Corporate Governance

Committees in the Board of Directors

Committee Object and Authority Member Regulations
Audit Committee

The Audit Committee is organized to conduct audits under the relevant laws and regulations and the company’s articles of association.

The committee audits the Board in fulfilling its responsibilities and company’s accounting and resolves the appointment of an external auditor

Choi, Woo Seok, outside director (Chairman)
Kim, Yong Rae, outside director
Park Yun Mi, outside director
Regulations
Nomination and Remuneration Committee

The Nomination and Remuneration Committee is organized to recommend the company's outside director candidates, establish the compensation policy and ensure the objectivity and transparency of the compensation level.

The committee decides candidates to be appointed as outside directors at the general shareholders’ meeting by verifying their qualifications and capabilities, resolves directors’ compensation limit and deliberates on the company’s performance evaluation and compensation system.

Kim, Yong Rae, outside director (Chairman)
Ye, Yong Jun Inside director
Park Yun Mi, outside director
Regulations
ESG Committee

The Governance Committee deliberates on and decides large-scale internal trading under the Fair Trade Act of the Board of Directors and plays a role in pre-deliberating
management issues/matters affecting shareholder value among the issues/matters requiring the resolution of the Board of Directors.

Choi, Woo Seok, outside director
Kim, Yong Rae, outside director
Park Yun Mi, outside director
Regulations
Financial Committee

The Finance Committee is organized within the board of directors under the company’s articles of association.

The committee decides financial matters delegated by the board of directors such as stock acquisition, borrowings, and investment decisions.

Kim, Jong Hyun, inside director
Ye, Yong Jun Inside director
Choi, Woo Seok, outside director
Regulations

Committee operation status

Audit Committee

Date of Meeting Agenda Approval Status
2025.12.17 Approval of Appointment of External Auditor Approved
2025.11.06 Interim Report on the Internal Accounting Management System in 2025 Report
Report on 3Q 2025 financial performance Report
Report on the Current Status and Outlook of the Petrochemical Business Report
Report on the Plan for Appointment of External Auditors Report
Communication with external auditor Report
2025.08.07 Report on Subsidiary Business Report
Report on 1H 2025 financial performance Report
Report on the Management Review of the Compliance Management System in 2025 Report
Communication with external auditor Report
2025.05.08 Amendment of Regulations of Internal Accounting Management System Approved
Report on the operation plan of internal accounting control system in 2025 Report
Report on 1Q 2025 financial performance Report
Communication with external auditor Report
Evaluation of audit results by external auditor in 2024 Other
2025.02.20 Approval of evaluation result of internal accounting control system operation Approved
Approval of the evaluation opinion for the internal monitoring system Approved
Review of the 2024 settlement of accounts and approval of the audit report Approved
Report on Subsidiary Business Report
Communication with external auditor Report
Evaluation of the operation status of the internal accounting control system in 2024 Other
2025.02.12 Approval of the 2025 Audit plan Approved
Report on the operation plan of 2025 Audit Committee Report
Report on the operation status of the internal accounting control system in 2024 Report
Report on the results of evaluation support for internal accounting control system of external experts Report
Report on 2024 Internal Audit performance Report
Information on the evaluation of the operation status of the internal accounting control system of the Audit Committee Other

ESG Committee

Date of Meeting Agenda Approval Status
2025.11.06 Approval of large internal transactions Approved
Report on ESG management of subsidiaries Report
Report on internal transaction plans for 2026 Report
2025.08.11 Approval of Participation in the Paid-in Capital Increase of DL Chemical Co., Ltd. Approved
2025.08.07 Report on the publication of the Sustainability Report Report
Report on internal transactions in 1H2025 Report
2025.05.08 Report on ESG management performance of subsidiaries Report
Report on the results of the ESG materiality assessment review Report
2024.02.22 Review on 2024 dividend plan Approved
Report on annual performance of internal transactions in 2024 Report
Report on 2025 ESG Committee operation plan Report

Nomination and Remuneration Committee

Date of Meeting Agenda Approval Status
2025.01.23 Approval of Director remuneration limit (FY2025) Approved
Review on 2024 performance incentives Approved
Appointment of Chairman of Nomination and Remuneration Committee Approved
Report on the performance of directors' remuneration in 2024 Report

Financial Committee

Date of Meeting Agenda Approval Status
No operation status.

External auditor status

Year External Auditor Date of Appointment Contract Period Auditor's Opinion
2026 EY Han Young Dec. 17, 2025: Approval of the Audit Committee 3 years -
2025 Samil PWC - 3 years Unqualified opinion
2024 Samil PWC - 3 years Unqualified opinion
2023 Samil PWC Dec. 22, 2022: Approval of the Audit Committee 3 years Unqualified opinion
2022 Deloitte Anjn LLC Dec. 15, 2021: Approval of the Audit Committee 3 years Unqualified opinion
2021 Deloitte Anjn LLC - 3 years Unqualified opinion
2020 Deloitte Anjn LLC - 3 years Unqualified opinion
2019 Deloitte Anjn LLC Dec. 10, 2018: approval of the Audit Committee 3 years Unqualified opinion
2018 Deloitte Anjn LLC - 3 years Unqualified opinion
2017 Deloitte Anjn LLC - 3 years Unqualified opinion
2016 Deloitte Anjn LLC Feb. 25, 2016: approval of the Audit Committee 3 years Unqualified opinion
2015 Deloitte Anjn LLC - 3 years Unqualified opinion
2014 Deloitte Anjn LLC - 3 years Unqualified opinion
2013 Deloitte Anjn LLC Feb 07, 2013 approval of the Audit Committee 3 years Unqualified opinion
2012 Deloitte Anjn LLC - 3 years Unqualified opinion
2011 Deloitte Anjn LLC - 3 years Unqualified opinion
2010 Deloitte Anjn LLC Feb. 19, 2010: approval of the Audit Committee 3 years Unqualified opinion
2009 Samil PWC - 3 years Unqualified opinion
2008 Samil PWC - 3 years Unqualified opinion
2007 Samil PWC Feb. 09. 2007approval of the Audit Committee 3 years Unqualified opinion
2006 Samil PWC - 3 years Unqualified opinion