OSK - NOTICE OF BOOK CLOSURE

LISTING'S CIRCULAR NO. L/Q : 67363 OF 2013

Final dividend of 2.5 sen per ordinary share less income tax of 25%.

Kindly be advised of the following :

1) The above Company's securities will be traded and quoted [ "Ex - Dividend" ]
as from : [ 23 April 2013 ]

2) The last date of lodgement : [ 25 April 2013 ]

3) Date Payable : [ 15 May 2013 ]