Closure of Shareholder registry

1. Shareholder registry closing period :
From January 1, 2011 to January 7, 2011

2. Purpose of the closure of the shareholder registry :
To determine the shareholders who will be eligible for FY2010 dividend and exercise voting rights at the AGM

3. Record date to determine the shareholders who will be eligible for FY2010 dividend and exercise voting rights at the AGM :  December 31, 2010 (Korea local time)