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    SEC Form 10-Q filed by Occidental Petroleum Corporation

    5/5/26 4:18:31 PM ET
    $OXY
    Oil & Gas Production
    Energy
    Get the next $OXY alert in real time by email
    oxy-20260331
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    UNITED STATES SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549

    FORM 10-Q
    ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d)
    OF THE SECURITIES EXCHANGE ACT OF 1934

    For the quarterly period ended March 31, 2026
    OR
    ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)
    OF THE SECURITIES EXCHANGE ACT OF 1934

    For the transition period from ___________ to ___________

    Commission file number 1-9210
    _____________________

    OCCIDENTAL PETROLEUM CORPORATION
    (Exact name of registrant as specified in its charter)
    Delaware95-4035997
    (State or other jurisdiction of
    incorporation or organization)
    (I.R.S. Employer
    Identification No.)
    5 Greenway Plaza, Suite 110
    Houston,Texas77046
    (Address of principal executive offices) (Zip Code)
    (713) 215-7000
    (Registrant's telephone number, including area code)
    Securities registered pursuant to Section 12(b) of the Act:
    Title of each classTrading Symbol(s)Name of each exchange on which registered
    Common Stock, $0.20 par valueOXYNew York Stock Exchange
    Warrants to Purchase Common Stock, $0.20 par value
    OXY WSNew York Stock Exchange
    Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. þ Yes   ☐ No
    Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). þ Yes   ☐ No
    Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act.
    Large Accelerated Filer        þ    Accelerated Filer        ☐    Non-Accelerated Filer     ☐
    Smaller Reporting Company    ☐    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. ☐
    Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). ☐ Yes   þ No
    Indicate the number of shares outstanding of each of the issuer's classes of common stock, as of the latest practicable date.
    Class Outstanding as of April 30, 2026 
     Common Stock, $0.20 par value 994,634,701



    TABLE OF CONTENTSPAGE
    Part I - Financial Information
    Item 1. Financial Statements (unaudited)
    Consolidated Condensed Balance Sheets — March 31, 2026 and December 31, 2025
    2
    Consolidated Condensed Statements of Operations — Three months ended March 31, 2026 and 2025
    3
    Consolidated Condensed Statements of Comprehensive Income — Three months ended March 31, 2026 and 2025
    4
    Consolidated Condensed Statements of Equity — Three months ended March 31, 2026 and 2025
    5
    Consolidated Condensed Statements of Cash Flows — Three months ended March 31, 2026 and 2025
    6
    Notes to Consolidated Condensed Financial Statements
    Note 1—General
    7
    Note 2—Revenue
    9
    Note 3—Long-Term Debt
    11
    Note 4—Acquisitions, Divestitures and Other Transactions
    13
    Note 5—Derivatives
    14
    Note 6—Income Taxes
    16
    Note 7—Environmental Liabilities and Expenditures
    17
    Note 8—Lawsuits, Claims, Commitments and Contingencies
    19
    Note 9—Earnings Per Share and Equity
    21
    Note 10—Segments
    22
    Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations
    25
    Cautionary Statement Regarding Forward-Looking Statements
    25
    Current Business Outlook
    26
    Consolidated Results of Operations and Items Affecting Comparability
    27
    Segment Results of Operations
    30
    Income Taxes
    35
    Liquidity and Capital Resources
    35
    Environmental Liabilities and Expenditures
    36
    Lawsuits, Claims, Commitments and Contingencies
    36
    Item 3. Quantitative and Qualitative Disclosures About Market Risk
    36
    Item 4. Controls and Procedures
    36
    Part II - Other Information
    Item 1. Legal Proceedings
    36
    Item 1A. Risk Factors
    36
    Item 2. Unregistered Sales of Equity Securities and Use of Proceeds
    37
    Item 5. Other Information
    37
    Item 6. Exhibits
    38




    DEFINED TERMS AND ABBREVIATIONS USED WITHIN THIS DOCUMENT    
    $/Bblprice per barrel
    AnadarkoAnadarko Petroleum Corporation and its consolidated subsidiaries
    AOCAdministrative Order on Consent
    Bcfbillions of cubic feet
    Berkshire HathawayBerkshire Hathaway Inc.
    Berkshire WarrantsStock warrants issued on August 8, 2019 to Berkshire Hathaway with a $59.59 strike price
    BlackRockBlackRock Inc.
    Boebarrels of oil equivalent
    CERCLAComprehensive Environmental Response, Compensation, and Liability Act
    CO2
    carbon dioxide
    the CompanyOccidental and/or one or more entities in which it owns a controlling interest (subsidiaries)
    Common Stock WarrantsStock warrants issued to holders of Occidental common stock with a strike price of $22.00, listed on the NYSE under the symbol “OXY.WS”
    DASSDiamond Alkali Superfund Site
    EPAU.S. Environmental Protection Agency
    EPSearnings per share
    HLBVHypothetical Liquidation at Book Value
    IACItems Affecting Comparability
    LOELease operating expense
    Mbblthousands of barrels
    Mboethousands of barrels equivalent
    Mboe/dthousands of barrels equivalent per day
    Mcfthousands of cubic feet
    MMbblmillions of barrels
    MMcfmillions of cubic feet
    NCI
    non-controlling interest
    NGLnatural gas liquids
    NPLNational Priorities List
    OccidentalOccidental Petroleum Corporation, a Delaware corporation
    OPECOrganization of the Petroleum Exporting Countries
    OUOperable Unit
    OxyChemOccidental Chemical Corporation, a Texas corporation, and its consolidated subsidiaries
    OxyChem Transactionthe sale of all of the issued and outstanding equity interests in OxyChem to Berkshire Hathaway pursuant to a purchase and sale agreement dated October 2, 2025, which closed on January 2, 2026
    RCFrevolving credit facility
    RODRecord of Decision
    SECU.S. Securities and Exchange Commission
    VIE
    variable interest entity
    Wahanatural gas trading hub in the Permian Basin
    WESWestern Midstream Partners, LP
    WES OperatingWestern Midstream Operating, LP
    WTIWest Texas Intermediate
    Zero CouponsZero Coupon senior notes due 2036
    2025 Form 10-KOccidental's Annual Report on Form 10-K for the year ended December 31, 2025
    1


    PART I FINANCIAL INFORMATION
    Item 1. Financial Statements (unaudited)
    Consolidated Condensed Balance SheetsOccidental Petroleum Corporation and Subsidiaries
    millionsMarch 31, 2026December 31, 2025
    ASSETS
    Cash and cash equivalents$3,811 $1,968 
    Trade receivables, net of reserves3,677 2,575 
    Joint interest receivables791 684 
    Inventories1,862 1,823 
    Other current assets933 601 
    Current assets held for sale— 1,176 
    Total current assets11,074 8,827 
    Property, plant and equipment, gross138,123 137,753 
    Accumulated depreciation, depletion and amortization(75,007)(74,110)
    Total property, plant and equipment, net63,116 63,643 
    Operating lease assets890 908 
    Investments in unconsolidated entities2,341 2,475 
    Non-current assets held for sale— 5,344 
    Other long-term assets3,043 2,989 
    Total non-current assets6,274 11,716 
    TOTAL ASSETS$80,464 $84,186 
    LIABILITIES
    Current maturities of long-term debt$424 $1,773 
    Accounts payable3,776 3,285 
    Accrued liabilities4,953 3,592 
    Liabilities held for sale— 778 
    Total current liabilities9,153 9,428 
    Long-term debt, net15,247 20,623 
    Deferred income taxes, net5,033 5,636 
    Asset retirement obligations4,128 4,172 
    Non-current liabilities held for sale— 418 
    Other liabilities7,343 7,311 
    Total deferred credits and other liabilities16,504 17,537 
    EQUITY
    Preferred stock, at $1.00 per share par value, issued shares: 2026 — 84,897 and 2025 —84,897
    8,287 8,287 
    Common stock, at $0.20 per share par value, authorized shares: 1.5 billion, issued shares: 2026 — 1,220,886,511 and 2025 — 1,214,337,600
    244 243 
    Treasury stock: 2026 — 229,693,951 shares and 2025 — 228,311,184 shares
    (15,676)(15,597)
    Additional paid-in capital21,077 21,008 
    Retained earnings24,806 21,891 
    Accumulated other comprehensive income194 202 
    Total stockholders' equity38,932 36,034 
    Noncontrolling interest628 564 
    Total equity39,560 36,598 
    TOTAL LIABILITIES AND EQUITY$80,464 $84,186 
    The accompanying notes are an integral part of these Consolidated Condensed Financial Statements.
    2


    Consolidated Condensed Statements of OperationsOccidental Petroleum Corporation and Subsidiaries
    Three months ended March 31,
    millions, except per-share amounts20262025
    REVENUES AND OTHER INCOME
    Net sales$5,230 $5,704 
    Interest, dividends and other income81 53 
    Losses on sales of assets and other, net(202)(19)
    Total5,109 5,738 
    COSTS AND OTHER DEDUCTIONS
    Oil and gas lease operating expense1,118 1,217 
    Transportation and gathering expense421 452 
    General and administrative expense245 241 
    Other operating and non-operating expense356 326 
    Taxes other than on income259 264 
    Depreciation, depletion and amortization1,794 1,804 
    Asset impairments and other charges120 — 
    Acquisition-related costs— 6 
    Exploration expense110 55 
    Interest and debt expense, net432 310 
    Total4,855 4,675 
    Income before income taxes and other items254 1,063 
    OTHER ITEMS
    Income from equity investments and other136 114 
    Total136 114 
    Income from continuing operations before income taxes390 1,177 
    Income tax expense (154)(347)
    Income from continuing operations236 830 
    Discontinued operations, net of taxes3,123 115 
    NET INCOME3,359 945 
    Less: Net income attributable to noncontrolling interest(14)(9)
    Less: Preferred stock dividends(170)(170)
    NET INCOME ATTRIBUTABLE TO COMMON STOCKHOLDERS$3,175 $766 
    PER COMMON SHARE
    Income from continuing operations—basic$0.05 $0.69 
    Discontinued operations—basic3.14 0.12 
    Net income attributable to common stockholders—basic$3.19 $0.81 
    Income from continuing operations—diluted$0.05 $0.65 
    Discontinued operations—diluted3.08 0.12 
    Net income attributable to common stockholders—diluted$3.13 $0.77 
    The accompanying notes are an integral part of these Consolidated Condensed Financial Statements.
    3


    Consolidated Condensed Statements of Comprehensive IncomeOccidental Petroleum Corporation and Subsidiaries
    Three months ended March 31,
    millions20262025
    Net income$3,359 $945 
    Other comprehensive income (loss) items:
    Gains (losses) on derivatives 3 (3)
    Pension and postretirement losses(16)(3)
    Other5 (3)
    Other comprehensive income (loss), net of tax(8)(9)
    Comprehensive income3,351 936 
    Less: Comprehensive income attributable to noncontrolling interest(14)(9)
    Comprehensive income attributable to preferred and common stockholders$3,337 $927 

    The accompanying notes are an integral part of these Consolidated Condensed Financial Statements.
    4



    Consolidated Condensed Statements of EquityOccidental Petroleum Corporation and Subsidiaries
    Equity Attributable to Common Stock
    millions, except per-share amountsPreferred StockCommon StockTreasury StockAdditional Paid-in CapitalRetained EarningsAccumulated Other Comprehensive Income (Loss) Noncontrolling InterestTotal Equity
    Balance as of December 31, 2024$8,287 $233 $(15,597)$19,868 $21,189 $179 $321 $34,480 
    Net income— — — — 936 — 9 945 
    Other comprehensive loss, net
      of tax
    — — — — — (9)— (9)
    Dividends on common stock, $0.24 per share
    — — — — (229)— — (229)
    Dividends on preferred stock, $2,000 per share
    — — — — (170)— — (170)
    Shareholder warrants exercised— — — 3 — — — 3 
    Issuance of common stock and
    other, net of cancellations
    — 1 — 21 — — — 22 
    Noncontrolling interest contributions, net— — — — — — 63 63 
    Balance as of March 31, 2025$8,287 $234 $(15,597)$19,892 $21,726 $170 $393 $35,105 

    Equity Attributable to Common Stock
    millions, except per-share amountsPreferred StockCommon StockTreasury StockAdditional Paid-in CapitalRetained EarningsAccumulated Other Comprehensive Income (Loss)Noncontrolling InterestTotal Equity
    Balance as of December 31, 2025$8,287 $243 $(15,597)$21,008 $21,891 $202 $564 $36,598 
    Net income— — — — 3,345 — 14 3,359 
    Other comprehensive loss, net
      of tax
    — — — — — (8)— (8)
    Dividends on common stock,
      $0.26 per share
    — — — — (260)— — (260)
    Dividends on preferred stock,
      $2,000 per share
    — — — — (170)— — (170)
    Shareholder warrants exercised— 1 — 78 — — — 79 
    Options exercised— — — 6 — — — 6 
    Issuance of common stock and other, net of cancellations— — — (15)— — — (15)
    Purchase of treasury stock— — (79)— — — — (79)
    Noncontrolling interest contributions, net— — — — — — 50 50 
    Balance as of March 31, 2026$8,287 $244 $(15,676)$21,077 $24,806 $194 $628 $39,560 
    The accompanying notes are an integral part of these Consolidated Condensed Financial Statements.
    5


    Consolidated Condensed Statements of Cash FlowsOccidental Petroleum Corporation and Subsidiaries
    Three months ended March 31,
    millions20262025
    CASH FLOW FROM OPERATING ACTIVITIES
    Net income$3,359 $945 
    Adjustments to reconcile net income to net cash provided by operating activities:
    Discontinued operations, net(3,123)(115)
    Depreciation, depletion and amortization of assets1,794 1,804 
    Deferred income tax provision (benefit)50 (125)
    Asset impairments and other charges105 — 
    Losses on sales of assets and other, net202 19 
    Other noncash charges to income 864 243 
    Changes in operating assets and liabilities:
    Increase in trade receivables(1,101)(19)
    Increase in inventories(26)— 
    Increase in other current assets(285)(3)
    Decrease in accounts payable and accrued liabilities(482)(766)
    Increase in current domestic and foreign income taxes35 49 
    Operating cash flow from continuing operations1,392 2,032 
    Operating cash flow from discontinued operations, net of taxes(111)116 
    Net cash provided by operating activities1,281 2,148 
    CASH FLOW FROM INVESTING ACTIVITIES
    Capital expenditures(1,554)(1,682)
    Change in capital accrual(25)50 
    Purchases of assets, businesses and equity investments, net(25)(52)
    Proceeds from sales of assets, net57 1,306 
    Equity investments and other, net(66)(75)
    Investing cash flow from continuing operations(1,613)(453)
    Investing cash flow from discontinued operations9,461 (278)
    Net cash provided (used) by investing activities7,848 (731)
    CASH FLOW FROM FINANCING ACTIVITIES
    Payments of debt(6,903)(518)
    Proceeds from issuance of common stock95 25 
    Purchases of treasury stock(56)— 
    Cash dividends paid on common and preferred stock(409)(380)
    Contributions from noncontrolling interest50 63 
    Other financing, net(105)(118)
    Financing cash flow from continuing operations(7,328)(928)
    Financing cash flow from discontinued operations— (4)
    Net cash used by financing activities(7,328)(932)
    Increase in cash, cash equivalents, restricted cash and restricted cash equivalents1,801 485 
    Cash, cash equivalents, restricted cash and restricted cash equivalents — beginning of period2,046 2,157 
    Cash, cash equivalents, restricted cash and restricted cash equivalents — end of period$3,847 $2,642 
    The accompanying notes are an integral part of these Consolidated Condensed Financial Statements.
    6


    Notes to Consolidated Condensed Financial StatementsOccidental Petroleum Corporation and Subsidiaries
    NOTE 1 - GENERAL

    NATURE OF OPERATIONS
    The Company conducts its operations through various subsidiaries and affiliates. The Company has made its disclosures in accordance with United States generally accepted accounting principles as they apply to interim reporting and has condensed or omitted, as permitted by the rules and regulations of the SEC, certain information and disclosures normally included in Consolidated Financial Statements and the notes thereto. These unaudited Consolidated Condensed Financial Statements should be read in conjunction with the audited Consolidated Financial Statements and the notes thereto in the 2025 Form 10-K.
    In the opinion of the Company's management, the accompanying unaudited Consolidated Condensed Financial Statements in this report reflect all adjustments (consisting of normal recurring adjustments) that are necessary to fairly present the Company's results of operations and cash flows for the three months ended March 31, 2026 and 2025 and the Company's financial position as of March 31, 2026 and December 31, 2025. The income and cash flows for the periods ended March 31, 2026 and 2025 are not necessarily indicative of the income or cash flows to be expected for the full year.

    WES INVESTMENT
    WES is a publicly traded limited partnership with its limited partner units traded on the NYSE under the ticker symbol "WES." As of March 31, 2026, the Company owned all of the 2.2% non-voting general partner interest, 38.2% of the WES limited partner units, and a 2% non-voting limited partner interest in WES Operating, a subsidiary of WES. In February 2026, in connection with the amendment of certain commercial agreements, the Company transferred 15.3 million units to WES, and recorded charges of $105 million. As of March 31, 2026, the Company's combined share of net income from WES and its subsidiaries was 40.8%.

    DISCONTINUED OPERATIONS
    The OxyChem Transaction closed on January 2, 2026 for an adjusted purchase price of $9.5 billion, subject to additional post-closing adjustments. In connection with the transaction, the Company retained environmental liabilities relating to legacy sites. Furthermore, there are post-closing indemnification obligations for (i) such legacy environmental liabilities and (ii) pre-closing liabilities of OxyChem, including pre-closing environmental liabilities, in each case subject to certain limitations and procedures, and Occidental entered into a guaranty in favor of Berkshire Hathaway to guarantee these indemnification obligations.
    As a result of our agreement to sell OxyChem, the following changes in our basis of presentation have occurred:

    ■In accordance with ASC 205, Discontinued Operations, intersegment sales from our oil and gas and midstream and marketing segments to the chemical segment are no longer eliminated as intercompany transactions. All periods presented have been retrospectively adjusted to reflect this change.
    ■Beginning October 1, 2025, in accordance with ASC 360, Property, Plant, and Equipment (PP&E), depreciation and amortization were no longer recorded for the chemical segment's PP&E and right of use lease assets.

    Unless otherwise indicated, information presented in the Notes to Consolidated Financial Statements relates only to the Company's continuing operations. Additional information related to discontinued operations is included in Note 4 - Acquisitions, Divestitures and Other Transactions and in some instances, where appropriate, is included as a separate disclosure within the individual Notes to Consolidated Financial Statements.

    NON-CONTROLLING INTEREST
    The Company and BlackRock formed a joint venture for the continued development of the first commercial-scale direct air capture facility. The joint venture is a VIE and the Company consolidates the VIE as it is the primary beneficiary. BlackRock's investment is accounted for as an NCI. As of March 31, 2026, BlackRock has invested the entirety of its total commitment of $550 million. In addition, the Company has entered into agreements with the joint venture related to project management, operations and maintenance and carbon removal offtake. The Company may incur additional payments if certain construction and operational thresholds are not met.
    The Company may call the NCI on June 30, 2035 or earlier if the plant does not achieve commercial operations or ceases and permanently discontinues operations. Dividends from the joint venture will be distributed preferentially to the
    7


    NCI up to a return threshold, then preferentially to the Company thereafter. The NCI receives preferential distributions in liquidation.
    The Company has determined that the appropriate methodology for attributing income and loss from the joint venture is the HLBV method. As of March 31, 2026, the VIE's assets were comprised of $1.2 billion construction in progress. Noncontrolling interest as of March 31, 2026 was $628 million.

    CASH EQUIVALENTS AND RESTRICTED CASH EQUIVALENTS
    The Company considers all highly liquid investments with a maturity of three months or less when purchased to be cash equivalents or restricted cash equivalents. The cash equivalents and restricted cash equivalents balances for the periods presented include investments in government money market funds in which the carrying value approximates fair value.
    The following table provides a reconciliation of cash, cash equivalents, restricted cash and restricted cash equivalents as reported in the Consolidated Condensed Statements of Cash Flows as of March 31, 2026 and 2025:

    millions20262025
    Cash and cash equivalents$3,811 $2,604 
    Cash and cash equivalents included in assets held for sale— 8 
    Restricted cash and restricted cash equivalents included in other current assets18 15 
    Restricted cash and restricted cash equivalents included in other long-term assets18 15 
    Cash, cash equivalents, restricted cash and restricted cash equivalents$3,847 $2,642 

    RECEIVABLES AND OTHER CURRENT ASSETS
    Trade receivables, net of $3.7 billion and $2.6 billion as of March 31, 2026 and December 31, 2025, respectively, represent rights to payment for which the Company had satisfied its obligations under a contract with a customer and its right to payment was conditioned only on the passage of time. The allowance for doubtful accounts was insignificant as of both dates.

    SUPPLEMENTAL CASH FLOW INFORMATION
    The following table represents U.S. federal, state and international income taxes paid, refunds received and interest paid during the three months ended March 31, 2026 and 2025, respectively:

    millions20262025
    Income tax payments$118 $414 
    Income tax refunds received$— $(1)
    Interest paid (a)
    $404 $486 
    (a)    Net of capitalized interest of $50 million and $42 million for the three months ended March 31, 2026 and 2025, respectively.

    8


    INVENTORIES
    Materials and supplies are valued at weighted-average cost and are reviewed periodically for obsolescence. Commodity inventory primarily represents oil, which is carried at the lower of weighted-average cost or net realizable value.
    Inventories consisted of the following as of March 31, 2026 and December 31, 2025:

    millionsMarch 31, 2026December 31, 2025
    Materials and supplies$1,249 $1,222 
    Commodity inventory613 601 
    Total$1,862 $1,823 

    ACCRUED LIABILITIES - CURRENT
    Accrued liabilities - current consisted of the following as of March 31, 2026 and December 31, 2025:

    millionsMarch 31, 2026December 31, 2025
    Income tax payable$1,643 $159 
    Payroll and related expenses354 620 
    Taxes other than on income413 498 
    Accrued interest payable184 386 
    Dividends payable 405 383 
    Asset retirement obligations343 381 
    Operating lease liabilities383 350 
    Other1,228 815 
    Total$4,953 $3,592 

    OTHER LONG-TERM LIABILITIES
    Other long-term liabilities consisted of the following as of March 31, 2026 and December 31, 2025:

    millionsMarch 31, 2026December 31, 2025
    Long term tax liabilities$2,427 $2,393 
    Environmental remediation liabilities1,704 1,719 
    Pension and postretirement obligations933985
    Operating lease liabilities557 605 
    Other1,722 1,609 
    Total$7,343 $7,311 

    NOTE 2 - REVENUE

    Revenue from customers is recognized when obligations under the terms of a contract with customers are satisfied; this generally occurs with the delivery of oil, NGL, gas or services, such as transportation.
    The following table shows a reconciliation of revenue from customers to total net sales for the three months ended March 31, 2026 and 2025:

    millions20262025
    Revenue from customers$5,569 $5,813 
    All other revenues (a)
    (339)(109)
    Net sales$5,230 $5,704 
    (a)    Includes other net revenues from the midstream and marketing segment.
    9



    DISAGGREGATION OF REVENUE FROM CONTRACTS WITH CUSTOMERS
    The table below presents the Company's revenue from customers by segment, product and geographical area. The oil and gas segment typically sells its oil, NGL and gas at the lease or concession area. Midstream and marketing segment revenues are shown by the location of sale:

    millionsUnited StatesInternationalEliminationsTotal
    Three Months Ended March 31, 2026
    Oil and gas
    Oil$3,873 $650 $— $4,523 
    NGL444 74 — 518 
    Gas164 83 — 247 
    Other24 2 — 26 
    Segment total$4,505 $809 $— $5,314 
    Midstream and marketing$121 $276 $— $397 
    Eliminations$— $— $(142)$(142)
    Consolidated$4,626 $1,085 $(142)$5,569 
    millionsUnited StatesInternationalEliminationsTotal
    Three Months Ended March 31, 2025
    Oil and gas
    Oil$3,830 $675 $— $4,505 
    NGL578 96 — 674 
    Gas381 84 — 465 
    Other38 1 — 39 
    Segment total$4,827 $856 $— $5,683 
    Midstream and marketing$144 $138 $282 
    Eliminations$— $— $(152)$(152)
    Consolidated$4,971 $994 $(152)$5,813 
    10


    NOTE 3 - LONG-TERM DEBT

    As of March 31, 2026 and December 31, 2025, the Company's debt consisted of the following:

    millions20262025
    Two-year term loan due 2026 (5.475% as of December 31, 2025)
    — 1,280 
    3.200% senior notes due 2026
    — 182 
    7.500% debentures due 2026
    — 112 
    8.500% senior notes due 2027
    — 489 
    3.000% senior notes due 2027
    — 216 
    7.125% debentures due 2027
    — 150 
    7.000% debentures due 2027
    48 48 
    5.000% senior notes due 2027
    — 600 
    6.625% debentures due 2028
    14 14 
    7.150% debentures due 2028
    — 232 
    7.200% senior debentures due 2028
    — 82 
    6.375% senior notes due 2028
    — 578 
    7.200% debentures due 2029
    135 135 
    7.950% debentures due 2029
    102 116 
    8.450% senior notes due 2029
    116 116 
    3.500% senior notes due 2029
    — 286 
    5.200% senior notes due 2029
    — 1,200 
    Variable rate bonds due 203068 68 
    8.875% senior notes due 2030
    1,000 1,000 
    6.625% senior notes due 2030
    1,068 1,449 
    6.125% senior notes due 2031
    298 1,143 
    7.500% senior notes due 2031
    900 900 
    7.875% senior notes due 2031
    500 500 
    5.375% senior notes due 2032
    1,000 1,000 
    5.550% senior notes due 2034
    1,200 1,200 
    6.450% senior notes due 2036
    1,727 1,727 
    Zero Coupon senior notes due 2036263 285 
    0.000% loan due 2039 (CAD denominated)
    16 17 
    4.300% senior notes due 2039
    247 247 
    7.950% senior notes due 2039
    325 325 
    6.200% senior notes due 2040
    737 737 
    4.500% senior notes due 2044
    191 191 
    4.625% senior notes due 2045
    296 296 
    6.600% senior notes due 2046
    1,117 1,117 
    4.400% senior notes due 2046
    424 424 
    4.100% senior notes due 2047
    258 258 
    4.200% senior notes due 2048
    304 304 
    4.400% senior notes due 2049
    280 280 
    6.050% senior notes due 2054
    1,000 1,000 
    7.730% debentures due 2096
    58 58 
    7.500% debentures due 2096
    60 60 
    7.250% debentures due 2096
    5 5 
    Total borrowings at face value$13,757 $20,427 
    11


    As of March 31, 2026 and December 31, 2025, the following table summarizes the Company's outstanding debt, including finance lease liabilities:

    millions20262025
    Total borrowings at face value$13,757 $20,427 
    Adjustments to book value:
    Unamortized premium, net1,012 1,054 
    Debt issuance costs(62)(84)
    Net book value of debt$14,707 $21,397 
    Long-term finance leases764 801 
    Current finance leases200 198 
    Total debt and finance leases$15,671 $22,396 
    Less: current finance leases(200)(198)
    Less: current maturities of long-term debt(224)(1,575)
    Long-term debt, net$15,247 $20,623 

    DEBT REDUCTION ACTIVITY
    The Company utilized proceeds from the OxyChem Transaction to repay debt of $6.7 billion, which resulted in a loss on extinguishment of $237 million. The following table summarizes the Company's debt extinguishment in the three months ended March 31, 2026:
    millionsBorrowings at face value
    Total borrowings at face value as of December 31, 2025$20,427 
    Repayments
    Two-year term loan due 2026
    (1,280)
    3.200% senior notes due 2026
    (182)
    7.500% debentures due 2026
    (112)
    3.000% senior notes due 2027
    (216)
    5.000% senior notes due 2027
    (600)
    7.125% debentures due 2027
    (150)
    8.500% senior notes due 2027
    (489)
    6.375% senior notes due 2028
    (578)
    7.150% debentures due 2028
    (232)
    7.200% senior debentures due 2028
    (82)
    3.500% senior notes due 2029
    (286)
    5.200% senior notes due 2029
    (1,200)
    7.950% debentures due 2029
    (14)
    6.625% senior notes due 2030
    (381)
    6.125% senior notes due 2031
    (845)
    Zero Coupon senior notes due 2036(22)
    0.000% loan due 2039 (CAD denominated)
    (1)
    Total repayments$(6,670)
    Total borrowings at face value as of March 31, 2026$13,757 

    Subsequent to March 31, 2026, but before the date of this filing, the Company repaid an additional $0.4 billion of long-term debt.
    12


    FAIR VALUE OF DEBT
    The estimated fair value of the Company's principal debt as of March 31, 2026 and December 31, 2025, the majority of which was classified as Level 1, was $13.9 billion and $20.8 billion, respectively.

    NOTE 4 - ACQUISITIONS, DIVESTITURES AND OTHER TRANSACTIONS

    ACQUISITIONS AND DIVESTITURES
    During the first quarter of 2026, the Company entered into an agreement to divest non-core proved and unproved royalty and mineral interests as well as certain processing plants in the Permian Basin. The Company recorded a $186 million loss primarily attributable to the processing plants. The transaction closed in the second quarter of 2026.

    DISCONTINUED OPERATIONS
    In October 2025, the Company announced a purchase and sale agreement with Berkshire Hathaway to sell all of the issued and outstanding equity interests in OxyChem in an all-cash transaction for an adjusted purchase price of $9.5 billion, subject to additional post-closing adjustments. The sale was completed on January 2, 2026, resulting in a gain of $3.1 billion, net of taxes. The OxyChem Transaction marks a strategic change in the Company's operations. For information related to the presentation of financials for discontinued operations, see Note 1 - General. Refer to Note 3 Long-Term Debt for the Company's use of the after-tax sale proceeds.
    The following table summarizes the components of the purchase price:

    in millionsTotal
    Cash purchase price$9,700 
    Closing Adjustments
    Working capital adjustment(158)
    Post-close adjustments(40)
    Total Cash Purchase Price$9,502 
    13



    The following table presents the amounts reported in discontinued operations, net of income taxes, for the three months ended March 31:

    millions20262025
    Revenues and other income
    Net Sales$26 $1,099 
    Interest, dividends and other income— 6 
    Gains on sales of assets and others, net4,072 — 
    Total revenues and other income4,098 1,105 
    Costs and other deductions
    Chemical cost of sales23 762 
    General and administrative expense4 26 
    Other operating and non-operating expense28 66 
    Depreciation, depletion and amortization— 113 
    Acquisition-related costs— — 
    Other expense, net— 8 
    Total costs and other deductions55 975 
    Income before income taxes and other items4,043 130 
    Income from equity investments and other1 25 
    Income before income taxes 4,044 155 
    Income tax expense(921)(40)
    Income from discontinued operations, net of tax$3,123 $115 

    NOTE 5 - DERIVATIVES

    OBJECTIVE AND STRATEGY
    The Company uses a variety of derivative financial instruments and physical contracts to manage its exposure to commodity price fluctuations and transportation commitments and to fix margins on the future sale of stored commodity volumes. Derivatives are carried at fair value and on a net basis when a legal right of offset exists with the same counterparty. The Company may occasionally use a variety of derivative financial instruments to manage its exposure to foreign currency fluctuations and interest rate risks. The Company also enters into derivative financial instruments for trading purposes.
    The Company may elect normal purchases and normal sales exclusions when physically delivered commodities are purchased from a vendor or sold to a customer.

    CRUDE COLLARS
    In February 2026, the Company entered into crude two-way collar derivative instruments beginning in March for the remainder of 2026 to manage its near-term exposure to cash flow variability from crude oil price risk. A two-way collar is a combination of a sold call and a purchased put. The sold call establishes a ceiling price and the purchased put establishes a floor price that the Company will receive for the contracted commodity volume for a defined period of time. Gains and losses associated with changes in the fair value of the collars are recognized in net sales. The collars have a notional volume of 100 Mbbl per day, a floor WTI price of $55.00 per barrel and a weighted average ceiling WTI price of $75.89 per barrel.

    14


    MARKETING DERIVATIVES
    The Company's marketing derivative instruments are short-duration physical and financial forward contracts. As of March 31, 2026, the weighted-average settlement price of these forward contracts was $85.51 per barrel and $2.09 per Mcf for crude oil and natural gas, respectively. The weighted-average settlement price was $59.59 per barrel and $2.53 per Mcf for crude oil and natural gas, respectively, as of December 31, 2025. Derivative instruments that are not designated as hedging instruments are required to be recorded on the balance sheet at fair value. Changes in fair value will impact the Company's earnings through mark-to-market adjustments until the physical commodity is delivered or the financial instrument is settled. Net gains and losses associated with marketing derivative instruments are recognized currently in net sales.
    The following table summarizes net short volumes associated with the outstanding marketing commodity derivatives as of:

    long (short)March 31, 2026December 31, 2025
     Oil commodity contracts
    Volume (MMbbl)(54)(59)
    Natural gas commodity contracts
    Volume (Bcf)(294)(189)

    FAIR VALUE OF DERIVATIVES
    The following tables present the fair values of the Company's outstanding derivatives. Fair values are presented at gross amounts below, including when the derivatives are subject to netting arrangements, and are presented on a net basis in the Consolidated Condensed Balance Sheets:

    millionsFair Value Measurements Using
    Netting (a)
    Total Fair Value
    Balance Sheet ClassificationsLevel 1Level 2Level 3
    March 31, 2026
    Marketing Derivatives
    Other current assets$3,915 $436 $— $(4,167)$184 
    Accrued liabilities(4,225)(299)— 4,167 (357)
    Crude Collars
    Accrued liabilities(292)— — — (292)
    December 31, 2025
    Marketing Derivatives
    Other current assets$345 $51 $— $(328)$68 
    Accrued liabilities(336)(24)— 328 (32)
    (a)These amounts do not include collateral. The Company netted $310 million of collateral deposited with brokers against derivative liabilities as of March 31, 2026. As of December 31, 2025, the Company netted $29 million of collateral received from brokers against derivative assets and $23 million collateral deposited with brokers against derivative liabilities.
    15



    GAINS AND LOSSES ON DERIVATIVES
    The following table presents gains and losses related to the Company's derivative instruments and the location on the Consolidated Condensed Statements of Operations.

    millionsThree months ended March 31,
    Income Statement Classification20262025
    Marketing derivatives (included in net sales)$2 $(107)
    Crude collars (included in net sales)$(339)$— 

    CREDIT RISK
    The majority of the Company's credit risk is related to the physical delivery of energy commodities to its counterparties and their potential inability to meet their settlement commitments. The Company manages credit risk by selecting counterparties that it believes to be financially strong, by entering into netting arrangements with counterparties and by requiring collateral or other credit risk mitigants, as appropriate. The Company actively evaluates the creditworthiness of its counterparties, assigns appropriate credit limits and monitors credit exposures against those assigned limits. The Company also enters into futures contracts through regulated exchanges with select clearinghouses and brokers, which are subject to minimal credit risk, if any.

    NOTE 6 - INCOME TAXES

    The following table summarizes components of income tax expense:

    Three months ended March 31,
    millions20262025
    Income before income taxes$390$1,177
    Current
    Federal10(330)
    State and Local2(13)
    Foreign(116)(129)
    Total current tax expense$(104)$(472)
    Deferred
    Federal(28)139
    State and Local(3)4
    Foreign(19)(18)
    Total deferred tax benefit (expense)$(50)$125
    Total income tax expense
    Federal(18)(191)
    State and Local(1)(9)
    Foreign(135)(147)
    Total income tax expense$(154)$(347)
    Income from continuing operations$236$830
    Worldwide effective tax rate39 %29%

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    The worldwide effective tax rates for the periods presented in the table above were primarily driven by the Company's jurisdictional mix of income from continuing operations. U.S. income is taxed at a U.S. federal statutory rate of 21%, while international income is subject to tax at statutory rates as high as 55%. The reclassification of OxyChem, which primarily consists of domestic operations, to discontinued operations increased the Company's effective tax rate from continuing operations. The effective tax rate for discontinued operations was 23% and 26% for the three months ended March 31, 2026 and 2025, respectively.


    NOTE 7 - ENVIRONMENTAL LIABILITIES AND EXPENDITURES

    The Company and its subsidiaries and their respective operations are subject to stringent federal, regional, state, provincial, tribal, local and international laws and regulations related to improving or maintaining environmental quality. The laws that require or address environmental remediation, including CERCLA and similar federal, regional, state, provincial, tribal, local and international laws, may apply retroactively and regardless of fault, the legality of the original activities or the current ownership or control of sites. The Company or certain of its subsidiaries participate in or actively monitor a range of remedial activities and government or private proceedings under these laws with respect to alleged past practices at Third-Party, Currently Operated, and Closed or Non-Operated Sites, in addition to NPL Sites. Remedial activities may include one or more of the following: investigation involving sampling, modeling, risk assessment or monitoring; clean-up measures including removal, treatment or disposal; or operation and maintenance of remedial systems. The environmental proceedings seek funding or performance of remediation and, in some cases, compensation for alleged property damage, natural resource damages, punitive damages, civil penalties, injunctive relief and government oversight costs.
    As discussed in Note 1 - General, certain Occidental subsidiaries remain responsible for environmental remediation at legacy sites and the indemnification of legacy environmental liabilities and pre-closing liabilities of OxyChem, which were not classified as held for sale. Expenses related to OxyChem and the retained liabilities and indemnification obligations associated with the chemical business are reported as discontinued operations for all periods presented, reflecting the OxyChem Transaction.

    ENVIRONMENTAL REMEDIATION
    As of March 31, 2026, the Company participated in or monitored remedial activities or proceedings at 151 sites. The following table presents the current and non-current environmental remediation liabilities of the Company separated by those related to ongoing operations and discontinued operations as of March 31, 2026 and December 31, 2025.
    millions as of March 31, 2026as of December 31, 2025
    Ongoing OperationsDiscontinued
    Operations
    TotalOngoing OperationsDiscontinued OperationsTotal
    Current Portion:
    Accrued liabilities$55 $96 $151 $55 $96 $151 
    Non-Current Portion:
    Deferred credit and other liabilities137 1,567 1,704 141 1,578 1,719 
    Total current and non-current$192 $1,663 $1,855 $196 $1,674 $1,870 

    The estimates of environmental remediation liabilities in the table above vary over time depending on factors such as acquisitions or divestitures, identification of additional sites, remedy selection and implementation and changes in applicable laws or regulations, among other factors. Environmental remediation expenses primarily relate to existing conditions from alleged past practices.
    Environmental remediation sites for ongoing operations and discontinued operations are grouped into NPL Sites and the following three categories of non-NPL Sites — Third-Party Sites, Currently Operated Sites and Closed or Non-operated Sites — as of March 31, 2026.

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    March 31, 2026
    millions, except number of sitesNumber of SitesRemediation Balance
    NPL Sites29 $1,372 
    Third-Party Sites68 239 
    Currently Operated Sites4 23 
    Closed or Non-operated Sites50 221 
    Total151 $1,855 

    As of March 31, 2026, environmental remediation liabilities of Occidental subsidiaries exceeded $10 million each at 16 of the 151 sites described above, and 86 of the sites had liabilities less than $1 million each. Based on current estimates, the Company expects its subsidiaries to expend funds corresponding to approximately 30% of the year-end remediation balance over the next three to four years with the remainder over the subsequent 10 or more years.
    The Company believes the range of reasonably possible additional losses of its subsidiaries beyond those amounts currently recorded for environmental remediation for the 151 environmental sites in the table above could be up to $1.9 billion. The status of the Company's involvement with the sites and related significant assumptions have not changed materially since December 31, 2025.

    DIAMOND ALKALI SUPERFUND SITE
    The EPA has organized the DASS into four OUs for evaluating, selecting and implementing remediation under CERCLA. Current activities in each OU are summarized below, many of which are performed by Glenn Springs Holdings, Inc.
    OU1 – 80 and 120 Lister Avenue in Newark, New Jersey: An Occidental subsidiary currently performs maintenance and monitoring for the interim remedy of OU1 pursuant to a 1990 Consent Decree for which such subsidiary inherited legal responsibility. In January 2025, the EPA issued a ROD for the final remedy of OU1 that provides for optimized containment for which it estimated a cost of $16 million.
    OU2 – The Lower 8.3 Miles of the Lower Passaic River: In March 2016, the EPA issued a ROD specifying remedial actions required for OU2. During the third quarter of 2016, the EPA and an Occidental subsidiary entered into an AOC to complete the design of the remedy selected in the ROD. In May 2024, the EPA approved the remedial design for OU2. In June 2024, the EPA notified the subsidiary that the work required by the AOC has been fully performed in accordance with its terms. The EPA has estimated the cost to remediate OU2 to be approximately $1.4 billion.
    OU3 – Newark Bay Study Area, including Newark Bay and portions of the Hackensack River, Arthur Kill, and Kill van Kull: A remedial investigation and feasibility study of OU3 was launched pursuant to a 2004 AOC which was amended in 2010. An Occidental subsidiary is currently performing feasibility study activities in OU3.
    OU4 – The 17-mile Lower Passaic River Study Area, comprising OU2 and the Upper 9 Miles of the Lower Passaic River: In September 2021, the EPA issued a ROD selecting an interim remedy for the portion of OU4 that excludes OU2 and is located upstream from the Lister Avenue Plant site for which an Occidental subsidiary inherited legal responsibility. In March 2023, the EPA issued a Unilateral Administrative Order in which it directed and ordered such subsidiary to design the EPA's selected interim remedy for OU4. The EPA has estimated the cost to remediate OU4 to be approximately $440 million.
    Natural Resource Trustees – In addition to the activities described above, federal and state natural resource trustees are assessing natural resources in the Lower Passaic River and Greater Newark Bay to evaluate potential claims for natural resource damages.

    Legal matters related to the DASS (Alden Leeds)
    In December 2022, the EPA and the DOJ filed a proposed Consent Decree in the Alden Leeds litigation, seeking court approval to settle with 85 parties for a total of $150 million for cleanup costs associated with OU2 and OU4. In January 2024, the DOJ filed a proposed Amended Consent Decree that excluded three companies from the original settlement, among other changes, and subsequently filed a motion to approve the Amended Consent Decree. In December 2024, the U.S. District Court for the District of New Jersey (District Court) approved the Amended Consent Decree. In its order approving the Amended Consent Decree, the District Court accepted the EPA's revised determination that the Company was responsible for approximately 85% of the cleanup costs for OU2 and OU4. The Company filed an appeal against the District Court's ruling on the grounds that the decision was flawed for several reasons, including the failure to consider the impact of recent Supreme Court decisions that restrict EPA authority and limit judicial deference to EPA actions. The Notice of Appeal was filed in February 2025, and all briefs have been filed as of January 2026.
    As a result of the District Court's approval of the Amended Consent Decree, the non-current environmental remediation liability related to OU2 and OU4 was increased by $925 million in the fourth quarter of 2024. This charge was included in asset impairments and other charges in the Company's Consolidated Statements of Operations and represented the additional share of the total estimated remediation costs which may be incurred because of the assignment by the District
    18


    Court of 85% of the responsibility for OU2 and OU4. These costs have not been discounted as the timing and amount of the payments are not fixed or reliably determinable. It is expected that the cash outlay for remediation costs will be expended over ten to twenty years, or more.
    The Alden Leeds settlement does not address the liability of entities that were excluded from the settlement, including for OU2, OU3, OU4 or natural resource damages, or the liability of any settling party with respect to OU3 or natural resource damages.
    While the remedies for OU2 and OU4 are expected to take ten to twenty years to complete, the EPA may seek to require the Company to perform a substantial majority or all of the remediation work and provide additional financial assurance. It is uncertain when or to what extent the EPA may take action to compel further remediation in OU2 or OU4, or the amount of financial assurance that could be required.
    In June 2018, the Company filed a complaint under CERCLA in the District Court against numerous potentially responsible parties seeking contribution and cost recovery of amounts incurred or to be incurred to comply with the AOC and the OU2 ROD, or to perform other remediation activities related to the DASS (2018 Contribution Action). Because costs are being incurred to implement the OU4 Unilateral Administrative Order, a cost recovery action under CERCLA was brought in March 2023 in the District Court against multiple parties (2023 Cost Recovery Action). Both the 2018 Contribution Action and the 2023 Cost Recovery Action were stayed pending the outcome of the Alden Leeds litigation. The Company does not know when the Court will lift the stay in those matters. If not reversed on appeal, the approved Amended Consent Decree could bar the Company from pursuing contribution against the settling parties for remediation costs incurred or that may be incurred in the future to design and implement the remedies in OU2 and OU4, including claims asserted in the 2018 Contribution Action.

    Other information
    For the DASS, a reserve has been accrued relating to the estimated allocable share of the costs to perform the maintenance and monitoring required in the OU1 Consent Decree, as well as the remedial investigation and feasibility study required in OU3 (Newark Bay). Subject to and without waiver of any rights, including appeal, a reserve has also been accrued for design and implementation of remedies selected in the OU2 ROD and AOC, and the OU4 ROD and OU4 Unilateral Administrative Order, based on the December 2024 Order of the District Court approving the Amended Consent Decree described above, which Order is currently being appealed.
    The accrued environmental remediation reserve does not account for the possibility of additional remediation costs or natural resource damages for the DASS that are not considered reasonably estimable. The ultimate liability at the DASS may be greater or less than both the reserved amount and any reasonably possible additional losses, and will depend on final design plans, future actions by the EPA and natural resource trustees, as well as the resolution of the allocable share with other potentially responsible parties, among other factors.
    The estimated costs currently recorded for remediation at the DASS and the range of reasonably possible additional losses beyond the amounts currently recognized are evaluated periodically. Due to the complexity and scope of the remediation efforts, the estimated costs may fluctuate over time as new information becomes available.

    NOTE 8 - LAWSUITS, CLAIMS, COMMITMENTS AND CONTINGENCIES

    LEGAL MATTERS
    The Company is involved, in the normal course of business, in lawsuits, claims and other legal proceedings that seek, among other things, compensation for alleged personal injury, breach of contract, property damage or other losses, punitive damages, civil penalties, or injunctive or declaratory relief. The Company also is involved in proceedings under CERCLA and similar federal, regional, state, provincial, tribal, local and international environmental laws. These environmental proceedings seek funding or performance of remediation and, in some cases, compensation for alleged property damage, natural resource damages, punitive damages, civil penalties, injunctive relief and government oversight costs. Usually the Company is among many companies in these environmental proceedings and has to date been successful in sharing remediation costs with other financially sound companies. Further, some lawsuits, claims and legal proceedings involve acquired or divested assets with respect to which a third party or the Company retains liability or indemnifies the other party for conditions that existed prior to the transaction.
    In accordance with applicable accounting guidance, the Company accrues contingency reserves for outstanding lawsuits, claims and proceedings when it is probable that a liability has been incurred and the liability can be reasonably estimated. Contingency reserves for matters, other than for tax matters discussed below and environmental matters discussed in Note 7 – Environmental Liabilities and Expenditures, that satisfy these criteria as of March 31, 2026 were not material to the Company's Consolidated Condensed Balance Sheets.
    If unfavorable outcomes of these matters were to occur, future results of operations or cash flows for any particular quarterly or annual period could be materially adversely affected. The Company's estimates are based on information known
    19


    about the legal matters and its experience in contesting, litigating and settling similar matters. The Company will reassess the probability and estimability of contingent losses as new information becomes available.

    TAX MATTERS AND DISPUTES
    During the course of its operations, the Company is subject to audit by tax authorities for varying periods in various federal, state, local and international tax jurisdictions. Tax years through 2021 for U.S. federal income tax purposes have been audited by the IRS pursuant to its Compliance Assurance Program and subsequent taxable years are currently under review. Tax years through 2018 have been audited for state income tax purposes. There are no outstanding significant audit matters in international jurisdictions. During the course of tax audits, disputes have arisen and other disputes may arise as to facts and matters of law.
    The IRS is currently reviewing the legal entity reorganization transaction as part of the Company’s 2022 federal tax audit. Following the acquisition of Anadarko and related divestitures, the Company reorganized its legal entities to better align with the nature of its business activities. This reorganization resulted in the Company making an adjustment to the tax basis in a portion of its operating assets, reducing deferred tax liabilities and recording a $2.7 billion tax benefit in 2022.
    For Anadarko, its taxable years through 2014 and tax year 2016 for U.S. federal tax purposes have been audited and closed by the IRS. Tax years 2015 and 2017 through 2019 have been audited by the IRS but remain open pending the outcome of the Tronox U.S. Tax Court litigation discussed below. Tax years through 2018 have been audited for state income tax purposes. There are no outstanding significant audit matters in international jurisdictions. As stated above, during the course of tax audits, disputes have arisen and other disputes may arise as to facts and matters of law.
    Other than the dispute discussed below, the Company believes that the resolution of these outstanding tax disputes would not have a material adverse effect on its consolidated financial position or results of operations.
    Anadarko received an $881 million tentative refund in 2016 related to its $5.2 billion Tronox Adversary Proceeding settlement payment in 2015. In September 2018, Anadarko received a statutory notice of deficiency from the IRS disallowing the net operating loss carryback and rejecting Anadarko's refund claim. Anadarko disagreed and, in November 2018, filed a petition with the U.S. Tax Court to dispute the disallowance. Trial was held in May 2023. The parties filed post-trial briefs throughout 2023 and 2024. Closing arguments were held in May 2024. The Tax Court may issue an opinion at any time. If the Tax Court opines that all or a portion of the original $5.2 billion deduction is not deductible, a computation phase will commence where the parties will compute the tax amount to be included in the Tax Court's decision. Once the parties submit their computation, the Tax Court will formally enter the decision reflecting the computed tax amount. To pursue an appeal of the Tax Court's decision, any tax due as a result of the Tax Court's decision must be fully bonded or paid within 90 days of the decision's entry. If Anadarko does not pursue an appeal, the IRS will assess any resulting tax deficiency, including interest, and issue a notice demanding payment thereof.
    In accordance with ASC 740's guidance on the accounting for uncertain tax positions, the Company has recorded no tax benefit on the tentative cash tax refund of $881 million. Additionally, the Company has recorded no tax benefit on approximately $500 million of additional cash tax benefits realized from the utilization of tax attributes generated as a result of the deduction of the $5.2 billion Tronox Adversary Proceeding settlement payment in 2015. If the payment is ultimately determined not to be deductible, the Company would be required to repay the tentative refund received, plus other cash benefits received related to the $5.2 billion deduction, plus interest, which as of March 31, 2026 totaled approximately $2.3 billion. As a result, should the Company not ultimately prevail on the issue, there would be no additional tax expense recorded relative to this position for financial statement purposes other than future interest. However, in that event, as of March 31, 2026, the Company would be required to repay approximately $1.4 billion in federal and state taxes and accrued interest of $997 million. A liability for the taxes and interest is included in other liabilities.

    INDEMNITIES TO THIRD PARTIES
    The Company has indemnified various parties against specified liabilities those parties might incur in the future in connection with purchases and other transactions that they have entered into with the Company. These indemnities usually are contingent upon the other party incurring liabilities that reach specified thresholds. The Company reserves for indemnity claims when a payment for such claims is probable and estimable. As discussed in Note 1 - General, Berkshire Hathaway has post-closing indemnification rights in connection with the OxyChem Transaction.

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    NOTE 9 - EARNINGS PER SHARE AND EQUITY

    The following table presents the calculation of basic and diluted EPS attributable to common stockholders:
    Three months ended March 31,
    millions except per-share amounts20262025
    Income from continuing operations $236 $830 
    Discontinued operations, net of taxes3,123 115 
    Net income$3,359 $945 
    Less: Income attributable to noncontrolling interest(14)(9)
    Less: Preferred stock dividends(170)(170)
    Net income attributable to common stock$3,175 $766 
    Less: Net income allocated to participating securities(20)(5)
    Net income, net of participating securities$3,155 $761 
    Weighted-average number of basic shares989.8941.3
    Basic income per common share$3.19 $0.81 
    Net income attributable to common stock$3,175 $766 
    Less: Net income allocated to participating securities(19)(5)
    Net income, net of participating securities$3,156 $761 
    Weighted-average number of basic shares989.8 941.3 
    Dilutive securities17.1 41.6 
    Dilutive effect of potentially dilutive securities1,006.9 982.9 
    Diluted income per common share$3.13 $0.77 
    Anti-dilutive securities excluded from diluted shares (millions)83.9 83.9 

    The following table presents Occidental's common share activity, including exercises of warrants, and other transactions in Occidental's common stock in 2026:

    Period
    Exercise of Warrants (a)
    Other (b)
    Treasury Stock Purchases (c)
    Common Stock Outstanding
    December 31, 2025986,026,416 
    First Quarter 20263,609,243 2,939,668 (1,382,767)991,192,560 
    Total3,609,243 2,939,668 (1,382,767)991,192,560 
    (a) $79 million of cash was received in the first three months of 2026 from the exercise of common stock warrants.
    (b) Includes issuances under the 2015 long-term incentive plan and the OPC savings plan.
    (c) Includes purchases from the trustee of Occidental's defined contribution savings plan that are not part of publicly announced plans or programs.

    As of March 31, 2026, Occidental had 26.8 million Common Stock Warrants with a strike of $22.00 per share and 83.9 million Berkshire Warrants held by Berkshire Hathaway with a strike of $59.59 per share.
    On March 3, 2025, Occidental announced an offer to exercise its Common Stock Warrants, each exercisable at $22.00, at a temporarily reduced price of $21.30 per share with an expiration date of March 31, 2025. In April 2025, Occidental issued 41.9 million shares of stock in return for proceeds of approximately $890 million. The incremental fair value of the Common Stock Warrants related to the change in exercise price was recognized as an equity issuance cost. The proceeds from the warrant exercise were used to repay near-term debt maturities (See Note 3 - Long-Term Debt).

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    NOTE 10 - SEGMENTS

    The Company conducts its operations through two segments: oil and gas and midstream and marketing. Income taxes, interest income, interest expense, environmental remediation expenses and unallocated corporate expenses are included under corporate and eliminations. Intersegment sales eliminate upon consolidation and are made at prices that approximate market. Identifiable assets are those assets used in the operations of the segments. Corporate assets consist of cash and restricted cash, certain corporate receivables and PP&E.
    As a result of the OxyChem Transaction, the chemical segment results are presented separately as discontinued operations and corporate costs directly attributable to the chemical segment are included under discontinued operations. See Note 1 - General for related disclosure.
    Occidental's President and CEO is ultimately responsible for allocating resources and assessing the performance of each operating segment and is the Chief Operating Decision Maker. The CEO may be assisted in this function by other members of Occidental's executive management including, but not limited to, the Chief Financial Officer and Chief Operating Officer. While other executives are responsible for the performance of their individual areas, the CEO is solely responsible for allocating resources across the Company as a whole.
    For both reporting segments, segment income (loss) from continuing operations before income taxes is used to measure performance, as well as allocate resources (including financial or capital resources) for each segment, predominantly in the annual budget and forecasting process.
    The following table reconciles segment income from continuing operations before taxes to net income attributable to common shares:

    Three months ended March 31,
    millions 20262025
    Segment income (losses) from continuing operations before taxes  
    Oil and gas segment$1,017 $1,697 
    Midstream and marketing segment(87)(72)
    Corporate and eliminations(108)(138)
    Interest and debt expense, net(432)(310)
    Income from continuing operations before income taxes$390 $1,177 
    Income tax expense
    (154)(347)
    Income from continuing operations
    $236 $830 
    Discontinued operations, net of tax3,123 115 
    Net income$3,359 $945 
    Less: Net income attributable to noncontrolling interest(14)(9)
    Less: Preferred stock dividends (170)(170)
    Net income attributable to common stockholders$3,175 $766 
    The following tables include a summary of significant revenue and expense line items for each segment. Items within "Significant segment expenses" align with the significant segment-level information that is regularly provided to the Chief Operating Decision Maker.

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    OIL AND GAS SEGMENT

    Three months ended March 31,
    millions 20262025
    Revenues and other income  
    Net sales (a)
    $4,975 $5,683 
    Losses on sale of assets and other, net(29)(6)
    Total$4,946 $5,677 
    Significant segment expenses
    Oil and gas lease operating expense1,118 1,217 
    Transportation and gathering expense391 407 
    Other operating and non-operating expense273 244 
    Taxes other than on income252 260 
    Depreciation, depletion and amortization1,690 1,702 
    Other segment expenses (b)
    203 150 
    Total$3,927 $3,980 
    Segment income before other items$1,019 $1,697 
    Losses from equity investments and other(2)— 
    Segment income from continuing operations before taxes$1,017 $1,697 
    (a) Includes revenue from customers and all other revenues.
    (b) Includes general and administrative expense and exploration expense.

    MIDSTREAM AND MARKETING SEGMENT

    Three months ended March 31,
    millions 20262025
    Revenues and other income  
    Net sales (a)
    $397 $173 
    Gains (losses) on sale of assets and other income, net(149)27 
    Total$248 $200 
    Significant segment expenses
    Transportation and gathering expense184 203 
    Other operating and non-operating expense79 81 
    Depreciation, depletion and amortization71 73 
    Asset impairments and other charges105 — 
    Other segment expenses (b)
    34 29 
    Total$473 $386 
    Segment losses before other items$(225)$(186)
    Income from equity investments and other
    138 114 
    Segment losses from continuing operations before taxes$(87)$(72)
    (a) Includes revenue from customers and all other revenues.
    (b) Includes taxes other than on income and general and administrative expense.

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    SEGMENT INVESTMENTS AND EXPENDITURES
    The following table includes segment-level PP&E additions for the three months ended March 31, 2026 and 2025:

    millionsOil and gasMidstream and marketingCorporate and eliminationsTotal
    March 31, 2026
    PP&E Additions$1,402 $192 $10 $1,604 
    March 31, 2025  
    PP&E Additions$1,568 $148 $8 $1,724 

    SEGMENT PROPERTY PLANT AND EQUIPMENT
    The following table includes segment-level balance sheet information:

    millionsOil and gasMidstream and marketingCorporate and eliminationsAssets held for saleTotal
    As of March 31, 2026
    Property Plant and Equipment, Gross$128,076 $8,824 $1,223 $— $138,123 
    Accumulated DD&A$(71,859)$(2,576)$(572)$— $(75,007)
    Property, Plant and Equipment, Net$56,217 $6,248 $651 $— $63,116 
    Investments in unconsolidated entities$137 $2,204 $— $— $2,341 
    Total Assets$60,412 $15,219 $4,833 $— $80,464 
    As of December 31, 2025
    Property Plant and Equipment, Gross$126,896 $9,638 $1,219 $— $137,753 
    Accumulated DD&A$(70,292)$(3,273)$(545)$— $(74,110)
    Property, Plant and Equipment, Net$56,604 $6,365 $674 $— $63,643 
    Investments in unconsolidated entities$129 $2,346 $— $— $2,475 
    Total Assets$60,393 $13,901 $3,372 $6,520 $84,186 
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    Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations
    The following discussion should be read together with the Consolidated Condensed Financial Statements and the notes to the Consolidated Condensed Financial Statements, which are included in this report in Part I, Item 1; the information set forth in Risk Factors under Part II, Item 1A; the Consolidated Financial Statements and the notes to the Consolidated Financial Statements, which are included in Part II, Item 8 of the 2025 Form 10-K; and the information set forth in Risk Factors under Part I, Item 1A of the 2025 Form 10-K.
    CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS
    Portions of this report contain forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. All statements other than statements of historical fact are "forward-looking statements" for purposes of federal and state securities laws, including, but not limited to: any projections of earnings, revenue or other financial items or future financial position or sources of financing; any statements of the plans, strategies and objectives of management for future operations or business strategy; any statements regarding future economic conditions or performance; any statements of belief; and any statements of assumptions underlying any of the foregoing. Words such as "estimate," "project," "predict," "will," "would," "should," "could," "may," "might," "anticipate," "plan," "intend," "believe," "expect," "aim," "goal," "target," "objective," "commit," "advance," "guidance," "priority," "focus," "assumption," "likely" or similar expressions that convey the prospective nature of events or outcomes are generally indicative of forward-looking statements. You should not place undue reliance on these forward-looking statements, which speak only as of the date of this report unless an earlier date is specified. Unless legally required, the Company does not undertake any obligation to update, modify or withdraw any forward-looking statement as a result of new information, future events or otherwise.
    Actual outcomes or results may differ from anticipated results, sometimes materially. Forward-looking and other statements regarding the Company's sustainability efforts and aspirations are not an indication that these statements are necessarily material to investors or require disclosure in the Company's filings with the SEC. In addition, historical, current and forward-looking sustainability-related statements may be based on standards for measuring progress that are still developing, internal controls and processes that continue to evolve and definitions, assumptions, data sources and estimates or measurements that are subject to change in the future, including through rulemaking or guidance. Factors that could cause results to differ from those projected or assumed in any forward-looking statement include, but are not limited to: general economic conditions, including slowdowns and recessions, domestically or internationally; the Company’s indebtedness and other payment obligations, including the need to generate sufficient cash flows to fund operations; the Company’s ability to successfully monetize select assets and repay or refinance debt and the impact of changes in the Company’s credit ratings or future increases in interest rates; assumptions about energy markets; global and local commodity and commodity-futures pricing fluctuations and volatility; supply and demand considerations for, and the prices of, the Company’s products and services; actions by OPEC and non-OPEC oil producing countries; results from operations and competitive conditions; future impairments of the Company’s proved and unproved oil and gas properties or equity investments, or write-downs of productive assets, causing charges to earnings; unexpected changes in costs; government actions (including the effects of announced or future tariff increases and other geopolitical, trade, tariff, fiscal and regulatory uncertainties), war (including the Russia-Ukraine war and conflicts in the Middle East) and political conditions and events (such as in Latin America); inflation, its impact on markets and economic activity and related monetary policy actions by governments in response to inflation; availability of capital resources, levels of capital expenditures and contractual obligations; the regulatory approval environment, including the Company’s ability to timely obtain or maintain permits or other government approvals, including those necessary for drilling and/or development projects; the Company’s ability to successfully complete, or any material delay of, field developments, expansion projects, capital expenditures, efficiency projects, acquisitions or divestitures; risks associated with acquisitions, mergers and joint ventures, such as difficulties integrating businesses, uncertainty associated with financial projections or projected synergies, restructuring, increased costs and adverse tax consequences; uncertainties and liabilities associated with acquired and divested properties and businesses, including retained liabilities and indemnification obligations associated with the chemical business; uncertainties about the estimated quantities of oil, NGL and natural gas reserves; lower-than-expected production from development projects or acquisitions; the Company’s ability to realize the anticipated benefits from prior or future streamlining actions to reduce fixed costs, simplify or improve processes and improve the Company’s competitiveness; exploration, drilling and other operational risks; disruptions to, capacity constraints in, or other limitations on the pipeline systems that deliver the Company’s oil and natural gas and other processing and transportation considerations; volatility in the securities, capital or credit markets, including capital market disruptions and instability of financial institutions; HSE risks, costs and liability under existing or future federal, regional, state, provincial, tribal, local and international HSE laws, regulations and litigation (including related to climate change or remedial actions or assessments); legislative or regulatory changes, including changes relating to hydraulic fracturing or other oil and natural gas operations, retroactive royalty or production tax regimes, and deep-water and onshore drilling and permitting regulations; the Company’s ability to recognize intended benefits from its business strategies and initiatives, such as the OxyChem Transaction, the Company’s low-carbon ventures businesses and announced GHG emissions reduction targets or net-zero goals; changes in government grant or loan programs; potential liability resulting from pending or future litigation, government investigations and other proceedings; disruption or interruption of production or facility damage due to accidents, chemical releases, labor unrest, weather, power outages, natural disasters, cyber-attacks, terrorist acts or insurgent activity; the scope and duration of global or regional health pandemics or epidemics and actions taken by government authorities and other third parties in connection therewith; the creditworthiness and performance of the Company’s counterparties, including financial institutions, operating partners and other parties; failure of risk management; the Company’s ability to retain and hire key personnel; supply, transportation and labor constraints; reorganization or restructuring of the Company’s operations; changes in state, federal or international tax rates, deductions, incentives or credits; and actions by third parties that are beyond the Company’s control.
    Additional information concerning these and other factors that may cause the Company's results of operations and financial position to differ from expectations can be found in the Company's other filings with the SEC, including the Company's 2025 Form 10-K, Quarterly Reports on Form 10-Q and Current Reports on Form 8-K.
    25


    CURRENT BUSINESS OUTLOOK

    The Company's financial results are significantly influenced by oil prices and, to a lesser extent, NGL and natural gas prices and commodity market differentials. The average WTI price per barrel for the three months ended March 31, 2026 was $71.93, compared to $59.14 for the three months ended December 31, 2025 and $71.42 for the three months ended March 31, 2025.
    Changes in oil prices could result in adjustments to the Company's capital investment levels and allocation, which may in turn impact production volumes. Oil prices are expected to remain volatile due to a number of factors, including heightened geopolitical risk, the evolving macroeconomic environment and its effects on global energy demand, future actions by OPEC and non-OPEC oil-producing nations, and ongoing shifts in U.S. trade policy.
    The ongoing conflict with Iran has significantly disrupted global crude oil and natural gas markets. Actions impacting commercial shipping through the Strait of Hormuz and regional energy infrastructure have resulted in the suspension of substantial supply and higher commodity prices. The duration and trajectory of the conflict remains uncertain, contributing to ongoing commodity price volatility.
    Recent U.S. trade policy actions, including the introduction of tariff replacement measures, could also have implications for Occidental's business operations and financial performance. While the Company has not experienced a material impact to date, tariffs or tariff replacement measures imposed on the Company's suppliers could increase costs over time, and broader macroeconomic effects of policy changes and uncertainty could affect demand for the Company's products and its realized prices.

    STRATEGIC PRIORITIES
    The Company is focused on delivering a unique shareholder value proposition with its portfolio of oil and gas and midstream and marketing assets, as well as its ongoing development of carbon management and sequestration solutions and GHG emissions reduction efforts. The Company conducts its operations with an emphasis on technical expertise, HSE, sustainability and social responsibility. In order to maximize shareholder returns, the Company will:

    ■Maintain production base to preserve asset base integrity and longevity;
    ■Deliver a sustainable and growing dividend;
    ■Prioritize excess cash flow for deleveraging until principal debt is approximately $10.0 billion, after which available cash will be allocated to further net debt reduction and/or opportunistic share repurchases; and
    ■Advance integrated technologies in CO2, power and midstream to enable differentiated resource recovery and value.

    OXYCHEM TRANSACTION
    The Company completed the sale of OxyChem on January 2, 2026 in an all-cash transaction for an adjusted purchase price of $9.5 billion, subject to additional post-closing adjustments, resulting in a gain of $3.1 billion, net of taxes. OxyChem's results of operations, cash flows and the related retained liabilities and indemnification obligations are reported as discontinued operations in the Company's Consolidated Statements of Operations and Cash Flows for all periods presented, with its assets and liabilities reclassified as held for sale in the Company's Consolidated Balance Sheets as of December 31, 2025. There are post-closing indemnification obligations for (i) such legacy environmental liabilities and (ii) pre-closing liabilities of OxyChem, including pre-closing environmental liabilities, in each case subject to certain limitations and procedures, and Occidental entered into a guaranty in favor of Berkshire Hathaway to guarantee these indemnification obligations.
    See Note 1 - General in the Notes to Consolidated Condensed Financial Statements in Part I, Item 1 of this Form 10-Q for additional information regarding the OxyChem Transaction.

    DEBT
    As of March 31, 2026, the Company's debt was rated Baa3 by Moody's Investors Service, BBB by Fitch Ratings and BB+ by Standard and Poor's. Any downgrade in credit ratings could impact the Company's ability to access capital markets and increase its cost of capital. In addition, Occidental or its subsidiaries may be requested, elect to provide or in some cases be required to provide collateral in the form of cash, letters of credit, surety bonds or other acceptable support as financial assurance of their performance and payment obligations under certain contractual arrangements, such as pipeline transportation contracts, oil and gas purchase contracts and certain derivative instruments; certain permits, including with respect to carbon capture, utilization and sequestration activities and environmental remediation matters.
    In the three months ended March 31, 2026, the Company used proceeds from the OxyChem Transaction to repay approximately $6.7 billion of debt. Subsequent to March 31, 2026, through the date of this filing, the Company repaid an additional $0.4 billion of debt. For information on the Company's debt activity, see Note 3 - Long-Term Debt in the Notes to Consolidated Condensed Financial Statements in Part I, Item 1 of this Form 10-Q for additional information.
    As of March 31, 2026, substantially all of the Company's outstanding debt was fixed rate.

    26


    CONSOLIDATED RESULTS OF OPERATIONS AND ITEMS AFFECTING COMPARABILITY

    The following table sets forth earnings of each operating segment and corporate items:

    Three months ended
    millionsMarch 31, 2026December 31, 2025March 31, 2025
    Net income
    Oil and gas (a)
    $1,017 $655 $1,697 
    Midstream and marketing (a)
    (87)204 (72)
    Total930 859 1,625 
    Unallocated Corporate Items (a)
    Interest expense, net(432)(232)(310)
    Income tax expense(154)(173)(347)
    Corporate and other items, net(108)(221)(138)
    Income from continuing operations$236 $233 830 
    Discontinued operations, net of taxes 3,123 (119)115 
    Net income$3,359 $114 945 
    Less: Net income attributable to noncontrolling interest(14)(12)(9)
    Less: Preferred stock dividends(170)(170)(170)
    Net income (loss) attributable to common stockholders$3,175 $(68)$766 
    Net income (loss) per share attributable to common stockholders - diluted$3.13 $(0.07)$0.77 
    (a)    Refer to the Items Affecting Comparability table which sets forth items affecting the Company's earnings that vary widely and unpredictably in nature, timing and amount.
    27


    ITEMS AFFECTING COMPARABILITY
    The following table sets forth items affecting the comparability of the Company's earnings that vary widely and unpredictably in nature, timing and amount:

    Three months ended
    millionsMarch 31, 2026December 31, 2025March 31, 2025
    Oil and gas
    Crude oil derivative losses$(339)$— $— 
    Losses on sales of assets and other, net(30)(47)— 
    Asset impairments and other charges, net— (6)— 
    Legal reserves and other— (40)— 
    Total oil and gas(369)(93)— 
    Midstream and marketing
    Derivative losses, net(409)(9)(84)
    Gains (losses) on sales of assets and other, net (a)
    (164)301 — 
    Asset impairments and other charges (a)
    (105)(325)— 
    Total midstream and marketing(678)(33)(84)
    Corporate
    Early debt extinguishment(237)20 — 
    Early retirement plan costs(15)(39)— 
    Acquisition-related costs and other— — (6)
    Total corporate(252)(19)(6)
    Income tax impact on items affecting comparability281 32 19 
    State tax rate revaluation— (10)— 
    Losses from continuing operations(1,018)(123)(71)
    Discontinued operations, net of taxes3,123 (260)(23)
    Total$2,105 $(383)$(94)
    (a)    Includes amounts from income from equity investments and other in the Consolidated Condensed Statements of Operations.

    Q1 2026 compared to Q4 2025
    Excluding the impact of items affecting comparability, net income for the three months ended March 31, 2026, compared to the three months ended December 31, 2025, increased due to higher realized crude oil prices in the oil and gas segment and higher crude margins due to the timing impact of crude sales and higher gas margins from transportation capacity optimizations in the midstream and marketing segment, partially offset by lower domestic crude oil sales volumes in the oil and gas segment.

    Q1 2026 compared to Q1 2025
    Excluding the impact of items affecting comparability, net income for the three months ended March 31, 2026, compared to the same period in 2025, reflected higher gas margins from transportation capacity optimization in the Permian, higher margins related to the timing impact of crude sales, lower long-haul crude transportation costs, and higher sulfur prices at Al Hosn in the midstream and marketing segment as well as lower interest expense due to the early redemption of long-term debt, partially offset by lower realized prices across all commodities in the oil and gas segment.

    SELECTED STATEMENTS OF OPERATIONS ITEMS

    Q1 2026 compared to Q4 2025
    Net sales of $5.2 billion increased for the three months ended March 31, 2026, compared to $5.1 billion for the three months ended December 31, 2025, primarily due to higher oil prices, partially offset by lower sales volumes in the oil and gas segment.
    28


    Gains (losses) on sales of assets and other, net were a loss of $202 million and a gain of $253 million for the three months ended March 31, 2026 and December 31, 2025, respectively. The loss on sale of assets and other net for the three months ended March 31, 2026 reflected a $186 million loss on the divestiture of non-core proved and unproved royalty and mineral interests and certain gas processing plants in the Permian Basin. The gain on sale of assets and other, net for the three months ended December 31, 2025 included a gain of $301 million from an ownership reduction in WES following an acquisition made by WES.
    Interest and debt expense, net increased to $432 million for the three months ended March 31, 2026, compared to $232 million for the three months ended December 31, 2025, primarily due to premiums paid on early debt extinguishment.
    Income from equity investments and other increased to $136 million for the three months ended March 31, 2026, compared to a loss of $179 million for the three months ended December 31, 2025, primarily due to the $401 million impairment loss on the investment in NET Power recorded during the three months ended December 31, 2025.
    Income from discontinued operations, net of taxes increased to $3.1 billion for the three months ended March 31, 2026, compared to a loss of $119 million for the three months ended December 31, 2025, primarily due to the gain on the OxyChem Transaction, which closed on January 2, 2026.

    Q1 2026 compared to Q1 2025
    Net sales of $5.2 billion decreased for the three months ended March 31, 2026, compared to $5.7 billion for the same period in 2025, primarily due to lower realized prices across all commodities and derivative losses on the crude oil collars in the oil and gas segment.
    Income from discontinued operations, net of taxes of $3.1 billion increased for the three months ended March 31, 2026, compared to $115 million for the same period in 2025, primarily due to the gain on the OxyChem Transaction.

    29


    SEGMENT RESULTS OF OPERATIONS

    SEGMENT RESULTS OF OPERATIONS
    The Company's principal businesses consist of two reporting segments: oil and gas and midstream and marketing. The oil and gas segment explores for, develops and produces oil and condensate, NGL and natural gas. The midstream and marketing segment purchases, markets, gathers, processes, transports and stores oil (which includes condensate), NGL, natural gas, CO2 and power. It also optimizes its transportation and storage capacity and invests in entities that conduct similar activities such as WES. The midstream and marketing segment also includes the Company's low-carbon ventures businesses.

    OIL AND GAS SEGMENT
    The following table sets forth the average sales volumes per day for oil and NGL in Mbbl and for natural gas in MMcf:

    Three months ended
    March 31, 2026December 31, 2025March 31, 2025
    Sales Volumes per Day
    Oil (Mbbl)
    United States612 636 601 
    International107 110 104 
    NGL (Mbbl)
    United States 292 302 273 
    International35 38 39 
    Natural Gas (MMcf)
    United States 1,813 1,847 1,756 
    International478 518 488 
    Total Sales Volumes (Mboe) (a)
    1,428 1,480 1,391 
    (a)    Natural gas volumes have been converted to Boe based on energy content of six Mcf of gas to one barrel of oil. Conversion to Boe does not necessarily result in price equivalency.
    30


    The following table presents information about the Company's average realized prices and index prices:

    Three months ended
    March 31, 2026December 31, 2025March 31, 2025
    Average Realized Prices
    Oil ($/Bbl)
    United States$70.31$58.28$70.80
    International$67.59$64.68$72.59
    Total Worldwide$69.91$59.22$71.07
    NGL ($/Bbl)
    United States$18.45$15.79$25.67
    International$23.52$23.78$27.85
    Total Worldwide$18.99$16.68$25.94
    Natural Gas ($/Mcf)
    United States$1.01$1.12$2.42
    International$1.93$1.87$1.90
    Total Worldwide$1.20$1.29$2.30
    Average Index Prices
    WTI oil ($/Bbl)$71.93$59.14$71.42
    Brent oil ($/Bbl)$77.93$63.09$74.89
    NYMEX gas ($/Mcf)$3.93$3.61$3.62
    Average Realized Prices as Percentage of Average Index Prices
    Worldwide oil as a percentage of average WTI97 %100 %100 %
    Worldwide oil as a percentage of average Brent90 %94 %95 %
    Worldwide NGL as a percentage of average WTI26 %28 %36 %
    Domestic natural gas as a percentage of average NYMEX26 %31 %67 %

    31


    Q1 2026 compared to Q4 2025
    Oil and gas segment earnings were $1.0 billion for the three months ended March 31, 2026, compared with segment earnings of $0.7 billion for the three months ended December 31, 2025.
    Average daily sales volumes decreased for the three months ended March 31, 2026, compared to the three months ended December 31, 2025, primarily related to the timing of domestic wells coming online as well as the impact of Winter Storm Fern and the impact of higher prices on production sharing contracts.
    The following chart outlines the changes to oil and gas segment income for the periods presented:

    549755820176

    Q1 2026 compared to Q1 2025
    Oil and gas segment earnings were $1.0 billion for the three months ended March 31, 2026, compared to $1.7 billion for the three months ended March 31, 2025.
    Average daily sales volumes increased for the three months ended March 31, 2026, compared to the same period in 2025, primarily related to an increase in development and new wells coming online in the Permian as well as a third-party pipeline disruption affecting the Company's Gulf of America operations in 2025.
    The following chart outlines the changes to oil and gas segment income for the periods presented:
    549755820171
    32


    The following table presents an analysis of the impacts of changes in average realized prices and sales volumes with regard to the Company's domestic and international oil, NGL and gas revenues:

    Increase (Decrease) Related to
    millions
    Three months ended December 31, 2025 (b)
    Price RealizationsNet Sales Volumes
    Three months ended March 31, 2026 (b)
    United States Revenue
    Oil$3,409 $664 $(200)$3,873 
    NGL393 67 (16)444 
    Natural gas191 (16)(11)164 
    Total$3,993 $715 $(227)$4,481 
    International Revenue
    Oil (a)
    $655 $14 $(19)$650 
    NGL82 (3)(5)74 
    Natural gas89 2 (8)83 
    Total$826 $13 $(32)$807 

    Increase (Decrease) Related to
    millions
    Three months ended March 31, 2025 (b)
    Price RealizationsNet Sales Volumes
    Three months ended March 31, 2026 (b)
    United States Revenue
    Oil$3,830 $(31)$74 $3,873 
    NGL578 (183)49 444 
    Natural gas381 (221)4 164 
    Total$4,789 $(435)$127 $4,481 
    International Revenue
    Oil (a)
    $675 $(49)$24 $650 
    NGL96 (13)(9)74 
    Natural gas84 2 (3)83 
    Total$855 $(60)$12 $807 
    (a)     Includes the impact of international production sharing contracts.
    (b)    Excludes "other" oil and gas revenue. See Note 2 - Revenue in the Notes to Consolidated Condensed Financial Statements in Part I, Item 1 of this Form 10-Q for additional information regarding other revenue.

    MIDSTREAM AND MARKETING SEGMENT

    Q1 2026 compared to Q4 2025
    Midstream and marketing segment losses for the three months ended March 31, 2026 were $87 million, compared to segment earnings of $204 million for the three months ended December 31, 2025. Excluding the impact of items affecting comparability, midstream and marketing first quarter results increased due to higher crude margins related to the timing impact of crude sales, higher gas margins from transportation capacity optimizations and higher sulfur prices at Al Hosn.

    Q1 2026 compared to Q1 2025
    Midstream and marketing segment losses for the three months ended March 31, 2026 were $87 million, compared to segment losses of $72 million for the three months ended March 31, 2025. Excluding the impact of items affecting comparability, the increase in midstream and marketing first quarter results in 2026 reflected higher gas margins from transportation capacity optimization in the Permian, higher margins related to the timing impact of crude sales, lower long-haul crude transportation costs and higher sulfur prices at Al Hosn.

    33


    DISCONTINUED OPERATIONS, NET
    Discontinued operations, net for all periods presented resulted from the OxyChem Transaction that closed on January 2, 2026. See Note 1 - General.

    Select results for discontinued operations are reflected in the following table:
    Three months ended
    millionsMarch 31, 2026December 31, 2025March 31, 2025
    Income before income taxes$4,044 $(19)$155 
    Income tax expense(921)(100)(40)
    Income from discontinued operations, net of tax$3,123 $(119)$115 

    34


    INCOME TAXES

    The following table sets forth the calculation of the worldwide effective tax rate for income:

    Three months ended
    millions, except percentagesMarch 31, 2026December 31, 2025March 31, 2025
    Income before income taxes$390 $406 $1,177 
    Income tax expense
    Domestic - federal and state(19)(94)(200)
    International(135)(79)(147)
    Total income tax expense(154)(173)(347)
    Income from continuing operations$236 $233 $830 
    Worldwide effective tax rate (continuing operations)39 %43 %29 %

    The Company estimates its annual effective income tax rate in recording its quarterly provision for income taxes in the various jurisdictions in which the Company operates, adjusted for certain discrete items. Each quarter, the Company updates these rates and records a cumulative adjustment to its income taxes by applying the rates to the pre-tax income excluding certain discrete items. The Company's quarterly estimate of its effective tax rates can vary significantly based on various forecasted items, including future commodity prices, capital expenditures, expenses for which tax benefits are not recognized and the geographic mix of pre-tax income and losses.
    The worldwide effective tax rates for the periods presented in the table above are primarily driven by the Company's jurisdictional mix of income. U.S. income is taxed at a U.S. federal statutory rate of 21%, while international income is subject to tax at statutory rates as high as 55%. The reclassification of OxyChem, which primarily consists of domestic operations, to discontinued operations increased the Company's effective tax rate from continuing operations.

    LIQUIDITY AND CAPITAL RESOURCES

    SOURCES AND USES OF CASH
    As of March 31, 2026, the Company's sources of liquidity included $3.8 billion of cash and cash equivalents and $4.15 billion of borrowing capacity under its RCF, which matures on June 30, 2028. There were no borrowings outstanding under the Company's RCF as of March 31, 2026.

    Operating Cash Flows
    Operating cash flow from continuing operations was $1.4 billion for the three months ended March 31, 2026, compared to $2.0 billion for the three months ended March 31, 2025. The decrease in operating cash flow from continuing operations, compared to the same period in 2025, was primarily due to higher trade receivables in 2026 in working capital resulting from sharp increases in commodity prices in March 2026.

    Investing Cash Flows
    The Company's net cash used by investing activities from continuing operations was $1.6 billion for the three months ended March 31, 2026, compared to $0.5 billion for the three months ended March 31, 2025. Investing activities for the three months ended March 31, 2025 included $1.3 billion in divestitures.
    Capital expenditures, of which the majority were for the oil and gas segment, were $1.6 billion for the three months ended March 31, 2026, compared to $1.7 billion for the three months ended March 31, 2025.
    Cash flow provided by investing activities from discontinued operations for the three months ended March 31, 2026 was $9.5 billion, which reflected proceeds from the OxyChem Transaction.

    Financing Cash Flows
    The Company's net cash used by financing activities from continuing operations was $7.3 billion for the three months ended March 31, 2026, which included principal payments of long-term debt of $6.7 billion and payments of common and preferred cash dividends of $0.4 billion. See Note 3 - Long-Term Debt in the Notes to Consolidated Condensed Financial Statements in Part I, Item 1 of this Form 10-Q.
    Net cash used by financing activities for the three months ended March 31, 2025 was $0.9 billion, which included payments of long-term debt of $0.5 billion and payments of common and preferred cash dividends of $0.4 billion.
    35


    As of the date of this filing, the Company is in compliance with all covenants in its financing agreements, and it has no remaining debt maturities due in 2026, $48 million in 2027, $14 million in 2028, and $13.3 billion thereafter. The Company currently expects its cash on hand, operating cash flows and funds available from the RCF to be sufficient to meet its near-term debt maturities, operating expenditures, capital expenditures and other obligations for the next 12 months from the date of this filing.
    The Company has provided financial assurances through a combination of cash, letters of credit and surety bonds. As of March 31, 2026, the Company had no outstanding letters of credit under the RCF.
    For additional information, see Risk Factors in Part I, Item 1A of the Company's 2025 Form 10-K.

    ENVIRONMENTAL LIABILITIES AND EXPENDITURES

    See Note 7 - Environmental Liabilities and Expenditures in the Notes to Consolidated Condensed Financial Statements in Part I, Item 1 of this Form 10-Q and the Environmental Liabilities and Expenditures section of Management's Discussion and Analysis of Financial Condition and Results of Operations in the 2025 Form 10-K for additional information regarding the Company's environmental liabilities and expenditures.

    LAWSUITS, CLAIMS, COMMITMENTS AND CONTINGENCIES

    The Company accrues reserves for outstanding lawsuits, claims and proceedings when it is probable that a liability has been incurred and the liability can be reasonably estimated. The Company has disclosed its reserve balances for environmental remediation matters and its estimated range of reasonably possible additional losses for such matters. See Note 7 - Environmental Liabilities and Expenditures and Note 8 - Lawsuits, Claims, Commitments and Contingencies in the Notes to Consolidated Condensed Financial Statements in Part I, Item 1 of this Form 10-Q for further information.

    Item 3. Quantitative and Qualitative Disclosures About Market Risk

    For the three months ended March 31, 2026, there were no material changes in the information required to be provided under Item 305 of Regulation S-K included under Item 7A, Quantitative and Qualitative Disclosures About Market Risk in the 2025 Form 10-K.

    Item 4. Controls and Procedures

    Occidental's President and Chief Executive Officer and its Senior Vice President and Chief Financial Officer supervised and participated in the Company's evaluation of the effectiveness of its disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934) as of the end of the period covered by this report. Based upon that evaluation, Occidental's President and Chief Executive Officer and Senior Vice President and Chief Financial Officer concluded that the Company's disclosure controls and procedures were effective as of March 31, 2026.
    There has been no change in the Company's internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) during the three months ended March 31, 2026 that has materially affected, or is reasonably likely to materially affect, the Company's internal control over financial reporting.

    Part II Other Information

    Item 1. Legal Proceedings

    The Company has elected to use a $1 million threshold for disclosing certain proceedings arising under federal, state or local environmental laws when a governmental authority is a party and potential monetary sanctions are involved. For additional information regarding legal proceedings, see Note 8 - Lawsuits, Claims, Commitments and Contingencies in the Notes to Consolidated Condensed Financial Statements in Part I, Item 1 of this Form 10-Q.

    Item 1A. Risk Factors

    There have been no material changes to the risk factors included under Part I, Item 1A of the 2025 Form 10-K.

    36


    Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

    Occidental’s share repurchase activities for the three months ended March 31, 2026 were as follows:

    Period
    Total
    Number
    of Shares Purchased (a)
    Average Price Paid per ShareTotal Number of Shares Purchased as Part of Publicly Announced
    Plans or Programs
    Maximum Value of Shares that May Yet Be Purchased Under the
    Plans or Programs (millions) (b)
    January 1 - 31, 2026131,448 $45.42 — 
    February 1 - 28, 2026273,976 $48.79 — 
    March 1 - 31, 2026977,343 $60.59 — 
    First Quarter 20261,382,767 $56.81 — $1,223 
    (a)    Includes purchases from the trustee of Occidental's defined contribution savings plan that are not part of publicly announced plans or programs.
    (b)    Represents the value of shares remaining in Occidental's share repurchase plan. In February 2023, Occidental announced an authorization to repurchase up to $3.0 billion of Occidental's shares of common stock. The plan does not obligate Occidental to acquire any specific number of shares and may be discontinued at any time.

    Item 5. Other Information

    During the three months ended March 31, 2026, no director or Section 16 officer of the Company adopted or terminated any Rule 10b5-1 trading arrangements or non-Rule 10b5-1 trading arrangements (in each case, as defined in Item 408(a) of Regulation S-K).

    37


    Item 6. Exhibits
    4.1
    Fifth Supplemental Indenture to that certain Indenture, dated as of August 8, 2019, by and between Occidental Petroleum Corporation and The Bank of New York Mellon Trust Company, N.A. (filed as Exhibit 4.1 to the Current Report on Form 8-K dated March 5, 2026, File No. 1-9210).
    10.1^*
    Form of Occidental Petroleum Corporation 2015 Long-Term Incentive Plan Notice of Grant of Cash Return on Capital Employed Incentive Award.

    31.1*
    Certification of CEO Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
    31.2*
    Certification of CFO Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
    32.1**
    Certifications of CEO and CFO Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
    101.INS*Inline XBRL Instance Document.
    101.SCH*Inline XBRL Taxonomy Extension Schema Document.
    101.CAL*Inline XBRL Taxonomy Extension Calculation Linkbase Document.
    101.LAB*Inline XBRL Taxonomy Extension Label Linkbase Document.
    101.PRE*Inline XBRL Taxonomy Extension Presentation Linkbase Document.
    101.DEF*Inline XBRL Taxonomy Extension Definition Linkbase Document.
    104*Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101).
    ^ Indicates a management contract or compensatory plan or arrangement.
    * Filed herewith.
    ** Furnished herewith.

    38


    SIGNATURES

    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 thereunto duly authorized.

     OCCIDENTAL PETROLEUM CORPORATION 

    May 5, 2026/s/ Christopher O. Champion
    Christopher O. Champion
    Vice President, Chief Accounting Officer and Controller

    39
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