Changes in Sub. S — hldr's Int (Section 138 of CA 2016) — MADAM CHIN SONG MOOI

Changes in Sub. S-hldr's Int (Section 138 of CA 2016) LUXCHEM CORPORATION BERHAD Particulars of substantial Securities Holder Name MADAM CHIN SONG MOOI Nationality/Country of incorporation Malaysia Descriptions (Class) Ordinary Shares Details of changes No Date of change No of securities Type of Transaction Nature of Interest 1 17 Sep 2026 434,200 Acquired Indirect Interest Name of registered holder Tang Ying See Description of "Others" Type of Transaction Circumstances by reason of which change has occurred Acquisition of Shares by Tang Ying See (434,200 shares) Nature of interest Indirect Interest Direct (units) 10,278,000 Direct (%) 0.963 Indirect/deemed interest (units) 467,188,900 Indirect/deemed interest (%) 43.762 Total no of securities after change 477,466,900 Date of notice 21 Sep 2026 Date notice received by Listed Issuer 21 Sep 2026 Remarks: Deemed interested by virtue of the shareholdings held by her spouse, Tang Ying See (29,154,100 shares), her 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 her son, Tang Chii.