Sept 30 (Reuters) - GDI Property Group Ltd GDI.AX :
* Update on settlement of 233 castlereagh st, Sydney GDI.AX
* Says settlement of 233 castlereagh street, Sydney has been extended until 30 October 2015
* The purchaser has agreed to release to GDI Property Group a further 10% of the purchase price
* Source text for Eikon ID:nASX25dtc9