3708 Shangwei Investment Holding Announces Name Change to Shangwei International Holding

Announcement Date: July 6, 2026 Statement Date: July 5, 2026 Statement Time: 7:00:03 Company Code: 3708 Company Name: Shangwei Investment Holding Subject: Announcement of company name change from 'Shangwei International Investment Holding Co., Ltd.' to 'Shangwei International Holding Co., Ltd.', with announcement period from June 11, 2026 to September 10, 2026. Applicable Clause: Item 51 Factual Date: June 11, 2026 Details: 1. Factual Date: June 11, 2026 (ROC Year 115) 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 4. Cross-shareholding Ratio: Not applicable 5. Reasons for Change: (1) Date of Name Change Approval/Factual Date: June 11, 2026 (ROC Year 115) (2) Name Change Approval Document Number: Ministry of Economic Affairs Letter No. 11530084540 (3) Shareholders' Meeting Resolution Date for Name Change: May 28, 2026 (ROC Year 115) (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 letter for registration change on June 11, 2026. (2) According to Article 45 of the Rules of Operation of Taiwan Stock Exchange Corporation, the company must make continuous announcements for three months following the name change. (3) The company's stock code remains unchanged; ordinary shares continue to be listed under '3708'.