Sustainability Report

Overview

The report describes UMC's 2025 progress toward its climate commitments, including a 37% reduction in Scope 1 and 2 emissions versus 2020 and renewable-energy use above 25%. It also reports Scope 3 reductions and details the launch of the Circular Economy & Recycling Innovation Center, intended to recover process waste from Taiwan fabs. The report presents annual materiality analysis and sustainability targets across environmental, governance, and social topics.

Document

Report type: Sustainability Report
Class: Dedicated
Scope: Full report
Fiscal year: 2025
Period: 1 January 2025 – 31 December 2025
Language: English
Pages
File size
Restatement: Disclosed

Standards

GRI
SASB
TCFD
ISSB
ESRS
Integrated Reporting Framework
GHG Protocol
EU Taxonomy
CDP
Other

Commitments

UN Global Compact
UN Guiding Principles
Science Based Targets initiative

Ratings

GRI level
SBTi status
CDP score

Materiality

Assessment
Basis
Matrix

Assurance

Provider
Standard
Scope
Statement included
Metrics assured

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