## Related to *Current Class B Interest Distribution Amount*

**Current Class A Interest Distribution Amount** As to any Distribution Date, the amount distributed in respect of the Classes of Class A Certificates pursuant to Paragraph first of Section 4.01(a) on such Distribution Date.

**Class B Interest Distribution Amount** With respect to any Distribution Date, an amount equal to the product of (i) the Class B Percentage Interest and (ii) the amount of interest distributable pursuant to Section 4.01(b) of this Agreement in respect of the Class B Regular Interest on such Distribution Date.

**Class C Interest Distribution Amount** With respect to any Distribution Date, an amount equal to the product of (i) the Class C Percentage Interest and (ii) the amount of interest distributable pursuant to Section 4.01(b) of this Agreement in respect of the Class C Regular Interest on such Distribution Date.

**Class PEZ Interest Distribution Amount** With respect to any Distribution Date, an amount equal to the sum of (i) the product of (a) the Class A-M-PEZ Percentage Interest and (b) the amount of interest distributable pursuant to Section 4.01(b) of this Agreement in respect of the Class A-M Regular Interest on such Distribution Date, (ii) the product of (a) the Class B-PEZ Percentage Interest and (b) the amount of interest distributable pursuant to Section 4.01(b) of this Agreement in respect of the Class B Regular Interest on such Distribution Date and (iii) the product of (a) the Class C-PEZ Percentage Interest and (b) the amount of interest distributable pursuant to Section 4.01(b) of this Agreement in respect of the Class C Regular Interest on such Distribution Date.

**Class A Interest Distribution Amount** means, as to each Class of Class A Certificates and any Remittance Date, the sum of the amounts specified in clause (a)(i), (a)(ii), (a)(iii), (a)(iv), (a)(v) and (a)(vi), as appropriate, of the definition of the term "Class A Formula Distribution Amount" and the Unpaid Class A Interest Shortfall, if any, with respect to such Class.

**VRR Interest Distribution Amount** With respect to any Distribution Date, an amount equal to the product of (A) the VRR Allocation Percentage and (B) the aggregate amount of interest distributed to the Holders of the Non-VRR Certificates pursuant to Section 4.01(b)(i), (iv), (vii), (x), (xiii), (xvi), (xix), (xxii) and (xxv) on such Distribution Date.

**Class Optimal Interest Distribution Amount** With respect to any Distribution Date and interest bearing Class or, with respect to any interest bearing Component, the sum of (i) one month's interest accrued during the related Interest Accrual Period at the Pass-Through Rate for such Class on the related Class Certificate Balance, Component Balance, Notional Amount or Component Notional Amount, as applicable, immediately prior to such Distribution Date subject to reduction as provided in Section 4.02(d) and (ii) any Class Unpaid Interest Amounts for such Class or Component.

**Class C Distribution Amount** With respect to any Distribution Date, the sum of (i) the Current Interest for the Class C Interest for such Distribution Date, (ii) any Overcollateralization Release Amount for such Distribution Date and (iii) without duplication, any Subsequent Recoveries not distributed to the Class A, Class M and Class B Certificates on such Distribution Date; provided, however, that, on any Distribution Date after the Distribution Date on which the Certificate Principal Balances of the Class A, Class M and Class B Certificates have been reduced to zero, the Class C Distribution Amount shall include the Overcollateralization Amount.

**Interest Distribution Amount** With respect to any Class of Regular Certificates for any Distribution Date, an amount equal to (A) the sum of (i) the Interest Accrual Amount with respect to such Class of Certificates for such Distribution Date and (ii) the Interest Shortfall, if any, with respect to such Class of Certificates for such Distribution Date, less (B) any Excess Prepayment Interest Shortfall allocated to such Class of Certificates on such Distribution Date. For purposes of clause (B) above, the Excess Prepayment Interest Shortfall, if any, for each Distribution Date shall be allocated to each Class of Regular Certificates in an amount equal to the product of (i) the amount of such Excess Prepayment Interest Shortfall and (ii) a fraction, the numerator of which is the Interest Accrual Amount for such Class for such Distribution Date and the denominator of which is the aggregate Interest Accrual Amounts for all Classes of Regular Certificates for such Distribution Date.

**Class B-1 Distribution Amount** As to any Distribution Date, any amount distributable to the Holders of the Class B-1 Certificates pursuant to Paragraphs fifth, sixth and seventh of Section 4.01(a).

**Class B-2 Distribution Amount** As to any Distribution Date, any amount distributable to the Holders of the Class B-2 Certificates pursuant to Paragraphs eighth, ninth and tenth of Section 4.01(a).

**Class B-6 Distribution Amount** As to any Distribution Date, any amount distributable to the Holders of the Class B-6 Certificates pursuant to Paragraphs twentieth, twenty-first and twenty-second of Section 4.01(a).

**Class B Interest Distributable Amount** means the amount of interest accrued during the related Interest Period (calculated on the basis of a 360 day year consisting of twelve 30 day months) on the Class B Principal Balance as of the immediately preceding Payment Date (after giving effect to payments of principal made on such immediately preceding Payment Date) at the Class B Rate or, in the case of the first Payment Date, on the Class B Initial Principal Balance.

**Class B-4 Distribution Amount** As to any Distribution Date, any amount distributable to the Holders of the Class B-4 Certificates pursuant to Paragraphs fourteenth, fifteenth and sixteenth of Section 4.01(a).

**Class PO Principal Distribution Amount** With respect to each Distribution Date and any Class of Principal Only Certificates, an amount equal to the sum of:

**Class PEZ Principal Distribution Amount** With respect to any Distribution Date, an amount equal to the sum of (i) the product of (a) the Class A-M-PEZ Percentage Interest and (b) the Class A-M Regular Interest Principal Distribution Amount for such Distribution Date, (ii) the product of (a) the Class B-PEZ Percentage Interest and (b) the Class B Regular Interest Principal Distribution Amount for such Distribution Date and (iii) the product of (a) the Class C-PEZ Percentage Interest and (b) the Class C Regular Interest Principal Distribution Amount for such Distribution Date.

**Class B-5 Distribution Amount** As to any Distribution Date, any amount distributable to the Holders of the Class B-5 Certificates pursuant to Paragraphs seventeenth, eighteenth and nineteenth of Section 4.01(a).

**Class B-1 Principal Distribution Amount** With respect to any Distribution Date, the excess of (i) the sum of (A) the aggregate Class Certificate Balances of the Class A Certificates (after taking into account the distribution of the Class A Principal Distribution Amount for such Distribution Date), (B) the Class Certificate Balance of the Class M-1 Certificates (after taking into account the distribution of the Class M-1 Principal Distribution Amount for such Distribution Date), (C) the Class Certificate Balance of the Class M-2 Certificates (after taking into account the distribution of the Class M-2 Principal Distribution Amount for such Distribution Date), (D) the Class Certificate Balance of the Class M-3 Certificates (after taking into account the distribution of the Class M-3 Principal Distribution Amount for such Distribution Date) and (E) the Class Certificate Balance of the Class B-1 Certificates immediately prior to such Distribution Date over (ii) the lesser of (A) 87.90% of the aggregate Stated Principal Balance of the Mortgage Loans for such Distribution Date and (B) the excess, if any, of the aggregate Stated Principal Balance of the Mortgage Loans for such Distribution Date over $3,608,680.

**Current Interest Distribution Amount** With respect to any Distribution Date for (x) any Regular Certificate, interest accruing during the related applicable Certificate Interest Accrual Period at the applicable Pass-Through Rate for such Certificate Interest Accrual Period on the outstanding Certificate Balance or Notional Amount of such Certificate as of the prior Distribution Date (after giving effect to distributions of principal and allocations of Realized Losses on such prior Distribution Date), and (y) any Uncertificated Lower-Tier Interest, interest accruing during the applicable Certificate Interest Accrual Period at the applicable Pass-Through Rate for such Certificate Interest Accrual Period on the then outstanding Lower-Tier Principal Amount of such Class as of the prior Distribution Date (after giving effect to distributions of principal and allocations of Realized Losses on such prior Distribution Date).

**Class B Distribution Amount** Any of the Class B-1, Class B-2, Class B-3, Class B-4, Class B-5 or Class B-6 Distribution Amounts.

**Class C Principal Distribution Amount** With respect to any Distribution Date, an amount equal to the product of (i) the Class C Percentage Interest and (ii) the Class C Regular Interest Principal Distribution Amount for such Distribution Date.

**Class A-P Principal Distribution Amount** With respect to any Distribution Date and, with respect to any Mortgage Pool comprised of two or more Loan Groups, each Loan Group, an amount equal to the aggregate of:

**AP Principal Distribution Amount** Not applicable.

**Class B-3 Distribution Amount** As to any Distribution Date, any amount distributable to the Holders of the Class B-3 Certificates pursuant to Paragraphs eleventh, twelfth and thirteenth of Section 4.01(a).

**M1 Principal Distribution Amount** With respect to any Distribution Date on or after the Stepdown Date and as long as a Trigger Event is not in effect with respect to such Distribution Date, the amount, if any, by which (x) the sum of (i) the aggregate Class Principal Amount of the Senior Certificates after giving effect to distributions on such Distribution Date and (ii) the Class Principal Amount of the Class M1 Certificates immediately prior to such Distribution Date exceeds (y) the M1 Target Amount.