30 2022.01.17 Changes of 30% or More in Sales or Profits/Losses (15% or More in the Case of Large-sized Corporations)

29 2022.01.17 Report on Business Performance according to Consolidated Financial Statements (Fair Disclosure)

28 2021.12.02 Certification, Extension or Decertification of Best Family Frendly Management(Voluntary Disclosure)

27 2021.10.18 Report on Business Performance according to Consolidated Financial Statements (Fair Disclosure)

26 2021.09.15 New Facility Investment, etc.

25 2021.07.15 Report on Business Performance according to Consolidated Financial Statements (Fair Disclosure)

24 2021.04.15 Report on Business Performance according to Consolidated Financial Statements (Fair Disclosure)

23 2021.03.26 Outcome of Annual Shareholders' Meeting

22 2021.03.17 Submission of Audit Report

21 2021.03.11 Change of the Largest Shareholder

20 2021.02.26 Decision on Calling Shareholders' Meeting

19 2021.02.26 Decision on Cash Dividends and Dividends in Kind

18 2021.01.18 Changes of 30% or More in Sales or Profits/Losses (15% or More in the Case of Large-sized Corporations)

17 2021.01.18 Report on Business Performance according to Consolidated Financial Statements (Fair Disclosure)

16 2021.01.11 (Forewarning) Designation as Temporary Overheated Issue(3 day- Periodic Call Auction Trading) The Korea Stock Exchange

15 2020.10.19 Report on Business Performance according to Consolidated Financial Statements (Fair Disclosure)

14 2020.07.13 Report on Business Performance according to Consolidated Financial Statements (Fair Disclosure)

13 2020.04.16 Report on Business Performance according to Consolidated Financial Statements (Fair Disclosure)

12 2020.03.27 Notice on Change of CEO

11 2020.03.27 Outcome of Annual Shareholders' Meeting

10 2020.03.16 Submission of Audit Report

9 2020.02.27 Decision on Calling Shareholders' Meeting

8 2020.02.27 Decision on Cash Dividends and Dividends in Kind

7 2020.01.16 Report on Business Performance according to Consolidated Financial Statements (Fair Disclosure)

6 2019.12.20 Certification, Extension or Decertification of Best Family Frendly Management(Voluntary Disclosure)

5 2019.10.14 Report on Business Performance according to Consolidated Financial Statements (Fair Disclosure)

4 2019.07.15 Report on Business Performance according to Consolidated Financial Statements (Fair Disclosure)

3 2019.04.19 Report on Business Performance according to Consolidated Financial Statements (Fair Disclosure)

2 2019.03.22 Outcome of Annual Shareholders' Meeting

1 2019.03.14 Submission of Audit Report