Pharmaron Beijing Co., Ltd. announced on 25 August 2026 that the English and Chinese versions of five key documents for the upcoming 2026 First Extraordinary General Meeting (EGM) and the 2026 First H-Share Class Meeting have been published on both the company’s website (www.pharmaron.com / www.pharmaron.cn) and the HKEX website (www.hkexnews.hk).

The materials include: 1. Circular for the 2026 First EGM & 2026 First H-Share Class Meeting 2. Notice of the 2026 First EGM 3. Notice of the 2026 First H-Share Class Meeting 4. Proxy Form for the 2026 First EGM 5. Proxy Form for the 2026 First H-Share Class Meeting

Shareholders who previously elected—or were deemed to have elected—to receive corporate communications electronically but now face difficulties accessing the documents may obtain printed copies at no cost. A request form is provided with the notification and can be submitted to Tricor Investor Services Limited, the H-share registrar, at 17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong. The form is also downloadable from both the company and HKEX websites. Requests may alternatively be sent via email to 3759-ecom@vistra.com.

Investors retain the option to alter their future preferences for receiving corporate communications—choosing between printed English, printed Chinese, or bilingual versions, or continued access via the websites—by notifying the registrar through email or written notice.

For additional enquiries, shareholders can contact the company’s hotline at (852) 2980 1333 during business hours (9:00 a.m.–5:00 p.m., Monday to Friday, excluding Hong Kong public holidays).

The notification was issued under the authority of Pharmaron’s Board and signed by Chairman Dr. Lou Boliang.