Investor Presentaiton

Attractive, growing service area • • 1%+ average annual customer count growth Above-average population growth due to in-migration Oregon's annual GDP growth averaged 3.3% over the past two decades (1) • Industrial segment growth driven by • high tech and data centers Unemployment in our service area remains stable at 3.3%, lower than the U.S. and Oregon rate of 3.8% (2) Average MW 1,000 800 600 400 200 Long-Term Load Growth (3) 1.20 1.15 1.10 1.05 1.00 0.95 0.90 0.85 0.80 2018 2019 2020 2021 Residential Commercial 2022 2023 2024 Industrial 2025 2026 Growth Net of EE 2027 2028 - Cumulative Growth 1) U.S. Bureau of Economic Analysis 2) Oregon Office of Economic Analysis 3) Sector load growth shown is net of energy efficiency Indexed Growth 2018=1 Portland General Electric 6

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