Voluntary announcement - nona biosciences develops the world's first language model trained on fully human heavy-chain-only antibodies

和鉑醫藥控股有限公司 HBM Holdings Limited (incorporated in the Cayman Islands with limited liability) (Stock Code: 02142) VOLUNTARY ANNOUNCEMENT ## NONA BIOSCIENCES DEVELOPS THE WORLD’S FIRST ## LANGUAGE MODEL TRAINED ON FULLY HUMAN ## HEAVY-CHAIN-ONLY ANTIBODIES This announcement is made by HBM Holdings Limited (the “Company”, together with its subsidiaries, the “Group”) on a voluntary basis to inform the