UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) ~~September~~December 27, 2004

Bear Stearns Asset Backed Securities I LLC
(Exact name of registrant as specified in its charter)

Delaware
(State or other jurisdiction
of incorporation)

333-113636
(Commission
File Number)

20-0842986
(IRS Employer
Identification No.)

383 Madison Avenue, New York, New York
(Address of principal executive offices)

10179
(Zip Code)

Registrant's telephone number, including area code 212-272-2000

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Section 8 - Other Events

Item 8.01. Other Events.

This current report on Form 8-K relates to the monthly distribution reported to the holders of Bear Stearns Asset Backed Securities I Trust 2004-HE4, Asset-Backed Certificates, Series 2004-HE4, which was made on ~~September~~December 27, 2004.

Section 9 - Financial Statements and Exhibits

Item 9.01 Financial Statements and Exhibits.

99.1 Monthly distribution reports pursuant to Section 5.05 of the Pooling and Servicing Agreement for the distribution on ~~September~~December 27, 2004.

(Exhibit No. Description)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

LASALLE BANK NATIONAL ASSOCIATION, IN ITS CAPACITY AS TRUSTEE UNDER THE POOLING AND SERVICING AGREEMENT ON BEHALF OF BEAR STEARNS ASSET BACKED SECURITIES I LLC, REGISTRANT

By: /s/ Russell Goldenberg Russell Goldenberg Group Senior Vice President Date: ~~September~~December 3029, 2004

Bear Stearns Asset Backed Securities Trust Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Reporting Package Table of Contents Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Administrator:Megan Olson 312.904.6709megan.olson@abnamro.com Analyst:Vamsi Kaipa 714.259.6252 vamsi.kaipa@abnamro.com Statement Date: 135 S. LaSalle Street, Suite 1625Chicago, IL 60603USA Statements to CertificateholdersCash Reconciliation SummaryBond Interest ReconciliationShortfall Summary Report Rating Information Asset-Backed Facts ~ 15 Month Loan Status Summary Part IAsset-Backed Facts ~ 15 Month Loan Status Summary Part II Asset-Backed Facts ~ 15 Month Loan Payoff/Loss SummaryRealized Loss Detail Page 2-5Page 6-11Page 12Page 13 Page 14 Page 15-20Page 21-26 Page 27-32Page 33 Page(s) Information is available for this issue from the following sources Issue Id: Monthly Data FileName: BS004HE4 BS004HE4_200409_3.ZIP Closing Date: First Payment Date: Rated Final Payment: Date: 27-May-0425-Jun-04 26-Jun-34 Parties to The Transaction Issuer: Bear Stearns & Co. Inc. Underwriter: Bear Stearns & Co. Inc. Master Servicer: EMC Mortgage Corporation Rating Agency: Standard & Poor's/Moody's Investors Service, Inc. 800.246.5761 LaSalle Factor Line LaSalle Web Site Servicer Web Site www.emcmortgagecorp.com www.etrustee.net Page 1 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Class CUSIP Original Opening Principal Principal Negative Closing Interest Interest Pass-Through Per $ 1000 Per $ 1000 Per $ 1000 Per $ 1000 Per $ 1000 Per $ 1000 Per $ 1000 Next Rate(3) WAC:WAMM:Current Index:Next Index: Payment Date:Prior Payment:Next Payment:Record Date: 7.514532% 1.615000%1.840000% 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Bear Stearns Asset Backed Securities Trust Asset-Backed Certificates Series 2004-HE4 Face Value (1) Balance Payment Adj. or Loss Amortization Balance Payment (2) Adjustment Rate 350 REMIC II Statement Date: ABN AMRO Acct: 721825.3 908.219882459 54.987408098 0.000000000 853.232474361 1.490237423 2.015000000% 0.00 0.00 0.000000000 1.79000000% 0.000000000 073879AW8 A-1 128,126,000.00 116,366,580.66 7,045,316.65 0.00 109,321,264.01 190,938.16 908.219882400 54.987408133 0.000000000 853.232474267 1.760811333 2.340000000% 0.00 0.00 0.000000000 2.11500000% 0.000000000 073879AX6 A-2 75,000,000.00 68,116,491.18 4,124,055.61 0.00 63,992,435.57 132,060.85 1000.000000000 0.000000000 0.000000000 1000.000000000 1.957083284 2.360000000% 0.00 0.00 0.000000000 2.13500000% 0.000000000 073879AY4 A-3 33,884,000.00 33,884,000.00 0.00 0.00 33,884,000.00 66,313.81 1000.000000000 0.000000000 0.000000000 1000.000000000 1.984583146 2.390000000% 0.00 0.00 0.000000000 2.16500000% 0.000000000 073879AZ1 M-1 17,776,000.00 17,776,000.00 0.00 0.00 17,776,000.00 35,277.95 1000.000000000 0.000000000 0.000000000 1000.000000000 2.626250352 3.090000000% 0.00 0.00 0.000000000 2.86500000% 0.000000000 073879BA5 M-2 14,220,000.00 14,220,000.00 0.00 0.00 14,220,000.00 37,345.28 1000.000000000 0.000000000 0.000000000 1000.000000000 2.901251125 3.390000000% 0.00 0.00 0.000000000 3.16500000% 0.000000000 073879BB3 M-3 4,444,000.00 4,444,000.00 0.00 0.00 4,444,000.00 12,893.16 1000.000000000 0.000000000 0.000000000 1000.000000000 3.313749616 3.840000000% 0.00 0.00 0.000000000 3.61500000% 0.000000000 073879BC1 M-4 3,259,000.00 3,259,000.00 0.00 0.00 3,259,000.00 10,799.51 1000.000000000 0.000000000 0.000000000 1000.000000000 3.634582278 4.190000000% 0.00 0.00 0.000000000 3.96500000% 0.000000000 073879BD9 M-5 3,555,000.00 3,555,000.00 0.00 0.00 3,555,000.00 12,920.94 1000.000000000 0.000000000 0.000000000 1000.000000000 5.147084036 5.840000000% 0.00 0.00 0.000000000 5.61500000% 0.000000000 073879BE7 M-6 2,963,000.00 2,963,000.00 0.00 0.00 2,963,000.00 15,250.81 1000.000000000 0.000000000 0.000000000 1000.000000000 5.147083646 5.840000000% 0.00 0.00 0.000000000 5.61500000% 0.000000000 073879BF4 M-7 5,332,000.00 5,332,000.00 0.00 0.00 5,332,000.00 27,444.25 1000.000000000 0.000000000 0.000000000 1000.000000000 140.223457486 0.00 0.00 0.000000000 N/A 0.000000000 073879BH0 CE 7,702,986.50 7,702,986.50 0.00 0.00 7,702,986.50 1,080,139.40 1000.000000000 0.000000000 0.000000000 1000.000000000 2538881.300000000 0.00 253,888.13 2538881.300000000 N/A 0.000000000 N 073879BG2 P 100.00 100.00 0.00 0.00 100.00 253,888.13 0.000000000 0.000000000 0.000000000 0.000000000 0.000000000 0.00 0.00 0.000000000 N/A 0.000000000 073879BJ6 R-I 0.00 0.00 0.00 0.00 0.00 0.00 0.000000000 0.000000000 0.000000000 0.000000000 0.000000000 0.00 0.00 0.000000000 N/A 0.000000000 073879BK3 R-II 0.00 0.00 0.00 0.00 0.00 0.00 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Page 2 of 33 Notes: (1) N denotes notional balance not included in total (2) Accrued Interest Plus/Minus Interest Adjustment Minus Deferred Interest equals Interest Payment (3) Estimated. * Denotes Controlling Class Class CUSIP Original Opening Principal Principal Negative Closing Interest Interest Pass-Through Per $ 1000 Per $ 1000 Per $ 1000 Per $ 1000 Per $ 1000 Per $ 1000 Per $ 1000 Next Rate(3) WAC:WAMM:Current Index:Next Index: Payment Date:Prior Payment:Next Payment:Record Date: 7.514532% 1.615000%1.840000% 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Bear Stearns Asset Backed Securities Trust Asset-Backed Certificates Series 2004-HE4 Face Value (1) Balance Payment Adj. or Loss Amortization Balance Payment (2) Adjustment Rate 350 REMIC II Statement Date: ABN AMRO Acct: 721825.3 Total P&I Payment 0.00 253,888.13 296,261,986.50 277,619,058.34 13,044,644.51 Total 266,449,686.08 11,169,372.26 0.00 1,875,272.25 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Page 3 of 33 Notes: (1) N denotes notional balance not included in total (2) Accrued Interest Plus/Minus Interest Adjustment Minus Deferred Interest equals Interest Payment (3) Estimated. * Denotes Controlling Class Class CUSIP Original Opening Principal Principal Negative Closing Interest Interest Pass-Through Per $ 1000 Per $ 1000 Per $ 1000 Per $ 1000 Per $ 1000 Per $ 1000 Per $ 1000 Next Rate(3) WAC:WAMM:Current Index:Next Index: Payment Date:Prior Payment:Next Payment:Record Date: 7.514532% 1.615000%1.840000% 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Bear Stearns Asset Backed Securities Trust Asset-Backed Certificates Series 2004-HE4 Face Value (1) Balance Payment Adj. or Loss Amortization Balance Payment (2) Adjustment Rate 350 REMIC III Statement Date: ABN AMRO Acct: 721825.3 1000.000000000 0.000000000 0.000000000 1000.000000000 140.223457486 0.00 1,080,139.40 140.223457486 N/A 0.000000000 073879BH0 CE 7,702,986.50 7,702,986.50 0.00 0.00 7,702,986.50 1,080,139.40 0.000000000 0.000000000 0.000000000 0.000000000 0.000000000 0.00 0.00 0.000000000 N/A 0.000000000 9ABSQ805 R-III 0.00 0.00 0.00 0.00 0.00 0.00 Total P&I Payment 0.00 1,080,139.40 7,702,986.50 7,702,986.50 1,080,139.40 Total 7,702,986.50 0.00 0.00 1,080,139.40 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Page 4 of 33 Notes: (1) N denotes notional balance not included in total (2) Accrued Interest Plus/Minus Interest Adjustment Minus Deferred Interest equals Interest Payment (3) Estimated. * Denotes Controlling Class Class CUSIP Original Opening Principal Principal Negative Closing Interest Interest Pass-Through Per $ 1000 Per $ 1000 Per $ 1000 Per $ 1000 Per $ 1000 Per $ 1000 Per $ 1000 Next Rate(3) WAC:WAMM:Current Index:Next Index: Payment Date:Prior Payment:Next Payment:Record Date: 7.514532% 1.615000%1.840000% 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Bear Stearns Asset Backed Securities Trust Asset-Backed Certificates Series 2004-HE4 Face Value (1) Balance Payment Adj. or Loss Amortization Balance Payment (2) Adjustment Rate 350 Trust Calculation Statement Date: ABN AMRO Acct: 721825.3 1000.000000000 0.000000000 0.000000000 1000.000000000 2538881.300000000 0.00 253,888.13 2538881.300000000 N/A 0.000000000 073879BG2 P 100.00 100.00 0.00 0.00 100.00 253,888.13 0.000000000 0.000000000 0.000000000 0.000000000 0.000000000 0.00 0.00 0.000000000 N/A 0.000000000 073879BL1 R-X 0.00 0.00 0.00 0.00 0.00 0.00 Total P&I Payment 0.00 253,888.13 100.00 100.00 253,888.13 Total 100.00 0.00 0.00 253,888.13 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Page 5 of 33 Notes: (1) N denotes notional balance not included in total (2) Accrued Interest Plus/Minus Interest Adjustment Minus Deferred Interest equals Interest Payment (3) Estimated. * Denotes Controlling Class Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Statement Date: Cash Reconciliation Summary Interest Summary Total Trustee Fees Available Interest 1,875,272.25 Fee Summary Total Servicing Fees Principal Summary Scheduled Principal Distribution Unscheduled: Curtailments Prepayments in Full Liquidation Proceeds Repurchase Proceeds Other Principal Proceeds Unscheduled Principal Distribution Remittance Principal Servicer Wire Amount 209,833.98 6,853.02 10,952,685.26 0.000.000.00 13,046,055.74 Pool Balance Summary Beginning PoolScheduled Principal Distribution Unscheduled PrincipalDistribution Deferred InterestLiquidationsRepurchasesEnding Pool Balance/Amount Count 277,619,058.34 209,833.98 10,959,538.28 0.000.000.00 266,449,686.08 1,787 51 00 1,736 106,051.79 Extra Principal Trigger Event No 0.00 11,169,372.26 Over Collateralization Amt 7,702,986.50 Less Extra Principal Remittance Interest 0.00 1,875,272.25 0.00 10,959,538.28 Less Mod Losses Interest Due Trust Total Trustee Fees ) (1,411.23 1,876,683.48 Total Fees 107,463.02 Insurance Premium Reimbursement Amt Class II-A Policy - InterestClass II-A Policy - PrincipalOther Total Reimbursement Amt Rolling 3-Month Delinquency % 1.70 0 0.00 1,411.23 LPMI Fees 0.00 0.000.000.00 0.00 Page 6 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Statement Date: Cash Reconciliation Summary First Lien Interest Summary Total Trustee Fees Available Interest 1,744,572.85 Fee Summary Total Servicing Fees Principal Summary Scheduled Principal Distribution Unscheduled: Curtailments Prepayments in Full Liquidation Proceeds Repurchase Proceeds Other Principal Proceeds Unscheduled Principal Distribution Remittance Principal Servicer Wire Amount 203,726.39 8,254.29 10,600,165.40 0.000.000.00 12,558,060.48 Pool Balance Summary Beginning PoolScheduled Principal Distribution Unscheduled PrincipalDistribution Deferred InterestLiquidationsRepurchasesEnding Pool Balance/Amount Count 263,911,037.80 203,726.39 10,608,419.69 0.000.000.00 253,098,891.72 1,545 46 00 1,499 100,474.93 Extra Principal Trigger Event No 0.00 10,812,146.08 Over Collateralization Amt 7,702,986.50 Less Extra Principal Remittance Interest 0.00 1,744,572.85 0.00 10,608,419.69 Less Mod Losses Interest Due Trust Total Trustee Fees ) (1,341.55 1,745,914.40 Total Fees 101,816.47 Insurance Premium Reimbursement Amt Class II-A Policy - InterestClass II-A Policy - PrincipalOther Total Reimbursement Amt Rolling 3-Month Delinquency % 1.70 0 0.00 1,341.55 LPMI Fees 0.00 0.000.000.00 0.00 Page 7 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Statement Date: Cash Reconciliation Summary Second Lien Interest Summary Total Trustee Fees Available Interest 130,710.55 Fee Summary Total Servicing Fees Principal Summary Scheduled Principal Distribution Unscheduled: Curtailments Prepayments in Full Liquidation Proceeds Repurchase Proceeds Other Principal Proceeds Unscheduled Principal Distribution Remittance Principal Servicer Wire Amount 6,107.59 ) (1,401.27 352,519.86 0.000.000.00 488,006.41 Pool Balance Summary Beginning PoolScheduled Principal Distribution Unscheduled PrincipalDistribution Deferred InterestLiquidationsRepurchasesEnding Pool Balance/Amount Count 13,708,020.54 6,107.59 351,118.59 0.000.000.00 13,350,794.36 242 5 00 237 5,576.86 Extra Principal Trigger Event No 0.00 357,226.18 Over Collateralization Amt 7,702,986.50 Less Extra Principal Remittance Interest 0.00 130,710.55 0.00 351,118.59 Less Mod Losses Interest Due Trust Total Trustee Fees ) (69.68 130,780.23 Total Fees 5,646.54 Insurance Premium Reimbursement Amt Class II-A Policy - InterestClass II-A Policy - PrincipalOther Total Reimbursement Amt Rolling 3-Month Delinquency % 1.70 0 0.00 69.68 LPMI Fees 0.00 0.000.000.00 0.00 Page 8 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Statement Date: Cash Reconciliation Summary Fixed Loans Interest Summary Total Trustee Fees Available Interest 506,812.87 Fee Summary Total Servicing Fees Principal Summary Scheduled Principal Distribution Unscheduled: Curtailments Prepayments in Full Liquidation Proceeds Repurchase Proceeds Other Principal Proceeds Unscheduled Principal Distribution Remittance Principal Servicer Wire Amount 66,355.51 3,448.42 2,134,201.22 0.000.000.00 2,711,197.88 Pool Balance Summary Beginning PoolScheduled Principal Distribution Unscheduled PrincipalDistribution Deferred InterestLiquidationsRepurchasesEnding Pool Balance/Amount Count 74,727,554.57 66,355.51 2,137,649.64 0.000.000.00 72,523,549.42 650 17 00 633 29,855.27 Extra Principal Trigger Event No 0.00 2,204,005.15 Over Collateralization Amt 7,702,986.50 Less Extra Principal Remittance Interest 0.00 506,812.87 0.00 2,137,649.64 Less Mod Losses Interest Due Trust Total Trustee Fees ) (379.87 507,192.73 Total Fees 30,235.14 Insurance Premium Reimbursement Amt Class II-A Policy - InterestClass II-A Policy - PrincipalOther Total Reimbursement Amt Rolling 3-Month Delinquency % 1.70 0 0.00 379.87 LPMI Fees 0.00 0.000.000.00 0.00 Page 9 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Statement Date: Cash Reconciliation Summary 228 ARM Loans Interest Summary Total Trustee Fees Available Interest 1,323,975.29 Fee Summary Total Servicing Fees Principal Summary Scheduled Principal Distribution Unscheduled: Curtailments Prepayments in Full Liquidation Proceeds Repurchase Proceeds Other Principal Proceeds Unscheduled Principal Distribution Remittance Principal Servicer Wire Amount 135,755.91 3,324.37 8,818,484.04 0.000.000.00 10,282,527.58 Pool Balance Summary Beginning PoolScheduled Principal Distribution Unscheduled PrincipalDistribution Deferred InterestLiquidationsRepurchasesEnding Pool Balance/Amount Count 194,353,532.93 135,755.91 8,821,808.41 0.000.000.00 185,395,968.61 1,096 34 00 1,062 72,639.02 Extra Principal Trigger Event No 0.00 8,957,564.32 Over Collateralization Amt 7,702,986.50 Less Extra Principal Remittance Interest 0.00 1,323,975.29 0.00 8,821,808.41 Less Mod Losses Interest Due Trust Total Trustee Fees ) (987.96 1,324,963.26 Total Fees 73,626.99 Insurance Premium Reimbursement Amt Class II-A Policy - InterestClass II-A Policy - PrincipalOther Total Reimbursement Amt Rolling 3-Month Delinquency % 1.70 0 0.00 987.96 LPMI Fees 0.00 0.000.000.00 0.00 Page 10 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Statement Date: Cash Reconciliation Summary 327 ARM Loans Interest Summary Total Trustee Fees Available Interest 44,495.24 Fee Summary Total Servicing Fees Principal Summary Scheduled Principal Distribution Unscheduled: Curtailments Prepayments in Full Liquidation Proceeds Repurchase Proceeds Other Principal Proceeds Unscheduled Principal Distribution Remittance Principal Servicer Wire Amount 7,722.56 80.23 0.000.000.000.00 52,341.43 Pool Balance Summary Beginning PoolScheduled Principal Distribution Unscheduled PrincipalDistribution Deferred InterestLiquidationsRepurchasesEnding Pool Balance/Amount Count 8,537,970.84 7,722.56 80.23 0.000.000.00 8,530,168.05 41 0 00 41 3,557.49 Extra Principal Trigger Event No 0.00 7,802.79 Over Collateralization Amt 7,702,986.50 Less Extra Principal Remittance Interest 0.00 44,495.24 0.00 80.23 Less Mod Losses Interest Due Trust Total Trustee Fees ) (43.40 44,538.64 Total Fees 3,600.89 Insurance Premium Reimbursement Amt Class II-A Policy - InterestClass II-A Policy - PrincipalOther Total Reimbursement Amt Rolling 3-Month Delinquency % 1.70 0 0.00 43.40 LPMI Fees 0.00 0.000.000.00 0.00 Page 11 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Bear Stearns Asset Backed Securities Trust Class Accrued Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-0424-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Bond Interest Reconciliation Prior Other Additions Interest Losses Current Cumulative Accrual Risk Carry- Fwd Amt Interest Interest Payment Amount Interest Certificate Interest Losses Shortfall Int. Carry- Proceeds Risk Carry- Certificate Agreement Amt Deposited From YM Method Days Basis Remaining Statement Date: Distributable Prior Applied Realized Remaining Int. Carry- forward Amt Principal Principal Extra Prepayments Shortfalls Net Cap RateY/N 0.00 0.00 A-1 33 190,938.16 0.00 190,938.16 190,938.16 Act/360 0.00 0.00 0.00 6,912,959.45 N 0.00 0.00 0.00 0.00 0.00 0.00 A-2 33 132,060.85 0.00 132,060.85 132,060.85 Act/360 0.00 0.00 0.00 4,046,578.83 N 0.00 0.00 0.00 0.00 0.00 0.00 A-3 33 66,313.81 0.00 66,313.81 66,313.81 Act/360 0.00 0.00 0.00 0.00 N 0.00 0.00 0.00 0.00 0.00 0.00 M-1 33 35,277.95 0.00 35,277.95 35,277.95 Act/360 0.00 0.00 0.00 0.00 N 0.00 0.00 0.00 0.00 0.00 0.00 M-2 33 37,345.28 0.00 37,345.28 37,345.28 Act/360 0.00 0.00 0.00 0.00 N 0.00 0.00 0.00 0.00 0.00 0.00 M-3 33 12,893.16 0.00 12,893.16 12,893.16 Act/360 0.00 0.00 0.00 0.00 N 0.00 0.00 0.00 0.00 0.00 0.00 M-4 33 10,799.51 0.00 10,799.51 10,799.51 Act/360 0.00 0.00 0.00 0.00 N 0.00 0.00 0.00 0.00 0.00 0.00 M-5 33 12,920.94 0.00 12,920.94 12,920.94 Act/360 0.00 0.00 0.00 0.00 N 0.00 0.00 0.00 0.00 0.00 0.00 M-6 33 15,250.81 0.00 15,250.81 15,250.81 Act/360 0.00 0.00 0.00 0.00 N 0.00 0.00 0.00 0.00 0.00 0.00 M-7 33 27,444.25 0.00 27,444.25 27,444.25 Act/360 0.00 0.00 0.00 0.00 N 0.00 0.00 0.00 0.00 0.00 0.00 CE 30 1,080,139.40 0.00 1,080,139.40 1,080,139.40 0.00 0.00 0.00 0.00 N 0.00 0.00 0.00 0.00 0.00 0.00 P 30 0.00 0.00 253,888.13 253,888.13 0.00 0.00 0.00 0.00 N 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1,621,384.12 1,875,272.25 1,875,272.25 0.00 0.00 0.00 10,959,538.28 0.00 0.00 0.00 0.00 (2) Principal Prepayments include the Extra Principal Amount 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Page 12 of 33 (1) Other Interest Proceeds are additional interest amounts specifically allocated to the bond(s) and used in determining the bonds Distributable Interest. Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-0424-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Interest Adjustments Summary Statement Date: 0.00 0.00 0.00 0.00 Special Servicing Fees Workout Fees Liquidation Fees Legal Fees 0.00 11.15 Misc. Fees & Expenses Paid by/to Servicer Interest Paid to Servicer on Outstanding Advances 0.00 0.00 ASER Interest Advance Reduction Interest Not Advanced (Current Period) Recoup of Prior Advances by Servicer 0.00 0.00 Servicing Fees Paid Servicer on Loans Not Advanced Misc. Fees & Expenses Paid by Trust 0.00 0.00 0.00 Shortfall Due to Rate Modification Total Shortfall Allocated to the Bonds Total Interest Adjustment to the Bonds 11.15 Shortfall Allocated to the Bonds: Excess Allocated to the Bonds: Other Interest Proceeds Due the Bonds Yield Maintenance Penalties Due the Bonds Prepayment Penalties Due the Bonds Recovered ASER Interest Due the Bonds Recovered Interest Due the Bonds Less Total Shortfall Allocated to the Bonds Total Excess Allocated to the Bonds 253,888.13 253,888.13 Total Excess Allocated to the Bonds 253,876.98 ) (11.15 Aggregate Interest Adjustment Allocated to the Bonds 0.00 253,888.13 0.00 0.00 Prepayment Interest Excess Due the Bonds 0.00 ARD Excess Interest 0.00 0.00 0.00 Net Prepayment Int. Shortfalls Allocated to the Bonds Other Interest Loss Page 13 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Rating Information Class CUSIP Fitch Moody's S&P Fitch Moody's S&P Original Ratings Rating Change/Change Date(1) Statement Date: R-I 073879BJ6 NR NR NR A-1 073879AW8 NR Aaa AAA A-2 073879AX6 NR Aaa AAA A-3 073879AY4 NR Aaa AAA M-1 073879AZ1 NR Aa2 AA+ M-2 073879BA5 NR A2 AA- M-3 073879BB3 NR A3 A+ M-4 073879BC1 NR Baa1 A M-5 073879BD9 NR Baa2 A- M-6 073879BE7 NR Baa3 BBB+ M-7 073879BF4 NR NR NR R-II 073879BK3 NR NR NR R-III 9ABSQ805 NR NR NR R-X 073879BL1 NR NR NR Page 14 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. 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 havechanged during the 30 day window, or may not be being provided by the rating agency in an electronic format and therefore not being updated onthis report, LaSalle recommends that investors obtain current rating information directly from the rating agency. Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part I Distribution Date REO # Balance Statement Date: Foreclosure Delinq 3+ Months Delinq 2 Months Delinq 1 Month Current # Balance # Balance # Balance # Balance # Balance Delinquency Aging Categories 2.36% 2.13% 1.56% 1.97% 3 0.17% 592,283 0.22% 0.69% 0.88% 0.00% 0.00% 27-Sep-04 41 5,682,159 27 5,247,776 12 2,334,454 0 0 1,653 252,593,014 95.22% 94.80% 2.29% 2.46% 0.95% 1.17% 0 0.00% 0 0.00% 0.00% 0.00% 0.00% 0.00% 25-Aug-04 41 6,834,251 17 3,246,555 0 0 0 0 1,729 267,538,253 96.75% 96.37% 1.64% 1.94% 0.00% 0.00% 0 0.00% 0 0.00% 0.00% 0.00% 0.00% 0.00% 26-Jul-04 30 5,537,762 0 0 0 0 0 0 1,794 280,046,267 98.36% 98.06% 0.11% 0.07% 0.00% 0.00% 0 0.00% 0 0.00% 0.00% 0.00% 0.00% 0.00% 25-Jun-04 2 208,210 0 0 0 0 0 0 1,843 290,241,971 99.89% 99.93% Page 15 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part I Distribution Date REO # Balance Statement Date: Foreclosure Delinq 3+ Months Delinq 2 Months Delinq 1 Month Current # Balance # Balance # Balance # Balance # Balance Delinquency Aging Categories First Lien 2.27% 2.04% 1.33% 1.79% 3 0.20% 592,283 0.23% 0.80% 0.92% 0.00% 0.00% 27-Sep-04 34 5,151,399 20 4,541,174 12 2,334,454 0 0 1,430 240,479,582 95.40% 95.01% 1.94% 2.24% 1.04% 1.18% 0 0.00% 0 0.00% 0.00% 0.00% 0.00% 0.00% 25-Aug-04 30 5,916,286 16 3,121,783 0 0 0 0 1,499 254,872,969 97.02% 96.58% 1.71% 1.93% 0.00% 0.00% 0 0.00% 0 0.00% 0.00% 0.00% 0.00% 0.00% 26-Jul-04 27 5,251,178 0 0 0 0 0 0 1,551 266,434,064 98.29% 98.07% 0.13% 0.08% 0.00% 0.00% 0 0.00% 0 0.00% 0.00% 0.00% 0.00% 0.00% 25-Jun-04 2 208,210 0 0 0 0 0 0 1,595 276,211,302 99.87% 99.92% Page 16 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part I Distribution Date REO # Balance Statement Date: Foreclosure Delinq 3+ Months Delinq 2 Months Delinq 1 Month Current # Balance # Balance # Balance # Balance # Balance Delinquency Aging Categories Second Lien 2.95% 3.98% 2.95% 5.29% 0 0.00% 0 0.00% 0.00% 0.00% 0.00% 0.00% 27-Sep-04 7 530,760 7 706,602 0 0 0 0 223 12,113,432 94.09% 90.73% 4.55% 6.70% 0.41% 0.91% 0 0.00% 0 0.00% 0.00% 0.00% 0.00% 0.00% 25-Aug-04 11 917,964 1 124,773 0 0 0 0 230 12,665,284 95.04% 92.39% 1.22% 2.06% 0.00% 0.00% 0 0.00% 0 0.00% 0.00% 0.00% 0.00% 0.00% 26-Jul-04 3 286,584 0 0 0 0 0 0 243 13,612,202 98.78% 97.94% 0.00% 0.00% 0.00% 0.00% 0 0.00% 0 0.00% 0.00% 0.00% 0.00% 0.00% 25-Jun-04 0 0 0 0 0 0 0 0 248 14,030,668 100.00% 100.00% Page 17 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part I Distribution Date REO # Balance Statement Date: Foreclosure Delinq 3+ Months Delinq 2 Months Delinq 1 Month Current # Balance # Balance # Balance # Balance # Balance Delinquency Aging Categories Fixed Loans 1.58% 1.14% 1.42% 1.43% 1 0.16% 66,377 0.09% 0.00% 0.00% 0.00% 0.00% 27-Sep-04 10 826,517 9 1,040,045 0 0 0 0 613 70,590,610 96.84% 97.33% 2.15% 1.77% 0.15% 0.17% 0 0.00% 0 0.00% 0.00% 0.00% 0.00% 0.00% 25-Aug-04 14 1,324,336 1 124,773 0 0 0 0 635 73,278,446 97.69% 98.06% 0.91% 1.19% 0.00% 0.00% 0 0.00% 0 0.00% 0.00% 0.00% 0.00% 0.00% 26-Jul-04 6 913,859 0 0 0 0 0 0 655 75,714,306 99.09% 98.81% 0.15% 0.13% 0.00% 0.00% 0 0.00% 0 0.00% 0.00% 0.00% 0.00% 0.00% 25-Jun-04 1 100,587 0 0 0 0 0 0 669 78,503,787 99.85% 99.87% Page 18 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part I Distribution Date REO # Balance Statement Date: Foreclosure Delinq 3+ Months Delinq 2 Months Delinq 1 Month Current # Balance # Balance # Balance # Balance # Balance Delinquency Aging Categories 228 ARM Loans 2.82% 2.56% 1.69% 2.27% 2 0.19% 525,905 0.28% 1.13% 1.26% 0.00% 0.00% 27-Sep-04 30 4,747,543 18 4,207,731 12 2,334,454 0 0 1,000 173,580,335 94.16% 93.63% 2.46% 2.83% 1.46% 1.61% 0 0.00% 0 0.00% 0.00% 0.00% 0.00% 0.00% 25-Aug-04 27 5,509,915 16 3,121,783 0 0 0 0 1,053 185,721,835 96.08% 95.56% 2.14% 2.31% 0.00% 0.00% 0 0.00% 0 0.00% 0.00% 0.00% 0.00% 0.00% 26-Jul-04 24 4,623,903 0 0 0 0 0 0 1,098 195,786,370 97.86% 97.69% 0.09% 0.05% 0.00% 0.00% 0 0.00% 0 0.00% 0.00% 0.00% 0.00% 0.00% 25-Jun-04 1 107,623 0 0 0 0 0 0 1,131 202,439,011 99.91% 99.95% Page 19 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part I Distribution Date REO # Balance Statement Date: Foreclosure Delinq 3+ Months Delinq 2 Months Delinq 1 Month Current # Balance # Balance # Balance # Balance # Balance Delinquency Aging Categories 327 ARM Loans 2.44% 1.27% 0.00% 0.00% 0 0.00% 0 0.00% 0.00% 0.00% 0.00% 0.00% 27-Sep-04 1 108,099 0 0 0 0 0 0 40 8,422,070 97.56% 98.73% 0.00% 0.00% 0.00% 0.00% 0 0.00% 0 0.00% 0.00% 0.00% 0.00% 0.00% 25-Aug-04 0 0 0 0 0 0 0 0 41 8,537,971 100.00% 100.00% 0.00% 0.00% 0.00% 0.00% 0 0.00% 0 0.00% 0.00% 0.00% 0.00% 0.00% 26-Jul-04 0 0 0 0 0 0 0 0 41 8,545,591 100.00% 100.00% 0.00% 0.00% 0.00% 0.00% 0 0.00% 0 0.00% 0.00% 0.00% 0.00% 0.00% 25-Jun-04 0 0 0 0 0 0 0 0 43 9,299,172 100.00% 100.00% Page 20 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Distribution Date Statement Date: Current 31 - 60 Days 61 - 90 Days 90 + Days # Balance # Balance # Balance # Balance Current 31 - 60 Days 61 - 90 Days 90 + Days # Balance # Balance # Balance # Balance In Foreclosure and Delinquent In Bankruptcy and Delinquent In REO and Delinquent Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part II Current # # # 31 - 60 Days 61 - 90 Days 90 + Days # Balance Balance Balance Balance 27-Sep-04 0 0 0 0 0 0 1 121,114 12 2,334,454 0 0 0.00% 0.00% 0.00% 0.00% 0.69% 0.88% 0.00% 0.00% 0.06% 0.05% 0.00% 0.00% 0.00% 0.00% 0.17% 0.43% 0 0 3 1,149,735 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 25-Aug-04 0 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.06% 0.22% 0 0 1 612,047 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 26-Jul-04 0 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.05% 0.21% 0 0 1 612,477 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 25-Jun-04 0 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 Page 21 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Distribution Date Statement Date: Current 31 - 60 Days 61 - 90 Days 90 + Days # Balance # Balance # Balance # Balance Current 31 - 60 Days 61 - 90 Days 90 + Days # Balance # Balance # Balance # Balance In Foreclosure and Delinquent In Bankruptcy and Delinquent In REO and Delinquent Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part II - First Lien Current # # # 31 - 60 Days 61 - 90 Days 90 + Days # Balance Balance Balance Balance 27-Sep-04 0 0 0 0 0 0 1 121,114 12 2,334,454 0 0 0.00% 0.00% 0.00% 0.00% 0.80% 0.92% 0.00% 0.00% 0.07% 0.05% 0.00% 0.00% 0.00% 0.00% 0.20% 0.45% 0 0 3 1,149,735 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 25-Aug-04 0 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.06% 0.23% 0 0 1 612,047 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 26-Jul-04 0 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.06% 0.23% 0 0 1 612,477 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 25-Jun-04 0 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 Page 22 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Distribution Date Statement Date: Current 31 - 60 Days 61 - 90 Days 90 + Days # Balance # Balance # Balance # Balance Current 31 - 60 Days 61 - 90 Days 90 + Days # Balance # Balance # Balance # Balance In Foreclosure and Delinquent In Bankruptcy and Delinquent In REO and Delinquent Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part II - Second Lien Current # # # 31 - 60 Days 61 - 90 Days 90 + Days # Balance Balance Balance Balance 27-Sep-04 0 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 25-Aug-04 0 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 26-Jul-04 0 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 25-Jun-04 0 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 Page 23 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Distribution Date Statement Date: Current 31 - 60 Days 61 - 90 Days 90 + Days # Balance # Balance # Balance # Balance Current 31 - 60 Days 61 - 90 Days 90 + Days # Balance # Balance # Balance # Balance In Foreclosure and Delinquent In Bankruptcy and Delinquent In REO and Delinquent Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part II - Fixed Loans Current # # # 31 - 60 Days 61 - 90 Days 90 + Days # Balance Balance Balance Balance 27-Sep-04 0 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.16% 0.65% 0 0 1 472,625 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 25-Aug-04 0 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 26-Jul-04 0 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 25-Jun-04 0 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 Page 24 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Distribution Date Statement Date: Current 31 - 60 Days 61 - 90 Days 90 + Days # Balance # Balance # Balance # Balance Current 31 - 60 Days 61 - 90 Days 90 + Days # Balance # Balance # Balance # Balance In Foreclosure and Delinquent In Bankruptcy and Delinquent In REO and Delinquent Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part II - 228 ARM Loans Current # # # 31 - 60 Days 61 - 90 Days 90 + Days # Balance Balance Balance Balance 27-Sep-04 0 0 0 0 0 0 1 121,114 12 2,334,454 0 0 0.00% 0.00% 0.00% 0.00% 1.13% 1.26% 0.00% 0.00% 0.09% 0.07% 0.00% 0.00% 0.00% 0.00% 0.19% 0.37% 0 0 2 677,110 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 25-Aug-04 0 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.09% 0.31% 0 0 1 612,047 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 26-Jul-04 0 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.09% 0.31% 0 0 1 612,477 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 25-Jun-04 0 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 Page 25 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Distribution Date Statement Date: Current 31 - 60 Days 61 - 90 Days 90 + Days # Balance # Balance # Balance # Balance Current 31 - 60 Days 61 - 90 Days 90 + Days # Balance # Balance # Balance # Balance In Foreclosure and Delinquent In Bankruptcy and Delinquent In REO and Delinquent Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part II - 327 ARM Loans Current # # # 31 - 60 Days 61 - 90 Days 90 + Days # Balance Balance Balance Balance 27-Sep-04 0 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 25-Aug-04 0 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 26-Jul-04 0 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 25-Jun-04 0 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 Page 26 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Asset-Backed Facts ~ 15 Month Historical Payoff/Loss Summary Distribution Date Ending Pool (1) Payoffs(2) Realized Losses (2) Remaining Term Curr Weighted Avg. # Balance # Balance # Amount Life Coupon Remit Statement Date: Ending Arrearage (1) Balance Insurance Substitution Liquidation Proceeds Proceeds Proceeds 27-Sep-04 1,736 92.49% 266,449,686 89.94% 2.85% 3.95% 0 0.00% 0 0.00% 350 7.51% 7.01% 51 10,952,685 0.00 0.00 0.00 0.00 25-Aug-04 1,787 95.21% 277,619,058 93.71% 2.03% 2.71% 0 0.00% 0 0.00% 351 7.51% 7.00% 37 7,734,828 0.00 0.00 0.00 0.00 26-Jul-04 1,824 97.18% 285,584,029 96.40% 1.03% 1.41% 0 0.00% 0 0.00% 352 7.51% 7.00% 19 4,098,941 0.00 0.00 0.00 0.00 25-Jun-04 1,845 98.30% 290,450,181 98.04% 1.70% 1.88% 0 0.00% 0 0.00% 353 7.50% 7.00% 32 5,566,054 0.00 0.00 0.00 0.00 (1) Percentage based on pool as of cutoff. (2) Percentage based on pool as of beginning of period. Page 27 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Asset-Backed Facts ~ 15 Month Historical Payoff/Loss Summary Distribution Date Ending Pool (1) Payoffs(2) Realized Losses (2) Remaining Term Curr Weighted Avg. # Balance # Balance # Amount Life Coupon Remit Statement Date: Ending Arrearage (1) Balance Insurance Substitution Liquidation Proceeds Proceeds Proceeds First Lien 27-Sep-04 1,499 79.86% 253,098,892 85.43% 2.98% 4.02% 0 0.00% 0 0.00% 349 7.36% 6.85% 46 10,600,165 0.00 0.00 0.00 0.00 25-Aug-04 1,545 82.31% 263,911,038 89.08% 2.09% 2.78% 0 0.00% 0 0.00% 351 7.35% 6.84% 33 7,552,969 0.00 0.00 0.00 0.00 26-Jul-04 1,578 84.07% 271,685,242 91.70% 1.06% 1.44% 0 0.00% 0 0.00% 352 7.35% 6.84% 17 3,975,706 0.00 0.00 0.00 0.00 25-Jun-04 1,597 85.08% 276,419,513 93.30% 1.78% 1.91% 0 0.00% 0 0.00% 352 7.35% 6.84% 29 5,396,995 0.00 0.00 0.00 0.00 (1) Percentage based on pool as of cutoff. (2) Percentage based on pool as of beginning of period. Page 28 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Asset-Backed Facts ~ 15 Month Historical Payoff/Loss Summary Distribution Date Ending Pool (1) Payoffs(2) Realized Losses (2) Remaining Term Curr Weighted Avg. # Balance # Balance # Amount Life Coupon Remit Statement Date: Ending Arrearage (1) Balance Insurance Substitution Liquidation Proceeds Proceeds Proceeds Second Lien 27-Sep-04 237 12.63% 13,350,794 4.51% 2.07% 2.57% 0 0.00% 0 0.00% 350 10.58% 10.08% 5 352,520 0.00 0.00 0.00 0.00 25-Aug-04 242 12.89% 13,708,021 4.63% 1.63% 1.31% 0 0.00% 0 0.00% 350 10.58% 10.08% 4 181,859 0.00 0.00 0.00 0.00 26-Jul-04 246 13.11% 13,898,786 4.69% 0.81% 0.88% 0 0.00% 0 0.00% 352 10.59% 10.08% 2 123,234 0.00 0.00 0.00 0.00 25-Jun-04 248 13.21% 14,030,668 4.74% 1.20% 1.19% 0 0.00% 0 0.00% 353 10.58% 10.08% 3 169,058 0.00 0.00 0.00 0.00 (1) Percentage based on pool as of cutoff. (2) Percentage based on pool as of beginning of period. Page 29 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Asset-Backed Facts ~ 15 Month Historical Payoff/Loss Summary Distribution Date Ending Pool (1) Payoffs(2) Realized Losses (2) Remaining Term Curr Weighted Avg. # Balance # Balance # Amount Life Coupon Remit Statement Date: Ending Arrearage (1) Balance Insurance Substitution Liquidation Proceeds Proceeds Proceeds Fixed Loans 27-Sep-04 633 33.72% 72,523,549 24.48% 2.62% 2.86% 0 0.00% 0 0.00% 339 7.86% 7.35% 17 2,134,201 0.00 0.00 0.00 0.00 25-Aug-04 650 34.63% 74,727,555 25.22% 1.66% 2.38% 0 0.00% 0 0.00% 341 7.85% 7.34% 11 1,824,803 0.00 0.00 0.00 0.00 26-Jul-04 661 35.22% 76,628,165 25.87% 1.19% 1.91% 0 0.00% 0 0.00% 342 7.83% 7.32% 8 1,501,870 0.00 0.00 0.00 0.00 25-Jun-04 670 35.70% 78,604,374 26.53% 1.03% 1.17% 0 0.00% 0 0.00% 343 7.83% 7.32% 7 929,535 0.00 0.00 0.00 0.00 (1) Percentage based on pool as of cutoff. (2) Percentage based on pool as of beginning of period. Page 30 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Asset-Backed Facts ~ 15 Month Historical Payoff/Loss Summary Distribution Date Ending Pool (1) Payoffs(2) Realized Losses (2) Remaining Term Curr Weighted Avg. # Balance # Balance # Amount Life Coupon Remit Statement Date: Ending Arrearage (1) Balance Insurance Substitution Liquidation Proceeds Proceeds Proceeds 228 ARM Loans 27-Sep-04 1,062 56.58% 185,395,969 62.58% 3.10% 4.54% 0 0.00% 0 0.00% 353 7.41% 6.91% 34 8,818,484 0.00 0.00 0.00 0.00 25-Aug-04 1,096 58.39% 194,353,533 65.60% 2.32% 2.95% 0 0.00% 0 0.00% 354 7.41% 6.90% 26 5,910,025 0.00 0.00 0.00 0.00 26-Jul-04 1,122 59.78% 200,410,273 67.65% 0.80% 0.91% 0 0.00% 0 0.00% 355 7.41% 6.91% 9 1,851,178 0.00 0.00 0.00 0.00 25-Jun-04 1,132 60.31% 202,546,634 68.37% 2.08% 2.05% 0 0.00% 0 0.00% 356 7.41% 6.91% 24 4,248,390 0.00 0.00 0.00 0.00 (1) Percentage based on pool as of cutoff. (2) Percentage based on pool as of beginning of period. Page 31 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Asset-Backed Facts ~ 15 Month Historical Payoff/Loss Summary Distribution Date Ending Pool (1) Payoffs(2) Realized Losses (2) Remaining Term Curr Weighted Avg. # Balance # Balance # Amount Life Coupon Remit Statement Date: Ending Arrearage (1) Balance Insurance Substitution Liquidation Proceeds Proceeds Proceeds 327 ARM Loans 27-Sep-04 41 2.18% 8,530,168 2.88% 0.00% 0.00% 0 0.00% 0 0.00% 353 6.76% 6.25% 0 0 0.00 0.00 0.00 0.00 25-Aug-04 41 2.18% 8,537,971 2.88% 0.00% 0.00% 0 0.00% 0 0.00% 354 6.76% 6.25% 0 0 0.00 0.00 0.00 0.00 26-Jul-04 41 2.18% 8,545,591 2.88% 4.65% 8.02% 0 0.00% 0 0.00% 355 6.80% 6.29% 2 745,892 0.00 0.00 0.00 0.00 25-Jun-04 43 2.29% 9,299,172 3.14% 2.27% 4.00% 0 0.00% 0 0.00% 356 6.77% 6.26% 1 388,129 0.00 0.00 0.00 0.00 (1) Percentage based on pool as of cutoff. (2) Percentage based on pool as of beginning of period. Page 32 of 33 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Bear Stearns Asset Backed Securities Trust Payment Date:Prior Payment:Next Payment:Record Date: 27-Sep-0427-Sep-04 25-Aug-04 25-Oct-04 24-Sep-04 Asset-Backed Certificates Series 2004-HE4 ABN AMRO Acct: 721825.3 Realized Loss Detail Period Disclosure Control # Appraisal Date Appraisal Value BeginningScheduled Balance Gross Proceeds Gross Proceeds as a % of Sched. Balance Aggregate LiquidationExpenses * Net Liquidation Proceeds Net Proceeds as a % of Sched. Balance Realized Loss Statement Date: Current TotalCumulative 27-Sep-2004 - 09:14 (Q791-Q806) (c) 2004 LaSalle Bank N.A. Page 33 of 33 * Aggregate liquidation expenses also include outstanding P&I advances and unpaid servicing fees, unpaid trustee fees, etc..

Bear Stearns Asset Backed Securities Trust

Asset-Backed Certificates

Series 2004-HE4

ABN AMRO Acct: 721825.3

Reporting Package Table of Contents

Payment Date:
Prior Payment:
Next Payment:
Record Date:

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Administrator:
Megan Olson 312.904.6709
megan.olson@abnamro.com

Analyst:
Vamsi Kaipa 714.259.6252
vamsi.kaipa@abnamro.com

Statement Date:

135 S. LaSalle Street, Suite 1625
Chicago, IL 60603
USA

Statements to Certificateholders
Cash Reconciliation Summary
Bond Interest Reconciliation
Shortfall Summary Report

Rating Information

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

Asset-Backed Facts ~ 15 Month Loan Payoff/Loss Summary
Realized Loss Detail

Page 2-5
Page 6-10
Page 11
Page 12

Page 13

Page 14-18
Page 19-23

Page 24-28
Page 29

Page(s)

Information is available for this issue from the following sources

Issue Id:

Monthly Data File
Name:

BS004HE4

BS004HE4_200412_3.ZIP

Closing Date:

First Payment Date:

Rated Final Payment: Date:

27-May-04
25-Jun-04

26-Jun-34

Parties to The Transaction

Issuer: Bear Stearns & Co. Inc.

Underwriter: Bear Stearns & Co. Inc.

Master Servicer: EMC Mortgage Corporation

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

800.246.5761

LaSalle Factor Line

LaSalle Web Site

Servicer Web Site

www.emcmortgagecorp.com

www.etrustee.net

Page 1 of 29

Class

CUSIP

Original

Opening

Principal

Negative

Closing

Interest

Pass-Through

Per $ 1000

Next Rate(3)

WAC:
WAMM:
Current Index:
Next Index:

Payment Date:
Prior Payment:
Next Payment:
Record Date:

7.501748%

2.180000%
2.417500%

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Bear Stearns Asset Backed Securities Trust

Asset-Backed Certificates

Series 2004-HE4

Face Value (1)

Balance

Payment

Adj. or Loss

Amortization

Balance

Payment (2)

Adjustment

Rate

346

REMIC II

Statement Date:

ABN AMRO Acct: 721825.3

744.052684311

52.212516897

0.000000000

691.840167413

1.508876809

2.592500000%

0.00

0.000000000

2.35500000%

0.000000000

073879AW8

A-1

128,126,000.00

95,332,494.23

6,689,780.94

0.00

88,642,713.29

193,326.35

744.052684400

52.212516933

0.000000000

691.840167467

1.717108267

2.917500000%

0.00

0.000000000

2.68000000%

0.000000000

073879AX6

A-2

75,000,000.00

55,803,951.33

3,915,938.77

0.00

51,888,012.56

128,783.12

1000.000000000

0.000000000

1000.000000000

2.325000000

2.937500000%

0.00

0.000000000

2.70000000%

0.000000000

073879AY4

A-3

33,884,000.00

0.00

33,884,000.00

78,780.30

1000.000000000

0.000000000

1000.000000000

2.350833146

2.967500000%

0.00

0.000000000

2.73000000%

0.000000000

073879AZ1

M-1

17,776,000.00

0.00

17,776,000.00

41,788.41

1000.000000000

0.000000000

1000.000000000

2.953611111

3.667500000%

0.00

0.000000000

3.43000000%

0.000000000

073879BA5

M-2

14,220,000.00

0.00

14,220,000.00

42,000.35

1000.000000000

0.000000000

1000.000000000

3.211944194

3.967500000%

0.00

0.000000000

3.73000000%

0.000000000

073879BB3

M-3

4,444,000.00

0.00

4,444,000.00

14,273.88

1000.000000000

0.000000000

1000.000000000

3.599444615

4.417500000%

0.00

0.000000000

4.18000000%

0.000000000

073879BC1

M-4

3,259,000.00

0.00

3,259,000.00

11,730.59

1000.000000000

0.000000000

1000.000000000

3.900832630

4.767500000%

0.00

0.000000000

4.53000000%

0.000000000

073879BD9

M-5

3,555,000.00

0.00

3,555,000.00

13,867.46

1000.000000000

0.000000000

1000.000000000

5.321667229

6.417500000%

0.00

0.000000000

6.18000000%

0.000000000

073879BE7

M-6

2,963,000.00

0.00

2,963,000.00

15,768.10

1000.000000000

0.000000000

1000.000000000

5.321667292

6.417500000%

0.00

0.000000000

6.18000000%

0.000000000

073879BF4

M-7

5,332,000.00

0.00

5,332,000.00

28,375.13

1000.000000000

0.000000000

1000.000000000

111.040438666

0.00

0.000000000

N/A

0.000000000

073879BH0

7,702,986.50

0.00

7,702,986.50

855,343.00

1000.000000000

0.000000000

1000.000000000

2447472.400000000

0.00

244,747.24

2447472.400000000

N/A

0.000000000

073879BG2

100.00

0.00

100.00

244,747.24

0.000000000

0.00

0.000000000

N/A

0.000000000

073879BJ6

R-I

0.00

0.000000000

0.00

0.000000000

N/A

0.000000000

073879BK3

R-II

0.00

Page 2 of 29

Notes: (1) N denotes notional balance not included in total (2) Accrued Interest Plus/Minus Interest Adjustment Minus Deferred Interest equals Interest Payment (3) Estimated. * Denotes Controlling Class

Class

CUSIP

Original

Opening

Principal

Negative

Closing

Interest

Pass-Through

Per $ 1000

Next Rate(3)

WAC:
WAMM:
Current Index:
Next Index:

Payment Date:
Prior Payment:
Next Payment:
Record Date:

7.501748%

2.180000%
2.417500%

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Bear Stearns Asset Backed Securities Trust

Asset-Backed Certificates

Series 2004-HE4

Face Value (1)

Balance

Payment

Adj. or Loss

Amortization

Balance

Payment (2)

Adjustment

Rate

346

REMIC II

Statement Date:

ABN AMRO Acct: 721825.3

Total P&I Payment

0.00

244,747.24

296,261,986.50

244,272,432.06

12,274,503.64

Total

233,666,712.35

10,605,719.71

0.00

1,668,783.93

Page 3 of 29

Class

CUSIP

Original

Opening

Principal

Negative

Closing

Interest

Pass-Through

Per $ 1000

Next Rate(3)

WAC:
WAMM:
Current Index:
Next Index:

Payment Date:
Prior Payment:
Next Payment:
Record Date:

7.501748%

2.180000%
2.417500%

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Bear Stearns Asset Backed Securities Trust

Asset-Backed Certificates

Series 2004-HE4

Face Value (1)

Balance

Payment

Adj. or Loss

Amortization

Balance

Payment (2)

Adjustment

Rate

346

REMIC III

Statement Date:

ABN AMRO Acct: 721825.3

1000.000000000

0.000000000

1000.000000000

111.040438666

0.00

855,343.00

111.040438666

N/A

0.000000000

073879BH0

7,702,986.50

0.00

7,702,986.50

855,343.00

0.000000000

0.00

0.000000000

N/A

0.000000000

9ABSQ805

R-III

0.00

Total P&I Payment

0.00

855,343.00

7,702,986.50

855,343.00

Total

7,702,986.50

0.00

855,343.00

Page 4 of 29

Class

CUSIP

Original

Opening

Principal

Negative

Closing

Interest

Pass-Through

Per $ 1000

Next Rate(3)

WAC:
WAMM:
Current Index:
Next Index:

Payment Date:
Prior Payment:
Next Payment:
Record Date:

7.501748%

2.180000%
2.417500%

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Bear Stearns Asset Backed Securities Trust

Asset-Backed Certificates

Series 2004-HE4

Face Value (1)

Balance

Payment

Adj. or Loss

Amortization

Balance

Payment (2)

Adjustment

Rate

346

Trust Calculation

Statement Date:

ABN AMRO Acct: 721825.3

1000.000000000

0.000000000

1000.000000000

2447472.400000000

0.00

244,747.24

2447472.400000000

N/A

0.000000000

073879BG2

100.00

0.00

100.00

244,747.24

0.000000000

0.00

0.000000000

N/A

0.000000000

073879BL1

R-X

0.00

Total P&I Payment

0.00

244,747.24

100.00

244,747.24

Total

100.00

0.00

244,747.24

Page 5 of 29

Bear Stearns Asset Backed Securities Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Asset-Backed Certificates

Series 2004-HE4

ABN AMRO Acct: 721825.3

Statement Date:

Cash Reconciliation Summary

Interest Summary

Total Trustee Fees

Available Interest

1,668,783.93

Fee Summary

Total Servicing Fees

Principal Summary

Scheduled Principal Distribution

Unscheduled:
Curtailments
Prepayments in Full
Liquidation Proceeds
Repurchase Proceeds
Other Principal Proceeds

Unscheduled Principal Distribution

Remittance Principal

Servicer Wire Amount

188,233.45

16,431.66

10,401,054.60

0.00
0.00
0.00

12,275,745.36

Pool Balance Summary

Beginning Pool
Scheduled Principal Distribution

Unscheduled Principal
Distribution

Deferred Interest
Liquidations
Repurchases
Ending Pool

Balance/Amount

Count

244,272,432.06

188,233.45

10,417,486.26

0.00
0.00
0.00

233,666,712.35

1,622

0
0

1,560

90,797.46

Extra Principal

Trigger Event

0.00

10,605,719.71

Over Collateralization Amt

7,702,986.50

Less Extra Principal

Remittance Interest

0.00

1,668,783.93

0.00

10,417,486.26

Less Mod Losses

Interest Due Trust

Total Trustee Fees

)

(1,241.72

1,670,025.65

Total Fees

92,039.18

Insurance Premium

Reimbursement Amt

Class II-A Policy - Interest
Class II-A Policy - Principal
Other

Total Reimbursement Amt

Rolling 3-Month Delinquency

4.72

0.00

1,241.72

LPMI Fees

0.00

0.00
0.00
0.00

0.00

Page 6 of 29

Bear Stearns Asset Backed Securities Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Asset-Backed Certificates

Series 2004-HE4

ABN AMRO Acct: 721825.3

Statement Date:

Cash Reconciliation Summary Fixed First Lien

Interest Summary

Total Trustee Fees

Available Interest

372,342.87

Fee Summary

Total Servicing Fees

Principal Summary

Scheduled Principal Distribution

Unscheduled:
Curtailments
Prepayments in Full
Liquidation Proceeds
Repurchase Proceeds
Other Principal Proceeds

Unscheduled Principal Distribution

Remittance Principal

Servicer Wire Amount

55,639.78

7,459.16

2,409,171.74

0.00
0.00
0.00

2,844,898.00

Pool Balance Summary

Beginning Pool
Scheduled Principal Distribution

Unscheduled Principal
Distribution

Deferred Interest
Liquidations
Repurchases
Ending Pool

Balance/Amount

Count

55,957,447.23

55,639.78

2,416,630.90

0.00
0.00
0.00

53,485,176.55

378

0
0

365

20,995.39

Extra Principal

Trigger Event

0.00

2,472,270.68

Over Collateralization Amt

7,702,986.50

Remittance Interest

372,342.87

0.00

2,416,630.90

Less Mod Losses

Interest Due Trust

Total Trustee Fees

)

(284.45

372,627.32

Total Fees

21,279.84

Insurance Premium

Reimbursement Amt

Class II-A Policy - Interest
Class II-A Policy - Principal
Other

Total Reimbursement Amt

Rolling 3-Month Delinquency

4.72

0.00

284.45

LPMI Fees

0.00

0.00
0.00
0.00

0.00

Page 7 of 29

Bear Stearns Asset Backed Securities Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Asset-Backed Certificates

Series 2004-HE4

ABN AMRO Acct: 721825.3

Statement Date:

Cash Reconciliation Summary Fixed Second Lien

Interest Summary

Total Trustee Fees

Available Interest

128,207.98

Fee Summary

Total Servicing Fees

Principal Summary

Scheduled Principal Distribution

Unscheduled:
Curtailments
Prepayments in Full
Liquidation Proceeds
Repurchase Proceeds
Other Principal Proceeds

Unscheduled Principal Distribution

Remittance Principal

Servicer Wire Amount

5,449.80

648.88

757,013.55

0.00
0.00
0.00

891,382.03

Pool Balance Summary

Beginning Pool
Scheduled Principal Distribution

Unscheduled Principal
Distribution

Deferred Interest
Liquidations
Repurchases
Ending Pool

Balance/Amount

Count

12,160,471.66

5,449.80

757,662.43

0.00
0.00
0.00

11,397,359.43

222

0
0

211

4,383.85

Extra Principal

Trigger Event

0.00

763,112.23

Over Collateralization Amt

7,702,986.50

Remittance Interest

128,207.98

0.00

757,662.43

Less Mod Losses

Interest Due Trust

Total Trustee Fees

)

(61.82

128,269.80

Total Fees

4,445.66

Insurance Premium

Reimbursement Amt

Class II-A Policy - Interest
Class II-A Policy - Principal
Other

Total Reimbursement Amt

Rolling 3-Month Delinquency

4.72

0.00

61.82

LPMI Fees

0.00

0.00
0.00
0.00

0.00

Page 8 of 29

Bear Stearns Asset Backed Securities Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Asset-Backed Certificates

Series 2004-HE4

ABN AMRO Acct: 721825.3

Statement Date:

Cash Reconciliation Summary 228 ARM First Lien

Interest Summary

Total Trustee Fees

Available Interest

1,115,673.15

Fee Summary

Total Servicing Fees

Principal Summary

Scheduled Principal Distribution

Unscheduled:
Curtailments
Prepayments in Full
Liquidation Proceeds
Repurchase Proceeds
Other Principal Proceeds

Unscheduled Principal Distribution

Remittance Principal

Servicer Wire Amount

120,549.03

8,282.86

6,804,179.69

0.00
0.00
0.00

8,049,541.78

Pool Balance Summary

Beginning Pool
Scheduled Principal Distribution

Unscheduled Principal
Distribution

Deferred Interest
Liquidations
Repurchases
Ending Pool

Balance/Amount

Count

168,599,400.88

120,549.03

6,812,462.55

0.00
0.00
0.00

161,666,389.30

984

0
0

949

62,871.74

Extra Principal

Trigger Event

0.00

6,933,011.58

Over Collateralization Amt

7,702,986.50

Remittance Interest

1,115,673.15

0.00

6,812,462.55

Less Mod Losses

Interest Due Trust

Total Trustee Fees

)

(857.05

1,116,530.20

Total Fees

63,728.79

Insurance Premium

Reimbursement Amt

Class II-A Policy - Interest
Class II-A Policy - Principal
Other

Total Reimbursement Amt

Rolling 3-Month Delinquency

4.72

0.00

857.05

LPMI Fees

0.00

0.00
0.00
0.00

0.00

Page 9 of 29

Bear Stearns Asset Backed Securities Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Asset-Backed Certificates

Series 2004-HE4

ABN AMRO Acct: 721825.3

Statement Date:

Cash Reconciliation Summary 327 ARM First Lien

Interest Summary

Total Trustee Fees

Available Interest

52,559.92

Fee Summary

Total Servicing Fees

Principal Summary

Scheduled Principal Distribution

Unscheduled:
Curtailments
Prepayments in Full
Liquidation Proceeds
Repurchase Proceeds
Other Principal Proceeds

Unscheduled Principal Distribution

Remittance Principal

Servicer Wire Amount

6,594.84

40.76

430,689.62

0.00
0.00
0.00

489,923.55

Pool Balance Summary

Beginning Pool
Scheduled Principal Distribution

Unscheduled Principal
Distribution

Deferred Interest
Liquidations
Repurchases
Ending Pool

Balance/Amount

Count

7,555,112.29

6,594.84

430,730.38

0.00
0.00
0.00

7,117,787.07

0
0

2,546.48

Extra Principal

Trigger Event

0.00

437,325.22

Over Collateralization Amt

7,702,986.50

Remittance Interest

52,559.92

0.00

430,730.38

Less Mod Losses

Interest Due Trust

Total Trustee Fees

)

(38.41

52,598.33

Total Fees

2,584.89

Insurance Premium

Reimbursement Amt

Class II-A Policy - Interest
Class II-A Policy - Principal
Other

Total Reimbursement Amt

Rolling 3-Month Delinquency

4.72

0.00

38.41

LPMI Fees

0.00

0.00
0.00
0.00

0.00

Page 10 of 29

Bear Stearns Asset Backed Securities Trust

Class

Accrued

Payment Date:
Prior Payment:
Next Payment:
Record Date:

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Asset-Backed Certificates

Series 2004-HE4

ABN AMRO Acct: 721825.3

Bond Interest Reconciliation

Prior

Other

Additions

Interest

Losses

Current

Cumulative

Accrual

Risk Carry-

Fwd Amt

Interest

Payment

Amount

Interest

Certificate

Interest

Losses

Shortfall

Int. Carry-

Proceeds

Risk Carry-

Certificate

Agreement

Amt Deposited

From YM

Method Days

Basis

Remaining

Statement Date:

Distributable

Prior

Applied Realized

Remaining

Int. Carry-

forward Amt

Principal

Extra

Prepayments

Shortfalls

Net

Cap

Rate
Y/N

0.00

A-1

193,326.35

0.00

193,326.35

Act/360

0.00

6,571,048.73

0.00

A-2

128,783.12

0.00

128,783.12

Act/360

0.00

3,846,437.53

0.00

A-3

78,780.30

0.00

78,780.30

Act/360

0.00

M-1

41,788.41

0.00

41,788.41

Act/360

0.00

M-2

42,000.35

0.00

42,000.35

Act/360

0.00

M-3

14,273.88

0.00

14,273.88

Act/360

0.00

M-4

11,730.59

0.00

11,730.59

Act/360

0.00

M-5

13,867.46

0.00

13,867.46

Act/360

0.00

M-6

15,768.10

0.00

15,768.10

Act/360

0.00

M-7

28,375.13

0.00

28,375.13

Act/360

0.00

855,343.00

0.00

855,343.00

0.00

244,747.24

0.00

1,424,036.69

1,668,783.93

0.00

10,417,486.26

0.00

(2) Principal Prepayments include the Extra Principal Amount

Page 11 of 29

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

Bear Stearns Asset Backed Securities Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Asset-Backed Certificates

Series 2004-HE4

ABN AMRO Acct: 721825.3

Interest Adjustments Summary

Statement Date:

0.00

Special Servicing Fees

Workout Fees

Liquidation Fees

Legal Fees

0.00

Misc. Fees & Expenses Paid by/to Servicer

Interest Paid to Servicer on Outstanding Advances

0.00

ASER Interest Advance Reduction

Interest Not Advanced (Current Period)

Recoup of Prior Advances by Servicer

0.00

Servicing Fees Paid Servicer on Loans Not Advanced

Misc. Fees & Expenses Paid by Trust

0.00

Shortfall Due to Rate Modification

Total Shortfall Allocated to the Bonds

Total Interest Adjustment to the Bonds

0.00

Shortfall Allocated to the Bonds:

Excess Allocated to the Bonds:

Other Interest Proceeds Due the Bonds

Yield Maintenance Penalties Due the Bonds

Prepayment Penalties Due the Bonds

Recovered ASER Interest Due the Bonds

Recovered Interest Due the Bonds

Less Total Shortfall Allocated to the Bonds

Total Excess Allocated to the Bonds

244,747.24

244,747.24

Total Excess Allocated to the Bonds

244,747.24

0.00

Aggregate Interest Adjustment Allocated to the Bonds

0.00

244,747.24

0.00

Prepayment Interest Excess Due the Bonds

0.00

ARD Excess Interest

0.00

Net Prepayment Int. Shortfalls Allocated to the Bonds

Other Interest Loss

Page 12 of 29

Bear Stearns Asset Backed Securities Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Asset-Backed Certificates

Series 2004-HE4

ABN AMRO Acct: 721825.3

Rating Information

Class

CUSIP

Fitch

Moody's

S&P

Fitch

Moody's

S&P

Original Ratings

Rating Change/Change Date(1)

Statement Date:

R-I

073879BJ6

A-1

073879AW8

Aaa

AAA

A-2

073879AX6

Aaa

AAA

A-3

073879AY4

Aaa

AAA

M-1

073879AZ1

Aa2

AA+

M-2

073879BA5

AA-

M-3

073879BB3

A+

M-4

073879BC1

Baa1

M-5

073879BD9

Baa2

A-

M-6

073879BE7

Baa3

BBB+

M-7

073879BF4

R-II

073879BK3

R-III

9ABSQ805

R-X

073879BL1

Page 13 of 29

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.

Bear Stearns Asset Backed Securities Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Asset-Backed Certificates

Series 2004-HE4

ABN AMRO Acct: 721825.3

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

Distribution

Date

REO

Balance

Statement Date:

Foreclosure

Delinq 3+ Months

Delinq 2 Months

Delinq 1 Month

Current

Balance

Delinquency Aging Categories

3.53%

3.41%

1.35%

1.04%

1.15%

2,874,309

1.23%

2.12%

2.32%

0.06%

0.03%

27-Dec-04

7,973,360

2,425,791

5,421,918

63,585

1,432

214,907,750

91.79%

91.97%

2.84%

2.81%

1.60%

1.51%

0.99%

2,633,225

1.08%

1.60%

1.77%

0.00%

26-Nov-04

6,856,281

3,700,198

4,319,374

1,508

226,763,354

92.97%

92.83%

2.32%

2.13%

1.72%

1.61%

0.89%

3,229,792

1.26%

1.13%

1.31%

0.00%

25-Oct-04

5,457,505

4,124,445

3,365,951

1,581

240,236,653

93.94%

93.69%

2.36%

2.13%

1.56%

1.97%

0.17%

592,283

0.22%

0.69%

0.88%

0.00%

27-Sep-04

5,682,159

5,247,776

2,334,454

1,653

252,593,014

95.22%

94.80%

2.29%

2.46%

0.95%

1.17%

0.00%

25-Aug-04

6,834,251

3,246,555

1,729

267,538,253

96.75%

96.37%

1.64%

1.94%

0.00%

26-Jul-04

5,537,762

1,794

280,046,267

98.36%

98.06%

0.11%

0.07%

0.00%

25-Jun-04

208,210

1,843

290,241,971

99.89%

99.93%

Page 14 of 29

Bear Stearns Asset Backed Securities Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Asset-Backed Certificates

Series 2004-HE4

ABN AMRO Acct: 721825.3

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

Distribution

Date

REO

Balance

Statement Date:

Foreclosure

Delinq 3+ Months

Delinq 2 Months

Delinq 1 Month

Current

Balance

Delinquency Aging Categories

Fixed First Lien

1.92%

1.23%

0.00%

0.27%

217,438

0.41%

0.82%

0.54%

0.00%

27-Dec-04

656,377

289,991

354

52,321,371

96.99%

97.82%

1.06%

0.60%

0.00%

0.53%

396,605

0.71%

0.53%

0.20%

0.00%

26-Nov-04

333,539

111,123

370

55,116,180

97.88%

98.50%

1.54%

0.78%

0.51%

0.39%

0.51%

333,265

0.57%

0.26%

0.11%

0.00%

25-Oct-04

451,646

223,998

66,339

378

56,906,536

97.17%

98.15%

0.76%

0.50%

0.51%

0.56%

0.25%

66,377

0.11%

0.00%

27-Sep-04

295,757

333,443

390

58,477,178

98.48%

98.82%

0.74%

0.67%

0.00%

25-Aug-04

406,371

405

60,613,163

99.26%

99.33%

0.72%

1.00%

0.00%

26-Jul-04

627,275

412

62,102,103

99.28%

99.00%

0.24%

0.16%

0.00%

25-Jun-04

100,587

421

64,473,119

99.76%

99.84%

Page 15 of 29

Bear Stearns Asset Backed Securities Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Asset-Backed Certificates

Series 2004-HE4

ABN AMRO Acct: 721825.3

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

Distribution

Date

REO

Balance

Statement Date:

Foreclosure

Delinq 3+ Months

Delinq 2 Months

Delinq 1 Month

Current

Balance

Delinquency Aging Categories

Fixed Second Lien

0.95%

0.83%

2.37%

2.00%

2.84%

592,076

5.19%

0.47%

0.43%

0.00%

27-Dec-04

94,622

228,511

49,455

197

10,432,695

93.36%

91.54%

1.35%

1.29%

2.25%

2.15%

2.70%

626,662

5.15%

0.00%

26-Nov-04

156,342

261,228

208

11,116,238

93.69%

91.41%

2.58%

2.49%

2.58%

3.69%

2.15%

549,318

4.18%

0.00%

25-Oct-04

326,515

484,663

216

11,771,999

92.70%

89.64%

2.95%

3.98%

2.95%

5.29%

0.00%

27-Sep-04

530,760

706,602

223

12,113,432

94.09%

90.73%

4.55%

6.70%

0.41%

0.91%

0.00%

25-Aug-04

917,964

124,773

230

12,665,284

95.04%

92.39%

1.22%

2.06%

0.00%

26-Jul-04

286,584

243

13,612,202

98.78%

97.94%

0.00%

25-Jun-04

248

14,030,668

100.00%

Page 16 of 29

Bear Stearns Asset Backed Securities Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Asset-Backed Certificates

Series 2004-HE4

ABN AMRO Acct: 721825.3

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

Distribution

Date

REO

Balance

Statement Date:

Foreclosure

Delinq 3+ Months

Delinq 2 Months

Delinq 1 Month

Current

Balance

Delinquency Aging Categories

228 ARM First Lien

4.74%

4.40%

1.58%

1.31%

1.16%

2,064,794

1.28%

3.06%

3.14%

0.11%

0.04%

27-Dec-04

7,114,469

2,115,005

5,082,472

63,585

848

145,226,064

89.36%

89.83%

3.76%

3.66%

2.13%

2.04%

0.81%

1,609,958

0.95%

2.44%

2.50%

0.00%

26-Nov-04

6,176,103

3,438,969

4,208,251

894

153,166,120

90.85%

2.54%

2.58%

2.05%

1.93%

0.78%

2,347,209

1.32%

1.76%

1.86%

0.00%

25-Oct-04

4,571,314

3,415,784

3,299,612

949

163,715,089

92.86%

92.31%

2.82%

2.56%

1.69%

2.27%

0.19%

525,905

0.28%

1.13%

1.26%

0.00%

27-Sep-04

4,747,543

4,207,731

2,334,454

1,000

173,580,335

94.16%

93.63%

2.46%

2.83%

1.46%

1.61%

0.00%

25-Aug-04

5,509,915

3,121,783

1,053

185,721,835

96.08%

95.56%

2.14%

2.31%

0.00%

26-Jul-04

4,623,903

1,098

195,786,370

97.86%

97.69%

0.09%

0.05%

0.00%

25-Jun-04

107,623

1,131

202,439,011

99.91%

99.95%

Page 17 of 29

Bear Stearns Asset Backed Securities Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Asset-Backed Certificates

Series 2004-HE4

ABN AMRO Acct: 721825.3

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

Distribution

Date

REO

Balance

Statement Date:

Foreclosure

Delinq 3+ Months

Delinq 2 Months

Delinq 1 Month

Current

Balance

Delinquency Aging Categories

327 ARM First Lien

2.86%

1.52%

2.86%

1.16%

0.00%

27-Dec-04

107,891

82,276

6,927,620

94.29%

97.33%

5.26%

2.52%

0.00%

26-Nov-04

190,297

7,364,816

94.74%

97.48%

2.56%

1.36%

0.00%

25-Oct-04

108,030

7,843,030

97.44%

98.64%

2.44%

1.27%

0.00%

27-Sep-04

108,099

8,422,070

97.56%

98.73%

0.00%

25-Aug-04

8,537,971

100.00%

0.00%

26-Jul-04

8,545,591

100.00%

0.00%

25-Jun-04

9,299,172

100.00%

Page 18 of 29

Bear Stearns Asset Backed Securities Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Asset-Backed Certificates

Series 2004-HE4

ABN AMRO Acct: 721825.3

Distribution

Date

Statement Date:

Current 31 - 60 Days 61 - 90 Days

90 + Days

# Balance # Balance # Balance

# Balance

Current 31 - 60 Days 61 - 90 Days

90 + Days

# Balance # Balance

# Balance

In Foreclosure and Delinquent

In Bankruptcy and Delinquent

In REO and Delinquent

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

Current

31 - 60 Days

61 - 90 Days

90 + Days

Balance

27-Dec-04

5,421,918

174,444

0.00%

2.12%

2.32%

0.00%

0.00% 0.00%

0.00% 0.13%

0.07%

0.00%

0.26%

0.38%

888,800

63,585

0.00%

0.06%

0.00%

0.03%

26-Nov-04

4,319,374

74,655

0.00%

1.60%

1.77%

0.00%

0.00% 0.00%

0.00% 0.06%

0.03%

0.00%

-0.00%

0.25%

0.36%

889,496

0.00%

25-Oct-04

3,365,951

121,048

0.00%

1.13%

1.31%

0.00%

0.00% 0.00%

0.00% 0.06%

0.05%

0.00%

0.18%

0.25%

633,240

0.00%

27-Sep-04

121,114

2,334,454

0.00%

0.69%

0.88%

0.00%

0.00% 0.06%

0.05% 0.00%

0.00%

0.17%

0.43%

1,149,735

0.00%

25-Aug-04

0.00%

0.00% 0.00%

0.00%

0.06%

0.22%

612,047

0.00%

26-Jul-04

0.00%

0.00% 0.00%

0.00%

0.05%

0.21%

612,477

0.00%

25-Jun-04

0.00%

0.00% 0.00%

0.00%

Page 19 of 29

Bear Stearns Asset Backed Securities Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Asset-Backed Certificates

Series 2004-HE4

ABN AMRO Acct: 721825.3

Distribution

Date

Statement Date:

Current 31 - 60 Days 61 - 90 Days

90 + Days

# Balance # Balance # Balance

# Balance

Current 31 - 60 Days 61 - 90 Days

90 + Days

# Balance # Balance

# Balance

In Foreclosure and Delinquent

In Bankruptcy and Delinquent

In REO and Delinquent

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

Current

31 - 60 Days

61 - 90 Days

90 + Days

Balance

27-Dec-04

289,991

0.00%

0.82%

0.54%

0.00%

0.00% 0.00%

0.00%

0.27%

0.88%

471,406

0.00%

26-Nov-04

111,123

0.00%

0.53%

0.20%

0.00%

0.00% 0.00%

0.00%

0.26%

0.84%

471,815

0.00%

25-Oct-04

66,339

0.00%

0.26%

0.11%

0.00%

0.00% 0.00%

0.00%

0.26%

0.81%

472,221

0.00%

27-Sep-04

0.00%

0.00% 0.00%

0.00%

0.25%

0.80%

472,625

0.00%

25-Aug-04

0.00%

0.00% 0.00%

0.00%

26-Jul-04

0.00%

0.00% 0.00%

0.00%

25-Jun-04

0.00%

0.00% 0.00%

0.00%

Page 20 of 29

Bear Stearns Asset Backed Securities Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Asset-Backed Certificates

Series 2004-HE4

ABN AMRO Acct: 721825.3

Distribution

Date

Statement Date:

Current 31 - 60 Days 61 - 90 Days

90 + Days

# Balance # Balance # Balance

# Balance

Current 31 - 60 Days 61 - 90 Days

90 + Days

# Balance # Balance

# Balance

In Foreclosure and Delinquent

In Bankruptcy and Delinquent

In REO and Delinquent

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

Current

31 - 60 Days

61 - 90 Days

90 + Days

Balance

27-Dec-04

49,455

0.00%

0.47%

0.43%

0.00%

0.00% 0.00%

0.00%

26-Nov-04

74,655

0.00%

0.00% 0.00%

0.00% 0.45%

0.61%

0.00%

25-Oct-04

0.00%

0.00% 0.00%

0.00%

27-Sep-04

0.00%

0.00% 0.00%

0.00%

25-Aug-04

0.00%

0.00% 0.00%

0.00%

26-Jul-04

0.00%

0.00% 0.00%

0.00%

25-Jun-04

0.00%

0.00% 0.00%

0.00%

Page 21 of 29

Bear Stearns Asset Backed Securities Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Asset-Backed Certificates

Series 2004-HE4

ABN AMRO Acct: 721825.3

Distribution

Date

Statement Date:

Current 31 - 60 Days 61 - 90 Days

90 + Days

# Balance # Balance # Balance

# Balance

Current 31 - 60 Days 61 - 90 Days

90 + Days

# Balance # Balance

# Balance

In Foreclosure and Delinquent

In Bankruptcy and Delinquent

In REO and Delinquent

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part II - 228 ARM First Lien

Current

31 - 60 Days

61 - 90 Days

90 + Days

Balance

27-Dec-04

5,082,472

174,444

0.00%

3.06%

3.14%

0.00%

0.00% 0.00%

0.00% 0.21%

0.11%

0.00%

0.32%

0.26%

417,394

63,585

0.00%

0.11%

0.00%

0.04%

26-Nov-04

4,208,251

0.00%

2.44%

2.50%

0.00%

0.00% 0.00%

0.00%

-0.00%

0.30%

0.25%

417,681

0.00%

25-Oct-04

3,299,612

121,048

0.00%

1.76%

1.86%

0.00%

0.00% 0.00%

0.00% 0.10%

0.07%

0.00%

0.20%

0.09%

161,019

0.00%

27-Sep-04

121,114

2,334,454

0.00%

1.13%

1.26%

0.00%

0.00% 0.09%

0.07% 0.00%

0.00%

0.19%

0.37%

677,110

0.00%

25-Aug-04

0.00%

0.00% 0.00%

0.00%

0.09%

0.31%

612,047

0.00%

26-Jul-04

0.00%

0.00% 0.00%

0.00%

0.09%

0.31%

612,477

0.00%

25-Jun-04

0.00%

0.00% 0.00%

0.00%

Page 22 of 29

Bear Stearns Asset Backed Securities Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Asset-Backed Certificates

Series 2004-HE4

ABN AMRO Acct: 721825.3

Distribution

Date

Statement Date:

Current 31 - 60 Days 61 - 90 Days

90 + Days

# Balance # Balance # Balance

# Balance

Current 31 - 60 Days 61 - 90 Days

90 + Days

# Balance # Balance

# Balance

In Foreclosure and Delinquent

In Bankruptcy and Delinquent

In REO and Delinquent

Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part II - 327 ARM First Lien

Current

31 - 60 Days

61 - 90 Days

90 + Days

Balance

27-Dec-04

0.00%

0.00% 0.00%

0.00%

26-Nov-04

0.00%

0.00% 0.00%

0.00%

25-Oct-04

0.00%

0.00% 0.00%

0.00%

27-Sep-04

0.00%

0.00% 0.00%

0.00%

25-Aug-04

0.00%

0.00% 0.00%

0.00%

26-Jul-04

0.00%

0.00% 0.00%

0.00%

25-Jun-04

0.00%

0.00% 0.00%

0.00%

Page 23 of 29

Bear Stearns Asset Backed Securities Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Asset-Backed Certificates

Series 2004-HE4

ABN AMRO Acct: 721825.3

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

Distribution

Date

Ending Pool (1)

Payoffs(2)

Realized Losses (2)

Remaining Term

Curr Weighted Avg.

# Balance

# Amount

Life

Coupon Remit

Statement Date:

Ending Arrearage (1)

Balance

Insurance

Substitution

Liquidation

Proceeds

27-Dec-04

1,560

83.11%

233,666,712

78.87%

3.82%

4.26%

0.00%

346

7.50%

7.00%

10,401,055

0.00

26-Nov-04

1,622

86.41%

244,272,432

82.45%

3.62%

4.65%

0.00%

347

7.51%

7.00%

11,924,531

0.00

25-Oct-04

1,683

89.66%

256,414,346

86.55%

3.05%

3.68%

0.00%

348

7.51%

7.00%

9,816,489

0.00

27-Sep-04

1,736

92.49%

266,449,686

89.94%

2.85%

3.95%

0.00%

350

7.51%

7.01%

10,952,685

0.00

25-Aug-04

1,787

95.21%

277,619,058

93.71%

2.03%

2.71%

0.00%

351

7.51%

7.00%

7,734,828

0.00

26-Jul-04

1,824

97.18%

285,584,029

96.40%

1.03%

1.41%

0.00%

352

7.51%

7.00%

4,098,941

0.00

25-Jun-04

1,845

98.30%

290,450,181

98.04%

1.70%

1.88%

0.00%

353

7.50%

7.00%

5,566,054

0.00

(1) Percentage based on pool as of cutoff. (2) Percentage based on pool as of beginning of period.

Page 24 of 29

Bear Stearns Asset Backed Securities Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Asset-Backed Certificates

Series 2004-HE4

ABN AMRO Acct: 721825.3

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

Distribution

Date

Ending Pool (1)

Payoffs(2)

Realized Losses (2)

Remaining Term

Curr Weighted Avg.

# Balance

# Amount

Life

Coupon Remit

Statement Date:

Ending Arrearage (1)

Balance

Insurance

Substitution

Liquidation

Proceeds

Fixed First Lien

27-Dec-04

365

19.45%

53,485,177

18.05%

3.44%

4.31%

0.00%

334

7.24%

6.74%

2,409,172

0.00

26-Nov-04

378

20.14%

55,957,447

18.89%

2.83%

3.38%

0.00%

334

7.25%

6.75%

1,957,986

0.00

25-Oct-04

389

20.72%

57,981,784

19.57%

1.77%

1.90%

0.00%

336

7.25%

6.75%

1,124,939

0.00

27-Sep-04

396

21.10%

59,172,755

19.97%

2.94%

2.92%

0.00%

337

7.25%

6.74%

1,781,681

0.00

25-Aug-04

408

21.74%

61,019,534

20.60%

1.69%

2.62%

0.00%

339

7.24%

6.73%

1,642,944

0.00

26-Jul-04

415

22.11%

62,729,378

21.17%

1.42%

2.13%

0.00%

340

7.23%

6.73%

1,378,636

0.00

25-Jun-04

422

22.48%

64,573,706

21.80%

0.94%

1.16%

0.00%

341

7.23%

6.72%

760,476

0.00

(1) Percentage based on pool as of cutoff. (2) Percentage based on pool as of beginning of period.

Page 25 of 29

Bear Stearns Asset Backed Securities Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Asset-Backed Certificates

Series 2004-HE4

ABN AMRO Acct: 721825.3

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

Distribution

Date

Ending Pool (1)

Payoffs(2)

Realized Losses (2)

Remaining Term

Curr Weighted Avg.

# Balance

# Amount

Life

Coupon Remit

Statement Date:

Ending Arrearage (1)

Balance

Insurance

Substitution

Liquidation

Proceeds

Fixed Second Lien

27-Dec-04

211

11.24%

11,397,359

3.85%

4.95%

6.23%

0.00%

345

10.58%

10.07%

757,014

0.00

26-Nov-04

222

11.83%

12,160,472

4.10%

4.72%

7.35%

0.00%

347

10.56%

10.06%

965,085

0.00

25-Oct-04

233

12.41%

13,132,495

4.43%

1.69%

1.58%

0.00%

348

10.57%

10.06%

210,982

0.00

27-Sep-04

237

12.63%

13,350,794

4.51%

2.07%

2.57%

0.00%

350

10.58%

10.08%

352,520

0.00

25-Aug-04

242

12.89%

13,708,021

4.63%

1.63%

1.31%

0.00%

350

10.58%

10.08%

181,859

0.00

26-Jul-04

246

13.11%

13,898,786

4.69%

0.81%

0.88%

0.00%

352

10.59%

10.08%

123,234

0.00

25-Jun-04

248

13.21%

14,030,668

4.74%

1.20%

1.19%

0.00%

353

10.58%

10.08%

169,058

0.00

(1) Percentage based on pool as of cutoff. (2) Percentage based on pool as of beginning of period.

Page 26 of 29

Bear Stearns Asset Backed Securities Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Asset-Backed Certificates

Series 2004-HE4

ABN AMRO Acct: 721825.3

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

Distribution

Date

Ending Pool (1)

Payoffs(2)

Realized Losses (2)

Remaining Term

Curr Weighted Avg.

# Balance

# Amount

Life

Coupon Remit

Statement Date:

Ending Arrearage (1)

Balance

Insurance

Substitution

Liquidation

Proceeds

228 ARM First Lien

27-Dec-04

949

50.56%

161,666,389

54.57%

3.56%

4.04%

0.00%

350

7.40%

6.89%

6,804,180

0.00

26-Nov-04

984

52.42%

168,599,401

56.91%

3.72%

4.86%

0.00%

351

7.40%

6.89%

8,612,454

0.00

25-Oct-04

1,022

54.45%

177,349,007

59.86%

3.77%

4.27%

0.00%

352

7.41%

6.90%

7,908,704

0.00

27-Sep-04

1,062

56.58%

185,395,969

62.58%

3.10%

4.54%

0.00%

353

7.41%

6.91%

8,818,484

0.00

25-Aug-04

1,096

58.39%

194,353,533

65.60%

2.32%

2.95%

0.00%

354

7.41%

6.90%

5,910,025

0.00

26-Jul-04

1,122

59.78%

200,410,273

67.65%

0.80%

0.91%

0.00%

355

7.41%

6.91%

1,851,178

0.00

25-Jun-04

1,132

60.31%

202,546,634

68.37%

2.08%

2.05%

0.00%

356

7.41%

6.91%

4,248,390

0.00

(1) Percentage based on pool as of cutoff. (2) Percentage based on pool as of beginning of period.

Page 27 of 29

Bear Stearns Asset Backed Securities Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Asset-Backed Certificates

Series 2004-HE4

ABN AMRO Acct: 721825.3

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

Distribution

Date

Ending Pool (1)

Payoffs(2)

Realized Losses (2)

Remaining Term

Curr Weighted Avg.

# Balance

# Amount

Life

Coupon Remit

Statement Date:

Ending Arrearage (1)

Balance

Insurance

Substitution

Liquidation

Proceeds

327 ARM First Lien

27-Dec-04

1.86%

7,117,787

2.40%

7.89%

5.70%

0.00%

350

6.78%

6.28%

430,690

0.00

26-Nov-04

2.02%

7,555,112

2.55%

2.56%

4.89%

0.00%

351

6.77%

6.26%

389,006

0.00

25-Oct-04

2.08%

7,951,060

2.68%

4.88%

6.70%

0.00%

352

6.76%

6.25%

571,864

0.00

27-Sep-04

2.18%

8,530,168

2.88%

0.00%

353

6.76%

6.25%

0.00

25-Aug-04

2.18%

8,537,971

2.88%

0.00%

354

6.76%

6.25%

0.00

26-Jul-04

2.18%

8,545,591

2.88%

4.65%

8.02%

0.00%

355

6.80%

6.29%

745,892

0.00

25-Jun-04

2.29%

9,299,172

3.14%

2.27%

4.00%

0.00%

356

6.77%

6.26%

388,129

0.00

(1) Percentage based on pool as of cutoff. (2) Percentage based on pool as of beginning of period.

Page 28 of 29

Bear Stearns Asset Backed Securities Trust

Payment Date:
Prior Payment:
Next Payment:
Record Date:

27-Dec-04
27-Dec-04

26-Nov-04

25-Jan-05

24-Dec-04

Asset-Backed Certificates

Series 2004-HE4

ABN AMRO Acct: 721825.3

Realized Loss Detail

Period

Disclosure

Control #

Appraisal

Date

Appraisal

Value

Beginning
Scheduled

Balance

Gross

Proceeds

Gross Proceeds

as a % of

Sched. Balance

Aggregate

Liquidation
Expenses *

Net

Liquidation

Proceeds

Net Proceeds

as a % of

Sched. Balance

Realized

Loss

Statement Date:

Current Total
Cumulative

Page 29 of 29

* Aggregate liquidation expenses also include outstanding P&I advances and unpaid servicing fees, unpaid trustee fees, etc..

Filing Compare · BEAR STEARNS ASSET BACKED SECURITIES I LLC 2004-HE4