On May 10, 2011, the Board of Directors resolved to cancel treasury stock pursuant to article 178 of the Companies Act, as a part of efforts to improve capital efficiency.

1. Class of shares to be cancelled : Common stock
2. Number of shares to be cancelled: 45,000,000 shares  (about 2.65% of total issued shares as of March 31, 2011)
3. Date of cancellation: May 31, 2011

Note: The number of total issued shares and treasury stock after the cancellation will be 1,652,268,271 and 7,933,783, respectively (based on the number of shares as of March 31, 2011)