EQT CORPORATION (Exact Name of Registrant As Specified in Its Charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM ___________ TO __________ COMMISSION FILE NUMBER 001-03551 EQT CORPORATION (Exact name of registrant as specified in its charter) Pennsylvania 25-0464690 (State or other jurisdiction of incorporation or organization) (IRS Employer Identification No.) 625 Liberty Avenue, Suite 1700 Pittsburgh, Pennsylvania 15222 (Address of principal executive offices) (Zip Code) (412) 553-5700 (Registrant's telephone number, including area code) Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading symbol(s) Name of each exchange on which registered Common Stock, no par value EQT New York Stock Exchange Securities registered pursuant to Section 12(g) of the Act: None Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ☒ No ☐ Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes ☐ No ☒ 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 every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). 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 ☐ 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 has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. ☒ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒ The aggregate market value of common stock held by non-affiliates of the registrant as of June 30, 2020: $3.0 billion As of February 12, 2021, 278,854,465 shares of common stock, no par value, of the registrant were outstanding. DOCUMENTS INCORPORATED BY REFERENCE EQT Corporation's definitive proxy statement relating to its 2021 annual meeting of shareholders will be filed with the Securities and Exchange Commission within 120 days after the close of EQT Corporation's fiscal year ended December 31, 2020 and is incorporated by reference in Part III to the extent described therein. Table of Contents TABLE OF CONTENTS Page Glossary of Commonly Used Terms, Abbreviations and Measurements 3 Cautionary Statements 6 PART I Item 1. Business 7 Item 1A. Risk Factors 21 Item 1B. Unresolved Staff Comments 40 Item 2. Properties 40 Item 3. Legal Proceedings 40 Item 4. Mine Safety Disclosures 41 Executive Officers of the Registrant 42 PART II Item 5. Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities 43 Item 6. Selected Financial Data 45 Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations 45 Item 7A. Quantitative and Qualitative Disclosures About Market Risk 57 Item 8. Financial Statements and Supplementary Data 59 Item 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure 111 Item 9A. Controls and Procedures 111 Item 9B. Other Information 112 PART III Item 10. Directors, Executive Officers and Corporate Governance 112 Item 11. Executive Compensation 112 Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters 113 Item 13. Certain Relationships and Related Transactions, and Director Independence 114 Item 14. Principal Accounting Fees and Services 114 PART IV Item 15. Exhibits and Financial Statement Schedules 115 Item 16. Form 10-K Summary 120 Signatures 121 2 Table of Contents Glossary of Commonly Used Terms, Abbreviations and Measurements Unless the context otherwise indicates, all references in this report to "EQT," the "Company," "we," "us," or "our" are to EQT Corporation and its subsidiaries, collectively. Commonly Used Terms Appalachian Basin – the area of the United States composed of those portions of West Virginia, Pennsylvania, Ohio, Maryland, Kentucky and Virginia that lie in the Appalachian Mountains. basis – when referring to commodity pricing, the difference between the futures price for a commodity and the corresponding sales price at various regional sales points. The differential commonly is related to factors such as product quality, location, transportation capacity availability and contract pricing. British thermal unit – a measure of the amount of energy required to raise the temperature of one pound of water by one degree Fahrenheit. collar – a financial arrangement that effectively establishes a price range for the underlying commodity. The producer bears the risk and benefit of fluctuation between the minimum (floor) price and the maximum (ceiling) price. continuous accumulations – natural gas and oil resources that are pervasive throughout large areas, have ill-defined boundaries and typically lack, or are unaffected by, hydrocarbon-water contacts near the base of the accumulation. conventional reservoir – an area believed to be capable of producing crude oil and natural gas occurring in discrete accumulations in structural and stratigraphic traps utilizing conventional recovery methods. development well – a well drilled within the proved area of an oil or gas reservoir to the depth of a stratigraphic horizon known to be productive. exploratory well – a well drilled to find a new field or new reservoir in a field previously found to be productive of oil or gas in another reservoir. Generally, an exploratory well is any well that is not a development well, an extension well, a service well or a stratigraphic test well. extension well – a well drilled to extend the limits of a known reservoir. gas – all references to "gas" in this report refer to natural gas. gross – "gross" natural gas and oil wells or "gross" acres equal the total number of wells or acres in which we have a working interest. hedging – the use of derivative commodity and interest rate instruments to reduce financial exposure to commodity price and interest rate volatility. horizontal drilling – drilling that ultimately is horizontal or near horizontal to increase the length of the well bore penetrating the target formation. horizontal wells – wells that are drilled horizontal or near horizontal to increase the length of the well bore penetrating the target formation. natural gas liquids (NGLs) – those hydrocarbons in natural gas that are separated from the gas as liquids through the process of absorption, condensation or other methods in gas processing plants. Natural gas liquids include primarily ethane, propane, butane and isobutane. net – "net" natural gas and oil wells or "net" acres are determined by adding the fractional ownership working interests we have in gross wells or acres. net revenue interest – the interest retained by us in the revenues from a well or property after giving effect to all third-party interests (equal to 100% minus all royalties on a well or property). 3 Table of Contents option – a contract that gives the buyer the right, but not the obligation, to buy or sell a specified quantity of a commodity or other instrument at a specific price within a specified period of time. play – a proven geological formation that contains commercial amounts of hydrocarbons. productive well – a well that is producing oil or gas or that is capable of production. proved reserves – quantities of natural gas, NGLs and oil, 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. proved developed reserves – proved reserves that can be expected to be recovered through existing wells with existing equipment and operating methods. proved

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