KEYCORP /NEW/

For the period ended Dec 31, 2025. Filed Feb 23, 2026.

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FY2025 · Filed Feb 23, 2026

KEY$21.34-0.3%Stored close · as of Nov 10, 2026

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Report of Independent Registered Public Accounting Firm

To the Shareholders and the Board of Directors of KeyCorp

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of KeyCorp as of December 31, 2025 and 2024, the related consolidated statements of income, comprehensive income, changes in equity and cash flows for each of the three years in the period ended December 31, 2025, and the related notes (collectively referred to as the “consolidated financial statements”). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of KeyCorp at December 31, 2025 and 2024, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2025, in conformity with U.S. generally accepted accounting principles.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), KeyCorp’s internal control over financial reporting as of December 31, 2025, based on criteria established in Internal Control-Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework), and our report dated February 23, 2026 expressed an unqualified opinion thereon.

Basis for Opinion

These financial statements are the responsibility of KeyCorp’s management. Our responsibility is to express an opinion on KeyCorp’s financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to KeyCorp in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

Critical Audit Matter

The critical audit matter communicated below is a matter arising from the current period audit of the financial statements that was communicated or required to be communicated to the audit committee and that: (1) relates to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, subjective or complex judgments. The communication of the critical audit matter does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matter below, providing a separate opinion on the critical audit matter or on the account or disclosure to which it relates.

	Allowance for Loan and Lease Losses (ALLL)
Description of the Matter	KeyCorp’s loan and lease portfolio totaled $106.5 billion as of December 31, 2025 and the associated ALLL was $1.4 billion. As discussed in Note 1 and 4 of the financial statements, the ALLL represents management’s current estimate of lifetime credit losses inherent in the loan portfolio at the balance sheet date. Management estimates the ALLL using relevant available information, from internal and external sources, relating to past events, current portfolio specific and economic conditions, and reasonable and supportable forecasts. The ALLL is the sum of (i) asset specific / individual loan reserves; (ii) quantitative (formulaic or pooled) reserves; and (iii) qualitative (judgmental) reserves. Management estimates the quantitative reserves using probability of default / loss given default / exposure at default models (“loss forecasting models”), as well as other estimation methods for smaller loan portfolios. The ALLL also considers qualitative factors related to idiosyncratic risk factors, changes in current economic conditions that may not be reflected in quantitatively derived results, and other relevant factors to reflect management’s best estimate of current expected credit losses.Auditing management’s ALLL was complex due to the loss forecasting models used to compute the quantitative reserve and involves a high degree of subjectivity and judgment in evaluating management’s determination of the qualitative factor adjustments to the ALLL described above.
How We Addressed the Matter in Our Audit	We obtained an understanding, evaluated the design and tested the operating effectiveness of controls over KeyCorp’s ALLL process, including controls over the appropriateness of the ALLL methodology, operation and monitoring of loss forecasting models, the reliability and accuracy of data used in developing the ALLL estimate, and management’s review and approval process over the economic forecast, qualitative adjustments and overall ALLL results.With the assistance of EY specialists, we tested management’s loss forecasting models, including evaluating the conceptual soundness of model methodology, assessing model performance and governance, testing key modeling assumptions and independently recalculating model output. We also verified the underlying economic forecast data used to estimate the quantitative reserve was complete and accurate.To test the qualitative factor adjustments, among other procedures, we assessed management’s methodology and considered whether relevant risks were reflected in the models and whether adjustments to the model output were appropriate. We tested the completeness, accuracy and relevance of the underlying data used to estimate the qualitative adjustments. We evaluated whether qualitative adjustments were reasonable based on changes in economic conditions, the loan portfolio, and management’s policies and procedures. For example, we evaluated the reasonableness of qualitative adjustments (or lack thereof) for concentrations of credit by independently comparing to loan portfolio information. We also assessed whether qualitative adjustments were consistent with publicly available information (e.g., macroeconomic data). Further, we performed an independent search for the existence of new or contrary information relating to risks impacting the qualitative factor adjustments to validate that management’s considerations are appropriate. Additionally, we evaluated whether the overall ALLL, inclusive of qualitative factor adjustments, appropriately reflects losses expected in the loan and lease portfolio by comparing to peer bank data and KeyCorp’s actual historical loss data.

We have served as KeyCorp’s auditor since 1994.Cleveland, OhioFebruary 23, 2026

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