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

Decision on Cash Dividend

Closure of Register of Shareholders or Designation of Record Date

Contract for Sales or Supply(Voluntary Disclosure)

Quarterly Report (2020.09)

[Corrected description]Contract for Sales or Supply

Other Material Matters of Management((주)우진기전 인수 관련 우선협상대상자 선정 종료)

[Corrected description]Material Management Information related to Judgment of Investment((주)우진기전 인수 관련 우선협상대상자 선정)

[Corrected description]Material Management Information related to Judgment of Investment((주)우진기전 인수 관련 우선협상대상자 선정)

Trust contract cancellation result report

[Corrected description]Material Management Information related to Judgment of Investment((주)우진기전 인수 관련 우선협상대상자 선정)

Contract for Sales or Supply

Decision on Termination of Trust Contract for Acquisition of Treasury Stock

Material Management Information related to Judgment of Investment((주)우진기전 인수 관련 우선협상대상자 선정)

Semi-annual Report (2020.06)