MEGAIN Holding (Cayman) Co., Ltd. has called an extraordinary general meeting (EGM) for 10:00 a.m. on 5 October 2026. The session will be conducted exclusively through the company’s eVoting Portal, allowing shareholders to participate and vote online from any internet-enabled device.

Key Resolutions 1. Purchase Framework Agreement • Shareholders are asked to approve, confirm and ratify the Purchase Framework Agreement and its annual caps. • A single director will be authorised to execute all documents and actions necessary to implement the arrangement.

2. Supply Framework Agreement • Shareholders are also asked to approve, confirm and ratify the Supply Framework Agreement and its annual caps. • Similar authorisation will be granted to one director to complete all related formalities.

Participation and Voting Logistics • Eligibility Cut-off: The register of members closes on 5 October 2026; only shareholders on record that day may vote. • Share Transfers: To be eligible, share transfer documents must reach Tricor Investor Services Limited by 4:30 p.m. on 2 October 2026. • Proxy Submission: Completed proxy forms must be lodged with Tricor Investor Services Limited no later than 10:00 a.m. on 3 October 2026 (48 hours before the meeting). • Voting Method: All resolutions will be decided by poll via the eVoting Portal. • Meeting Language: Proceedings will be conducted in Putonghua.

Corporate Governance The board currently comprises eight directors, including two executive directors, three non-executive directors and three independent non-executive directors. Chairman Mr. Wang Dongjie issued the notice on 17 September 2026.

Shareholders seeking further information may contact the company’s Hong Kong branch share registrar, Tricor Investor Services Limited, via the details provided in the notice.