Lehman Brothers ALT-A mortgage outline August 18 2006

Aurora Alt-A, High LTV Alt-A and Mortgage Maker First Liens
Conduit Lending Division
Information as of August 18, 2006. Subject to change.
This profile includes Aurora Alt-A, High LTV Alt-A, and Mortgage Maker First Lien guidelines. Hard guidelines (Loan amount, LTV/CLTV/HCLTV
maximums, eligible transactions, credit score and DTI requirements, etc.) are listed for each program under the following matrices. The remainder of the
profile consists of Soft guidelines, which are similar between the three programs, but which include variances detailed throughout.
Alt-A First Lien Products
Fixed-Rate, 6-Month LIBOR, 3-, 5-, 7- and 10-Yr Hybrid-LIBOR (6-Mo & 1-Yr Index); 10-Yr Interest-Only Option on most Products; 5-Yr Interest-Only
Option on A30F; 3-Yr Prepayment Penalty Option; DTI for Full Doc: 50%; 45% All Other Doc Types; LTVs >80% Require Mortgage Insurance
FULL/ALT DOC1 (see Documentation topics for definition)
Balance LTV CLTV/HCLTV Purpose4 Units3,4 Occupancy3,4,5 Credit Score1
$400,000 97 100 Purch, R/T, EXPR/T 1 O/O 700
$400,000 95 100 Purch, R/T, EXPR/T 1 SH 660
$450,000 95 100 Purch, R/T, EXPR/T 1-2 O/O 660
$650,000 90 100 Purch, R/T, EXPR/T, DC, C/O 1-2 O/O, SH 660
$650,000 90 90 Purch, R/T, EXPR/T 1-2 N/O/O 660
$650,000 85 90 Purch, R/T, EXPR/T, DC, C/O 1-2 N/O/O 660
$500,000 80 100 P, R/T, EXPR/T 1 N/O/O 700
$500,000 80 95 P, R/T, EXPR/T 1-2 N/O/O 720
$1,000,000 80 1002 Purch, R/T, EXPR/T, DC, C/O 1-4 O/O, SH, N/O/O 620
STATED DOC1 & NO RATIO (see Documentation topics for definition)
$400,000 95 95 Purch, R/T, EXPR/T 1-2 O/O 700
$400,000 90 90 Purch, R/T, EXPR/T, DC, C/O 1 SH 660
$500,000 90 90 Purch, R/T, EXPR/T, DC, C/O 1-2 O/O 660
$500,000 90 100 Purch, R/T 1-2 O/O 700
$500,000 90 95 Purch, R/T 1-2 O/O 680
$500,000 85 85 Purch, R/T, EXPR/T, DC, C/O 1 SH 660
$500,000 85 85 Purch, R/T, EXPR/T 1-2 N/O/O 660
$650,000 80 100 Purch, R/T, EXPR/T 1 S/H 700 if CLTV/HCLTV >95%
680 if CLTV/HCLTV ≤95%
$650,000 80 95 Purch, R/T, EXPR/T, DC, C/O 1 S/H 700
$1,000,0006 806 1006 Purch, R/T, EXPR/T6 1-26 O/O6 680 if CLTV/HCLTV >95%6
660 if CLTV/HCLTV ≤95%6
NO DOC (see Documentation topics for definition)
$400,000 95 95 Purch, R/T, EXPR/T 1 O/O 720
$400,000 60 80 Purch, R/T, EXPR/T 1-2 SH, N/O/O 700
$500,000 90 90 Purch, R/T, EXPR/T, DC, CO 1 O/O 700
$500,000 80 80 Purch, R/T, EXPR/T, DC, CO 1 O/O 660
$650,000 70 80 Purch, R/T, EXPR/T, DC, CO 1-4 O/O 660
$1,500,000 60 80 Purch, R/T, EXPR/T, DC, C/O 1-4 O/O 660
1 – Full/Alt Doc and Stated Doc loans: Credit score for primary income borrower used- see Credit topic; 2 – N/O/O: Maximum CLTV/HCLTV is 90%; 3 – SH: 1-unit
properties only; 4 – 3-4 unit N/O/O properties are not eligible for Debt Consolidation or Cash Out transactions; 5 – SH or N/O/O: First time homebuyers (borrowers who
have not previously owned a home in the last 3 years, or have owned a residential property for less than 12 months) are not eligible; 6 – No LPERs.
This is a commercial message from Aurora Loan Services, 10350 Park Meadows Drive, Littleton, CO 80124. This information is intended for
mortgage professionals’ use only and is not intended for distribution to the general public. All rates, terms, and parameters are subject to
change without prior notice. More detailed underwriting criteria regarding these programs are available upon request. Some products may
not be available in all states. Restrictions apply. Lender is Lehman Brothers Bank, FSB. Trade/service marks are the property of Aurora
Loan Services or its affiliates. ©2006 Aurora Loan Services LLC. All rights reserved. If you would prefer not to receive further commercial
content from us by fax, please notify us by fax at 732-559-9559, by telephone at 1-866-464-4404 (at the prompt enter list number 1049
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Federal Communications Commission.
Aurora Alt-A, High LTV Alt-A and Mortgage Maker – Information as of 8/18/06 – Page 1 of 13

High LTV Alt-A Program6
Fixed-Rate, 6-Month LIBOR, 3-, 5-, 7- and 10-Yr Hybrid-LIBOR (6-Mo & 1-Yr Index); 10-Yr Interest-Only Option on most Products; 5-Yr Interest-Only
Option on A30F; 3-Yr Prepayment Penalty Option; DTI: 50% if Full Doc; 45% All Other Doc Types; No Subordinate Financing; Maximum Cash Out
$250,000; Minimum LTV 80.01%; Mortgage Insurance Not Required for Loans Under this Program (Select MI Self-Insured when using
AuroraConnect); Use High LTV Alt-A Program Rate Sheet Adjustments; This product line is not a Lender Paid MI Program (LPMI disclosures should
not be included in the file).
FULL/ALT DOC1 (see Documentation topics for definition)
Balance LTV Purpose Units3 Occupancy3,5 Credit Score1
$400,000 100 Purch, R/T, EXPR/T 1 O/O, SH 620
$500,000 95 Purch, R/T, EXPR/T 1-2 O/O, SH 620
$650,000 100 Purch, R/T, EXPR/T, DC, C/O 1-2 O/O, SH 700
$1,000,000 100 Purch, R/T, EXPR/T 1 O/O 680
$1,000,000 90 Purch, R/T, EXPR/T, DC, C/O 1 O/O 700
$500,000 100 Purch, R/T, EXPR/T 1 N/O/O 700
$500,000 95 Purch, R/T, EXPR/T 1-2 N/O/O 680
$650,000 90 Purch, R/T, EXPR/T, DC, C/O 1-2 N/O/O 700
STATED DOC1 & NO RATIO (see Documentation topics for definition)
$750.000 100 Purch, R/T, EXPR/T 1 O/O 680
$650,000 95 Purch, R/T, EXPR/T 1-2 O/O 680
$650,000 90 Purch, R/T, EXPR/T, DC, C/O 1-2 O/O 700
$650.000 100 Purch, R/T, EXPR/T 1 SH 700
$500,000 95 Purch, R/T, EXPR/T 1 SH 680
NO DOC (see Documentation topics for definition)
$500,000 95 Purch, R/T, EXPR/T 1 O/O 720
$500,000 90 Purch, R/T, EXPR/T, DC, C/O 1 O/O 680
$650,000 90 Purch, R/T, EXPR/T, DC, C/O 1 O/O 720
400,000 90 Purch, R/T, EXPR/T, DC, C/O 1 SH 720
$500,000 90 Purch, R/T, EXPR/T 1 SH 680
1 – Full/Alt Doc and Stated Doc loans: Credit score for primary income borrower used- see Credit topic; 3 – SH: 1-unit properties only; 5 – SH or N/O/O: First time
homebuyers (borrowers who have not previously owned a home in the last 3 years, or have owned a residential property for less than 12 months) are not eligible; 6 – No
LPERs.
Aurora Alt-A, High LTV Alt-A, and Mortgage Maker – Information as of 8/18/06 – Page 2 of 13

Both First and Second mortgages within Aurora Piggyback transactions must conform to the most restrictive guidelines of
the applicable Aurora First or Second Lien matrix (i.e., score requirement, max CLTV, max DTI, max financing, etc.).
Mortgage Maker™ First Liens – “No MI” Pricing or LTV ≤80%
• 30-, 20-, 15, and 10-Year Fixed-Rate, 2/6, 3/6 and 5/6 Hybrid-LIBOR Products
• 10-Year Interest-Only Option on 30-year Fixed-Rate and G25L Hybrid-LIBOR Products, 5-Year Interest-Only Option on G26L and G36L Hybrid-
LIBOR Products
• 3-Year Prepayment Penalty Option on Fixed-Rate Products
• 2- or 3-Year Prepayment Penalty Options on Hybrid-LIBOR Products
FULL DOC
Balance LTV CLTV/HCLTV Purpose Units3 Occupancy1,3,5 Credit Score DTI
$650,000 95 100 Purch, R/T, EXP R/T, DC, C/O 1-4 O/O, SH 620 50%
$650,000 90 100 Purch, R/T, EXP R/T, DC, C/O 1-4 N/O/O 660 50%
$1,000,000 90 100 Purch, R/T, EXP R/T, DC, C/O 1-4 O/O, SH 620 50%
$1,000,000 85 100 Purch, R/T, EXP R/T, DC, C/O 1-4 N/O/O 660 50%
$2,000,000 75 80 Purch, R/T, EXP R/T, DC, C/O 1-4 O/O, SH, N/O/O 600 50%
STATED DOC3, STATED INCOME/STATED ASSETS3, NO RATIO3
$400,000 95 100 Purch, R/T, EXPR/T, DC, C/O 1-4 O/O, SH 620 50%
$500,000 90 100 Purch, R/T 1-4 N/O/O 660 50%
$650,000 80 100 Purch, R/T, EXP R/T, DC, C/O 1-4 N/O/O 620 50%
$1,000,000 80 100 Purch, R/T, EXP R/T, DC, C/O 1-4 O/O, SH 620 50%
NO DOC3
$500,000 80 1002 Purch, R/T, EXP R/T, DC, C/O 1-4 O/O, SH2 620 N/A
$500,000 80 95 Purch, R/T, EXP R/T, DC, C/O 1-4 N/O/O 660 N/A
$650,000 75 95 Purch, R/T, EXP R/T, DC, C/O 1-4 O/O 620 N/A
$650,000 65 95 Purch, R/T, EXP R/T, DC, C/O 1-4 SH, N/O/O 620 N/A
$750,000 70 95 Purch, R/T, EXP R/T, DC, C/O 1-4 O/O 620 N/A
$1,000,000 60 80 Purch, R/T, EXP R/T, DC, C/O 1-4 SH, N/O/O 620 N/A
$2,000,000 65 80 Purch, R/T, EXP R/T, DC, C/O 1-4 O/O 620 N/A
1. SH: 1-unit properties only.
2. SH: Max 95% CLTV/HCLTV.
3. If O/O 3-4 unit or N/O/O subject property is generating negative cash flow:
• Stated Doc and No Ratio:
• With at least 12 months PITI reserves, maximum financing is available. If less than 12 months PITI reserves, financing is limited to the lesser of
LTV/CLTV/HCLTV permitted in matrix or 95%.
• SISA and No Doc:
• Maximum financing is limited to the lesser of LTV/CLTV/HCLTV permitted in matrix or 95%.
• R/T and EXP R/T only.
5. SH or N/O/O: First time homebuyers (borrowers who have not previously owned a home in the last 3 years, or have owned a residential property for less than 12
months) are not eligible.

Mortgage Maker™ First Liens – Insured – Minimum 80.01% LTV
All loans must have mortgage insurance
• 30-, 20-, 15, and 10-Year Fixed-Rate, 2/6, 3/6 and 5/6 Hybrid-LIBOR Products
• 10-Year Interest-Only Option on 30-year Fixed-Rate and G25L Hybrid-LIBOR Products, 5-Year Interest-Only Option on G26L and G36L Hybrid-
LIBOR Products (Note: RMIC limits I-O to Fixed-Rate and G36L)
• 3-Year Prepayment Penalty Option on Fixed-Rate Products
• 2- or 3-Year Prepayment Penalty Options on Hybrid-LIBOR Products
• This matrix reflects the parameters under which Aurora will Purchase Mortgage Maker™ Insured loans. As a guide, certain MI companies have
agreed to insure this product as outlined below. Please note: the MI information is subject to change and should be considered as an aid to
obtaining insurance. Note: Insurance obtained from MI companies outside of this matrix will be acceptable. It is the Client’s responsibility to obtain
MI.
PRIMARY RESIDENCE – O/O
FULL DOC
Balance LTV/ CLTV/HCLTV Purpose Units3 Credit Score DTI MI
$400,000 97 Purch, R/T, Exp R/T 1-2 620 40% Radian, RMIC
$500,000 97 Purch, R/T, Exp R/T 1-2
1 unit if PMI
660 50%
40% if Triad
Radian, Triad, PMI
$500,000 95 Purch, R/T, Exp R/T 1-2 620 50% Radian, Triad, PMI
$500,000 90 Purch, R/T, Exp R/T, DC, C/O 1-2 620 50% Radian, Triad, PMI
$500,000 85 Purch, R/T, Exp R/T, DC, C/O 3-4 620 50% PMI
$650,000 90 Purch, R/T, Exp R/T, DC, C/O 1-2 620 45% RMIC
$650,000 90 Purch, R/T, Exp R/T 1-2 620 45% Radian
$650,000 85 Purch, R/T, Exp R/T 3-4 620 45% Radian, PMI
STATED DOC, STATED INCOME/STATED ASSETS3, NO RATIO3
$400,000 90 Purch, R/T, Exp RT, DC, C/O 1-2 640 45% PMI
$400,000 85 Purch, R/T, Exp R/T, DC, C/O 3-4 640 if Stated
660 all others
45% PMI
$400,000 95 Purch, R/T, Exp R/T 1-2 680 45% Radian
$500,000 95 Purch, R/T, Exp R/T 1-2 620 if Stated
660 all others
45% PMI, RMIC
Triad—Stated only
$500,000 90 Purch, R/T, Exp R/T, DC, C/O
1-2 660
680 if RMIC
45% Triad
RMIC
$650,000 90 Purch, R/T, Exp R/T 1-2 660 45% Radian, PMI, RMIC
$650,000 85 Purch, R/T, Exp R/T 3-4 660
680 if RMIC
45% PMI, RMIC—Stated and
No Ratio only
NO DOC3
$500,000 95 Purch, R/T, Exp R/T 1-2 680 N/A PMI, RMIC
$500,000 90 Purch, R/T, Exp R/T, DC, C/O 1-2 660
680 if RMIC
N/A Triad, RMIC
$650,000 90 Purch, R/T, Exp R/T 1-2 660
700 if PMI
N/A Radian, PMI, RMIC
$650,000 85 Purch, R/T, Exp R/T 3-4 700 N/A PMI
SECOND HOME5
FULL DOC
Balance LTV/ CLTV/HCLTV Purpose Units Credit Score DTI MI
$500,000 95 Purch, R/T, Exp R/T 1 620 50% Triad, Radian
$650,000 90 Purch, R/T, Exp R/T, DC, C/O 1 620 45% RMIC, Radian
STATED DOC, NO RATIO
$400,000 90 Purch, R/T, Exp R/T, DC, C/O 1 660 45% PMI
$500,000 90 Purch, R/T, Exp R/T, DC, C/O 1 660 45% Triad
$500,000 90 Purch, R/T, Exp R/T 1 640 if Stated
680 if No Ratio
660 if RMIC
45% PMI, RMIC
STATED INCOME/STATED ASSETS
$400,000 90 Purch, R/T, Exp R/T, DC, C/O 1 660 45% PMI
$500,000 90 Purch, R/T, Exp R/T 1 680
700 if Triad
45%
Triad, PMI, RMIC
NO DOC
$500,000 90 Purch, R/T, Exp R/T 1 700 N/A Triad, PMI, RMIC

INVESTMENT PROPERTY – N/O/O3,5
FULL DOC
Balance LTV/ CLTV/HCLTV Purpose Units Credit Score DTI MI
$275,000 85 Purch, R/T, Exp R/T, DC, C/O 1-2 620 45% PMI, Radian
$500,000 90 Purch, R/T, Exp R/T 1-2 640 if PMI
660 all others
50% PMI, Triad, Radian
$500,000 85 Purch, R/T, Exp R/T 1-2 620 50% RMIC, Radian
$500,000 85 Purch, R/T, Exp R/T 3-4 640 45% PMI
STATED DOC, STATED INCOME/STATED ASSETS3, NO RATIO, NO DOC3
$500,000 90 Purch, R/T, Exp R/T 1-2 700 45% Triad, PMI, RMIC-Stated
and No Ratio only
$500,000 85 Purch, R/T, Exp R/T 3-4 700 45% PMI
RMIC-Stated and No Ratio
only
3 – If O/O 3-4 unit or N/O/O subject property is generating negative cash flow: SISA and No Doc: R/T and EXP R/T only; 5 – SH or N/O/O: First time homebuyers
(borrowers who have not previously owned a home in the last 3 years, or have owned a residential property for less than 12 months) are not eligible.
GEOGRAPHIC RESTRICTIONS • See Geographic Restrictions Matrix (Form 504) for location-specific geographic restrictions.
DOCUMENTATION • Full/Alt Doc and Reduced Documentation programs available. Reduced Documentation refers to loans
processed with income, employment and asset documentation which is more relaxed than traditional
FNMA or FHLMC Full Documentation requirements. Specific guidelines for each Reduced
Documentation type are outlined below.
• Full/Alt Documentation may be required if:
• The initial application is incomplete or missing from the submission package.
• Loan request is not commensurate with the borrower’s credit profile.
• Property is unique or otherwise has limited marketability.
• File contains documentation which suggests borrower’s income is not accurately stated on the
signed 1003 (i.e., bank statements showing payroll direct deposits with a deposit amount
significantly lower than that reported on the signed 1003).
• Files that do not have valid or usable credit scores.
• When applicable, income sources will be closely reviewed for reasonableness. If reasonableness cannot
be determined, underwriting reserves the right to require documentation to support the reasonableness
(i.e., underwriting may request: recent account statement to support assets available after closing to
generate stated interest income, evidence an income-generating property is owned free and clear, etc.).
Full/Alt Doc • Standard FNMA full or alternative documentation may be provided. Additional information can be found
in Underwriting Guidelines.
• Assets must be verified for reserves, closing costs, required down payment.
• IRS 4506 is required when tax returns are used to verify income.
• Verbal VOE required 5 days prior to closing for wage-earner income sources.
• Income, employment and assets are stated and verified.
• Liabilities are itemized and real estate owned stated.
Stated Doc • Income/Employment:
• Employment must be disclosed on the signed 1003 covering a two-year period.
• All income sources must be itemized on the signed 1003.
• Verification of income is not required.
• Income must be reasonable for employment disclosed.
• 5 days prior to closing: Verbal VOE required or if self-employed, an independent written
confirmation of self-employment is required (i.e., copy of business license, letter from CPA verifying
length and existence of business, etc.). Two continuous years of self-employment in same business
are expected.
• IRS 4506 is not required.
• Liabilities are itemized – properties owned are stated.
• Assets must be verified for reserves, closing costs and required down payment.
• Ratios are calculated based on stated income.
No Ratio • Income/Employment:
• Income amount should not be disclosed.
• Income source must be identified on the signed 1003.
• Employment must be disclosed on the signed 1003 covering a 2-year period.
• Income amount is not verified.
• Income source must be one which would reasonably support the ability to repay the mortgage debt.
• 5 days prior to closing: Verbal VOE required or if self-employed, an independent written confirmation
of self-employment is required (i.e., copy of business license, letter from CPA verifying length and
existence of business, etc.). Two continuous years of self-employment in same business are
expected.
• Assets must be verified for reserves, closing costs and required down payment.

Mortgage Maker: Stated
Income/ Stated Assets
(SISA)
• This documentation type is available on Mortgage Maker only products.
• Income/Employment:
• Employment must be disclosed on the signed 1003 covering a two-year period.
• All income sources must be itemized on the signed 1003.
• Verification of income is not required.
• Income must be reasonable for employment disclosed.
• 5 days prior to closing: Verbal VOE required or if self-employed, an independent written confirmation
of self-employment is required (i.e., copy of business license, letter from CPA verifying length and
existence of business, etc.). Two continuous years of self-employment in same business are
expected.
• Assets are stated but NOT verified.
• Ratios are calculated based on stated income.
• First Time Homebuyer: Refer to First Time Homebuyer Section.
No Doc • Income, employment and assets are not disclosed.
• Ratios are not calculated.
• No Verbal VOE.
• No IRS 4506.
• First Time Homebuyer: Refer to First Time Homebuyer Section.
DESKTOP UNDERWRITER® /
LOAN PROSPECTOR®
• It is expressly agreed that acceptance by Aurora of a loan application package containing an approval from
an automated underwriting system shall not be construed as a commitment to lend. It is also agreed that in
the event of a discrepancy between the data validated by Aurora’s review of the file and the data entered in
the automated underwriting system, the findings of the automated underwriting system shall be considered
null and void and Aurora shall have no obligation to Purchase the loan.
DU Decisions • Approve/Eligible. Expanded Approval (EA) determinations are not acceptable.
• Approve/Ineligible. Ineligible classifications are acceptable if the reason for ineligibility is based on a
parameter that is outside of FNMA’s guidelines but within Aurora’s. An acceptable ineligible classification
would be for loan amounts above FNMA limits.
• All conditions outlined in the Findings Report must be satisfied.
LP Decisions • Accept or Accept-Plus; or
• Risk Grade 1, Risk Grade 2, Risk Grade 3 or Risk Grade 4 (RG1, RG2, RG3 or RG4).
• All conditions outlined in the Feedback Certificate must be satisfied.
DU/LP Full/Alt Doc • Maximum $650,000 Total Aurora Financing.
• Credit score must meet Aurora’s guidelines and definition of a valid/usable score; credit score of the
primary income borrower used for qualifying and pricing. See Credit topic.
• Housing lates:
• Alt-A: As accepted by DU/LP.
• Mortgage Maker: Maximum 1X30 in past 12 months.
• Housing history documentation:
• Alt-A/High LTV Alt-A: As required by DU/LP.
• Mortgage Maker: Must meet the housing history requirements outlined in the credit topic.
• Full URAR required. All property guidelines must be met.
• Employment, income and assets may be documented as recommended by DU/LP.
• Must meet down payment requirements as outlined in Required Down Payment topic.
• Mortgage insurance is not required for High LTV Alt-A products. For all other Alt-A loans with LTVs >80%,
mortgage insurance coverage must be obtained as outlined in the Mortgage Insurance topic. Reduced MI,
Lower-cost MI, or Customized MI is not eligible.
• No DTI limitations.
DU/LP Stated Doc • Loans must be processed in accordance with Alt-A/High LTV Alt-A Stated Doc guidelines.
• Maximum $650,000 Total Aurora Financing.
• Maximum 80% CLTV/HCLTV.
• Credit review
• Credit score must meet Aurora’s guidelines and definition of a valid/usable score; credit score of the
primary income borrower used for qualifying and pricing. See Credit topic.
• Housing lates:
• Alt-A/High LTV Alt-A: As accepted by DU/LP.
• Mortgage Maker: Maximum 1X30 in past 12 months.
• Housing history documentation:
• Alt-A/High LTV Alt-A: As required by DU/LP.
• Mortgage Maker: Must meet the housing history requirements outlined in the credit topic.
• All debts have been included in long-term debt ratio.
• Full URAR required. All property guidelines must be met.
• Assets must be verified to meet reserve requirements and down payment requirements. Verified assets
must meet both Aurora’s requirements and DU or LP’s requirements.
• Maximum DTI ratio:
• Alt-A/High LTV Alt-A: 45%
• Mortgage Maker: 50%

PROPERTY ELIGIBILITY Property Type (See Underwriting Guidelines for additional details.) Alt-A High LTV Alt-A MM
Single Family Residence Yes Yes Yes
2 units Yes1 Yes1 Yes1
3-4 unit Dwellings Yes No Yes
Warrantable and Non-Warrantable Condos:
Yes Yes Yes
• Minimum 600 square feet
• Studio units are eligible
• Site (Detached) Condos are eligible
Condotels – See Condotel topic for LTVs Yes No Yes
Co-Ops – See Cooperative Program Profile Yes No Yes
PUDs Yes Yes Yes
Mixed-Use Yes No Yes
Model Home Lease Backs Yes No Yes
No acreage limitation (Land value should not exceed 35%.
Yes Yes Yes
Exceptions considered case-by-case.)
Rural Yes No Yes
Mobile homes No No No
Manufactured homes No No No
Modular/Prefab Yes Yes Yes
Other property types considered case-by-case. See Underwriting
Yes Yes Yes
Guidelines for additional information
1 – Unless otherwise restricted in LTV/CLTV/HCLTV Matrices.
Condotels • Condotels are condominium projects that operate like a hotel. Typically a condotel will have a rental desk
in the lobby, cleaning service and other hotel-like amenities. The units are individually owned but many of
the units are rented to short-term visitors. See Underwriting Guidelines for complete details.
• All condotels will be treated as non-owner occupied, subject to N/O/O guidelines and pricing; however,
rental income may not be used as qualifying income.
• 1 unit dwellings only.
• Projects with timeshare units are ineligible.
• The maximum LTV/CLTV/HCLTV is the lesser of 75% or the maximum listed in the LTV/CLTV/HCLTV
matrices.
• Not allowed on High LTV Alt-A Program or Mortgage Maker Second Liens.
OCCUPANCY • Primary Residence (O/O), Second Homes (SH), Investment Properties (N/O/O).
ELIGIBLE BORROWERS • U.S. Citizens, Resident Aliens, Non-Occupying Co-Borrowers and Co-Signers.
• Title may be taken in the name of a trustee. The following trusts are permitted provided eligibility and
closing document requirements outlined within the applicable checklist are adhered to:
• See Form 407 to determine trust eligibility.
• See appropriate Closing Document Review for closing requirements (Form 407-LivT for Living Trust;
Form 407-LandT for Land Trusts; Form 407-BT for Blind Trusts).
First Time Home Buyer • First Time Home Buyers (FTHB): This status applies when all owner-occupant borrowers of the subject
property have not previously owned a home in the last 3 years, or have owned a residential property for
less than 12 months.
• Cash Reserve Requirements:
• Total Aurora Financing <$1,000,000: 6 months PITI required if score <660 and LTV/CLTV/HCLTV
>95%; otherwise, 2 months PITI required.
• Total Aurora Financing ≥$1,000,000: Refer to Cash Reserves topic
• First Time Homebuyers are ineligible for financing N/O/O or SH properties.
• Stated Income/Stated Assets (applicable to Mortgage Maker only) & No Doc
• Credit score must be ≥660 when CLTV/HCLTV is >80%.
• File must contain 12 months cancelled checks (front and back) to evidence eligibility with
Mortgage/Housing History Requirements outlined in Credit topics. Checks must be written on
borrower’s account. Written verification or verification via the credit report is not acceptable. Direct
written verification of rent may be accepted in lieu of cancelled checks when the landlord is a large
professional management company.
• Maximum housing payment is limited to 100% over the existing housing payment (may double).
Resident Aliens • Lawful resident aliens are eligible for the same financing as U.S. citizens if they can provide evidence of
lawful residency and they meet all of the same credit standards as U.S. citizens.
• A copy of the borrower’s identification or a processor’s certification (Form 408) is required to verify review of
the acceptable documentation that evidences borrower is eligible to lawfully reside in the U.S.
• Borrowers with diplomatic immunity are not eligible.
• Borrower must be employed in the U.S.
• Income must be likely to continue for at least 3 years.
Non-Occupying Co-Borrowers Non-occupying co-borrowers are acceptable when the following can be met:
• Occupant borrower’s ratios may not exceed 50%.
• Occupant borrower must contribute 5% from their own resources.
• All borrowers must be close relatives.
• Non-occupying co-borrower may be a co-signer/guarantor provided LTV ≤97%. Co-signer/guarantors will
be obligated for repayment of debt, but are not required to take title.

QUALIFYING • ARMs with initial adjustment periods less than 2 years:
• LTV/CLTV/HCLTV >75%, qualify at lesser of fully indexed rate or maximum second-year rate.
• LTV/CLTV/HCLTV ≤75%, qualify at the initial note rate.
• All others qualify at the initial note rate.
• Interest-only, the interest-only payment is used for qualifying.
• Temporary buydown, see temporary buydown topic if applicable.
• Paying off revolving debt to qualify is allowed. Pay down of revolving debt to qualify is unacceptable.
• Payment shock will be considered by underwriter.
Negative Cash Flow
(For seasoning
requirements refer to
LTV/CLTV/HCLTV
calculations below.)
The following policies apply to Mortgage Maker only:
• Properties with negative cash are closely reviewed to ensure an overall acceptable risk.
• Cash flow for all N/O/O dwellings and O/O 3-4 unit dwellings is calculated as follows:
• Purchase transactions:
• Negative cash flow is the monthly rent minus expenses as evidenced by the FNMA 216 Form. If
expenses are outlined on Form 216 and deemed reasonable by UW due to net rent figure, do not
apply a standard 25% maintenance and vacancy factor. If unreasonable, use 25% maintenance
and vacancy factor.
• Refinance transactions:
• For properties that have been owned >12 months and where income is documented via tax
returns, cash flow will be based off of Schedule E.
• If property has not been owned for a full tax year or if income has not been documented via tax
returns, follow purchase transaction guidelines for the subject property.
• For O/O properties, the negative cash flow for purposes of the criteria listed below is calculated
assuming all units will be rentals. For DTI calculations, use only the negative cash flow or positive
cash flow associated with the actual rental units.
• If the N/O/O property or 3-4 unit O/O subject property is generating a negative cash flow, the following
restrictions apply:
• Full Doc: Eligible for maximum financing.
• Stated Doc and No Ratio:
• With at least 12 months PITI reserves, maximum financing is available. If less than 12 months PITI
reserves, financing is limited to the lesser of LTV permitted in matrix or 95% LTV/CLTV/HCLTV.
• Stated Income/Stated Assets and No Doc:
• Rate/Term and Expanded Rate/Term only (purchase, Debt Consolidation and Cash Out are not
allowed).
• Lesser of LTV permitted in matrix or 95% LTV/CLTV/HCLTV.
• Minimum 12-month history must be verified; see Credit topic, Underwriting Guidelines and Form 520
for additional information.
• Minimum ownership seasoning of 12 months.
• Housing payment must be decreasing.
• Refer to LTV/CLTV/HCLTV Calculation topic for seasoning requirements.
Note: O/O 1-2 unit properties are not subject to additional restrictions outlined in this topic.
VALUE FOR LTV/CLTV/HCLTV
CALCULATION
Note: Additional refinance restrictions apply when property is located in Texas. See Underwriting Guidelines
and Texas Home Equity Program Profile for details. Refer to Title History Review Policy within Underwriting
Guidelines for chain of title requirements.
Purchase • Use lesser of current appraised value or acquisition cost.
Rate/Term and Expanded
• Use current appraised value
Rate/Term
Cash Out and Debt
Consolidation
• LTV/CLTV/HCLTV >75% and property owned <12 months, use lesser of current appraised value or
acquisition cost + cost of documented home improvements.
• LTV/CLTV/HCLTV ≤75%, use current appraised value.
• If property owned ≥12 months, use current appraised value.
LTV/CLTV/HCLTV
CALCULATION
• See Section 8, Definitions.
MAXIMUM CASH OUT Alt-A/High LTV Alt-A – All Loans; Mortgage Maker – First Liens without Subordinate Financing:
• Cash Out Transactions:
• Except for High LTV Alt-A, the borrower may receive an unlimited amount of cash out, unless loan
requires or has mortgage insurance. When mortgage insurance is required, amount of cash out is
limited by the applicable mortgage insurer. See Form 449 for company-specific limitations.
• Maximum Cash Out for High LTV Alt-A Product is $250,000.
Mortgage Maker – First Liens with Subordinate Financing (regardless of Second Lien lender) and
Mortgage Maker Second Liens:
• Cash Out Transactions:
• Unlimited if LTV/CLTV/HCLTVs <60% and Total Aurora Financing <$1,000,000.
• Maximum 30% of property value if LTV/CLTV/HCLTV is greater than 60% or Total Aurora Financing is
greater than or equal to $1,000,000.
• Additional cash out limitations may be imposed by the MI company. Please refer to Form 449 or
contact your local MI company for details.
All Loans:
• Debt Consolidation transactions:
• Loan proceeds used for the payoff of debt are limited to the maximum cash out limits per each
Program Profile (i.e., if maximum cash out is $200,000, only $200,000 of the loan amount may be used
for the payoff of debt). Cash out limits also include any incidental cash to borrower at closing which
may not exceed the greater of 2% of the loan amount or $2,000.

TEMPORARY BUYDOWNS • Temporary buydowns are not permitted on:
• ARMs with initial adjustment periods less than 3 years;
• Interest-only loans; or
• High LTV Alt-A or Mortgage Maker Products
• 2/1 annual buydown permitted on all others.
• CLTV/HCLTV >95% or N/O/O, qualify at the note rate.
• CLTV/HCLTV ≤95%, qualify at the initial or start rate.
CREDIT
General
• Credit Report—3 file merged credit report or RMCR required.
• Credit Score—Use lower of 2 or middle of 3 to determine each borrower’s representative score.
• No Ratio and No Doc loans: Lowest representative score of all borrowers is used to qualify.
• Full/Alt, Stated Doc and Stated Income/Stated Assets (Mortgage Maker only) loans: The score of the
primary income borrower (occupant borrower who earns >50% of the qualifying income) will be used for
qualifying and pricing. If no occupant borrower earns >50% of the qualifying income, use the lowest
representative score of all borrowers. Credit of co-borrowers (but not credit score) is expected to meet
applicable requirements.
• A valid/usable credit score is one generated based on a minimum of 3 trade lines at least 2 or more years
old and accurately reflecting borrower’s credit history.
• Credit Report—3 file merged credit report or RMCR required.
• Additional Credit Information can be found in Underwriting Guidelines.
<$1,000,000 Total Aurora
Financing
Alt-A/High LTV Alt-A <$1,000,000 MM <$1,000,000
Trade Lines Min. 3 trades ≥2-year history. Min. 3 trades ≥2-year history.
Mortgage/Housing1
Documentation • Loans without a 12-month documented
housing history may be permitted provided all
of the following are met:
o O/O
o 1-2 unit
o Total Aurora Financing ≤$500,000
o Full, Stated, or No Ratio
o Score is ≥660 or Borrower has 12 months
verified assets after closing
• For all other loans, additional exceptions may
be permitted. Underwriter discretion to waive
documented housing history will be based on
overall file strength.
• Loans without a 12-month documented housing
history may be permitted provided all of the following
are met:
o O/O
o 1-2 unit
o Total Aurora Financing ≤$500,000
o Full, Stated, or No Ratio
o Score is ≥660 or Borrower has 12 months
verified assets after closing
• For all other loans, a documented Housing history is
required. See Housing History Requirements, Form
520 for details and possible exceptions
History • 0x30 in past 12 mos.
• 1x30 in past 24 mos.
• 12 month Mortgage/Rental History is required.
• 1x30 in past 12 months.
Installment and Revolving Rely on credit score; overall credit analysis must
indicate an overall willingness and ability to repay
debts in timely manner with strong emphasis on
larger obligations.
• Rely on credit score; overall credit analysis must
larger obligations.
• All installment and revolving must be current at
closing.
Bankruptcy None in past 3 yrs, no derogatory credit after BK,
re-established credit covering most recent 2 yrs.
None in past 2 years, no derogatory credit after BK, re-established
credit covering the most recent 2 yrs.
If N/O/O:
• Re-established credit must include a mortgage
rating.
• Full Doc only.
Foreclosure None in past 3 yrs. None in past 3 years.
Major Derogatory
(collections, judgments, etc.)
The Borrower’s overall credit in the last 24 months must show a willingness and capacity to repay.
≥$1,000,000 Total Aurora
Financing
Alt-A/High LTV Alt-A ≥$1,000,000 MM ≥$1,000,000
Trade Lines Min. 5 trades (3 must be ≥2 yrs). Min. 5 trades (3 must be ≥2 yrs).
Mortgage/Housing1
0x30 in past 12 mos.
1x30 in past 24 mos.
12-month Mortgage/Rental History is required.
0x30 in past 2 years.
2x30 in past 4 years (if shown on credit report).
Installment and Revolving Rely on credit score; overall credit analysis must
larger obligations.
• Installment: 1x30 in past 2 years.
• Revolving: 2x30 & 1x60 in past 2 years
• All installment and revolving must be current at
closing.
Bankruptcy None in past 7 yrs, no derogatory credit after BK,
re-established credit covering most recent 2 yrs.
None in past 7 years, no derogatory credit after BK, re-established
credit covering the most recent 2 years.
If N/O/O:
• Re-established credit must include a mortgage
rating.
• Full Doc only.
Foreclosure None in past 7 yrs. None in past 7 years.
Major Derogatory
(collections, judgments, etc.)
The Borrower’s overall credit in the last 24 months must show a willingness and capacity to repay.
1 – Refer to Section 504.2-11 of Underwriting Guidelines and Form 520 (for Mortgage Maker loans) for
documentation requirements and additional information.

TOTAL AURORA FINANCING ≥
$1,000,000
• Subject must be in a strong market of similarly priced homes. The relationship between final value and
predominant value should be reasonable.
• If nature of borrower’s employment is not evident, file should contain a brief narrative explaining it. Not
required on No Doc loans.
• Borrowers expected to have above-average verified asset base. See Cash Reserves topic.
REQUIRED DOWN PAYMENT • Required down payment must be from the borrower’s own resources.
• Required down payment is based on occupancy, LTV/CLTV/HCLTV and documentation.
Full/Alt Doc Stated Doc, Stated Income/Stated Assets
and No Ratio
Primary Residence
• Lesser of:
• 5% all programs
• 3% if LTV >95%; or
• Required down payment based on
LTV/CLTV/HCLTV (meaning 0 if
LTV/CLTV/HCLTV is 100%).
• See All Gift Downpayment topic for exceptions.
• Lesser of:
• 5% all programs; or
• See All Gift Downpayment topic for exceptions.
Second Home • Lesser of:
• Lesser of:
• 10% if Alt-A or High LTV Alt-A
• 5% if MM; or
Non-Owner Occupied • Lesser of:
• Lesser of:
• 15% for Alt-A Products
• 10% for High LTV Alt-A Products
• 5% if MM; or
CASH RESERVES
Total Aurora Financing
<$1,000,000
• Reserves not required on No Doc loans.
• Reserve requirements:
• 6 months PITI required if:
• N/O/O
• O-O 3- to 4-units, or
• FTHB with score <660 and LTV/CLTV/HCLTV >95%;
• 2 months PITI for all others.
• When providing Aurora financing on multiple properties, the borrower must meet an aggregate of the
applicable reserve requirements. For example: if lending to one borrower on two N/O/O properties, the
borrower must have 6 months of reserves for each property. The underwriter should be cognizant of any
other properties acquired by a borrower in the last 12 months and may require additional reserves as a part
of our current transaction.
• On Cash-out refinances, proceeds may be used for reserves.
• Mortgage Maker: See also Mortgage/ Housing in the Credit topic of this profile, and Negative Cash flow for
potential additional options.
Total Aurora Financing
≥$1,000,000
Funds must be from borrower’s own resources (not from borrower’s business). Funds must be available to the
borrower prior-to- and after-closing. Proceeds from the transaction (i.e., refinance proceeds, etc.) or sale of
assets, may not be used to meet this asset requirement. Reserves not required on No Doc loans.
6 months PITI required if:
• Full Doc
• Stated Doc, Stated Income/Stated Assets, or No Ratio loans if:
• LTV/CLTV/HCLTV is ≤60%; or
• LTV/CLTV/HCLTV >60% when all of the following are present:
• Loan amount is ≤$2,000,000;
• Credit score is ≥720 if Alt-A/High LTV Alt-A, ≥680 if MM;
• Purchase, Rate/Term or Expanded Rate/Term; and
• No exceptions to loan amount or LTV have been granted.
• All other transactions (except No Doc loans) require 12 months PITI.
GIFT FUNDS • Gift may be from a family member, domestic partner or someone with a demonstrated close relationship,
non-profit organization, municipality or borrower’s employer. However, seller-funded gift programs (such as
Nehemiah) are not acceptable.
• Gift letter required.
• Transfer of funds or evidence of receipt must be documented.
• Not permitted on No Doc or N/O/O.
• Acceptable after a minimum down payment has been made by the borrower from their own resources, if
required. See Required Down Payment topic.
• Gift funds may not be used for reserves.

All Gift Down Payment Option Borrower’s minimum down payment may be waived on loans provided:
• LTV/CLTV/HCLTV less than or equal to 80%.
• Full/Alt, Stated, No Ratio or Stated Income/Stated Assets (Mortgage Maker only).
• O/O only.
• Gift funds may be used for closing costs, but not reserves.
CONTRIBUTIONS BY AN
INTERESTED PARTY
• Contributions by an interested party may be used for closing costs, prepaids and other financing costs
provided the maximum contribution does not exceed the limits below.
• Total of the contribution percentage plus the LTV (or CLTV/HCLTV, if applicable) may not exceed 103%.
• 3% if LTV/CLTV/HCLTV >90% on owner occupied and second homes.
• 6% if CLTV/HCLTV 75.01-90% on owner occupied and second homes.
• 9% if CLTV/HCLTV ≤75% on owner occupied and second homes.
• 3% on non-owner occupied regardless of LTV/CLTV/HCLTV.
SUBORDINATE FINANCING • Subordinate financing is permitted (within limitations outlined in LTV/CLTV/HCLTV matrices) provided:
• Loan is not a High LTV Alt-A Product.
• The terms of subordinate lien:
1) May not include a balloon payment within the first 5 years, and
2) Payment must be sufficient to cover interest due.
3) Copy of the note must be provided.
4) Interest rate and payment may not change more than once a year.
• Variable payments, including Home Equity Lines of Credit are acceptable.
• File must contain a copy of the note.
• Private party subordinate financing is not permitted. Private Party subordinate financing refers to financing
provided by the seller, builder or other non-financial institution.
• Aurora Mortgage Maker Piggyback products are allowable subordinate liens for any Aurora First Lien
Product that allows subordinate financing (except Expanded OptionsSM). Aurora Alt-A Piggybacks are
permitted behind an Aurora Alt-A First Lien only. See applicable Program Profile for details.
• If Aurora is providing subordinate financing, the loan must meet Aurora’s Second Lien guidelines and
program requirements. No additional financing is permitted when Aurora is providing a first and a second
mortgage. Second mortgage guidelines may be more restrictive than first mortgage guidelines; hence in a
piggyback situation both mortgages must meet the more restrictive guidelines.
• Acceptable mortgage insurers are GE (Genworth), MGIC, RMIC, Radian, PMI, UGRIC, Triad and CMG for
Credit Union Lenders. Note: Not all MI companies will insure loans underwritten to these guidelines. See
Form 449 regarding company-specific MI requirements for Alt-A and Mortgage Maker loans. Clients should
contact their local MI company for guidance.
• ALT-A
• Loans with LTVs above 80% require mortgage insurance or must comply with the High LTV Alt-A
Program. Monthly mortgage insurance is the only acceptable mortgage insurance option at this time.
• MI is not required on High LTV Alt-A Program.
ALT-A MI Coverage Requirements
LTV Standard Reduced Coverage 15 & 20 Yr. Loans
80.01 - 85% 12% (25% if N/O/O) 6% (25% if N/O/O)
85.01 - 90% 25% (25% if N/O/O) 12% (25% if N/O/O)
90.01 - 95% 30% 25%
MORTGAGE INSURANCE
>95% 35% 30%
• Mortgage Maker
• Monthly mortgage insurance is the only acceptable mortgage insurance option at this time.
• “No MI” pricing is available on all scenarios over 80% LTV. Please refer to the “No MI” Pricing
matrices for LTV/CLTV/HCLTV limitations.
Mortgage Maker MI Coverage Requirements
LTV Minimum Coverage
80.01 – 85% 25%
85.01 – 90% 30%
>90% 35%
APPRAISAL See Underwriting Guidelines, Section 508.2 for requirements for Operating Income Statement (Form 216) and
Comparable Rent Schedule (Form 1007).
<$1,000,000 *Transaction Value • One traditional, full appraisal completed by a state licensed or state-certified appraiser required.
≥$1,000,000 *Transaction Value • One traditional, full appraisal completed by a state-certified appraiser required.
*Transaction Value = Greater of the sales price or appraised value.
Complex Properties • Appraisals must be completed by a state-certified appraiser.
>$650,000 Loan Amount • Interior photographs required.
TITLE REQUIREMENTS • First Liens: Full title policy is required on all loans.
• Piggyback Liens: A copy of the preliminary title report which was obtained for the First Lien must be
provided. Title insurance coverage for Piggyback loans is only required on loans >$200,000. Aurora
Second Liens with loan amounts ≤$200,000: Title insurance coverage is not required. Refer to Section 6 for
complete details.
MAXIMUM EXPOSURE Aurora will limit its financing exposure to one borrower or group of borrowers as outlined below. This includes
the total of all loans to all borrowers, including existing (including loans serviced by other lenders on behalf of
Aurora) and pending transactions. In the event of a concurrent Piggyback transaction, the Piggyback and First
Lien loan will count as one loan. Maximum dollar thresholds still apply. Stand-alone transactions will be treated
as individual loans even when placed behind an existing Aurora loan. Exceptions may be considered on a case-by-
case basis through the LPER process on Alt-A First Liens, excluding Alt-A High LTV loans.

O/O SH N/O/O
$6,000,0001 aggregate of all
financed transactions provided by
Aurora
$6,000,0001 aggregate of all
financed transactions provided by
Aurora
• 4 N/O/O loans not to exceed
an aggregate amount of
$1,000,000 provided total
exposure does not exceed
$6,000,0001 (total exposure
includes borrower’s O/O and
SH financed transactions); or
• 1 N/O/O if loan is >$1,000,000
provided total exposure does
not exceed $6,000,0001 (total
exposure includes borrower’s
O/O and SH financed
transactions).
1— Once the aggregate exposure exceeds $4,000,000, all additional loans must be either Alt-A/High LTV Alt-A
or Classic.
Maximum Number of
Financed Properties
In addition to the maximum exposure limitations, the maximum number of financed 1-4 unit properties
(regardless of lending source) a borrower or group of borrowers may own is limited as outlined below. The
subject property, all borrowers’ primary residence properties and any properties pending financing are included in
this total. Exceptions may be considered on a case-by-case basis through the LPER process on Alt-A first liens,
excluding Alt-A High LTV loans.
O/O SH N/O/O
No limit 10 10
LANDLORD EXPERIENCE • Loans made to borrowers owning multiple N/O/O properties must meet the following:
• File must contain documentation evidencing borrower’s experience owning multiple investment
properties (two years’ experience required); or
• Borrower has acquired or is in the process of acquiring a maximum of (including subject property, if
applicable):
• ≤Two financed investment properties within the last six months; and/or
• ≤Four financed investment properties within the last two years.
• All financed 1- to 4- unit investment properties (properties, not units), regardless of the source of financing
will be considered in the above eligibility determination.
• First Time Homebuyers are ineligible for financing N/O/O or SH properties.
• See Underwriting Guidelines for more information.
SECTION 32 / HIGH COST
LOAN
Sellers are responsible for identifying loans that are considered high cost loans as defined by federal and/or state
laws and/or regulations. Aurora does not Purchase high cost loans as defined by federal regulations (Section 32)
and/or state regulations. Upon delivery of all loans to Aurora, the Seller represents and warrants:
• Loan is not a high cost loan as defined by Section 32 of the Federal Truth-in-Lending Act; and
• Loan is not a high cost loan as defined by applicable state laws and/or regulations; and
• First Liens, Conforming loan amounts: Total points and fees may not exceed 5% of the loan amount. Refer
to Form 720 for details regarding fees included in the 5% test; and
• Loans with original principal balance “OPB” ≥$75,000: Broker Compensation may not exceed 5% of the
OPB. Broker Compensation refers to fees paid to the Broker either by the Lender or directly by the
borrower, and often financed as part of the loan.
INTEREST-ONLY (I-O) • Payments are interest-only for the first 10 or 5 years, as applicable, and fully amortizing for the remaining
term. No negative amortization.
• The interest-only monthly payment is calculated each month based on the current balance. If borrower
makes voluntary prepayments of principal during the Interest-Only Period, the subsequent monthly
payments will be based on the lower principal balance.
• Not available on First Lien loans with a temporary buydown or an Aurora Second Lien (although the First
Lien may contain an interest-only feature).
• ARM Loans use Form 603E to amend the ARM note and 603F to amend the ARM rider to the security
instrument (See Forms TOC and Section 6 for additional details).
I-O ELIGIBILITY Period Alt-A and High LTV Alt-A Mortgage Maker
5-year I-O Period 30-year Fixed Rate only 2/6 & 3/6 LIBOR
10-year I-O Period All products with a 30-year term 30-year Fixed & 5/6 LIBOR

PREPAYMENT PENALTY • Permitted on transactions in accordance with state-specific restrictions as outlined on Form 603A
• Form 603A includes instructions, legal documentation requirements and state restrictions.
• The prepayment penalty feature is an option, not a requirement. If prepayment penalty features is selected,
the following overall (prepayment penalty period) and hard/soft penalties should be selected.
Prepay Periods Alt-A and High LTV Alt-A Mortgage Maker
2 year Overall w/ 1 year Hard Not permitted 2/6, 3/6, 5/6 LIBOR
2 year Overall with soft prepay Not permitted Not permitted
3 year Overall w/ 1 year Hard Permitted on all products & loan
sizes
Fixed-rate, 3/6 & 5/6
3 year Overall with soft prepay Permitted on all except A6MH and
loan≥$650,000
Not permitted
UNDERWRITING • First Lien loans may be underwritten by Purchaser, an approved contract underwriter (see Form 411,
Approved Contract Underwriters) or a Seller approved for Delegated Underwriting Authority.
SERVICING OPTIONS • Eligible for Servicing Retained and Servicing Released.
• High LTV Alt-A products available to Servicing Released Sellers only.
ESCROW ACCOUNT • When LTV ≤80%, borrowers may choose to waive monthly real estate tax and insurance impounds.
Escrows may be waived on LTVs >80% only when mandatory escrow is prohibited by state regulations.
See Price Adjustment Factors on the daily rate sheet for any price differential.
LEGAL DOCUMENTS • Loans are to be closed using most recent FNMA/FHLMC approved legal documents (including notes, riders
and security instruments, state-specific where required) dated 1/01 or later and Aurora-specific documents
as specified below.
• If closed in the name of a Trustee, see appropriate Closing Document Review (Form 407-LivT for Living
Trust; Form 407-LandT for Land Trust; Form 407-BT for Blind Trust).
Alt-A/High LTV Alt-A/Mortgage Maker Products Alt-A/High LTV Alt-A Products
Alt-A and High LTV Alt-A Products: Product code begins in “A”; Mortgage Maker Products: Product code begins in “G”
Hybrid-LIBOR ARMs LIBOR Hybrid-LIBOR ARMs
Product Identifiers Product Identifiers
Product A76L A10L A31L A51L A71L A101
Codes
Product
Features
Fixed Rate
2/6 3/6 5/6 7/6 10/6 6-Month
(High Margin)
3/1 5/1 7/1 10/1
A30F; A20F; A15F
G30F; G20F; G15F
G26L A36L
G36L
A56L
G25L
A30F: 25 or 30 yr
G30F: 30 yr
A20F/G20F: 20 yr
A15F/G15F: 10 or 15 yr
These 30-yr hybrid-LIBOR products are fixed for
the number of years listed first in product identifier
(i.e., 2 years for 2/6). Thereafter, the products are
subject to adjustments every 6 months.
A6MH -
30-year
These 30-yr hybrid-LIBOR products are fixed for the
number of years listed first in product identifier (i.e., 3
years for 3/1). Thereafter, the products are subject to
adjustments every 1 year.
Caps1 N/A G26L and G36L: 2/2/6
All Others: 6/2/6
1/1/6 2/2/5 5/2/5 5/2/5 5/2/5
Floor N/A Mortgage Maker: Start Rate
All Others: Margin
margin margin
Index N/A 6-Month LIBOR 6-Month
LIBOR
1-Year LIBOR
Margin N/A See rate sheet for margin on ARM products.
FNMA Note2 3200
If I-O: 3271
35204 35204 FHLMC
5530 5
FHLMC 55316
Aurora Note
Addendum
N/A Form 1201
If I-O, add: 603E
If I-O, add: 603E
Security
Instrument
State Specific State Specific State-Specific
FNMA Rider2 N/A 31384 31384 FHLMC
51305
FHLMC
55316
FHLMC 51316
Aurora Rider N/A Form 1202
If I-O, add: 603F
If I-O, add: 603F
Disclosure3,7 N/A 624 A36L:
610
G36L:
621
A56L:
611
G25L:
1225
612 613 605 614 615 616 617
Assumable No No Yes Yes Yes during ARM period
Convertible No No No No
1. Caps = Initial Cap (Max increase or decrease at first Change Date) / Periodic Cap (Max periodic increase or decrease after the first Change Date) / Life Cap (Max
increase in interest rate over the initial rate during the life of the loan).
2. State specific forms or multi-state modified for state specific use as identified by Fannie Mae must be used.
3. May use any format provided disclosures are in full compliance with all federal regulations and given to borrower within the required time frame.
4. May use FHLMC 5520 and FHLMC 5120.
5. A31L: May use FNMA Note 3526 and Rider 3189.
6. A51L, A71L, A101: May use FNMA Note 3528 and Rider 3187.
7. If interest-only ARM, use version of disclosure that includes IO in the document title (i.e., 610-IO; 611-IO, etc.).

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Lehman Brothers ALT-A mortgage outline August 18 2006