Our Low-Carbon Pathway

41 MARKET OPPORTUNITY 59 59 US RNG Production (million MMBtu) 5x 167 299 35% 41% 61% 54% 76% 13% 3% 6% 5% 2% 2020 2025 2% -2% 2030 ■Landfill 2-3 2020 US RNG Market Size ($ in billions) 10x 11-14 2025 LCFS RIN ■ Gas 22-26 2030 Wastewater ■ Food waste ■ Agriculture Source: Analysis using Argonne National Laboratory, EPA and USDA databases, historical credit prices, and expert interviews US RNG Market Size Expected to Increase 25% P.A. in Next Decade NW Natural RENEWABLES™

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