10-Q

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, 2026

or

☐	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
	For the transition period from ____________ to ____________

Commission File Number: 1-16463

____________________________________________

PEABODY ENERGY CORPORATION

(Exact name of registrant as specified in its charter)

Delaware	13-4004153
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

	701 Market Street,	St. Louis,	Missouri	63101-1826
(Address of principal executive offices)				(Zip Code)

(314) 342-3400

(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, par value $0.01 per share	BTU	New York Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. 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 is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☑

There were 121.8 million shares of the registrant’s common stock (par value of $0.01 per share) outstanding at May 1, 2026.

TABLE OF CONTENTS

	Page
PART I — FINANCIAL INFORMATION
Item 1. Financial Statements	1
Unaudited Condensed Consolidated Statements of Operations	1
Unaudited Condensed Consolidated Statements of Comprehensive (Loss) Income	2
Condensed Consolidated Balance Sheets	3
Unaudited Condensed Consolidated Statements of Cash Flows	4
Unaudited Condensed Consolidated Statements of Changes in Stockholders’ Equity	6
Notes to Unaudited Condensed Consolidated Financial Statements	7
Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations	22
Item 3. Quantitative and Qualitative Disclosures About Market Risk	38
Item 4. Controls and Procedures	39
PART II — OTHER INFORMATION
Item 1. Legal Proceedings	41
Item 1A. Risk Factors	41
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds	43
Item 4. Mine Safety Disclosures	43
Item 5. Other Information	44
Item 6. Exhibits	44
EXHIBIT INDEX	45
SIGNATURE	46

PART I - FINANCIAL INFORMATION

Item 1. Financial Statements.

PEABODY ENERGY CORPORATION

UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

	Three Months Ended March 31,
	2026		2025
	(Dollars in millions, except per share data)
Revenue	$	973.3	$	937.0
Costs and expenses
Operating costs and expenses (exclusive of items shown separately below)	864.7		770.2
Depreciation, depletion and amortization	109.5		92.1
Asset retirement obligation expenses	13.6		13.6
Selling and administrative expenses	31.6		23.6
Restructuring charges	1.1		1.7
Costs related to terminated acquisition	3.0		2.4
Net gain on disposals	(11.7)		(5.2)
Loss from equity affiliates	5.7		6.7
Operating (loss) profit	(44.2)		31.9
Interest expense, net of capitalized interest	10.7		11.5
Interest income	(13.1)		(15.4)
Net periodic benefit credit, excluding service cost	(0.4)		(7.4)
(Loss) income from continuing operations before income taxes	(41.4)		43.2
Income tax (benefit) provision	(16.0)		4.9
(Loss) income from continuing operations, net of income taxes	(25.4)		38.3
Loss from discontinued operations, net of income taxes	(0.2)		(0.3)
Net (loss) income	(25.6)		38.0
Less: Net income attributable to noncontrolling interests	6.8		3.6
Net (loss) income attributable to common stockholders	$	(32.4)	$	34.4
(Loss) income from continuing operations:
Basic (loss) income per share	$	(0.26)	$	0.29
Diluted (loss) income per share	$	(0.26)	$	0.27
Net (loss) income attributable to common stockholders:
Basic (loss) income per share	$	(0.27)	$	0.28
Diluted (loss) income per share	$	(0.27)	$	0.27

See accompanying notes to unaudited condensed consolidated financial statements.

1

PEABODY ENERGY CORPORATION

UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME

	Three Months Ended March 31,
	2026		2025
	(Dollars in millions)
Net (loss) income	$	(25.6)	$	38.0
Postretirement plans (net of $0.0 tax provisions in each period)	(2.8)		(10.2)
Foreign currency translation adjustment	1.1		0.4
Other comprehensive loss, net of income taxes	(1.7)		(9.8)
Comprehensive (loss) income	(27.3)		28.2
Less: Net income attributable to noncontrolling interests	6.8		3.6
Comprehensive (loss) income attributable to common stockholders	$	(34.1)	$	24.6

See accompanying notes to unaudited condensed consolidated financial statements.

2

PEABODY ENERGY CORPORATION

CONDENSED CONSOLIDATED BALANCE SHEETS

	(Unaudited)
	March 31, 2026		December 31, 2025
	(Amounts in millions, except per share data)
ASSETS
Current assets
Cash and cash equivalents	$	492.5	$	575.3
Accounts receivable, net of allowance for credit losses of $0.0 at March 31, 2026 and December 31, 2025	309.5		314.9
Inventories, net	405.5		383.2
Other current assets	303.8		285.4
Total current assets	1,511.3		1,558.8
Property, plant, equipment and mine development, net	3,129.9		3,153.3
Operating lease right-of-use assets	128.9		121.2
Restricted cash and collateral	811.3		844.1
Investments and other assets	126.3		127.6
Deferred income taxes	2.3		2.2
Total assets	$	5,710.0	$	5,807.2
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities
Current portion of long-term debt	$	14.3	$	15.2
Accounts payable and accrued expenses	795.6		827.0
Total current liabilities	809.9		842.2
Long-term debt, less current portion	320.9		321.2
Deferred income taxes	3.5		26.3
Asset retirement obligations, less current portion	694.4		692.8
Accrued postretirement benefit costs	108.8		109.2
Operating lease liabilities, less current portion	94.4		87.5
Other noncurrent liabilities	138.0		145.8
Total liabilities	2,169.9		2,225.0
Stockholders’ equity
Preferred Stock — $0.01 per share par value; 100.0 shares authorized, no shares issued or outstanding as of March 31, 2026 or December 31, 2025	—		—
Series Common Stock — $0.01 per share par value; 50.0 shares authorized, no shares issued or outstanding as of March 31, 2026 or December 31, 2025	—		—
Common Stock — $0.01 per share par value; 450.0 shares authorized, 189.6 shares issued and 121.8 shares outstanding as of March 31, 2026 and 189.3 shares issued and 121.6 shares outstanding as of December 31, 2025	1.9		1.9
Additional paid-in capital	4,010.3		4,004.8
Treasury stock, at cost — 67.8 and 67.7 common shares as of March 31, 2026 and December 31, 2025	(1,930.6)		(1,927.3)
Retained earnings	1,314.2		1,355.9
Accumulated other comprehensive income	99.4		101.1
Peabody Energy Corporation stockholders’ equity	3,495.2		3,536.4
Noncontrolling interests	44.9		45.8
Total stockholders’ equity	3,540.1		3,582.2
Total liabilities and stockholders’ equity	$	5,710.0	$	5,807.2

See accompanying notes to unaudited condensed consolidated financial statements.

3

PEABODY ENERGY CORPORATION
UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
	Three Months Ended March 31,
	2026		2025
	(Dollars in millions)
Cash Flows From Operating Activities
Net (loss) income	$	(25.6)	$	38.0
Loss from discontinued operations, net of income taxes	0.2		0.3
(Loss) income from continuing operations, net of income taxes	(25.4)		38.3
Adjustments to reconcile (loss) income from continuing operations, net of income taxes to net cash provided by operating activities:
Depreciation, depletion and amortization	109.5		92.1
Noncash interest expense, net	1.4		1.6
Deferred income taxes	(22.8)		(3.9)
Noncash share-based compensation	5.4		2.7
Net gain on disposals	(11.7)		(5.2)
Loss from equity affiliates	5.7		6.7
Unrealized gains on foreign currency option contracts	(0.3)		(4.3)
Changes in current assets and liabilities:
Accounts receivable	11.9		84.5
Inventories	(22.3)		(24.6)
Other current assets	(12.7)		37.4
Accounts payable and accrued expenses	(3.1)		(89.7)
Collateral arrangements	(0.5)		(0.4)
Asset retirement obligations	1.6		1.3
Postretirement benefit obligations	(3.3)		(11.4)
Pension obligations	0.4		(4.9)
Other, net	(3.2)		0.3
Net cash provided by continuing operations	30.6		120.5
Net cash used in discontinued operations	(0.6)		(0.6)
Net cash provided by operating activities	30.0		119.9

4

PEABODY ENERGY CORPORATION
UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - (Continued)
	Three Months Ended March 31,
	2026		2025
	(Dollars in millions)
Cash Flows From Investing Activities
Additions to property, plant, equipment and mine development	(85.4)		(70.4)
Changes in accrued expenses related to capital expenditures	(37.1)		(38.6)
Proceeds from disposal of assets, net of receivables	5.4		7.2
Contributions to joint ventures	(165.6)		(138.3)
Distributions from joint ventures	160.2		150.8
Other, net	(1.0)		(0.3)
Net cash used in investing activities	(123.5)		(89.6)
Cash Flows From Financing Activities
Repayments of long-term debt	(2.4)		(2.8)
Payment of debt issuance and other deferred financing costs	—		(1.7)
Repurchase of employee common stock relinquished for tax withholding	(3.3)		(0.8)
Dividends paid	(9.2)		(9.1)
Distributions to noncontrolling interests	(7.7)		(14.7)
Net cash used in financing activities	(22.6)		(29.1)
Net change in cash, cash equivalents and restricted cash	(116.1)		1.2
Cash, cash equivalents and restricted cash at beginning of period (1)	1,284.5		1,382.6
Cash, cash equivalents and restricted cash at end of period (2)	$	1,168.4	$	1,383.8
(1) The following table provides a reconciliation of “Cash, cash equivalents and restricted cash at beginning of period”:
Cash and cash equivalents	$	575.3
Restricted cash included in “Restricted cash and collateral”	709.2
Cash, cash equivalents and restricted cash at beginning of period	$	1,284.5
(2) The following table provides a reconciliation of “Cash, cash equivalents and restricted cash at end of period”:
Cash and cash equivalents	$	492.5
Restricted cash included in “Restricted cash and collateral”	675.9
Cash, cash equivalents and restricted cash at end of period	$	1,168.4

See accompanying notes to unaudited condensed consolidated financial statements.

5

PEABODY ENERGY CORPORATION

UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY

	Three Months Ended March 31,
	2026		2025
	(Dollars in millions, except per share data)
Common Stock
Balance, beginning of period	$	1.9	$	1.9
Balance, end of period	1.9		1.9
Additional paid-in capital
Balance, beginning of period	4,004.8		3,990.5
Dividend equivalent units on dividends declared	0.1		0.2
Share-based compensation for equity-classified awards	5.4		2.7
Balance, end of period	4,010.3		3,993.4
Treasury stock
Balance, beginning of period	(1,927.3)		(1,926.5)
Repurchase of employee common stock relinquished for tax withholding	(3.3)		(0.8)
Balance, end of period	(1,930.6)		(1,927.3)
Retained earnings
Balance, beginning of period	1,355.9		1,445.8
Net (loss) income attributable to common stockholders	(32.4)		34.4
Dividends declared ($0.075 and $0.075 per share, respectively)	(9.3)		(9.3)
Balance, end of period	1,314.2		1,470.9
Accumulated other comprehensive income
Balance, beginning of period	101.1		138.8
Postretirement plans (net of $0.0 tax provisions in each period)	(2.8)		(10.2)
Foreign currency translation adjustment	1.1		0.4
Balance, end of period	99.4		129.0
Noncontrolling interests
Balance, beginning of period	45.8		58.3
Net income attributable to noncontrolling interests	6.8		3.6
Distributions to noncontrolling interests	(7.7)		(14.7)
Balance, end of period	44.9		47.2
Total stockholders’ equity	$	3,540.1	$	3,715.1

See accompanying notes to unaudited condensed consolidated financial statements.

6

PEABODY ENERGY CORPORATION

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(1)    Basis of Presentation

The unaudited condensed consolidated financial statements include the accounts of Peabody Energy Corporation (PEC) and its consolidated subsidiaries and affiliates (along with PEC, the Company or Peabody). Interests in subsidiaries controlled by the Company are consolidated with any outside stockholder interests reflected as noncontrolling interests, except when the Company has an undivided interest in a joint venture. In those cases, the Company includes its proportionate share in the assets, liabilities, revenue and expenses of the jointly controlled entities within each applicable line item of the unaudited condensed consolidated financial statements. All intercompany transactions, profits and balances have been eliminated in consolidation.

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States (U.S. GAAP) for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by U.S. GAAP for complete financial statements and should be read in conjunction with the consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2025. In the opinion of management, these financial statements reflect all normal, recurring adjustments necessary for a fair presentation. Balance sheet information presented herein as of December 31, 2025 has been derived from the Company’s audited consolidated balance sheet at that date. The Company’s consolidated results of operations for the three months ended March 31, 2026 are not necessarily indicative of the results that may be expected for future quarters or for the year ending December 31, 2026.

(2)    Newly Adopted Accounting Standards and Accounting Standards Not Yet Implemented

Newly Adopted Accounting Standards

Induced Conversions of Convertible Debt. In November 2024, Accounting Standards Update (ASU) 2024-04 was issued, which clarifies the requirements for determining whether certain settlements of convertible debt instruments should be accounted for as an induced conversion. The amendments in this ASU affect entities that settle convertible debt instruments for which the conversion privileges were changed to induce conversion. The Company adopted this ASU on January 1, 2026. The adoption of this ASU had no impact to the Company’s consolidated results of operations, cash flows, financial condition or disclosures, but would in the future if there are induced conversions.

Accounting Standards Not Yet Implemented

Expense Disaggregation. In November 2024, ASU 2024-03 was issued, which requires public entities to disclose additional information about specific expense categories in the notes to financial statements at interim and annual reporting periods. The Company is required to adopt the amendments for fiscal years beginning after December 15, 2026 and interim reporting periods beginning after December 15, 2027. The amendments should be applied prospectively, with a retrospective option. Early adoption is permitted. The Company expects this ASU to only impact its disclosures with no impacts to its consolidated results of operations, cash flows and financial condition.

Government Grants. In December 2025, ASU 2025-10 was issued, which establishes guidance on the recognition, measurement and presentation of a government grant received by a business entity. U.S. GAAP did not provide such guidance, and many business entities have been analogizing to International Accounting Standard 20 or other guidance when accounting for government grants. The Company is required to adopt the amendments for fiscal years beginning after December 15, 2028 and interim reporting periods within those periods. The amendments can be applied using a modified retrospective or retrospective approach. Early adoption is permitted. The Company will apply this guidance upon its adoption, as applicable.

(3)    Revenue Recognition

Refer to Note 1. “Summary of Significant Accounting Policies” in the Company’s Annual Report on Form 10-K for the year ended December 31, 2025, for the Company’s policies regarding “Revenue” and “Accounts receivable, net.”

7

PEABODY ENERGY CORPORATION

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

Disaggregation of Revenue

Revenue by product type and market is set forth in the following tables. With respect to its seaborne reportable segments, the Company classifies as “Export” certain revenue from domestically-delivered coal under contracts in which the price is derived on a basis similar to export contracts.

	Three Months Ended March 31, 2026
	Seaborne Thermal		Seaborne Metallurgical		Powder River Basin		Other U.S. Thermal		Corporate and Other (1)		Consolidated
	(Dollars in millions)
Thermal coal
Domestic	$	35.5	$	—	$	289.5	$	184.5	$	—	$	509.5
Export	161.8		—		—		—		—		161.8
Total thermal	197.3		—		289.5		184.5		—		671.3
Metallurgical coal
Export	—		282.3		—		—		—		282.3
Total metallurgical	—		282.3		—		—		—		282.3
Other	0.2		0.7		—		—		18.8		19.7
Revenue	$	197.5	$	283.0	$	289.5	$	184.5	$	18.8	$	973.3

	Three Months Ended March 31, 2025
	Seaborne Thermal		Seaborne Metallurgical		Powder River Basin		Other U.S. Thermal		Corporate and Other (1)		Consolidated
	(Dollars in millions)
Thermal coal
Domestic	$	37.7	$	—	$	275.5	$	168.7	$	—	$	481.9
Export	227.3		—		—		—		—		227.3
Total thermal	265.0		—		275.5		168.7		—		709.2
Metallurgical coal
Export	—		219.7		—		—		—		219.7
Total metallurgical	—		219.7		—		—		—		219.7
Other	0.1		0.4		0.1		—		7.5		8.1
Revenue	$	265.1	$	220.1	$	275.6	$	168.7	$	7.5	$	937.0

(1)    Corporate and Other includes the following:

	Three Months Ended March 31,
	2026		2025
	(Dollars in millions)
Revenue from physical sale of coal (2)	$	13.7	$	4.0
Other	5.1		3.5
Total Corporate and Other	$	18.8	$	7.5

(2)    Includes revenue recognized upon the physical sale of coal purchased from the Company’s reportable segments and sold to customers through the Company’s coal trading business. Primarily represents the difference between the price contracted with the customer and the price allocated to the reportable segment.

8

PEABODY ENERGY CORPORATION

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

Accounts Receivable

“Accounts receivable, net” at March 31, 2026 and December 31, 2025 consisted of the following:

	March 31, 2026		December 31, 2025
	(Dollars in millions)
Trade receivables, net	$	254.1	$	267.0
Miscellaneous receivables, net	55.4		47.9
Accounts receivable, net	$	309.5	$	314.9

None of the above receivables included allowances for credit losses at March 31, 2026 or December 31, 2025. No charges for credit losses were recognized during the three months ended March 31, 2026 or 2025.

(4)     Inventories

“Inventories, net” as of March 31, 2026 and December 31, 2025 consisted of the following:

	March 31, 2026		December 31, 2025
	(Dollars in millions)
Materials and supplies, net	$	172.5	$	161.6
Saleable coal	154.2		126.0
Raw coal	78.8		95.6
Inventories, net	$	405.5	$	383.2

Materials and supplies inventories, net presented above have been shown net of reserves of $5.2 million and $5.1 million as of March 31, 2026 and December 31, 2025, respectively.

(5) Equity Method Investments

The Company’s equity method investments include its interests in Middlemount Coal Pty Ltd. (Middlemount) and certain other equity method investments, including R3 Renewables II LLC (R3 II).

The table below summarizes the book value of those investments, which are reported in “Investments and other assets” in the condensed consolidated balance sheets, and the related “Loss from equity affiliates” in the unaudited condensed consolidated statements of operations:

					Loss from Equity Affiliates
	Book Value at				Three Months Ended March 31,
	March 31, 2026		December 31, 2025		2026		2025
	(Dollars in millions)
Equity method investment related to Middlemount	$	44.0	$	47.5	$	4.5	$	6.3
Other equity method investments	—		—		1.2		0.4
Total equity method investments	$	44.0	$	47.5	$	5.7	$	6.7

Peabody has a 25% equity interest in R3 II. The unrelated party with the remaining equity interest in R3 II has a contingent consideration for the future obligation to pay Peabody milestone payments as defined when R3 II was established in 2024.

(6) Derivatives and Fair Value Measurements

Derivatives

From time to time, the Company may utilize various types of derivative instruments to manage its exposure to risks in the normal course of business, including (1) foreign currency exchange rate risk and the variability of cash flows associated with forecasted Australian dollar expenditures made in its Australian mining platform and (2) price risk of fluctuating coal prices related to forecasted sales or purchases of coal, or changes in the fair value of a fixed price physical sales contract. These risk management activities are actively monitored for compliance with the Company’s risk management policies.

9

PEABODY ENERGY CORPORATION

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

On a limited basis, the Company engages in the direct and brokered trading of coal and freight-related contracts. Except those contracts for which the Company has elected to apply a normal purchases and normal sales exception, all derivative coal trading contracts are accounted for at fair value.

Foreign Currency

The Company utilizes options and collars to hedge currency risk associated with anticipated Australian dollar operating expenditures. As of March 31, 2026, the Company held average rate options with an aggregate notional amount of $528.0 million Australian dollars to hedge currency risk associated with anticipated Australian dollar operating expenditures over the nine-month period ending December 31, 2026. The instruments entitle the Company to receive payment on the notional amount should the quarterly average Australian dollar-to-U.S. dollar exchange rate exceed amounts ranging from $0.71 to $0.76 over the nine-month period ending December 31, 2026. As of March 31, 2026, the Company also held purchased collars with an aggregate notional amount of $539.0 million Australian dollars related to anticipated Australian dollar operating expenditures during the nine-month period ending December 31, 2026. The purchased collars have a floor ranging from $0.60 to $0.66 and a ceiling ranging from $0.70 to $0.76, whereby the Company will incur a loss on the instruments for quarterly average Australian dollar-to-U.S. dollar exchange rates below the floor and a gain for quarterly average rates above the ceiling.

Tabular Derivatives Disclosures

The Company has master netting agreements with certain of its counterparties which allow for the settlement of contracts in an asset position with contracts in a liability position in the event of default or termination. Such netting arrangements reduce the Company’s credit exposure related to these counterparties. For classification purposes, the Company records the net fair value of all the positions with a given counterparty as a net asset or liability in the condensed consolidated balance sheets. As of March 31, 2026, the Company had an asset derivative comprised of foreign currency option contracts with a fair value of $3.0 million. As of December 31, 2025, the Company had an asset derivative comprised of foreign currency option contracts with a fair value of $2.7 million. The net amount of asset derivatives is included in “Other current assets” and the net amount of liability derivatives is included in “Accounts payable and accrued expenses” in the accompanying condensed consolidated balance sheets.

The Company does not seek cash flow hedge accounting treatment for its derivative financial instruments and, thus, changes in fair value are reflected in current earnings. The tables below show the amounts of pretax gains and losses related to the Company’s derivatives and their classification within the accompanying unaudited condensed consolidated statements of operations.

		Three Months Ended March 31, 2026
		Total gain recognized in income		Gain realized in income on derivatives		Unrealized gain recognized in income on derivatives
Derivative Instrument	Classification
		(Dollars in millions)
Foreign currency option contracts	Operating costs and expenses	$	0.6	$	0.3	$	0.3
Total		$	0.6	$	0.3	$	0.3
		Three Months Ended March 31, 2025
		Total gain recognized in income		Loss realized in income on derivatives		Unrealized gain recognized in income on derivatives
Derivative Instrument	Classification
		(Dollars in millions)
Foreign currency option contracts	Operating costs and expenses	$	3.6	$	(0.7)	$	4.3
Total		$	3.6	$	(0.7)	$	4.3

The Company classifies derivative-related activity within the “Cash Flows From Operating Activities” section of the unaudited condensed consolidated statements of cash flows.

10

PEABODY ENERGY CORPORATION

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

Fair Value Measurements

The Company uses a three-level fair value hierarchy that categorizes assets and liabilities measured at fair value based on the observability of the inputs utilized in the valuation. These levels include: Level 1 - inputs are quoted prices in active markets for the identical assets or liabilities; Level 2 - inputs are other than quoted prices included in Level 1 that are directly or indirectly observable through market-corroborated inputs; and Level 3 - inputs are unobservable, or observable but cannot be market-corroborated, requiring the Company to make assumptions about pricing by market participants.

The following tables set forth the hierarchy of the Company’s net asset positions for which fair value is measured on a recurring basis.

	March 31, 2026
	Level 1		Level 2		Level 3		Total
	(Dollars in millions)
Foreign currency option contracts	$	—	$	3.0	$	—	$	3.0
Total net assets	$	—	$	3.0	$	—	$	3.0
	December 31, 2025
	Level 1		Level 2		Level 3		Total
	(Dollars in millions)
Foreign currency option contracts	$	—	$	2.7	$	—	$	2.7
Total net assets	$	—	$	2.7	$	—	$	2.7

For Level 1 and 2 financial assets and liabilities, the Company utilizes both direct and indirect observable price quotes, including interest rate yield curves, exchange indices, broker/dealer quotes, published indices, issuer spreads, benchmark securities and other market quotes. In the case of certain debt securities, fair value is provided by a third-party pricing service. Below is a summary of the Company’s valuation techniques for Level 1 and 2 financial assets and liabilities:

•Foreign currency option contracts are valued utilizing inputs obtained in quoted public markets (Level 2) except when credit and non-performance risk is considered to be a significant input, then the Company classifies such contracts as Level 3.

Other Financial Instruments. The following methods and assumptions were used by the Company in estimating fair values for other financial instruments as of March 31, 2026 and December 31, 2025:

•Cash and cash equivalents, restricted cash, accounts receivable, including those within the Company’s accounts receivable securitization program, notes receivable and accounts payable have carrying values which approximate fair value due to the short maturity or the liquid nature of these instruments.

•Long-term debt fair value estimates are based on observed prices for securities when available (Level 2), and otherwise on estimated borrowing rates to discount the cash flows to their present value (Level 3).

Market risk associated with the Company’s fixed-rate long-term debt relates to the potential reduction in the fair value from an increase in interest rates. The fair value of debt, shown below, is principally based on reported market values and estimates based on interest rates, maturities, credit risk, underlying collateral and completed market transactions.

	March 31, 2026		December 31, 2025
	(Dollars in millions)
Total debt at par value	$	339.1	$	340.8
Less: Unamortized debt issuance costs	(3.9)		(4.4)
Net carrying amount	$	335.2	$	336.4
Estimated fair value	$	605.8	$	557.8

The Company had no transfers between Levels 1, 2 and 3 during the three months ended March 31, 2026 and 2025. The Company’s policy is to value all transfers between levels using the beginning of period valuation.

11

PEABODY ENERGY CORPORATION

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(7) Property, Plant, Equipment and Mine Development

The composition of property, plant, equipment and mine development, net, as of March 31, 2026 and December 31, 2025 is set forth in the table below:

	March 31, 2026		December 31, 2025
	(Dollars in millions)
Land and coal interests	$	2,689.3	$	2,691.2
Buildings and improvements	760.5		758.8
Machinery and equipment	2,405.9		2,377.1
Less: Accumulated depreciation, depletion and amortization	(2,725.8)		(2,673.8)
Property, plant, equipment and mine development, net	$	3,129.9	$	3,153.3

At-Risk Assets

The Company identified certain assets with an aggregate carrying value of approximately $60 million at March 31, 2026 in its Other U.S. Thermal segment whose recoverability is most sensitive to customer concentration risk.

(8)  Income Taxes

The Company's effective tax rate before remeasurement for the three months ended March 31, 2026 is based on the Company’s estimated full year effective tax rate, comprised of expected statutory tax provision, offset by foreign rate differential and changes in valuation allowance. The Company’s income tax benefit of $16.0 million and income tax provision of $4.9 million for the three months ended March 31, 2026 and 2025, respectively, included a tax benefit of $0.2 million and a tax provision of $0.5 million, respectively, related to the remeasurement of foreign income tax accounts. Due to existing valuation allowances, the income tax (benefit) provision is primarily related to the Australian results of operations.

(9)     Long-term Debt 

The Company’s total indebtedness as of March 31, 2026 and December 31, 2025 consisted of the following:

Debt Instrument (defined below, as applicable)	March 31, 2026		December 31, 2025
	(Dollars in millions)
3.250% Convertible Senior Notes due March 2028 (2028 Convertible Notes)	$	320.0	$	320.0
Finance lease obligations	19.1		20.8
Less: Debt issuance costs	(3.9)		(4.4)
	335.2		336.4
Less: Current portion of long-term debt	14.3		15.2
Long-term debt	$	320.9	$	321.2

2028 Convertible Notes

On March 1, 2022, through a private offering, the Company issued the 2028 Convertible Notes in the aggregate principal amount of $320.0 million. The 2028 Convertible Notes are senior unsecured obligations of the Company and are governed under an indenture.

The 2028 Convertible Notes will mature on March 1, 2028, unless earlier converted, redeemed or repurchased in accordance with their terms. The 2028 Convertible Notes bear interest at a rate of 3.250% per year, payable semi-annually in arrears on March 1 and September 1 of each year.

12

PEABODY ENERGY CORPORATION

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

The initial conversion rate for the 2028 Convertible Notes was 50.3816 shares of the Company’s common stock per $1,000 principal amount of 2028 Convertible Notes, which represented an initial conversion price of approximately $19.85 per share of the Company’s common stock. The terms of the indenture require conversion rate adjustments upon the payment of dividends to holders of the Company’s common stock once such cumulative dividends impact the conversion rate by at least 1%. Effective November 13, 2025, the conversion rate was increased to 52.3853 shares of the Company’s common stock per $1,000 principal amount of 2028 Convertible Notes, which represented an adjusted conversion price of approximately $19.09 per share. Under the applicable conversion rate formula, the $0.075 per share dividend declared and paid since the prior conversion rate adjustment yielded a revised conversion rate of 52.5028 shares per $1,000 principal amount of 2028 Convertible Notes, which did not meet the 1% threshold to impact the existing conversion rate of 52.3853. The conversion rate may be impacted prospectively, based upon cumulative dividends paid. The conversion rate is also subject to further adjustment under certain circumstances in accordance with the terms of the indenture.

During both the fourth quarter of 2025 and the first quarter of 2026, the Company’s reported common stock prices prompted the conversion feature of the 2028 Convertible Notes. As a result, the 2028 Convertible Notes were convertible at the option of the holders during the first quarter of 2026, for which no conversion requests were received, and remain convertible during the second quarter of 2026. It is the Company’s current intent to settle any conversions of the 2028 Convertible Notes through shares of its common stock. As such, the 2028 Convertible Notes are not classified as a current obligation in the accompanying condensed consolidated balance sheets. Through May 4, 2026, the Company has not received any conversion requests and does not anticipate receiving any conversion requests in the near term as the market value of the 2028 Convertible Notes exceeds their conversion value.

As of March 31, 2026, the if-converted value of the 2028 Convertible Notes exceeded the principal amount by $232.4 million.

Revolving Credit Facility

The Company established a revolving credit facility with a maximum aggregate principal amount of $320.0 million in revolving commitments by entering into a credit agreement, dated as of January 18, 2024 (the 2024 Credit Agreement), by and among the Company, as borrower, certain subsidiaries of the Company party thereto, PNC Bank, National Association, as administrative agent, and the lenders party thereto.

The revolving commitments and any related loans, if applicable (any such loans, the Revolving Loans), established by the 2024 Credit Agreement terminate or mature, as applicable, on January 18, 2028, subject to certain conditions relating to the Company’s outstanding 2028 Convertible Notes. The Revolving Loans bear interest at a secured overnight financing rate (SOFR) plus an applicable margin ranging from 3.50% to 4.25%, depending on the Company’s total net leverage ratio (as defined under the 2024 Credit Agreement) or a base rate plus an applicable margin ranging from 2.50% to 3.25%, at the Company’s option. Letters of credit issued under the 2024 Credit Agreement incur a combined fee equal to an applicable margin ranging from 3.50% to 4.25% plus a fronting fee equal to 0.125% per annum. Unused capacity under the 2024 Credit Agreement bears a commitment fee of 0.50% per annum.

As of March 31, 2026, the 2024 Credit Agreement had only been utilized for letters of credit, including $49.2 million outstanding as of March 31, 2026. These letters of credit support the Company’s reclamation bonding requirements, lease obligations, insurance policies and various other performance guarantees as further described in Note 12. “Financial Instruments and Other Guarantees.” Availability under the 2024 Credit Agreement was $270.8 million at March 31, 2026.

The 2024 Credit Agreement contains customary covenants that, among other things and subject to certain exceptions (including compliance with financial ratios), may limit the Company and its subsidiaries’ ability to incur additional indebtedness, make certain restricted payments or investments, sell or otherwise dispose of assets, enter into transactions with affiliates, create or incur liens, and merge, consolidate or sell all or substantially all of their assets. The 2024 Credit Agreement is secured by substantially all assets of the Company and its U.S. subsidiaries, as well as a pledge of two Australian subsidiaries.

13

PEABODY ENERGY CORPORATION

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

Interest Charges

The following table presents the components of the Company’s interest expense related to its indebtedness and financial assurance instruments such as surety bonds and letters of credit. Additionally, the table sets forth the amount of cash paid for interest, net of capitalized interest and the amount of non-cash interest expense primarily related to the amortization of debt issuance costs.

	Three Months Ended March 31,
	2026		2025
	(Dollars in millions)
2028 Convertible Notes	$	2.6	$	2.6
Finance lease obligations	0.3		0.4
Financial assurance instruments	6.7		7.2
Amortization of debt issuance costs	1.4		1.4
Receivables securitization program	0.6		0.6
Capitalized interest	(2.1)		(2.2)
Other	1.2		1.5
Interest expense, net of capitalized interest	$	10.7	$	11.5
Cash paid for interest, net of capitalized interest	$	9.9	$	9.9
Non-cash interest expense	$	1.4	$	1.6

Covenant Compliance

The Company was compliant with all relevant covenants under its debt and other finance agreements at March 31, 2026.

(10) Pension and Postretirement Benefit Costs

The components of net periodic pension, postretirement benefit and workers’ compensation costs, excluding the service cost for benefits earned, are included in “Net periodic benefit credit, excluding service cost” in the unaudited condensed consolidated statements of operations.

The Company sponsors a qualified pension plan. Annual contributions to the qualified plan are made in accordance with minimum funding standards. Funding decisions also consider certain funded status thresholds defined by the Pension Protection Act of 2006. As of March 31, 2026, the qualified plan was expected to be at or above the Pension Protection Act thresholds. The Company expects to contribute $2.0 million to the qualified plan in 2026 to maintain these thresholds and meet minimum funding requirements.

Net periodic postretirement benefit credit included the following components:

	Three Months Ended March 31,
	2026		2025
	(Dollars in millions)
Service cost for benefits earned	$	—	$	0.1
Interest cost on accumulated postretirement benefit obligation	1.6		2.0
Expected return on plan assets	—		(0.1)
Amortization of prior service credit	(2.8)		(10.2)
Net periodic postretirement benefit credit	$	(1.2)	$	(8.2)

The Company has established a Voluntary Employees’ Beneficiary Association (VEBA) trust to pre-fund a portion of benefits for non-represented retirees. The Company does not expect to make any discretionary contributions to the VEBA trust in 2026 and plans to utilize a portion of VEBA assets to make certain benefit payments.

14

PEABODY ENERGY CORPORATION

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(11) Earnings per Share (EPS)

Basic EPS is computed based on the weighted average number of shares of common stock outstanding during the period. Diluted EPS is computed based on the weighted average number of shares of common stock plus the effect of dilutive potential common shares outstanding. As such, the Company includes the 2028 Convertible Notes and share-based compensation awards in its potentially dilutive securities. Generally, dilutive securities are not included in the computation of loss per share when a company reports a net loss from continuing operations as the impact would be anti-dilutive.

For all but performance units, the potentially dilutive impact of the Company’s share-based compensation awards is determined using the treasury stock method. Under the treasury stock method, awards are treated as if they had been exercised with any proceeds used to repurchase common stock at the average market price during the period. Any incremental difference between the assumed number of shares issued and purchased is included in the diluted share computation. For performance units, their contingent features result in an assessment for any potentially dilutive common stock by using the end of the reporting period as if it were the end of the contingency period for all units granted.

A conversion of the 2028 Convertible Notes may result in payment in the Company’s common stock. For diluted EPS purposes, the potentially dilutive common stock is assumed to have been converted at the beginning of the period (or at the time of issuance, if later). In periods where the potentially dilutive common stock is included in the computation of diluted EPS, the numerator will be adjusted to add back tax adjusted interest expense, which includes the amortization of debt issuance costs, related to the convertible debt. The computation of diluted EPS excluded 16.8 million shares related to the 2028 Convertible Notes for the three months ended March 31, 2026, because their inclusion would have been anti-dilutive for those periods.

The computation of diluted EPS also excluded aggregate share-based compensation awards of 1.3 million shares and 0.3 million shares for the three months ended March 31, 2026 and 2025, respectively, because to do so would have been anti-dilutive for those periods. Because the potential dilutive impact of such share-based compensation awards is calculated under the treasury stock method, anti-dilution generally occurs when the exercise prices or unrecognized compensation cost per share of such awards are higher than the Company’s average stock price during the applicable period. Anti-dilution also occurs when a company reports a net loss from continuing operations, and the dilutive impact of all share-based compensation awards are excluded accordingly.

15

PEABODY ENERGY CORPORATION

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

The following illustrates the earnings allocation method utilized in the calculation of basic and diluted EPS.

	Three Months Ended March 31,
	2026		2025
	(In millions, except per share data)
Basic EPS numerator:
(Loss) income from continuing operations, net of income taxes	$	(25.4)	$	38.3
Less: Net income attributable to noncontrolling interests	6.8		3.6
(Loss) income from continuing operations attributable to common stockholders	(32.2)		34.7
Loss from discontinued operations, net of income taxes	(0.2)		(0.3)
Net (loss) income attributable to common stockholders	$	(32.4)	$	34.4
Diluted EPS numerator:
(Loss) income from continuing operations, net of income taxes	$	(25.4)	$	38.3
Add: Tax adjusted interest expense related to 2028 Convertible Notes	—		3.1
Less: Net income attributable to noncontrolling interests	6.8		3.6
(Loss) income from continuing operations attributable to common stockholders	(32.2)		37.8
Loss from discontinued operations, net of income taxes	(0.2)		(0.3)
Net (loss) income attributable to common stockholders	$	(32.4)	$	37.5
EPS denominator:
Weighted average shares outstanding — basic	122.0		121.7
Dilutive impact of share-based compensation awards	—		0.6
Dilutive impact of 2028 Convertible Notes	—		16.4
Weighted average shares outstanding — diluted	122.0		138.7
Basic EPS attributable to common stockholders:
(Loss) income from continuing operations	$	(0.26)	$	0.29
Loss from discontinued operations	(0.01)		(0.01)
Net (loss) income attributable to common stockholders	$	(0.27)	$	0.28
Diluted EPS attributable to common stockholders:
(Loss) income from continuing operations	$	(0.26)	$	0.27
Loss from discontinued operations	(0.01)		—
Net (loss) income attributable to common stockholders	$	(0.27)	$	0.27

(12) Financial Instruments and Other Guarantees

In the normal course of business, the Company is a party to various guarantees and financial instruments that carry off-balance-sheet risk and are not reflected in the accompanying condensed consolidated balance sheets. Such financial instruments provide support for the Company’s reclamation bonding requirements, lease obligations, insurance policies and various other performance guarantees. The Company periodically evaluates the instruments for on-balance-sheet treatment based on the amount of exposure under the instrument and the likelihood of required performance. The Company does not expect any material losses to result from these guarantees or off-balance-sheet instruments in excess of liabilities provided for in the accompanying condensed consolidated balance sheets.

16

PEABODY ENERGY CORPORATION

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

The following table summarizes the Company’s financial instruments that carry off-balance-sheet risk.

	March 31, 2026
	Reclamation Support		Other Support (1)		Total
	(Dollars in millions)
Surety bonds	$	937.5	$	82.1	$	1,019.6
Letters of credit (2)	53.5		61.7		115.2
	991.0		143.8		1,134.8
Less: Letters of credit in support of surety bonds (3)	(53.5)		(1.7)		(55.2)
Obligations supported, net	$	937.5	$	142.1	$	1,079.6

(1)    Instruments support obligations related to leases, health care plans, workers’ compensation, property and casualty insurance, customer and vendor contracts and certain restoration ancillary to prior mining activities.

(2)    Amounts do not include cash-collateralized letters of credit.

(3)    Certain letters of credit serve as collateral for surety bonds at the request of surety bond providers.

Surety Agreement Amendment and Collateral Requirements

In April 2023, the Company amended its existing agreement with the providers of its surety bond portfolio, dated November 6, 2020. Under the April 2023 amendment, the Company and its surety providers agreed to a maximum aggregate collateral amount based upon bonding levels which will vary prospectively as bonding levels increase or decrease. The amendment also extended the agreement through December 31, 2026. In order to maintain the maximum collateral agreement, the Company must remain compliant with a minimum liquidity test and a maximum net leverage ratio, as measured each quarter. The minimum liquidity test requires the Company to maintain liquidity at the greater of $400 million or the difference between the penal sum of all surety bonds included within the surety bond portfolio and the amount of collateral posted in favor of surety providers, which was $479.0 million at March 31, 2026. The Company must also maintain a maximum net leverage ratio of 1.5 to 1.0, where the numerator consists of its funded debt, net of cash, and the denominator consists of its Adjusted EBITDA for the trailing twelve months. For purposes of calculating the ratio, only 50% of the outstanding principal amount of the Company’s 2028 Convertible Notes is deemed to be funded debt. The Company’s ability to pay dividends and make share repurchases is also subject to the quarterly minimum liquidity test. The Company is in compliance with such requirements at March 31, 2026.

At March 31, 2026, the Company’s maximum aggregate collateral amount was $504.1 million, which was comprised of $377.7 million in trust accounts and letters of credit of $126.4 million held for the benefit of certain surety providers.

Accounts Receivable Securitization

In 2017, the Company entered into the Sixth Amended and Restated Receivables Purchase Agreement, as amended from time to time. The receivables securitization program authorized under the agreement (Securitization Program) is subject to customary events of default. The Securitization Program provides up to $225.0 million of funding capacity which is accounted for as a secured borrowing, limited to the availability of eligible receivables, and may be secured by a combination of collateral and the trade receivables underlying the program. Funding capacity under the Securitization Program may also be utilized for letters of credit in support of other obligations, which has been the Company’s primary utilization. The accounts receivable securitization program was amended in January 2025 to extend its maturity to January 2028. The Company capitalized $1.8 million of debt issuance costs related to the amendment.

Borrowings under the Securitization Program bear interest at SOFR plus 2.1% per annum and remain outstanding throughout the term of the agreement, subject to the Company maintaining sufficient eligible receivables.

At March 31, 2026, the Company had no outstanding borrowings and $66.0 million of letters of credit outstanding under the Securitization Program. Availability under the Securitization Program, which is adjusted for certain ineligible receivables, was $104.9 million at March 31, 2026. The Company was not required to post cash collateral under the Securitization Program at March 31, 2026.

The Company incurred interest and fees associated with the Securitization Program of $0.6 million during the three months ended March 31, 2026 and 2025, which have been recorded as “Interest expense, net of capitalized interest” in the accompanying unaudited condensed consolidated statements of operations.

17

PEABODY ENERGY CORPORATION

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

Credit Support Facilities

In February 2022, the Company entered into an agreement which provides up to $250.0 million of capacity for irrevocable standby letters of credit, primarily to support reclamation bonding requirements. Outstanding letters of credit bear a fixed fee in the amount of 0.75% per annum. The Company receives a variable deposit rate on the amount of cash collateral posted in support of letters of credit. The agreement was amended on November 3, 2025, to (i) extend the expiration date to December 31, 2030 and (ii) reduce the required minimum cash collateral amount to 102% of the aggregate amount of letters of credit outstanding under the agreement, provided that in the event the Company’s credit rating falls below certain thresholds, the minimum collateral amount shall increase to 103%. At March 31, 2026, letters of credit of $78.1 million were outstanding under the agreement.

In December 2023, the Company established cash-backed bank guarantee facilities, primarily to support Australian reclamation bonding requirements. At March 31, 2026, guarantees of $218.5 million were issued for which the Company receives a variable deposit rate on the amount of cash collateral posted in support of the facilities, which mature at various dates between 2026 and 2030.

Restricted Cash and Collateral

The following table summarizes the Company’s “Restricted cash and collateral” in the accompanying condensed consolidated balance sheets. Restricted cash balances are held in controlled accounts with minimum balance requirements; withdrawals are subject to the approval of account beneficiaries, such as the Company’s surety providers, who have perfected security interests in the funds. The Company’s other cash collateral generally includes deposits held by regulatory authorities or financial institutions over which the Company has no control or ability to access. Portions of the restricted cash balances and deposits are held in accounts denominated in Australian dollars.

	March 31, 2026		December 31, 2025
	(Dollars in millions)
Restricted cash (1)
Surety trust accounts (2)	$	377.7	$	383.6
Credit support facilities (2) (3)	298.2		325.6
	675.9		709.2
Other cash collateral (1)
Deposits with regulatory authorities for reclamation and other obligations (3)	135.4		134.9
Restricted cash and collateral	$	811.3	$	844.1

(1)    Restricted cash balances are combined with unrestricted cash and cash equivalents in the accompanying unaudited condensed consolidated statements of cash flows; changes between unrestricted cash and cash equivalents and restricted cash balances are thus not reflected in the operating, investing or financing activities therein. Changes in other cash collateral balances are reflected as operating activities therein.

(2)    Surety trust accounts, the funding for collateralized letters of credit and cash supporting the bank guarantee facilities are comprised of highly liquid investments with original maturities of three months or less; interest and other earnings on such funds accrue to the Company.

(3)    At March 31, 2026, the Australian dollar denominated balances supporting the bank guarantee facilities and the deposits with regulatory authorities were $319 million and $198 million, respectively. At December 31, 2025, the Australian dollar denominated balances supporting the bank guarantee facilities and the deposits with regulatory authorities were $312 million and $201 million, respectively.

(13) Commitments and Contingencies

Commitments

Unconditional Purchase Obligations

As of March 31, 2026, purchase commitments for capital expenditures were $51.9 million, all of which is obligated within the next 12 months.

There were no other material changes to the Company’s commitments from the information provided in Note 20. “Commitments and Contingencies” to the consolidated financial statements in the Company’s Annual Report on Form 10-K for the year ended December 31, 2025.

18

PEABODY ENERGY CORPORATION

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

Contingencies

From time to time, the Company or its subsidiaries are involved in legal proceedings arising in the ordinary course of business or related to indemnities or historical operations. The Company believes it has recorded adequate reserves for these liabilities. The Company discusses its significant legal proceedings below, including ongoing proceedings and those that impacted the Company’s consolidated results of operations for the periods presented.

Litigation and Matters Relating to Continuing Operations

Arbitration Relating to Terminated Anglo American plc (Anglo) Acquisition. On November 25, 2024, Peabody entered into definitive agreements (the Purchase Agreements) to acquire from Anglo a portion of the assets and businesses associated with Anglo’s metallurgical coal portfolio in Australia, including Anglo’s interests in the Moranbah North and Grosvenor mines, the Moranbah South development project, the Capcoal complex, the Roper Creek mine and the Dawson complex (comprising the Dawson Main/Central operating mine, the Dawson South operating mine, the Dawson South Exploration project and the Theodore South exploration project, collectively, the Dawson Assets). The Company agreed to, following the prospective closing of the Anglo acquisition, sell the Dawson Assets to Pt Bukit Makmur Mandiri Utama or one of its subsidiaries (BUMA).

On August 19, 2025, Peabody terminated the Purchase Agreements. The termination of the Purchase Agreements followed Peabody’s prior delivery of a notice of a Material Adverse Change (MAC) as a result of an ignition event at the Moranbah North mine on March 31, 2025, which had led to the closure of the mine. Following Peabody’s termination of the Purchase Agreements, Anglo returned $29.0 million of the $75.0 million deposit previously paid by Peabody, and Peabody has demanded the outstanding portion of the deposit also be returned.

On September 23, 2025, various subsidiaries of Anglo initiated International Chamber of Commerce arbitration proceedings in London, United Kingdom, against Peabody and certain of its affiliates. Anglo’s complaint alleges, among other things, that Peabody wrongfully terminated the Purchase Agreements and seeks, among other things, declarations that the ignition event at the Moranbah North mine did not constitute a MAC, as well as damages for losses in an unspecified amount, plus costs and interest. Peabody remains confident that a MAC occurred, and that it was entitled to terminate the Purchase Agreements.

Other

At times, the Company becomes a party to other disputes, including those related to contract miner performance, claims, lawsuits, arbitration proceedings, regulatory investigations and administrative procedures in the ordinary course of business in the U.S., Australia and other countries where the Company does business. Based on current information, the Company believes that such other pending or threatened proceedings are likely to be resolved without a material adverse effect on its consolidated financial condition, results of operations or cash flows. The Company reassesses the probability and the ability to estimate contingent losses as new information becomes available.

(14) Segment Information

The Company reports its results of operations primarily through the following reportable segments: Seaborne Thermal, Seaborne Metallurgical, Powder River Basin and Other U.S. Thermal.

The Company’s chief operating decision maker (CODM), defined as the President and Chief Executive Officer, uses Adjusted EBITDA as the primary financial metric to measure each segment’s operating performance against expected results and to allocate resources, including capital investment in mining operations and potential expansions. Adjusted EBITDA is a non-GAAP financial measure defined as (loss) income from continuing operations before deducting net interest expense, income taxes, asset retirement obligation expenses and depreciation, depletion and amortization. Adjusted EBITDA is also adjusted for the discrete items that management excluded in analyzing the reportable segments’ operating performance, as displayed in the reconciliations below. Management believes this non-GAAP measure is used by investors to measure the Company’s operating performance. Adjusted EBITDA is not intended to serve as an alternative to U.S. GAAP measures of performance and may not be comparable to similarly-titled measures presented by other companies.

19

PEABODY ENERGY CORPORATION

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

Reportable segment results were as follows:

	Three Months Ended March 31, 2026
	Seaborne Thermal		Seaborne Metallurgical		Powder River Basin		Other U.S. Thermal		Reportable Segment Totals
	(Dollars in millions)
Revenue	$	197.5	$	283.0	$	289.5	$	184.5	$	954.5
Less Significant Segment Expenses:
Labor costs	35.7		71.2		60.1		51.3
Repair costs	29.4		64.5		36.6		32.4
Outside services	23.2		101.6		38.3		32.7
Commodities expense	21.1		13.2		50.9		22.9
Sales related costs	39.5		69.0		63.8		11.9
Other expenses (1)	0.1		(29.5)		16.1		(4.5)
Adjusted EBITDA	48.5		(7.0)		23.7		37.8		103.0
Additions to property, plant, equipment and mine development	8.6		55.0		15.4		5.2		84.2

	Three Months Ended March 31, 2025
	Seaborne Thermal		Seaborne Metallurgical		Powder River Basin		Other U.S. Thermal		Reportable Segment Totals
	(Dollars in millions)
Revenue	$	265.1	$	220.1	$	275.6	$	168.7	$	929.5
Less Significant Segment Expenses:
Labor costs	35.1		55.0		49.8		50.2
Repair costs	24.8		47.0		31.5		34.1
Outside services	26.8		72.1		31.1		35.8
Commodities expense	19.1		13.4		38.7		19.5
Sales related costs	54.6		54.0		75.3		10.0
Other expenses (1)	20.5		(34.6)		12.9		(13.8)
Adjusted EBITDA	84.2		13.2		36.3		32.9		166.6
Additions to property, plant, equipment and mine development	8.5		53.2		3.9		4.6		70.2

(1)    Other expenses primarily include lease expense, non-sales related taxes, insurance expense and joint facility charges; offset by credits related to the capitalization of costs to the condensed consolidated balance sheet.

Total assets are reflected at the division level only for the Company’s reportable segments and are not allocated between each individual reportable segment as such information is not regularly reviewed by the Company’s CODM. Further, some assets service more than one reportable segment within the division and an allocation of such assets would not be meaningful or representative on a reportable segment by reportable segment basis. Assets related to closed, suspended or otherwise inactive mines are included within the Corporate and Other category.

The following table presents total assets at the division level:

	March 31, 2026		December 31, 2025
	(Dollars in millions)
Seaborne	$	2,537.4	$	2,543.4
U.S. Thermal	1,318.1		1,301.7
Corporate and Other	1,854.5		1,962.1
Total assets	$	5,710.0	$	5,807.2

20

PEABODY ENERGY CORPORATION

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

A reconciliation of reportable segment totals follows:

	Three Months Ended March 31,
	2026		2025
	(Dollars in millions)
Revenue from reportable segments	$	954.5	$	929.5
Reconciling items
Corporate and Other	18.8		7.5
Revenue	$	973.3	$	937.0
Adjusted EBITDA from reportable segments	$	103.0	$	166.6
Reconciling items
Corporate and Other (1)	(20.5)		(22.6)
Depreciation, depletion and amortization	(109.5)		(92.1)
Asset retirement obligation expenses	(13.6)		(13.6)
Restructuring charges	(1.1)		(1.7)
Costs related to terminated acquisition	(3.0)		(2.4)
Changes in amortization of basis difference related to equity affiliates	0.6		0.6
Interest expense, net of capitalized interest	(10.7)		(11.5)
Interest income	13.1		15.4
Unrealized gains on foreign currency option contracts	0.3		4.3
Take-or-pay contract-based intangible recognition	—		0.2
(Loss) income from continuing operations before incomes taxes	$	(41.4)	$	43.2
Additions to property, plant, equipment and mine development from reportable segments	$	84.2	$	70.2
Reconciling items
Corporate and Other	1.2		0.2
Additions to property, plant, equipment and mine development	$	85.4	$	70.4

(1)    Corporate and Other includes selling and administrative expenses, results from equity method investments, trading and brokerage activities, minimum charges on certain transportation-related contracts, the closure of inactive mining sites, the impact of foreign currency remeasurement and certain commercial matters.

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Item 2.    Management’s Discussion and Analysis of Financial Condition and Results of Operations.

As used in this report, the terms “Peabody” or “the Company” refer to Peabody Energy Corporation or its applicable subsidiary or subsidiaries. Unless otherwise noted herein, disclosures in this Quarterly Report on Form 10-Q relate only to the Company’s continuing operations.

When used in this filing, the term “ton” refers to short or net tons, equal to 2,000 pounds (907.18 kilograms), while “tonne” refers to metric tons, equal to 2,204.62 pounds (1,000 kilograms).

Cautionary Notice Regarding Forward-Looking Statements

This report includes statements of the Company’s expectations, intentions, plans and beliefs that constitute “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended (the Securities Act), and Section 21E of the Securities Exchange Act of 1934, as amended (the Exchange Act), and are intended to come within the safe harbor protection provided by those sections. These statements relate to future events or the Company’s future financial performance. The Company uses words such as “anticipate,” “believe,” “expect,” “intend,” “may,” “forecast,” “project,” “should,” “estimate,” “goal,” “plan,” “outlook,” “target,” “likely,” “could,” “will,” “would,” “to be” or other similar words to identify forward-looking statements.

Without limiting the foregoing, all statements relating to the Company’s future operating results, anticipated capital expenditures, future cash flows and borrowings, and sources of funding are forward-looking statements and speak only as of the date of this report. These forward-looking statements are based on numerous assumptions and expectations that the Company believes in good faith to be reasonable, but are subject to a wide range of uncertainties and business risks, and actual results may differ materially from those discussed in these statements. These factors are difficult to accurately predict and may be beyond the Company’s control.

When considering these forward-looking statements, you should keep in mind the cautionary statements in this document and in the Company’s other Securities and Exchange Commission (SEC) filings, including, but not limited to, the more detailed discussion of these factors and other factors that could affect its results contained in Item 1A. “Risk Factors” of Part II of this Quarterly Report on Form 10-Q and Item 1A. “Risk Factors” and Item 3. “Legal Proceedings” of Part I of its Annual Report on Form 10-K for the year ended December 31, 2025 filed with the SEC on February 19, 2026. These forward-looking statements speak only as of the date on which such statements were made, and the Company undertakes no obligation to update these statements except as required by federal securities laws.

Non-GAAP Financial Measures

The following discussion of Peabody’s results of operations includes references to and analysis of Adjusted EBITDA and Total Segment Costs, which are financial measures not recognized in accordance with United States generally accepted accounting principles (U.S. GAAP). Adjusted EBITDA is used by the chief operating decision maker, defined as Peabody’s President and Chief Executive Officer, as the primary financial metric to measure each segment’s operating performance against expected results and to allocate resources, including capital investment in mining operations and potential expansions. Total Segment Costs is also used by management as a component of a metric to measure each segment’s operating performance.

Also included in the following discussion of Peabody’s results of operations are references to Revenue per Ton, Costs per Ton and Adjusted EBITDA Margin per Ton for each reportable segment. These metrics are used by management to measure each reportable segment’s operating performance. Management believes Costs per Ton and Adjusted EBITDA Margin per Ton best reflect controllable costs and operating results at the reportable segment level. The Company considers all measures reported on a per ton basis to be operating/statistical measures; however, the Company includes reconciliations of the related non-GAAP financial measures (Adjusted EBITDA and Total Segment Costs) in the “Reconciliation of Non-GAAP Financial Measures” section contained within this Item 2.

Peabody believes non-GAAP measures are used by investors to measure its operating performance. These measures are not intended to serve as alternatives to U.S. GAAP measures of performance and may not be comparable to similarly-titled measures presented by other companies. Refer to the “Reconciliation of Non-GAAP Financial Measures” section contained within this Item 2 for definitions and reconciliations to the most comparable measures under U.S. GAAP.

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Overview

Peabody is a leading producer of metallurgical and thermal coal. In 2025, Peabody sold 122.0 million tons of coal. February 2026 marked the start-up of the Centurion Mine in the Seaborne Metallurgical segment. As a result, the Company owned interests in 17 active coal mining operations located in the United States (U.S.) and Australia at March 31, 2026. Included in that count is Peabody’s 50% equity interest in Middlemount Coal Pty Ltd (Middlemount), which owns the Middlemount Mine in Queensland, Australia.

The Company reports its results of operations primarily through the following reportable segments: Seaborne Thermal, Seaborne Metallurgical, Powder River Basin and Other U.S. Thermal. Refer to Note 14. “Segment Information” to the accompanying unaudited condensed consolidated financial statements for further information regarding those segments and the components of the Company’s Corporate and Other category.

Pricing during the three months ended March 31, 2026 is set forth in the table below.

	High		Low		Average		March 31, 2026		May 1, 2026
Premium low-vol hard coking coal (Premium HCC) (1)	$	252.50	$	218.00	$	234.67	$	236.80	$	230.80
Premium low-vol pulverized coal injection (Premium PCI) coal (1)	174.40		146.50		161.15		158.50		154.90
Newcastle index thermal coal (1)	143.71		107.05		118.75		143.71		131.67
API 5 index thermal coal (1)	88.00		70.88		80.84		88.00		96.79
PRB 8,800 Btu/Lb coal (2)	15.15		15.00		15.12		15.15		15.40
Illinois Basin 11,500 Btu/Lb coal (2)	55.75		51.25		53.46		55.75		55.50

(1)    Spot pricing expressed per metric tonne.

(2)    Prompt month pricing expressed per short ton.

The seaborne pricing included in the table above is not necessarily indicative of the pricing the Company realized during the three months ended March 31, 2026 due to quality differentials and a portion of its seaborne sales being executed through annual and multi-year international coal supply agreements that contain provisions requiring both parties to renegotiate pricing periodically, with spot, index and quarterly sales arrangements also utilized. The Company’s typical practice is to negotiate pricing for seaborne metallurgical coal contracts on a quarterly, spot or index basis and seaborne thermal coal contracts on an annual, spot or index basis.

In the U.S., the pricing included in the table above is also not necessarily indicative of the pricing the Company realized during the three months ended March 31, 2026 since the Company generally sells coal under long-term contracts where pricing is determined based on various factors. Such long-term contracts in the U.S. may vary significantly in many respects, including price adjustment features, price reopener terms, coal quality requirements, quantity parameters, permitted sources of supply, treatment of environmental constraints, extension options, force majeure and termination and assignment provisions. Competition from alternative fuels such as natural gas and other fuel sources may also impact the Company’s realized pricing.

Within the global coal industry, supply and demand for its products and the supplies used for mining are being impacted by recent geopolitical events and changes to trade policy, including tariffs and customs regulations. As future developments related to geopolitical events and trade policy, including additional or retaliatory tariffs, delays in implementing previously announced changes or ongoing negotiations between countries, are unknown, the global coal industry data for the three months ended March 31, 2026 presented herein may not be indicative of their ultimate impacts.

23

The seaborne metallurgical coal market experienced weather-related disruptions in Australia and supply tightness in key product segments. This, combined with steady import demand from key metallurgical coal import markets, contributed to the increases in average quarterly pricing for premium coking coal (17%) and PCI (15%) during the three months ended March 31, 2026 as compared to the three months ended December 31, 2025. In China, the continued implementation of anti-involution policies, mandated steel production limits and the introduction of steel export quotas have the potential to lead to decreased Chinese steel exports, while increasing steel-trade protectionism is supportive of steel production and seaborne metallurgical coal demand in markets outside of China. The biggest steel growth market, India, continued to see an increase in crude steel output in the quarter. Recent geopolitical events have increased the cost of seaborne energy, which has the potential to significantly impact the global ferrous complex, by placing upward pressure on raw material costs and downward pressure on steel product pricing through weakened downstream demand. Looking forward, the seaborne metallurgical coal price may remain volatile based on mining rates in Australia, geopolitical events, Chinese supply reforms and the pace of growth of the Indian steel industry.

Within the seaborne thermal coal market, global thermal coal prices started the year stable but increased during the three months ended March 31, 2026, due to the closure of the Strait of Hormuz and the conflict in the Middle East. The conflict has elevated global liquefied natural gas (LNG) prices and created volatility in global thermal energy markets. In China, power generation increased year-over-year through March 31, 2026, which has resulted in stronger thermal generation year-over-year. However, both domestic coal production and coal imports have remained flat year-over-year through the three months ended March 31, 2026. In India, stronger domestic coal production, lower import demand and slightly lower coal generation led to stable coal stockpiles. Looking forward, seaborne thermal coal prices may remain volatile based on accessibility to shipping in the Strait of Hormuz and the duration of the ongoing conflict in the Middle East. Approximately 20% of global LNG exports flow through the Strait of Hormuz, which has created volatility in the global LNG market, a main competitor of global coal generation. In addition, summer re-stocking activity in the Northern Hemisphere may impact global thermal coal markets in the coming months.

In the U.S., overall electricity demand increased just under 1% year-over-year through the three months ended March 31, 2026. Through the first three months of 2026, electricity generation from thermal coal decreased year-over-year, driven by lower natural gas prices, stronger renewable generation and milder winter weather in coal-heavy markets in the U.S. Coal’s share of electricity generation decreased to approximately 16% for the three months ended March 31, 2026, while wind and solar’s combined generation share was at 20% and the share of natural gas generation remained stable at approximately 37%. U.S. coal inventories have increased slightly compared to the end of 2025 through March 31, 2026.

Arbitration Relating to Terminated Anglo American Acquisition

On November 25, 2024, Peabody entered into definitive agreements (the Purchase Agreements) with Anglo American plc (Anglo), to acquire a portion of the assets and businesses associated with Anglo’s metallurgical coal portfolio in Australia, including Anglo’s interests in the Moranbah North and Grosvenor mines, the Moranbah South development project, the Capcoal complex, the Roper Creek mine and the Dawson complex (comprising the Dawson Main/Central operating mine, the Dawson South operating mine, the Dawson South Exploration project and the Theodore South exploration project, collectively, the Dawson Assets). The Company agreed to, following the prospective closing of the Anglo acquisition, sell the Dawson Assets to Pt Bukit Makmur Mandiri Utama or one of its subsidiaries (BUMA).

On August 19, 2025, Peabody terminated the Purchase Agreements. The termination of the Purchase Agreements followed Peabody’s prior delivery of a notice of a Material Adverse Change (MAC) as a result of an ignition event at the Moranbah North mine on March 31, 2025, which had led to the closure of the mine. See Note 13. “Commitments and Contingencies” to the accompanying unaudited condensed consolidated financial statements for further information.

On September 23, 2025, various subsidiaries of Anglo initiated International Chamber of Commerce arbitration proceedings in London, United Kingdom, against Peabody and certain of its affiliates. Anglo’s complaint alleges, among other things, that Peabody wrongfully terminated the Purchase Agreements and seeks, among other things, declarations that the ignition event at the Moranbah North mine did not constitute a MAC, as well as damages for losses in an unspecified amount, plus costs and interest. Peabody remains confident that a MAC occurred, and that it was entitled to terminate the Purchase Agreements.

Potential Recovery of Rare Earth Elements (REEs)

Peabody is advancing its evaluation of the potential recovery of REEs and critical minerals through ongoing testing to evaluate mineral types and concentrations at certain of its operations. The Company has continued to progress technical and economic studies, advance commercial partnerships and pursue multiple federal and state funding pathways to support domestic supply chain development.

24

Centurion Update

During the initial longwall commissioning, mechanical and electrical issues were encountered at the Centurion Mine. The issues were resolved, but the disruptions constrained cutting speeds which contributed to temporary challenges to roof conditions. The Company implemented a comprehensive response plan focused on proactive strata management, targeted equipment optimization and deployment of additional technical and operational resources. The Company anticipates completing commissioning and production ramp-up in the second quarter of 2026 and running at full longwall production rates during the second half of 2026.

Results of Operations

Three Months Ended March 31, 2026 Compared to the Three Months Ended March 31, 2025

Summary

The decrease in results from continuing operations, net of income taxes for the three months ended March 31, 2026 compared to the same period in the prior year ($63.7 million) was driven by higher operating costs and expenses ($94.5 million) and depreciation, depletion and amortization ($17.4 million). This unfavorable variance was partially offset by higher revenue ($36.3 million) driven by favorable volume and mix variances and lower year-over-year income taxes ($20.9 million).

Adjusted EBITDA for the three months ended March 31, 2026 reflected a year-over-year decrease of $61.5 million.

Tons Sold

The following table presents tons sold:

	Three Months Ended March 31,		(Decrease) Increase to Volumes
	2026	2025	Tons	%
	(Tons in millions)
Seaborne Thermal	3.0	4.4	(1.4)	(32)	%
Seaborne Metallurgical	2.0	1.8	0.2	11	%
Powder River Basin	21.2	19.6	1.6	8	%
Other U.S. Thermal	3.3	3.1	0.2	6	%
Total tons sold from reportable segments	29.5	28.9	0.6	2	%
Corporate and Other	0.1	—	0.1	n.m.
Total tons sold	29.6	28.9	0.7	2	%

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Supplemental Financial Data

The following table presents supplemental financial data by reportable segment:

	Three Months Ended March 31,				Increase (Decrease)
	2026		2025		$		%
Revenue per Ton (1)
Seaborne Thermal	$	66.61	$	60.64	$	5.97	10	%
Seaborne Metallurgical	138.28		125.15		13.13		10	%
Powder River Basin	13.65		14.02		(0.37)		(3)	%
Other U.S. Thermal	55.79		54.32		1.47		3	%
Costs per Ton (1)(2)
Seaborne Thermal	$	50.26	$	41.37	$	8.89	21	%
Seaborne Metallurgical	141.72		117.66		24.06		20	%
Powder River Basin	12.53		12.18		0.35		3	%
Other U.S. Thermal	44.37		43.71		0.66		2	%
Adjusted EBITDA Margin per Ton (1)(2)
Seaborne Thermal	$	16.35	$	19.27	$	(2.92)	(15)	%
Seaborne Metallurgical	(3.44)		7.49		(10.93)		(146)	%
Powder River Basin	1.12		1.84		(0.72)		(39)	%
Other U.S. Thermal	11.42		10.61		0.81		8	%

(1)This is an operating/statistical measure not recognized in accordance with U.S. GAAP. Refer to the “Reconciliation of Non-GAAP Financial Measures” section below for definitions and reconciliations to the most comparable measures under U.S. GAAP.

(2)Includes revenue-based production taxes and royalties; excludes depreciation, depletion and amortization; asset retirement obligation expenses; selling and administrative expenses; restructuring charges; asset impairment; amortization of take-or-pay contract-based intangibles; and certain other costs related to post-mining activities.

Revenue

The following table presents revenue by segment:

	Three Months Ended March 31,				(Decrease) Increase to Revenue
	2026		2025		$		%
	(Dollars in millions)
Seaborne Thermal	$	197.5	$	265.1	$	(67.6)	(25)	%
Seaborne Metallurgical	283.0		220.1		62.9		29	%
Powder River Basin	289.5		275.6		13.9		5	%
Other U.S. Thermal	184.5		168.7		15.8		9	%
Corporate and Other	18.8		7.5		11.3		151	%
Revenue	$	973.3	$	937.0	$	36.3	4	%

Seaborne Thermal. Segment revenue decreased during the three months ended March 31, 2026 compared to the same period in the prior year due to unfavorable volume ($91.8 million) driven by reductions at the Wilpinjong Mine due to mine sequencing and the closure of the Wambo Underground Mine in September 2025, partially offset by favorable realized prices ($24.2 million).

Seaborne Metallurgical. Segment revenue increased during the three months ended March 31, 2026 compared to the same period in the prior year due to favorable volume ($39.8 million) primarily from the Shoal Creek and Centurion Mines and favorable realized prices ($23.1 million).

26

Powder River Basin. Segment revenue increased during the three months ended March 31, 2026 compared to the same period in the prior year due to favorable volume ($22.6 million) driven by increased demand. The increase was offset by unfavorable realized prices ($8.7 million) which were driven by the impact of adjustments to cost pass-through contracts with certain customers resulting from the federal royalty rate reduction included in the One Big Beautiful Bill Act of 2025 (OBBBA).

Other U.S. Thermal. Segment revenue increased during the three months ended March 31, 2026 compared to the same period in the prior year due to favorable volume ($10.3 million) driven by increased demand and favorable realized prices ($5.5 million).

Corporate and Other. The increase in revenue during the three months ended March 31, 2026 compared to the same period in the prior year was primarily driven by higher results from trading activities.

Segment Costs

The following table presents costs by segment:

	Three Months Ended March 31,				(Decrease) Increase to Total Segment Costs
	2026		2025		$		%
	(Dollars in millions)
Seaborne Thermal	$	149.0	$	180.9	$	(31.9)	(18)	%
Seaborne Metallurgical	290.0		206.9		83.1		40	%
Powder River Basin	265.8		239.3		26.5		11	%
Other U.S. Thermal	146.7		135.8		10.9		8	%
Corporate and Other	13.1		4.4		8.7		198	%
Total Segment Costs (1)	$	864.6	$	767.3	$	97.3	13	%

(1)This is a financial measure not recognized in accordance with U.S. GAAP. Refer to the “Reconciliation of Non-GAAP Financial Measures” section below for definitions and reconciliations to the most comparable measures under U.S. GAAP.

Seaborne Thermal. Segment Costs decreased during the three months ended March 31, 2026 compared to the same period in the prior year due to lower variable operational costs ($17.1 million) and lower sales related costs ($15.1 million), which were both driven by decreased volume (1.4 million tons).

Seaborne Metallurgical. Segment Costs increased during the three months ended March 31, 2026 compared to the same period in the prior year due to higher costs for labor, repairs and outside services ($63.2 million) driven by challenging longwall commissioning conditions at the Centurion Mine and higher sales related costs ($15.0 million) resulting from increased volume (0.2 million tons) and higher realized pricing.

Powder River Basin. Segment Costs increased during the three months ended March 31, 2026 compared to the same period in the prior year due to higher costs for labor, repairs and outside services ($22.6 million) as the result of higher volume (1.6 million tons) and planned equipment outages and higher costs for commodities ($12.2 million). These increases were offset by lower sales related costs ($11.5 million) which were largely driven by the federal royalty rate reduction on coal production included in the OBBBA.

Other U.S. Thermal. Segment Costs increased during the three months ended March 31, 2026 compared to the same period in the prior year primarily due to higher variable operational costs ($9.9 million) driven by increased volume (0.2 million tons).

Corporate and Other. The increase to Segment Costs during the three months ended March 31, 2026 compared to the same period in the prior year was primarily driven by lower net periodic benefit credit, excluding service cost due to the final amortization in the prior year of a previously established prior service credit ($7.0 million).

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Adjusted EBITDA

The following table presents Adjusted EBITDA for each of the Company’s segments:

	Three Months Ended March 31,				(Decrease) Increase to Segment Adjusted EBITDA
	2026		2025		$		%
	(Dollars in millions)
Seaborne Thermal	$	48.5	$	84.2	$	(35.7)	(42)	%
Seaborne Metallurgical	(7.0)		13.2		(20.2)		(153)	%
Powder River Basin	23.7		36.3		(12.6)		(35)	%
Other U.S. Thermal	37.8		32.9		4.9		15	%
Corporate and Other	(20.5)		(22.6)		2.1		9	%
Adjusted EBITDA (1)	$	82.5	$	144.0	$	(61.5)	(43)	%

(1)This is a financial measure not recognized in accordance with U.S. GAAP. Refer to the “Reconciliation of Non-GAAP Financial Measures” section below for definitions and reconciliations to the most comparable measures under U.S. GAAP.

Seaborne Thermal. Segment Adjusted EBITDA decreased during the three months ended March 31, 2026 compared to the same period in the prior year due to unfavorable volume ($30.8 million), unfavorable operational costs at the Wilpinjong Mine ($22.8 million) driven by mine sequencing and the unfavorable impact of higher foreign exchange rates on expenses ($10.2 million). These decreases were offset by higher realized prices net of sales sensitive costs ($31.5 million).

Seaborne Metallurgical. Segment Adjusted EBITDA decreased during the three months ended March 31, 2026 compared to the same period in the prior year due to higher costs for labor, repairs and outside services, as described above, offset by higher realized prices net of sales sensitive costs ($27.4 million) and favorable volume ($12.0 million).

Powder River Basin. Segment Adjusted EBITDA decreased for the three months ended March 31, 2026 compared to the same period in the prior year due to higher costs for labor, repairs and outside services and commodities as described above, offset by favorable volume ($12.5 million) and lower sales related costs as described above.

Other U.S. Thermal. Segment Adjusted EBITDA increased during the three months ended March 31, 2026 compared to the same period in the prior year primarily due to higher realized prices net of sales sensitive costs ($4.1 million) and favorable volume ($2.4 million), offset by increased commodity pricing and usage ($3.4 million).

Corporate and Other Adjusted EBITDA. The following table presents a summary of the components of Corporate and Other Adjusted EBITDA:

	Three Months Ended March 31,				Increase (Decrease) to Adjusted EBITDA
	2026		2025		$		%
	(Dollars in millions)
Middlemount (1)	$	(5.0)	$	(6.9)	$	1.9	28	%
Resource management activities (2)	14.0		5.5		8.5		155	%
Selling and administrative expenses	(31.6)		(23.6)		(8.0)		(34)	%
Other items, net (3)	2.1		2.4		(0.3)		(13)	%
Corporate and Other Adjusted EBITDA	$	(20.5)	$	(22.6)	$	2.1	9	%

(1)Middlemount’s results are before the impact of related changes in amortization of basis difference.

(2)Includes gains (losses) on certain surplus coal reserve, coal resource and surface land sales and property management costs and revenue.

(3)Includes trading and brokerage activities, costs associated with post-mining activities, gains (losses) on certain asset disposals, minimum charges on certain transportation-related contracts, results from the Company’s other equity method investments, costs associated with suspended operations, holding costs associated with the Centurion Mine, the impact of foreign currency remeasurement and expenses related to the Company’s other commercial activities.

28

Corporate and Other Adjusted EBITDA increased during the three months ended March 31, 2026 compared to the same period in the prior year due to favorable variances in Middlemount’s results driven by higher sales pricing and higher gains on equipment and land sales ($6.5 million). These increases were offset by higher selling and administrative expenses. The decrease in other items was driven by lower net periodic benefit credit, excluding service cost, as described above ($7.0 million), offset by the favorable remeasurement of foreign currency denominated monetary assets, substantially comprised of Australian dollar denominated restricted cash and cash collateral ($6.5 million).

(Loss) Income From Continuing Operations, Net of Income Taxes

The following table presents (loss) income from continuing operations, net of income taxes:

	Three Months Ended March 31,				(Decrease) Increase to Income
	2026		2025		$		%
	(Dollars in millions)
Adjusted EBITDA (1)	$	82.5	$	144.0	$	(61.5)	(43)	%
Depreciation, depletion and amortization	(109.5)		(92.1)		(17.4)		(19)	%
Asset retirement obligation expenses	(13.6)		(13.6)		—		—	%
Restructuring charges	(1.1)		(1.7)		0.6		35	%
Costs related to terminated acquisition	(3.0)		(2.4)		(0.6)		(25)	%
Changes in amortization of basis difference related to equity affiliates	0.6		0.6		—		—	%
Interest expense, net of capitalized interest	(10.7)		(11.5)		0.8		7	%
Interest income	13.1		15.4		(2.3)		(15)	%
Unrealized gains on foreign currency option contracts	0.3		4.3		(4.0)		(93)	%
Take-or-pay contract-based intangible recognition	—		0.2		(0.2)		(100)	%
Income tax benefit (provision)	16.0		(4.9)		20.9		427	%
(Loss) income from continuing operations, net of income taxes	$	(25.4)	$	38.3	$	(63.7)	(166)	%

(1)This is a financial measure not recognized in accordance with U.S. GAAP. Refer to the “Reconciliation of Non-GAAP Financial Measures” section below for definitions and reconciliations to the most comparable measures under U.S. GAAP.

Depreciation, Depletion and Amortization. The following table presents a summary of depreciation, depletion and amortization expense by segment:

	Three Months Ended March 31,				Increase (Decrease) to Income
	2026		2025		$		%
	(Dollars in millions)
Seaborne Thermal	$	(21.8)	$	(33.4)	$	11.6	35	%
Seaborne Metallurgical	(55.2)		(28.8)		(26.4)		(92)	%
Powder River Basin	(15.4)		(12.8)		(2.6)		(20)	%
Other U.S. Thermal	(16.0)		(15.7)		(0.3)		(2)	%
Corporate and Other	(1.1)		(1.4)		0.3		21	%
Total depreciation, depletion and amortization	$	(109.5)	$	(92.1)	$	(17.4)	(19)	%

Additionally, the following table presents a summary of the Company’s weighted-average depletion rate per ton for active mines in each of its reportable segments:

	Three Months Ended March 31,
	2026		2025
Seaborne Thermal	$	1.04	$	2.00
Seaborne Metallurgical	5.42		2.72
Powder River Basin	0.30		0.31
Other U.S. Thermal	1.76		1.82

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Depreciation, depletion and amortization expense increased during the three months ended March 31, 2026 compared to the same period in the prior year primarily due to increased depreciation and amortization resulting from shortened mine lives. The decrease in the weighted-average depletion rate per ton for the Seaborne Thermal segment during the three months ended March 31, 2026 compared to the same period in the prior year reflects the increased quantity of proven and probable coal reserves resulting from the conversion of coal resources to proven and probable reserves. The increase in the weighted-average depletion rate per ton for the Seaborne Metallurgical segment during the three months ended March 31, 2026 compared to the same period in the prior year reflects the impact of volume and mix variances across the segment.

Interest Income. The decrease in income during the three months ended March 31, 2026 compared to the same period in the prior year was driven by lower average cash balances during the current period.

Unrealized Gains on Foreign Currency Option Contracts. Unrealized gains primarily relate to mark-to-market activity on foreign currency option contracts. For additional information, refer to Note 6. “Derivatives and Fair Value Measurements” to the accompanying unaudited condensed consolidated financial statements.

Income Tax Benefit (Provision). The decrease in the income tax benefit (provision) during the three months ended March 31, 2026 compared to the same period in the prior year was primarily due to lower expected pretax income. Refer to Note 8. “Income Taxes” to the accompanying unaudited condensed consolidated financial statements for additional information.

Net (Loss) Income Attributable to Common Stockholders

The following table presents net (loss) income attributable to common stockholders:

	Three Months Ended March 31,				(Decrease) Increase to Income
	2026		2025		$		%
	(Dollars in millions)
(Loss) income from continuing operations, net of income taxes	$	(25.4)	$	38.3	$	(63.7)	(166)	%
Loss from discontinued operations, net of income taxes	(0.2)		(0.3)		0.1		33	%
Net (loss) income	(25.6)		38.0		(63.6)		(167)	%
Less: Net income attributable to noncontrolling interests	6.8		3.6		3.2		89	%
Net (loss) income attributable to common stockholders	$	(32.4)	$	34.4	$	(66.8)	(194)	%

Net Income Attributable to Noncontrolling Interests. The increase in net income attributable to noncontrolling interests during the three months ended March 31, 2026 compared to the same period in the prior year was primarily driven by income associated with Peabody’s majority-owned Wambo operations in which there is an outside non-controlling interest.

Diluted Earnings per Share (EPS)

The following table presents diluted EPS:

	Three Months Ended March 31,				Decrease to EPS
	2026		2025		$		%
Diluted EPS attributable to common stockholders:
(Loss) income from continuing operations	$	(0.26)	$	0.27	$	(0.53)	(196)	%
Loss from discontinued operations	(0.01)		—		(0.01)		n.m.
Net (loss) income attributable to common stockholders	$	(0.27)	$	0.27	$	(0.54)	(200)	%

Diluted EPS is commensurate with the changes in results from continuing operations and discontinued operations during that period. Diluted EPS reflects weighted average diluted common shares outstanding of 122.0 million and 138.7 million for the three months ended March 31, 2026 and 2025, respectively.

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Reconciliation of Non-GAAP Financial Measures

Adjusted EBITDA is defined as (loss) income from continuing operations before deducting net interest expense, income taxes, asset retirement obligation expenses and depreciation, depletion and amortization. Adjusted EBITDA is also adjusted for the discrete items that management excluded in analyzing the reportable segments’ operating performance, as displayed in the reconciliations below.

	Three Months Ended March 31,
	2026		2025
	(Dollars in millions)
(Loss) income from continuing operations, net of income taxes	$	(25.4)	$	38.3
Depreciation, depletion and amortization	109.5		92.1
Asset retirement obligation expenses	13.6		13.6
Restructuring charges	1.1		1.7
Costs related to terminated acquisition	3.0		2.4
Changes in amortization of basis difference related to equity affiliates	(0.6)		(0.6)
Interest expense, net of capitalized interest	10.7		11.5
Interest income	(13.1)		(15.4)
Unrealized gains on foreign currency option contracts	(0.3)		(4.3)
Take-or-pay contract-based intangible recognition	—		(0.2)
Income tax (benefit) provision	(16.0)		4.9
Total Adjusted EBITDA	$	82.5	$	144.0

Total Segment Costs is defined as operating costs and expenses adjusted for the discrete items that management excluded in analyzing each of its reportable segments’ operating performance, as displayed in the reconciliations below.

	Three Months Ended March 31,
	2026		2025
	(Dollars in millions)
Operating costs and expenses	$	864.7	$	770.2
Unrealized gains on foreign currency option contracts	0.3		4.3
Take-or-pay contract-based intangible recognition	—		0.2
Net periodic benefit credit, excluding service cost	(0.4)		(7.4)
Total Segment Costs	$	864.6	$	767.3

Revenue per Ton and Adjusted EBITDA Margin per Ton are equal to revenue by segment and Adjusted EBITDA by segment, respectively, divided by segment tons sold. Costs per Ton is equal to Revenue per Ton less Adjusted EBITDA Margin per Ton.

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The following tables present tons sold, revenue, Total Segment Costs and Adjusted EBITDA by reportable segment:

	Three Months Ended March 31, 2026
	Seaborne Thermal		Seaborne Metallurgical		Powder River Basin		Other U.S. Thermal
	(Amounts in millions, except per ton data)
Tons sold	3.0		2.0		21.2		3.3
Revenue	$	197.5	$	283.0	$	289.5	$	184.5
Total Segment Costs	149.0		290.0		265.8		146.7
Adjusted EBITDA	$	48.5	$	(7.0)	$	23.7	$	37.8
Revenue per Ton	$	66.61	$	138.28	$	13.65	$	55.79
Costs per Ton	50.26		141.72		12.53		44.37
Adjusted EBITDA Margin per Ton	$	16.35	$	(3.44)	$	1.12	$	11.42

	Three Months Ended March 31, 2025
	Seaborne Thermal		Seaborne Metallurgical		Powder River Basin		Other U.S. Thermal
	(Amounts in millions, except per ton data)
Tons sold	4.4		1.8		19.6		3.1
Revenue	$	265.1	$	220.1	$	275.6	$	168.7
Total Segment Costs	180.9		206.9		239.3		135.8
Adjusted EBITDA	$	84.2	$	13.2	$	36.3	$	32.9
Revenue per Ton	$	60.64	$	125.15	$	14.02	$	54.32
Costs per Ton	41.37		117.66		12.18		43.71
Adjusted EBITDA Margin per Ton	$	19.27	$	7.49	$	1.84	$	10.61

Regulatory Update

Other than as described in the following section, there were no significant changes to the Company’s regulatory or global climate matters subsequent to December 31, 2025. This section should be considered in connection with the Company’s regulatory and global climate matters as outlined in Part I, Item 1. “Business” in its Annual Report on Form 10-K for the year ended December 31, 2025.

Regulatory Matters - U.S.

Mercury and Air Toxic Standards (MATS). In 2012, the U.S. Environmental Protection Agency (EPA) published the final MATS rule, which revised the New Source Performance Standards for nitrogen oxide, sulfur dioxide and fine particulate matter (PM) for new and modified coal-fueled electricity generating plants, and imposed maximum achievable control technology (MACT) emission limits on hazardous air pollutants (HAPs) from new and existing coal-fueled and oil-fueled electric generating plants. MACT standards limit emissions of mercury, acid gas HAPs, non-mercury HAP metals and organic HAPs.

On March 6, 2023, the EPA issued a final rule which reaffirmed its determination to regulate coal- and oil-fired electric generating units (EGUs) under Clean Air Act section 112, including the regulation of HAPs from EGUs after considering cost. On April 24, 2023, the EPA proposed to amend the 2012 MATS rule and require an additional two-thirds reduction in the filterable PM emission of non-mercury HAP metals from existing coal-fired power plants and to reduce the mercury standard for lignite plants by 70%. On May 7, 2024, the EPA finalized a MATS rule which significantly tightened the filterable PM emissions limit for existing coal-fired EGU’s, lowering the standard from 0.030 lb/MMBtu to 0.010 lb/MMBtu for all coal-fired power plants. This rule was challenged in the U.S. Court of Appeals for the District of Columbia Circuit (D.C. Circuit) in North Dakota v. EPA (D.C. Cir., No. 24-1119). The EPA proposed on June 17, 2025 to repeal parts of the final 2024 MATS rule regarding filterable PM standards and revise the mercury standard for existing lignite-fired EGUs. This rule was finalized on February 24, 2026 (91 Fed. Reg. 9088) and became effective on April 27, 2026.

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Clean Water Act (CWA) Water Quality Certification Rule. The EPA issued a final rule in 2020 that would have limited state and tribal regulators’ certification authority under CWA Section 401 by allowing the EPA to certify projects over state or tribal regulator objections in some circumstances. On September 27, 2023, the EPA finalized a superseding rule that would expand state and tribal regulators’ authority to review activities that require federal permits or licenses and to impose conditions they believe are necessary to ensure compliance with water quality requirements. That rule took effect on November 27, 2023. Challenges to the 2023 rule remain pending in the U.S. District Court for the Western District of Louisiana. On January 15, 2026, the EPA published proposed revisions to the 2023 rule in the Federal Register, and the EPA announced that it planned to propose and finalize changes later in 2026.

Effluent Limitations Guidelines for the Steam Electric Power Generating Industry. In 2015, the EPA published a final rule setting requirements for wastewater discharge from EGUs. In 2020, the EPA finalized revisions to certain requirements in the 2015 rule. On May 9, 2024, the EPA published a final rule that would have established more stringent standards for flue gas desulfurization wastewater, bottom ash transport water, combustion residual leachate and legacy wastewater discharged from certain surface impoundments. The final revised effluent limitations guidelines would have significantly increased costs for many coal-fueled steam electric power plants. In addition, the finalized final rule allowed EGUs that commit to ceasing coal combustion by December 31, 2034, to comply with less stringent wastewater discharge requirements during the interim. The final rule remains subject to numerous legal challenges that have been consolidated in the U.S. Court of Appeals for the Eighth Circuit (Eighth Circuit). If the Eighth Circuit affirms the final rule, it could influence fuel switching or additional coal generating unit retirements by the end of 2034. On December 31, 2025, the EPA published a final Deadline Extensions Rule that extends seven compliance deadlines in the 2024 rule. The EPA is allowing EGUs six additional years (until December 31, 2031) to determine whether to submit a notice of planned participation for the permanent cessation of coal combustion. The EPA further extended the deadlines by five years (to December 31, 2034) for direct discharging EGUs to comply with zero-discharge limitations for flue gas desulfurization wastewater, bottom ash transport water and combustion residual leachate. Finally, the EPA is allowing EGUs that discharge to wastewater treatment plants an additional year-and-a-half to seven-and-a-half years to comply with zero-discharge limitations for those same wastestreams. The EPA also issued a No Action Assurance memorandum announcing it will not pursue enforcement actions for certain permit violations by EGUs not yet in compliance with permit requirements related to the 2020 and 2024 rules, if those EGUs satisfy certain conditions. In parallel, the EPA announced that it plans to propose a Reconsideration Rule in 2026 to revise some of the limitations and standards in the 2024 rule.

Rules for Disposal of Coal Combustion Residuals (CCR) from Electric Utilities; Federal CCR Permit Program and Revisions to Closure Requirements. On February 20, 2020, as required by the Water Infrastructure Improvements for the Nation Act, the EPA proposed a federal permitting program for the disposal of CCR in surface impoundments and landfills. Under the proposal, the EPA would directly implement the permit program in Indian Country and at CCR units located in states that have not submitted their own CCR permit program for approval. The proposal includes requirements for federal CCR permit applications, content and modification, as well as procedural requirements. The comment period for the EPA’s proposal ended on April 20, 2020. The EPA has not yet issued a final rule, but it has indicated that it plans to reopen the comment period for that proposal in a future action. Separately, on August 28, 2020 and November 12, 2020, the EPA finalized two sets of amendments to its 2015 CCR rule to partially address the D.C. Circuit’s 2018 decision holding that certain provisions of that rule were not sufficiently protective. On November 28, 2025, the EPA proposed to extend, by three years, the compliance deadline in the 2020 amendments for owners and operators to complete closure of unlined impoundments larger than 40 acres. On May 8, 2024, the EPA published a final rule containing additional amendments to the 2015 CCR rule that further address aspects of the D.C. Circuit’s 2018 decision. On February 10, 2026, the EPA published a final rule that provides additional time to meet certain requirements in the May 2024 Rule. Finally, on April 9, 2026, the EPA published a proposed rule to amend several provisions governing the disposal of CCR in landfills and surface impoundments and the benefit use for CCR.

Regulatory Matters - Australia

New South Wales (NSW) Strategic Statement on Coal Exploration and Mining. The NSW Government released a new NSW Coal Industry 2026-50 policy (the Policy) in March 2026 (replacing the Strategic Statement on Coal Exploration and Mining) that provided a high level framework for the government's policy approach to the future of the coal sector. The Policy’s key features include: no new standalone greenfield coal mines; no further government investment in coal exploration, although exploration will continue to be permitted near existing mine sites; extensions to existing operations will continue to be considered; and strengthened emissions regulation requirements for coal mine emissions.

Risks and Regulations Related to Global Climate Change

There have been no significant changes to the Company’s global climate matters subsequent to December 31, 2025. Refer to Part I, Item 1. “Business” in the Company’s Annual Report on Form 10-K for the year ended December 31, 2025 for information regarding the Company’s global climate matters.

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Liquidity and Capital Resources

Overview

The Company’s primary source of cash is proceeds from the sale of its coal production to customers. The Company has also generated cash from the sale of non-strategic assets, including coal reserves, coal resources and surface lands, and, from time to time, borrowings under its credit facilities and the issuance of securities. The Company’s primary uses of cash include the cash costs of coal production, capital expenditures, coal reserve lease and royalty payments, debt service costs, finance and operating lease payments, early debt retirements, postretirement plans, take-or-pay obligations, post-mining reclamation obligations, collateral requirements, dividends, share repurchases and selling and administrative expenses.

Any future determinations to return capital to stockholders, such as dividends or share repurchases, will depend on a variety of factors, including the Company’s net income or other sources of cash, liquidity position and potential alternative uses of cash, such as internal development projects or acquisitions, as well as economic conditions and expected future financial results. The Company’s ability to early retire debt, declare dividends or repurchase shares in the future will depend on its future financial performance, which in turn depends on the successful implementation of its strategy and on financial, competitive, regulatory, technical and other factors, general economic conditions, demand for and selling prices of coal and other factors specific to its industry, many of which are beyond the Company’s control.

Liquidity

As of March 31, 2026, the Company’s cash and cash equivalents balances totaled $492.5 million, including approximately $353 million held by U.S. subsidiaries, approximately $129 million held by Australian subsidiaries and the remainder held by other foreign subsidiaries in accounts predominantly domiciled in the U.S. A significant majority of the cash held by the Company’s foreign subsidiaries is denominated in U.S. dollars. This cash is generally used to support non-U.S. liquidity needs, including capital and operating expenditures in Australia and payment of the foreign subsidiaries’ share of certain U.S. corporate expenditures. From time to time, the Company may repatriate profits from its foreign subsidiaries to the U.S. in the form of intercompany dividends. During the three months ended March 31, 2026, no profits from foreign subsidiaries were repatriated. If foreign-held cash is repatriated in the future, the Company does not expect restrictions or potential taxes will have a material effect to its near-term liquidity.

The Company’s available liquidity decreased from $942.1 million as of December 31, 2025 to $868.2 million as of March 31, 2026. Available liquidity was comprised of the following:

	March 31, 2026		December 31, 2025
	(Dollars in millions)
Cash and cash equivalents	$	492.5	$	575.3
Revolving credit facility availability	270.8		270.8
Accounts receivable securitization program availability	104.9		96.0
Total liquidity	$	868.2	$	942.1

Capital Returns to Shareholders

The Company paid dividends of $9.2 million during the three months ended March 31, 2026.

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Surety Agreement Amendment and Collateral Requirements

In April 2023, the Company amended its existing agreement with the providers of its surety bond portfolio, dated November 6, 2020. Under the April 2023 amendment, the Company and its surety providers agreed to a maximum aggregate collateral amount based upon bonding levels which will vary prospectively as bonding levels increase or decrease. The amendment also extended the agreement through December 31, 2026. In order to maintain the maximum collateral agreement, the Company must remain compliant with a minimum liquidity test and a maximum net leverage ratio, as measured each quarter. The minimum liquidity test requires the Company to maintain liquidity at the greater of $400 million or the difference between the penal sum of all surety bonds included within the surety bond portfolio and the amount of collateral posted in favor of surety providers, which was $479.0 million at March 31, 2026. The Company must also maintain a maximum net leverage ratio of 1.5 to 1.0, where the numerator consists of its funded debt, net of cash, and the denominator consists of its Adjusted EBITDA for the trailing twelve months. For purposes of calculating the ratio, only 50% of the outstanding principal amount of the Company’s 3.250% Convertible Senior Notes due March 2028 (the 2028 Convertible Notes) is deemed to be funded debt. The Company’s ability to pay dividends and make share repurchases is also subject to the quarterly minimum liquidity test. The Company is in compliance with such requirements at March 31, 2026.

At March 31, 2026, the Company’s maximum aggregate collateral amount was $504.1 million, which was comprised of $377.7 million in trust accounts and letters of credit of $126.4 million held for the benefit of certain surety providers.

Credit Support Facilities

In February 2022, the Company entered into an agreement which provides up to $250.0 million of capacity for irrevocable standby letters of credit, primarily to support reclamation bonding requirements. Outstanding letters of credit bear a fixed fee in the amount of 0.75% per annum. The Company receives a variable deposit rate on the amount of cash collateral posted in support of letters of credit. The agreement was amended on November 3, 2025, to (i) extend the expiration date to December 31, 2030 and (ii) reduce the required minimum cash collateral amount to 102% of the aggregate amount of letters of credit outstanding under the agreement, provided that in the event the Company’s credit rating falls below certain thresholds, the minimum collateral amount shall increase to 103%. At March 31, 2026, letters of credit of $78.1 million were outstanding under the agreement.

In December 2023, the Company established cash-backed bank guarantee facilities, primarily to support Australian reclamation bonding requirements. At March 31, 2026, guarantees of $218.5 million were issued for which the Company receives a variable deposit rate on the amount of cash collateral posted in support of the facilities, which mature at various dates between 2026 and 2030.

Revolving Credit Facility

The Company established a revolving credit facility with a maximum aggregate principal amount of $320.0 million in revolving commitments by entering into a credit agreement, dated as of January 18, 2024 (the 2024 Credit Agreement), by and among the Company, as borrower, certain subsidiaries of the Company party thereto, PNC Bank, National Association, as administrative agent, and the lenders party thereto.

The revolving commitments and any related loans, if applicable (any such loans, the Revolving Loans), established by the 2024 Credit Agreement terminate or mature, as applicable, on January 18, 2028, subject to certain conditions relating to the Company’s outstanding 2028 Convertible Notes. The Revolving Loans bear interest at a secured overnight financing rate plus an applicable margin ranging from 3.50% to 4.25%, depending on the Company’s total net leverage ratio (as defined under the 2024 Credit Agreement) or a base rate plus an applicable margin ranging from 2.50% to 3.25%, at the Company’s option. Letters of credit issued under the 2024 Credit Agreement incur a combined fee equal to an applicable margin ranging from 3.50% to 4.25% plus a fronting fee equal to 0.125% per annum. Unused capacity under the 2024 Credit Agreement bears a commitment fee of 0.50% per annum.

As of March 31, 2026, the 2024 Credit Agreement had only been utilized for letters of credit, including $49.2 million outstanding as of March 31, 2026. These letters of credit support the Company’s reclamation bonding requirements, lease obligations, insurance policies and various other performance guarantees as further described in Note 12. “Financial Instruments and Other Guarantees.” Availability under the 2024 Credit Agreement was $270.8 million at March 31, 2026.

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The 2024 Credit Agreement contains customary covenants that, among other things and subject to certain exceptions (including compliance with financial ratios), may limit the Company and its subsidiaries’ ability to incur additional indebtedness, make certain restricted payments or investments, sell or otherwise dispose of assets, enter into transactions with affiliates, create or incur liens, and merge, consolidate or sell all or substantially all of their assets. The 2024 Credit Agreement is secured by substantially all assets of the Company and its U.S. subsidiaries, as well as a pledge of two Australian subsidiaries.

Indebtedness

The Company’s total indebtedness as of March 31, 2026 and December 31, 2025 is presented in the table below.

Debt Instrument (defined below, as applicable)	March 31, 2026		December 31, 2025
	(Dollars in millions)
3.250% Convertible Senior Notes due March 2028 (2028 Convertible Notes)	$	320.0	$	320.0
Finance lease obligations	19.1		20.8
Less: Debt issuance costs	(3.9)		(4.4)
	335.2		336.4
Less: Current portion of long-term debt	14.3		15.2
Long-term debt	$	320.9	$	321.2

The Company’s indebtedness requires estimated contractual principal and interest payments, assuming interest rates in effect at March 31, 2026, of approximately $18 million in 2026, $16 million in 2027, $327 million in 2028, and less than $1 million in 2029 and thereafter.

The Company paid cash of $9.9 million during both the three months ended March 31, 2026 and 2025, for interest, net of capitalized interest, related to the Company’s indebtedness and financial assurance instruments.

2028 Convertible Notes

On March 1, 2022, through a private offering, the Company issued the 2028 Convertible Notes in the aggregate principal amount of $320.0 million. The 2028 Convertible Notes are senior unsecured obligations of the Company and are governed under an indenture.

The 2028 Convertible Notes will mature on March 1, 2028, unless earlier converted, redeemed or repurchased in accordance with their terms. The 2028 Convertible Notes bear interest at a rate of 3.250% per year, payable semi-annually in arrears on March 1 and September 1 of each year.

During both the fourth quarter of 2025 and the first quarter of 2026, the Company’s reported common stock prices prompted the conversion feature of the 2028 Convertible Notes. As a result, the 2028 Convertible Notes were convertible at the option of the holders during the first quarter of 2026, for which no conversion requests were received, and remain convertible during the second quarter of 2026. It is the Company’s current intent to settle any conversions of the 2028 Convertible Notes through shares of its common stock. As such, the 2028 Convertible Notes are not classified as a current obligation in the accompanying condensed consolidated balance sheets. Through May 4, 2026, the Company has not received any conversion requests and does not anticipate receiving any conversion requests in the near term as the market value of the 2028 Convertible Notes exceeds their conversion value.

Accounts Receivable Securitization Program

As described in Note 12. “Financial Instruments and Other Guarantees” of the accompanying unaudited condensed consolidated financial statements, the Company entered into an accounts receivable securitization program during 2017. The securitization program provides up to $225.0 million of funding capacity which is accounted for as a secured borrowing, limited to the availability of eligible receivables, and may be secured by a combination of collateral and the trade receivables underlying the program. Funding capacity under the program may also be utilized for letters of credit in support of other obligations, which has been the Company’s primary utilization. At March 31, 2026, the Company had no outstanding borrowings and $66.0 million of letters of credit outstanding under the program. The Company was not required to post cash collateral under the securitization program at March 31, 2026.

The accounts receivable securitization program was amended in January 2025 to extend its maturity to January 2028.

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Covenant Compliance

The Company was compliant with all relevant covenants under its debt and other finance agreements at March 31, 2026.

Cash Flows

The following table summarizes the Company’s cash flows for the three months ended March 31, 2026 and 2025, as reported in the accompanying unaudited condensed consolidated financial statements.

	Three Months Ended March 31,
	2026		2025
	(Dollars in millions)
Net cash provided by operating activities	$	30.0	$	119.9
Net cash used in investing activities	(123.5)		(89.6)
Net cash used in financing activities	(22.6)		(29.1)
Net change in cash, cash equivalents and restricted cash	(116.1)		1.2
Cash, cash equivalents and restricted cash at beginning of period	1,284.5		1,382.6
Cash, cash equivalents and restricted cash at end of period	$	1,168.4	$	1,383.8

Operating Activities. The decrease in net cash provided by operating activities for the three months ended March 31, 2026 compared to the prior year was driven by lower cash generated from mining operations and a year-over-year decrease in operating cash flow from working capital ($33.8 million).

Investing Activities. The increase in net cash used in investing activities for the three months ended March 31, 2026 compared to the prior year was driven by higher net contributions to joint ventures ($17.9 million) and higher capital expenditures ($15.0 million).

Financing Activities. The decrease in net cash used in financing activities for the three months ended March 31, 2026 compared to the same period in the prior year was primarily driven by decreases in distributions to noncontrolling interests ($7.0 million).

Off-Balance-Sheet Arrangements

In the normal course of business, the Company is a party to various guarantees and financial instruments that carry off-balance-sheet risk and are not reflected in the accompanying condensed consolidated balance sheets. Such financial instruments provide support for the Company’s reclamation bonding requirements, lease obligations, insurance policies and various other performance guarantees. The Company periodically evaluates the instruments for on-balance-sheet treatment based on the amount of exposure under the instrument and the likelihood of required performance. The Company does not expect any material losses to result from these guarantees or off-balance-sheet instruments in excess of liabilities provided for in the accompanying condensed consolidated balance sheets.

The following table summarizes the Company’s financial instruments that carry off-balance-sheet risk.

	March 31, 2026
	Reclamation Support		Other Support (1)		Total
	(Dollars in millions)
Surety bonds	$	937.5	$	82.1	$	1,019.6
Letters of credit (2)	53.5		61.7		115.2
	991.0		143.8		1,134.8
Less: Letters of credit in support of surety bonds (3)	(53.5)		(1.7)		(55.2)
Obligations supported, net	$	937.5	$	142.1	$	1,079.6

(1)    Instruments support obligations related to leases, health care plans, workers’ compensation, property and casualty insurance, customer and vendor contracts and certain restoration ancillary to prior mining activities.

(2)    Amounts do not include cash-collateralized letters of credit.

(3)    Certain letters of credit serve as collateral for surety bonds at the request of surety bond providers.

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Not presented in the above table is $811.3 million of restricted cash and collateral which are included in the accompanying condensed consolidated balance sheets at March 31, 2026, as described in Note 12. “Financial Instruments and Other Guarantees” of the accompanying unaudited condensed consolidated financial statements. Such collateral is primarily in support of the financial instruments noted above, including in relation to the Company’s surety bond portfolio, its collateralized letter of credit agreement, its bank guarantee facilities and amounts held directly with beneficiaries which are not supported by surety bonds. The restricted cash and collateral balance decreased $32.8 million during the three months ended March 31, 2026 due to a change in the mix of financial instruments used to support the Company’s obligations, partially offset by the impact of foreign currency rate changes.

At March 31, 2026, the Company had total asset retirement obligations of $756.3 million. Bonding requirement amounts may differ significantly from the related asset retirement obligation because such requirements are calculated under the assumption that reclamation begins currently, whereas the Company’s accounting liabilities are discounted from the end of a mine’s economic life (when final reclamation work would begin) to the balance sheet date.

At March 31, 2026, the Company’s reclamation bonding requirements were supported by approximately $705 million of restricted cash and other balances serving as collateral.

Critical Accounting Policies and Estimates

The Company’s discussion and analysis of its financial condition, results of operations, liquidity and capital resources is based upon its unaudited condensed consolidated financial statements, which have been prepared in accordance with U.S. GAAP. The Company is also required under U.S. GAAP to make estimates and judgments that affect the reported amounts of assets, liabilities, revenue and expenses and related disclosure of contingent assets and liabilities. On an ongoing basis, the Company evaluates its estimates. The Company bases its estimates on historical experience and on various other assumptions that it believes are reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates.

At March 31, 2026, the Company identified certain assets with an aggregate carrying value of approximately $60 million in its Other U.S. Thermal segment whose recoverability is most sensitive to customer concentration risk.

The Company’s critical accounting policies and estimates are discussed in Part II, Item 7. “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in its Annual Report on Form 10-K for the year ended December 31, 2025. The Company’s critical accounting policies remain unchanged at March 31, 2026, and there have been no material changes in the Company’s critical accounting estimates.

Newly Adopted Accounting Standards and Accounting Standards Not Yet Implemented

See Note 2. “Newly Adopted Accounting Standards and Accounting Standards Not Yet Implemented” to the Company’s unaudited condensed consolidated financial statements for a discussion of newly adopted accounting standards and accounting standards not yet implemented.

Item 3. Quantitative and Qualitative Disclosures About Market Risk.

Coal Pricing Risk

The Company predominantly manages its commodity price risk for its non-trading, long-term coal contract portfolio through the use of long-term coal supply agreements (those with terms longer than one year) to the extent possible, rather than through the use of derivative instruments. As of March 31, 2026, the Company had approximately 94 million tons of U.S. thermal coal priced and committed for 2026. This includes approximately 81 million tons of PRB coal and 13 million tons of Other U.S. Thermal coal. The Company has the flexibility to increase volumes should demand warrant. Peabody is estimating full year 2026 thermal coal sales volumes from its Seaborne Thermal segment of 12.0 million to 13.0 million tons comprised of thermal export volume of 7.5 million to 8.5 million tons and domestic volume of 4.5 million tons. Peabody is estimating full year 2026 metallurgical coal sales from its Seaborne Metallurgical segment of 9.3 million to 10.3 million tons. Sales commitments in the metallurgical coal market are typically not long-term in nature, and the Company is therefore subject to fluctuations in market pricing. The Company’s sensitivity to market pricing in thermal coal markets is dependent on the duration of contracts.

As of March 31, 2026, the Company had no coal derivative contracts related to its forecasted sales. Historically, such financial contracts have included futures and forwards.

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Foreign Currency Risk

The Company utilizes options and collars to hedge currency risk associated with anticipated Australian dollar operating expenditures. The accounting for these derivatives is discussed in Note 6. “Derivatives and Fair Value Measurements” to the accompanying unaudited condensed consolidated financial statements. As of March 31, 2026, the Company held average rate options with an aggregate notional amount of $528.0 million Australian dollars to hedge currency risk associated with anticipated Australian dollar operating expenditures over the nine-month period ending December 31, 2026. As of March 31, 2026, the Company also held purchased collars with an aggregate notional amount of $539.0 million Australian dollars related to anticipated Australian dollar operating expenditures during the nine-month period ending December 31, 2026. Assuming the Company had no foreign currency hedging instruments in place, its exposure in operating costs and expenses due to a $0.10 change in the Australian dollar/U.S. dollar exchange rate is approximately $215 million to $225 million for the next twelve months. Based upon the Australian dollar/U.S. dollar exchange rate at March 31, 2026, the currency option contracts outstanding at that date would limit the Company’s exposure to approximately $154 million with respect to a $0.10 increase in the exchange rate, while the Company would benefit by approximately $201 million with respect to a $0.10 decrease in the exchange rate for the next twelve months.

Although Peabody believes its Australian dollar monetary asset position acts as a hedge to lessen the impact on its results from operations, the Company may continue to use options and collars to hedge its cash flow exposure to currency risk associated with anticipated Australian dollar operating expenditures.

Diesel Fuel Price Risk

The Company expects to consume 95 to 105 million gallons of diesel fuel during the next twelve months. A $10 per barrel change in the price of crude oil (the primary component of a refined diesel fuel product) would increase or decrease its annual diesel fuel costs by approximately $24 million based on its expected usage.

As of March 31, 2026, the Company did not have any diesel fuel derivative instruments in place. The Company partially manages the price risk of diesel fuel through the use of cost pass-through contracts with certain customers.

Interest Rate Risk

Peabody’s objectives in managing exposure to interest rate changes are to limit the impact of interest rate changes on earnings and cash flows and to lower overall borrowing costs. Peabody is primarily exposed to interest rate risk as a result of its interest-earning cash balances.

Peabody’s interest-earning cash and restricted cash balances are primarily held in deposit accounts and investments with maturities of three months or less. Therefore, these balances are subject to interest rate fluctuations and could produce less income if interest rates fall. Based upon its interest-earning cash and restricted cash balances at March 31, 2026, a one percentage point decrease in interest rates would result in a decrease of approximately $12 million to interest income for the next twelve months.

Item 4. Controls and Procedures.

Peabody’s disclosure controls and procedures are designed to, among other things, provide reasonable assurance that material information, both financial and non-financial, and other information required under the securities laws to be disclosed is accumulated and communicated to senior management, including the principal executive officer and principal accounting officer, on a timely basis. As of March 31, 2026, the end of the period covered by this Quarterly Report on Form 10-Q, the Company carried out an evaluation of the effectiveness of the design and operation of its disclosure controls and procedures. Based upon that evaluation, Peabody’s Chief Executive Officer and Chief Financial Officer have concluded that, as of the end of the period covered by this report, such disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934) were effective to achieve the desired control objectives.

During the first quarter of 2026, the Company completed the first phase of modernizing its enterprise resource planning (ERP) system with further phases planned in 2026. The upgraded ERP system has resulted in, and may continue to result in, changes to existing operational, financial and administrative business processes. The Company believes this will enhance its internal control over financial reporting due to improved operational functionality. In connection with the ERP system modernization, additional internal controls have been implemented and modifications have been made to existing internal control frameworks and procedures, as appropriate.

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Except as described above, there have been no other changes to the Company’s internal control over financial reporting during the most recent fiscal quarter that materially affected, or are reasonably likely to materially affect, its internal control over financial reporting.

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PART II - OTHER INFORMATION

Item 1. Legal Proceedings.

The Company is subject to various legal and regulatory proceedings. For a description of its significant legal proceedings refer to Note 13. “Commitments and Contingencies” to the unaudited condensed consolidated financial statements included in Part I, Item 1. “Financial Statements” of this Quarterly Report, which information is incorporated by reference herein.

Item 1A. Risk Factors.

The Company operates in a rapidly changing environment that involves a number of risks. For information regarding factors that could affect the Company’s results of operations, financial condition and liquidity, see the risk factors disclosed in Item 1A. “Risk Factors” of Part I of its Annual Report on Form 10-K for the year ended December 31, 2025 filed with the SEC on February 19, 2026. In addition to the other information set forth in this Quarterly Report, including the information presented in Part I, Item 2. “Management's Discussion and Analysis of Financial Condition and Results of Operations,” you should carefully consider the risk factors disclosed in the aforementioned filing, which could materially affect the Company's results of operations, financial condition and liquidity.

Factors that could affect the Company’s results or an investment in the Company’s securities include, but are not limited to:

•the Company’s profitability depends upon the prices it receives for its coal;

•if a substantial number of the Company’s long-term coal supply agreements, including those with its largest customers, terminate, or if the pricing, volumes or other elements of those agreements materially adjust, its revenue and operating profits could suffer if the Company is unable to find alternate buyers willing to purchase its coal on comparable terms to those in its contracts;

•risks inherent to mining could increase the cost of operating the Company’s business, and events and conditions that could occur during the course of its mining operations could have a material adverse impact on the Company;

•the Company’s take-or-pay arrangements could unfavorably affect its profitability;

•the Company may not recover its investments in its mining, exploration and other assets, which may require the Company to recognize impairment charges related to those assets;

•the Company’s ability to operate effectively could be impaired if it loses key personnel or fails to attract qualified personnel;

•the Company could be negatively affected if it fails to maintain satisfactory labor relations;

•the Company could be adversely affected if it fails to appropriately provide financial assurances for its obligations;

•if the assumptions underlying the Company’s asset retirement obligations for reclamation and mine closures are materially inaccurate, its costs could be significantly greater than anticipated;

•the Company’s mining operations are extensively regulated, which imposes significant costs, and future regulations and developments or differing interpretations of existing regulations could increase those costs or limit its ability to produce coal;

•if litigation challenging “climate superfund” laws is unsuccessful, the Company may be required to make significant payments for alleged climate change damages;

•the Company’s operations may impact the environment or cause exposure to hazardous substances, and its properties may have environmental contamination, which could result in material liabilities to the Company;

•the Company may be unable to obtain, renew or maintain permits necessary for its operations, or may only be able to do so subject to conditions that limit the manner in which it runs its operations, which would reduce its production, cash flows and profitability;

•concerns about the impacts of coal combustion on global climate are increasingly leading to conditions that have affected and could continue to affect demand for the Company’s products or its securities and its ability to produce, including increased governmental regulation of coal combustion and unfavorable investment decisions by electricity generators;

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•numerous activist groups are devoting substantial resources to anti-coal activities to minimize or eliminate the use of coal as a source of electricity generation, domestically and internationally, thereby further reducing the demand and pricing for coal, and potentially materially and adversely impacting the Company’s future financial results, liquidity and growth prospects;

•the Company’s hedging activities do not cover certain risks and may expose it to earnings volatility and other risks;

•the Company’s future success depends upon its ability to continue acquiring and developing coal reserves and resources that are economically recoverable;

•the Company faces numerous uncertainties in estimating its coal reserves and resources and inaccuracies in its estimates could result in lower than expected revenue, higher than expected costs and decreased profitability;

•joint ventures, partnerships or non-managed operations may not be successful and may not comply with the Company’s operating standards;

•the Company’s expenditures for postretirement benefit obligations could be materially higher than it has predicted if its underlying assumptions prove to be incorrect;

•changes to trade policy, including tariff and customs regulations, or failure to comply with such regulations may have an adverse effect on the Company’s business, financial condition and results of operations;

•Peabody is exposed to risks associated with political or international conflicts;

•Peabody could be exposed to significant liability, reputational harm, loss of revenue, increased costs or other risks if it experiences cybersecurity attacks or other security breaches that disrupt its operations or result in the dissemination of proprietary or confidential information about the Company, its customers or other third-parties;

•Peabody’s information and operational technology systems may be adversely affected by disruptions, damage, failure and risks associated with implementation and integration, including of new technologies;

•the Company is incorporating artificial intelligence technologies into its processes and these technologies may present business, compliance and reputational risks;

•the Company is subject to various general operating risks which may be fully or partially outside of its control;

•the Company may be able to incur more debt, including secured debt, which could increase the risks associated with its indebtedness;

•the terms of the agreements and instruments governing the Company’s debt and surety bonding obligations impose restrictions that may limit its operating and financial flexibility;

•the number and viability of financing and insurance alternatives available to the Company may be significantly impacted by unfavorable lending and investment policies adopted by financial institutions and insurance companies in response to concerns about the environmental impacts of coal combustion, and negative views around the Company’s environmental and social practices and related governance considerations could harm its perception among investors or result in the exclusion of its securities from consideration by those investors;

•the price of Peabody’s securities may be volatile;

•Peabody’s common stock is subject to dilution and may be subject to further dilution in the future;

•there may be circumstances in which the interests of a significant stockholder could be in conflict with other stakeholders’ interests;

•the future payment of dividends on Peabody’s stock or future repurchases of its stock is dependent on a number of factors and cannot be assured;

•acquisitions and divestitures are a potentially important part of the Company’s long-term strategy, subject to its investment criteria, and involve a number of risks, any of which could cause the Company not to realize the anticipated benefits;

•the outcome of arbitration proceedings related to the termination of agreements to acquire properties from Anglo American plc could adversely affect the Company’s business, results of operations, and its financial condition;

•the Company may not be able to fully utilize its deferred tax assets;

•Peabody’s certificate of incorporation and by-laws include provisions that may discourage a takeover attempt;

•diversity in interpretation and application of accounting literature in the mining industry may impact the Company’s reported financial results; and

•other risks and factors detailed in this report, including, but not limited to, those discussed in “Legal Proceedings,” set forth in Part II, Item 1 of this Quarterly Report on Form 10-Q.

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

Share Repurchase Program

On April 17, 2023, the Company announced that its Board of Directors authorized a share repurchase program (2023 Repurchase Program) authorizing repurchases of up to $1.0 billion of its common stock.

Under the 2023 Repurchase Program, the Company may purchase shares of common stock from time to time at the discretion of management through open market purchases, privately negotiated transactions, block trades, accelerated or other structured share repurchase programs, or other means. The manner, timing and pricing of any share repurchase transactions will be based on a variety of factors, including market conditions, applicable legal requirements, the Company’s capital structure and alternative opportunities that the Company may have for the use or investment of capital. Through March 31, 2026, the Company had repurchased 23.8 million shares of its common stock under the 2023 Repurchase Program for $530.8 million (which included commissions paid of $0.4 million), leaving $469.6 million available for share repurchase.

Dividends

During the three months ended March 31, 2026, the Company declared dividends per share of $0.075. On May 5, 2026, the Company declared an additional dividend per share of $0.075 to be paid on June 8, 2026 to shareholders of record as of May 19, 2026.

Share Relinquishments

The Company routinely allows employees to relinquish Common Stock to pay estimated taxes upon the vesting of restricted stock units and the payout of performance units that are settled in Common Stock under its equity incentive plans. The value of Common Stock tendered by employees is determined based on the closing price of the Company’s Common Stock on the dates of the respective relinquishments.

Purchases of Equity Securities

The following table summarizes all share purchases for the three months ended March 31, 2026:

Period	Total Number of Shares Purchased (1)	Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Program	Maximum Dollar Value that May Yet Be Used to Repurchase Shares Under the Publicly Announced Program (In millions)
January 1 through January 31, 2026	65,375	$	30.68	—	$	469.6
February 1 through February 28, 2026	39,413	33.59		—	469.6
March 1 through March 31, 2026	—	—		—	469.6
Total	104,788	31.77		—

(1)Includes shares withheld to cover the withholding taxes upon the vesting of equity awards, which are not part of the publicly announced repurchase programs.

Item 4. Mine Safety Disclosures.

Peabody’s “Safety and Sustainability Management System” has been designed to set clear and consistent expectations for safety, health and environmental stewardship across the Company’s business. It aligns to the National Mining Association’s CORESafety® framework and encompasses three fundamental areas: leadership and organization, risk management and assurance. Peabody also partners with other companies and certain governmental agencies to pursue new technologies that have the potential to improve its safety performance and provide better safety protection for employees.

Peabody continually monitors its safety performance and regulatory compliance. The information concerning mine safety violations or other regulatory matters required by SEC regulations is included in Exhibit 95 to this Quarterly Report on Form 10-Q.

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Item 5. Other Information.

Securities Trading Plans of Directors and Executive Officers

On February 10, 2026, James C. Grech, President & Chief Executive Officer and a member of the Company’s Board of Directors, adopted a Rule 10b5-1 trading arrangement (as such term is defined in Item 408 of Regulation S-K), which is designed to be in effect until December 31, 2027, subject to customary exceptions. Mr. Grech’s Rule 10b5-1 trading arrangement calls for the sale of up to 54,500 shares, subject to certain conditions.

On February 23, 2026, Scott T. Jarboe, Chief Administrative Officer and Corporate Secretary, adopted a Rule 10b5-1 trading arrangement (as such term is defined in Item 408 of Regulation S-K), which is designed to be in effect until January 31, 2028, subject to customary exceptions. Mr. Jarboe’s Rule 10b5-1 trading arrangement calls for potential sales of a percentage of shares that he could receive upon the future vesting of certain outstanding equity awards, net of any shares withheld by Peabody to satisfy applicable taxes. The number of shares to be withheld, and thus the exact maximum number of shares to be sold pursuant to Mr. Jarboe’s Rule 10b5-1 trading arrangement, can only be determined upon the occurrence of the future vesting events. For purposes of this disclosure, without subtracting any shares to be withheld upon future vesting events, the maximum aggregate number of shares to be sold pursuant to Mr. Jarboe’s Rule 10b5-1 trading arrangement is 45,545.

Except as set forth above, during the three months ended March 31, 2026, none of Peabody’s directors or officers adopted or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as these terms are defined in Item 408 of Regulation S-K of the Exchange Act.

Item 6. Exhibits.

See Exhibit Index on following pages.

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EXHIBIT INDEX

The exhibits below are numbered in accordance with the Exhibit Table of Item 601 of Regulation S-K.

Exhibit No.	Description of Exhibit
31.1†	Certification of periodic financial report by the Registrant’s Chief Executive Officer pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2†	Certification of periodic financial report by the Registrant’s Chief Financial Officer pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1†	Certification of periodic financial report pursuant to 18 U.S.C. Section 1350, adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, by the Registrant’s Chief Executive Officer.
32.2†	Certification of periodic financial report pursuant to 18 U.S.C. Section 1350, adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, by the Registrant’s Chief Financial Officer.
95†	Mine Safety Disclosure required by Item 104 of Regulation S-K.
101.INS	Inline XBRL Instance Document - the instance document does not appear in the interactive data file because XBRL tags are embedded within the Inline XBRL document
101.SCH	Inline XBRL Taxonomy Extension Schema Document
101.CAL	Inline XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF	Inline XBRL Taxonomy Extension Definition Linkbase Document
101.LAB	Inline XBRL Taxonomy Extension Label Linkbase Document
101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase Document
104	Cover Page Interactive Data File (embedded within the Inline XBRL document).
†	Filed herewith.

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SIGNATURE

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

		PEABODY ENERGY CORPORATION
Date:	May 6, 2026	By:	/s/ MARK A. SPURBECK
			Mark A. Spurbeck
			Executive Vice President and Chief Financial Officer (On behalf of the registrant and as Principal Financial Officer)

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EX-31.1

Exhibit 31.1

CERTIFICATION

I, James C. Grech, certify that:

1.    I have reviewed this quarterly report on Form 10-Q of Peabody Energy Corporation (“the registrant”);

2.    Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.     Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.     The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.     The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b)any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: May 6, 2026

/s/ James C. Grech

James C. Grech

President and Chief Executive Officer 

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Mark A. Spurbeck, certify that:

1.    I have reviewed this quarterly report on Form 10-Q of Peabody Energy Corporation (“the registrant”);

2.    Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.     Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.     The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.     The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b)any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: May 6, 2026

/s/ Mark A. Spurbeck

Mark A. Spurbeck

Executive Vice President and Chief Financial Officer 

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

(18 U.S.C. SECTION 1350)

I, James C. Grech, President and Chief Executive Officer of Peabody Energy Corporation, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1)the Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2026 (the “Periodic Report”) which this statement accompanies fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2)information contained in the Periodic Report fairly presents, in all material respects, the financial condition and results of operations of Peabody Energy Corporation.

Dated: May 6, 2026

/s/ James C. Grech 

James C. Grech

President and Chief Executive Officer 

EX-32.2

Exhibit 32.2

CERTIFICATION PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

(18 U.S.C. SECTION 1350)

I, Mark A. Spurbeck, Executive Vice President and Chief Financial Officer of Peabody Energy Corporation, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1)the Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2026 (the “Periodic Report”) which this statement accompanies fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2)information contained in the Periodic Report fairly presents, in all material respects, the financial condition and results of operations of Peabody Energy Corporation.

Dated: May 6, 2026

/s/ Mark A. Spurbeck

Mark A. Spurbeck

Executive Vice President and Chief Financial Officer 

EX-95

Exhibit 95

Mine Safety Disclosures

The following disclosures are provided pursuant to Securities and Exchange Commission (SEC) regulations, which require certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate coal mines regulated under the Federal Mine Safety and Health Act of 1977 (the Mine Act). The disclosures reflect United States (U.S.) mining operations only, as these requirements do not apply to our mines operated outside the U.S.

Mine Safety Information. Whenever the Mine Safety and Health Administration (MSHA) believes that a violation of the Mine Act, any health or safety standard, or any regulation has occurred, it may issue a violation which describes the associated condition or practice and designates a timeframe within which the operator must abate the violation. In some situations, such as when MSHA believes that conditions pose a hazard to miners, MSHA may issue an order removing miners from the area of the mine affected by the condition until hazards are corrected. Whenever MSHA issues a citation or order, it generally proposes a civil penalty, or fine, as a result of the violation that the operator is ordered to pay. Citations and orders can be contested and appealed and, as part of that process, are often reduced in severity and amount, and are sometimes vacated. The number of citations, orders and proposed assessments vary depending on the size and type (underground or surface) of the company and mine. Since MSHA is a branch of the U.S. Department of Labor, its jurisdiction applies only to our U.S. mines. As such, the mine safety disclosures that follow contain no information for our Australian mines.

The table that follows reflects citations and orders issued to us by MSHA during the three months ended March 31, 2026, as reflected in our systems. The table includes only those mines that were issued orders or citations during the period presented and, commensurate with SEC regulations, does not reflect orders or citations issued to independent contractors working at our mines. Due to timing and other factors, our data may not agree with the mine data retrieval system maintained by MSHA. The proposed assessments for the three months ended March 31, 2026 were taken from the MSHA system as of May 1, 2026.

Additional information about MSHA references used in the table is as follows:

•Section 104 S&S Violations: The total number of violations received from MSHA under section 104(a) of the Mine Act that could significantly and substantially contribute to a serious injury if left unabated.

•Section 104(b) Orders: The total number of orders issued by MSHA under section 104(b) of the Mine Act, which represents a failure to abate a citation under section 104(a) within the period of time prescribed by MSHA. This results in an order of immediate withdrawal from the area of the mine affected by the condition until MSHA determines that the violation has been abated.

•Section 104(d) Citations and Orders: The total number of citations and orders issued by MSHA under section 104(d) of the Mine Act for unwarrantable failure to comply with mandatory health or safety standards.

•Section 104(e) Notices: The total number of notices issued by MSHA under section 104(e) of the Mine Act for a pattern of violations that could contribute to mine health or safety hazards.

•Section 110(b)(2) Violations: The total number of flagrant violations issued by MSHA under section 110(b)(2) of the Mine Act.

•Section 107(a) Orders: The total number of orders issued by MSHA under section 107(a) of the Mine Act for situations in which MSHA determined an imminent danger existed.

•Proposed MSHA Assessments: The total dollar value of proposed assessments from MSHA.

•Fatalities: The total number of mining-related fatalities.

Three Months Ended March 31, 2026

	Section 104 S&S Violations	Section 104(b) Orders	Section 104(d) Citations and Orders	Section 104(e) Pattern of Violations	Section 110(b)(2) Violations	Section 107(a) Orders	($) Proposed MSHA Assessments	Fatalities
Mine (1)
							(In thousands)
Seaborne Metallurgical
Shoal Creek Mine	42	—	—	—	—	—	187.0	—
Powder River Basin
Caballo	3	—	—	—	—	—	5.8	—
North Antelope Rochelle	3	—	—	—	—	—	12.3	—
Rawhide	—	—	—	—	—	—	2.3	—
Other U.S. Thermal
Bear Run	3	—	—	—	—	—	3.0	—
El Segundo	—	—	—	—	—	—	4.2	—
Francisco Preparation Plant (Francisco Mine)	—	—	—	—	—	—	0.5	—
Francisco Underground	18	—	—	—	—	—	58.6	—
Gateway North	11	—	2	—	—	—	48.9	—
Gateway Preparation Plant	1	—	—	—	—	—	0.5	—
Twentymile (Foidel Creek Mine)	4	—	—	—	—	—	44.0	—

(1)The definition of "mine" under section 3 of the Mine Act includes the mine, as well as other items used in, or to be used in, or resulting from, the work of extracting coal, such as land, structures, facilities, equipment, machines, tools and coal preparation facilities. Also, there are instances where the mine name per the MSHA system differs from the mine name utilized by us. Where applicable, we have parenthetically listed the name of the mine per the MSHA system. Also, all U.S. mines are listed alphabetically within each of our mining segments.

Pending Legal Actions. The Federal Mine Safety and Health Review Commission (the Commission) is an independent adjudicative agency that provides administrative trial and appellate review of legal disputes arising under the Mine Act. These cases may involve, among other questions, challenges by operators to citations, orders and penalties they have received from MSHA, or complaints of discrimination by miners under section 105 of the Mine Act. The following is a brief description of the types of legal actions that may be brought before the Commission.

•Contests of Citations and Orders: A contest proceeding may be filed with the Commission by operators, miners or miners’ representatives to challenge the issuance of a citation or order issued by MSHA, including citations related to disputed provisions of operators' emergency response plans.

•Contests of Proposed Penalties (Petitions for Assessment of Penalties):A contest of a proposed penalty is an administrative proceeding before the Commission challenging a civil penalty that MSHA has proposed for the violation. Such proceedings may also involve appeals of judges' decisions or orders to the Commission on proposed penalties, including petitions for discretionary review and review by the Commission on its own motion.

•Complaints for Compensation:A complaint for compensation may be filed with the Commission by miners entitled to compensation when a mine is closed by certain withdrawal orders issued by MSHA. The purpose of the proceeding is to determine the amount of compensation, if any, due miners idled by the orders.

•Complaints of Discharge, Discrimination or Interference:A discrimination proceeding is a case that involves a miner’s allegation that he or she has suffered a wrong by the operator because he or she engaged in some type of activity protected under the Mine Act, such as making a safety complaint. This category includes temporary reinstatement proceedings, which involve cases in which a miner has filed a complaint with MSHA stating he or she has suffered discrimination and the miner has lost his or her position.

•Applications for Temporary Relief: An application for temporary relief from any modification or termination of any order or from any order issued under certain subparts of section 104 of the Mine Act may be filed with the Commission at any time before such order becomes final.

The table that follows presents information by mine regarding pending legal actions before the Commission at March 31, 2026. Each legal action is assigned a docket number by the Commission and may have as its subject matter one or more citations, orders, penalties or complaints.

	Pending Legal Actions							Legal Actions Initiated During the Three Months Ended March 31, 2026	Legal Actions Resolved During the Three Months Ended March 31, 2026
	Number of Pending Legal Actions as of March 31, 2026	Pre-Penalty Contests of Citations/Orders	Contests of Penalty Assessment	Complaints for Compensation	Complaints of Discharge, Discrimination or Interference	Applications for Temporary Relief	Appeals of Judges’ Decisions or Orders
Mine (1)
Seaborne Metallurgical
Shoal Creek Mine	13	—	9	—	—	—	4	2	1
Powder River Basin
North Antelope Rochelle	2	—	2	—	—	—	—	2	—
Other U.S. Thermal
Bear Run	1	—	1	—	—	—	—	—	—
Francisco Underground	1	—	1	—	—	—	—	4	5
Gateway North	3	—	3	—	—	—	—	2	4
Twentymile (Foidel Creek)	6	—	6	—	—	—	—	1	1

(1)The definition of "mine" under section 3 of the Mine Act includes the mine, as well as other items used in, or to be used in, or resulting from, the work of extracting coal, such as land, structures, facilities, equipment, machines, tools and coal preparation facilities. Also, there are instances where the mine name per the MSHA system differs from the mine name utilized by us. Where applicable, we have parenthetically listed the name of the mine per the MSHA system. Also, all U.S. mines are listed alphabetically within each of our mining segments.

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Cover Page - shares shares in Millions	3 Months Ended
	Mar. 31, 2026	May 01, 2026
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2026
Document Transition Report	false
Entity File Number	1-16463
Entity Registrant Name	PEABODY ENERGY CORP
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	13-4004153
Entity Address, Address Line One	701 Market Street,
Entity Address, City or Town	St. Louis,
Entity Address, State or Province	MO
Entity Address, Postal Zip Code	63101-1826
City Area Code	314
Local Phone Number	342-3400
Title of 12(b) Security	Common Stock, par value $0.01 per share
Trading Symbol	BTU
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		121.8
Entity Central Index Key	0001064728
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2026
Document Fiscal Period Focus	Q1
Amendment Flag	false
Number of reportable segments not disclosed flag	true

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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Income Statement [Abstract]
Revenues	$ 973.3	$ 937.0
Costs and expenses
Operating costs and expenses (exclusive of items shown separately below)	864.7	770.2
Depreciation, depletion and amortization	109.5	92.1
Asset retirement obligation expenses	13.6	13.6
Selling and administrative expenses	31.6	23.6
Restructuring charges	1.1	1.7
Costs related to terminated acquisition	3.0	2.4
Other Operating Income Loss [Abstract]
Net gain on disposals	(11.7)	(5.2)
Loss from equity affiliates	5.7	6.7
Operating (loss) profit	(44.2)	31.9
Interest expense, net of capitalized interest	10.7	11.5
Interest income	(13.1)	(15.4)
Net periodic benefit credit, excluding service cost	(0.4)	(7.4)
(Loss) income from continuing operations before income taxes	(41.4)	43.2
Income tax (benefit) provision	(16.0)	4.9
(Loss) income from continuing operations, net of income taxes	(25.4)	38.3
Loss from discontinued operations, net of income taxes	(0.2)	(0.3)
Net (loss) income	(25.6)	38.0
Less: Net income attributable to noncontrolling interests	6.8	3.6
Net (loss) income attributable to common stockholders	$ (32.4)	$ 34.4
(Loss) income from continuing operations:
Basic (loss) income per share	$ (0.26)	$ 0.29
Diluted (loss) income per share	(0.26)	0.27
Net (loss) income attributable to common stockholders:
Basic (loss) income per share	(0.27)	0.28
Diluted (loss) income per share	$ (0.27)	$ 0.27

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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (25.6)	$ 38.0
Postretirement plans (net of $0.0 tax provisions in each period)	(2.8)	(10.2)
Foreign currency translation adjustment	1.1	0.4
Other comprehensive loss, net of income taxes	(1.7)	(9.8)
Comprehensive (loss) income	(27.3)	28.2
Less: Net income attributable to noncontrolling interests	6.8	3.6
Comprehensive (loss) income attributable to common stockholders	$ (34.1)	$ 24.6

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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Statement of Comprehensive Income [Abstract]
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	$ 0.0	$ 0.0

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CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Current assets
Cash and cash equivalents	$ 492.5	$ 575.3
Accounts receivable, net of allowance for credit losses of $0.0 at March 31, 2026 and December 31, 2025	309.5	314.9
Inventories, net	405.5	383.2
Other current assets	303.8	285.4
Total current assets	1,511.3	1,558.8
Property, plant, equipment and mine development, net	3,129.9	3,153.3
Operating lease right-of-use assets	128.9	121.2
Restricted cash and collateral	811.3	844.1
Investments and other assets	126.3	127.6
Deferred income taxes	2.3	2.2
Total assets	5,710.0	5,807.2
Current liabilities
Current portion of long-term debt	14.3	15.2
Accounts payable and accrued expenses	795.6	827.0
Total current liabilities	809.9	842.2
Long-term debt, less current portion	320.9	321.2
Deferred income taxes	3.5	26.3
Asset retirement obligations, less current portion	694.4	692.8
Accrued postretirement benefit costs	108.8	109.2
Operating lease liabilities, less current portion	94.4	87.5
Other noncurrent liabilities	138.0	145.8
Total liabilities	2,169.9	2,225.0
Stockholders’ equity
Preferred Stock — $0.01 per share par value; 100.0 shares authorized, no shares issued or outstanding as of March 31, 2026 or December 31, 2025	0.0	0.0
Series Common Stock — $0.01 per share par value; 50.0 shares authorized, no shares issued or outstanding as of March 31, 2026 or December 31, 2025	0.0	0.0
Common Stock — $0.01 per share par value; 450.0 shares authorized, 189.6 shares issued and 121.8 shares outstanding as of March 31, 2026 and 189.3 shares issued and 121.6 shares outstanding as of December 31, 2025	1.9	1.9
Additional paid-in capital	4,010.3	4,004.8
Treasury stock, at cost — 67.8 and 67.7 common shares as of March 31, 2026 and December 31, 2025	(1,930.6)	(1,927.3)
Retained earnings	1,314.2	1,355.9
Accumulated other comprehensive income	99.4	101.1
Peabody Energy Corporation stockholders’ equity	3,495.2	3,536.4
Noncontrolling interests	44.9	45.8
Total stockholders’ equity	3,540.1	3,582.2
Total liabilities and stockholders’ equity	$ 5,710.0	$ 5,807.2
Treasury Stock, Common
Stockholders’ equity
Treasury stock, shares (in shares)	67,800,000	67,700,000

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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Current assets
Allowance for credit losses	$ 0.0	$ 0.0
Preferred Stock
Stockholders' equity
Preferred stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	100,000,000.0	100,000,000.0
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Series Common Stock
Stockholders' equity
Common stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	50,000,000.0	50,000,000.0
Common stock, shares issued (in shares)	0	0
Common stock, shares outstanding (in shares)	0	0
Common Stock
Stockholders' equity
Common stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	450,000,000.0	450,000,000.0
Common stock, shares issued (in shares)	189,600,000	189,300,000
Common stock, shares outstanding (in shares)	121,800,000	121,600,000
Treasury Stock, Common
Stockholders' equity
Treasury stock, shares (in shares)	67,800,000	67,700,000

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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Cash Flows From Operating Activities
Net (loss) income	$ (25.6)	$ 38.0
Loss from discontinued operations, net of income taxes	0.2	0.3
(Loss) income from continuing operations, net of income taxes	(25.4)	38.3
Adjustments to reconcile (loss) income from continuing operations, net of income taxes to net cash provided by operating activities:
Depreciation, depletion and amortization	109.5	92.1
Noncash interest expense, net	1.4	1.6
Deferred income taxes	(22.8)	(3.9)
Noncash share-based compensation	5.4	2.7
Net gain on disposals	(11.7)	(5.2)
Loss from equity affiliates	5.7	6.7
Unrealized gains on foreign currency option contracts	(0.3)	(4.3)
Changes in current assets and liabilities:
Accounts receivable	11.9	84.5
Inventories	(22.3)	(24.6)
Other current assets	(12.7)	37.4
Accounts payable and accrued expenses	(3.1)	(89.7)
Collateral arrangements	(0.5)	(0.4)
Asset retirement obligations	1.6	1.3
Postretirement benefit obligations	(3.3)	(11.4)
Pension obligations	0.4	(4.9)
Other, net	(3.2)	0.3
Net cash provided by continuing operations	30.6	120.5
Net cash used in discontinued operations	(0.6)	(0.6)
Net cash provided by operating activities	30.0	119.9
Cash Flows From Investing Activities
Additions to property, plant, equipment and mine development	(85.4)	(70.4)
Changes in accrued expenses related to capital expenditures	(37.1)	(38.6)
Proceeds from disposal of assets, net of receivables	5.4	7.2
Contributions to joint ventures	(165.6)	(138.3)
Distributions from joint ventures	160.2	150.8
Other, net	(1.0)	(0.3)
Net cash used in investing activities	(123.5)	(89.6)
Cash Flows From Financing Activities
Repayments of long-term debt	(2.4)	(2.8)
Payment of debt issuance and other deferred financing costs	0.0	(1.7)
Repurchase of employee common stock relinquished for tax withholding	(3.3)	(0.8)
Dividends paid	(9.2)	(9.1)
Distributions to noncontrolling interests	(7.7)	(14.7)
Net cash used in financing activities	(22.6)	(29.1)
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation, Beginning Balance	1,284.5	1,382.6
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation, Ending Balance	1,168.4	1,383.8
Cash and cash equivalents	492.5
Restricted Cash	675.9
Net change in cash, cash equivalents and restricted cash	$ (116.1)	$ 1.2

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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY - USD ($) $ in Millions	Total	Common Stock	Additional paid-in capital	Treasury Stock, Common	Retained earnings	Accumulated other comprehensive income	Noncontrolling interests
Balance, beginning of period at Dec. 31, 2024		$ 1.9	$ 3,990.5	$ (1,926.5)	$ 1,445.8	$ 138.8	$ 58.3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation for equity-classified awards			2.7
Net (loss) income	$ 38.0				34.4		3.6
Dividends declared per share	$ 0.075
Dividends declared ($0.075 and $0.075 per share, respectively)			0.2		9.3
Repurchase of employee common stock relinquished for tax withholding	$ (0.8)			(0.8)
Postretirement plans (net of $0.0 tax provisions in each period)	(10.2)					(10.2)
Foreign currency translation adjustment	0.4					0.4
Distributions to noncontrolling interests							(14.7)
Balance, end of period at Mar. 31, 2025	3,715.1	1.9	3,993.4	(1,927.3)	1,470.9	129.0	47.2
Balance, beginning of period at Dec. 31, 2025	3,582.2	1.9	4,004.8	(1,927.3)	1,355.9	101.1	45.8
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation for equity-classified awards			5.4
Net (loss) income	$ (25.6)				(32.4)		6.8
Dividends declared per share	$ 0.075
Dividends declared ($0.075 and $0.075 per share, respectively)			0.1		9.3
Repurchase of employee common stock relinquished for tax withholding	$ (3.3)			(3.3)
Postretirement plans (net of $0.0 tax provisions in each period)	(2.8)					(2.8)
Foreign currency translation adjustment	1.1					1.1
Distributions to noncontrolling interests							(7.7)
Balance, end of period at Mar. 31, 2026	$ 3,540.1	$ 1.9	$ 4,010.3	$ (1,930.6)	$ 1,314.2	$ 99.4	$ 44.9

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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY (Parenthetical) - USD ($)	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	$ 0.0	$ 0.0
Dividends declared per share	$ 0.075	$ 0.075
Accumulated other comprehensive income
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	$ 0.0	$ 0.0

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Basis of Presentation

3 Months Ended

Mar. 31, 2026

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

Basis of Presentation

The unaudited condensed consolidated financial statements include the accounts of Peabody Energy Corporation (PEC) and its consolidated subsidiaries and affiliates (along with PEC, the Company or Peabody). Interests in subsidiaries controlled by the Company are consolidated with any outside stockholder interests reflected as noncontrolling interests, except when the Company has an undivided interest in a joint venture. In those cases, the Company includes its proportionate share in the assets, liabilities, revenue and expenses of the jointly controlled entities within each applicable line item of the unaudited condensed consolidated financial statements. All intercompany transactions, profits and balances have been eliminated in consolidation.

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States (U.S. GAAP) for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by U.S. GAAP for complete financial statements and should be read in conjunction with the consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2025. In the opinion of management, these financial statements reflect all normal, recurring adjustments necessary for a fair presentation. Balance sheet information presented herein as of December 31, 2025 has been derived from the Company’s audited consolidated balance sheet at that date. The Company’s consolidated results of operations for the three months ended March 31, 2026 are not necessarily indicative of the results that may be expected for future quarters or for the year ending December 31, 2026.

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Accounting Policies

3 Months Ended

Mar. 31, 2026

Accounting Policies [Abstract]

Newly Adopted Accounting Standards and Accounting Standards Not Yet Implemented

Newly Adopted Accounting Standards and Accounting Standards Not Yet Implemented

Newly Adopted Accounting Standards

Induced Conversions of Convertible Debt. In November 2024, Accounting Standards Update (ASU) 2024-04 was issued, which clarifies the requirements for determining whether certain settlements of convertible debt instruments should be accounted for as an induced conversion. The amendments in this ASU affect entities that settle convertible debt instruments for which the conversion privileges were changed to induce conversion. The Company adopted this ASU on January 1, 2026. The adoption of this ASU had no impact to the Company’s consolidated results of operations, cash flows, financial condition or disclosures, but would in the future if there are induced conversions.

Accounting Standards Not Yet Implemented

Expense Disaggregation. In November 2024, ASU 2024-03 was issued, which requires public entities to disclose additional information about specific expense categories in the notes to financial statements at interim and annual reporting periods. The Company is required to adopt the amendments for fiscal years beginning after December 15, 2026 and interim reporting periods beginning after December 15, 2027. The amendments should be applied prospectively, with a retrospective option. Early adoption is permitted. The Company expects this ASU to only impact its disclosures with no impacts to its consolidated results of operations, cash flows and financial condition.

Government Grants. In December 2025, ASU 2025-10 was issued, which establishes guidance on the recognition, measurement and presentation of a government grant received by a business entity. U.S. GAAP did not provide such guidance, and many business entities have been analogizing to International Accounting Standard 20 or other guidance when accounting for government grants. The Company is required to adopt the amendments for fiscal years beginning after December 15, 2028 and interim reporting periods within those periods. The amendments can be applied using a modified retrospective or retrospective approach. Early adoption is permitted. The Company will apply this guidance upon its adoption, as applicable.

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Revenue Recognition

3 Months Ended

Mar. 31, 2026

Revenue Recognition [Abstract]

Revenue Recognition

Revenue Recognition

Refer to Note 1. “Summary of Significant Accounting Policies” in the Company’s Annual Report on Form 10-K for the year ended December 31, 2025, for the Company’s policies regarding “Revenue” and “Accounts receivable, net.”

Disaggregation of Revenue

Revenue by product type and market is set forth in the following tables. With respect to its seaborne reportable segments, the Company classifies as “Export” certain revenue from domestically-delivered coal under contracts in which the price is derived on a basis similar to export contracts.

	Three Months Ended March 31, 2026
	Seaborne Thermal		Seaborne Metallurgical		Powder River Basin		Other U.S. Thermal		Corporate and Other (1)		Consolidated
	(Dollars in millions)
Thermal coal
Domestic	$	35.5	$	—	$	289.5	$	184.5	$	—	$	509.5
Export	161.8		—		—		—		—		161.8
Total thermal	197.3		—		289.5		184.5		—		671.3
Metallurgical coal
Export	—		282.3		—		—		—		282.3
Total metallurgical	—		282.3		—		—		—		282.3
Other	0.2		0.7		—		—		18.8		19.7
Revenue	$	197.5	$	283.0	$	289.5	$	184.5	$	18.8	$	973.3

	Three Months Ended March 31, 2025
	Seaborne Thermal		Seaborne Metallurgical		Powder River Basin		Other U.S. Thermal		Corporate and Other (1)		Consolidated
	(Dollars in millions)
Thermal coal
Domestic	$	37.7	$	—	$	275.5	$	168.7	$	—	$	481.9
Export	227.3		—		—		—		—		227.3
Total thermal	265.0		—		275.5		168.7		—		709.2
Metallurgical coal
Export	—		219.7		—		—		—		219.7
Total metallurgical	—		219.7		—		—		—		219.7
Other	0.1		0.4		0.1		—		7.5		8.1
Revenue	$	265.1	$	220.1	$	275.6	$	168.7	$	7.5	$	937.0

(1)    Corporate and Other includes the following:

	Three Months Ended March 31,
	2026		2025
	(Dollars in millions)
Revenue from physical sale of coal (2)	$	13.7	$	4.0
Other	5.1		3.5
Total Corporate and Other	$	18.8	$	7.5

(2)    Includes revenue recognized upon the physical sale of coal purchased from the Company’s reportable segments and sold to customers through the Company’s coal trading business. Primarily represents the difference between the price contracted with the customer and the price allocated to the reportable segment.

Accounts Receivable

“Accounts receivable, net” at March 31, 2026 and December 31, 2025 consisted of the following:

	March 31, 2026		December 31, 2025
	(Dollars in millions)
Trade receivables, net	$	254.1	$	267.0
Miscellaneous receivables, net	55.4		47.9
Accounts receivable, net	$	309.5	$	314.9

None of the above receivables included allowances for credit losses at March 31, 2026 or December 31, 2025. No charges for credit losses were recognized during the three months ended March 31, 2026 or 2025.

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Inventories

3 Months Ended

Mar. 31, 2026

Inventory Disclosure [Abstract]

Inventories

Inventories

“Inventories, net” as of March 31, 2026 and December 31, 2025 consisted of the following:

	March 31, 2026		December 31, 2025
	(Dollars in millions)
Materials and supplies, net	$	172.5	$	161.6
Saleable coal	154.2		126.0
Raw coal	78.8		95.6
Inventories, net	$	405.5	$	383.2

Materials and supplies inventories, net presented above have been shown net of reserves of $5.2 million and $5.1 million as of March 31, 2026 and December 31, 2025, respectively.

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Equity Method Investments

3 Months Ended

Mar. 31, 2026

Equity Method Investments and Joint Ventures [Abstract]

Equity Method Investments

Equity Method Investments

The Company’s equity method investments include its interests in Middlemount Coal Pty Ltd. (Middlemount) and certain other equity method investments, including R3 Renewables II LLC (R3 II).

The table below summarizes the book value of those investments, which are reported in “Investments and other assets” in the condensed consolidated balance sheets, and the related “Loss from equity affiliates” in the unaudited condensed consolidated statements of operations:

					Loss from Equity Affiliates
	Book Value at				Three Months Ended March 31,
	March 31, 2026		December 31, 2025		2026		2025
	(Dollars in millions)
Equity method investment related to Middlemount	$	44.0	$	47.5	$	4.5	$	6.3
Other equity method investments	—		—		1.2		0.4
Total equity method investments	$	44.0	$	47.5	$	5.7	$	6.7

Peabody has a 25% equity interest in R3 II. The unrelated party with the remaining equity interest in R3 II has a contingent consideration for the future obligation to pay Peabody milestone payments as defined when R3 II was established in 2024.

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Derivatives and Fair Value Measurements

3 Months Ended

Mar. 31, 2026

Fair Value Disclosures [Abstract]

Derivatives and Fair Value Measurements

Derivatives and Fair Value Measurements

Derivatives

From time to time, the Company may utilize various types of derivative instruments to manage its exposure to risks in the normal course of business, including (1) foreign currency exchange rate risk and the variability of cash flows associated with forecasted Australian dollar expenditures made in its Australian mining platform and (2) price risk of fluctuating coal prices related to forecasted sales or purchases of coal, or changes in the fair value of a fixed price physical sales contract. These risk management activities are actively monitored for compliance with the Company’s risk management policies.

On a limited basis, the Company engages in the direct and brokered trading of coal and freight-related contracts. Except those contracts for which the Company has elected to apply a normal purchases and normal sales exception, all derivative coal trading contracts are accounted for at fair value.

Foreign Currency

The Company utilizes options and collars to hedge currency risk associated with anticipated Australian dollar operating expenditures. As of March 31, 2026, the Company held average rate options with an aggregate notional amount of $528.0 million Australian dollars to hedge currency risk associated with anticipated Australian dollar operating expenditures over the nine-month period ending December 31, 2026. The instruments entitle the Company to receive payment on the notional amount should the quarterly average Australian dollar-to-U.S. dollar exchange rate exceed amounts ranging from $0.71 to $0.76 over the nine-month period ending December 31, 2026. As of March 31, 2026, the Company also held purchased collars with an aggregate notional amount of $539.0 million Australian dollars related to anticipated Australian dollar operating expenditures during the nine-month period ending December 31, 2026. The purchased collars have a floor ranging from $0.60 to $0.66 and a ceiling ranging from $0.70 to $0.76, whereby the Company will incur a loss on the instruments for quarterly average Australian dollar-to-U.S. dollar exchange rates below the floor and a gain for quarterly average rates above the ceiling.

Tabular Derivatives Disclosures

The Company has master netting agreements with certain of its counterparties which allow for the settlement of contracts in an asset position with contracts in a liability position in the event of default or termination. Such netting arrangements reduce the Company’s credit exposure related to these counterparties. For classification purposes, the Company records the net fair value of all the positions with a given counterparty as a net asset or liability in the condensed consolidated balance sheets. As of March 31, 2026, the Company had an asset derivative comprised of foreign currency option contracts with a fair value of $3.0 million. As of December 31, 2025, the Company had an asset derivative comprised of foreign currency option contracts with a fair value of $2.7 million. The net amount of asset derivatives is included in “Other current assets” and the net amount of liability derivatives is included in “Accounts payable and accrued expenses” in the accompanying condensed consolidated balance sheets.

The Company does not seek cash flow hedge accounting treatment for its derivative financial instruments and, thus, changes in fair value are reflected in current earnings. The tables below show the amounts of pretax gains and losses related to the Company’s derivatives and their classification within the accompanying unaudited condensed consolidated statements of operations.

		Three Months Ended March 31, 2026
		Total gain recognized in income		Gain realized in income on derivatives		Unrealized gain recognized in income on derivatives
Derivative Instrument	Classification
		(Dollars in millions)
Foreign currency option contracts	Operating costs and expenses	$	0.6	$	0.3	$	0.3
Total		$	0.6	$	0.3	$	0.3
		Three Months Ended March 31, 2025
		Total gain recognized in income		Loss realized in income on derivatives		Unrealized gain recognized in income on derivatives
Derivative Instrument	Classification
		(Dollars in millions)
Foreign currency option contracts	Operating costs and expenses	$	3.6	$	(0.7)	$	4.3
Total		$	3.6	$	(0.7)	$	4.3

The Company classifies derivative-related activity within the “Cash Flows From Operating Activities” section of the unaudited condensed consolidated statements of cash flows.

Fair Value Measurements

The Company uses a three-level fair value hierarchy that categorizes assets and liabilities measured at fair value based on the observability of the inputs utilized in the valuation. These levels include: Level 1 - inputs are quoted prices in active markets for the identical assets or liabilities; Level 2 - inputs are other than quoted prices included in Level 1 that are directly or indirectly observable through market-corroborated inputs; and Level 3 - inputs are unobservable, or observable but cannot be market-corroborated, requiring the Company to make assumptions about pricing by market participants.

The following tables set forth the hierarchy of the Company’s net asset positions for which fair value is measured on a recurring basis.

	March 31, 2026
	Level 1		Level 2		Level 3		Total
	(Dollars in millions)
Foreign currency option contracts	$	—	$	3.0	$	—	$	3.0
Total net assets	$	—	$	3.0	$	—	$	3.0
	December 31, 2025
	Level 1		Level 2		Level 3		Total
	(Dollars in millions)
Foreign currency option contracts	$	—	$	2.7	$	—	$	2.7
Total net assets	$	—	$	2.7	$	—	$	2.7

For Level 1 and 2 financial assets and liabilities, the Company utilizes both direct and indirect observable price quotes, including interest rate yield curves, exchange indices, broker/dealer quotes, published indices, issuer spreads, benchmark securities and other market quotes. In the case of certain debt securities, fair value is provided by a third-party pricing service. Below is a summary of the Company’s valuation techniques for Level 1 and 2 financial assets and liabilities:

•Foreign currency option contracts are valued utilizing inputs obtained in quoted public markets (Level 2) except when credit and non-performance risk is considered to be a significant input, then the Company classifies such contracts as Level 3.

Other Financial Instruments. The following methods and assumptions were used by the Company in estimating fair values for other financial instruments as of March 31, 2026 and December 31, 2025:

•Cash and cash equivalents, restricted cash, accounts receivable, including those within the Company’s accounts receivable securitization program, notes receivable and accounts payable have carrying values which approximate fair value due to the short maturity or the liquid nature of these instruments.

•Long-term debt fair value estimates are based on observed prices for securities when available (Level 2), and otherwise on estimated borrowing rates to discount the cash flows to their present value (Level 3).

Market risk associated with the Company’s fixed-rate long-term debt relates to the potential reduction in the fair value from an increase in interest rates. The fair value of debt, shown below, is principally based on reported market values and estimates based on interest rates, maturities, credit risk, underlying collateral and completed market transactions.

	March 31, 2026		December 31, 2025
	(Dollars in millions)
Total debt at par value	$	339.1	$	340.8
Less: Unamortized debt issuance costs	(3.9)		(4.4)
Net carrying amount	$	335.2	$	336.4
Estimated fair value	$	605.8	$	557.8

The Company had no transfers between Levels 1, 2 and 3 during the three months ended March 31, 2026 and 2025. The Company’s policy is to value all transfers between levels using the beginning of period valuation.

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Property, Plant, Equipment and Mine Development

3 Months Ended

Mar. 31, 2026

Property, Plant, and Equipment [Abstract]

Property, Plant, Equipment and Mine Development

Property, Plant, Equipment and Mine Development

The composition of property, plant, equipment and mine development, net, as of March 31, 2026 and December 31, 2025 is set forth in the table below:

	March 31, 2026		December 31, 2025
	(Dollars in millions)
Land and coal interests	$	2,689.3	$	2,691.2
Buildings and improvements	760.5		758.8
Machinery and equipment	2,405.9		2,377.1
Less: Accumulated depreciation, depletion and amortization	(2,725.8)		(2,673.8)
Property, plant, equipment and mine development, net	$	3,129.9	$	3,153.3

At-Risk Assets

The Company identified certain assets with an aggregate carrying value of approximately $60 million at March 31, 2026 in its Other U.S. Thermal segment whose recoverability is most sensitive to customer concentration risk.

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Income Taxes

3 Months Ended

Mar. 31, 2026

Income Tax Disclosure [Abstract]

Income Tax Disclosure [Text Block]

Income Taxes

The Company's effective tax rate before remeasurement for the three months ended March 31, 2026 is based on the Company’s estimated full year effective tax rate, comprised of expected statutory tax provision, offset by foreign rate differential and changes in valuation allowance. The Company’s income tax benefit of $16.0 million and income tax provision of $4.9 million for the three months ended March 31, 2026 and 2025, respectively, included a tax benefit of $0.2 million and a tax provision of $0.5 million, respectively, related to the remeasurement of foreign income tax accounts. Due to existing valuation allowances, the income tax (benefit) provision is primarily related to the Australian results of operations.

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Long-term Debt

3 Months Ended

Mar. 31, 2026

Debt Disclosure [Abstract]

Long-term Debt

Long-term Debt 

The Company’s total indebtedness as of March 31, 2026 and December 31, 2025 consisted of the following:

Debt Instrument (defined below, as applicable)	March 31, 2026		December 31, 2025
	(Dollars in millions)
3.250% Convertible Senior Notes due March 2028 (2028 Convertible Notes)	$	320.0	$	320.0
Finance lease obligations	19.1		20.8
Less: Debt issuance costs	(3.9)		(4.4)
	335.2		336.4
Less: Current portion of long-term debt	14.3		15.2
Long-term debt	$	320.9	$	321.2

2028 Convertible Notes

On March 1, 2022, through a private offering, the Company issued the 2028 Convertible Notes in the aggregate principal amount of $320.0 million. The 2028 Convertible Notes are senior unsecured obligations of the Company and are governed under an indenture.

The 2028 Convertible Notes will mature on March 1, 2028, unless earlier converted, redeemed or repurchased in accordance with their terms. The 2028 Convertible Notes bear interest at a rate of 3.250% per year, payable semi-annually in arrears on March 1 and September 1 of each year.

The initial conversion rate for the 2028 Convertible Notes was 50.3816 shares of the Company’s common stock per $1,000 principal amount of 2028 Convertible Notes, which represented an initial conversion price of approximately $19.85 per share of the Company’s common stock. The terms of the indenture require conversion rate adjustments upon the payment of dividends to holders of the Company’s common stock once such cumulative dividends impact the conversion rate by at least 1%. Effective November 13, 2025, the conversion rate was increased to 52.3853 shares of the Company’s common stock per $1,000 principal amount of 2028 Convertible Notes, which represented an adjusted conversion price of approximately $19.09 per share. Under the applicable conversion rate formula, the $0.075 per share dividend declared and paid since the prior conversion rate adjustment yielded a revised conversion rate of 52.5028 shares per $1,000 principal amount of 2028 Convertible Notes, which did not meet the 1% threshold to impact the existing conversion rate of 52.3853. The conversion rate may be impacted prospectively, based upon cumulative dividends paid. The conversion rate is also subject to further adjustment under certain circumstances in accordance with the terms of the indenture.

During both the fourth quarter of 2025 and the first quarter of 2026, the Company’s reported common stock prices prompted the conversion feature of the 2028 Convertible Notes. As a result, the 2028 Convertible Notes were convertible at the option of the holders during the first quarter of 2026, for which no conversion requests were received, and remain convertible during the second quarter of 2026. It is the Company’s current intent to settle any conversions of the 2028 Convertible Notes through shares of its common stock. As such, the 2028 Convertible Notes are not classified as a current obligation in the accompanying condensed consolidated balance sheets. Through May 4, 2026, the Company has not received any conversion requests and does not anticipate receiving any conversion requests in the near term as the market value of the 2028 Convertible Notes exceeds their conversion value.

As of March 31, 2026, the if-converted value of the 2028 Convertible Notes exceeded the principal amount by $232.4 million.

Revolving Credit Facility

The Company established a revolving credit facility with a maximum aggregate principal amount of $320.0 million in revolving commitments by entering into a credit agreement, dated as of January 18, 2024 (the 2024 Credit Agreement), by and among the Company, as borrower, certain subsidiaries of the Company party thereto, PNC Bank, National Association, as administrative agent, and the lenders party thereto.

The revolving commitments and any related loans, if applicable (any such loans, the Revolving Loans), established by the 2024 Credit Agreement terminate or mature, as applicable, on January 18, 2028, subject to certain conditions relating to the Company’s outstanding 2028 Convertible Notes. The Revolving Loans bear interest at a secured overnight financing rate (SOFR) plus an applicable margin ranging from 3.50% to 4.25%, depending on the Company’s total net leverage ratio (as defined under the 2024 Credit Agreement) or a base rate plus an applicable margin ranging from 2.50% to 3.25%, at the Company’s option. Letters of credit issued under the 2024 Credit Agreement incur a combined fee equal to an applicable margin ranging from 3.50% to 4.25% plus a fronting fee equal to 0.125% per annum. Unused capacity under the 2024 Credit Agreement bears a commitment fee of 0.50% per annum.

As of March 31, 2026, the 2024 Credit Agreement had only been utilized for letters of credit, including $49.2 million outstanding as of March 31, 2026. These letters of credit support the Company’s reclamation bonding requirements, lease obligations, insurance policies and various other performance guarantees as further described in Note 12. “Financial Instruments and Other Guarantees.” Availability under the 2024 Credit Agreement was $270.8 million at March 31, 2026.

The 2024 Credit Agreement contains customary covenants that, among other things and subject to certain exceptions (including compliance with financial ratios), may limit the Company and its subsidiaries’ ability to incur additional indebtedness, make certain restricted payments or investments, sell or otherwise dispose of assets, enter into transactions with affiliates, create or incur liens, and merge, consolidate or sell all or substantially all of their assets. The 2024 Credit Agreement is secured by substantially all assets of the Company and its U.S. subsidiaries, as well as a pledge of two Australian subsidiaries.

Interest Charges

The following table presents the components of the Company’s interest expense related to its indebtedness and financial assurance instruments such as surety bonds and letters of credit. Additionally, the table sets forth the amount of cash paid for interest, net of capitalized interest and the amount of non-cash interest expense primarily related to the amortization of debt issuance costs.

	Three Months Ended March 31,
	2026		2025
	(Dollars in millions)
2028 Convertible Notes	$	2.6	$	2.6
Finance lease obligations	0.3		0.4
Financial assurance instruments	6.7		7.2
Amortization of debt issuance costs	1.4		1.4
Receivables securitization program	0.6		0.6
Capitalized interest	(2.1)		(2.2)
Other	1.2		1.5
Interest expense, net of capitalized interest	$	10.7	$	11.5
Cash paid for interest, net of capitalized interest	$	9.9	$	9.9
Non-cash interest expense	$	1.4	$	1.6

Covenant Compliance

The Company was compliant with all relevant covenants under its debt and other finance agreements at March 31, 2026.

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Pension and Postretirement Benefit Costs

3 Months Ended

Mar. 31, 2026

Retirement Benefits [Abstract]

Pension and Postretirement Benefit Costs

Pension and Postretirement Benefit Costs

The components of net periodic pension, postretirement benefit and workers’ compensation costs, excluding the service cost for benefits earned, are included in “Net periodic benefit credit, excluding service cost” in the unaudited condensed consolidated statements of operations.

The Company sponsors a qualified pension plan. Annual contributions to the qualified plan are made in accordance with minimum funding standards. Funding decisions also consider certain funded status thresholds defined by the Pension Protection Act of 2006. As of March 31, 2026, the qualified plan was expected to be at or above the Pension Protection Act thresholds. The Company expects to contribute $2.0 million to the qualified plan in 2026 to maintain these thresholds and meet minimum funding requirements.

Net periodic postretirement benefit credit included the following components:

	Three Months Ended March 31,
	2026		2025
	(Dollars in millions)
Service cost for benefits earned	$	—	$	0.1
Interest cost on accumulated postretirement benefit obligation	1.6		2.0
Expected return on plan assets	—		(0.1)
Amortization of prior service credit	(2.8)		(10.2)
Net periodic postretirement benefit credit	$	(1.2)	$	(8.2)

The Company has established a Voluntary Employees’ Beneficiary Association (VEBA) trust to pre-fund a portion of benefits for non-represented retirees. The Company does not expect to make any discretionary contributions to the VEBA trust in 2026 and plans to utilize a portion of VEBA assets to make certain benefit payments.

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Earnings per Share (EPS)

3 Months Ended

Mar. 31, 2026

Earnings Per Share [Abstract]

Earnings per Share (EPS)

Earnings per Share (EPS)

Basic EPS is computed based on the weighted average number of shares of common stock outstanding during the period. Diluted EPS is computed based on the weighted average number of shares of common stock plus the effect of dilutive potential common shares outstanding. As such, the Company includes the 2028 Convertible Notes and share-based compensation awards in its potentially dilutive securities. Generally, dilutive securities are not included in the computation of loss per share when a company reports a net loss from continuing operations as the impact would be anti-dilutive.

For all but performance units, the potentially dilutive impact of the Company’s share-based compensation awards is determined using the treasury stock method. Under the treasury stock method, awards are treated as if they had been exercised with any proceeds used to repurchase common stock at the average market price during the period. Any incremental difference between the assumed number of shares issued and purchased is included in the diluted share computation. For performance units, their contingent features result in an assessment for any potentially dilutive common stock by using the end of the reporting period as if it were the end of the contingency period for all units granted.

A conversion of the 2028 Convertible Notes may result in payment in the Company’s common stock. For diluted EPS purposes, the potentially dilutive common stock is assumed to have been converted at the beginning of the period (or at the time of issuance, if later). In periods where the potentially dilutive common stock is included in the computation of diluted EPS, the numerator will be adjusted to add back tax adjusted interest expense, which includes the amortization of debt issuance costs, related to the convertible debt. The computation of diluted EPS excluded 16.8 million shares related to the 2028 Convertible Notes for the three months ended March 31, 2026, because their inclusion would have been anti-dilutive for those periods.

The computation of diluted EPS also excluded aggregate share-based compensation awards of 1.3 million shares and 0.3 million shares for the three months ended March 31, 2026 and 2025, respectively, because to do so would have been anti-dilutive for those periods. Because the potential dilutive impact of such share-based compensation awards is calculated under the treasury stock method, anti-dilution generally occurs when the exercise prices or unrecognized compensation cost per share of such awards are higher than the Company’s average stock price during the applicable period. Anti-dilution also occurs when a company reports a net loss from continuing operations, and the dilutive impact of all share-based compensation awards are excluded accordingly.

The following illustrates the earnings allocation method utilized in the calculation of basic and diluted EPS.

	Three Months Ended March 31,
	2026		2025
	(In millions, except per share data)
Basic EPS numerator:
(Loss) income from continuing operations, net of income taxes	$	(25.4)	$	38.3
Less: Net income attributable to noncontrolling interests	6.8		3.6
(Loss) income from continuing operations attributable to common stockholders	(32.2)		34.7
Loss from discontinued operations, net of income taxes	(0.2)		(0.3)
Net (loss) income attributable to common stockholders	$	(32.4)	$	34.4
Diluted EPS numerator:
(Loss) income from continuing operations, net of income taxes	$	(25.4)	$	38.3
Add: Tax adjusted interest expense related to 2028 Convertible Notes	—		3.1
Less: Net income attributable to noncontrolling interests	6.8		3.6
(Loss) income from continuing operations attributable to common stockholders	(32.2)		37.8
Loss from discontinued operations, net of income taxes	(0.2)		(0.3)
Net (loss) income attributable to common stockholders	$	(32.4)	$	37.5
EPS denominator:
Weighted average shares outstanding — basic	122.0		121.7
Dilutive impact of share-based compensation awards	—		0.6
Dilutive impact of 2028 Convertible Notes	—		16.4
Weighted average shares outstanding — diluted	122.0		138.7
Basic EPS attributable to common stockholders:
(Loss) income from continuing operations	$	(0.26)	$	0.29
Loss from discontinued operations	(0.01)		(0.01)
Net (loss) income attributable to common stockholders	$	(0.27)	$	0.28
Diluted EPS attributable to common stockholders:
(Loss) income from continuing operations	$	(0.26)	$	0.27
Loss from discontinued operations	(0.01)		—
Net (loss) income attributable to common stockholders	$	(0.27)	$	0.27

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Financial Instruments and Other Guarantees

3 Months Ended

Mar. 31, 2026

Guarantees and Product Warranties [Abstract]

Financial Instruments and Other Guarantees

Financial Instruments and Other Guarantees

In the normal course of business, the Company is a party to various guarantees and financial instruments that carry off-balance-sheet risk and are not reflected in the accompanying condensed consolidated balance sheets. Such financial instruments provide support for the Company’s reclamation bonding requirements, lease obligations, insurance policies and various other performance guarantees. The Company periodically evaluates the instruments for on-balance-sheet treatment based on the amount of exposure under the instrument and the likelihood of required performance. The Company does not expect any material losses to result from these guarantees or off-balance-sheet instruments in excess of liabilities provided for in the accompanying condensed consolidated balance sheets.

The following table summarizes the Company’s financial instruments that carry off-balance-sheet risk.

	March 31, 2026
	Reclamation Support		Other Support (1)		Total
	(Dollars in millions)
Surety bonds	$	937.5	$	82.1	$	1,019.6
Letters of credit (2)	53.5		61.7		115.2
	991.0		143.8		1,134.8
Less: Letters of credit in support of surety bonds (3)	(53.5)		(1.7)		(55.2)
Obligations supported, net	$	937.5	$	142.1	$	1,079.6

(1)    Instruments support obligations related to leases, health care plans, workers’ compensation, property and casualty insurance, customer and vendor contracts and certain restoration ancillary to prior mining activities.

(2)    Amounts do not include cash-collateralized letters of credit.

(3)    Certain letters of credit serve as collateral for surety bonds at the request of surety bond providers.

Surety Agreement Amendment and Collateral Requirements

In April 2023, the Company amended its existing agreement with the providers of its surety bond portfolio, dated November 6, 2020. Under the April 2023 amendment, the Company and its surety providers agreed to a maximum aggregate collateral amount based upon bonding levels which will vary prospectively as bonding levels increase or decrease. The amendment also extended the agreement through December 31, 2026. In order to maintain the maximum collateral agreement, the Company must remain compliant with a minimum liquidity test and a maximum net leverage ratio, as measured each quarter. The minimum liquidity test requires the Company to maintain liquidity at the greater of $400 million or the difference between the penal sum of all surety bonds included within the surety bond portfolio and the amount of collateral posted in favor of surety providers, which was $479.0 million at March 31, 2026. The Company must also maintain a maximum net leverage ratio of 1.5 to 1.0, where the numerator consists of its funded debt, net of cash, and the denominator consists of its Adjusted EBITDA for the trailing twelve months. For purposes of calculating the ratio, only 50% of the outstanding principal amount of the Company’s 2028 Convertible Notes is deemed to be funded debt. The Company’s ability to pay dividends and make share repurchases is also subject to the quarterly minimum liquidity test. The Company is in compliance with such requirements at March 31, 2026.

At March 31, 2026, the Company’s maximum aggregate collateral amount was $504.1 million, which was comprised of $377.7 million in trust accounts and letters of credit of $126.4 million held for the benefit of certain surety providers.

Accounts Receivable Securitization

In 2017, the Company entered into the Sixth Amended and Restated Receivables Purchase Agreement, as amended from time to time. The receivables securitization program authorized under the agreement (Securitization Program) is subject to customary events of default. The Securitization Program provides up to $225.0 million of funding capacity which is accounted for as a secured borrowing, limited to the availability of eligible receivables, and may be secured by a combination of collateral and the trade receivables underlying the program. Funding capacity under the Securitization Program may also be utilized for letters of credit in support of other obligations, which has been the Company’s primary utilization. The accounts receivable securitization program was amended in January 2025 to extend its maturity to January 2028. The Company capitalized $1.8 million of debt issuance costs related to the amendment.

Borrowings under the Securitization Program bear interest at SOFR plus 2.1% per annum and remain outstanding throughout the term of the agreement, subject to the Company maintaining sufficient eligible receivables.

At March 31, 2026, the Company had no outstanding borrowings and $66.0 million of letters of credit outstanding under the Securitization Program. Availability under the Securitization Program, which is adjusted for certain ineligible receivables, was $104.9 million at March 31, 2026. The Company was not required to post cash collateral under the Securitization Program at March 31, 2026.

The Company incurred interest and fees associated with the Securitization Program of $0.6 million during the three months ended March 31, 2026 and 2025, which have been recorded as “Interest expense, net of capitalized interest” in the accompanying unaudited condensed consolidated statements of operations.

Credit Support Facilities

In February 2022, the Company entered into an agreement which provides up to $250.0 million of capacity for irrevocable standby letters of credit, primarily to support reclamation bonding requirements. Outstanding letters of credit bear a fixed fee in the amount of 0.75% per annum. The Company receives a variable deposit rate on the amount of cash collateral posted in support of letters of credit. The agreement was amended on November 3, 2025, to (i) extend the expiration date to December 31, 2030 and (ii) reduce the required minimum cash collateral amount to 102% of the aggregate amount of letters of credit outstanding under the agreement, provided that in the event the Company’s credit rating falls below certain thresholds, the minimum collateral amount shall increase to 103%. At March 31, 2026, letters of credit of $78.1 million were outstanding under the agreement.

In December 2023, the Company established cash-backed bank guarantee facilities, primarily to support Australian reclamation bonding requirements. At March 31, 2026, guarantees of $218.5 million were issued for which the Company receives a variable deposit rate on the amount of cash collateral posted in support of the facilities, which mature at various dates between 2026 and 2030.

Restricted Cash and Collateral

The following table summarizes the Company’s “Restricted cash and collateral” in the accompanying condensed consolidated balance sheets. Restricted cash balances are held in controlled accounts with minimum balance requirements; withdrawals are subject to the approval of account beneficiaries, such as the Company’s surety providers, who have perfected security interests in the funds. The Company’s other cash collateral generally includes deposits held by regulatory authorities or financial institutions over which the Company has no control or ability to access. Portions of the restricted cash balances and deposits are held in accounts denominated in Australian dollars.

	March 31, 2026		December 31, 2025
	(Dollars in millions)
Restricted cash (1)
Surety trust accounts (2)	$	377.7	$	383.6
Credit support facilities (2) (3)	298.2		325.6
	675.9		709.2
Other cash collateral (1)
Deposits with regulatory authorities for reclamation and other obligations (3)	135.4		134.9
Restricted cash and collateral	$	811.3	$	844.1

(1)    Restricted cash balances are combined with unrestricted cash and cash equivalents in the accompanying unaudited condensed consolidated statements of cash flows; changes between unrestricted cash and cash equivalents and restricted cash balances are thus not reflected in the operating, investing or financing activities therein. Changes in other cash collateral balances are reflected as operating activities therein.

(2)    Surety trust accounts, the funding for collateralized letters of credit and cash supporting the bank guarantee facilities are comprised of highly liquid investments with original maturities of three months or less; interest and other earnings on such funds accrue to the Company.

(3)    At March 31, 2026, the Australian dollar denominated balances supporting the bank guarantee facilities and the deposits with regulatory authorities were $319 million and $198 million, respectively. At December 31, 2025, the Australian dollar denominated balances supporting the bank guarantee facilities and the deposits with regulatory authorities were $312 million and $201 million, respectively.

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Commitments and Contingencies

3 Months Ended

Mar. 31, 2026

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

Commitments

Unconditional Purchase Obligations

As of March 31, 2026, purchase commitments for capital expenditures were $51.9 million, all of which is obligated within the next 12 months.

There were no other material changes to the Company’s commitments from the information provided in Note 20. “Commitments and Contingencies” to the consolidated financial statements in the Company’s Annual Report on Form 10-K for the year ended December 31, 2025.

Contingencies

From time to time, the Company or its subsidiaries are involved in legal proceedings arising in the ordinary course of business or related to indemnities or historical operations. The Company believes it has recorded adequate reserves for these liabilities. The Company discusses its significant legal proceedings below, including ongoing proceedings and those that impacted the Company’s consolidated results of operations for the periods presented.

Litigation and Matters Relating to Continuing Operations

Arbitration Relating to Terminated Anglo American plc (Anglo) Acquisition. On November 25, 2024, Peabody entered into definitive agreements (the Purchase Agreements) to acquire from Anglo a portion of the assets and businesses associated with Anglo’s metallurgical coal portfolio in Australia, including Anglo’s interests in the Moranbah North and Grosvenor mines, the Moranbah South development project, the Capcoal complex, the Roper Creek mine and the Dawson complex (comprising the Dawson Main/Central operating mine, the Dawson South operating mine, the Dawson South Exploration project and the Theodore South exploration project, collectively, the Dawson Assets). The Company agreed to, following the prospective closing of the Anglo acquisition, sell the Dawson Assets to Pt Bukit Makmur Mandiri Utama or one of its subsidiaries (BUMA).

On August 19, 2025, Peabody terminated the Purchase Agreements. The termination of the Purchase Agreements followed Peabody’s prior delivery of a notice of a Material Adverse Change (MAC) as a result of an ignition event at the Moranbah North mine on March 31, 2025, which had led to the closure of the mine. Following Peabody’s termination of the Purchase Agreements, Anglo returned $29.0 million of the $75.0 million deposit previously paid by Peabody, and Peabody has demanded the outstanding portion of the deposit also be returned.

On September 23, 2025, various subsidiaries of Anglo initiated International Chamber of Commerce arbitration proceedings in London, United Kingdom, against Peabody and certain of its affiliates. Anglo’s complaint alleges, among other things, that Peabody wrongfully terminated the Purchase Agreements and seeks, among other things, declarations that the ignition event at the Moranbah North mine did not constitute a MAC, as well as damages for losses in an unspecified amount, plus costs and interest. Peabody remains confident that a MAC occurred, and that it was entitled to terminate the Purchase Agreements.

Other

At times, the Company becomes a party to other disputes, including those related to contract miner performance, claims, lawsuits, arbitration proceedings, regulatory investigations and administrative procedures in the ordinary course of business in the U.S., Australia and other countries where the Company does business. Based on current information, the Company believes that such other pending or threatened proceedings are likely to be resolved without a material adverse effect on its consolidated financial condition, results of operations or cash flows. The Company reassesses the probability and the ability to estimate contingent losses as new information becomes available.

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Segment Information

3 Months Ended

Mar. 31, 2026

Segment Reporting [Abstract]

Segment Information

Segment Information

The Company reports its results of operations primarily through the following reportable segments: Seaborne Thermal, Seaborne Metallurgical, Powder River Basin and Other U.S. Thermal.

The Company’s chief operating decision maker (CODM), defined as the President and Chief Executive Officer, uses Adjusted EBITDA as the primary financial metric to measure each segment’s operating performance against expected results and to allocate resources, including capital investment in mining operations and potential expansions. Adjusted EBITDA is a non-GAAP financial measure defined as (loss) income from continuing operations before deducting net interest expense, income taxes, asset retirement obligation expenses and depreciation, depletion and amortization. Adjusted EBITDA is also adjusted for the discrete items that management excluded in analyzing the reportable segments’ operating performance, as displayed in the reconciliations below. Management believes this non-GAAP measure is used by investors to measure the Company’s operating performance. Adjusted EBITDA is not intended to serve as an alternative to U.S. GAAP measures of performance and may not be comparable to similarly-titled measures presented by other companies.

Reportable segment results were as follows:

	Three Months Ended March 31, 2026
	Seaborne Thermal		Seaborne Metallurgical		Powder River Basin		Other U.S. Thermal		Reportable Segment Totals
	(Dollars in millions)
Revenue	$	197.5	$	283.0	$	289.5	$	184.5	$	954.5
Less Significant Segment Expenses:
Labor costs	35.7		71.2		60.1		51.3
Repair costs	29.4		64.5		36.6		32.4
Outside services	23.2		101.6		38.3		32.7
Commodities expense	21.1		13.2		50.9		22.9
Sales related costs	39.5		69.0		63.8		11.9
Other expenses (1)	0.1		(29.5)		16.1		(4.5)
Adjusted EBITDA	48.5		(7.0)		23.7		37.8		103.0
Additions to property, plant, equipment and mine development	8.6		55.0		15.4		5.2		84.2

	Three Months Ended March 31, 2025
	Seaborne Thermal		Seaborne Metallurgical		Powder River Basin		Other U.S. Thermal		Reportable Segment Totals
	(Dollars in millions)
Revenue	$	265.1	$	220.1	$	275.6	$	168.7	$	929.5
Less Significant Segment Expenses:
Labor costs	35.1		55.0		49.8		50.2
Repair costs	24.8		47.0		31.5		34.1
Outside services	26.8		72.1		31.1		35.8
Commodities expense	19.1		13.4		38.7		19.5
Sales related costs	54.6		54.0		75.3		10.0
Other expenses (1)	20.5		(34.6)		12.9		(13.8)
Adjusted EBITDA	84.2		13.2		36.3		32.9		166.6
Additions to property, plant, equipment and mine development	8.5		53.2		3.9		4.6		70.2

(1)    Other expenses primarily include lease expense, non-sales related taxes, insurance expense and joint facility charges; offset by credits related to the capitalization of costs to the condensed consolidated balance sheet.

Total assets are reflected at the division level only for the Company’s reportable segments and are not allocated between each individual reportable segment as such information is not regularly reviewed by the Company’s CODM. Further, some assets service more than one reportable segment within the division and an allocation of such assets would not be meaningful or representative on a reportable segment by reportable segment basis. Assets related to closed, suspended or otherwise inactive mines are included within the Corporate and Other category.

The following table presents total assets at the division level:

	March 31, 2026		December 31, 2025
	(Dollars in millions)
Seaborne	$	2,537.4	$	2,543.4
U.S. Thermal	1,318.1		1,301.7
Corporate and Other	1,854.5		1,962.1
Total assets	$	5,710.0	$	5,807.2

A reconciliation of reportable segment totals follows:

	Three Months Ended March 31,
	2026		2025
	(Dollars in millions)
Revenue from reportable segments	$	954.5	$	929.5
Reconciling items
Corporate and Other	18.8		7.5
Revenue	$	973.3	$	937.0
Adjusted EBITDA from reportable segments	$	103.0	$	166.6
Reconciling items
Corporate and Other (1)	(20.5)		(22.6)
Depreciation, depletion and amortization	(109.5)		(92.1)
Asset retirement obligation expenses	(13.6)		(13.6)
Restructuring charges	(1.1)		(1.7)
Costs related to terminated acquisition	(3.0)		(2.4)
Changes in amortization of basis difference related to equity affiliates	0.6		0.6
Interest expense, net of capitalized interest	(10.7)		(11.5)
Interest income	13.1		15.4
Unrealized gains on foreign currency option contracts	0.3		4.3
Take-or-pay contract-based intangible recognition	—		0.2
(Loss) income from continuing operations before incomes taxes	$	(41.4)	$	43.2
Additions to property, plant, equipment and mine development from reportable segments	$	84.2	$	70.2
Reconciling items
Corporate and Other	1.2		0.2
Additions to property, plant, equipment and mine development	$	85.4	$	70.4

(1)    Corporate and Other includes selling and administrative expenses, results from equity method investments, trading and brokerage activities, minimum charges on certain transportation-related contracts, the closure of inactive mining sites, the impact of foreign currency remeasurement and certain commercial matters.

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Insider Trading Arrangements - shares

3 Months Ended

Feb. 23, 2026

Feb. 10, 2026

Mar. 31, 2026

Trading Arrangements, by Individual

Material Terms of Trading Arrangement

Item 5. Other Information.

Securities Trading Plans of Directors and Executive Officers

On February 10, 2026, James C. Grech, President & Chief Executive Officer and a member of the Company’s Board of Directors, adopted a Rule 10b5-1 trading arrangement (as such term is defined in Item 408 of Regulation S-K), which is designed to be in effect until December 31, 2027, subject to customary exceptions. Mr. Grech’s Rule 10b5-1 trading arrangement calls for the sale of up to 54,500 shares, subject to certain conditions.

On February 23, 2026, Scott T. Jarboe, Chief Administrative Officer and Corporate Secretary, adopted a Rule 10b5-1 trading arrangement (as such term is defined in Item 408 of Regulation S-K), which is designed to be in effect until January 31, 2028, subject to customary exceptions. Mr. Jarboe’s Rule 10b5-1 trading arrangement calls for potential sales of a percentage of shares that he could receive upon the future vesting of certain outstanding equity awards, net of any shares withheld by Peabody to satisfy applicable taxes. The number of shares to be withheld, and thus the exact maximum number of shares to be sold pursuant to Mr. Jarboe’s Rule 10b5-1 trading arrangement, can only be determined upon the occurrence of the future vesting events. For purposes of this disclosure, without subtracting any shares to be withheld upon future vesting events, the maximum aggregate number of shares to be sold pursuant to Mr. Jarboe’s Rule 10b5-1 trading arrangement is 45,545.

Except as set forth above, during the three months ended March 31, 2026, none of Peabody’s directors or officers adopted or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as these terms are defined in Item 408 of Regulation S-K of the Exchange Act.

Rule 10b5-1 Arrangement Adopted

false

Non-Rule 10b5-1 Arrangement Adopted

false

Rule 10b5-1 Arrangement Terminated

false

Non-Rule 10b5-1 Arrangement Terminated

false

James C. Grech [Member]

Trading Arrangements, by Individual

Name

James C. Grech

Title

President & Chief Executive Officer

Rule 10b5-1 Arrangement Adopted

true

Adoption Date

February 10, 2026

Aggregate Available

54,500

Scott T. Jarboe [Member]

Trading Arrangements, by Individual

Name

Scott T. Jarboe

Title

Chief Administrative Officer and Corporate Secretary

Rule 10b5-1 Arrangement Adopted

true

Adoption Date

February 23, 2026

Aggregate Available

45,545

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Derivative Instruments and Hedging Activities (Policies)	3 Months Ended
	Mar. 31, 2026
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Fair Value, Assets, Transfers Between Levels	The Company’s policy is to value all transfers between levels using the beginning of period valuation.

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Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2026

Revenue Recognition [Abstract]

Disaggregation of Revenue

With respect to its seaborne reportable segments, the Company classifies as “Export” certain revenue from domestically-delivered coal under contracts in which the price is derived on a basis similar to export contracts.

	Three Months Ended March 31, 2026
	Seaborne Thermal		Seaborne Metallurgical		Powder River Basin		Other U.S. Thermal		Corporate and Other (1)		Consolidated
	(Dollars in millions)
Thermal coal
Domestic	$	35.5	$	—	$	289.5	$	184.5	$	—	$	509.5
Export	161.8		—		—		—		—		161.8
Total thermal	197.3		—		289.5		184.5		—		671.3
Metallurgical coal
Export	—		282.3		—		—		—		282.3
Total metallurgical	—		282.3		—		—		—		282.3
Other	0.2		0.7		—		—		18.8		19.7
Revenue	$	197.5	$	283.0	$	289.5	$	184.5	$	18.8	$	973.3

	Three Months Ended March 31, 2025
	Seaborne Thermal		Seaborne Metallurgical		Powder River Basin		Other U.S. Thermal		Corporate and Other (1)		Consolidated
	(Dollars in millions)
Thermal coal
Domestic	$	37.7	$	—	$	275.5	$	168.7	$	—	$	481.9
Export	227.3		—		—		—		—		227.3
Total thermal	265.0		—		275.5		168.7		—		709.2
Metallurgical coal
Export	—		219.7		—		—		—		219.7
Total metallurgical	—		219.7		—		—		—		219.7
Other	0.1		0.4		0.1		—		7.5		8.1
Revenue	$	265.1	$	220.1	$	275.6	$	168.7	$	7.5	$	937.0

(1)    Corporate and Other includes the following:

	Three Months Ended March 31,
	2026		2025
	(Dollars in millions)
Revenue from physical sale of coal (2)	$	13.7	$	4.0
Other	5.1		3.5
Total Corporate and Other	$	18.8	$	7.5

(2)    Includes revenue recognized upon the physical sale of coal purchased from the Company’s reportable segments and sold to customers through the Company’s coal trading business. Primarily represents the difference between the price contracted with the customer and the price allocated to the reportable segment.

Schedule of Accounts Receivable

“Accounts receivable, net” at March 31, 2026 and December 31, 2025 consisted of the following:

	March 31, 2026		December 31, 2025
	(Dollars in millions)
Trade receivables, net	$	254.1	$	267.0
Miscellaneous receivables, net	55.4		47.9
Accounts receivable, net	$	309.5	$	314.9

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Inventories (Tables)

3 Months Ended

Mar. 31, 2026

Inventory Disclosure [Abstract]

Schedule of Inventories

“Inventories, net” as of March 31, 2026 and December 31, 2025 consisted of the following:

	March 31, 2026		December 31, 2025
	(Dollars in millions)
Materials and supplies, net	$	172.5	$	161.6
Saleable coal	154.2		126.0
Raw coal	78.8		95.6
Inventories, net	$	405.5	$	383.2

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Equity Method Investments (Tables)

3 Months Ended

Mar. 31, 2026

Equity Method Investments and Joint Ventures [Abstract]

Equity Method Investments

The table below summarizes the book value of those investments, which are reported in “Investments and other assets” in the condensed consolidated balance sheets, and the related “Loss from equity affiliates” in the unaudited condensed consolidated statements of operations:

					Loss from Equity Affiliates
	Book Value at				Three Months Ended March 31,
	March 31, 2026		December 31, 2025		2026		2025
	(Dollars in millions)
Equity method investment related to Middlemount	$	44.0	$	47.5	$	4.5	$	6.3
Other equity method investments	—		—		1.2		0.4
Total equity method investments	$	44.0	$	47.5	$	5.7	$	6.7

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Derivatives and Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2026

Fair Value Disclosures [Abstract]

Derivative Instruments, Gain (Loss)

The tables below show the amounts of pretax gains and losses related to the Company’s derivatives and their classification within the accompanying unaudited condensed consolidated statements of operations.

		Three Months Ended March 31, 2026
		Total gain recognized in income		Gain realized in income on derivatives		Unrealized gain recognized in income on derivatives
Derivative Instrument	Classification
		(Dollars in millions)
Foreign currency option contracts	Operating costs and expenses	$	0.6	$	0.3	$	0.3
Total		$	0.6	$	0.3	$	0.3
		Three Months Ended March 31, 2025
		Total gain recognized in income		Loss realized in income on derivatives		Unrealized gain recognized in income on derivatives
Derivative Instrument	Classification
		(Dollars in millions)
Foreign currency option contracts	Operating costs and expenses	$	3.6	$	(0.7)	$	4.3
Total		$	3.6	$	(0.7)	$	4.3

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The following tables set forth the hierarchy of the Company’s net asset positions for which fair value is measured on a recurring basis.

	March 31, 2026
	Level 1		Level 2		Level 3		Total
	(Dollars in millions)
Foreign currency option contracts	$	—	$	3.0	$	—	$	3.0
Total net assets	$	—	$	3.0	$	—	$	3.0
	December 31, 2025
	Level 1		Level 2		Level 3		Total
	(Dollars in millions)
Foreign currency option contracts	$	—	$	2.7	$	—	$	2.7
Total net assets	$	—	$	2.7	$	—	$	2.7

Carrying Amounts And Estimated Fair Values Of Companys Debt

The fair value of debt, shown below, is principally based on reported market values and estimates based on interest rates, maturities, credit risk, underlying collateral and completed market transactions.

	March 31, 2026		December 31, 2025
	(Dollars in millions)
Total debt at par value	$	339.1	$	340.8
Less: Unamortized debt issuance costs	(3.9)		(4.4)
Net carrying amount	$	335.2	$	336.4
Estimated fair value	$	605.8	$	557.8

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Property, Plant, Equipment and Mine Development (Tables)

3 Months Ended

Mar. 31, 2026

Property, Plant, and Equipment [Abstract]

Schedule of Property, Plant, Equipment and Mine Development

The composition of property, plant, equipment and mine development, net, as of March 31, 2026 and December 31, 2025 is set forth in the table below:

	March 31, 2026		December 31, 2025
	(Dollars in millions)
Land and coal interests	$	2,689.3	$	2,691.2
Buildings and improvements	760.5		758.8
Machinery and equipment	2,405.9		2,377.1
Less: Accumulated depreciation, depletion and amortization	(2,725.8)		(2,673.8)
Property, plant, equipment and mine development, net	$	3,129.9	$	3,153.3

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Long-term Debt (Tables)

3 Months Ended

Mar. 31, 2026

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

The Company’s total indebtedness as of March 31, 2026 and December 31, 2025 consisted of the following:

Debt Instrument (defined below, as applicable)	March 31, 2026		December 31, 2025
	(Dollars in millions)
3.250% Convertible Senior Notes due March 2028 (2028 Convertible Notes)	$	320.0	$	320.0
Finance lease obligations	19.1		20.8
Less: Debt issuance costs	(3.9)		(4.4)
	335.2		336.4
Less: Current portion of long-term debt	14.3		15.2
Long-term debt	$	320.9	$	321.2

Schedule of Interest Charges

Additionally, the table sets forth the amount of cash paid for interest, net of capitalized interest and the amount of non-cash interest expense primarily related to the amortization of debt issuance costs.