Hua Hong Grace Semiconductor Limited will hold an extraordinary general meeting (EGM) on 23 September 2026 at 2:30 p.m. as a hybrid event, combining a physical venue at 288 Halei Road, Pudong New Area, Shanghai, and an online platform.

Shareholders will vote on three ordinary resolutions:

1. Modification of previously approved projects and redeployment of surplus proceeds from the company’s earlier RMB Share Issue to finance the Wuxi JV III Investment Project.

2. Approval of an external equity investment in Wuxi JV III.

3. Authorisation for Chairman and Executive Director Dr. Peng Bai to handle all matters related to the revised use of proceeds and the Wuxi JV III investment.

The company’s register of members will be closed from 18 September 2026 to 23 September 2026 (both days inclusive) to determine shareholder eligibility. Holders of record on 23 September 2026 are entitled to attend and vote, either in person at the Shanghai venue or via the designated online system. All resolutions will be decided by poll, and results will be published on the Hong Kong Stock Exchange website.

Proxy forms must be lodged with Tricor Investor Services Limited by 2:30 p.m. on 21 September 2026. Shareholders attending in person or by proxy will bear their own expenses.