Master of Business Administration (MBA) from University Tenaga Nasional/Melbourne Business School • Master of Engineering (M.Eng) from Imperial College of Science, Technology & Medicine, University of London Working Experience: • Encik Hasmarizal bin Hassan, the Chief Grid Officer (CGO), brings over 27 years of experience in Engineering & Design, Operation & Maintenance, and Asset Development for the Grid Division. • His strategic leadership and technical expertise have been instrumental in enhancing grid infrastructure and reliability. • Encik Hasmarizal is also responsible for ensuring the long-term sustainable growth and profitablity of the Division through effective management and optimisation of resources. He plays a major role in guiding TNB towards realising the ASEAN Power Grid in addition to driving the Energy Transition agenda. He also plays vital role in ensuring TNBprovides timely and reliable supply to Data Centres. • He serves as a board member of TNBPG Hydro Nenggiri Sdn. Bhd. and Tenaga Switchgear Sdn. Bhd. Directorships In Public Companies and Listed Issuers: No directorships in public companies and listed issuers. Management Committee(s): Date of Appointment: 1 March 2024 48 Male Malaysian Chief Distribution Network Officer IR. MAHATHIR NOR BIN ISMAIL Qualification(s): • Master of Business Administration from UNITEN and Melbourne Business School. • Master of Electrical Engineering from Universiti Teknologi Malaysia (UTM). • Bachelor of Engineering (Electrical) from the University of Southampton, UK. Working Experience: • Ir. Mahathir Nor bin Ismail has over 24 years of service at TNB, encompassing various engineering and managerial roles. Some of his top leadership positions include Managing Director of TNB Energy Services (TNBES) and TNB Engineering Corporation Sdn. Bhd. (TNEC). • He serves as a board member of TNB Retail Sdn. Bhd. (TRSB), TNB Energy Services Sdn. Bhd., and several joint-venture investment entities such as FTJ Bio Power Sdn. Bhd. and Metrosphere Hydro Tersat Sdn. Bhd. •