Operation of generation facilities that produce electric energy Malaysia TNB Sepang Solar Sdn. Bhd. 100% 100% Operation of generation facilities that produce electric energy Malaysia NOTES TO THE FINANCIAL STATEMENTS 31 December 2023 TENAGA NASIONAL BERHAD Integrated Annual Report 2023 358 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 TNB Research Sdn. Bhd. 100% 100% Research and development, consultancy and other services Malaysia Subsidiary of TNB Research Sdn. Bhd. TNB Labs Sdn. Bhd. 100% 100% Technical and laboratory services, consultancy and other services Malaysia TNB Retail Sdn. Bhd. 100% 100% Managing customer relationships and responsible for sale of electricity and beyond Malaysia Subsidiaries of TNB Retail Sdn. Bhd.GSPARX Sdn. Bhd. 100% 100% Invest and develop renewable energy projects for self-consumption/self-generation and its related business Malaysia TNBX Sdn. Bhd. 100% 100% T o act as the single-fronting Malaysia entity for customers to purchase/obtain solutions beyond the meter. The solutions comprise non-regulated products and services such as energy efficiency, renewable energy and smart cities Malaysia TNB Ventures Sdn. Bhd. 100% 100% Investment holding company Malaysia Subsidiary of TNB Ventures Sdn. Bhd. Tenaga Cable Industries Sdn. Bhd. 76% 76% Manufacturing and distribution of power and general cables, aluminium rods and related activities Malaysia Universiti Tenaga Nasional Sdn. Bhd. 100% 100% Providing higher education SubsidiariesofUniversitiTenagaNasional Sdn.Bhd. UNITEN R&D Sdn. Bhd. 100% 100% Providing research and development in areas related to engineering information technology, business, accountancy, liberal studies and other services Malaysia Yayasan Canselor Universiti Tenaga Nasional - - A trust established under the provision of Trustees (Incorporation) Act 1952 (Act 258) to receive and administer funds for educational