Taiwan Fertilizer Co., Ltd. Announces Signing of Cooperation Agreement with Taiwan Semiconductor Manufacturing Company

1. Date of occurrence of the event: 2026/04/28 2. Counterparty to the contract or commitment: Taiwan Semiconductor Manufacturing Company 3. Relationship with the company: Non-related party 4. Commencement and expiration dates of the contract or commitment (or termination date): As per contract 5. Main content (not applicable to termination): Sulfuric acid resource recycling and utilization at Taichung zero-waste manufacturing center 6. Restrictive clauses (not applicable to termination): As per contract 7. Commitments (not applicable to termination): As per contract 8. Other important agreed matters (not applicable to termination): As per contract 9. Impact on the company's finances and operations: Expected to have a positive impact on the company's future finances and operations 10. Specific purpose: To implement a circular economy, through the recycling of sulfuric acid resources, convert them into industrial-grade ammonium sulfate products, and optimize the company's profit structure 11. Other matters that need to be specified (If the subject of the event or resolution is a public offering company or above, this material information simultaneously complies with Article 7, Paragraph 8 of the Enforcement Rules of the Securities and Exchange Act, which stipulates matters that have a significant impact on shareholders' equity or securities prices): The amount will not be disclosed due to confidentiality clauses in the contract.