30% or More Change in Sales or Profit/Loss(15% or more in the case of large-scale corporations)

Ex-Dividend

Report on Major Issues (자기주식취득신탁계약체결결정)

Decision on Entering into Trust Contract, etc. for Repurchase of Treasury Stocks

Decision on Cash Dividend(현금배당)

Decision on Stock Dividend

Closure of Register of Shareholders or Designation of Record Date

Quarterly Report (2012.09)

Report on status of specific securities, etc. owned by executives and major shareholders

Adjustment of Warrant Exercise Price

Semi-annual Report (2012.06)

Report on status of specific securities, etc. owned by executives and major shareholders

Adjustment of Warrant Exercise Price

[Corrected description]Contract for Sales or Supply

Quarterly Report (2012.03)