Changes in Director's Interest (Section 219 of CA 2016) — MR TANG YING SEE

Changes in Director's Interest (Section 219 of CA 2016) LUXCHEM CORPORATION BERHAD Information Compiled By KLSE Particulars of Director Name MR TANG YING SEE Descriptions(Class) Ordinary Shares Details of changes No Date of change No of securities Type of transaction Nature of Interest 1 17/09/2026 434,200 Acquired Direct Interest Name of registered holder Tang Ying See Description of "Others" Type of Transaction Consideration (if any) RM190,961.16 Circumstances by reason of which change has occurred Acquisition of Shares Nature of interest Direct Interest Total no of securities after change Direct (units) 29,154,100 Direct (%) 2.731 Indirect/deemed interest (units) 448,312,800 Indirect/deemed interest (%) 41.994 Date of notice 21/09/2026 Date notice received by Listed Issuer 21/09/2026 Remarks: Deemed interested by virtue of the shareholdings held by his spouse, Chin Song Mooi (10,278,000 shares), his daughter-in-law, Ervinna Teo (5,000,000 shares) and substantial shareholdings in Chemplex Resources Sdn. Bhd. (416,320,000 shares) pursuant to Section 8 of the Companies Act 2016 and shareholdings held by his son, Tang Chii Shyan (16,714,800 shares) pursuant to Section 8 and.