JST Group Corporation Limited has issued a circular convening its Annual General Meeting (AGM) for 10:00 a.m. on 29 May 2026 at the company’s Shanghai head office (6/F, Building T4, Hongqiaohui, Minhang District). Key resolutions to be put to shareholders are as follows:

1. Director re-election • Executive directors Mr. Luo Haidong, Mr. He Xingjian and Mr. Li Cansheng will retire by rotation and seek re-election. • The nomination committee has endorsed all three candidates based on experience, contribution and board diversity criteria.

2. Auditor re-appointment • PricewaterhouseCoopers is proposed as external auditor for FY 2026. • The audit fee is expected to range from RMB 2.90 million to RMB 3.20 million, aligned with business scope and audit complexity.

3. General mandates • Share repurchase mandate: up to 43.63 million shares, representing 10 % of the issued share capital of 436.26 million shares (excluding any treasury shares) as at the meeting date. • Issuance mandate: authority to allot or transfer up to 87.25 million new or treasury shares, equal to 20 % of issued capital, with an additional mandate to extend this limit by shares repurchased under the buyback authority.

4. Administrative details • Shareholders’ register will close from 26 May 2026 to 29 May 2026 (both days inclusive). Transfers must be lodged by 4:30 p.m. on 22 May 2026 with Computershare Hong Kong Investor Services Ltd. to qualify for AGM attendance and voting. • Proxy forms must be submitted no later than 10:00 a.m. on 27 May 2026.

If all mandates are approved, JST Group will maintain flexibility for capital management through selective buybacks and share issuances during the subsequent year, subject to Hong Kong Listing Rules and Cayman Islands law.