Changes in Director's Interest (Section 219 of CA 2016) — TAN SRI ONG LEONG HUAT @ WONG JOO HWA

Changes in Director's Interest (Section 219 of CA 2016) OSK HOLDINGS BERHAD Information Compiled By KLSE Particulars of Director Name TAN SRI ONG LEONG HUAT @ WONG JOO HWA Descriptions(Class) Ordinary Shares Details of changes No Date of change No of securities Type of transaction Nature of Interest 1 14/09/2026 123,000 Acquired Indirect Interest Name of registered holder RHB Nominees (Tempatan) Sdn. Bhd. — OSK Equity Holdings Sdn. Bhd. Description of "Others" Type of Transaction Consideration (if any) RM232,137.90 2 15/09/2026 30,000 Acquired Indirect Interest Name of registered holder RHB Nominees (Tempatan) Sdn. Bhd. — OSK Equity Holdings Sdn. Bhd. Description of "Others" Type of Transaction Consideration (if any) RM57,300.00 Circumstances by reason of which change has occurred Acquisition of Shares from Open Market Nature of interest Indirect Interest Total no of securities after change Direct (units) 81,263,791 Direct (%) 2.627 Indirect/deemed interest (units) 1,659,125,530 Indirect/deemed interest (%) 53.639 Date of notice 18/09/2026 Date notice received by Listed Issuer 18/09/2026 Remarks: The direct and indirect interests of Tan Sri Ong Leong Huat @ Wong Joo Hwa are as foll