Switchgear Sdn. Bhd. PT. Tenaga Nusa Bakti* 57% 57% Dormant Indonesia TSG Ormazabal Sdn. Bhd. 36% 36% Assembling, manufacture, test, reconditioning, distribution and other sources of medium voltage switchgear and control gear for transmission and distribution of electric power Malaysia TNB Energy Services Sdn. Bhd. 100% 100% Generating, distributing, supplying, dealing, selling of different kinds of energy sources and related technical services Malaysia Subsidiaries of TNB Energy Services Sdn. Bhd. MAEVI Sdn. Bhd. 70% 70% Dormant Malaysia Tenaga E Mobility Solutions Sdn. Bhd. 100% 100% Dormant Malaysia TNB Engineering Corporation Sdn. Bhd. 100% 100% Principally engaged as turnkey contractors, energy project development specialising in district cooling system and co-generation including operation and maintenance works Malaysia Subsidiaries of TNB Engineering Corporation Sdn. Bhd. Bangsar Energy Systems Sdn. Bhd. 100% 100%Operating an integrated district cooling system for air conditioning systems of office buildings Malaysia Subsidiary of Bangsar Energy Systems Sdn. Bhd. 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.*