# EDGAR Filing Document

**Accession Number:** 0000066756
**File Stem:** 0000066756-25-000078
**Filing Date:** 2025-9
**Character Count:** 31098
**Document Hash:** 5f86fbf41850b0acda366021e8803629
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000066756-25-000078.hdr.sgml**: 20250924

**ACCESSION NUMBER**: 0000066756-25-000078

**CONFORMED SUBMISSION TYPE**: SD

**PUBLIC DOCUMENT COUNT**: 13

**FILED AS OF DATE**: 20250924

**DATE AS OF CHANGE**: 20250923

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ALLETE INC
- **CENTRAL INDEX KEY:** 0000066756
- **STANDARD INDUSTRIAL CLASSIFICATION:** ELECTRIC & OTHER SERVICES COMBINED [4931]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 410418150
- **STATE OF INCORPORATION:** MN
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SD
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-03548
- **FILM NUMBER:** 251334759

**BUSINESS ADDRESS:**
- **STREET 1:** 30 W SUPERIOR ST
- **CITY:** DULUTH
- **STATE:** MN
- **ZIP:** 55802-2093
- **BUSINESS PHONE:** 2182795000

**MAIL ADDRESS:**
- **STREET 1:** 30 W SUPERIOR STREET
- **CITY:** DULUTH
- **STATE:** MN
- **ZIP:** 55802-2093

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ALLETE
- **DATE OF NAME CHANGE:** 20000901

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MINNESOTA POWER INC
- **DATE OF NAME CHANGE:** 19980603

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MINNESOTA POWER & LIGHT CO
- **DATE OF NAME CHANGE:** 19920703

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**WASHINGTON, D.C. 20549**

**FORM SD**

**SPECIALIZED DISCLOSURE REPORT**

**ALLETE, Inc.**

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

---

| | | |
|:---|:---|:---|
| **Minnesota** | **1-3548** | **41-0418150** |
| (State or other jurisdiction of | (Commission File Number) | (IRS Employer |
| incorporation or organization) | | Identification No.) |

---

**30 West Superior Street**

**Duluth, Minnesota 55802-2093**

(Address of principal executive offices, including zip code)

**Colin B. Anderson**

**(218) 279-5000**

(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 1 - CONFLICT MINERAL DISCLOSURE**

**Item 1.01. Conflict Minerals Disclosure Report**

Not applicable

**Item 1.02. Exhibit**

Not applicable

**SECTION 2 - RESOURCE EXTRACTION ISSUER DISCLOSURE**

**Item 2.01. Resource Extraction Issuer Disclosure Report**

Disclosure of Payments by Resource Extraction Issuers.

The payment disclosure required by this Form is included in Exhibit 2.01 to this Form SD.

**SECTION 3 - EXHIBITS**

**Item 3.01. Exhibits**

The following exhibit is filed as part of this report.

**<u>Exhibit</u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<u>Description</u>**

<u>[2.01](ale-20241231.htm)</u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<u>[Disclosure of payments by resource extraction issuer for the fiscal year ended December 31, 2024](ale-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 duly authorized undersigned.

---

| | |
|:---|:---|
| **ALLETE, Inc.** | **ALLETE, Inc.** |
| September 24, 2025 | /s/ Colin B. Anderson |
| | Colin B. Anderson |
| | Vice President, Chief Accounting Officer, and Controller |

---

## Ex-2

**Exhibit 2.01**

---

| | | | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|:---|:---|
| **Reporting Entity Name:** | ALLETE INC |  |  |  |  |  |  |  |
| **Currency Used to Make Payments:** | USD |  |  |  |  |  |  |  |
| **Fiscal Year:** | 1/1/2024 - 12/31/2024 |  |  |  |  |  |  |  |
| **Business Segment:** | Corporate and Other |  |  |  |  |  |  |  |
| **Country** | **Payee Name** | **Project Name** | **Resource Subject to Commercial Development** | **Method of Extraction** | **Major Subnational Political Jurisdiction of the Project** | **Taxes** | **Royalties** | **Total Amount Paid** |
| United States of America | Office of Natural Resources | Center Mine | Coal (Lignite) | Open Pit | North Dakota |  | $1876332 | $1876332 |
| United States of America | Office of Surface Mining | Center Mine | Coal (Lignite) | Open Pit | North Dakota | $247696 |  | 247696 |
| **Total Center Mine Project Payments** | **Total Center Mine Project Payments** | **Total Center Mine Project Payments** | **Total Center Mine Project Payments** | **Total Center Mine Project Payments** | **Total Center Mine Project Payments** | $247696 | $1876332 | $2124028 |

---

## Exhibit 2.01

```

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## Exhibit 2.01

```

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          <link:loc xlink:type="locator" xlink:label="loc_ale_CorporateAndOtherSegmentMember" xlink:href="ale-20241231.xsd#ale_CorporateAndOtherSegmentMember"/>
          <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain" xlink:to="loc_ale_CorporateAndOtherSegmentMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
        </link:presentationLink>
        <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
        <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
        <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
        <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
        <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
        <link:roleRef roleURI="http://xbrl.sec.gov/rxp/role/GovernmentsOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/rxp/2025/rxp-2025.xsd#GovernmentsOnly"/>
        <link:definitionLink xlink:role="http://xbrl.sec.gov/rxp/role/GovernmentsOnly" xlink:type="extended">
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          <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_rxp_AllGovernmentsMember" xlink:to="loc_ale_OfficeOfSurfaceMiningMember_91b8754f-19ce-4cc3-9741-150667920c4d" xlink:type="arc" order="2"/>
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        <link:roleRef roleURI="http://xbrl.sec.gov/rxp/role/ProjectsOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/rxp/2025/rxp-2025.xsd#ProjectsOnly"/>
        <link:definitionLink xlink:role="http://xbrl.sec.gov/rxp/role/ProjectsOnly" xlink:type="extended">
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        <link:roleRef roleURI="http://xbrl.sec.gov/rxp/role/ResourcesOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/rxp/2025/rxp-2025.xsd#ResourcesOnly"/>
        <link:definitionLink xlink:role="http://xbrl.sec.gov/rxp/role/ResourcesOnly" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:label="loc_rxp_AllResourcesMember" xlink:href="https://xbrl.sec.gov/rxp/2025/rxp-2025.xsd#rxp_AllResourcesMember"/>
          <link:loc xlink:type="locator" xlink:label="loc_ale_CoalLigniteMember_97037510-7281-432d-9880-3c1b87ec5b65" xlink:href="ale-20241231.xsd#ale_CoalLigniteMember"/>
          <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_rxp_AllResourcesMember" xlink:to="loc_ale_CoalLigniteMember_97037510-7281-432d-9880-3c1b87ec5b65" xlink:type="arc" order="1"/>
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        <link:roleRef roleURI="http://xbrl.sec.gov/rxp/role/EntitiesOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/rxp/2025/rxp-2025.xsd#EntitiesOnly"/>
        <link:definitionLink xlink:role="http://xbrl.sec.gov/rxp/role/EntitiesOnly" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
          <link:loc xlink:type="locator" xlink:label="loc_ale_CorporateAndOtherSegmentMember_d7e4f497-e3de-406f-a857-02065dc8efac" xlink:href="ale-20241231.xsd#ale_CorporateAndOtherSegmentMember"/>
          <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain" xlink:to="loc_ale_CorporateAndOtherSegmentMember_d7e4f497-e3de-406f-a857-02065dc8efac" xlink:type="arc" order="1"/>
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        <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_ale_CorporateAndOtherSegmentMember_label_en-US" xlink:label="lab_ale_CorporateAndOtherSegmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Corporate and Other Segment [Member]</link:label>
          <link:loc xlink:type="locator" xlink:label="loc_ale_CorporateAndOtherSegmentMember" xlink:href="ale-20241231.xsd#ale_CorporateAndOtherSegmentMember"/>
          <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ale_CorporateAndOtherSegmentMember" xlink:to="lab_ale_CorporateAndOtherSegmentMember" xlink:type="arc" order="1"/>
          <link:label id="lab_ale_OfficeOfNaturalResourcesMember_label_en-US" xlink:label="lab_ale_OfficeOfNaturalResourcesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Office of Natural Resources [Member]</link:label>
          <link:loc xlink:type="locator" xlink:label="loc_ale_OfficeOfNaturalResourcesMember" xlink:href="ale-20241231.xsd#ale_OfficeOfNaturalResourcesMember"/>
          <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ale_OfficeOfNaturalResourcesMember" xlink:to="lab_ale_OfficeOfNaturalResourcesMember" xlink:type="arc" order="1"/>
          <link:label id="lab_ale_OfficeOfSurfaceMiningMember_label_en-US" xlink:label="lab_ale_OfficeOfSurfaceMiningMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Office of Surface Mining [Member]</link:label>
          <link:loc xlink:type="locator" xlink:label="loc_ale_OfficeOfSurfaceMiningMember" xlink:href="ale-20241231.xsd#ale_OfficeOfSurfaceMiningMember"/>
          <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ale_OfficeOfSurfaceMiningMember" xlink:to="lab_ale_OfficeOfSurfaceMiningMember" xlink:type="arc" order="1"/>
          <link:label id="lab_ale_CenterMineMember_label_en-US" xlink:label="lab_ale_CenterMineMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Center Mine [Member]</link:label>
          <link:loc xlink:type="locator" xlink:label="loc_ale_CenterMineMember" xlink:href="ale-20241231.xsd#ale_CenterMineMember"/>
          <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ale_CenterMineMember" xlink:to="lab_ale_CenterMineMember" xlink:type="arc" order="1"/>
          <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_ale_CoalLigniteMember_label_en-US" xlink:label="lab_ale_CoalLigniteMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Coal (Lignite) [Member]</link:label>
          <link:loc xlink:type="locator" xlink:label="loc_ale_CoalLigniteMember" xlink:href="ale-20241231.xsd#ale_CoalLigniteMember"/>
          <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ale_CoalLigniteMember" xlink:to="lab_ale_CoalLigniteMember" xlink:type="arc" order="1"/>
        </link:labelLink>
      </link:linkbase>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="ale_OfficeOfNaturalResourcesMember" abstract="true" name="OfficeOfNaturalResourcesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ale_CenterMineMember" abstract="true" name="CenterMineMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ale_CoalLigniteMember" abstract="true" name="CoalLigniteMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ale_CorporateAndOtherSegmentMember" abstract="true" name="CorporateAndOtherSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ale_OfficeOfSurfaceMiningMember" abstract="true" name="OfficeOfSurfaceMiningMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
</XBRL>

```