[Quanta] Subsidiary Quanta Manufacturing Nashville, LLC Signs Lease Agreement

1. Name and nature of the subject matter: Right-of-use asset for factory lease (Located in Fremont, California, USA). 2. Date of occurrence: May 19, 2026. 3. Decision-making authority: Chairman. 4. Transaction terms: Approximately 203,414 square feet. Average monthly rent of approximately $514,000. Term: 10 years. Total value of right-of-use asset: approx. $46.265 million (approx. NT$1.48 billion). Total contract value: approx. $61.71 million (approx. NT$1.974 billion). 5. Counterparty: Prologis, L.P. (Not a related party). 6. Purpose of acquisition: Operational requirements.