31.12.2018 31.12.2019 31.12.2020 31.12.2021 31.12.2022 31.12.2023 Return on asset 3.2% 2.8% 2.4% 2.6% 2.2% 1.7% Generation market share(1) 49.9% 51.42% 52.21% 52.79% 49.84% 51.11% Customer satisfaction index(3) 81% 81% 86% 87% 87% 88% Corporate reputation index(3) 88% 87% 81% 88% 79% 86% Equivalent availability factor(2) 88.93% 81.77% 87.39% 82.89% 83.2% 83.3% Equivalent unplanned outage factor(2) 3.84% 7.97% 6.65% 7.85% 7.37% 6.58% Transmission system minutes(1) 0.35 minute 0.27 minute 0.08 minute 0.08 minute 0.17 minute 0.48 minute System average interruption duration index(1) (SAIDI) minutes/customer/year 48.22 48.13 44.95 45.25 45.06 46.1 Transmission losses(1) 1.43% 1.35% 1.47% 1.60% 1.59% 1.56% Distribution losses(1) 6.39% 6.30% 6.69% 6.16% 5.45% 5.42% Employee engagement/culture barometer score 86% 89% 89% 85% 87% 89% (1) For Peninsular Malaysia only. (2) All Coal, Gas and Hydro power plants underTNB Power Generation Sdn. Bhd. (3) The respective surveys were not conducted during this four-month Annual Report period. Coal Hydro Gas RE (Solar, Wind & Biomass) Others (Oil & Mini Hydro) RETURN ON ASSETS (%) 2019 2.8 2021 2.6 2018 3.2 2020 2.4 2022 2.2 2023 1.7 GENERATION MARKET SHARE (%) 2019 51.4 2021 52.8 2018 49.9 2020 52.2 2022 49.8 2023 51.11 EQUIVALENT UNPLANNED OUTAGE FACTOR (%) 2019 8.0 2021 7.8 2018 3.8 2020 6.7 2022 7.4 2023 6.6 32.36% 41.70% 8.13% 1.62% 16.19% 2023 TENAGA NASIONAL BERHAD Integrated Annual Report 2023 20 PERFORMANCEREVIEWFROMTHE SIXCAPITALSPERSPECTIVE FINANCIAL CAPITAL MANUFACTURED CAPITAL EBITDA MARGIN 35.1% 2022: 40.9% BORROWINGS CURRENCY MIX MYR RM45,081.07 million JPY RM1,664.72 million AUD RM1,400.96 million USD RM8,848.82 million GBP RM3,603.08 million EUR RM1,171.55 million TOTAL DIVIDEND (RM) Interim 18.0 sen 2022: 20.0 sen Dividend Payout of Group PATAMI 66.6% 2022: 55.2% Final single tier dividend 28.0 sen 2022: 26.0 sen Dividend yield 4.6% 2022: 4.8% SAIDI (minutes) Peninsular Malaysia 46.1 2022: 45.06 Sabah 266.37 2022: 286.21 SYSTEM MINUTES (minutes) Peninsular Malaysia