Closure of Register of Shareholders or Designation of Record Date

Exercise of Warrants(제2회차 BW)

Quarterly Report (2015.09)

Acquisition of Bonds with Warrants/Overseas Bonds with Warrants before Maturity(제2회차 BW)

Semi-annual Report (2015.06)

Report on Business Performance according to Consolidated Financial Statements (Fair Disclosure)

[Decision to extend]Decision on Entering into Trust Contract for Acquisition of Treasury Stock

[Corrected description]Contract for Sales or Supply

[Corrected description]Contract for Sales or Supply(Voluntary Disclosure)

[Corrected description]Quarterly Report (2015.03)

Quarterly Report (2015.03)

[Corrected description]Contract for Sales or Supply(Voluntary Disclosure)

New Facilities Investment, etc.(Voluntary Disclosure)

Report on significant holdings of stocks, etc. (Short form)

Change of Market Division