Class X Pass-Through Rate With respect to each Class of Class X Certificates, for any Distribution Date, the excess, if any of (a) the Weighted Average Net Mortgage Rate for such Distribution Date, over (b) the weighted average of the Pass-Through Rates on the Underlying Classes of Principal Balance Certificates for such Distribution Date, weighted on the basis of their respective Certificate Balances immediately prior to such Distribution Date (or, with respect to any Class of Class X Certificates with one Underlying Class of Principal Balance Certificates, the Pass-Through Rate of such Underlying Class for such Distribution Date).

Class X-H Pass-Through Rate The Pass-Through Rate for Class X-H Certificates for any Distribution Date will equal the excess, if any of (a) the Weighted Average Net Mortgage Rate for the related Distribution Date, over (b) the Pass-Through Rate of the Class H Certificates for such Distribution Date. The Pass-Through Rate applicable to the Class X-H Certificates for the initial Distribution Date shall be the rate set forth in the Preliminary Statement hereto.

Class X-D Pass-Through Rate The Pass-Through Rate for Class X-D Certificates for any Distribution Date will equal the excess, if any of (a) the Weighted Average Net Mortgage Rate for the related Distribution Date, over (b) the Pass-Through Rate of the Class D Certificates. The Pass-Through Rate applicable to the Class X-D Certificates for the initial Distribution Date shall be the rate set forth in the Preliminary Statement hereto.

Class X-G Pass-Through Rate The Pass-Through Rate for Class X-G Certificates for any Distribution Date will equal the excess, if any of (a) the Weighted Average Net Mortgage Rate for the related Distribution Date, over (b) the Pass-Through Rate of the Class G Certificates. The Pass-Through Rate applicable to the Class X-G Certificates for the initial Distribution Date shall be the rate set forth in the Preliminary Statement hereto.

Class X-F Pass-Through Rate The Pass-Through Rate for Class X-F Certificates for any Distribution Date will equal the excess, if any of (a) the Weighted Average Net Mortgage Rate for the related Distribution Date, over (b) the Pass-Through Rate of the Class F Certificates. The Pass-Through Rate applicable to the Class X-F Certificates for the initial Distribution Date shall be the rate set forth in the Preliminary Statement hereto.

Class X-A Pass-Through Rate The Pass-Through Rate for Class X-A Certificates for any Distribution Date will equal the excess, if any of (a) the Weighted Average Net Mortgage Rate for the related Distribution Date, over (b) the weighted average of the Pass-Through Rates on the Class A Certificates (other than the Class A-S Certificates) for such Distribution Date, weighted on the basis of their respective Certificate Balances immediately prior to the Distribution Date. The Pass-Through Rate applicable to the Class X-A Certificates for the initial Distribution Date shall be the rate set forth in the Preliminary Statement hereto.

Class X-C Pass-Through Rate The Pass-Through Rate for Class X-C Certificates for any Distribution Date will be a per annum rate equal to the excess, if any, of (a) the Weighted Average Net Mortgage Rate for the related Distribution Date, over (b) the weighted average of the Pass-Through Rates of the Class C and Class D Certificates for such Distribution Date, weighted on the basis of their respective Certificate Balances immediately prior to that Distribution Date. The Pass-Through Rate applicable to the Class X-C Certificates for the initial Distribution Date shall be the rate set forth in the Preliminary Statement hereto.

Class X-B Pass-Through Rate The Pass-Through Rate for Class X-B Certificates for any Distribution Date will equal the excess, if any of (a) the Weighted Average Net Mortgage Rate for the related Distribution Date, over (b) the weighted average of the Pass-Through Rates of the Class A-S, Class B and Class C Certificates for such Distribution Date, weighted on the basis of their respective aggregate Certificate Balances immediately prior to the Distribution Date. The Pass-Through Rate applicable to the Class X-B Certificates for the initial Distribution Date shall be the rate set forth in the Preliminary Statement hereto.

Class HRR Pass-Through Rate As set forth in the Upper-Tier REMIC section of the Introductory Statement of this Agreement.

Class E Pass-Through Rate With respect to any Distribution Date, a per annum rate equal to 2.5000%.

Class C Pass-Through Rate With respect to any Distribution Date, a per annum rate equal to the Weighted Average Net Mortgage Rate for such Distribution Date.

Class H Pass-Through Rate With respect to any Distribution Date, a per annum rate equal to 3.5400%.

Class E-RR Pass-Through Rate With respect to any Distribution Date, a per annum rate equal to the Weighted Average Net Mortgage Rate for such Distribution Date.

Class A Pass-Through Rate As set forth in the Upper-Tier REMIC section of the Introductory Statement of this Agreement.

Class A-M Pass-Through Rate A per annum rate equal to the lesser of (i) the WAC Rate and (ii) 3.561%.

Class G-RR Pass-Through Rate With respect to any Distribution Date, a per annum rate equal to the Weighted Average Net Mortgage Rate for such Distribution Date.

Class G Pass-Through Rate With respect to any Distribution Date, a per annum rate equal to 3.2390%.

Class D Pass-Through Rate With respect to any Distribution Date, a per annum rate equal to 3.0000%.

Class NR Pass-Through Rate With respect to any Distribution Date, a per annum rate equal to the lesser of (i) 3.1920% and (ii) the Weighted Average Net Mortgage Rate for such Distribution Date.

Class J Pass-Through Rate With respect to any Distribution Date, a rate per annum equal to the lesser of (i) 5.437% and (ii) the Weighted Average Net Mortgage Rate.

Class A-SB Pass-Through Rate With respect to any Distribution Date, a per annum rate equal to 3.3660%.

Class A-5 Pass-Through Rate With respect to any Distribution Date, a per annum rate equal to 2.37720%.

Class H-RR Pass-Through Rate With respect to any Distribution Date, a per annum rate equal to the Weighted Average Net Mortgage Rate for such Distribution Date.

Class NR-RR Pass-Through Rate With respect to any Distribution Date, a per annum rate equal to the Weighted Average Net Mortgage Rate for such Distribution Date.

Class F Pass-Through Rate With respect to any Distribution Date, a per annum rate equal to the Weighted Average Net Mortgage Rate for such Distribution Date.