SINCERE (The Sincere Company, Limited) has issued a circular convening its annual general meeting (AGM) for 5 June 2026, 09:30 a.m. at The Hong Kong Bankers Club, Central.

Key agenda items include:

1. Renewal of General Mandates • Issuance Mandate: Directors seek authority to allot and issue up to 20 % of the company’s issued share capital as of the AGM date, equivalent to 262.79 million shares based on the current 1.31 billion shares outstanding. • Repurchase Mandate: Authority to buy back up to 10 % of issued shares, or 131.40 million shares. Any shares repurchased may be used to extend the issuance mandate.

2. Board Composition • Re-election of three directors: – Dr. Lin Xiaohui (Executive Chairman) – Dr. Tai Tak Fung (Non-executive) – Mr. Chung Chun Hung Simon (Independent Non-executive)

3. Other AGM Logistics • Register of Members will be closed from 2 June to 5 June 2026 (both days inclusive) for voting entitlement; share transfers must be lodged by 4:30 p.m. on 1 June 2026. • All resolutions will be decided by poll. • Proxy forms must be submitted to Tricor Investor Services by 3 June 2026, 09:30 a.m.

As of the latest practicable date, no shares have been issued under the existing 2025 mandates, and no shares have been repurchased. Directors recommend shareholders vote in favour of all proposed resolutions.