Floating Rate Certificate A Certificate that provides for the payment of interest at a Floating Pass-Through Rate determined periodically by reference to a formula specified in the related Supplement.

Adjustable Rate Certificates The Class A Certificates and the Mezzanine Certificates.

Interest Margin Except as set forth in the following sentence, with respect to each Class of Regular Certificates, the following percentages: Class I-A Certificates, 0.150%; Class II-A-1 Certificates, 0.050%; Class II-A-2 Certificates, 0.110%; Class II-A-3 Certificates, 0.160%; Class II-A-4 Certificates, 0.240%; Class M-1 Certificates, 0.270%; Class M-2 Certificates, 0.310%; Class M-3 Certificates, 0.330%; Class M-4 Certificates, 0.380%; Class M-5 Certificates, 0.420%; Class M-6 Certificates, 0.510%, Class M-7 Certificates, 0.950%, Class M-8 Certificates, 1.100%, Class M-9 Certificates, 1.950%, Class M-10 Certificates, 2.000% and Class M-11 Certificates, 2.000%. On the first Distribution Date after the Optional Termination Date, the Interest Margins shall increase to the following percentages: Class I-A Certificates, 0.300%; Class II-A-1 Certificates, 0.100%; Class II-A-2 Certificates, 0.220%; Class II-A-3 Certificates, 0.320%; Class II-A-4 Certificates, 0.480%; Class M-1 Certificates, 0.405%; Class M-2 Certificates, 0.465%; Class M-3 Certificates, 0.495%; Class M-4 Certificates, 0.570%; Class M-5 Certificates, 0.630%; Class M-6 Certificates, 0.765%, Class M-7 Certificates, 1.425%, Class M-8 Certificates, 1.650%, Class M-9 Certificates, 2.925%, Class M-10 Certificates, 3.000% and Class M-11 Certificates, 3.000%.

Fixed Rate Certificate A Certificate that provides for a payment of interest at a Fixed Pass-Through Rate.

Interest Factor means monthly compounding, discounting or annuitizing, as applicable, at a rate set forth in Exhibit A.

Interest Reset Period The period beginning on the applicable Reset Date and ending on the calendar day preceding the next Reset Date.

Accrued Interest Amount For any Distribution Date and for any Undercollateralized Group, an amount equal to one month’s interest on the applicable Principal Deficiency Amount at the Net WAC of the applicable Loan Group, plus any interest accrued on such Undercollateralized Group remaining unpaid from prior Distribution Dates.

Class B-2 Interest Shortfall Amount As to any Distribution Date, any amount by which the Interest Accrual Amount of the Class B-2 Certificates with respect to such Distribution Date exceeds the amount distributed in respect of the Class B-2 Certificates on such Distribution Date pursuant to Paragraph eighth of Section 4.01(a).

Accrued Interest means, with respect to Single Family Shared-Loss Loans, the amount of earned and unpaid interest at the note rate specified in the applicable loan documents, limited to 90 days.

Class A-2 Interest Rate means [ ]% per annum (computed on the basis of a 360-day year of twelve 30-day months).

REMIC I Regular Interest I-LTP One of the separate non-certificated beneficial ownership interests in REMIC I issued hereunder and designated as a Regular Interest in REMIC I. REMIC I Regular Interest I-LTP shall be entitled to any Prepayment Charges collected by the Master Servicer and to a distribution of principal, subject to the terms and conditions hereof, in an aggregate amount equal to its initial Uncertificated Balance as set forth in the Preliminary Statement hereto.

Floating Rate Certificates The Class A Certificates and the Mezzanine Certificates.

Fixed Rate Certificates As specified in the Preliminary Statement.

Class A-1 Interest Rate means [ ]% per annum (computed on the basis of the actual number of days elapsed during the applicable Interest Period, but assuming a 360-day year).

Class B-1 Unpaid Interest Shortfall As to any Distribution Date, the amount, if any, by which the aggregate of the Class B-1 Interest Shortfall Amounts for prior Distribution Dates is in excess of the amounts distributed in respect of the Class B-1 Certificates on prior Distribution Dates pursuant to Paragraph sixth of Section 4.01(a).

Interest Accrual Period means the period beginning on (and including) the Interest Commencement Date and ending on (but excluding) the first Interest Period Date and each successive period beginning on (and including) an Interest Period Date and ending on (but excluding) the next succeeding Interest Period Date.

Class B-3 Unpaid Interest Shortfall As to any Distribution Date, the amount, if any, by which the aggregate of the Class B-3 Interest Shortfall Amounts for prior Distribution Dates is in excess of the amounts distributed in respect of the Class B-3 Certificates on prior Distribution Dates pursuant to Paragraph twelfth of Section 4.01(a).

Class C Interest Rate means [ ]% per annum (computed on the basis of a 360-day year of twelve 30-day months).

Class B-2 Unpaid Interest Shortfall As to any Distribution Date, the amount, if any, by which the aggregate of the Class B-2 Interest Shortfall Amounts for prior Distribution Dates is in excess of the amounts distributed in respect of the Class B-2 Certificates on prior Distribution Dates pursuant to Paragraph ninth of Section 4.01(a).

Maximum Uncertificated Accrued Interest Deferral Amount With respect to any Distribution Date, the excess of (i) accrued interest at the Uncertificated REMIC II Pass-Through Rate applicable to REMIC II Regular Interest ZZ for such Distribution Date on a balance equal to the Uncertificated Principal Balance of REMIC II Regular Interest ZZ minus the REMIC II Overcollateralization Amount, in each case for such Distribution Date, over (ii) the aggregate amount of Uncertificated Accrued Interest for such Distribution Date on the REMIC II Regular Interests (other than REMIC II Regular Interests AA, ZZ and IO), with the rate on each such REMIC II Regular Interest (other than REMIC II Regular Interests B-1, B-2, B-3 and B-4) subject to a cap equal to the least of (x) the One-Month LIBOR Pass Through Rate for the Corresponding Certificate, (y) 11.00% per annum and (z) the Net WAC Cap Rate for the REMIC III Regular Interest the ownership of which is represented by the Corresponding Certificate for the purpose of this calculation for such Distribution Date, and with the rate on each of the REMIC II Regular Interests B-1, B-2, B-3 and B-4 subject to a cap equal to the lesser of (i) the per annum fixed rate specified in the definition of “Pass-Through Rate” for the Corresponding Certificate, and (ii) the related Net WAC Cap Rate for the REMIC III Regular Interest the ownership of which is represented by the Corresponding Certificate for the purpose of this calculation for such Distribution Date; provided, however, that solely for this purpose, the related cap with respect to each REMIC II Regular Interest (other than REMIC II Regular Interests AA, ZZ, B-1, B-2, B-3, B-4 and IO) shall be multiplied by a fraction, the numerator of which is 30 and the denominator of which is the actual number of days in the related Accrual Period. MERS: Mortgage Electronic Registration Systems, Inc., a corporation organized and existing under the laws of the State of Delaware, or any successor thereto.

Interest Rate Period means that period of time for which the interest rate with respect to the Bonds has been determined by the Remarketing Agent or otherwise as provided in the definition of the applicable Interest Rate Mode, commencing on the applicable Interest Rate Adjustment Date, and terminating on the day immediately preceding the following Interest Rate Adjustment Date, if any.

Class B-5 Unpaid Interest Shortfall As to any Distribution Date, the amount, if any, by which the aggregate of the Class B-5 Interest Shortfall Amounts for prior Distribution Dates is in excess of the amounts distributed in respect of the Class B-5 Certificates on prior Distribution Dates pursuant to Paragraph eighteenth of Section 4.01(a).

Class B-6 Unpaid Interest Shortfall As to any Distribution Date, the amount, if any, by which the aggregate of the Class B-6 Interest Shortfall Amounts for prior Distribution Dates is in excess of the amounts distributed in respect of the Class B-6 Certificates on prior Distribution Dates pursuant to Paragraph twenty-first of Section 4.01(a).

Class B-1 Interest Shortfall Amount As to any Distribution Date, any amount by which the Interest Accrual Amount of the Class B-1 Certificates with respect to such Distribution Date exceeds the amount distributed in respect of the Class B-1 Certificates on such Distribution Date pursuant to Paragraph fifth of Section 4.01(a).

Class B-4 Unpaid Interest Shortfall As to any Distribution Date, the amount, if any, by which the aggregate of the Class B-4 Interest Shortfall Amounts for prior Distribution Dates is in excess of the amounts distributed in respect of the Class B-4 Certificates on prior Distribution Dates pursuant to Paragraph fifteenth of Section 4.01(a).

Class B-5 Interest Shortfall Amount As to any Distribution Date, any amount by which the Interest Accrual Amount of the Class B-5 Certificates with respect to such Distribution Date exceeds the amount distributed in respect of the Class B-5 Certificates on such Distribution Date pursuant to Paragraph seventeenth of Section 4.01(a).