In the Sustainability Yearbook 2023 published by S&P Global, UMC achieved "Top 1%" recognition in the Semiconductor & Semiconductor Equipment industry, underscoring the Company's commitment to sustainability across the three ESG dimensions. Over 7,800 companies across 61 industries globally were assessed for this year's Yearbook. This honor follows UMC's inclusion in the Dow Jones Sustainability Indices (DJSI) for the 15th consecutive year.