Changes in Director's Interest (Section 219 of CA 2016) — TAN SRI IR. KUNASINGAM A/L V.SITTAMPALAM

Changes in Director's Interest (Section 219 of CA 2016) HSS ENGINEERS BERHAD Information Compiled By KLSE Particulars of Director Name TAN SRI IR. KUNASINGAM A/L V.SITTAMPALAM Descriptions(Class) Ordinary Shares Details of changes No Date of change No of securities Type of transaction Nature of Interest 1 12/10/2026 100,000 Acquired Direct Interest Name of registered holder M & A Nominee (Tempatan) Sdn Bhd Pledged Securities Account for Kunasingam A/L V.Sittampalam (M&A) Description of "Others" Type of Transaction — Consideration (if any) RM0.5104 per share Circumstances by reason of which change has occurred Acquisition of shares via open market Nature of interest Direct Interest Total no of securities after change Direct (units) 1,008,100 Direct (%) 0.198 Indirect/deemed interest (units) 108,208,632 Indirect/deemed interest (%) 21.281 Date of notice 13/10/2026 Date notice received by Listed Issuer 13/10/2026 Remarks: 1. The percentage of the shareholding is based on the total issued share capital of 508,480,118 ordinary shares as of 12 October 2026. 2. Indirect Interest 108,208,632 ordinary shares — Deemed interest in the shares held by virtue of his direct interest in Victech So