Vitesse Energy, Inc.

GLOSSARY

In this Form 10-Q, unless the context otherwise requires:

■“3B Energy” refers to 3B Energy, LLC, the holder of a minority of the equity interests in Vitesse Energy prior to the Pre-Spin-Off Transactions and an entity owned by Bob Gerrity, our Chief Executive Officer and Chairman of our Board, and Brian Cree, our President;

■“Amended and Restated Bylaws” refers to the bylaws of Vitesse effective as of January 13, 2023;

■“Amended and Restated Certificate of Incorporation” refers to the certificate of incorporation of Vitesse effective as of January 12, 2023;

■“Basin” refers to a large natural depression on the earth’s surface in which sediments generally brought by water accumulate;

■“Board” refers to our board of directors;

■“Bbl” refers to one stock tank barrel, of 42 U.S. gallons liquid volume, used herein in reference to oil, condensate or NGLs;

■“Boe” refers to barrels of oil equivalent, calculated by converting natural gas to oil equivalent barrels at a ratio of six Mcf of natural gas to one Bbl of oil;

■“Boe/d” refers to one Boe per day;

■“Btu” refers to a British thermal unit, which is the quantity of heat required to raise the temperature of one pound of water by one degree Fahrenheit;

■“Code” refers to the United States Internal Revenue Code of 1986, as amended;

■“completion” refers to the process of preparing an oil and natural gas wellbore for production through the installation of permanent production equipment, as well as perforation and fracture stimulation to optimize production of oil, natural gas and/or NGLs;

■“condensate” refers to a mixture of hydrocarbons that exists in the gaseous phase at original reservoir temperature and pressure, but that, when produced, is in the liquid phase at surface pressure and temperature;

■“differential” refers to an adjustment to the price of oil or natural gas from an established index price to reflect differences in the quality and/or location of oil or natural gas;

■“Distribution” refers to the transaction on January 13, 2023 in which Jefferies distributed to its shareholders outstanding shares of our common stock held by Jefferies;

■“dry hole” refers to a well found to be incapable of producing oil and natural gas in sufficient quantities to justify completion;

■“EIA” refers to the Energy Information Agency;

■“Exchange Act” refers to the Securities Exchange Act of 1934, as amended;

■“GAAP” refers to accounting principles generally accepted in the United States;

■“gross acres” refers to the total acres in which a working interest is owned;

■“gross wells” refers to the total wells in which a working interest is owned;

■“Jefferies” or “JFG” refers to Jefferies Financial Group Inc. and its consolidated subsidiaries other than, for all periods following the Spin-Off, Vitesse, unless the context requires otherwise;

■“LTIP” refers to the Company’s long term incentive plan;

■“Lucero” refers to Lucero Energy Corp., a corporation existing under the Alberta Business Corporations Act except subsequent to April 24, 2025 when it refers to Lucero Energy ULC and PetroShale (US), Inc.;

■“Lucero Acquisition” refers to the strategic business combination transaction that closed on March 7, 2025 whereby Vitesse acquired all of the issued and outstanding Lucero common shares pursuant to the Lucero Plan of Arrangement, with Lucero becoming a wholly owned subsidiary of Vitesse;

■“Lucero Arrangement Agreement” refers to that certain Lucero Arrangement Agreement, dated December 15, 2024, between Vitesse and Lucero, a copy of which is attached to the Current Report on Form 8-K filed with the SEC on December 19, 2024;

■“Lucero Plan of Arrangement” refers to that certain Plan of Arrangement substantially in the form attached as Exhibit B to the Lucero Arrangement Agreement, and any amendments or variations thereto made in accordance with the Lucero Arrangement Agreement and the Plan of Arrangement or upon the direction of the Alberta Court, in the Final Order;

■“MBbls” refers to one thousand barrels of oil or NGLs;

■“MBoe” refers to one thousand barrels of oil equivalent;

■“Mcf” refers to one thousand cubic feet of natural gas;

■“MMBoe” refers to one million barrels of oil equivalent;

■“MMBtu” refers to one million British thermal units;

■“MMcf” refers to one million cubic feet of natural gas;

■“net acres” refers to the sum of the fractional working interests owned in gross acres (e.g., a 10% working interest in a lease covering 1,280 gross acres is equivalent to 128 net acres);

■“net wells” refers to wells that are deemed to exist when the sum of fractional ownership working interests in gross wells equals one;

■“NGLs” refer to natural gas liquids;

■“NYMEX” refers to the New York Mercantile Exchange;

■“OPEC” refers to the Organization of Petroleum Exporting Countries;

■“PDP” or “proved developed producing” refers to proved reserves that can be expected to be recovered through existing wells with existing equipment and operating methods;

■“PDNP” or “proved developed non-producing” refers to proved reserves that are developed behind pipe and are expected to be recovered from zones in existing wells that will require additional completion work or future recompletion prior to the start of production;

■“possible reserves” refers to the additional reserves which analysis of geoscience and engineering data suggest are less likely to be recoverable than probable reserves;

■“Pre-Spin-Off Transactions” refers to the series of transactions, including Vitesse’s acquisitions of Vitesse Energy and Vitesse Oil, consummated immediately prior to the Distribution;

■“probable reserves” refers to the additional reserves which analysis of geoscience and engineering data indicate are less likely to be recovered than proved reserves but which, together with proved reserves, are as likely as not to be recovered;

■“productive well” refers to a well that is found to be capable of producing oil and natural gas in sufficient quantities such that proceeds from the sale of the production exceed production expenses and taxes;

■“proved developed reserves” refers to proved reserves that can be expected to be recovered through existing wells with existing equipment and operating methods or in which the cost of new equipment or operating methods is relatively minor compared to the cost of a new well;

■“proved reserves” refers to the quantities of oil and natural gas, which, by analysis of geoscience and engineering data, can be estimated with reasonable certainty to be economically producible, from a given date forward, from known reservoirs, and under existing economic conditions, operating methods, and government regulations, prior to the time at which contracts providing the right to operate expire, unless evidence indicates that renewal is reasonably certain, regardless of whether deterministic or probabilistic methods are used for the estimation. The project to extract the hydrocarbons must have commenced or the operator must be reasonably certain that it will commence the project within a reasonable time;

■“PUD” or “proved undeveloped” refers to proved reserves that are expected to be recovered from new wells on undrilled acreage, or from existing wells where a relatively major expenditure is required for development. Reserves on undrilled acreage are limited to those drilling units offsetting productive units that are reasonably certain of production when drilled. Undrilled locations can be classified as having undeveloped reserves only if a development plan has been adopted indicating that they are scheduled to be drilled within five years from the date that such undrilled location was initially classified as proved undeveloped unless specific circumstances justify a longer time. Under no circumstances shall estimates of proved undeveloped reserves be attributable to any acreage for which an application of fluid injection or other improved recovery technique is contemplated, unless such techniques have been proved effective by actual projects in the same reservoir or an analogous reservoir, or by other evidence using reliable technology establishing reasonable certainty;

■“PSU” refers to Performance Stock Units under the LTIP;

■“reserves” refers to estimated remaining quantities of oil and gas and related substances anticipated to be economically producible, as of a given date, by application of development projects to known accumulations. In addition, there must exist, or there must be a reasonable expectation that there will exist, the legal right to produce or a revenue interest in the production, installed means of delivering oil and gas or related substances to market, and all permits and financing required to implement the project;

■“Revolving Credit Facility” refers to Vitesse’s Second Amended and Restated Credit Agreement, as amended from time to time, among Vitesse, as borrower, Wells Fargo Bank, N.A., as administrative agent, and the lenders party thereto, dated as of January 13, 2023;

■“RSU” refers to Restricted Stock Units under the LTIP;

■“SEC” refers to the Securities and Exchange Commission;

■“Securities Act” refers to Securities Act of 1933, as amended;

■“SOFR” refers to the Secured Overnight Financing Rate;

■“Spin-Off” refers to our separation on January 13, 2023 from Jefferies and the creation of an independent, publicly traded company, Vitesse, through (1) the Pre-Spin-Off Transactions and (2) the Distribution;

■“Stock Repurchase Program” refers to the stock repurchase program approved by the Board in February 2023 authorizing the repurchase of up to $60 million of the Company’s common stock;

■“Tax Matters Agreement” refers to the tax matters agreement entered into between Jefferies and the Company on January 13, 2023;

■“Two-stream basis” refers to the reporting of production or reserve volumes of oil and wet natural gas, where the NGLs have not been removed from the natural gas stream, and the economic value of the NGLs is included in the wellhead natural gas price;

■“Vitesse,” “we,” “our,” “us” and the “Company” (1) when used in regard to events prior to the Spin-Off, refer to Vitesse Energy and do not give effect to the consummation of the Pre-Spin-Off Transactions, and (2) when used in regard to events subsequent to the Spin-Off or future tense, refer to Vitesse Energy, Inc. and its consolidated subsidiaries and give effect to the consummation of the Pre-Spin-Off Transactions, in each case unless the context requires otherwise;

■“Vitesse Energy” and the “Predecessor” refer to Vitesse Energy, LLC and its consolidated subsidiaries;

■“Vitesse Energy Finance” refers to Vitesse Energy Finance LLC, the holder of a majority of the equity interests in Vitesse Energy prior to the Pre-Spin-Off Transactions and an indirect wholly owned subsidiary of Jefferies;

■“Vitesse Oil” refers to Vitesse Oil, LLC;

■“WTI” refers to West Texas Intermediate.

PRESENTATION OF FINANCIAL AND OPERATING DATA

Unless otherwise indicated all references to wells, working interest, royalty interest, or acreage are based on the published information available as of the date indicated, which may not be current.

INDUSTRY AND MARKET DATA

This Form 10-Q includes information concerning our industry and the markets in which we operate that is based on information from public filings, internal company sources, various third-party sources and management estimates. Management’s estimates regarding Vitesse’s position, share and industry size are derived from publicly available information and our internal research, and are based on assumptions we made upon reviewing such data and our knowledge of such industry and markets, which we believe to be reasonable. While we are not aware of any misstatements regarding any industry data presented in this Form 10-Q and believe such data to be accurate, we have not independently verified any data obtained from third-party sources and cannot assure you of the accuracy or completeness of such data. Such data may involve uncertainties and is subject to change based on various factors, including those discussed in the section entitled “Part II, Item 1A, Risk Factors.”