Globally Connected Infrastructure

MBbl/d 200 150 100 50 0 450 400 350 300 250 200 150 MBbl/d 100 50 0 WCSB Propane Supply Available for Exports (2022-2040) Traditional Regional Demand Eastern CAD Demand ☐ PDH Available to Export Excess Canadian LPGs Best Served in Premiere Asian Markets 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 WCSB Butane Supply Available for Exports (2022-2040) 350 300 Traditional Regional Demand Eastern CAD Demand Available to Export 250 Source: Wood Mackenzie. Notes: *See "Forward-looking Information" AltaGas 2032 2033 2034 2035 2036 2037 2038 2039 2040 2040 MBbl/d 350 300 250 200 150 100 I 50 2021 2022 2023 WCSB LPG Available for Exports (2022-2040) 2024 2025 2026 2027 2028 2029 The Marginal Canadian LPG Barrel Needs to be Exported Total LPG Available for Export 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 31

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