3708 Shangwei Investment Holding Announces Company Name Change

Release Date: July 4, 2026 Statement Date: July 3, 2026 Statement Time: 07:00:04 Company Code: 3708 Company Name: Shangwei Investment Holding

Subject: Announcement of the company name change from 'Shangwei International Investment Holding Co., Ltd.' to 'Shangwei International Holding Co., Ltd.', with the announcement period from June 11, 2026 to September 10, 2026.

Applicable Clause: Clause 51 Factual Date: June 11, 2026

Details: 1. Factual Date: June 11, 2026 2. Company Name: Shangwei International Holding Co., Ltd. (formerly: Shangwei International Investment Holding Co., Ltd.) 3. Relationship with Company (please enter '本公司' or 'subsidiary'):本公司 (the Company) 4. Cross-shareholding Ratio: Not applicable 5. Reasons for Change: (1) Date of approval for company name change / Factual date: June 11, 2026 (2) Approval document number for name change: Ministry of Economic Affairs Letter No. 11530084540 (3) Shareholders' meeting resolution date for name change: May 28, 2026 (4) Previous company name: Shangwei International Investment Holding Co., Ltd. (5) New company name: Shangwei International Holding Co., Ltd. (6) Previous company abbreviation: Shangwei Investment Holding (7) New company abbreviation: Shangwei Holding 6. Countermeasures: None 7. Other Matters to be Disclosed: (1) The company received the Ministry of Economic Affairs' approval notice for change of registration on June 11, 2026. (2) According to Article 45 of the Operating Rules of Taiwan Stock Exchange Corporation, the company must publish a continuous announcement for three months following the name change. (3) The company's stock code remains unchanged; ordinary shares continue to be listed under '3708'.