2022 Investor Day Presentation

U.S. NATURAL GAS PIPELINES Irreplaceable North American network • • • • Strong fundamentals driving opportunity-rich environment Tracking to 6th consecutive year of record. comparable EBITDA (1) and US$1.8 billion of capital in-service in 2022 Expert team safely and reliably delivers ~27% of U.S. average daily demand ~30% of U.S. LNG feedgas transported by USNG • Greater than 90% revenues under generally long-term, take-or-pay contracts predominantly with investment-grade counterparties GTN Bison Tuscarora Northern Border Natural gas pipeline In development/construction Natural gas storage Portland Great Lakes North Baja ANR (1) Comparable EBITDA is a non-GAAP measure. See the forward-looking information and non-GAAP measures slide at the front of this presentation for more information. Columbia Gulf Columbia Gas Iroquois Millennium -Crossroads 45

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