• HPC Holdings (01742) has released its latest Circular, the accompanying Notice of Extraordinary General Meeting (EGM) and Form of Proxy (collectively, “Current Corporate Communications”).

• Both English and Chinese versions are now available online through the company’s website (www.hpc.sg) and the HKEX news portal (www.hkexnews.hk).

• Registered shareholders can, at any time and free of charge, choose how they wish to receive future Corporate Communications: – Printed English version only – Printed Chinese version only – Both printed English and Chinese versions – Email notification with electronic access

• To receive printed copies or to change the preferred method of receipt, shareholders should complete the Request Form and return it to Boardroom Share Registrars (HK) Limited at 2103B, 21/F, 148 Electric Road, North Point, Hong Kong, using the pre-paid mailing label (no postage necessary within Hong Kong). A scanned copy may alternatively be emailed to information@hpc.sg.

• Providing a functional email address is the shareholder’s responsibility. Until a valid email address is on record, the company will send both the Notice of Publication and any actionable corporate documents in hard-copy form only.

• The Request Form can be downloaded from either the company’s website or the HKEX website.

• For further inquiries, shareholders may email the company at information@hpc.sg.

Chairman and Chief Executive Officer Wang Yingde signed the notice on 20 May 2026.