AltaGas Value Proposition

Canadian LNG Developments Drive Adjacent Opportunities LNG CANADA Project Summary $48B Phase 1 LNG export facility in Kitimat, BC with an expected 2025 in- service date. Export Capacity Phase 1 14 mmtpa Phase 2: +14 mmtpa Associated LPGs¹ (Propane/Butane) Liquids Per Phase ~50 Mbbl/d 20-25 Mbbl/d $6.4B LNG export facility 7-8 Mbbl/d Woodfibre LNG in Squamish, BC with an 2.1 mmtpa expected 2027 in-service date. 3.5 Mbbl/d KSI LISIMS LNG $8.7B floating LNG export facility in Gingolx, BC with an expected 2027-2028 in-service date. • Others (Cedar, Tilbury I/II) $3B Cedar LNG (2027+, Haisla Nation, Pembina) • $0.6B Tilbury LNG 1B Expansion (2026, Fortis) • $3.3B Tilbury LNG Phase 2 (2027+, Fortis) Notes: 1) Associated Liquids yields from representative liquids rich Montney deep-cut gas processing plants. * See "Forward-looking information" AltaGas Canadian LNG Provide Structural Tailwinds 40-45 Mbbl/d 12 mmtpa 18-22 Mbbl/d 6.2 mmtpa 20-24 Mbbl/d 9-11 Mbbl/d 30

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