AltaGas Value Proposition

2024 Hedging AltaGas Hedging Philosophy Wellhead ◉ ☐ Increase tolling and reduce commodity exposure to further stabilize Midstream cashflows Residual commodity exposures actively managed through hedging program Gas Gathering & Processing GAS NGLS NGL Extraction & Fractionation C3 & C4 C5 Transportation, Storage & Rail Logistics Export C3 & C4 C3 & C4 00000 boo ན་ Global Markets AltaGas No major commodity exposures Target minimum 80% hedged in 2024 Target of minimum 80% hedge prior to 2024 year end Currently 73% hedged, through combination of tolling and financials Global Export Volumes Hedged (Tolled/Financial) Target Hedge % 85% 78% 77% 51% 78% hedged for 2024E ocean freight via time charters, financial hedges and tolled volumes Three Time Charters in place for 2024, including delivery of Boreal Pioneer and Boreal Voyager Q1/24 Q2/24 Q3/24 Q4/24 Notes: *See "Forward-looking Information" AltaGas Active Risk Management to Enhance Cashflow Stability 62

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