Shanghai FourSemi Semiconductor Co., Ltd. (FOURSEMI) announced that all eight resolutions submitted to the 2025 annual general meeting on 5 June 2026 were passed by poll.

Shareholder Participation • Voting rights represented: 78.16 million shares, equivalent to 69.79 % of the outstanding 112.00 million shares. • Computershare Hong Kong Investor Services Limited acted as the scrutineer.

Key Ordinary Resolutions 1. 2025 Annual Report received 95.93 % support. 2. 2025 profit distribution plan secured 97.30 % support. 3. Board work report was unanimously approved. 4. Independent non-executive directors’ duty report gained 98.69 % support. 5. 2026 directors’ remuneration package passed with 98.32 % support; controlling shareholder Xu Xiaolin and associate Liu Baoliang abstained, leaving 76.72 million shares eligible to vote. 6. Ernst & Young was re-appointed as auditor for 2026 with 99.08 % support; the Board is authorised to set its remuneration.

Special Resolutions 7. A mandate allowing the Board to repurchase up to 10 % of issued H shares obtained 99.08 % support. 8. A mandate to issue, allot or deal with new shares (including treasury shares) up to 20 % of issued shares also secured 99.08 % support.

Additional Information • Capital structure at the meeting date: 110.89 million H shares and 1.11 million domestic shares; no treasury shares outstanding. • All nine directors attended the AGM in person or electronically.

The strong voting margins across all items reaffirm shareholder backing for FOURSEMI’s 2025 operating results, capital management plans, and governance framework.