Our Low-Carbon Pathway

5 NWN AT A GLANCE Gas Utility • 2.5 million people served 785,000+ connections 14,000 miles of modern pipeline • $3.9 billion in assets Fast-growing service territory in Oregon & Southwest Washington COOS BAY WASHINGTON ASTORIA N. MIST & MIST VANCOUVER PORTLAND THE DALLES T TRAINING CENTER LINCOLN CITY SALEM NEWPORT ALBANY EUGENE OREGON KEY NW NATURAL SERVICE TERRITORY TRAINING CENTER OREGIONAL RESOURCE CENTER ⚫ STORAGE OPERATIONS CENTER Water & Wastewater Utilities • • 150,000 people and 61,000 connections served when pending acquisitions close Nearly $250 million invested & committed after pending acquisitions close Fast-growing service territories Continued disciplined expansion NW Natural Renewables Investing in renewable energy and the transition to a decarbonized future Focused on the production and supply of net low-carbon fuels supporting a variety of sectors Initial $50 million total investment in RNG production facility OR WA ID TX *Water & wastewater acquisition pending Salmon Valley Water Falls Water Sunriver Water and Wastewater Avion Water Gem State Water Cascadia Water Suncadia Water and Wastewater Blue Topaz NW Natural HOLDINGS™

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