Changes in Sub. S — hldr's Int (Section 138 of CA 2016) — MR TAN CHUN CHIAT

Changes in Sub. S-hldr's Int (Section 138 of CA 2016) OPPSTAR BERHAD Particulars of substantial Securities Holder Name MR TAN CHUN CHIAT 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 21 Sep 2026 1,000,000 Disposed Indirect Interest Name of registered holder Bigcore Technology Sdn. Bhd. Description of "Others" Type of Transaction 2 21 Sep 2026 1,000,000 Acquired Indirect Interest Name of registered holder True Core Sdn. Bhd. Description of "Others" Type of Transaction Circumstances by reason of which change has occurred Off market disposal and Off market acquisition Nature of interest Indirect Interest Direct (units) 78,324,900 Direct (%) 12.106 Indirect/deemed interest (units) 20,410,600 Indirect/deemed interest (%) 3.155 Total no of securities after change 98,735,500 Date of notice 22 Sep 2026 Date notice received by Listed Issuer 22 Sep 2026 Announcement Info Company Name OPPSTAR BERHAD Stock Name OPPSTAR Date Announced 22 Sep 2026 Category Change in the Interest of Substantial Shareholder Pursuant to Section 138 of CA 2016 Reference Number.