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Taiwan Index Plus Corporation (TIP) released the December 2025 results of the TIP Taiwan Sustainability Ratings on the "IR Engage Platform" (https://irengage.taiwanindex.com.tw/). The assessment covers 1,884 TWSE-listed and TPEx-listed companies, evaluated using public information such as 2024 ESG reports, annual financial reports, and 2025 corporate websites or government penalty records. The IR Engage platform simultaneously released the "TIP Taiwan Sustainability Ratings and IR Engagement Trends" report series, divided into "Analysis of TIP Taiwan Sustainability Ratings" and "Recent Developments in Domestic and Foreign Sustainability and IR Engagement," which are available for public review.

TIP summarizes the results of the TIP Taiwan Sustainability Ratings as follows:

1. Over the past two years of rating results, more than 90% of companies have maintained or improved their performance, showing that most companies demonstrate stable sustainability governance capabilities.
2. Among companies rated A or above in the same period last time, the Top 10 enterprises with significantly improved performance in this assessment (totaling 11 companies due to tied scores) are mostly distributed in the electronics and financial industries, showing their pursuit of excellence and continuous optimization of ESG performance.
3. Industries such as information service, financial and insurance, biotechnology and medical care, and cultural and creative industries performed better on average than the same period last time on forward-looking issues (such as disclosing the impact of their own operations on biodiversity).

The TIP Taiwan Sustainability Ratings are reviewed twice a year in June and December. The rating information has diverse applications and is commonly used by asset management institutions in sustainable investment processes or as reference indicators for stock selection. It has been adopted by a leading domestic financial holding group, with its subsidiaries using the TIP Taiwan Sustainability Ratings database service as reference data for the group's sustainable investment and engagement. The rating information is also used by multiple domestic and foreign investment institutions. The TIP Taiwan Sustainability Ratings value added data service can also facilitate bank responsible lending operations, as well as complete the digital services of securities and futures firms, or add content to research reports, extending to ESG information of TWSE-listed and TPEx-companies to practice sustainable finance. In terms of academics, two leading national universities have selected it for faculty and student research reference, serving as a data source for special reports and academic research.

TIP has utilized the TIP Taiwan Sustainability Ratings to compile 12 ESG indices. Securities Investment Trust Enterprises have issued 6 ESG funds approved by the Financial Supervisory Commision Republic of China(Taiwan) with total assets exceeding NT$40 billion, gaining general recognition and demonstrating the influence of sustainable responsible investment. The TIP Taiwan Sustainability Ratings also assist TWSE-listed and TPEx-listed companies in understanding their performance regarding ESG risks and opportunities to continuously enhance corporate value-up; and serve financial institutions in executing sustainable investment and engagement work, guiding funds to promote sustainable development.