3708 Shangwei Investment Holding

Release Date: June 30, 2026 Statement Date: June 29, 2026 Statement Time: 07:00:03 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 (Minguo Year 115) 2. Company Name: Shangwei International Holding Co., Ltd. (formerly: Shangwei International Investment Holding Co., Ltd.) 3. Relationship to Company:本公司 (This Company) 4. Cross-shareholding Ratio: Not applicable 5. Reasons for Change: (1) Approval Date of Name Change / Factual Date: June 11, 2026 (2) Approval Document Number: Ministry of Economic Affairs No. 11530084540 (3) Shareholders' Meeting Resolution Date: 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. Additional Disclosures: (1) The company received the Ministry of Economic Affairs' approval letter for change registration on June 11, 2026. (2) According to Article 45 of the Rules Governing the Operations of the Taiwan Stock Exchange Corporation, a three-month consecutive public announcement is required following a name change. (3) The company's stock code remains unchanged; ordinary shares continue under '3708'.