Supply Chain Overview and Supplier Screening

• NT$ 47.69 billion in 2025 procurement (including global and local procurement), with 97.78 % from local procurement
• NT$ 27.8 billion in 2025 green procurement

In 2025, Taiwan Mobile worked with a total of 556 suppliers, which were classified into six procurement categories: consumer electronics, telecommunications equipment, engineering, IT services and equipment, marketing and consulting services, and general affairs and renovation. The procurement category with the highest spending was consumer electronics and telecommunications equipment. Taiwan Mobile's global procurement expenditure reached NT$ 47.69 billion, with suppliers distributed across Asia, the Americas, and Europe. Taiwan Mobile also continued to support local procurement and actively collaborated with local suppliers. Local procurement totaled NT$46.636 billion, accounting for 97.78% of the total procurement expenditure.

Significant Suppliers
When factoring in the business relevance of suppliers to Taiwan Mobile, as well as current or potential ESG risks, Taiwan Mobile selected factors like ESG risk assessment scores, procurement amounts, and irreplaceability as a standard for screening significant suppliers, totaling 110 significant suppliers in 2025 as follows.

• Significant Suppliers (Tier-1): Suppliers that directly provide services to Taiwan Mobile with total procurement expenditure exceeding NT$30 billion, and possessing current or potential ESG risks, which totals to 92 suppliers.

• Significant Suppliers (Non Tier-1): Suppliers that directly provide services to Taiwan Mobile's Tier-1 Significant Suppliers, possessing either a procurement expenditure or procurement category that is of significance, with current or potential ESG risks, while not being a Tier-1 Significant Supplier of Taiwan Mobile, which totals to 18 suppliers.

A total of 110 significant suppliers were successfully screened through this process.

• Country-specific risk: Assessed through regulatory requirements and the risks associated with supplier compliance with national regulations, including but not limited to government policies regarding the prohibition of product imports, trade restrictions, and other relevant regulations targeting specific regions.

• Sector-specific risk: Assessed through conducting the ESG risk assessment, and the identification of the risks faced by the supplier's industry, such as conflict material usage risks in specific industries.

• Commodity-specific risk: Assessed through product value chain analysis, and the identification of upstream and downstream risks. Also, life cycle assessments (LCA) are used to identify environmental pollution, energy consumption, and carbon emissions, for reviewing the relevant data, and assessing significant risks.