Company: OXY-WT
Filing Date: 2025-03-03
Form Type: 424B3
Source: 0001140361-25-006657
Chunk: 1

Company: OCCIDENTAL PETROLEUM CORP /DE/
Filing Date: 2025-03-03
Form: 424B3
Chunk 1
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arrants may no longer exercise the Warrants at the temporarily reduced exercise price of $21.30 per Warrant.

Accordingly, all references in the Prospectus indicating that the exercise price of the Warrants is $22.00 per Warrant shall temporarily reflect an exercise price of $21.30 per Warrant through the Expiration Date, unless such holder elects to exercise their Warrants at the initial exercise price of $22.00 per Warrant following the procedures set forth in the Warrant Agreement and instruct the Depositary Agent to issue the shares of Common Stock purchased pursuant to such Warrant exercises to you or your broker or nominee in book-entry form.

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**This prospectus supplement updates and supplements the information in the Prospectus and should be read in conjunction with the Prospectus, including any amendments or supplements thereto. If there is any inconsistency between the information in the Prospectus and this prospectus supplement, you should rely on the information in this prospectus supplement.

Our Common Stock and Warrants are listed on the New York Stock Exchange (the “NYSE”) under the symbols “OXY” and “OXY WS,” respectively. On February 28, 2025, the last reported sale price for our Common Stock on the NYSE was $48.84.

Investing in our Common Stock involves risks. See “Risk Factors” beginning on page S-3 and page 5 of the Prospectus and other information included or incorporated by reference into the Prospectus.

Neither the U.S. Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or passed upon the adequacy or accuracy of this prospectus supplement or the Prospectus. Any representation to the contrary is a criminal offense.**

<div align='center'>**The date of this prospectus supplement is March 3, 2025.**</div>