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Investor Presentation PORTLAND GENERAL ELECTRIC July 31, 2026
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Cautionary statement 2 Information Current as of July 31, 2026 Except as expressly noted, the information in this presentation is current as of July 31, 2026 - and should not be relied upon as being current as of any subsequent date. PGE undertakes no duty to update this presentation, except as may be required by law. Forward-Looking Statement Statements in this presentation that relate to future plans, objectives, expectations, performance, events and the like may constitute "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995, Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Investors should not rely unduly on any forward- looking statements. Forward-looking statements include statements, other than statements of historical or current fact, regarding PGE’s earnings guidance (including all the assumptions and expectations upon which such guidance is based), PGE’s proposed purchase of electric utility operations and certain assets in Washington state from PacifiCorp (Acquisition), and PGE’s operating and financing plans, as well as other statements containing words such as "accretive," "anticipates," "assumptions," "believes," "continue,” "could," "estimates," "expects," "expected," "forecast," "guidance,” "illustrative," "intends," “may,” "opportunities," "outlook," "pipeline," "plans," “potential,” “proposed,” "should," "target," "will," or similar expressions. Forward-looking statements are inherently subject to risks and uncertainties, some of which cannot be predicted or quantified, which could cause future events and actual results to differ materially from those set forth in, contemplated by, or underlying the forward-looking statements. Such risks, uncertainties and other factors include, without limitation: wildfire and public safety risks, including ignitions caused by PGE assets, the effectiveness of wildfire mitigation, vegetation management, and system hardening, the ability to implement public safety power shutoffs (PSPS), related liability exposure, and the timing and extent of regulatory cost recovery; severe weather, climate, and catastrophe risks, including extreme or unseasonable weather and other natural or human caused events that could endanger public safety, disrupt operations, damage assets, limit access to power or fuel supplies, increase costs, or adversely affect cost recovery; electric system operational risks, including forced outages, fires, equipment failures, adverse hydro or wind conditions, fuel supply disruptions, and complications at jointly owned facilities, resulting in increased costs or the need to procure replacement power; power and fuel supply and price risks, including availability, counterparty nonperformance, and volatility in wholesale electricity, natural gas, coal, and other fuel markets; regulatory, legislative, and policy risks, including new or revised laws, regulations, executive actions, audits, investigations, and proceedings that could affect rates, cost recovery, operations, capital plans, or financial results; Acquisition risks, including risks related to regulatory approvals, financing and joint-venture arrangements, integration and operational execution, cost recovery, and the possibility that the anticipated benefits of the Acquisition are delayed, not realized, or cost more than expected; environmental compliance and permitting risks, including evolving environmental laws and permitting requirements and site specific remediation obligations, such as Superfund liabilities, where uncertainties regarding remediation scope, cost allocation, litigation, and regulatory cost recovery could result in material costs or adversely affect PGE’s financial position, results of operations, or cash flows; capital investment and execution risks, including supply chain disruptions, cost inflation, labor constraints, permitting delays, contractual disputes, counterparty failures, or project abandonment, which could impair timely completion or cost recovery; load growth and demand uncertainty, including accelerated or uneven growth from large customers such as data centers, changes in customer usage patterns requiring substantial capital investment, variability in demand driven by weather variations, and reduced consumption or load shifting resulting from price increases, energy efficiency measures or other changes in customer behavior; customer choice and market structure risks, including reduced demand or usage shifts due to distributed generation or increased procurement from alternative providers, such as registered Electricity Service Suppliers (ESSs) or community choice aggregation programs; cybersecurity and physical security risks, including cyberattacks, data breaches, physical attacks, the use or misuse of artificial intelligence technologies, or other malicious acts that could damage assets, disrupt systems, or result in the disclosure of sensitive information; geopolitical and macroeconomic risks, including acts of war, terrorism, or civil unrest—such as the escalation of US operations in the Middle East—that could disrupt energy markets or supply chains, increase costs, or contribute to volatility in capital markets, inflation, or interest rates; economic and financial market risks, including availability and cost of capital, interest rate and equity market volatility, inflation, and trade tariffs affecting operating or capital costs; legal and litigation risks, including the timing and outcome of judicial, administrative, or regulatory proceedings, which may result in material liabilities or costs; workforce and labor risks, including labor strikes, work stoppages, collective bargaining disputes, the ability to attract and retain skilled employees, and transitions in senior management; resource procurement and All-Source Request for Proposals (RFP) project risks, including uncertainties related to the availability, cost, permitting, financing, and performance of resources selected through RFP or other regulatory processes and associated regulatory and counterparty risks; insurance availability and cost, particularly for wildfire or catastrophe related coverage; accounting, tax, and policy changes, including changes in accounting standards, tax laws, or regulatory accounting policies that could affect reported results or cash flows; and the other risks and uncertainties set forth in PGE’s Annual Report on Form 10-K for the year ended December 31, 2025, as filed with the SEC. Shiraz Bengali (503) 464-7314 Shiraz.Bengali@pgn.com Erin Schwartz (503) 464-7751 Erin.schwartz@pgn.com Portland General Electric investors.portlandgeneral.com 121 SW Salmon Street Suite 1WTC0506 Portland, OR 97204