OSK - NOTICE OF BOOK CLOSURE

LISTING'S CIRCULAR NO. L/Q : 66559 OF 2012

Second interim dividend of 5.0 sen per ordinary share less 25% income tax.

Kindly be advised of the following :

1) The above Company's securities will be traded and quoted [ "Ex - Dividend" ]
as from : [ 3 December 2012 ]

2) The last date of lodgement : [ 5 December 2012 ]

3) Date Payable : [ 20 December 2012 ]