Company: OXY-WT
Filing Date: 2025-07-28
Form Type: 424B2
Source: 0001628280-25-036238
Chunk: 26

Company: OCCIDENTAL PETROLEUM CORP /DE/
Filing Date: 2025-07-28
Form: 424B2
Chunk 26
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 supply, transportation and labor constraints;

• reorganization or restructuring of our operations;

• changes in state, federal or international tax rates, deductions, incentives or credits;

• actions by third parties that are beyond our control; and

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• other risk factors as detailed from time to time in our reports filed with the SEC, including our Annual Report on Form 10-K for the year ended December 31, 2024, which is incorporated herein by reference, as well as any subsequent periodic or current reports filed with the SEC, including the risks and uncertainties set forth in, or incorporated by reference into, this prospectus in the section entitled “ Risk Factors ” beginning on page 8 . See also “ Where You Can Find More Information ” beginning on page 2 .

These forward-looking statements reflect our current views with respect to future events and are based on numerous assumptions and assessments made by us in light of our experience and perception of historical trends, current conditions, business strategies, operating environments, future developments and other factors we believe appropriate. By their nature, forward-looking statements involve known and unknown risks and uncertainties because they relate to events and depend on circumstances that will occur in the future. The factors described in the context of such forward-looking statements in this document or in any document incorporated by reference could cause our plans, actual results, performance or achievements, industry results and developments to differ materially from those expressed in or implied by such forward-looking statements. Although we believe that the expectations reflected in such forward-looking statements are reasonable, we cannot assure you that such expectations will prove to have been correct and persons reading this document are therefore cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date of this prospectus or, in the case of a document incorporated by reference, as of the date of that document. We do not assume any obligation to update the information contained in this document (whether as a result of new information, future events or otherwise), except as required by applicable law.

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### ABOUT OCCIDENTAL

#### Our Company
Our principal businesses consist of three reporting segments: oil and gas, chemical and midstream and marketing. The oil and gas segment explores for, develops and produces oil (which includes condensate), NGL and natural gas. The chemical segment is operated by our subsidiary OxyChem, which mainly manufactures and markets basic chemicals and vinyls. The midstream and marketing segment purchases, markets, gathers, processes,