Selesa Energy Systems Sdn. Bhd. 70% 70% Dormant Malaysia Subsidiaries of TNB Engineering Corporation Sdn. Bhd. (continued) Cooling Energy Supply Sdn. Bhd. 70% 70% Operation of the concession to operate, maintain and upgrade an existing district cooling co-generation plant and to supply electricity and chilled water to customer Malaysia NOTES TO THE FINANCIAL STATEMENTS 31 December 2023 FINANCIAL STATEMENTS Sec 5 345 49 LIST OF SUBSIDIARIES (CONTINUED) The list of subsidiaries of the Group is as follows: (continued) Name of subsidiary Group’s effective interest Principal activities Country of incorporation 2023 2022 Subsidiaries of TNB Engineering Corporation Sdn. Bhd. (continued) TNEC Construction Sdn. Bhd. 100% 100% Dormant Malaysia TNEC Operations And Maintenance Sdn. Bhd. 100% 100% Investment holding company Malaysia Subsidiary of TNEC Operations and Maintenance Sdn. Bhd. TomestEnergyManagementSdn.Bhd.* (Inmembers’voluntarywindingup)51%51%DormantMalaysiaTNB International Sdn. Bhd. 100% 100% Investment holding company Malaysia Subsidiaries of TNB International Sdn. Bhd. Stone HoldCo Pty Ltd* 100% - Investment holding company Australia Subsidiary of Stone HoldCo Pty Ltd Stone BidCo Pty Ltd* 100% - Investment holding company Australia Subsidiary of Stone BidCo Pty Ltd Spark Renewables Pty Ltd* 100% - Investment holding company Australia SubsidiariesofSparkRenewables PtyLtd Renewables ServiceCo Pty Ltd* 100% - Investment holding company Australia Bomen SF HoldCo Pty Ltd* 100% - Investment holding company Australia SubsidiaryofBomenSFHoldCo PtyLtd Bomen Solar Farm Pty Ltd* 100% - Operation of solar assets for the generation and sale of electricity Australia SubsidiariesofSparkRenewables PtyLtd(continued) Bomen SF Hold Trust* 100% - Investment holding entity (trust) Australia Subsidiary of Bomen SF Hold Trust Bomen SF Trust* 100% - Investment holding entity (trust) Australia Subsidiary of Bomen SF Trust Bomen SF Finco Pty Ltd* 100% - Investment holding company Australia SubsidiariesofSparkRenewables