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    SEC Form 10-Q filed by Kosmos Energy Ltd.

    5/6/25 12:05:15 PM ET
    $KOS
    Oil & Gas Production
    Energy
    Get the next $KOS alert in real time by email
    kos-20250331
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    Table of Contents

    UNITED STATES
    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549
     
    FORM 10-Q
    (Mark One) 
    ☒
    QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
     
    For the quarterly period ended March 31, 2025
    ☐
    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:  001-35167
     
    kos_logo.jpg
    Kosmos Energy Ltd.
    (Exact name of registrant as specified in its charter)
    Delaware 98-0686001
    (State or other jurisdiction of (I.R.S. Employer
    incorporation or organization) Identification No.)
    8176 Park Lane
    Dallas, Texas75231
    (Address of principal executive offices)(Zip Code)
     
    Title of each classTrading SymbolName of each exchange on which registered:
    Common Stock $0.01 par valueKOSNew York Stock Exchange
    London Stock Exchange
     
    Registrant’s telephone number, including area code: +1 214 445 9600
     
    Not applicable
    (Former name, former address and former fiscal year, if changed since last report)
     
    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.  Yes ☒  No ☐
     
    Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted 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 and post such files).  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 ☒ Accelerated filer ☐
       
    Non-accelerated filer ☐ Smaller reporting company ☐
    (Do not check if a 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 ☐  No ☒
     
    Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date.
    ClassOutstanding at May 1, 2025
    Common Shares, $0.01 par value 478,009,062


    Table of Contents

    TABLE OF CONTENTS
     
    Unless otherwise stated in this report, references to “Kosmos,” “we,” “us” or “the company” refer to Kosmos Energy Ltd. and its wholly owned subsidiaries. We have provided definitions for some of the industry terms used in this report in the “Glossary and Selected Abbreviations” beginning on page 3.
     
     Page
    PART I. FINANCIAL INFORMATION 
      
    Glossary and Select Abbreviations 
    3
      
    Item 1. Financial Statements 
    7
    Consolidated Balance Sheets
    7
    Consolidated Statements of Operations
    8
    Consolidated Statements of Stockholders’ Equity
    9
    Consolidated Statements of Cash Flows
    10
    Notes to Consolidated Financial Statements 
    11
    Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations 
    29
    Item 3. Quantitative and Qualitative Disclosures about Market Risk 
    40
    Item 4. Controls and Procedures 
    42
      
    PART II. OTHER INFORMATION 
      
    Item 1. Legal Proceedings 
    42
    Item 1A. Risk Factors 
    42
    Item 2. Unregistered Sales of Equity Securities and Use of Proceeds 
    42
    Item 3. Defaults Upon Senior Securities 
    43
    Item 4. Mine Safety Disclosures 
    43
    Item 5. Other Information 
    43
    Signatures 
    44
    Item 6. Exhibits 
    44
    Index to Exhibits 
    45
    2

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    KOSMOS ENERGY LTD.
    GLOSSARY AND SELECTED ABBREVIATIONS
     
    The following are abbreviations and definitions of certain terms that may be used in this report. Unless listed below, all defined terms under Rule 4-10(a) of Regulation S-X shall have their statutorily prescribed meanings.
     
    “2D seismic data”Two‑dimensional seismic data, serving as interpretive data that allows a view of a vertical cross‑section beneath a prospective area.
    “3D seismic data”Three‑dimensional seismic data, serving as geophysical data that depicts the subsurface strata in three dimensions. 3D seismic data typically provides a more detailed and accurate interpretation of the subsurface strata than 2D seismic data.
    “ANP-STP”Agencia Nacional Do Petroleo De Sao Tome E Principe.
    “API”A specific gravity scale, expressed in degrees, that denotes the relative density of various petroleum liquids. The scale increases inversely with density. Thus lighter petroleum liquids will have a higher API than heavier ones.
    “ASC”Financial Accounting Standards Board Accounting Standards Codification.
    “ASU”Financial Accounting Standards Board Accounting Standards Update.
    “Barrel” or “Bbl”A standard measure of volume for petroleum corresponding to approximately 42 gallons at 60 degrees Fahrenheit.
    “BBbl”Billion barrels of oil.
    “BBoe”Billion barrels of oil equivalent.
    “Bcf”Billion cubic feet.
    “Boe”Barrels of oil equivalent. Volumes of natural gas converted to barrels of oil using a conversion factor of 6,000 cubic feet of natural gas to one barrel of oil.
    “BOEM”Bureau of Ocean Energy Management.
    “Boepd”Barrels of oil equivalent per day.
    “Bopd”Barrels of oil per day.
    “BP”BP p.l.c. and related subsidiaries.
    “Bwpd”Barrels of water per day.
    “3.125% Convertible Senior Notes”
    3.125% Convertible Senior Notes due 2030.
    “Debt cover ratio”The “debt cover ratio” is broadly defined, for each applicable calculation date, as the ratio of (x) total long‑term debt less cash and cash equivalents and restricted cash, to (y) the aggregate EBITDAX (see below) of the Company for the previous twelve months.
    “Developed acreage”The number of acres that are allocated or assignable to productive wells or wells capable of production.
    “Development”The phase in which an oil or natural gas field is brought into production by drilling development wells and installing appropriate production systems.
    “DST”Drill stem test.
    “Dry hole” or “Unsuccessful well”A well that has not encountered a hydrocarbon bearing reservoir expected to produce in commercial quantities.
    “DT”Deepwater Tano.
    “EBITDAX”
    Net income (loss) plus (i) exploration expense, (ii) depletion, depreciation and amortization expense, (iii) equity‑based compensation expense, (iv) unrealized (gain) loss on commodity derivatives (realized losses are deducted and realized gains are added back), (v) (gain) loss on sale of oil and gas properties, (vi) interest (income) expense, (vii) income taxes, (viii) debt modifications and extinguishments, (ix) doubtful accounts expense and (x) similar other material items which management believes affect the comparability of operating results.
    “ESG”Environmental, social, and governance.
    “ESP”Electric submersible pump.
    “E&P”Exploration and production.
    3

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    “Facility”Facility agreement dated March 28, 2011 (as amended or as amended and restated from time to time).
    “FASB”Financial Accounting Standards Board.
    “Farm‑in”An agreement whereby a party acquires a portion of the participating interest in a block from the owner of such interest, usually in return for cash and/or for taking on a portion of future costs or other performance by the assignee as a condition of the assignment.
    “Farm‑out”An agreement whereby the owner of the participating interest agrees to assign a portion of its participating interest in a block to another party for cash and/or for the assignee taking on a portion of future costs and/or other work as a condition of the assignment.
    “FEED”Front End Engineering Design.
    “Field life cover ratio”
    The “field life cover ratio” is broadly defined, for each applicable forecast period, as the ratio of (x) the forecasted net present value of net cash flow through depletion plus the net present value of the forecast of certain capital expenditures incurred in relation to the Ghana and Equatorial Guinea assets, to (y) the aggregate loan amounts outstanding under the Facility.
    “FLNG”
    Floating liquefied natural gas vessel.
    “FPS”Floating production system.
    “FPSO”Floating production, storage and offloading vessel.
    “GAAP”Generally Accepted Accounting Principles in the United States of America.
    “GEPetrol”Guinea Equatorial De Petroleos.
    “GHG”Greenhouse gas.
    “GNPC”Ghana National Petroleum Corporation.
    “Greater Tortue Ahmeyim”Ahmeyim and Guembeul discoveries.
    “GTA UUOA”Unitization and Unit Operating Agreement covering the Greater Tortue Ahmeyim Unit.
    “HLS”Heavy Louisiana Sweet.
    “Jubilee UUOA”Unitization and Unit Operating Agreement covering the Jubilee Unit.
    “Interest cover ratio”The “interest cover ratio” is broadly defined, for each applicable calculation date, as the ratio of (x) the aggregate EBITDAX (see above) of the Company for the previous twelve months, to (y) interest expense less interest income for the Company for the previous twelve months.
    “LNG”Liquefied natural gas.
    “Loan life cover ratio”
    The “loan life cover ratio” is broadly defined, for each applicable forecast period, as the ratio of (x) net present value of forecasted net cash flow through the final maturity date of the Facility plus the net present value of forecasted capital expenditures incurred in relation to the Ghana and Equatorial Guinea assets to (y) the aggregate loan amounts outstanding under the Facility.
    “LSE”London Stock Exchange.
    “LTIP”Long Term Incentive Plan.
    “MBbl”Thousand barrels of oil.
    “MBoe”Thousand barrels of oil equivalent.
    “Mcf”Thousand cubic feet of natural gas.
    “Mcfpd”Thousand cubic feet per day of natural gas.
    “MMBbl”Million barrels of oil.
    “MMBoe”Million barrels of oil equivalent.
    “MMBtu”Million British thermal units.
    “MMcf”Million cubic feet of natural gas.
    “MMcfd”Million cubic feet per day of natural gas.
    “MMTPA”Million metric tonnes per annum.
    4

    Table of Contents
    “Natural gas liquid” or “NGL”Components of natural gas that are separated from the gas state in the form of liquids. These include propane, butane, and ethane, among others.
    “Net debt”Total long-term debt less cash and cash equivalents and total restricted cash.
    “NYSE”New York Stock Exchange.
    “Petroleum contract”A contract in which the owner of hydrocarbons gives an E&P company temporary and limited rights, including an exclusive option to explore for, develop, and produce hydrocarbons from the lease area.
    “Petroleum system”A petroleum system consists of organic material that has been buried at a sufficient depth to allow adequate temperature and pressure to expel hydrocarbons and cause the movement of oil and natural gas from the area in which it was formed to a reservoir rock where it can accumulate.
    “Plan of development” or “PoD”A written document outlining the steps to be undertaken to develop a field.
    “Productive well”An exploratory or development well found to be capable of producing either oil or natural gas in sufficient quantities to justify completion as an oil or natural gas well.
    “Prospect(s)”A potential trap that may contain hydrocarbons and is supported by the necessary amount and quality of geologic and geophysical data to indicate a probability of oil and/or natural gas accumulation ready to be drilled. The five required elements (generation, migration, reservoir, seal and trap) must be present for a prospect to work and if any of these fail neither oil nor natural gas may be present, at least not in commercial volumes.
    “Proved reserves”Estimated quantities of crude oil, natural gas and natural gas liquids that geological and engineering data demonstrate with reasonable certainty to be economically recoverable in future years from known reservoirs under existing economic and operating conditions, as well as additional reserves expected to be obtained through confirmed improved recovery techniques, as defined in SEC Regulation S‑X 4‑10(a)(2).
    “Proved developed reserves”Those proved reserves that can be expected to be recovered through existing wells and facilities and by existing operating methods.
    “Proved undeveloped reserves”Those proved reserves that are expected to be recovered from future wells and facilities, including future improved recovery projects which are anticipated with a high degree of certainty in reservoirs which have previously shown favorable response to improved recovery projects.
    “RSC”Ryder Scott Company, L.P.
    “SOFR”Secured Overnight Financing Rate
    “SEC”Securities and Exchange Commission.
    “7.125% Senior Notes”7.125% Senior Notes due 2026.
    “7.750% Senior Notes”7.750% Senior Notes due 2027.
    “7.500% Senior Notes”7.500% Senior Notes due 2028.
    “8.750% Senior Notes”
    8.750% Senior Notes due 2031.
    “SMH”Societe Mauritanienne des Hydrocarbures
    “Stratigraphy”The study of the composition, relative ages and distribution of layers of sedimentary rock.
    “Stratigraphic trap”A stratigraphic trap is formed from a change in the character of the rock rather than faulting or folding of the rock and oil is held in place by changes in the porosity and permeability of overlying rocks.
    “Structural trap”A topographic feature in the earth’s subsurface that forms a high point in the rock strata. This facilitates the accumulation of oil and gas in the strata.
    “TAG GSA”TEN Associated Gas - Gas Sales Agreement.
    “TEN”Tweneboa, Enyenra and Ntomme.
    “Tortue Phase 1 SPA”
    Greater Tortue Ahmeyim Agreement for a Long Term Sale and Purchase of LNG.
    “Trap”A configuration of rocks suitable for containing hydrocarbons and sealed by a relatively impermeable formation through which hydrocarbons will not migrate.
    “Trident”Trident Energy.
    5

    Table of Contents
    “Undeveloped acreage”Lease acreage on which wells have not been drilled or completed to a point that would permit the production of commercial quantities of natural gas and oil regardless of whether such acreage contains discovered resources.
    “WCTP”West Cape Three Points.























    6

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    KOSMOS ENERGY LTD.
    CONSOLIDATED BALANCE SHEETS
    (In thousands, except share data)
     March 31,
    2025
    December 31,
    2024
     (Unaudited) 
    Assets  
    Current assets:  
    Cash and cash equivalents $49,791 $84,972 
    Receivables152,513 164,959 
    Inventories 196,095 170,871 
    Prepaid expenses and other 15,150 16,414 
    Derivatives3,590 8,916 
    Total current assets 417,139 446,132 
      
    Property and equipment, net 4,413,056 4,444,221 
    Other assets:  
    Restricted cash 305 305 
    Long-term receivables395,571 385,463 
    Deferred tax assets 4,079 4,717 
    Derivatives— 512 
    Other39,264 27,638 
    Total assets $5,269,414 $5,308,988 
    Liabilities and stockholders’ equity  
    Current liabilities:  
    Accounts payable $332,696 $349,994 
    Accrued liabilities 214,619 244,954 
    Total current liabilities 547,315 594,948 
    Long-term liabilities:  
    Long-term debt, net 2,847,621 2,744,712 
    Asset retirement obligations 415,896 406,886 
    Deferred tax liabilities314,607 313,433 
    Other long-term liabilities 45,795 48,585 
    Total long-term liabilities 3,623,919 3,513,616 
    Stockholders’ equity:  
    Preference shares, $0.01 par value; 200,000,000 authorized shares; zero issued at March 31, 2025 and December 31, 2024
    — — 
    Common stock, $0.01 par value; 2,000,000,000 authorized shares; 522,167,921 and 516,158,749 issued at March 31, 2025 and December 31, 2024, respectively
    5,222 5,162 
    Additional paid-in capital 2,523,041 2,514,739 
    Accumulated deficit (1,193,076)(1,082,470)
    Treasury stock, at cost, 44,263,269 shares at March 31, 2025 and December 31, 2024, respectively
    (237,007)(237,007)
    Total stockholders’ equity 1,098,180 1,200,424 
    Total liabilities and stockholders’ equity $5,269,414 $5,308,988 
    See accompanying notes.
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    KOSMOS ENERGY LTD.
    CONSOLIDATED STATEMENTS OF OPERATIONS
    (In thousands, except per share data)
     (Unaudited)
     
     Three Months Ended
     March 31,
     20252024
    Revenues and other income:  
    Oil and gas revenue $290,135 $419,103 
    Other income, net 296 36 
    Total revenues and other income 290,431 419,139 
    Costs and expenses:  
    Oil and gas production 167,308 93,618 
    Exploration expenses 9,669 12,060 
    General and administrative 26,255 28,265 
    Depletion, depreciation and amortization120,667 100,928 
    Interest and other financing costs, net51,842 16,448 
    Derivatives, net 6,732 23,822 
    Other expenses, net 1,989 2,029 
    Total costs and expenses 384,462 277,170 
    Income (loss) before income taxes(94,031)141,969 
    Income tax expense16,575 50,283 
    Net income (loss)$(110,606)$91,686 
    Net income (loss) per share:  
    Basic $(0.23)$0.20 
    Diluted $(0.23)$0.19 
    Weighted average number of shares used to compute net income (loss) per share:
      
    Basic 475,681 468,042 
    Diluted 475,681 482,096 
     
    See accompanying notes.
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    KOSMOS ENERGY LTD.
     CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY
     (In thousands)
    (Unaudited)
     
       Additional   
     Common SharesPaid-inAccumulatedTreasury 
     SharesAmount CapitalDeficitStockTotal
    2025:
    Balance as of December 31, 2024516,159 $5,162 $2,514,739 $(1,082,470)$(237,007)$1,200,424 
    Equity-based compensation — — 8,362 — — 8,362 
    Restricted stock units 6,009 60 (60)— — — 
    Net loss— — — (110,606)— (110,606)
    Balance as of March 31, 2025522,168 5,222 2,523,041 (1,193,076)(237,007)1,098,180 
    2024:
    Balance as of December 31, 2023504,393 $5,044 $2,536,621 $(1,272,321)$(237,007)$1,032,337 
    Capped call transactions
    — — (49,800)— — (49,800)
    Equity-based compensation — — 7,333 — — 7,333 
    Restricted stock units 11,373 114 (114)— — — 
    Tax withholdings and cash settlements on restricted stock units
    — — (9,921)— — (9,921)
    Net income— — — 91,686 — 91,686 
    Balance as of March 31, 2024515,766 $5,158 $2,484,119 $(1,180,635)$(237,007)$1,071,635 
     
    See accompanying notes.
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    KOSMOS ENERGY LTD.
     CONSOLIDATED STATEMENTS OF CASH FLOWS
     (In thousands)
     (Unaudited)
     Three Months Ended March 31,
     20252024
    Operating activities  
    Net income (loss)$(110,606)$91,686 
    Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
    Depletion, depreciation and amortization (including deferred financing costs)122,551 103,327 
    Deferred income taxes 1,811 (7,316)
    Unsuccessful well costs and leasehold impairments1,903 466 
    Change in fair value of derivatives 7,586 27,010 
    Cash settlements on derivatives, net (including $(1.8) million and $(2.9) million on commodity hedges during 2025 and 2024)
    494 (6,194)
    Equity-based compensation 8,361 7,328 
    Other (5,597)(5,708)
    Changes in assets and liabilities:
    (Increase) decrease in receivables37,264 (1,062)
    Increase in inventories and prepaid expenses(24,452)(29,155)
    Increase (decrease) in accounts payable and accrued liabilities(40,203)92,181 
    Net cash provided by (used in) operating activities(888)272,563 
    Investing activities  
    Oil and gas assets (90,245)(314,822)
    Notes receivable and other investing activities
    (44,048)(2,528)
    Net cash used in investing activities(134,293)(317,350)
    Financing activities  
    Borrowings under long-term debt 100,000 175,000 
    Payments on long-term debt — (300,000)
    Net proceeds from issuance of senior notes
    — 390,430 
    Purchase of capped call transactions— (49,800)
    Other financing costs
    — (11,691)
    Net cash provided by financing activities100,000 203,939 
    Net increase (decrease) in cash, cash equivalents and restricted cash(35,181)159,152 
    Cash, cash equivalents and restricted cash at beginning of period 85,277 98,761 
    Cash, cash equivalents and restricted cash at end of period $50,096 $257,913 
    Supplemental cash flow information  
    Cash paid for:  
    Income taxes, net of refund received $45,504 $77,309 
     
    See accompanying notes.
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    KOSMOS ENERGY LTD.
     Notes to Consolidated Financial Statements
    (Unaudited)
     
    1. Organization
     
    Kosmos Energy Ltd. is incorporated in the State of Delaware as a holding company for Kosmos Energy Delaware Holdings, LLC, a Delaware limited liability company. As a holding company, Kosmos Energy Ltd.’s management operations are conducted through a wholly-owned subsidiary, Kosmos Energy, LLC. The terms “Kosmos,” the “Company,” “we,” “us,” “our,” “ours,” and similar terms refer to Kosmos Energy Ltd. and its wholly-owned subsidiaries, unless the context indicates otherwise.

    Kosmos Energy is a leading deepwater exploration and production company focused on meeting the world’s growing demand for energy. We have diversified oil and gas production from assets offshore Ghana, Equatorial Guinea, Mauritania, Senegal and the Gulf of America. Additionally, in the proven basins where we operate we are advancing high-quality development opportunities, which have come from our exploration success. Kosmos is listed on the NYSE and LSE and is traded under the ticker symbol KOS.
     
    Kosmos is engaged in a single line of business, which is the exploration, development, and production of oil and natural gas. Substantially all of our long-lived assets and all of our product sales are related to operations in four geographic areas: Ghana, Equatorial Guinea, Mauritania/Senegal and the Gulf of America.
     
    2. Accounting Policies
     
    General
     
    The interim consolidated financial statements included in this report are unaudited and, in the opinion of management, include all adjustments of a normal recurring nature necessary for a fair presentation of the results for the interim periods. The results of the interim periods shown in this report are not necessarily indicative of the final results to be expected for the full year. The interim consolidated financial statements were prepared in accordance with the requirements of the SEC for interim reporting. As permitted under those rules, certain notes or other financial information that are normally required by GAAP have been condensed or omitted from these interim consolidated financial statements. These interim consolidated financial statements and the accompanying notes should be read in conjunction with our audited consolidated financial statements for the year ended December 31, 2024, included in our annual report on Form 10-K.

    Reclassifications
     
    Certain prior period amounts have been reclassified to conform with the current presentation. Such reclassifications had no significant impact on our reported net income (loss), current assets, total assets, current liabilities, total liabilities, stockholders’ equity or cash flows.

    Cash, Cash Equivalents and Restricted Cash 
     March 31,
    2025
    December 31,
    2024
     (In thousands)
    Cash and cash equivalents $49,791 $84,972 
    Restricted cash - long-term305 305 
    Total cash, cash equivalents and restricted cash shown in the consolidated statements of cash flows
    $50,096 $85,277 
     
    Cash and cash equivalents include demand deposits and funds invested in highly liquid instruments with original maturities of three months or less at the date of purchase. When our net leverage ratio exceeds 2.50x, we are required under the Facility to maintain a restricted cash balance that is sufficient to meet the payment of interest and fees for the next six-month period on the 7.125% Senior Notes, the 7.750% Senior Notes, the 7.500% Senior Notes, the 8.750% Senior Notes and the 3.125% Convertible Senior Notes or the Facility, whichever is greater. As of December 31, 2024, our net leverage ratio was 2.54x, partially due to pre-production operating costs associated with the GTA Phase 1 project. During the first quarter of 2025,
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    the Facility lenders waived the requirement to maintain a restricted cash balance through 2025, by which time both GTA revenue and expenses are expected to be realized.

    Joint Interest Billings

    The Company’s joint interest billings consist of receivables from partners with interests in common oil and natural gas properties operated by the Company for shared costs. Joint interest billings are classified on the face of the consolidated balance sheets as current and long-term receivables based on when collection is expected to occur.
     
    Inventories
     
    Inventories consisted of $151.6 million and $167.5 million of materials and supplies and $44.5 million and $3.4 million of hydrocarbons as of March 31, 2025 and December 31, 2024, respectively. The Company’s materials and supplies inventory primarily consists of casing and wellheads and is stated at the lower of cost, using the weighted average cost method, or net realizable value.

    Hydrocarbon inventory is carried at the lower of cost, using the weighted average cost method, or net realizable value. Hydrocarbon inventory costs include expenditures and other charges incurred in bringing the inventory to its existing condition. Selling expenses and general and administrative expenses are reported as period costs and excluded from inventory costs.

    Revenue Recognition

    Our oil and gas revenues are recognized when hydrocarbons have been sold to a purchaser at a fixed or determinable price, title has transferred and collection is probable. Certain revenues are based on contracts with provisional pricing and quantity optionality which contain a derivative that is separated from the host contract for accounting purposes. The host contract is the receivable from oil sales at the spot price on the date of sale. The derivative, which is not designated as a hedge, is marked to market through oil and gas revenue each period until the final settlement occurs, which generally is limited to the month of or month after the sale.

    Oil and gas revenue is composed of the following:
    Three Months Ended March 31,
     20252024
     (In thousands)
    Revenues from contracts with customers:
    Ghana
    $152,805 $255,637 
    Equatorial Guinea
    33,682 79,230 
    Mauritania/Senegal
    2,697 — 
    Gulf of America
    101,778 87,424 
    Total revenues from contracts with customers
    290,962 422,291 
    Provisional oil sales contracts(827)(3,188)
    Oil and gas revenue$290,135 $419,103 

    Concentration of Credit Risk

    Our revenue can be materially affected by current economic conditions and the price of oil and natural gas. However, based on the current demand for crude oil and natural gas and the fact that alternative purchasers are readily available, we believe that the loss of our purchasers and/or marketing agents would not have a long‑term material adverse effect on our financial position or results of operations.
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    Recent Accounting Standards

    Recently Adopted

    In November 2023, the FASB issued ASU 2023-07, “Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures.” The amendment requires disclosures of significant segment expenses that are regularly provided to the chief operating decision maker (“CODM”) and included within each reported measure of segment profit or loss, an amount and description of its composition for other segment items, and interim disclosures of a reportable segment’s profit or loss and assets. The amendments are effective for fiscal years beginning after December 15, 2023, and for interim periods within fiscal years beginning after December 15, 2024.

    Not Yet Adopted

    In December 2023, the FASB issued ASU 2023-09, “Improvements to Income Tax Disclosures (Topic 740).” The amendments focus on income tax disclosures around effective tax rates and cash income taxes paid. The amendments in the ASU are effective for annual periods beginning after December 15, 2024. Early adoption is permitted, however, we do not plan to early adopt ASU 2023-09. The Company is currently assessing the impact of this standard on its financial statement disclosures.

    In November 2024, the FASB issued ASU 2024-03, “Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses”. The amendments in ASU 2024-03 require more detailed disclosures about specified categories of costs and expenses included in certain expense captions presented on the face of the income statement. This ASU is effective for fiscal years beginning after December 15, 2026, and for interim periods within fiscal years beginning after December 15, 2027. Early adoption is permitted. The Company is currently assessing the impact of this standard on its financial statement disclosures.

    In November 2024, the FASB issued ASU 2024-04, “Debt - Debt with Conversion and Other Options (Subtopic 470-20): Induced Conversions of Convertible Debt Instruments.” The amendments in ASU 2024-04 clarify the requirements for determining whether certain settlements of convertible debt instruments should be accounted for as an induced conversion. The amendments in the ASU are effective for annual periods beginning after December 15, 2025. Early adoption is permitted, however, we do not plan to early adopt ASU 2024-04. The Company is currently assessing the impact this standard will have on its consolidated financial statements.

    3. Receivables

    Receivables consisted of the following:
     March 31,
    2025
    December 31,
    2024
     (In thousands)
    Joint interest billings, net
    $24,268 $33,120 
    Oil and gas sales
    94,414 89,694 
    Other current receivables
    33,831 42,145 
    Total receivables
    $152,513 $164,959 
    Long-term receivables
    $395,571 $385,463 

    The Company’s joint interest billings consist of receivables from partners with interests in common oil and gas properties operated by the Company for shared costs. Joint interest billings are classified as current and long-term receivables based on when collection is expected to occur.
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    Long-term receivables

    In February 2019, Kosmos and BP signed Carry Advance Agreements with the national oil companies of Mauritania and Senegal obligating us to finance a portion of the respective national oil company’s share of certain development and production costs incurred for the GTA Phase 1 project. As of March 31, 2025 and December 31, 2024, the principal balance due from the national oil companies was $312.7 million and $280.1 million, respectively, which is classified as Long-term receivables in our consolidated balance sheets. As of March 31, 2025 and December 31, 2024, accrued interest on the balance due from the national oil companies was $62.0 million and $56.6 million, respectively, which is classified as Long-term receivables in our consolidated balance sheets. Interest income on the long-term notes receivable was $5.4 million and $4.6 million for the three months ended March 31, 2025 and 2024, respectively.

    4. Property and Equipment
     
    Property and equipment is stated at cost and consisted of the following:
     
     March 31,
    2025
    December 31,
    2024
     (In thousands)
    Oil and gas properties:  
    Proved properties $8,415,176 $8,342,353 
    Unproved properties 393,960 386,292 
    Total oil and gas properties 8,809,136 8,728,645 
    Accumulated depletion (4,399,527)(4,288,215)
    Oil and gas properties, net 4,409,609 4,440,430 
    Other property 66,674 66,675 
    Accumulated depreciation (63,227)(62,884)
    Other property, net 3,447 3,791 
    Property and equipment, net $4,413,056 $4,444,221 
     
    We recorded depletion expense of $111.3 million and $92.2 million for the three months ended March 31, 2025 and 2024, respectively. During the three months ended March 31, 2025, additions to our proved properties primarily related to completion of the first phase of the GTA development in Mauritania and Senegal.

    5. Suspended Well Costs
     
    The following table reflects the Company’s capitalized exploratory well costs on drilled wells as of and during the three months ended March 31, 2025.
     
     March 31,
    2025
     (In thousands)
    Beginning balance $196,202 
    Additions to capitalized exploratory well costs pending the determination of proved reserves 6,923 
    Reclassification due to determination of proved reserves — 
    Capitalized exploratory well costs charged to expense — 
    Ending balance $203,125 

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    The following table provides an aging of capitalized exploratory well costs based on the date drilling was completed and the number of projects for which exploratory well costs have been capitalized for more than one year since the completion of drilling:
     
     March 31,
    2025
    December 31,
    2024
     (In thousands, except project counts)
    Exploratory well costs capitalized for a period of one year or less$— $— 
    Exploratory well costs capitalized for a period of one to five years
    67,944 63,552 
    Exploratory well costs capitalized for a period of six to ten years
    135,181 132,650 
    Ending balance$203,125 $196,202 
    Number of projects that have exploratory well costs that have been capitalized for a period greater than one year
    2 2 
     
    As of March 31, 2025, the projects with exploratory well costs capitalized for more than one year since the completion of drilling are related to the Yakaar and Teranga discoveries in the Cayar Offshore Profond block offshore Senegal and the Tiberius discovery in Keathley Canyon Block 964 in the Outer Wilcox play in the Gulf of America.
     
    Yakaar and Teranga Discoveries — In May 2016, we drilled the Teranga-1 exploration well in the Cayar Offshore Profond block offshore Senegal, which encountered hydrocarbon pay. In June 2017, we drilled the Yakaar-1 exploration well in the Cayar Offshore Profond block offshore Senegal, which encountered hydrocarbon pay. In November 2017, an integrated Yakaar-Teranga appraisal plan was submitted to the government of Senegal. In September 2019, we drilled the Yakaar-2 appraisal well which encountered hydrocarbon pay. The Yakaar-2 well was drilled approximately nine kilometers from the Yakaar-1 exploration well. In March 2024, the current phase of the Cayar Block exploration license was extended an additional two years to July 2026. The Yakaar and Teranga discoveries are being analyzed as a joint development. During 2025, we have continued progressing appraisal studies, maturing concept design and conducting a farm-out process. Following additional evaluation, a final investment decision for the development of the project is expected to be made.

    Tiberius Discovery — In July 2023, we spud the Tiberius infrastructure-led exploration prospect located in Block 964 of Keathley Canyon in the Gulf of America, which encountered hydrocarbon pay. Initial fluid and core analysis supports the production potential of the well, with characteristics analogous with similar nearby discoveries in the Wilcox trend. In March 2024, we completed the acquisition of an additional 16.7% participating interest in the Keathley Canyon Blocks 920 and 964, offshore Gulf of America. As a result of the transaction, Kosmos’ participating interest in the Tiberius discovery area increased from 33.3% to 50.0%. The Tiberius project is being analyzed as a phased development with discussions currently ongoing with our partner to finalize the development plan. Following additional evaluation, a final investment decision for the development of the project is expected to be made.

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    6. Debt 
     March 31,
    2025
    December 31,
    2024
     (In thousands)
    Outstanding debt principal balances:  
    Facility $1,000,000 $900,000 
    7.125% Senior Notes
    250,000 250,000 
    7.750% Senior Notes
    350,000 350,000 
    7.500% Senior Notes
    400,274 400,274 
    8.750% Senior Notes
    500,000 500,000 
    3.125% Convertible Senior Notes
    400,000 400,000 
    Total long-term debt2,900,274 2,800,274 
    Unamortized deferred financing costs and discounts(1)(52,653)(55,562)
    Long-term debt, net$2,847,621 $2,744,712 
    (1)Includes $28.8 million and $30.4 million of unamortized deferred financing costs related to the Facility, $13.2 million and $14.1 million of unamortized deferred financing costs and discounts related to the Senior Notes, and $10.6 million and $11.1 million of unamortized deferred financing costs related to the 3.125% Convertible Senior Notes as of March 31, 2025 and December 31, 2024, respectively.

    Facility
     
    The Facility supports our oil and gas exploration, appraisal and development programs and corporate activities. As of March 31, 2025, borrowings under the Facility totaled $1.0 billion and the undrawn availability under the Facility was $350.0 million. Final maturity of the Facility is December 31, 2029. In March 2025, during the Spring 2025 redetermination, the Company’s lending syndicate approved a borrowing base at the full Facility size of $1.35 billion. The borrowing base amount is based on the sum of the net present values of net cash flows and relevant capital expenditures reduced by certain percentages as well as value attributable to certain assets’ reserves and/or resources in the Company’s production assets in Ghana and Equatorial Guinea.
    Interest on the Facility is the aggregate of the applicable margin (4.00% to 5.50%, depending on the length of time that has passed from the date the Facility was entered into), plus the term SOFR reference rate administered by CME Group Benchmark Administration Limited for the relevant period published. Interest is payable on the last day of each interest period (and, if the interest period is longer than six months, on the dates falling at six-month intervals after the first day of the interest period). We pay commitment fees on the undrawn and unavailable portion of the total commitments, if any. Commitment fees are equal to 30% per annum of the then-applicable respective margin when a commitment is available for utilization and, equal to 20% per annum of the then-applicable respective margin when a commitment is not available for utilization. We recognize interest expense in accordance with ASC 835 — Interest, which requires interest expense to be recognized using the effective interest method. We determined the effective interest rate based on the estimated level of borrowings under the Facility.

    The Facility provides a revolving credit and letter of credit facility. As of March 31, 2025, we had no letters of credit issued under the Facility.

    When our net leverage ratio exceeds 2.50x, we are required under the Facility to maintain a restricted cash balance that is sufficient to meet the payment of interest and fees for the next six-month period on the 7.125% Senior Notes, the 7.750% Senior Notes, the 7.500% Senior Notes, the 8.750% Senior Notes and the 3.125% Convertible Senior Notes or the Facility, whichever is greater. As of December 31, 2024, our net leverage ratio was 2.54x, partially due to pre-production operating costs associated with the GTA Phase 1 project. During the first quarter of 2025, the Facility lenders waived the requirement to maintain a restricted cash balance through 2025, by which time both GTA revenue and expenses are expected to be realized.

    We were in compliance with the financial covenants contained in the Facility as of March 31, 2025 (the most recent assessment date). The Facility contains customary cross default provisions.

    7.125% Senior Notes due 2026
    In April 2019, the Company issued $650.0 million of 7.125% Senior Notes and received net proceeds of approximately $640.0 million after deducting fees.

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    The 7.125% Senior Notes mature on April 4, 2026. Interest is payable in arrears each April 4 and October 4, commencing on October 4, 2019. The 7.125% Senior Notes are senior, unsecured obligations of Kosmos Energy Ltd. and rank equal in right of payment with all of its existing and future senior indebtedness (including all borrowings under the 7.750% Senior Notes, the 7.500% Senior Notes, the 8.750% Senior Notes and the 3.125% Convertible Senior Notes) and rank effectively junior in right of payment to all of its existing and future secured indebtedness (including all borrowings under the Facility). The 7.125% Senior Notes are guaranteed on a senior, unsecured basis by certain subsidiaries owning the Company's Gulf of America assets, and on a subordinated, unsecured basis by certain subsidiaries that borrow under, or guarantee, the Facility and that guarantee the 7.750% Senior Notes, the 7.500% Senior Notes, the 8.750% Senior Notes and the 3.125% Convertible Senior Notes. On September 24, 2024, the Company completed the repurchase of an aggregate principal amount of $400.0 million of the 7.125% Senior Notes pursuant to the Company’s cash tender offers for portions of the 7.125% Senior Notes, the 7.750% Senior Notes, and the 7.500% Senior Notes announced on September 9, 2024 (the “Tender Offers”). The 7.125% Senior Notes contain customary cross default provisions.

    7.750% Senior Notes due 2027
    In October 2021, the Company issued $400.0 million of 7.750% Senior Notes and received net proceeds of approximately $395.0 million after deducting fees.
    The 7.750% Senior Notes mature on May 1, 2027. Interest is payable in arrears each May 1 and November 1, commencing on May 1, 2022. The 7.750% Senior Notes are senior, unsecured obligations of Kosmos Energy Ltd. and rank equal in right of payment with all of its existing and future senior indebtedness (including all borrowings under the 7.125% Senior Notes, the 7.500% Senior Notes, the 8.750% Senior Notes and the 3.125% Convertible Senior Notes) and rank effectively junior in right of payment to all of its existing and future secured indebtedness (including all borrowings under the Facility). The 7.750% Senior Notes are guaranteed on a senior, unsecured basis by certain subsidiaries owning the Company's Gulf of America assets, and on a subordinated, unsecured basis by certain subsidiaries that borrow under, or guarantee, the Facility and that guarantee the 7.125% Senior Notes, the 7.500% Senior Notes, the 8.750% Senior Notes and the 3.125% Convertible Senior Notes. On September 24, 2024, the Company completed the repurchase of an aggregate principal amount of $50.0 million of the 7.750% Senior Notes pursuant to the Tender Offers. The 7.750% Senior Notes contain customary cross default provisions.
    7.500% Senior Notes due 2028
    In March 2021, the Company issued $450.0 million of 7.500% Senior Notes and received net proceeds of approximately $444.4 million after deducting fees.
    The 7.500% Senior Notes mature on March 1, 2028. Interest is payable in arrears each March 1 and September 1, commencing on September 1, 2021. The 7.500% Senior Notes are senior, unsecured obligations of Kosmos Energy Ltd. and rank equal in right of payment with all of its existing and future senior indebtedness (including all borrowings under the 7.125% Senior Notes, the 7.750% Senior Notes, the 8.750% Senior Notes and the 3.125% Convertible Senior Notes) and rank effectively junior in right of payment to all of its existing and future secured indebtedness (including all borrowings under the Facility). The 7.500% Senior Notes are guaranteed on a senior, unsecured basis by certain subsidiaries owning the Company's Gulf of America assets, and on a subordinated, unsecured basis by certain subsidiaries that borrow under, or guarantee, the Facility and that guarantee the 7.125% Senior Notes, the 7.750% Senior Notes, the 8.750% Senior Notes and the 3.125% Convertible Senior Notes. On September 24, 2024, the Company completed the repurchase of an aggregate principal amount of approximately $49.7 million of the 7.500% Senior Notes pursuant to the Tender Offers. The 7.500% Senior Notes contain customary cross default provisions.
    8.750% Senior Notes due 2031
    In September 2024, the Company issued $500.0 million of 8.750% Senior Notes (the “8.750% Senior Notes”) and received net proceeds of approximately $494.9 million after deducting fees.
    The 8.750% Senior Notes mature on October 1, 2031. Interest is payable in arrears each April 1 and October 1, commencing on April 1, 2025. The 8.750% Senior Notes are senior, unsecured obligations of Kosmos Energy Ltd. and rank equal in right of payment with all of its existing and future senior indebtedness (including all borrowings under the 7.125% Senior Notes, the 7.750% Senior Notes, the 7.500% Senior Notes and the 3.125% Convertible Senior Notes) and rank effectively junior in right of payment to all of its existing and future secured indebtedness (including all borrowings under the Facility). The 8.750% Senior Notes are guaranteed on a senior, unsecured basis by certain subsidiaries owning the Company’s Gulf of America assets and on a subordinated, unsecured basis by certain subsidiaries that borrow under, or guarantee, the Facility and that guarantee the 7.125% Senior Notes, the 7.750% Senior Notes, the 7.500% Senior Notes and the 3.125% Convertible Senior Notes. The 8.750% Senior Notes contain customary cross default provisions.
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    3.125% Convertible Senior Notes due 2030
    In March 2024, the Company issued $400.0 million of 3.125% Convertible Senior Notes (the “3.125% Convertible Senior Notes”) and received net proceeds of $390.4 million after deducting fees.
    The 3.125% Convertible Senior Notes mature on March 15, 2030, unless earlier converted, redeemed or repurchased. Interest is payable in arrears each March 15 and September 15, commencing September 15, 2024. The 3.125% Convertible Senior Notes are senior, unsecured obligations of Kosmos Energy Ltd. and rank equal in right of payment with all of its existing and future senior indebtedness (including all borrowings under the 7.125% Senior Notes, the 7.750% Senior Notes, the 7.500% Senior Notes and the 8.750% Senior Notes) and rank effectively junior in right of payment to all of its existing and future secured indebtedness (including all borrowings under the Facility, to the extent of the value of the assets securing such indebtedness). The 3.125% Convertible Senior Notes are guaranteed on a senior, unsecured basis by certain of our existing subsidiaries that guarantee on a senior basis the 7.125% Senior Notes, the 7.750% Senior Notes, the 7.500% Senior Notes and the 8.750% Senior Notes, and, in certain circumstances, certain of our other existing or future subsidiaries. The 3.125% Convertible Senior Notes are guaranteed on a subordinated, unsecured basis by certain of our existing subsidiaries that borrow under or guarantee the Facility and guarantee on a subordinated basis the 7.125% Senior Notes, the 7.750% Senior Notes, the 7.500% Senior Notes and the 8.750% Senior Notes, and, in certain circumstances, certain of our other existing or future subsidiaries.
    The 3.125% Convertible Senior Notes indenture contains customary terms and covenants.
    The Company recorded the 3.125% Convertible Senior Notes, including the debt itself and all embedded derivatives, at cost less debt issuance costs of $9.6 million and has presented the 3.125% Convertible Senior Notes as a single financial instrument in Long-term debt, net in our consolidated balance sheet. No portion of the embedded derivatives required bifurcation from the host debt contract. As of March 31, 2025, the effective annual interest rate on the 3.125% Convertible Senior Notes is approximately 3.70%, including amortization of debt issuance costs.
    Capped Call Transactions
    In connection with the issuance of the 3.125% Convertible Senior Notes, the Company used $49.8 million of the net proceeds from the issuance of the 3.125% Convertible Senior Notes to enter into capped call transactions (the “Capped Call Transactions”). The Capped Call Transactions are generally expected to reduce potential dilution to holders of our common stock upon any conversion of the 3.125% Convertible Senior Notes and/or offset any cash payments that we are required to make in excess of the principal amount of any 3.125% Convertible Senior Notes that are converted, as the case may be, with such reduction and/or offset subject to a cap.
    The Capped Call Transactions qualify for a derivative scope exception as they are indexed to our common stock and are not required to be accounted for as a separate derivative. Consequently, the Capped Call Transactions have been included as a net reduction to additional-paid-in-capital within stockholders’ equity in our consolidated balance sheet and do not require subsequent remeasurement.
    Principal Debt Repayments

    At March 31, 2025, the estimated repayments of debt during the five fiscal year periods and thereafter are as follows: 
     Payments Due by Year
     Total2025(2)2026202720282029Thereafter
     (In thousands)
    Principal debt repayments(1)$2,900,274 $— $250,000 $356,359 $839,960 $553,955 $900,000 
    __________________________________
    (1)Includes the scheduled maturities for outstanding principal debt balances. The scheduled maturities of debt related to the Facility as of March 31, 2025 are based on our level of borrowings and our estimated future available borrowing base commitment levels in future periods. Any increases or decreases in the level of borrowings or increases or decreases in the available borrowing base would impact the scheduled maturities of debt during the next five years and thereafter.
    (2)Represents payments for the period April 1, 2025 through December 31, 2025.

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    Interest and other financing costs, net
     
    Interest and other financing costs, net incurred during the periods is comprised of the following:
     
     Three Months Ended March 31,
     20252024
     (In thousands)
    Interest expense$55,846 $54,769 
    Amortization—deferred financing costs1,884 2,399 
    Capitalized interest (4,193)(42,401)
    Deferred interest (2,042)(1,972)
    Interest income (8,096)(4,641)
    Other, net8,443 8,294 
    Interest and other financing costs, net $51,842 $16,448 

    Cash payments for interest totaled $22.6 million and $30.4 million for the three months ended March 31, 2025 and 2024, respectively. Capitalized interest totaled $4.2 million and $42.4 million for the three months ended March 31, 2025 and 2024, respectively. The decrease in capitalized interest during the three months ended March 31, 2025 as compared to the three months ended March 31, 2024 is primarily due to the achievement of first gas production on the GTA Phase 1 project on December 31, 2024, after which we no longer capitalize interest on the project.

    7. Derivative Financial Instruments
     
    We use financial derivative contracts to manage exposures to commodity price and interest rate fluctuations. We do not hold or issue derivative financial instruments for trading purposes.
     
    We manage market and counterparty credit risk in accordance with our policies and guidelines. In accordance with these policies and guidelines, our management determines the appropriate timing and extent of derivative transactions. We have included an estimate of non-performance risk in the fair value measurement of our derivative contracts as required by ASC 820 — Fair Value Measurement.
     
    Oil Derivative Contracts
     
    The following table sets forth the volumes in barrels underlying the Company’s outstanding oil derivative contracts and the weighted average prices per Bbl for those contracts as of March 31, 2025. Volumes and weighted average prices are net of any offsetting derivative contracts entered into.
       Weighted Average Price per Bbl
       Net Deferred    
       Premium    
    Payable/Sold
    TermType of ContractIndexMBbl(Receivable)SwapPutFloorCeiling
    2025:
    Apr - Jun
    Two-way collars
    Dated Brent1,000 $0.50 $— $— $70.00 $85.00 
    Apr - Jun
    Swaps
    Dated Brent
    1,000 — 75.48 — — — 
    Apr - Dec
    Two-way collars
    Dated Brent
    1,500 1.00— — 70.00 85.00 
    Apr - Dec
    Three-way collars
    Dated Brent
    1,500 1.13 — 55.00 70.00 85.00 
    __________________________________
    In May 2025, we entered into Dated Brent two-way collar contracts for 2.0 MMBbl from July 2025 through December 2025 with a floor price of $55.00 per barrel and a ceiling price of $70.00 per barrel.
    Interest Rate Derivative Contracts
     
    The following table summarizes our open interest rate swaps whereby we pay a fixed rate of interest and the counterparty pays a variable SOFR-based rate as of March 31, 2025:

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    Weighted Average
    Term
    Type of Contract
    Floating Rate
    Notional
    Fixed Rate
    (In Thousands)
    Apr - Dec 2025
    Swap
    1-Month TERM SOFR
    $500,000 3.645 %
    The following tables disclose the Company’s derivative instruments as of March 31, 2025 and December 31, 2024, and gain/(loss) from derivatives during the three months ended March 31, 2025 and 2024, respectively:
     
      Estimated Fair Value
      Asset (Liability)
    Type of Contract Balance Sheet LocationMarch 31,
    2025
    December 31,
    2024
      (In thousands)
    Derivatives not designated as hedging instruments:   
    Derivative assets:   
    CommodityDerivatives assets—current$2,245 $6,714 
    Provisional oil salesReceivables: Oil and gas sales— 2,242 
    Interest rate Derivatives assets—current1,345 2,202 
    CommodityDerivatives assets—long-term— 512 
    Total derivatives not designated as hedging instruments  $3,590 $11,670 

      Amount of Gain/(Loss)
      Three Months Ended
      March 31,
    Type of ContractLocation of Gain/(Loss)20252024
      (In thousands)
    Derivatives not designated as hedging instruments:
       
    Provisional oil salesOil and gas revenue$(827)$(3,188)
    CommodityDerivatives, net$(6,732)$(23,822)
    Interest rate
    Interest expense
    (27)— 
    Total derivatives not designated as hedging instruments
     $(7,586)$(27,010)

    Offsetting of Derivative Assets and Derivative Liabilities
     
    Our derivative instruments which are subject to master netting arrangements with our counterparties only have the right of offset when there is an event of default. As of March 31, 2025 and December 31, 2024, there was not an event of default and, therefore, the associated gross asset or gross liability amounts related to these arrangements are presented on the consolidated balance sheets.

    8. Fair Value Measurements
     
    In accordance with ASC 820 — Fair Value Measurement, fair value measurements are based upon inputs that market participants use in pricing an asset or liability, which are classified into two categories: observable inputs and unobservable inputs. Observable inputs represent market data obtained from independent sources, whereas unobservable inputs reflect a company’s own market assumptions, which are used if observable inputs are not reasonably available without undue cost and effort. We prioritize the inputs used in measuring fair value into the following fair value hierarchy:
     
    •Level 1 — quoted prices for identical assets or liabilities in active markets.
    •Level 2 — quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability and inputs derived principally from or corroborated by observable market data by correlation or other means.
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    •Level 3 — unobservable inputs for the asset or liability. The fair value input hierarchy level to which an asset or liability measurement in its entirety falls is determined based on the lowest level input that is significant to the measurement in its entirety.

    The following tables present the Company’s assets and liabilities that are measured at fair value on a recurring basis as of March 31, 2025 and December 31, 2024, for each fair value hierarchy level: 
     Fair Value Measurements Using:
     Quoted Prices in   
     Active Markets forSignificant OtherSignificant 
     Identical AssetsObservable InputsUnobservable Inputs 
     (Level 1)(Level 2)(Level 3)Total
     (In thousands)
    March 31, 2025    
    Assets:    
    Commodity derivatives $— $2,245 $— $2,245 
    Interest rate derivatives— 1,345 — 1,345 
    Decommissioning trust fund:
    Debt securities— 22,968 — 22,968 
    Liabilities:
    Total $— $26,558 $— $26,558 
    December 31, 2024
    Assets:
    Commodity derivatives $— $7,226 $— $7,226 
    Provisional oil sales— 2,242 — 2,242 
    Interest rate derivatives— 2,202 — 2,202 
    Decommissioning trust fund:
    Debt securities— 10,653 — 10,653 
    Total $— $22,323 $— $22,323 
     
    The book values of cash and cash equivalents and restricted cash approximate fair value based on Level 1 inputs. Joint interest billings, oil and gas sales and other receivables, and accounts payable and accrued liabilities approximate fair value due to the short-term nature of these instruments. Our long-term receivables, after any allowances for credit losses, and other long-term assets approximate fair value. The estimates of fair value of these items are based on Level 2 inputs.
     
    Commodity Derivatives
     
    Our commodity derivatives represent crude oil collars, put options and call options for notional barrels of oil at fixed Dated Brent oil prices. The values attributable to our oil derivatives are based on (i) the contracted notional volumes, (ii) independent active futures price quotes for the respective index, (iii) a credit-adjusted yield curve applicable to each counterparty by reference to the credit default swap (“CDS”) market and (iv) an independently sourced estimate of volatility for the respective index. The volatility estimate was provided by certain independent brokers who are active in buying and selling oil options and was corroborated by market-quoted volatility factors. The deferred premium is included in the fair market value of the commodity derivatives. See Note 7 — Derivative Financial Instruments for additional information regarding the Company’s derivative instruments.
     
    Provisional Oil Sales
     
    The value attributable to provisional oil sales derivatives is based on (i) the sales volumes and (ii) the difference in the independent active futures price quotes for the respective index over the term of the pricing period designated in the sales contract and the spot price on the lifting date.



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    Interest Rate Derivatives

    Our interest rate derivatives consist of interest rate swaps, whereby the Company pays a fixed rate of interest and the counterparty pays a variable SOFR-based rate. The values attributable to the Company’s interest rate derivative contracts are based on (i) the contracted notional amounts, (ii) SOFR yield curves provided by independent third parties and corroborated with forward active market-quoted SOFR yield curves and (iii) a credit-adjusted yield curve as applicable to each counterparty by reference to the CDS market.

    Decommissioning Trust Fund

    In April 2024, a decommissioning trust agreement with the Jubilee unit partners to cash fund future retirement costs associated with the Jubilee Field was finalized. Each partner will contribute annually to the trust in proportion to its respective paying interest of the estimated future dismantlement, abandonment and restoration costs associated with the decommissioning of the Jubilee Field. Contributions to the trust are used by the trustee of the fund, the Bank of Ghana, to purchase and sell authorized securities at the direction of the Jubilee unit partners.

    As of March 31, 2025, the investments held in the decommissioning trust fund are US Treasury debt securities. We have classified the investments as trading securities and recorded such investments at fair market value as a long-term investment in our consolidated balance sheet using observable inputs including Kosmos’ share of the fund and broker/dealer bid/ask prices of the investments held by the fund at March 31, 2025. Contributions made to the decommissioning trust are reported as investing activities in our consolidated cash flows. All realized and unrealized gains and losses resulting from the sales and maturities or changes in fair value of the securities are recognized in Other income, net. During the quarter ended March 31, 2025, we contributed $11.5 million to the decommissioning trust fund.

    The following table summarizes the cost and fair value for Kosmos’ portion of the investments in debt securities held by the decommissioning trust at March 31, 2025 and 2024:
    Type of Security
    Cost
    Gross Unrealized Gain
    Gross Unrealized Loss
    Estimated Fair Value
    (In thousands)
    March 31, 2025
    Debt securities
    $22,914 $54 $— $22,968 
    Cash and cash equivalents
    4 — — 4 
    Other(1)
    245 — — 245 
    Total
    $23,163 $54 $— $23,217 
    March 31, 2024
    Debt securities
    $— $— $— $— 
    Cash and cash equivalents
    — — — — 
    Other(1)
    — — — — 
    Total
    $— $— $— $— 

    (1)    Represents net receivables relating to interest.

    The following table presents the costs and fair values of investments in debt securities held in the decommissioning trust fund according to the contractual maturities at March 31, 2025 and December 31, 2024:

    March 31, 2025December 31, 2024
    Cost
    Estimated Fair Value
    Cost
    Estimated Fair Value
    (In thousands)
    Less than 5 years
    $22,914 $22,968 $10,708 $10,653 
    5 years to 10 years
    — — — — 
    Due after 10 years
    — — — — 
    Total
    $22,914 $22,968 $10,708 $10,653 

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    Debt
     
    The following table presents the carrying values and fair values at March 31, 2025 and December 31, 2024:
     
     March 31, 2025December 31, 2024
     Carrying ValueFair ValueCarrying ValueFair Value
     (In thousands)
    7.125% Senior Notes
    $249,446 $248,082 $249,315 $246,565 
    7.750% Senior Notes
    348,116 337,656 347,910 339,927 
    7.500% Senior Notes
    397,855 377,598 397,672 379,404 
    8.750% Senior Notes
    495,134 464,785 494,997 470,965 
    3.125% Convertible Senior Notes
    391,972 306,976 391,603 332,792 
    Facility1,000,000 1,000,000 900,000 900,000 
    Total$2,882,523 $2,735,097 $2,781,497 $2,669,653 
     
    The carrying values of our 7.125% Senior Notes, 7.750% Senior Notes, 7.500% Senior Notes, 8.750% Senior Notes and 3.125% Convertible Senior Notes represent the principal amounts outstanding less unamortized discounts. The fair values of our 7.125% Senior Notes, 7.750% Senior Notes, 7.500% Senior Notes, 8.750% Senior Notes and 3.125% Convertible Senior Notes are based on quoted market prices, which results in a Level 1 fair value measurement. The carrying value of the Facility approximates fair value since they are subject to short-term floating interest rates that approximate the rates available to us for those periods.

    Nonrecurring Fair Value Measurements - Long-lived assets

    Certain long-lived assets are reported at fair value on a non-recurring basis on the Company's consolidated balance sheet. These long-lived assets are not measured at fair value on an ongoing basis but are subject to fair value adjustments in certain circumstances. Our long-lived assets are reviewed for impairment when changes in circumstances indicate that the carrying amount of an asset may not be recoverable.

    The Company calculates the estimated fair values of its long-lived assets using the income approach described in the ASC 820 — Fair Value Measurements. Significant inputs associated with the calculation of estimated discounted future net cash flows include anticipated future production, pricing estimates, capital and operating costs, market-based weighted average cost of capital, and risk adjustment factors applied to reserves. These are classified as Level 3 fair value assumptions. The Company utilizes an average of third-party industry forecasts of Dated Brent, adjusted for location and quality differentials, to determine our pricing assumptions. In order to evaluate the sensitivity of the assumptions, we analyze sensitivities to prices, production, and risk adjustment factors.

    During the three months ended March 31, 2025 and 2024, the Company did not recognize impairment of proved oil and gas properties. If we experience material declines in oil pricing expectations in the future, significant increases in our estimated future expenditures or a significant decrease in our estimated production profile, our long-lived assets could be at risk of impairment.
     
    9. Equity-based Compensation
     
    Restricted Stock Units
     
    We record equity-based compensation expense equal to the fair value of share-based payments over the vesting periods of the LTIP awards. We recorded compensation expense from awards granted under our LTIP of $8.4 million and $7.3 million during the three months ended March 31, 2025 and 2024, respectively. The total tax benefit for the three months ended March 31, 2025 and 2024 was $1.4 million and $1.1 million, respectively. Additionally, we recorded a net tax shortfall (windfall) related to equity-based compensation of $3.1 million and $(9.6) million for the three months ended March 31, 2025 and 2024, respectively. The fair value of awards vested during the three months ended March 31, 2025 and 2024 was $19.1 million and $80.2 million, respectively. The Company granted restricted stock units with service vesting criteria and a combination of market and service vesting criteria under the LTIP. Substantially all of these grants vest over three years. Upon vesting, restricted stock units become issued and outstanding stock.

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    For restricted stock units with a combination of market and service vesting criteria, the number of common shares to be issued is determined by comparing the Company’s total shareholder return with the total shareholder return of a predetermined group of peer companies over the performance period and can vest in up to 200% of the awards granted. The grant date fair value ranged from $3.91 to $13.06 per award. The Monte Carlo simulation model utilized multiple input variables that determined the probability of satisfying the market condition stipulated in the award grant and calculated the fair value of the award. The expected volatility utilized in the model was estimated using our historical volatility and the historical volatilities of our peer companies and ranged from 58.0% to 105.0%. The risk-free interest rate was based on the U.S. treasury rate for a term commensurate with the expected life of the grant and ranged from 0.2% to 4.2%.

    The following table reflects the outstanding restricted stock units as of March 31, 2025:
     
      Weighted-Market / ServiceWeighted-
     Service VestingAverageVestingAverage
     Restricted StockGrant-DateRestricted StockGrant-Date
     UnitsFair ValueUnitsFair Value
     (In thousands) (In thousands) 
    Outstanding at December 31, 20244,753 $6.36 8,766 $9.07 
    Granted(1)2,473 3.66 3,894 4.96 
    Forfeited(1)(95)5.60 (46)8.36 
    Vested(2,042)6.09 (3,968)6.89 
    Outstanding at March 31, 20255,089 5.17 8,646 8.43 
    __________________________________
    (1)The restricted stock units with a combination of market and service vesting criteria may vest between 0% and 200% of the originally granted units depending upon market performance conditions. Awards vesting over or under target shares of 100% results in additional shares granted or forfeited, respectively, in the period the market vesting criteria is determined.
     
    As of March 31, 2025, total equity-based compensation to be recognized on unvested restricted stock units is $42.1 million over a weighted average period of 2.03 years. At March 31, 2025, the Company had approximately 4.2 million shares that remain available for issuance under the LTIP.
     
    10. Income Taxes

    We evaluate our estimated annual effective income tax rate each quarter, based on current and forecasted business results and enacted tax laws, and apply this tax rate to our ordinary income or loss to calculate our estimated tax expense or benefit. The Company excludes zero statutory tax rate and tax-exempt jurisdictions from our evaluation of the estimated annual effective income tax rate. The tax effect of discrete items are recognized in the period in which they occur at the applicable statutory tax rate.

    Income before income taxes is composed of the following:
     
     Three Months Ended March 31,
     20252024
     (In thousands)
    United States$(60,770)$(34,412)
    Foreign(33,261)176,381 
    Income before income taxes$(94,031)$141,969 
     
    For the three months ended, March 31, 2025 and 2024, our effective tax rate was (18%) and 35%, respectively. For the three months ended March 31, 2025 and 2024, our overall effective tax rates were impacted by:

    •The difference in our 21% U.S. income tax reporting rate and the statutory income tax rates applicable to our foreign operations, primarily in Ghana and Equatorial Guinea,
    •Jurisdictions that have a 0% statutory tax rate or that are tax exempt,
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    •Jurisdictions where we have incurred losses and have recorded valuation allowances against the corresponding deferred tax assets, and
    •Other non-deductible expenses.

    11. Net Income (Loss) Per Share
     
    The following table is a reconciliation between net income (loss) and the amounts used to compute basic and diluted net income (loss) per share and the weighted average shares outstanding used to compute basic and diluted net income (loss) per share. Potentially dilutive securities include shares issuable upon conversion of our 3.125% Convertible Senior Notes using the if-converted method and restricted stock units awards under our equity-based compensation plan.
     Three Months Ended
     March 31,
     20252024
    (In thousands, except per share data)
    Numerator:  
    Net income (loss) allocable to common stockholders$(110,606)$91,686 
    Denominator:
    Weighted average number of shares outstanding:
    Basic 475,681 468,042 
    Restricted stock units(1)— 14,054 
    Shares issuable assuming conversion of 3.125% Convertible Senior Notes(2)
    — — 
    Diluted 475,681 482,096 
    Net income (loss) per share:
    Basic $(0.23)$0.20 
    Diluted $(0.23)$0.19 
    __________________________________
    (1)We excluded restricted stock units of 7.9 million and 3.8 million for the three months ended March 31, 2025 and 2024 from the computations of diluted net income (loss) per share because the effect would have been anti-dilutive.
    (2)Represents the dilutive impact for the Company’s 3.125% Convertible Senior Notes due 2030. As of March 31, 2025, the if-converted value is less than the outstanding principal of the 3.125% Convertible Senior Notes and therefore anti-dilutive. The 3.125% Convertible Senior Notes are subject to a capped call arrangement that potentially reduces the dilutive effect. Any potential impact of the capped call arrangement is excluded from this table as any proceeds under the capped call arrangement are considered anti-dilutive.

    12. Commitments and Contingencies
     
    From time to time, we are involved in litigation, regulatory examinations and administrative proceedings primarily arising in the ordinary course of our business in jurisdictions in which we do business. Although the outcome of these matters cannot be predicted with certainty, management believes none of these matters, either individually or in the aggregate, would have a material effect upon the Company’s financial position; however, an unfavorable outcome could have a material adverse effect on our results from operations for a specific interim period or year.
     
    As of March 31, 2025, we have a commitment to drill one development well in Equatorial Guinea.

    In February 2019, Kosmos and BP signed Carry Advance Agreements with the national oil companies of Mauritania and Senegal, which obligate us separately to finance the respective national oil companies’ share of certain development and production costs incurred for the GTA Phase 1 project. Kosmos’ total share for the two agreements combined is currently estimated at approximately $370.0 million, of which $312.7 million has been incurred through March 31, 2025, excluding accrued interest.

    In April 2024, a decommissioning trust agreement with the Jubilee unit partners to cash fund future retirement costs associated with the Jubilee Field was finalized. The operator currently estimates the total remaining commitment to be approximately $126.1 million as of March 31, 2025, net to Kosmos, which will be funded annually by Kosmos over an estimated 11 year period.
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    Performance Obligations

    As of March 31, 2025 and December 31, 2024, the Company had performance and supplemental bonds totaling $156.2 million and $169.4 million, respectively, related to bonding requirements stipulated by the BOEM and other third parties for anticipated plugging and abandonment costs of certain wells and the removal of certain facilities in our Gulf of America fields.

    We have a commitment to our buyer under the Tortue Phase 1 SPA, BP Gas Marketing Limited, to deliver our proportionate share of a minimum annual contract quantity of LNG of 127,951,000 MMBtu, which is equivalent to approximately 2.45 million tonnes per annum, subject to certain downward adjustments by the sellers. Under certain circumstances, in the event the annual quantities provided are lower than the minimum annual contract quantity, Kosmos may be obligated to credit or pay a portion of the Contract Price to BP Gas Marketing Limited for the shortfall volumes.


    13. Additional Financial Information
     
    Accrued Liabilities
     
    Accrued liabilities consisted of the following: 
     March 31,
    2025
    December 31,
    2024
     (In thousands)
    Accrued liabilities:  
    Exploration, development and production$67,936 $78,163 
    Revenue payable19,300 18,909 
    Current asset retirement obligations— 125 
    General and administrative expenses9,043 39,071 
    Interest87,417 47,228 
    Income taxes21,533 52,262 
    Taxes other than income1,028 1,222 
    Derivatives167 844 
    Other8,195 7,130 
     $214,619 $244,954 

    Asset Retirement Obligations
     
    The following table summarizes the changes in the Company's asset retirement obligations as of and during the three months ended March 31, 2025:
     March 31,
    2025
     (In thousands)
    Asset retirement obligations: 
    Beginning asset retirement obligations$407,011 
    Liabilities incurred during period— 
    Liabilities settled during period(220)
    Revisions in estimated retirement obligations94 
    Accretion expense9,011 
    Ending asset retirement obligations$415,896 




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    14. Business Segment Information

    Kosmos is engaged in a single line of business, which is the exploration, development and production of oil and gas. At March 31, 2025, the Company had operations in four geographic reporting segments: Ghana, Equatorial Guinea, Mauritania/Senegal and the Gulf of America. The Company’s Chief Operating Decision Maker (“CODM”) is the Chief Executive Officer, who makes decisions about allocating resources and assessing performance for the entire company. To assess performance of the reporting segments, the CODM regularly reviews oil and gas revenues, oil and gas production costs, exploration expenses and capital expenditures by reporting segment in deciding how to allocate resources and in assessing performance. Capital expenditures, as defined by the Company, may not be comparable to similarly titled measures used by other companies and should be considered in conjunction with our consolidated financial statements and notes thereto. Financial information for each area is presented below:
    GhanaEquatorial GuineaMauritania/Senegal
    Gulf of America
    Corporate & OtherEliminationsTotal
    (In thousands)
    Three months ended March 31, 2025
    Revenues and other income:
    Oil and gas revenue $151,253 $34,407 $2,697 $101,778 $— $— $290,135 
    Other income, net 252 — — 490 46,790 (47,236)296 
    Total revenues and other income 151,505 34,407 2,697 102,268 46,790 (47,236)290,431 
    Costs and expenses:
    Oil and gas production 41,310 16,978 58,101 50,919 — — 167,308 
    Exploration expenses 45 2,361 1,618 4,495 1,150 — 9,669 
    General and administrative 3,285 1,821 2,528 5,184 53,941 (40,504)26,255 
    Depletion, depreciation and amortization44,817 15,100 2,917 57,675 158 — 120,667 
    Interest and other financing costs, net(1)11,141 (67)(1,014)(2,020)43,802 — 51,842 
    Derivatives, net — — — — 6,732 — 6,732 
    Other expenses, net 5,196 1,526 715 1,347 (63)(6,732)1,989 
    Total costs and expenses 105,794 37,719 64,865 117,600 105,720 (47,236)384,462 
    Income (loss) before income taxes45,711 (3,312)(62,168)(15,332)(58,930)— (94,031)
    Income tax expense (benefit)
    16,676 (601)— (111)611 — 16,575 
    Net income (loss)$29,035 $(2,711)$(62,168)$(15,221)$(59,541)$— $(110,606)
    Consolidated capital expenditures, net$18,958 $(1,357)$49,013 $18,331 $1,243 $— $86,188 
    As of March 31, 2025
    Property and equipment, net$963,977 $466,204 $2,105,186 $861,330 $16,359 $— $4,413,056 
    Total assets$3,652,535 $2,470,169 $3,231,623 $4,101,688 $26,285,260 $(34,471,861)$5,269,414 
    ______________________________________
    (1)Interest expense is recorded based on actual third-party and intercompany debt agreements. Capitalized interest is recorded on the business unit where the assets reside.

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    Ghana
    Equatorial GuineaMauritania/Senegal
    Gulf of America
    Corporate & OtherEliminationsTotal
    (In thousands)
    Three months ended March 31, 2024
    Revenues and other income:
    Oil and gas revenue $252,144 $79,535 $— $87,424 $— $— $419,103 
    Other income, net — — — 510 65,742 (66,216)36 
    Total revenues and other income 252,144 79,535 — 87,934 65,742 (66,216)419,139 
    Costs and expenses:
    Oil and gas production 18,047 41,025 — 34,546 — — 93,618 
    Exploration expenses (59)1,186 5,176 4,887 870 — 12,060 
    General and administrative 3,589 1,541 3,165 5,858 56,506 (42,394)28,265 
    Depletion, depreciation and amortization 48,288 14,594 223 37,458 365 — 100,928 
    Interest and other financing costs, net(1)13,268 (795)(35,832)(4,092)43,899 — 16,448 
    Derivatives, net — — — — 23,822 — 23,822 
    Other expenses, net 23,839 (3)1,603 306 106 (23,822)2,029 
    Total costs and expenses 106,972 57,548 (25,665)78,963 125,568 (66,216)277,170 
    Income (loss) before income taxes145,172 21,987 25,665 8,971 (59,826)— 141,969 
    Income tax expense (benefit)
    43,545 8,426 — 80 (1,768)— 50,283 
    Net income (loss)$101,627 $13,561 $25,665 $8,891 $(58,058)$— $91,686 
    Consolidated capital expenditures, net$64,476 $44,618 $126,574 $49,280 $1,279 $— $286,227 
    As of March 31, 2024
    Property and equipment, net$1,059,280 $456,066 $1,947,602 $908,568 $17,888 $— $4,389,404 
    Total assets$3,568,629 $2,057,562 $2,836,943 $4,006,872 $24,075,457 $(31,195,332)$5,350,131 
    ______________________________________
    (1)Interest expense is recorded based on actual third-party and intercompany debt agreements. Capitalized interest is recorded on the business unit where the assets reside.
    Three Months Ended March 31,
    20252024
    (In thousands)
    Consolidated capital expenditures:
    Consolidated Statements of Cash Flows - Investing activities:
    Oil and gas assets$90,245 $314,822 
    Adjustments:
    Changes in capital accruals(7,852)(2,148)
    Exploration expense, excluding unsuccessful well costs and leasehold impairments(1)7,766 11,594 
    Capitalized interest(4,193)(42,401)
    Other222 4,360 
    Total consolidated capital expenditures, net$86,188 $286,227 
    ______________________________________
    (1)Costs related to unsuccessful exploratory wells and leaseholds that are subsequently written off to Exploration expense are included in oil and gas assets when incurred.


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    Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations
     
    The following discussion and analysis should be read in conjunction with our consolidated financial statements and notes thereto contained herein and our annual financial statements for the year ended December 31, 2024, included in our annual report on Form 10-K along with the section Management’s Discussion and Analysis of financial condition and Results of Operations contained in such annual report. Any terms used but not defined in the following discussion have the same meaning given to them in the annual report. Our discussion and analysis includes forward-looking statements that involve risks and uncertainties and should be read in conjunction with “Risk Factors” under Item 1A of this report and in the annual report, along with “Forward-Looking Information” at the end of this section for information about the risks and uncertainties that could cause our actual results to be materially different than our forward-looking statements.
     
    Overview
     
    Kosmos Energy is a leading deepwater exploration and production company focused on meeting the world’s growing demand for energy. We have diversified oil and gas production from assets offshore Ghana, Equatorial Guinea, Mauritania, Senegal and the Gulf of America. Additionally, in the proven basins where we operate we are advancing high-quality development opportunities, which have come from our exploration success.

    Recent Developments

    Corporate

    In March 2025, during the Spring 2025 redetermination, the Company’s lending syndicate approved a borrowing base at the full Facility size of $1.35 billion.

    Ghana
     
    During the first quarter of 2025, Ghana production averaged approximately 99,300 Boepd gross (33,000 Boepd net), including the partial impact on the quarter of the two week scheduled shutdown of the Jubilee FPSO.

    The partnership completed a new 4D seismic survey on the Jubilee and TEN Fields during the first quarter of 2025 with processing currently underway. In December 2024, Tullow as the operator, entered into a drilling rig contract for the next development drilling campaign in the Jubilee Field, which is expected to commence in the second quarter of 2025. The campaign is planned to include the drilling and completion of two in-fill wells in the Jubilee Field in 2025 and a planned four-well drilling campaign in the Jubilee Field in 2026.

    Gulf of America

    Production from the Gulf of America averaged approximately 17,200 Boepd net (~85% oil) for the first quarter of 2025, including the impact of the one month scheduled shutdown at Devils Tower, the host facility for the Kodiak field.

    In July 2024, we announced start-up of oil production from the first phase of the Winterfell development in the Green Canyon area of the Gulf of America (25% working interest). In October 2024, shortly after startup of the third well, production at the field was curtailed due to sand production from the third well seen at the production facility. Production from the first two wells was restored in December 2024. Remediation work on Winterfell-3 was performed in the first quarter of 2025, however was unsuccessful. Winterfell-3 has now been temporarily plugged and abandoned while the partnership evaluates options to restore production from the Winterfell-3 fault block. The drilling rig has moved to drill and complete Winterfell-4, commencing the second phase of the Winterfell development project. Winterfell-4 is expected online in the third quarter of 2025.
    Equatorial Guinea
        
    Production in Equatorial Guinea averaged approximately 25,700 Bopd gross (9,000 Bopd net) in the first quarter of 2025.

    In the fourth quarter of 2024, the corporate tax rate in Equatorial Guinea was reduced from 35% to 25%, with an effective date of January 1, 2025.

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    Mauritania and Senegal

    Greater Tortue Ahmeyim Project

    Production in Mauritania and Senegal averaged approximately 5,100 Boepd gross (1,300 Boepd net) in the first quarter of 2025, as production from the GTA field was ramping up.

    The Greater Tortue Ahmeyim (GTA) liquified natural gas (LNG) project achieved first gas production from the subsea system to the FPSO on December 31, 2024. First LNG was achieved in February 2025 and the partnership expects to achieve the ramp-up to the daily contracted sales volume, equivalent to approximately 2.45 million tonnes per annum, in the second quarter of 2025. The first LNG cargo was successfully completed in April 2025, with the second cargo currently lifting.

    During the first quarter of 2025, low-rate subsea gas bubbles were discovered at the GTA A02 well offshore Mauritania during a planned commissioning test. The well has been capped which stopped the minor release. The A02 well is one of four wells for GTA Phase 1, and ramp-up and commissioning activities at GTA are not expected to be impacted while the A02 well is unavailable. Insurance proceeds are expected to cover a substantial portion of the costs for any repair of the well.
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    Results of Operations
     
    All of our results, as presented in the table below, represent operations from Ghana, Equatorial Guinea, Mauritania, Senegal and the Gulf of America. Certain operating results and statistics for the three months ended March 31, 2025 and 2024 are included in the following tables:
     Three Months Ended March 31,
    20252024
     (In thousands, except per volume data)
    Sales volumes:
    Oil (MBbl)3,659 4,890 
    Gas (MMcf)4,172 4,336 
    NGL (MBbl)91 88 
    Total (MBoe)4,445 5,701 
    Total (Boepd)49,393 62,645 
    Revenues:
    Oil sales$270,405 $402,117 
    Gas sales17,629 15,138 
    NGL sales2,101 1,848 
    Total oil and gas revenue$290,135 $419,103 
    Average oil sales price per Bbl$73.90 $82.23 
    Average gas sales price per Mcf4.23 3.49 
    Average NGL sales price per Bbl23.09 21.00 
    Average total sales price per Boe$65.27 $73.52 
    Costs:
    Oil and gas production, excluding workovers$153,627 $78,885 
    Oil and gas production, workovers13,681 14,733 
    Total oil and gas production costs$167,308 (1)$93,618 
    Depletion, depreciation and amortization$120,667 $100,928 
    Average cost per Boe:
    Oil and gas production, excluding workovers$34.56 $13.84 
    Oil and gas production, workovers3.08 2.58 
    Total oil and gas production costs$37.64 (1)$16.42 
    Depletion, depreciation and amortization27.14 17.70 
    Total$64.78 $34.12 
    (1)Includes $58.1 million related to the LNG production at the GTA Phase 1 project in Mauritania and Senegal. All gas sales in Mauritania and Senegal are LNG sales. First LNG was achieved in February 2025.



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    The following table shows the number of wells in the process of being drilled or in active completion stages, and the number of wells suspended or waiting on completion as of March 31, 2025:
     
     Actively Drilling orWells Suspended or
     CompletingWaiting on Completion
     ExplorationDevelopmentExplorationDevelopment
     GrossNetGrossNetGrossNetGrossNet
    Ghana        
    Jubilee Unit— — — — — — 3 1.16 
    TEN— — — — — — 5 1.02 
    Equatorial Guinea
    Block G
    — — — — — — 1 0.40 
    Gulf of America
    Winterfell(1)
    — — — — 1 0.25 — — 
    Tiberius
    — — — — 1 0.50 — — 
    Mauritania / Senegal        
    Greater Tortue Ahmeyim
    — — — — 1 0.27 — — 
    Senegal Cayar Profond— — — — 3 2.70 — — 
    Total— — — — 6 3.72 9 2.58 
    (1)Includes the Winterfell-4 well which is considered a step out well from an accounting perspective, but is being drilled as part of the Winterfell phased development.

    The discussion of the results of operations and the period-to-period comparisons presented below analyze our historical results. The following discussion may not be indicative of future results.
     
    Three months ended March 31, 2025 compared to three months ended March 31, 2024
     
     Three Months Ended 
     March 31,Increase
     20252024(Decrease)
     (In thousands)
    Revenues and other income:   
    Oil and gas revenue$290,135 $419,103 $(128,968)
    Other income, net296 36 260 
    Total revenues and other income290,431 419,139 (128,708)
    Costs and expenses:   
    Oil and gas production167,308 93,618 73,690 
    Exploration expenses9,669 12,060 (2,391)
    General and administrative26,255 28,265 (2,010)
    Depletion, depreciation and amortization120,667 100,928 19,739 
    Interest and other financing costs, net51,842 16,448 35,394 
    Derivatives, net6,732 23,822 (17,090)
    Other expenses, net1,989 2,029 (40)
    Total costs and expenses384,462 277,170 107,292 
    Income (loss) before income taxes(94,031)141,969 (236,000)
    Income tax expense16,575 50,283 (33,708)
    Net income (loss)$(110,606)$91,686 $(202,292)
     

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    Oil and gas revenue.  Oil and gas revenue decreased by $129.0 million during the three months ended March 31, 2025 as compared to the three months ended March 31, 2024 primarily as a result of lower production at Jubilee, the timing of our oil liftings in Equatorial Guinea and lower average realized oil and gas prices. We sold 4,445 MBoe at an average realized price per barrel equivalent of $65.27 during the three months ended March 31, 2025 and 5,701 MBoe at an average realized price per barrel equivalent of $73.52 during the three months ended March 31, 2024.

    Oil and gas production.  Oil and gas production costs increased by $73.7 million during the three months ended March 31, 2025 as compared to the three months ended March 31, 2024 primarily as a result of the inclusion of operating costs associated with LNG production at the GTA Phase 1 project in Mauritania and Senegal, costs related to the scheduled shutdown and maintenance activities in Ghana, and workovers in the Gulf of America.

    Exploration expenses.  Exploration expenses decreased by $2.4 million during the three months ended March 31, 2025, as compared to the three months ended March 31, 2024 primarily as a result of decreased seismic data acquisition costs in the Gulf of America business unit.

    Depletion, depreciation and amortization.  Depletion, depreciation and amortization increased by $19.7 million during the three months ended March 31, 2025, as compared with the three months ended March 31, 2024 primarily as a result of higher depletion rates per boe across our portfolio as a result of increased cost basis related to the respective development activities in 2024 and increased production in the Gulf of America, partially offset by the lower sales volumes in Ghana and Equatorial Guinea.

    Interest and other financing costs, net. Interest and other financing costs, net increased by $35.4 million during the three months ended March 31, 2025, as compared to the three months ended March 31, 2024 primarily as a result of decreased capitalized interest related to the GTA Phase 1 project commencing first gas production in December 2024.

    Derivatives, net.  During the three months ended March 31, 2025 and 2024, we recorded a loss of $6.7 million and a loss of $23.8 million, respectively, on our outstanding hedge positions. The amounts recorded were a result of changes in the forward oil price curve during the respective periods.

    Income tax expense. For the three months ended March 31, 2025 and 2024, changes to our effective tax rates are driven by which tax jurisdictions our income before income taxes is generated. The jurisdictions in which we operate have statutory tax rates ranging from 0% to 35%.

    Liquidity and Capital Resources
     
    We are actively engaged in an ongoing process of anticipating and meeting our funding requirements related to our strategy as a deepwater exploration and production company. We have historically met our funding requirements through cash flows generated from our operating activities and obtained additional funding from issuances of equity and debt, as well as partner carries.

    Oil prices are historically volatile and could negatively impact our ability to generate sufficient operating cash flows to meet our funding requirements. This oil price volatility could impact our ability to comply with our financial covenants. To partially mitigate this price volatility, we maintain an active hedging program and review our capital spending program on a regular basis. Our investment decisions are based on longer-term commodity prices based on the nature of our projects and development plans. Current commodity prices, combined with our hedging program and our current liquidity position support our remaining capital program for 2025.

    As such, our 2025 capital budget is based on our exploitation and production plans for Ghana, Equatorial Guinea, Mauritania, Senegal and the Gulf of America, and our appraisal and development activities in the Gulf of America, Mauritania and Senegal.

    Our future financial condition and liquidity can be impacted by, among other factors, the success of our exploration, appraisal and exploitation drilling programs, the number of commercially viable oil and natural gas discoveries made and the quantities of oil and natural gas discovered, the speed with which we can bring such discoveries to production, the reliability of our oil and gas production facilities, our ability to continuously export oil and gas, our ability to secure and maintain partners and their alignment with respect to capital plans, the actual cost of exploration, appraisal, exploitation and development of our oil and natural gas assets, and coverage of any claims under our insurance policies.

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    As of March 31, 2025, borrowings under the Facility totaled $1.0 billion and the undrawn availability under the Facility was $350.0 million. In March 2025, during the Spring 2025 redetermination, the Company’s lending syndicate approved a borrowing base at the full Facility size of $1.35 billion.

    Sources and Uses of Cash
     
    The following table presents the sources and uses of our cash and cash equivalents and restricted cash for the three months ended March 31, 2025 and 2024:
     
     Three Months Ended
     March 31,
     20252024
     (In thousands)
    Sources of cash, cash equivalents and restricted cash:  
    Net cash provided by (used in) operating activities$(888)$272,563 
    Net proceeds from issuance of senior notes— 390,430 
    Borrowings under long-term debt 100,000 175,000 
     99,112 837,993 
    Uses of cash, cash equivalents and restricted cash:  
    Oil and gas assets90,245 314,822 
    Notes receivable and other investing activities
    44,048 2,528 
    Payments on long-term debt— 300,000 
    Purchase of capped call transactions— 49,800 
    Other financing costs
    — 11,691 
     134,293 678,841 
    Increase (decrease) in cash, cash equivalents and restricted cash$(35,181)$159,152 
     
    Net cash provided by (used in) operating activities.  Net cash used in operating activities for the three months ended March 31, 2025 was $0.9 million compared with net cash provided by operating activities for the three months ended March 31, 2024 of $272.6 million. The decrease in cash provided by operating activities in the three months ended March 31, 2025 when compared to the same period in 2024 is primarily a result of lower sales volumes in Ghana and Equatorial Guinea, lower average realized oil and gas prices, higher oil and gas production costs related to the inclusion of operating costs associated with LNG production at the GTA Phase 1 project and costs related to the scheduled shutdown and maintenance activities in Ghana and workovers in the Gulf of America for the three months ended March 31, 2025.
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    The following table presents our liquidity and financial position as of March 31, 2025 and December 31, 2024:
     
     March 31, 2025December 31, 2024
     (In thousands)
    Outstanding debt principal balances:
    Facility$1,000,000 $900,000 
    7.125% Senior Notes250,000 250,000 
    7.750% Senior Notes350,000 350,000 
    7.500% Senior Notes400,274 400,274 
    8.750% Senior Notes500,000 500,000 
    3.125% Convertible Senior Notes400,000 400,000 
    Total long-term debt2,900,274 2,800,274 
    Cash and cash equivalents49,791 84,972 
    Total restricted cash
    305 305 
    Net debt$2,850,178 $2,714,997 
     
    Availability under the Facility$350,000 $450,000 
    Available borrowings plus cash and cash equivalents$399,791 $534,972 

    Capital Expenditures and Investments

    We expect to incur capital costs as we:

    •    drill additional infill wells and execute exploitation and production activities in Ghana, Equatorial Guinea and the Gulf of America;

    •    complete development of the first phase of GTA; and

    •    advance appraisal and development efforts for the existing discoveries in the Gulf of America and internationally.

    We have relied on a number of assumptions in budgeting for our future activities. These include the number of wells we plan to drill, our paying interests in our operations including disproportionate payment amounts, the costs involved in developing or participating in the development of a prospect, the timing of third‑party projects, the availability of suitable equipment and qualified personnel and our cash flows from operations. We also evaluate potential corporate and asset acquisition opportunities to support and expand our asset portfolio which may impact our budget assumptions. These assumptions are inherently subject to significant business, political, economic, regulatory, health, environmental and competitive uncertainties, contingencies and risks, all of which are difficult to predict and many of which are beyond our control. We may need to raise additional funds more quickly if market conditions deteriorate, or one or more of our assumptions proves to be incorrect, or if we choose to expand our acquisition, exploration, appraisal, development efforts or any other activity more rapidly than we presently anticipate. We may decide to raise additional funds before we need them if the conditions for raising capital are favorable. We may seek to sell assets, equity or debt securities or obtain additional bank credit facilities. The sale of equity securities could result in dilution to our shareholders. The incurrence of additional indebtedness could result in increased fixed obligations and additional covenants that could restrict our operations.

    2025 Capital Program
    We estimate we will spend $400 million or less of capital for the year ending December 31, 2025, excluding any acquisitions or divestiture of oil and gas properties during the year. This capital expenditure budget consists of:
    •Approximately $275 million related to maintenance activities across our producing Ghana, Equatorial Guinea and Gulf of America assets, including infill development drilling and facilities integrity spend;

    •Approximately $50 million related to the completion of the first phase of the GTA development in Mauritania and Senegal;
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    •Less than $75 million related to progressing our appraisal and development programs in the Gulf of America, Mauritania and Senegal.

    The ultimate amount of capital we will spend may fluctuate materially based on market conditions and the success of our exploitation and drilling results among other factors. Our future financial condition and liquidity will be impacted by, among other factors, our level of production of oil, natural gas and LNG and the prices we receive from the sale of oil, natural gas and LNG, and our ability to effectively hedge future production volumes, the success of our multi-faceted infrastructure-led exploration, appraisal and development drilling programs, the number of commercially viable oil and natural gas discoveries made and the quantities of oil and natural gas discovered, the speed with which we can bring such discoveries to production, our partners’ alignment with respect to capital plans, and the actual cost of exploration, appraisal, exploitation and development of our oil and natural gas assets, and coverage of any claims under our insurance policies.
    Significant Sources of Capital
     
    Facility
     
    The Facility supports our oil and gas exploration, appraisal and development programs and corporate activities. The amount of funds available to be borrowed under the Facility, also known as the borrowing base amount, is determined every March and September. The borrowing base amount is based on the sum of the net present values of net cash flows and relevant capital expenditures reduced by certain percentages as well as value attributable to certain assets’ reserves and/or resources in the Company’s production assets in Ghana and Equatorial Guinea. As of March 31, 2025, borrowings under the Facility totaled $1.0 billion and the undrawn availability under the Facility was $350.0 million.

    In March 2025, during the Spring 2025 redetermination, the Company’s lending syndicate approved a borrowing base at the full Facility size of $1.35 billion.

    The Facility provides a revolving credit and letter of credit facility. The availability period for the revolving credit facility expires one month prior to the final maturity date. The letter of credit facility expires on the final maturity date. The available facility amount is subject to borrowing base constraints and, beginning on April 1, 2027, outstanding borrowings will be constrained by an amortization schedule. The Facility has a final maturity date of December 31, 2029. As of March 31, 2025, we had no letters of credit issued under the Facility. We have the right to cancel all the undrawn commitments under the amended and restated Facility.

    If an event of default exists under the Facility, the lenders can accelerate the maturity and exercise other rights and remedies, including the enforcement of security granted pursuant to the Facility over certain assets. We were in compliance with the financial covenants contained in the Facility as of March 31, 2025 (the most recent assessment date). The Facility contains customary cross default provisions. 
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    The U.S. and many foreign economies continue to experience uncertainty driven by varying macroeconomic conditions. Although some of these economies have shown signs of improvement, macroeconomic recovery remains uneven. Uncertainty in the macroeconomic environment and associated global economic conditions have resulted in extreme volatility in credit, equity, and foreign currency markets, including the European sovereign debt markets and volatility in various other markets. If any of the financial institutions within our Facility are unable to perform on their commitments, our liquidity could be impacted. We actively monitor all of the financial institutions participating in our Facility. None of the financial institutions have indicated to us that they may be unable to perform on their commitments. In addition, we periodically review our banking and financing relationships, considering the stability of the institutions and other aspects of the relationships. Based on our monitoring activities, we currently believe our banks will be able to perform on their commitments.
    Senior Notes

    We have four series of senior notes outstanding as of March 31, 2025, which we collectively refer to as the “Senior Notes.” Our 7.125% Senior Notes have an outstanding balance of $250.0 million and mature on April 4, 2026. Interest is payable on the 7.125% Senior Notes each April 4 and October 4. Our 7.750% Senior Notes have an outstanding balance of $350.0 million and mature on May 1, 2027. Interest is payable on the 7.750% Senior Notes each May 1 and November 1. Our 7.500% Senior Notes have an outstanding balance of approximately $400.3 million and mature on March 1, 2028. Interest is payable on the 7.500% Senior Notes each March 1 and September 1. Our 8.750% Senior Notes have an outstanding balance of $500.0 million and mature on October 1, 2031. Interest is payable on the 8.750% Senior Notes each April 1 and October 1.
    The Senior Notes are senior, unsecured obligations of Kosmos Energy Ltd. and rank equally in right of payment with all of its existing and future senior indebtedness (including the 3.125% Convertible Senior Notes) and rank effectively junior in right of payment to all of its existing and future secured indebtedness (including all borrowings under the Facility). The Senior Notes are jointly and severally guaranteed on a senior, unsecured basis by certain subsidiaries owning the Company's Gulf of America assets, and on a subordinated, unsecured basis by entities that borrow under, or guarantee, our Facility.
    3.125% Convertible Senior Notes due 2030
    We have one series of senior convertible notes outstanding. Our 3.125% Convertible Senior Notes mature on March 15, 2030, unless earlier converted, redeemed or repurchased. Interest is payable in arrears each March 15 and September 15, commencing September 15, 2024.
    The 3.125% Convertible Senior Notes are senior, unsecured obligations of Kosmos Energy Ltd. and rank equal in right of payment with all of its existing and future senior indebtedness (including all borrowings under the Senior Notes) and rank effectively junior in right of payment to all of its existing and future secured indebtedness (including all borrowings under the Facility, to the extent of the value of the assets securing such indebtedness). The 3.125% Convertible Senior Notes are guaranteed on a senior, unsecured basis by certain of our existing subsidiaries that guarantee on a senior basis the Senior Notes, and, in certain circumstances, certain of our other existing or future subsidiaries. The 3.125% Convertible Senior Notes are guaranteed on a subordinated, unsecured basis by certain of our existing subsidiaries that borrow under or guarantee the Facility and guarantee on a subordinated basis the Senior Notes, and, in certain circumstances, certain of our other existing or future subsidiaries.
    The 3.125% Convertible Senior Notes indenture contains customary terms and covenants.

    In connection with the issuance of the 3.125% Convertible Senior Notes, the Company entered into capped call transactions (the “Capped Call Transactions”). The Capped Call Transactions are generally expected to reduce potential dilution to holders of our common stock upon any conversion of the 3.125% Convertible Senior Notes and/or offset any cash payments that we are required to make in excess of the principal amount of any 3.125% Convertible Senior Notes that are converted, as the case may be, with such reduction and/or offset subject to a cap.
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    Contractual Obligations
     
    The following table summarizes by period the payments due for our estimated contractual obligations as of March 31, 2025, and the weighted average interest rates expected to be paid on the Facility given current contractual terms and market conditions, and the instrument’s estimated fair value. Weighted-average interest rates are based on implied forward rates in the yield curve at the reporting date. This table does not include amortization of deferred financing costs. 
           Asset
           (Liability)
           Fair Value at
     Years Ending December 31,March 31,
     2025(2)2026202720282029ThereafterTotal2025
     (In thousands, except percentages)
    Fixed rate debt:       
    7.125% Senior Notes$— $250,000 $— $— $— $— $250,000 $248,082 
    7.750% Senior Notes— — 350,000 — — — 350,000 337,656 
    7.500% Senior Notes— — — 400,274 — — 400,274 377,598 
    8.750% Senior Notes
    — — — — — 500,000 500,000 464,785 
    3.125% Convertible Senior Notes
    — — — — — 400,000 400,000 306,976 
    Variable rate debt:       
    Weighted average interest rate8.32 %8.47 %8.63 %9.22 %9.52 %— %
    Facility(1)$— $— $6,359 $439,686 $553,955 $— $1,000,000 $1,000,000 
    Total principal debt repayments
    $— $250,000 $356,359 $839,960 $553,955 $900,000 $2,900,274 
    Interest & commitment fee payments on long-term debt209,383 213,042 190,326 144,669 89,430 93,750 940,600 
    Operating leases(3)
    3,153 4,272 4,209 3,844 2,808 — 18,286 
    Purchase obligations(4)
    20,300 — — — — — 20,300 
    Decommissioning Trust Funds(5)
    — 11,460 11,460 11,460 11,460 80,218 126,058 
    Firm transportation commitments2,682 4,413 2,222 — — — 9,317 
    __________________________________

    (1)The amounts included in the table represent principal maturities only. The scheduled maturities of debt related to the Facility are based on the level of borrowings and the available borrowing base as of March 31, 2025. Any increases or decreases in the level of borrowings or increases or decreases in the available borrowing base would impact the scheduled maturities of debt during the next five years and thereafter.
    (2)Represents the period April 1, 2025 through December 31, 2025.
    (3)Primarily relates to corporate and foreign office leases.
    (4)Represents gross contractual obligations to execute planned future capital projects. Other joint owners in the properties operated by Kosmos will be billed for their working interest share of such costs. Does not include our share of operator’s purchase commitments for jointly owned fields and facilities where we are not the operator and excludes commitments for exploration activities, including well commitments and seismic obligations, in our petroleum contracts. The Company’s liabilities for asset retirement obligations associated with the dismantlement, abandonment and restoration costs of oil and gas properties are not included. See Note 13 - Additional Financial Information for additional information regarding these liabilities.
    (5)In April 2024, a decommissioning trust agreement with the Jubilee unit partners to cash fund future retirement costs associated with the Jubilee Field was finalized. The operator currently estimates the total commitment to be approximately $126.1 million as of March 31, 2025, net to Kosmos, which will be funded annually by Kosmos over an estimated 11 year period. It is possible that our funding requirements could change based on future changes in the decommissioning plan or estimates.

    As of March 31, 2025, we have a commitment to drill one development well in Equatorial Guinea.

    In February 2019, Kosmos and BP signed Carry Advance Agreements with the national oil companies of Mauritania and Senegal, which obligate us separately to finance the respective national oil companies’ share of certain development and production costs incurred for the GTA Phase 1 project. Kosmos’ total share for the two agreements combined is currently estimated at approximately $370.0 million, of which $312.7 million has been incurred through March 31, 2025, excluding accrued interest. The amount financed by Kosmos is to be repaid through the national oil companies’ share of future revenues.

    We have a commitment to our buyer under the Tortue Phase 1 SPA, BP Gas Marketing Limited, to deliver our proportionate share of a minimum annual contract quantity of LNG of 127,951,000 MMBtu, which is equivalent to approximately 2.45 million tonnes per annum, subject to certain downward adjustments by the sellers. Under certain
    38

    Table of Contents
    circumstances, in the event the annual quantities provided are lower than the minimum annual contract quantity, Kosmos may be obligated to credit or pay a portion of the Contract Price to BP Gas Marketing Limited for the shortfall volumes.

    Critical Accounting Policies
     
    We consider accounting policies related to our revenue recognition, exploration and development costs, receivables, income taxes, derivative instruments and hedging activities, estimates of proved oil and gas reserves, asset retirement obligations and impairment of long-lived assets as critical accounting policies. The policies include significant estimates made by management using information available at the time the estimates are made. However, these estimates could change materially if different information or assumptions were used. Other than items discussed in Note 2 — Accounting Policies, there have been no changes to our critical accounting policies which are summarized in “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations” section in our annual report on Form 10-K, for the year ended December 31, 2024.
     
    Cautionary Note Regarding Forward-looking Statements
     
    This quarterly report on Form 10-Q contains estimates and forward-looking statements, principally in “Management’s Discussion and Analysis of Financial Condition and Results of Operations.” Our estimates and forward-looking statements are mainly based on our current expectations and estimates of future events and trends, which affect or may affect our businesses and operations. Although we believe that these estimates and forward-looking statements are based upon reasonable assumptions, they are subject to several risks and uncertainties and are made in light of information currently available to us. Many important factors, in addition to the factors described in our quarterly report on Form 10-Q and our annual report on Form 10-K, may adversely affect our results as indicated in forward-looking statements. You should read this quarterly report on Form 10-Q, the annual report on Form 10-K and the documents that we have filed with the Securities and Exchange Commission completely and with the understanding that our actual future results may be materially different from what we expect. Our estimates and forward-looking statements may be influenced by the following factors, among others:
     
    •the impact of a potential regional or global recession, inflationary pressures and other varying macroeconomic conditions on us and the overall business environment;
    •the impacts of the continued war in Ukraine and ongoing instability in the Middle East and the effects these events have on the oil and gas industry as a whole, including increased volatility with respect to oil, natural gas and LNG prices and operating and capital expenditures;
    •our ability to find, acquire or gain access to other discoveries and prospects and to successfully develop and produce from our current discoveries and prospects;
    •uncertainties inherent in making estimates of our oil and natural gas data;
    •the successful implementation of our and our block partners’ prospect discovery and development and drilling plans;
    •projected and targeted capital expenditures and other costs, commitments and revenues;
    •termination of or intervention in concessions, rights or authorizations granted to us by the governments of the countries in which we operate (or their respective national oil companies) or any other federal, state or local governments or authorities;
    •our dependence on our key management personnel and our ability to attract and retain qualified technical personnel;
    •the ability to obtain financing and to comply with the terms under which such financing may be available;
    •the volatility of oil, natural gas and LNG prices, as well as our ability to implement hedges addressing such volatility on commercially reasonable terms;
    •the availability, cost, function and reliability of developing appropriate infrastructure around and transportation to our discoveries and prospects;
    •the availability and cost of drilling rigs, production equipment, supplies, personnel and oilfield services;
    •other competitive pressures;
    •potential liabilities inherent in oil and natural gas operations, including drilling and production risks and other operational and environmental risks and hazards;
    •current and future government regulation of the oil and gas industry, applicable monetary/foreign exchange sectors or regulation of the investment in or ability to do business with certain countries or regimes;
    •cost of compliance with laws and regulations;
    •changes in, or new, environmental, health and safety or climate change or GHG laws, regulations and executive orders, or the implementation, or interpretation, of those laws, regulations and executive orders;
    •adverse effects of sovereign boundary disputes in the jurisdictions in which we operate;
    39

    Table of Contents
    •environmental liabilities;
    •geological, geophysical and other technical and operations problems, including drilling and oil and gas production and processing;
    •military operations, civil unrest, outbreaks of disease, terrorist acts, wars or embargoes;
    •the cost and availability of adequate insurance coverage and whether such coverage is enough to sufficiently mitigate potential losses and whether our insurers comply with their obligations under our coverage agreements;
    •our vulnerability to severe weather events, including, but not limited to, tropical storms and hurricanes, and the physical effects of climate change;
    •our ability to meet our obligations under the agreements governing our indebtedness;
    •the availability and cost of financing and refinancing our indebtedness;
    •the amount of collateral required to be posted from time to time in our hedging transactions, letters of credit, performance bonds and other secured debt;
    •our ability to obtain surety or performance bonds on commercially reasonable terms;
    •the result of any legal proceedings, arbitrations, or investigations we may be subject to or involved in;
    •our success in risk management activities, including the use of derivative financial instruments to hedge commodity and interest rate risks; and
    •other risk factors discussed in the “Item 1A. Risk Factors” section of our quarterly reports on Form 10-Q and our annual report on Form 10-K.

    The words “believe,” “may,” “will,” “aim,” “estimate,” “continue,” “anticipate,” “intend,” “expect,” “plan” and similar words are intended to identify estimates and forward-looking statements. Estimates and forward-looking statements speak only as of the date they were made, and, except to the extent required by law, we undertake no obligation to update or to review any estimate and/or forward-looking statement because of new information, future events or other factors. Estimates and forward-looking statements involve risks and uncertainties and are not guarantees of future performance. As a result of the risks and uncertainties described above, the estimates and forward-looking statements discussed in this quarterly report on Form 10-Q might not occur, and our future results and our performance may differ materially from those expressed in these forward-looking statements due to, including, but not limited to, the factors mentioned above. Because of these uncertainties, you should not place undue reliance on these forward-looking statements.

    Item 3. Qualitative and Quantitative Disclosures About Market Risk
     
    The primary objective of the following information is to provide forward-looking quantitative and qualitative information about our potential exposure to market risks. The term “market risks” as it relates to our currently anticipated transactions refers to the risk of loss arising from changes in commodity prices and interest rates. These disclosures are not meant to be precise indicators of expected future losses, but rather indicators of reasonably possible losses. This forward-looking information provides indicators of how we view and manage ongoing market risk exposures. We enter into market-risk sensitive instruments for purposes other than to speculate.
     
    We manage market and counterparty credit risk in accordance with our policies. In accordance with these policies and guidelines, our management determines the appropriate timing and extent of derivative transactions. See “Item 8. Financial Statements and Supplementary Data — Note 2 — Accounting Policies, Note 7 — Derivative Financial Instruments and Note 8— Fair Value Measurements” section of our annual report on Form 10-K for a description of the accounting procedures we follow relative to our derivative financial instruments.
     
    The following table reconciles the changes that occurred in fair values of our open derivative contracts during the three months ended March 31, 2025: 
     Derivative Contracts Assets (Liabilities)
     Commodities
    Interest Rates
    Total
     (In thousands)
    Fair value of contracts outstanding as of December 31, 2024$9,468 $2,202 $11,670 
    Changes in contract fair value(7,559)(27)(7,586)
    Contract maturities336 (830)(494)
    Fair value of contracts outstanding as of March 31, 2025$2,245 $1,345 $3,590 
     
    40

    Table of Contents
    Commodity Price Risk
     
    The Company’s revenues, earnings, cash flows, capital investments, debt capacity and, ultimately, future rate of growth are highly dependent on the prices we receive for our crude oil, which have historically been very volatile. Substantially all of our oil sales are indexed against Dated Brent, and Heavy Louisiana Sweet. Oil prices in the first three months of 2025 ranged between $69.83 and $83.06 per Bbl for Dated Brent, with Heavy Louisiana Sweet experiencing similar volatility during the first three months of 2025.

    Commodity Derivative Instruments
     
    We enter into various oil derivative contracts to mitigate our exposure to commodity price risk associated with anticipated future oil production. These contracts currently consist of collars, put options and call options. In regards to our obligations under our various commodity derivative instruments, if our production does not exceed our existing hedged positions, our exposure to our commodity derivative instruments would increase. In addition, a reduction in our ability to access credit could reduce our ability to implement derivative contracts on commercially reasonable terms.
     
    Commodity Price Sensitivity
     
    The following table provides information about our oil derivative financial instruments that were sensitive to changes in oil prices as of March 31, 2025. Volumes and weighted average prices are net of any offsetting derivatives entered into. 
       Weighted Average Price per BblAsset
       Net Deferred    (Liability)
       Premium    Fair Value at
    Payable/SoldMarch 31,
    TermType of ContractIndexMBbl(Receivable)SwapPutFloorCeiling
    2025(1)
            (In thousands)
    2025:
    Apr - Jun
    Two-way collars
    Dated Brent1,000 $0.50 $— $— $70.00 $85.00 $(4)
    Apr - Jun
    Swaps
    Dated Brent1,000 — 75.48 — — — 172 
    Apr - Dec
    Two-way collars
    Dated Brent
    1,500 1.00— — 70.00 85.00 1,607 
    Apr - Dec
    Three-way collars
    Dated Brent
    1,500 1.13 — 55.00 70.00 85.00 470
    __________________________________
    (1)Fair values are based on the average forward oil prices on March 31, 2025.

    In May 2025, we entered into Dated Brent two-way collar contracts for 2.0 MMBbl from July 2025 through December 2025 with a floor price of $55.00 per barrel and a ceiling price of $70.00 per barrel.
    At March 31, 2025, our open commodity derivative instruments were in a net asset position of $2.2 million. As of March 31, 2025, a hypothetical 10% price increase in the commodity futures price curves would decrease future pre-tax earnings by approximately $18.6 million. Similarly, a hypothetical 10% price decrease would increase future pre-tax earnings by approximately $21.6 million.
     
    Interest Rate Derivative Instruments

    See Note 7 — Derivative Financial Instruments and Note 8 — Fair Value Measurements for specific information regarding the terms of our interest rate derivative instruments that are sensitive to changes in interest rates.

    41

    Table of Contents
    Interest Rate Sensitivity
     
    Changes in market interest rates affect the amount of interest we pay on certain of our borrowings. Outstanding borrowings under the Facility, which as of March 31, 2025 total $1.0 billion and have a weighted average interest rate of 8.4%, are subject to variable interest rates which expose us to the risk of earnings or cash flow loss due to potential increases in market interest rates. If the floating market rate increased 10% at this level of floating rate debt, we would pay an estimated additional $4.3 million interest expense per year. The impact of the 2025 fixed interest rate swap would reduce the estimated additional interest expense to $1.6 million for the nine months ending December 31, 2025. The commitment fees on the undrawn availability under the Facility are not subject to changes in interest rates. All of our other long-term indebtedness is fixed rate and does not expose us to the risk of cash flow loss due to changes in market interest rates. Additionally, a change in the market interest rates could impact interest costs associated with future debt issuances or any future borrowings and future payments associated with the GTA FPSO arrangement.

    As of March 31, 2025, the fair market value of our interest rate swaps was a net asset of approximately $1.3 million. If SOFR changed by 10%, it would have a negligible impact on the fair market value of our interest rate swaps.

    Item 4. Controls and Procedures
     
    Evaluation of Disclosure Controls and Procedures
     
    As of the end of the period covered by this report, an evaluation of the effectiveness of the design and operation of the Company’s disclosure controls and procedures (as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”)) was performed under the supervision and with the participation of the Company’s management, including our Chief Executive Officer and Chief Financial Officer. This evaluation considered the various processes carried out under the direction of our disclosure committee in an effort to ensure that information required to be disclosed in the SEC reports we file or submit under the Exchange Act is accurate, complete and timely. However, a control system, no matter how well conceived and operated, can provide only reasonable, not absolute, assurance that the objectives of the control system are met. The design of a control system must reflect the fact that there are resource constraints, and the benefit of controls must be considered relative to their costs. Consequently, no evaluation of controls can provide absolute assurance that all control issues and instances of fraud, if any, within our company have been detected. Based upon this evaluation, our Chief Executive Officer and our Chief Financial Officer concluded that the Company’s disclosure controls and procedures were effective as of March 31, 2025, in ensuring that information required to be disclosed by the Company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms, including that such information is accumulated and communicated to the Company’s management, including our Chief Executive Officer and our Chief Financial Officer, to allow timely decisions regarding required disclosure.
     
    Evaluation of Changes in Internal Control over Financial Reporting
     
    There were no changes in our internal control over financial reporting that occurred during our most recent fiscal quarter that materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

    PART II. OTHER INFORMATION
     
    Item 1. Legal Proceedings 
     
    There have been no material changes from the information concerning legal proceedings discussed in the “Item 3. Legal Proceedings” section of our annual report on Form 10-K.
    Item 1A. Risk Factors
     
    There have been no material changes from the risks discussed in the “Item 1A. Risk Factors” sections of our annual report on Form 10-K for the year ended December 31, 2024.

    Item 2. Unregistered Sales of Equity Securities and Use of Proceeds
     
    None.

    42

    Table of Contents
    Item 3.    Defaults Upon Senior Securities
     
    None.

    Item 4.    Mine Safety Disclosures
     
    Not applicable.
     
    Item 5.    Other Information.
     
    Rule 10b5-1 and Non Rule 10b5-1 Trading Arrangements

    During the three months ended March 31, 2025, certain of our officers and directors adopted or terminated Rule 10b5-1 trading arrangements as follows.

    On February 27, 2025, Sir John Grant, a member of our board of directors, adopted a trading plan intended to satisfy the conditions under Rule 10b5-1(c) of the Exchange Act. Sir John Grant’s plan is for the sale of up to 27,923 shares of our common stock on June 5, 2025, in order to cover income tax liability from the vesting of restricted share units that were granted to him under the Company’s Long Term Incentive Plan.

     During the three months ended March 31, 2025, none of our officers or directors adopted or terminated any non-Rule 10b5-1 trading arrangement.
    43

    Table of Contents
    SIGNATURES
     
    Pursuant to the requirements of the Securities Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
     
      Kosmos Energy Ltd.
      (Registrant)
       
    DateMay 6, 2025 /s/ NEAL D. SHAH
      Neal D. Shah
      Senior Vice President and Chief Financial Officer
      (Principal Financial Officer)

    Item 6. Exhibits
     
    The information required by this Item 6 is set forth in the Index to Exhibits accompanying this quarterly report on Form 10‑Q.
    44

    Table of Contents
    INDEX OF EXHIBITS
     
    Exhibit
    Number
     Description of Document
    10.1
    Offer Letter, dated July 6, 2024, between Kosmos Energy, LLC and Josh R. Marion.
    31.1 
    Certification of Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
       
    31.2 
    Certification of Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
       
    32.1 
    Certification of Chief Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
       
    32.2 
    Certification of Chief Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
    101.INS XBRL Instance Document
       
    101.SCH XBRL Taxonomy Extension Schema Document
       
    101.CAL XBRL Taxonomy Extension Calculation Linkbase Document
       
    101.LAB XBRL Taxonomy Extension Label Linkbase Document
       
    101.PRE XBRL Taxonomy Extension Presentation Linkbase Document
       
    101.DEF XBRL Taxonomy Extension Definition Linkbase Document

    ___________________________________





    45
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      Kosmos Energy Ltd. ("Kosmos" or the "Company") (NYSE/LSE: KOS) announced today its financial and operating results for the fourth quarter of 2024. For the quarter, the Company generated a net loss of $7 million, or $0.01 per diluted share. When adjusted for certain items that impact the comparability of results, the Company generated an adjusted net loss(1) of $16 million, or $0.03 per diluted share for the fourth quarter of 2024. FOURTH QUARTER 2024 HIGHLIGHTS Zero lost-time injuries or total recordable injuries in 2024 Net Production(2): ~66,800 barrels of oil equivalent per day (boepd), with sales of ~65,700 boepd Revenues: $398 million, or $65.80 per boe (excluding the impact of

      2/24/25 2:00:00 AM ET
      $KOS
      Oil & Gas Production
      Energy