Implementation of External Board Performance Evaluations in 2023

This document is a technical report detailing the implementation of external board performance evaluations at WT Microelectronics Co., Ltd. in 2023. It outlines the basis for evaluation, which aims to enhance corporate governance and improve the operational efficiency of the Board of Directors. The evaluation is conducted by an independent professional institution at least once every three years, with the latest evaluation completed before the end of the first quarter of the following year. The report describes the evaluation methods, including the use of regulations, records, documents, and interviews with directors. It also identifies the external institution involved, the Taiwan Institute of Ethical Business, and its qualified executive members. The evaluation focuses on four key aspects: the Board's professional competencies, decision-making performance, oversight of internal control, and attention to sustainable management. The report concludes with observations and recommendations for improvement, emphasizing the need for increased understanding of overseas operations and continued commitment to corporate sustainability goals.