WT Microelectronics (hereafter abbreviated as WT) 2024 Sustainability Report (hereafter referred to as “this Report”) is compiled as follows:
 
Disclosure Framework

In compliance with
1. GRI Sustainability Reporting Standards, GRI Standards 2021
2. AA1000 AccountAbility Principles, AA1000AP-2018
3. SASB Standards for Multiline and Specialty Retailers & Distributors
4. Governing the Preparation and Submission of Sustainability Reports by Listed Companies
 
Disclosure Scope

Temporal Scope：
This report was first released in 2017 and an annual report has since been regularly released each year.
This report covers the period from January 1st to December 31st, 2024.
Organizational Scope：
The sustainability-related performance disclosed in this report covers the parent company and all entities under the consolidated financial statements, unless otherwise specified in the main text. All disclosed information is based on the scope of consolidated entities.
In cases where performance data for all operating sites is not fully disclosed, footnotes are provided for clarification. Additionally, details regarding the scope of information disclosure are clearly listed in Section 5-9 Disclosure Coverage.
 
About the Disclosure

Financial Performance：
The financial information disclosed in regard to the operating performance have been audited by PricewaterhouseCoopers Taiwan (PwC Taiwan) and are consistent with the information from financial statements attested by public certified accountant. The financial disclosures are made in New Taiwan Dollars (NTD).
Non-financial performance：
The other data in this report were compiled from the last five years by the disclosure team, with numeral information described in the usual way and rounded in principle.
In cases where the relevant performance information has been collected for less than five years or the accuracy of the information can not be validated or verified, only the data of one to four years are disclosed.
 
Compilation Process

This sustainability report was compiled by a Disclosure Task Force, composed of designated representatives from relevant departments. After the initial draft was prepared, it was consolidated and revised by the Sustainability Development Team. Upon verification and confirmation of accuracy by the Disclosure Task Force, the report was submitted to the Chief Sustainability Officer (CSO) for review and subsequently presented to the Chairman of the Board for final approval.
Following external assurance and finalization of the report, the CSO formally submitted the report to the Sustainable Development Committee and the Board of Directors for discussion and approval.
Relevant information and performance data included in this report are also disclosed on the WT’s ESG official website.
Previous report publication date: August 2024
Current report publication date: August 2025
 
Independent Assurance

Verified by：
British Standards Institution Taiwan Branch (BSI Taiwan)
In accordance with：
GRI Standards 2021 and the AA1000 AS v3 Type 1 and Type 2 Moderate Assurance Level (see “5-11 External Guarantee”)
 
Contact

For any inquiries related to this report, please feel free to contact us.
Contact: Sustainable Development Team
Address: 14F., No.738, Zhongzheng Rd.,Zhonghe Dist., New Taipei City 235603 , Taiwan (R.O.C.)
Telephone: +886-2-8226-9088
Email: esg@wtmec.com