Changes in Sub. S — hldr's Int (Section 138 of CA 2016) — EMPLOYEES PROVIDENT FUND BOARD ("EPF BOARD")

Changes in Sub. S-hldr's Int (Section 138 of CA 2016) PETRONAS CHEMICALS GROUP BERHAD Particulars of substantial Securities Holder Name EMPLOYEES PROVIDENT FUND BOARD ("EPF BOARD") Address 5TH FLOOR, EPF TOWER No. 1, Persiaran Kwasa Utama Shah Alam 40150 Selangor Malaysia. Company No. EPF ACT 1991 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 13 Oct 2026 13,000 Acquired Direct Interest Name of registered holder CITIGROUP NOMINEES (TEMPATAN) SDN BHD — EPF BOARD (AHAM AM) Address of registered holder LEVEL 42 MENARA CITIBANK 165 JALAN AMPANG 50450 KUALA LUMPUR Description of "Others" Type of Transaction Circumstances by reason of which change has occurred ACQUISITION OF 13,000 SHARES BY CITIGROUP NOMINEES (TEMPATAN) SDN BHD — EPF BOARD (AHAM AM) Nature of interest Direct Interest Direct (units) 1,123,865,920 Direct (%) 14.048 Indirect/deemed interest (units) Indirect/deemed interest (%) Total no of securities after change 1,123,865,920 Date of notice 14 Oct 2026 Date notice received by Listed Issuer 16 Oct 2026 Announcement Info Company Name PETRONAS CHE