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OCCIDENTAL PETROLEUM CORP /DE/

For the period ended Dec 31, 2025. Filed Feb 18, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 18, 2026

OXY$56.38+0.0%Stored close · as of Nov 6, 2026

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Contents

Environmental Regulation

table of contentsBUSINESS AND PROPERTIES

ENVIRONMENTAL REGULATION

For environmental regulation information, including associated costs, see the information under Environmental Expenditures in the Management’s Discussion and Analysis of Financial Condition and Results of Operations section under Part II, Item 7 of this Form 10-K, Risk Factors under Part I, Item 1A of this Form 10-K and in Note 11 - Environmental Liabilities and Expenditures and Note 12 - Lawsuits, Claims, Commitments and Contingencies in the Notes to Consolidated Financial Statements in Part II Item 8 of this Form 10-K.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.