Base Offering Circular - Multifamily 482090 11 In some cases, interests in a Class or Classes of REMIC Securities may be exchanged for proportionate interests in various subcombinations of MX Classes.  Similarly, all or a portion of such MX Classes may be exchanged for proportionate interests in such REMIC Securities or in other subcombinations of such MX Classes.  Each subcombination may be effected only in such proportions that result in the principal and interest entitlements of the Securities received being equal to such entitlements of the Securities surrendered.  The following illustrates a Combination within which various subcombinations are permitted: REMIC Securities Class Original Principal Balance Interest Rate Class MX Securities Maximum Original Class Principal Balance or original Class Notional Balance Interest Rate AB $10,000,000 7.00% WI $10,000,000  (notional) 7.00% WA 10,000,000 6.00 WB 10,000,000 6.25 WC 10,000,000 6.50 WD 10,000,000 6.75 WE 9,655,172 7.25 WF 9,333,333 7.50 WG 9,032,258 7.75 WH 8,750,000 8.00 WP 10,000,000 0.00 Within the above Combination, a Beneficial Owner could, for example, exchange any one of the first four subcombinations of Classes shown in the following table for any other such subcombination, or any one of the last three subcombinations shown for any other such subcombination.  Numerous subcombinations are possible. Subcombinations Subcombination Class Original Class Principal Balance or original Class Notional Balance Interest Rate Interest Entitlement 1 AB $10,000,000 7.00% $700,000 2 WI $10,000,000 (notional) 7.00% $700,000 WP 10,000,000 0.00 0 $10,000,000 $700,000 3 WI $ 1,428,571  (notional) 7.00% $100,000 WA 10,000,000 6.00 600,000 $10,000,000 700,000 4 WB $ 1,600,000 6.25% $100,000 WH 7,500,000 8.00 600,000 WP 900,000 0.00 0 $10,000,000 $700,000 5 WF $ 5,000,000 7.50% $375,000