Occidental (OXY) Furnishes Q3 2025 Earnings Considerations as Exhibit 99.1

Rhea-AI Filing Summary

Occidental Petroleum Corporation provided a brief management summary of factors it believes will affect results for Q3 2025. That summary is furnished as Exhibit 99.1 to the current report and is incorporated by reference. The filing clarifies the furnished exhibit is not being treated as "filed" under Section 18 of the Exchange Act and will not be automatically incorporated into other Securities Act or Exchange Act filings unless explicitly referenced.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

Understanding 8-K Material Events →

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of Earliest Event Reported): October 10, 2025

OCCIDENTAL PETROLEUM CORPORATION

(Exact Name of Registrant as Specified in its Charter)

Delaware			1-9210			95-4035997
(State or Other Jurisdiction of Incorporation)			(Commission File Number)			(IRS Employer Identification No.)

5 Greenway Plaza, Suite 110 Houston, Texas			77046
(Address of Principal Executive Offices)			(Zip Code)

Registrant’s Telephone Number, Including Area Code: (713) 215-7000

Not Applicable

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐			Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐			Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐			Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class			Trading Symbol(s)			Name of Each Exchange on Which Registered
Common Stock, $0.20 par value			OXY			New York Stock Exchange
Warrants to Purchase Common Stock, $0.20 par value			OXY WS			New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR 230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR 240.12b-2).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    Results of Operations and Financial Condition.

On October 10, 2025, Occidental Petroleum Corporation (the “Occidental”) provided a summary of factors management believes will impact Occidental's third quarter of 2025 results (the “Earnings Considerations”). A copy of the Earnings Considerations is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

The information contained in this report and in Exhibit 99.1 shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and shall not be incorporated by reference into any filings made by Occidental under the Securities Act of 1933, as amended, or the Exchange Act, except as may be expressly set forth by specific reference in such filing.

Item 9.01     Financial Statements and Exhibits.

(d) Exhibits.

			Exhibit No.			Description
			99.1			Occidental Petroleum Corporation Third Quarter 2025 Earnings Considerations.
			104			Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

October 10, 2025			OCCIDENTAL PETROLEUM CORPORATION
			By:			/s/ Christopher O. Champion
			Name:			Christopher O. Champion
			Title:			Vice President, Chief Accounting Officer and Controller

FAQ

What did Occidental (OXY) file in this 8-K?

The company furnished a summary of management's factors expected to affect Q3 2025 results as Exhibit 99.1 and incorporated it by reference.

Does the 8-K include Q3 2025 earnings figures for OXY?

No. The filing states only that a summary of factors was furnished; it does not include revenue, earnings, or other numerical results.

Is the furnished Exhibit 99.1 treated as a filed document under the Exchange Act?

No. The filing explicitly says the information is not "filed" for purposes of Section 18 of the Exchange Act and will not be incorporated into other filings except by specific reference.

Will Exhibit 99.1 automatically become part of future OXY filings?

No. It will only be incorporated into future Securities Act or Exchange Act filings if a later filing expressly references it.

Does the 8-K disclose any material transactions or financial tables?

No. The content does not include material transactions, financial tables, or specific earnings data.