Our Low-Carbon Pathway

54 NORTH MIST FACILITY • • Unique no-notice 24/7 storage service supporting gas-fired electric generating facilities that are integrating wind into energy generation mix $149 million investment was immediately included in rate base once placed into service in May 2019 Contracted under 30-year agreement with single-customer (Portland General Electric)* North Mist Port Westward 13M Pipeline Portland, Oregon Willamette River PROJECT PROFILE Storage Capacity Facility Cost 4.1 Bcf $149M Columbia River Columbia Gorge NW NaturalⓇ *Contract includes options to extend up to an additional 50 years

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