Apportionment Percentages

The following percentages apply when determining a cost base for each individual entity making up a Mirvac Group stapled security. These percentages should be used when calculating the acquisition and disposal prices of the seperate entities comprising your Mirvac Group stapled securities.

DATES MIRVAC LIMITED MIRVAC PROPERTY TRUST MIRVAC COMMERCIAL TRUST
01/07/99 - 12/09/02 32.10% 39.20% 28.70%
13/09/02 - 04/10/04 26.50% 73.50% 00.00%
05/10/04 - 30/06/06 28.30% 71.70% 00.00%
01/07/06 - 30/06/07 20.72% 79.28% 00.00%
01/07/07 - current 17.81% 82.19% 00.00%

» Please note that the percentages relevant for the acquisition of your stapled security may differ from the disposal percentage. Please refer to the above schedule.