# EDGAR Filing Document

**Accession Number:** 0001710366
**File Stem:** 0001710366-25-000021
**Filing Date:** 2025-9
**Character Count:** 48655
**Document Hash:** c2e4d664b22d3da9591bd7bbd2096abf
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001710366-25-000021.hdr.sgml**: 20250917

**ACCESSION NUMBER**: 0001710366-25-000021

**CONFORMED SUBMISSION TYPE**: SD

**PUBLIC DOCUMENT COUNT**: 13

**FILED AS OF DATE**: 20250917

**DATE AS OF CHANGE**: 20250917

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Core Natural Resources, Inc.
- **CENTRAL INDEX KEY:** 0001710366
- **STANDARD INDUSTRIAL CLASSIFICATION:** BITUMINOUS COAL & LIGNITE MINING [1220]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DC
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SD
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38147
- **FILM NUMBER:** 251319664

**BUSINESS ADDRESS:**
- **STREET 1:** 275 TECHNOLOGY DRIVE
- **STREET 2:** SUITE #101
- **CITY:** CANONSBURG
- **STATE:** PA
- **ZIP:** 15317
- **BUSINESS PHONE:** 724-416-8300

**MAIL ADDRESS:**
- **STREET 1:** 275 TECHNOLOGY DRIVE
- **STREET 2:** SUITE #101
- **CITY:** CANONSBURG
- **STATE:** PA
- **ZIP:** 15317

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** CONSOL Energy Inc.
- **DATE OF NAME CHANGE:** 20171128

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** CONSOL Mining Corp
- **DATE OF NAME CHANGE:** 20170626

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549** 

**FORM SD**

**SPECIALIZED DISCLOSURE REPORT**

**Core Natural Resources, Inc.**

**(Exact name of the registrant as specified in its charter)**

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp;&nbsp;**Delaware** | &nbsp;&nbsp;&nbsp;&nbsp;**001-38147** | &nbsp;&nbsp;&nbsp;&nbsp;**82-1954058** |
| &nbsp;&nbsp;&nbsp;&nbsp;**(State or other jurisdiction**<br>**of incorporation or organization)** | &nbsp;&nbsp;&nbsp;&nbsp;**(Commission File Number)** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**(IRS Employer**<br>**Identification No.)** |

---

**275 Technology Drive, Suite 101**

**Canonsburg, Pennsylvania 15317** 

**(Address of principal executive offices and zip code)**

**Miteshkumar B. Thakkar**

**Chief Financial Officer and President**

**(724) 416-8300** 

**(Name and telephone number, including area code, of the person to contact in connection with this report.)**

Check the appropriate box to indicate the rule pursuant to which this Form is being submitted, and provide the period to which the information in this Form applies:

☐ Rule 13p-1 under the Securities Exchange Act (17 CFR 240.13p-1) for the reporting period from January 1 to December 31, _____.

☒ Rule 13q-1 under the Securities Exchange Act (17 CFR 240.13q-1) for the fiscal year ended December 31, 2024.

------

**Section 2 - Resource Extraction Issuer Disclosure**

**Item 2.01&nbsp;&nbsp;&nbsp;&nbsp;Resource Extraction Issuer Disclosure and Report**

**Disclosure of Payments by Resource Extraction Issuers**

The specified payment disclosure required by this Form is included as Exhibit 2.01 to this Specialized Disclosure Report on Form SD.

**Section 3 - Exhibits**

**Item 3.01 &nbsp;&nbsp;&nbsp;&nbsp;Exhibits**

Exhibit 2.01&nbsp;&nbsp;&nbsp;&nbsp;Interactive Data File (Form SD for the year ended December 31, 2024 filed in XBRL)

Exhibit 99.1&nbsp;&nbsp;&nbsp;&nbsp;<u>[Resource Extraction Payment Report as required by Item 2.01 of this Form](ceix-20241231.htm)</u>

------

**SIGNATURES**

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

---

| | |
|:---|:---|
| &nbsp;&nbsp;&nbsp;&nbsp;**Core Natural Resources, Inc.** | &nbsp;&nbsp;&nbsp;&nbsp;**Core Natural Resources, Inc.** |
| &nbsp;&nbsp;&nbsp;&nbsp;**(Registrant)** | &nbsp;&nbsp;&nbsp;&nbsp;**(Registrant)** |
| &nbsp;&nbsp;&nbsp;&nbsp;By: | /s/ MITESHKUMAR B. THAKKAR |
|  | &nbsp;&nbsp;&nbsp;&nbsp;Miteshkumar B. Thakkar |
|  | &nbsp;&nbsp;&nbsp;&nbsp;Chief Financial Officer and President |

---

Date: September 17, 2025

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  <rxp:R id="f-47" contextRef="c-7">ceix:CoalMember</rxp:R>
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  <rxp:Sg id="f-49" contextRef="c-7">ceix:PennsylvaniaMiningComplexPAMCMember</rxp:Sg>
  <rxp:A id="f-50" contextRef="c-8" decimals="-3" unitRef="usd">255000</rxp:A>
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  <rxp:Co id="f-52" contextRef="c-8">country:US</rxp:Co>
  <rxp:Sn id="f-53" contextRef="c-8">snj:US-PA</rxp:Sn>
  <rxp:Gv id="f-54" contextRef="c-8">ceix:U.S.FederalGovernmentMember</rxp:Gv>
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  <rxp:R id="f-56" contextRef="c-8">ceix:CoalMember</rxp:R>
  <rxp:M id="f-57" contextRef="c-8">Underground Mining</rxp:M>
  <rxp:Sg id="f-58" contextRef="c-8">ceix:PennsylvaniaMiningComplexPAMCMember</rxp:Sg>
  <rxp:A id="f-59" contextRef="c-9" decimals="-3" unitRef="usd">184000</rxp:A>
  <rxp:P id="f-60" contextRef="c-9">rxp:Taxes</rxp:P>
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  <rxp:Pr id="f-64" contextRef="c-9">ceix:IMCWVCoalUndergroundMiningMember</rxp:Pr>
  <rxp:R id="f-65" contextRef="c-9">ceix:CoalMember</rxp:R>
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  <rxp:R id="f-74" contextRef="c-10">ceix:CoalMember</rxp:R>
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  <rxp:Sg id="f-120" contextRef="c-16">ceix:CorporateAndOtherMember</rxp:Sg>
  <rxp:A id="f-121" contextRef="c-17" decimals="-3" unitRef="usd">269000</rxp:A>
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  <rxp:Gv id="f-124" contextRef="c-17">ceix:U.S.FederalGovernmentMember</rxp:Gv>
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  <rxp:Sg id="f-127" contextRef="c-17">ceix:CorporateAndOtherMember</rxp:Sg>
  <rxp:A id="f-128" contextRef="c-18" decimals="-3" unitRef="usd">316000</rxp:A>
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  <rxp:Gv id="f-131" contextRef="c-18">ceix:U.S.FederalGovernmentMember</rxp:Gv>
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  <rxp:M id="f-133" contextRef="c-19">Underground Mining</rxp:M>
  <rxp:Sg id="f-134" contextRef="c-18">ceix:CorporateAndOtherMember</rxp:Sg>
  <rxp:A id="f-135" contextRef="c-19" decimals="-3" unitRef="usd">34000</rxp:A>
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  <rxp:Co id="f-137" contextRef="c-19">country:US</rxp:Co>
  <rxp:Gv id="f-138" contextRef="c-19">ceix:U.S.FederalGovernmentMember</rxp:Gv>
  <rxp:R id="f-139" contextRef="c-19">ceix:OtherMember</rxp:R>
  <rxp:M id="f-140" contextRef="c-20">Underground Mining</rxp:M>
  <rxp:Sg id="f-141" contextRef="c-19">ceix:CorporateAndOtherMember</rxp:Sg>
  <rxp:A id="f-142" contextRef="c-20" decimals="-3" unitRef="usd">963000</rxp:A>
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  <rxp:Gv id="f-145" contextRef="c-20">ceix:U.S.FederalGovernmentMember</rxp:Gv>
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  <rxp:M id="f-147" contextRef="c-21">Underground Mining</rxp:M>
  <rxp:Sg id="f-148" contextRef="c-20">ceix:CorporateAndOtherMember</rxp:Sg>
  <rxp:A id="f-149" contextRef="c-21" decimals="-3" unitRef="usd">813000</rxp:A>
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  <rxp:Gv id="f-152" contextRef="c-21">ceix:U.S.FederalGovernmentMember</rxp:Gv>
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  <rxp:M id="f-154" contextRef="c-13">Underground Mining</rxp:M>
  <rxp:Sg id="f-155" contextRef="c-21">ceix:CorporateAndOtherMember</rxp:Sg>
</xbrli:xbrl>
</XBRL>

```

## Exhibit 2.01

```

<XBRL>
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          <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_rxp_AllSegmentsMember" xlink:to="loc_ceix_ItmannMiningComplexIMCMember_d3a521f9-d322-4ef8-bc96-cc467a616ff9" xlink:type="arc" order="2"/>
          <link:loc xlink:type="locator" xlink:label="loc_ceix_CorporateAndOtherMember_8b4f4d4c-7f4b-4bca-ae81-3433488e4276" xlink:href="ceix-20241231.xsd#ceix_CorporateAndOtherMember"/>
          <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_rxp_AllSegmentsMember" xlink:to="loc_ceix_CorporateAndOtherMember_8b4f4d4c-7f4b-4bca-ae81-3433488e4276" xlink:type="arc" order="3"/>
        </link:definitionLink>
        <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel"/>
        <link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel"/>
        <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel"/>
        <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel"/>
        <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel"/>
        <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel"/>
        <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel"/>
        <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
          <link:label id="lab_country_US_label_en-US" xlink:label="lab_country_US" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">UNITED STATES</link:label>
          <link:loc xlink:type="locator" xlink:label="loc_country_US" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_US"/>
          <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_US" xlink:to="lab_country_US" xlink:type="arc" order="1"/>
          <link:label id="lab_ceix_U.S.FederalGovernmentMember_label_en-US" xlink:label="lab_ceix_U.S.FederalGovernmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">U.S. Federal Government [Member]</link:label>
          <link:loc xlink:type="locator" xlink:label="loc_ceix_U.S.FederalGovernmentMember" xlink:href="ceix-20241231.xsd#ceix_U.S.FederalGovernmentMember"/>
          <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ceix_U.S.FederalGovernmentMember" xlink:to="lab_ceix_U.S.FederalGovernmentMember" xlink:type="arc" order="1"/>
          <link:label id="lab_ceix_IMCWVCoalUndergroundMiningMember_label_en-US" xlink:label="lab_ceix_IMCWVCoalUndergroundMiningMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">IMC WV/Coal/Underground Mining [Member]</link:label>
          <link:loc xlink:type="locator" xlink:label="loc_ceix_IMCWVCoalUndergroundMiningMember" xlink:href="ceix-20241231.xsd#ceix_IMCWVCoalUndergroundMiningMember"/>
          <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ceix_IMCWVCoalUndergroundMiningMember" xlink:to="lab_ceix_IMCWVCoalUndergroundMiningMember" xlink:type="arc" order="1"/>
          <link:label id="lab_ceix_PAMCPACoalUndergroundMiningMember_label_en-US" xlink:label="lab_ceix_PAMCPACoalUndergroundMiningMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">PAMC PA/Coal/Underground Mining [Member]</link:label>
          <link:loc xlink:type="locator" xlink:label="loc_ceix_PAMCPACoalUndergroundMiningMember" xlink:href="ceix-20241231.xsd#ceix_PAMCPACoalUndergroundMiningMember"/>
          <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ceix_PAMCPACoalUndergroundMiningMember" xlink:to="lab_ceix_PAMCPACoalUndergroundMiningMember" xlink:type="arc" order="1"/>
          <link:label id="lab_ceix_CoalMember_label_en-US" xlink:label="lab_ceix_CoalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Coal [Member]</link:label>
          <link:loc xlink:type="locator" xlink:label="loc_ceix_CoalMember" xlink:href="ceix-20241231.xsd#ceix_CoalMember"/>
          <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ceix_CoalMember" xlink:to="lab_ceix_CoalMember" xlink:type="arc" order="1"/>
          <link:label id="lab_ceix_PennsylvaniaMiningComplexPAMCMember_label_en-US" xlink:label="lab_ceix_PennsylvaniaMiningComplexPAMCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pennsylvania Mining Complex (PAMC) [Member]</link:label>
          <link:loc xlink:type="locator" xlink:label="loc_ceix_PennsylvaniaMiningComplexPAMCMember" xlink:href="ceix-20241231.xsd#ceix_PennsylvaniaMiningComplexPAMCMember"/>
          <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ceix_PennsylvaniaMiningComplexPAMCMember" xlink:to="lab_ceix_PennsylvaniaMiningComplexPAMCMember" xlink:type="arc" order="1"/>
          <link:label id="lab_ceix_ItmannMiningComplexIMCMember_label_en-US" xlink:label="lab_ceix_ItmannMiningComplexIMCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Itmann Mining Complex (IMC) [Member]</link:label>
          <link:loc xlink:type="locator" xlink:label="loc_ceix_ItmannMiningComplexIMCMember" xlink:href="ceix-20241231.xsd#ceix_ItmannMiningComplexIMCMember"/>
          <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ceix_ItmannMiningComplexIMCMember" xlink:to="lab_ceix_ItmannMiningComplexIMCMember" xlink:type="arc" order="1"/>
          <link:label id="lab_ceix_OtherMember_label_en-US" xlink:label="lab_ceix_OtherMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other [Member]</link:label>
          <link:loc xlink:type="locator" xlink:label="loc_ceix_OtherMember" xlink:href="ceix-20241231.xsd#ceix_OtherMember"/>
          <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ceix_OtherMember" xlink:to="lab_ceix_OtherMember" xlink:type="arc" order="1"/>
          <link:label id="lab_ceix_CorporateAndOtherMember_label_en-US" xlink:label="lab_ceix_CorporateAndOtherMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Corporate and Other [Member]</link:label>
          <link:loc xlink:type="locator" xlink:label="loc_ceix_CorporateAndOtherMember" xlink:href="ceix-20241231.xsd#ceix_CorporateAndOtherMember"/>
          <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ceix_CorporateAndOtherMember" xlink:to="lab_ceix_CorporateAndOtherMember" xlink:type="arc" order="1"/>
        </link:labelLink>
      </link:linkbase>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="ceix_PAMCPACoalUndergroundMiningMember" abstract="true" name="PAMCPACoalUndergroundMiningMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ceix_IMCWVCoalUndergroundMiningMember" abstract="true" name="IMCWVCoalUndergroundMiningMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ceix_U.S.FederalGovernmentMember" abstract="true" name="U.S.FederalGovernmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ceix_CoalMember" abstract="true" name="CoalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ceix_PennsylvaniaMiningComplexPAMCMember" abstract="true" name="PennsylvaniaMiningComplexPAMCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ceix_ItmannMiningComplexIMCMember" abstract="true" name="ItmannMiningComplexIMCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ceix_OtherMember" abstract="true" name="OtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ceix_CorporateAndOtherMember" abstract="true" name="CorporateAndOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
</XBRL>

```

## Exhibit 99.1

**Exhibit 99.1**

**Resource Extraction Payment Report**

**for the Fiscal Year Ended December 31, 2024**

---

| | | | | | |
|:---|:---|:---|:---|:---|:---|
| **Segment** | **Project/Subnational Political Jurisdiction** | **Resource (Mineral) and Method of Extraction** | **Governmental Recipient/Country** | **Payment Type** | **Dollars (in thousands)** |
| ***Pennsylvania Mining Complex (PAMC)*** | Pennsylvania | Coal - Underground Mining | U.S. Federal Government | Federal black lung excise taxes | $12118 |
|  | Pennsylvania | Coal - Underground Mining | U.S. Federal Government | Federal reclamation fees | 2350 |
|  | Pennsylvania | Coal - Underground Mining | U.S. Federal Government | Black lung benefits | 167 |
|  | Pennsylvania | Coal - Underground Mining | U.S. Federal Government | Other (1) | 255 |
| Total PAMC Payments |  |  |  |  | $14890 |
| ***Itmann Mining Complex (IMC)*** | West Virginia | Coal - Underground Mining | U.S. Federal Government | Federal black lung excise taxes | $184 |
|  | West Virginia | Coal - Underground Mining | U.S. Federal Government | Federal reclamation fees | 35 |
|  | West Virginia | Coal - Underground Mining | U.S. Federal Government | Other (1) | 167 |
| Total IMC Payments |  |  |  |  | $386 |
| ***Corporate and Other*** | (2) | N/A | U.S. Federal Government | Federal income taxes | $37600 |
|  | (2) | N/A | U.S. Federal Government | Federal excise tax on share repurchases | $3747 |
|  | (2) | N/A | U.S. Federal Government | Federal excise tax on insurance premiums | $586 |
|  | Illinois | Other (3) | U.S. Federal Government | Black lung benefits | $13 |
|  | Kentucky | Other (3) | U.S. Federal Government | Black lung benefits | $414 |
|  | Ohio | Other (3) | U.S. Federal Government | Black lung benefits | $269 |
|  | Pennsylvania | Other (3) | U.S. Federal Government | Black lung benefits | $316 |
|  | Tennessee | Other (3) | U.S. Federal Government | Black lung benefits | $34 |
|  | Virginia | Other (3) | U.S. Federal Government | Black lung benefits | $963 |
|  | West Virginia | Other (3) | U.S. Federal Government | Black lung benefits | $813 |

---

------

(1) This amount represents assessments issued by the federal Mine Safety and Health Administration.

(2) The U.S. federal government levies income taxes and certain excise taxes at the Core Natural Resources, Inc. ("Core") level rather than on a per project basis. Income tax and certain excise tax payment information in the table above is presented at the Core entity level.

(3) Other represents black lung benefits related to idle operations.

The following table summarizes Core's total payments to the U.S federal government by payment type (dollars in thousands):

---

| | |
|:---|:---|
| | **Fiscal Year Ended**<br>**December 31, 2024** |
| Federal black lung excise taxes | $12302 |
| Federal reclamation fees | 2385 |
| Black lung benefits | 2989 |
| Federal income taxes | 37600 |
| Other federal excise taxes | 4333 |
| Other | 422 |
| &nbsp;&nbsp;&nbsp;&nbsp;Total payments to U.S. Federal government | $60031 |

---

<br>