SECURITY GROUP 4 The Group 4 Principal Distribution Amount and the KZ, ZJ and ZK Accrual Amounts will be allocated as follows: •   The KZ Accrual Amount, sequentially, to KA and KZ, in that order, until retired •   The Group 4 Principal Distribution Amount and the ZJ and ZK Accrual Amounts in the following order of priority: 1.  Sequentially,  to  KA  and  KZ,  in  that  order,  until  reduced  to  their  Aggregate Scheduled Principal Balance for that Distribution Date, until retired 2.  Up to the ZJ Jump Percentage of the remaining Principal Distribution Amount and the ZJ and ZK Accrual Amounts to ZJ, until retired 3.  Sequentially, to ZK and ZJ, in that order, until retired 4.  Sequentially,  to  KA  and  KZ,  in  that  order,  without  regard  to  their  Aggregate Scheduled Principal Balances, until retired •   For any Distribution Date, the "ZJ Jump Percentage" means the percentage equal to the  difference  (not  less  than  0%)  between  (a)  the  lesser  of  (i)  99%  and  (ii)  the quotient of (A) the excess, if any, of the 551% PSA Group 4 Balance over the remaining Principal Balance of the Group 4 Trust Assets, after giving effect to their reduction on that Distribution Date (the "Group 4 Trust Asset Balance") and (B) the excess of the 551% PSA Group 4 Balance over the 700% PSA Group 4 Balance and (b) the quotient of (A) the excess, if any, of the 800% PSA Group 4 Balance over the Group 4 Trust Asset Balance  and  (B)  the  excess  of  the  800%  PSA  Group  4  Balance  over  the  900%  PSA Group 4 Balance Scheduled Principal Balances: The Aggregate Scheduled Principal Balances for the Classes listed  below  are  included  in  Schedule  II  to  this  Supplement.  They  were  calculated  using, among other things, the following Structuring Ranges: Class Structuring Ranges PB, PC, TA, TB and TC (in the aggregate).................................... 125% PSA through 350% PSA MA and MZ (in the aggregate)  ........................................................ 325% PSA through 625% PSA HA, HB, HC, HD and HE (in the aggregate)  .............................. 100% PSA through 250% PSA YA, YB, YC and YD (in the aggregate) .......................................... 120% PSA through 200% PSA KA and KZ (in the aggregate) .......................................................... 325% PSA through 515% PSA Jump Balances: The 626% PSA Group 2 Balances, 700% PSA Group 2 Balances, 800% PSA Group  2  Balances,  900%  PSA  Group  2  Balances,  551%  PSA  Group  4  Balances,  700%  PSA Group 4 Balances, 800% PSA Group 4 Balances and 900% PSA Group 4 Balances (together, the "Jump Balances") are included in Schedule III to this Supplement. The Jump Balances were calculated  using  a  Structuring  Rate  of  the  respective  percentage  of  PSA  and  the  assumed characteristics  of  the  related  Trust  MBS  to  be  delivered  on  the  Closing  Date.  The  actual characteristics of the related Trust MBS may vary from the characteristics assumed in preparing the Jump Balances included in Schedule III to this Supplement and, if so, the Sponsor may recalculate such balances. The Sponsor will make them available on Ginnie Mae's Multiclass Securities e-Access located on Ginnie Mae's website ("e-Access") shortly after the Closing Date. B-46