Changes in Sub. S — hldr's Int (Section 138 of CA 2016) — DATO' SERI TAN ENG KEE

Changes in Sub. S-hldr's Int (Section 138 of CA 2016) GREATECH TECHNOLOGY BERHAD Particulars of substantial Securities Holder Name DATO' SERI TAN ENG KEE Nationality/Country of incorporation Malaysia Descriptions (Class) Ordinary Shares ("Shares") Details of changes No Date of change No of securities Type of Transaction Nature of Interest 1 15 Oct 2026 50,100 Acquired Direct Interest Name of registered holder DATO' SERI TAN ENG KEE Description of "Others" Type of Transaction Circumstances by reason of which change has occurred Acquisition via open market Nature of interest Direct Interest Direct (units) 1,316,162,640 Direct (%) 52.342 Indirect/deemed interest (units) 64,600 Indirect/deemed interest (%) 0.003 Total no of securities after change 1,316,227,240 Date of notice 16 Oct 2026 Date notice received by Listed Issuer 16 Oct 2026 Remarks: Total number of securities held after change is as follows:- Direct Interest: — 1,062,162,640 Shares are registered under his own name — 254,000,000 Shares are registered under CIMB Group Nominee (Tempatan) Sdn Bhd (Account Qualifier — DBS Bank Ltd) Indirect Interest: — 64,600 Shares deemed interested through his son pursuant to Section 59(11)(