2022 Investor Day Presentation

U.S. NATURAL GAS FUNDAMENTALS Strong demand supports near and long-term growth U.S. natural gas demand growth Bcf/d (incremental from 2021 at 91 Bcf/d) 25 Total demand growth 2021 - 2030 +27% 20 15 10 5 0 2022E Basin production forecast Bcf/d 40 30 20 10 0 2022E Source: Internal TC Energy forecasts 2026E 2030E 2026E 2030E 2022 ENERGY THEMES + SECURITY Reinforces the importance and value of stable infrastructure for meeting near and long-term energy needs U.S. LNG exports Electric + RELIABILITY Industrial U.S. exports to Mexico ResComm • Natural gas proves exceptionally reliable as the "always on" fuel, and a critical foundation for the ongoing buildout of renewables ―Appalachia Permian -Haynesville + AFFORDABILITY • North American natural gas is abundant pipeline connectivity - makes gas accessible, affordable and reduces pricing volatility for customers 48

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