

Min

Max

Beginning OC

14,133,748.92

Extra Principal

0.00

FICO

504

698

603.11

OC Amount per PSA

14,133,748.92

4.00%

Cumulative Extra Principal

45.00

Ending OC

14,133,748.92

OC Release

N/A

Mezz Certificates

74,908,000.00 21.20%

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

311,726,628.97

91.96%

Balance
314,438,896.14
269,822,879.32
240,555,720.40

Misc/Additional Information

Pool Level Information

5.320000%
5.320000%

Distribution Date: 25-May-07

Pool Detail and Performance Indicators Total (All Loans)

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

Page 6 of 35

23-May-2007 11:50

A-1

Act/360

165,594,346.61

5.430000000%

749,314.42

0.00

749,314.42

0.00

A-2

Act/360

61,828,000.00

5.520000000%

284,408.80

0.00

284,408.80

0.00

A-3

Act/360

22,184,000.00

5.620000000%

103,895.07

0.00

103,895.07

0.00

M-1

Act/360

13,957,000.00

5.720000000%

66,528.37

0.00

66,528.37

0.00

M-2

Act/360

12,897,000.00

5.760000000%

61,905.60

0.00

61,905.60

0.00

M-3

Act/360

7,950,000.00

5.780000000%

38,292.50

0.00

38,292.50

0.00

M-4

Act/360

6,890,000.00

6.170000000%

35,426.08

0.00

35,426.08

0.00

M-5

Act/360

6,360,000.00

6.570000000%

34,821.00

0.00

34,821.00

0.00

M-6

Act/360

5,830,000.00

6.970000000%

33,862.58

0.00

33,862.58

0.00

M-7

Act/360

5,830,000.00

7.570000000%

36,777.58

0.00

36,777.58

0.00

M-8

Act/360

4,770,000.00

7.570000000%

30,090.75

0.00

30,090.75

0.00

M-9

Act/360

4,947,000.00

7.570000000%

31,207.32

0.00

31,207.34

0.00

M-10

Act/360

5,477,000.00

7.570000000%

34,550.74

0.00

34,550.74

0.00

338,648,095.53

N/A

759,201.28

789,599.00

0.00

789,599.00

0.00

N/A

100.00

N/A

0.00

38,786.74

0.00

38,786.74

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

324,514,446.61

2,300,282.09

828,385.74

0.00

2,369,466.57

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

Payment

Amount

Current Period

(Shortfall) /

Recovery

Remaining Int

Carry-Forward

Shortfall

- - Accrual - -

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

Class

Method

Days

Opening Balance

Pass-Thru Rate

Accrual

Certificate

Interest

Total Interest

Additions

Total Interest

Deductions

Distribution Date: 25-May-07

Bond Interest Reconciliation - Part I

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

Page 7 of 35

23-May-2007 11:50

A-1

24-May-07

25-Apr-07

25-May-07

0.00

A-2

24-May-07

25-Apr-07

25-May-07

0.00

A-3

24-May-07

25-Apr-07

25-May-07

0.00

M-1

24-May-07

25-Apr-07

25-May-07

0.00

M-2

24-May-07

25-Apr-07

25-May-07

0.00

M-3

24-May-07

25-Apr-07

25-May-07

0.00

M-4

24-May-07

25-Apr-07

25-May-07

0.00

M-5

24-May-07

25-Apr-07

25-May-07

0.00

M-6

24-May-07

25-Apr-07

25-May-07

0.00

M-7

24-May-07

25-Apr-07

25-May-07

0.00

M-8

24-May-07

25-Apr-07

25-May-07

0.00

M-9

24-May-07

25-Apr-07

25-May-07

0.00

M-10

24-May-07

25-Apr-07

25-May-07

0.00

30-Apr-07

1-Apr-07

1-May-07

0.00

789,599.00

0.00

30-Apr-07

1-Apr-07

1-May-07

0.00

38,786.74

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

38,786.74

0.00

789,599.00

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)

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

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

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: 25-May-07

Bond Interest Reconciliation - Part II

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

Page 8 of 35

23-May-2007 11:50

A-1

180,289,000.00

165,594,346.61

107,823.07

3,648,734.65

0.00

161,837,788.89

26-Dec-36

N/A

A-2

61,828,000.00

0.00

61,828,000.00

26-Dec-36

N/A

A-3

22,184,000.00

0.00

22,184,000.00

26-Dec-36

N/A

M-1

13,957,000.00

0.00

13,957,000.00

26-Dec-36

N/A

M-2

12,897,000.00

0.00

12,897,000.00

26-Dec-36

N/A

M-3

7,950,000.00

0.00

7,950,000.00

26-Dec-36

N/A

M-4

6,890,000.00

0.00

6,890,000.00

26-Dec-36

N/A

M-5

6,360,000.00

0.00

6,360,000.00

26-Dec-36

N/A

M-6

5,830,000.00

0.00

5,830,000.00

26-Dec-36

N/A

M-7

5,830,000.00

0.00

5,830,000.00

26-Dec-36

N/A

M-8

4,770,000.00

0.00

4,770,000.00

26-Dec-36

N/A

M-9

4,947,000.00

0.00

4,947,000.00

26-Dec-36

N/A

M-10

5,477,000.00

0.00

5,477,000.00

26-Dec-36

N/A

353,343,723.06

338,648,095.53

0.00

334,891,537.81

26-Dec-36

N/A

100.00

0.00

100.00

26-Dec-36

N/A

R-1

0.00

26-Dec-36

N/A

R-2

0.00

26-Dec-36

N/A

R-3

0.00

26-Dec-36

N/A

0.00

26-Dec-36

N/A

Total

339,209,100.00

324,514,446.61

107,823.07

3,648,734.65

0.00

320,757,888.89

Rated

Final

Maturity

Original

Current

Current
Losses

Cumulative

Losses

Interest on

Losses

Ending

Class Balance

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

- Credit Support -

Class

Original Class

Balance

Beginning Class

Balance

Scheduled Principal

Payment

Unscheduled

Principal
Payment

Extra

Principal
Payment

Prior
Loss

Reimburs.

Distribution Date: 25-May-07

Bond Principal Reconciliation

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

Page 9 of 35

23-May-2007 11:50

Class

CUSIP

Fitch

Moody's

DBRS

S&P

A-1

07389VAA5

Aaa

A-2

07389VAB3

Aaa

A-3

07389VAC1

Aaa

M-1

07389VAD9

Aa1

M-2

07389VAE7

Aa2

M-3

07389VAF4

Aa3

M-4

07389VAG2

M-5

07389VAH0

M-6

07389VAJ6

M-7

07389VAK3

Baa1

M-8

07389VAL1

Baa2

M-9

07389VAM9

Baa3

M-10

07389VAN7

Ba1

7-Feb-07

07389VAU1

07389VAT4

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 - - - - - - - - - -

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

(1)

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

Fitch

Moody's

DBRS

S&P

Distribution Date: 25-May-07

Ratings Information

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

Page 10 of 35

23-May-2007 11:50

Type

Count

Count (%)

Balance

Balance (%)

Arrears

Arrears (%)

REO Book Value

921

86.9688%

289,039,573.48

85.7339%

0.00

0.0000%

0.00

6.6100%

24,113,114.30

7.1523%

0.00

0.0000%

0.00

2.9273%

11,881,812.48

3.5243%

0.00

0.0000%

0.00

90+

0.4721%

2,037,092.01

0.6042%

0.00

0.0000%

0.00

BKY0

0.0944%

415,992.93

0.1234%

0.00

0.0000%

0.00

BKY60

0.0944%

264,675.69

0.0785%

0.00

0.0000%

0.00

BKY90+

0.0944%

116,503.29

0.0346%

0.00

0.0000%

0.00

F/C90+

2.3607%

9,266,924.17

2.7487%

0.00

0.0000%

0.00

PIF

0.3777%

0.00

0.0000%

0.00

0.0000%

0.00

Total (Prior Month End):

1059

100.0000%

337,135,688.00

100.0000%

0.00

0.0000%

0.00

Delinq Total (Prior Month End):

133

12.5590%

47,680,121.00

14.1427%

0.00

0.0000%

0.00

F/C Quick Sale

Value

Total

Distribution Date: 25-May-07

End of Month Balance Reporting

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

Page 11 of 35

23-May-2007 11:50

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

25-May-07

914

286,795,423

24,113,114

11,881,812

2,037,092

797,172

9,266,924

25-Apr-07

973

308,199,441

17,167,846

9,718,863

921,647

381,299

2,258,999

26-Mar-07

1,006

320,622,728

15,760,448

4,643,770

649,695

26-Feb-07

1,055

337,411,544

9,778,427

649,753

25-May-07

87.21%

85.64%

6.68%

7.20%

2.96%

3.55%

0.48%

0.61%

0.29%

0.24%

2.39%

2.77%

0.00%

25-Apr-07

91.88%

91.01%

4.63%

5.07%

2.46%

2.87%

0.19%

0.27%

0.19%

0.11%

0.66%

0.67%

0.00%

26-Mar-07

94.11%

93.84%

4.49%

4.61%

1.22%

1.36%

0.19%

0.00%

26-Feb-07

97.24%

97.00%

2.58%

2.81%

0.18%

0.19%

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: 25-May-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-AQ1

Page 12 of 35

23-May-2007 11:50

Distribution Date: 25-May-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-AQ1

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

25-May-07

166

33,828,353

1,707,833

271,273

733,330

116,503

465,203

25-Apr-07

172

35,563,494

518,762

372,398

361,147

116,576

465,237

26-Mar-07

179

36,426,949

560,938

749,509

465,271

26-Feb-07

182

37,130,936

821,677

465,305

25-May-07

92.74%

91.13%

4.47%

4.60%

0.56%

0.73%

1.12%

1.98%

0.56%

0.31%

0.56%

1.25%

0.00%

25-Apr-07

95.56%

95.10%

2.22%

1.39%

0.56%

1.00%

0.56%

0.97%

0.56%

0.31%

0.56%

1.24%

0.00%

26-Mar-07

96.76%

95.35%

1.08%

1.47%

1.62%

1.96%

0.54%

1.22%

0.00%

26-Feb-07

97.85%

96.65%

1.61%

2.14%

0.54%

1.21%

0.00%

Fixed

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 13 of 35

23-May-2007 11:50

Distribution Date: 25-May-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-AQ1

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

25-May-07

442

153,102,973

14,589,116

6,857,507

1,119,387

6,480,211

25-Apr-07

470

164,551,154

10,399,881

6,881,460

560,500

1,209,362

26-Mar-07

482

170,462,343

10,645,706

2,950,830

26-Feb-07

510

179,962,992

6,408,560

25-May-07

85.16%

84.05%

7.51%

8.01%

3.66%

3.76%

0.39%

0.61%

0.00%

3.28%

3.56%

0.00%

25-Apr-07

90.04%

89.62%

5.56%

5.66%

3.45%

3.75%

0.19%

0.31%

0.00%

0.77%

0.66%

0.00%

26-Mar-07

92.16%

92.61%

6.31%

5.78%

1.53%

1.60%

0.00%

26-Feb-07

96.77%

96.56%

3.23%

3.44%

0.00%

228 ARM

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 14 of 35

23-May-2007 11:50

Distribution Date: 25-May-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-AQ1

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

Count

Balance

25-May-07

306

99,864,097

7,816,165

4,753,033

184,375

680,669

2,321,510

25-Apr-07

331

108,084,793

6,249,204

2,465,005

264,723

584,400

26-Mar-07

345

113,733,436

4,553,804

943,430

184,424

26-Feb-07

363

120,317,615

2,548,190

184,449

25-May-07

87.43%

86.37%

6.57%

6.76%

3.14%

4.11%

0.29%

0.16%

0.57%

0.59%

2.00%

2.01%

0.00%

25-Apr-07

92.72%

91.87%

4.48%

5.31%

1.96%

2.10%

0.00%

0.28%

0.23%

0.56%

0.50%

0.00%

26-Mar-07

95.57%

95.24%

3.60%

3.81%

0.55%

0.79%

0.28%

0.15%

0.00%

26-Feb-07

97.58%

97.78%

2.15%

2.07%

0.27%

0.15%

0.00%

327 ARM

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 15 of 35

23-May-2007 11:50

Balance

25-May-07

9,266,924

415,993

264,676

116,503

25-Apr-07

2,258,999

264,723

116,576

26-Mar-07

26-Feb-07

25-May-07

0.00%

2.39%

2.77%

0.00%

0.10%

0.12%

0.00%

0.10%

0.08%

0.10%

0.03%

25-Apr-07

0.00%

0.66%

0.67%

0.00%

0.09%

0.08%

0.00%

0.09%

0.03%

26-Mar-07

0.00%

26-Feb-07

0.00%

61-90 Days

90 + Days

Total (All Loans)

61-90 Days

90 + Days

Current

31-60 Days

- - - - - - - - - - - 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

Distribution Date: 25-May-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-AQ1

Page 16 of 35

23-May-2007 11:50

Distribution Date: 25-May-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-AQ1

Balance

25-May-07

465,203

116,503

25-Apr-07

465,237

116,576

26-Mar-07

26-Feb-07

25-May-07

0.00%

0.56%

1.25%

0.00%

0.56%

0.31%

25-Apr-07

0.00%

0.56%

1.24%

0.00%

0.56%

0.31%

26-Mar-07

0.00%

26-Feb-07

0.00%

90 + Days

Fixed

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

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

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

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

Page 17 of 35

23-May-2007 11:50

Distribution Date: 25-May-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-AQ1

Balance

25-May-07

6,480,211

25-Apr-07

1,209,362

26-Mar-07

26-Feb-07

25-May-07

0.00%

3.28%

3.56%

0.00%

25-Apr-07

0.00%

0.77%

0.66%

0.00%

26-Mar-07

0.00%

26-Feb-07

0.00%

61-90 Days

90 + Days

228 ARM

61-90 Days

90 + Days

Current

31-60 Days

- - - - - - - - - - - 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

Page 18 of 35

23-May-2007 11:50

Distribution Date: 25-May-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-AQ1

Balance

25-May-07

2,321,510

415,993

264,676

25-Apr-07

584,400

264,723

26-Mar-07

26-Feb-07

25-May-07

0.00%

2.00%

2.01%

0.00%

0.29%

0.36%

0.00%

0.29%

0.23%

0.00%

25-Apr-07

0.00%

0.56%

0.50%

0.00%

0.28%

0.23%

0.00%

26-Mar-07

0.00%

26-Feb-07

0.00%

90 + Days

327 ARM

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

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

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

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

Page 19 of 35

23-May-2007 11:50

Insurance

Substitution

Liquidation

Remaining Term

Balance

Proceeds

Amount

Life

Coupon

Remit

25-May-07

1,048

334,891,538

3,640,287

0.00

352

8.66%

8.15%

25-Apr-07

1,059

338,648,096

2,915,178

0.00

353

8.66%

8.15%

26-Mar-07

1,069

341,676,642

6,046,470

0.00

354

8.67%

8.16%

26-Feb-07

1,085

347,839,724

5,388,775

0.00

355

8.67%

8.16%

25-May-07

179

37,122,495

256,931

0.00

352

8.51%

8.00%

25-Apr-07

180

37,397,614

786,139

0.00

353

8.53%

8.02%

26-Mar-07

185

38,202,668

196,925

0.00

354

8.53%

8.03%

26-Feb-07

186

38,417,918

92,845

0.00

355

8.54%

8.03%

Curr Weighted Avg.

Total (All Loans)

Fixed

Distribution

Date

Ending Pool

Payoffs

Realized Losses

Distribution Date: 25-May-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

Page 20 of 35

23-May-2007 11:50

Distribution Date: 25-May-07

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

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

Insurance

Substitution

Liquidation

Remaining Term

Balance

Proceeds

Amount

Life

Coupon

Remit

25-May-07

519

182,149,194

1,393,200

0.00

352

8.71%

8.20%

25-Apr-07

522

183,602,357

399,726

0.00

353

8.71%

8.20%

26-Mar-07

523

184,058,880

2,255,852

0.00

354

8.71%

8.21%

26-Feb-07

527

186,371,552

3,933,859

0.00

355

8.72%

8.21%

25-May-07

350

115,619,849

1,990,156

0.00

353

8.63%

8.12%

25-Apr-07

357

117,648,124

1,729,312

0.00

354

8.64%

8.13%

26-Mar-07

361

119,415,094

3,593,693

0.00

355

8.64%

8.13%

26-Feb-07

372

123,050,254

1,362,071

0.00

356

8.64%

8.13%

Curr Weighted Avg.

228 ARM

327 ARM

Distribution

Date

Ending Pool

Payoffs

Realized Losses

Page 21 of 35

23-May-2007 11:50

SMM (Single Monthly Mortality)

Total

Current Period

1.08%

3-Month Average

1.22%

6-Month Average

1.30%

12-Month Average

1.30%

Average Since Cut-Off

1.30%

CPR (Conditional Prepayment Rate)

Total

Current Period

12.19%

3-Month Average

13.66%

6-Month Average

14.46%

12-Month Average

14.46%

Average Since Cut-Off

14.46%

PSA (Public Securities Association)

Total

Current Period

203%

3-Month Average

228%

6-Month Average

241%

12-Month Average

241%

Average Since Cut-Off

241%

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: 25-May-07

Prepayment Summary

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

0.00%

2.43%

4.86%

7.29%

9.71%

12.14%

14.57%

17.00%

Jun-06

Jul-06

Aug-06

Sep-06

Oct-06

Nov-06

Dec-06

Jan-07

Feb-07

Mar-07

Apr-07

May-07

0.00%

14.29%

28.57%

42.86%

57.14%

71.43%

85.71%

100.00%

Jun-06

Jul-06

Aug-06

Sep-06

Oct-06

Nov-06

Dec-06

Jan-07

Feb-07

Mar-07

Apr-07

May-07

229%

457%

686%

914%

1143%

1371%

1600%

Jun-06

Jul-06

Aug-06

Sep-06

Oct-06

Nov-06

Dec-06

Jan-07

Feb-07

Mar-07

Apr-07

May-07

Page 22 of 35

23-May-2007 11:50

Min

Max

Count

% of Total

Balance

% of Total

Min

Max

Count

% of Total

Balance

% of Total

49,000

123,000

103

9.83%

8,972,872

2.68%

49,000

123,000

106

9.64%

9,284,235

2.63%

123,000

157,000

7.25%

10,556,324

3.15%

123,000

158,000

7.36%

11,249,388

3.18%

157,000

191,000

8.02%

14,692,568

4.39%

158,000

193,000

7.91%

15,281,018

4.32%

191,000

225,000

8.87%

19,414,348

5.80%

193,000

228,000

101

9.18%

21,231,783

6.01%

225,000

259,000

8.40%

21,261,566

6.35%

228,000

263,000

9.00%

24,241,991

6.86%

259,000

293,000

7.54%

21,656,725

6.47%

263,000

296,000

6.82%

20,839,815

5.90%

293,000

341,000

7.44%

24,563,819

7.33%

296,000

344,000

7.73%

27,166,382

7.69%

341,000

389,000

7.82%

29,978,740

8.95%

344,000

392,000

7.64%

30,882,266

8.74%

389,000

437,000

101

9.64%

42,028,473

12.55%

392,000

440,000

105

9.55%

43,775,270

12.39%

437,000

485,000

8.78%

42,572,496

12.71%

440,000

488,000

8.82%

44,971,256

12.73%

485,000

535,000

6.49%

34,608,955

10.33%

488,000

536,000

6.27%

35,219,629

9.97%

535,000

847,000

104

9.92%

64,584,652

19.29%

536,000

848,000

111

10.09%

69,200,689

19.58%

1,048

100.00%

334,891,538

100.00%

1,100

100.00%

353,343,723

100.00%

Min

Max

Count

% of Total

Balance

% of Total

Min

Max

Count

% of Total

Balance

% of Total

6.38%

7.59%

9.16%

37,216,740

11.11%

6.38%

7.59%

9.00%

38,453,051

10.88%

7.59%

7.81%

8.40%

35,559,171

10.62%

7.59%

7.81%

8.09%

35,748,834

10.12%

7.81%

8.03%

109

10.40%

40,478,606

12.09%

7.81%

8.03%

115

10.45%

42,527,468

12.04%

8.03%

8.25%

6.01%

21,535,933

6.43%

8.03%

8.25%

6.36%

24,587,004

6.96%

8.25%

8.47%

5.25%

19,430,346

5.80%

8.25%

8.47%

5.27%

20,830,170

5.90%

8.47%

8.70%

122

11.64%

37,450,698

11.18%

8.47%

8.70%

125

11.36%

38,334,323

10.85%

8.70%

8.97%

9.16%

31,987,794

9.55%

8.70%

8.98%

100

9.09%

33,161,479

9.39%

8.97%

9.23%

7.44%

22,402,138

6.69%

8.98%

9.27%

9.00%

28,621,919

8.10%

9.23%

9.50%

6.97%

19,625,160

5.86%

9.27%

9.55%

5.91%

17,517,105

4.96%

9.50%

9.77%

6.39%

17,777,539

5.31%

9.55%

9.83%

7.18%

21,825,005

6.18%

9.77%

10.09%

8.40%

24,070,207

7.19%

9.83%

10.13%

8.27%

24,685,570

6.99%

10.09%

12.70%

113

10.78%

27,357,205

8.17%

10.13%

12.70%

110

10.00%

27,051,794

7.66%

1,048

100.00%

334,891,538

100.00%

1,100

100.00%

353,343,723

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: 25-May-07

Mortgage Loan Characteristics Part I

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

Page 23 of 35

23-May-2007 11:50

869

297,769,043

88.92%

352.47

8.68%

913

314,814,515

89.10%

360.00

8.69%

179

37,122,495

11.08%

351.74

8.50%

187

38,529,208

10.90%

359.15

8.54%

1,048

334,891,538

100.00%

1,100

353,343,723

100.00%

754

237,816,090

71.01%

352.37

8.61%

795

252,185,548

71.37%

359.87

8.63%

121

42,347,702

12.65%

352.48

8.62%

123

43,084,555

12.19%

360.00

8.62%

28,701,927

8.57%

352.45

8.84%

30,131,184

8.53%

360.00

8.78%

26,025,820

7.77%

352.39

8.94%

101

27,942,436

7.91%

360.00

9.02%

1,048

334,891,538

100.00%

1,100

353,343,723

100.00%

Total

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

Distribution by Product Characteristics (Cut-off)

Product Type

# of Loans

Original Principal

Balance

% of

Balance

WAMM

WAC

Total

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

Distribution by Product Characteristics (Current)

Product Type

# of

Loans

Ending Balance

% of

Balance

WAMM

WAC

Adjustable

Distribution Date: 25-May-07

Mortgage Loan Characteristics Part II

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

Page 24 of 35

23-May-2007 11:50

Distribution Date: 25-May-07

Mortgage Loan Characteristics Part II

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

917

304,350,378

90.88%

352.42

8.64%

964

321,329,742

90.94%

359.90

8.65%

117

26,950,940

8.05%

352.09

8.87%

121

28,296,820

8.01%

360.00

8.90%

3,590,220

1.07%

351.92

8.32%

3,717,161

1.05%

360.00

8.36%

1,048

334,891,538

100.00%

1,100

353,343,723

100.00%

784

262,831,014

78.48%

352.32

8.43%

829

279,193,827

79.01%

359.88

8.45%

247

68,688,966

20.51%

352.62

9.51%

254

70,773,522

20.03%

360.00

9.52%

3,371,557

1.01%

352.81

9.02%

3,376,373

0.96%

360.00

9.02%

1,048

334,891,538

100.00%

1,100

353,343,723

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 25 of 35

23-May-2007 11:50

Distribution Date: 25-May-07

Mortgage Loan Characteristics Part II

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

1,048

334,891,538

100.00%

352.39

8.66%

1,100

353,343,723

100.00%

359.91

8.67%

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

Ameriquest

Page 26 of 35

23-May-2007 11:50

WAMM

WAC

California

228

107,401,872

32.07%

353

8.46%

Florida

145

38,022,795

11.35%

352

8.97%

New York

37,012,750

11.05%

352

8.48%

Illinois

123

34,332,198

10.25%

353

9.03%

New Jersey

24,219,964

7.23%

352

8.56%

Maryland

18,657,051

5.57%

353

8.23%

Arizona

9,530,813

2.85%

352

8.92%

Massachusetts

6,922,784

2.07%

353

8.55%

Nevada

6,608,962

1.97%

353

8.56%

Pennsylvania

6,232,995

1.86%

352

9.03%

Remaining

231

45,949,352

13.72%

352

8.87%

WAMM

WAC

California

237

112,397,726

31.81%

360

8.51%

New York

41,216,493

11.66%

360

8.45%

Florida

147

38,842,354

10.99%

360

8.96%

Illinois

138

38,730,148

10.96%

360

9.03%

New Jersey

25,678,833

7.27%

359

8.54%

Maryland

19,253,866

5.45%

360

8.24%

Arizona

9,544,879

2.70%

360

8.92%

Massachusetts

6,933,133

1.96%

360

8.55%

Nevada

6,873,817

1.95%

360

8.61%

Pennsylvania

6,484,912

1.84%

360

9.03%

Remaining

238

47,387,562

13.41%

360

8.87%

(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: 25-May-07

Geographic Concentration

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

Top 10 Current State Concentration

California

Illinois

New York

Florida

Pennsylvania

Nevada

Massachusetts

Arizona

Maryland

New Jersey

Remaining

Page 27 of 35

23-May-2007 11:50

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: 25-May-07

Current Period Realized Loss Detail

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

Page 28 of 35

23-May-2007 11:50

Distribution Date

Beginning Scheduled

Balance

Net Liquidation

Proceeds

Realized Loss

Loan Count

Realized Loss

Adjusted

Cumulative

Realized Loss

Amount

Count

Amount

Count

Amount

Count

25-May-07

0.00

45.00

25-Apr-07

0.00

(45.00)

45.00

26-Mar-07

0.00

26-Feb-07

0.00

Total

0.00

(45.00)

45.00

Total (All Loans)

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

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

Claims on Prior

Liquidations

Recovery on Prior

Liquidations

(Claims)/Recoveries on

Prior Payoffs

Distribution Date: 25-May-07

Historical Realized Loss Summary

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

Page 29 of 35

23-May-2007 11:51

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: 25-May-07

Realized Loss Summary

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

0.00%

0.86%

1.71%

2.57%

3.43%

4.29%

5.14%

6.00%

Jun-06

Jul-06

Aug-06

Sep-06

Oct-06

Nov-06

Dec-06

Jan-07

Feb-07

Mar-07

Apr-07

May-07

0.00%

7.14%

14.29%

21.43%

28.57%

35.71%

42.86%

50.00%

Jun-06

Jul-06

Aug-06

Sep-06

Oct-06

Nov-06

Dec-06

Jan-07

Feb-07

Mar-07

Apr-07

May-07

286%

571%

857%

1143%

1429%

1714%

2000%

Jun-06

Jul-06

Aug-06

Sep-06

Oct-06

Nov-06

Dec-06

Jan-07

Feb-07

Mar-07

Apr-07

May-07

Page 30 of 35

23-May-2007 11:51

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: 25-May-07

Material Breaches Detail

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

Page 31 of 35

23-May-2007 11:51

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: 25-May-07

Modified Loan Detail

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

Page 32 of 35

23-May-2007 11:51

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: 25-May-07

Historical Collateral Level REO Report

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

Page 33 of 35

23-May-2007 11:51

Substitution Code

- - - Loans Substituted Into Pool - - -

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

Investor #

Period

Beginning Principal Balance

Investor #

Period

Beginning Principal

Balance

Adjusted for Principal

Distribution Date: 25-May-07

Substitution Detail History

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

Page 34 of 35

23-May-2007 11:51

- - - Loans Substituted Into Pool - - -

- - - Loans Substituted Out of Pool - - -

Period

Count

Beginning Principal Balance

Count

Beginning Principal Balance

Adjusted for Principal

Difference Into vs. Out

Distribution Date: 25-May-07

Substitution Detail History Summary

Bear Stearns Asset Backed Securities I Trust

Asset-Backed Certificates

Series 2007-AQ1

Page 35 of 35

23-May-2007 11:51

BEAR STEARNS ASSET BACKED SECURITIES I TRUST 2007-AQ1 10-D