HPC HOLDINGS LIMITED (Incorporated in the Cayman Islands with limited liability) ( 於開曼群島註冊成立的有限公司 ) (Stock Code 股份代號: 1742) N OT IF IC ATI ON LET TE R 通 知 信 函 Dear Non-registered holder(Note 1) , 10 March 2026 HPC Holdings Limited (the "Company") – Notice of Publication of Circular together with Notice of Annual General Meeting (the "Current Corporate Communications") The English and Chinese versions of the Company's Current Corporate Communications are available on the Company's website at www.hpc.sg and t ...