Daejoo Electronic Materials is an electronic materials specialist that strives to be No. 1 in the rechargeable battery and electronic materials industry for the future of humankind.

Reporting Period

This report contains Daejoo Electronic Materials’ economic, environmental, and social activities and performances from January 1 to December 31, 2023.It also contains some of the Company’s performances up to August 2024 and includes information on key activities carried out before January 1, 2023.As for the quantitative results, data from the past three years (2021 to 2023) are included for comparative analysis by year.

Reporting Principles

This report has been prepared in line with the GRI (Global Reporting Initiative) Standards 2021, which present the international sustainability reporting guidelines.In addition, the financial information contained in this report has been prepared according to K-IFRS (Korean-International Financial Reporting Standards). The reliability of this report has been strengthened through an independent assurance statement.As Daejoo Electronic Materials’ first sustainability report, this report does not contain restatements of the existing information.

Reporting Boundaries

This report covers Daejoo Electronic Materials’ headquarters and plant in Korea and the Battery Campus.

Assurance

This report has been completed with an independent assurance by the Korea Management Registrar (KMR) to ensure greater transparency in the disclosure of the Company’s sustainable management activities to all stakeholders.

Inquiry

Tel. +82-31-498-2901 / Fax. +82-31-498-2902

Email. cholhwan.oh@daejoo.co.kr

Strategy and ESG Team, Daejoo Electronic Materials Co., Ltd.