Our Low-Carbon Pathway

42 PRIMARY EXPECTED RNG MARKETS PRIMARY DRIVERS REVENUE OPPORTUNITY POLICY DEPENDENCIES Commercial, Industrial, and Institutional Customers Corporate sustainability goals including emission reductions Long-term sales via bilateral contracts or through third-party marketers at prices above production costs Minimal Gas Utilities Meet voluntary emissions/renewable goals, including demand for RNG from customers, or statutory emissions targets/requirements Long-term sales contracts to utilities at prices above production costs State-level renewable and carbon reduction policies Natural Gas Vehicles Meet obligations for low- emissions fuel in state and federal regulatory programs Sales to vehicles to generate state and federal credits, which are sold to obligated parties for their compliance needs Federal and state-level clean fuel policies NW Natural RENEWABLES™

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