New shares of XBIO to be traded on December 17, 2025

Additional listed securities Subject : Additional listed shares Company name : X BIOSCIENCE PUBLIC COMPANY LIMITED (XBIO) Old capital (baht) : 7,347,832,345.00 - Common stock (Unit: shares) : 1,049,690,335 Number of additional shares : - Common stock (Unit: shares) : 631,725 New capital (baht) : 7,352,254,420.00 - Common stock (Unit: shares) : 1,050,322,060 Par value (baht per share) : 7.00 Allocated to : Right offering Ratio (Old share : New shares) : 1 : 9 Subscription price (baht per share) : 0.17 Subscription and payment period : From 01-Dec-2025 to 08-Dec-2025 Trading date : 17-Dec-2025 ______________________________________________________________________