Changes in Director's Interest (Section 219 of CA 2016) — MR ONG JU YAN

Changes in Director's Interest (Section 219 of CA 2016) OSK HOLDINGS BERHAD Information Compiled By KLSE Particulars of Director Name MR ONG JU YAN Descriptions(Class) Ordinary Shares Details of changes No Date of change No of securities Type of transaction Nature of Interest 1 01/10/2026 80,000 Acquired Direct Interest Name of registered holder Ong Ju Yan Description of "Others" Type of Transaction Consideration (if any) RM140,400.00 2 02/10/2026 60,000 Acquired Direct Interest Name of registered holder Ong Ju Yan Description of "Others" Type of Transaction Consideration (if any) RM103,200.00 Circumstances by reason of which change has occurred Acquisition of Shares from Open Market Nature of interest Direct Interest Total no of securities after change Direct (units) 39,136,225 Direct (%) 1.265 Indirect/deemed interest (units) 4,001,551 Indirect/deemed interest (%) 0.129 Date of notice 06/10/2026 Date notice received by Listed Issuer 06/10/2026 Remarks: The direct and indirect interests of Ong Ju Yan are as follows:- Direct Interest: — 1. Ong Ju Yan — 31,636,225 ordinary shares 2. Maybank Nominees (Tempatan) Sdn. Bhd. — Pledged Securities Account for Ong Ju Yan — 7,500,000.