HL / Hecla Mining Company - SEC-Einreichungen, Jahresbericht, Proxy Statement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 21, 2026 HECLA MINING COMPANY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 21, 2026 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File Num

First Amendment to the Amended and Restated Hecla Mining Company Stock Plan for Nonemployee Directors

Exhibit 10.1 First Amendment to the Amended and Restated Hecla Mining Company Stock Plan for Nonemployee Directors This First Amendment (the “Amendment”) to the Amended and Restated Hecla Mining Company Stock Plan for Nonemployee Directors (the “Plan”) is adopted by Hecla Mining Company, a Delaware corporation (the “Company”), effective as of May 21, 2026. Recitals WHEREAS, the Board of Directors

Hecla Reports First Quarter 2026 Results Cash Flow from Continuing Operations $183 million, Record Free Cash Flow1 $144 million; Premier Silver Focus Sharpened; Organic Growth Pipeline Advancing

Hecla Reports First Quarter 2026 Results Cash Flow from Continuing Operations $183 million, Record Free Cash Flow1 $144 million; Premier Silver Focus Sharpened; Organic Growth Pipeline Advancing COEUR D'ALENE, IDAHO - May 5, 2026- Hecla Mining Company (NYSE:HL) ("Hecla", or the "Company") today announced first quarter 2026 financial and operating results.

Notice of

Exhibit 95 Mine Safety Disclosures Our mines are operated subject to the regulation of the Federal Mine Safety and Health Administration (“MSHA”), under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 .

FORM 8-K Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 05, 2026 HECLA MINING CO/DE/ (Exact name of Registrant as Specified in Its Charter) Delaware 1-8491 77-0664171 (State or Other Jurisdiction of Incorporation) (Commission File Numb

HECLA MINING COMPANY CHANGE IN CONTROL AND SEVERANCE AGREEMENT

Exhibit 10.1 HECLA MINING COMPANY CHANGE IN CONTROL AND SEVERANCE AGREEMENT This Change in Control and Severance Agreement (the “Agreement”) is made by and between Hecla Mining Company, a Delaware corporation (the “Company”), and (the “Executive”), effective as of , 20. The Company and the Executive agree as follows: 1. Term of Agreement. This Agreement will continue indefinitely until terminated

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 9, 2026 HECLA MINING CO/DE/ (Exact name of Registrant as Specified in Its Charter) Delaware 1-8491 77-0664171 (State or Other Jurisdiction of Incorporation) (Commission File Num

ARS

2025 FINANCIALS HECLA MINING COMPANY FORM 10-K(This page intentionally left blank.

Hecla Mining Company Completes Redemption of Senior Notes Achieves unencumbered balance sheet, unlocking full capital flexibility

Exhibit 99.1 NEWS RELEASE Hecla Mining Company Completes Redemption of Senior Notes Achieves unencumbered balance sheet, unlocking full capital flexibility COEUR D'ALENE, IDAHO – April 9, 2026 - Hecla Mining Company (NYSE:HL) ("Hecla", or the "Company") is pleased to announce today that it has completed the full redemption of its remaining $263 million 7.25% Senior Notes (“Notes”) due 2028, comple

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant  ☒         Filed by a Party other than the Registrant  ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy Statement ☐ Definitive Additional Materials ☐ Soliciting Material Pursuant to Section 240.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒        Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy Statement ☒ Definitive Additional Materials ☐ Soliciting Material Pursuant to Section 240.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 25, 2026 HECLA MINING CO/DE/ (Exact name of Registrant as Specified in Its Charter) Delaware 1-8491 77-0664171 (State or Other Jurisdiction of Incorporation) (Commission File

HECLA MINING COMPANY UNAUDITED PRO FORMA CONDENSED CONSOLIDATED FINANCIAL INFORMATION

Exhibit 99.2 HECLA MINING COMPANY UNAUDITED PRO FORMA CONDENSED CONSOLIDATED FINANCIAL INFORMATION The unaudited pro forma condensed consolidated financial information contained herein is prepared in accordance with Article 11 of Regulation S-X and should be read in conjunction with the accompanying notes. The following unaudited pro forma condensed consolidated financial statements were prepared

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 25, 2026 HECLA MINING CO/DE/ (Exact name of Registrant as Specified in Its Charter) Delaware 1-8491 77-0664171 (State or Other Jurisdiction of Incorporation) (Commission File Nu

Hecla Mining Company Closes Casa Berardi Sale and Announces Redemption Notice for Senior Notes Transaction Completion Further Solidifies Hecla as the Premier North American Silver Company

Exhibit 99.1 NEWS RELEASE Hecla Mining Company Closes Casa Berardi Sale and Announces Redemption Notice for Senior Notes Transaction Completion Further Solidifies Hecla as the Premier North American Silver Company COEUR D'ALENE, IDAHO – March 25, 2026 - Hecla Mining Company (NYSE:HL) ("Hecla", or the "Company") is pleased to announce today that it has completed the sale of its subsidiary that owns

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 18, 2026 HECLA MINING CO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 18, 2026 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission Fil

Exhibit 23.7 Sedgman Canada Ltd.

Exhibit 23.7 CONSENT OF QUALIFIED PERSON In connection with the Hecla Mining Company Annual Report on Form 10-K for the year ended December 31, 2025 and any amendments or supplements and/or exhibits thereto (collectively, the “Form 10-K”), the undersigned consents to: (i) the filing and use of the technical report summary titled “S-K 1300 Technical Report Summary on the Keno Hill Operations, Yukon

CONSENT OF QUALIFIED PERSON

Exhibit 23.8 CONSENT OF QUALIFIED PERSON In connection with the Hecla Mining Company Annual Report on Form 10-K for the year ended December 31, 2025 and any amendments or supplements and/or exhibits thereto (collectively, the “Form 10-K”), the undersigned consents to: (i) the filing and use of the technical report summary titled “S-K 1300 Technical Report Summary on the Keno Hill Operations, Yukon

Notice of

Exhibit 95 Mine Safety Disclosures Our mines are operated subject to the regulation of the Federal Mine Safety and Health Administration (“MSHA”), under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”).

Hecla Reports Fourth Quarter and Full Year 2025 Results 2025 Cash Flow from Operations $563 million, Free Cash Flow1 $310 million, Numerous records achieved; Balance sheet strengthening continues, Net leverage ratio at 0.1x from 1.6x a year ago

Hecla Reports Fourth Quarter and Full Year 2025 Results 2025 Cash Flow from Operations $563 million, Free Cash Flow1 $310 million, Numerous records achieved; Balance sheet strengthening continues, Net leverage ratio at 0.

FORM 8-K Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 17, 2026 HECLA MINING CO/DE/ (Exact name of Registrant as Specified in Its Charter) Delaware 1-8491 77-0664171 (State or Other Jurisdiction of Incorporation) (Commission File

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file No. 1-8491 HECLA MINING COMPANY (Exact name

To BYLAWS HECLA MINING COMPANY (a Delaware corporation) (Adopted August 8, 2006; Amended November 8, 2006; Amended August 1, 2007; Amended December 3, 2007; Amended August 19, 2014; Amended December 4, 2016; Amended December 10, 2019; Amended Februar

To BYLAWS of HECLA MINING COMPANY (a Delaware corporation) (Adopted August 8, 2006; Amended November 8, 2006; Amended August 1, 2007; Amended December 3, 2007; Amended August 19, 2014; Amended December 4, 2016; Amended December 10, 2019; Amended February 26, 2021; Amended August 21, 2021; Amended December 9, 2022; Amended May 23, 2023) ARTICLE I.

INTRODUCTION

HECLA MINING COMPANY RETIREMENT PLAN (Effective as of January 1, 2025) 319201581.13 TABLE OF CONTENTS INTRODUCTION 1 Article I DEFINITIONS 2 “Accrued Benefit” 2 “Actuarial Equivalent” 2 “Administrator” 3 “Annuity Starting Date” 3 “Average Compensation” 3 “Beneficiary” 4 “Cash Balance Account” 4 “Cash Balance Participant” 4 “Code” 5 “Committee” 5 “Company” 5 “Compensation” 5 “Controlled Group” 6 “C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 13, 2026 HECLA MINING CO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 13, 2026 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission Fil

Hecla Reports Exploration Results and Mineral Reserves & Resources Silver Industry Peer Leading Reserve Mine Life Maintained

Exhibit 99.1 Hecla Reports Exploration Results and Mineral Reserves & Resources Silver Industry Peer Leading Reserve Mine Life Maintained COEUR D'ALENE, IDAHO - February 13, 2026- Hecla Mining Company (NYSE:HL) ("Hecla", "we", "our" or the "Company") today reported year-end mineral reserves and resources and exploration results. In 2026, the Company plans to invest nearly double the 2025 investmen

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 26, 2026 HECLA MINING COM

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 26, 2026 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File

HECLA MINING COMPANY ANNOUNCES SALE OF CASA BERARDI FOR UP TO $593 MILLION Transaction Aligns with Company’s Strategic Transformation; Expected to Further Strengthen Balance Sheet

Exhibit 99.1 NEWS RELEASE HECLA MINING COMPANY ANNOUNCES SALE OF CASA BERARDI FOR UP TO $593 MILLION Transaction Aligns with Company’s Strategic Transformation; Expected to Further Strengthen Balance Sheet COEUR D'ALENE, IDAHO – January 26, 2026 - Hecla Mining Company (NYSE:HL) ("Hecla", or the "Company") announced today that it has agreed to sell its subsidiary that owns the Casa Berardi operatio

17629346 CANADA INC. – and – OREZONE GOLD CORPORATION – and – HECLA MINING COMPANY SHARE PURCHASE AGREEMENT January 26, 2026 TABLE OF CONTENTS

Exhibit 10.1 Execution Version 17629346 CANADA INC. – and – OREZONE GOLD CORPORATION – and – HECLA MINING COMPANY SHARE PURCHASE AGREEMENT January 26, 2026 TABLE OF CONTENTS ARTICLE 1 INTERPRETATION 2 1.1 Defined Terms 2 1.2 Construction 21 1.3 Certain Rules of Interpretation 22 1.4 Knowledge 22 1.5 Computation of Time 22 1.6 Performance on Business Days 22 1.7 Currency and Payment 22 1.8 Accounti

EXHIBIT 99.2

Exhibit 99.2

HECLA ANNOUNCES FULL YEAR PRODUCTION AND 2026 GUIDANCE Silver and gold production achieve top end of production guidance, Lucky Friday achieves record production

Exhibit 99.1 HECLA ANNOUNCES FULL YEAR PRODUCTION AND 2026 GUIDANCE Silver and gold production achieve top end of production guidance, Lucky Friday achieves record production COEUR D'ALENE, IDAHO - January 26, 2026 - Hecla Mining Company (NYSE:HL) ("Hecla" or the "Company") today announced its preliminary metals production for the fourth quarter and full year of 2025 and provided 2026 Guidance. HI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 26, 2026 HECLA MINING COM

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 26, 2026 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction (Commission File Number) (IRS Empl

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 29, 2025 HECLA MINING CO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 29, 2025 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission Fil

FORM 8-K Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 05, 2025 HECLA MINING CO/DE/ (Exact name of Registrant as Specified in Its Charter) Delaware 1-8491 77-0664171 (State or Other Jurisdiction of Incorporation) (Commission File

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 September 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to .

Notice of

Exhibit 95 Mine Safety Disclosures Our mines are operated subject to the regulation of the Federal Mine Safety and Health Administration (“MSHA”), under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”).

Hecla Reports Third Quarter 2025 Results Cash Flow from Operations $148 million, Free Cash Flow $90 million, numerous records achieved; deleveraging continues with revolver fully repaid; tightening up silver and gold production and reiterating consol

Hecla Reports Third Quarter 2025 Results Cash Flow from Operations $148 million, Free Cash Flow $90 million, numerous records achieved; deleveraging continues with revolver fully repaid; tightening up silver and gold production and reiterating consolidated silver and gold cash cost and AISC guidance COEUR D'ALENE, IDAHO - November 5, 2025 - Hecla Mining Company (NYSE:HL) ("Hecla", "we", "our" or the "Company") today announced third quarter 2025 financial and operating results.

144

144 0001841980 XXXXXXXX LIVE 0000719413 HECLA MINING CO/DE/ 001-08491 6500 N MINERAL DRIVE SUITE 200 NONE COEUR D'ALENE ID 83815-9408 2087694100 Lawlar Russell Douglas Officer Common Stock Wells Fargo PO Box 66535 St.

HECLA MINING CO/DE/

Resource Extraction Payment Report Exhibit 2.01 Hecla Mining Company For the period January 1, 2024 to December 31, 2024 Reporting Currency : United States Dollar Payments by Payee Country Payee Name Department, Agency etc. within Payee that Received Payments Taxes Royalties Fees Production Entitlements Bonuses Dividends Payments for infrastructure improvements Community and social responsibility

XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT

Revenue Ministry Government of Quebec [Member] Revenue ministry government of Quebec.

United States Securities and Exchange Commission Washington, D.C. 20549 FORM SD Specialized Disclosure Report HECLA MINING COMPANY (Exact name of registrant as specified in its charter)

United States Securities and Exchange Commission Washington, D.C. 20549 FORM SD Specialized Disclosure Report HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction (Commission (I.R.S. Employer of incorporation) File Number) Identification No.) 6500 N. Mineral Drive, Suite 200 Coeur d'Alene, Idaho 83815-9408 (Zip Code) (A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 11, 2025 HECLA MINING C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 11, 2025 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission Fi

Hecla to Participate in Mining Forum Americas 2025

Exhibit 99.2 NEWS RELEASE Hecla to Participate in Mining Forum Americas 2025 COEUR D'ALENE, IDAHO – September 11, 2025 - Hecla Mining Company (NYSE:HL) is pleased to announce that Rob Krcmarov, President and CEO, will present at the Mining Forum Americas 2025 in Colorado Springs, Colorado, on Tuesday, September 16, at 2:20 PM Mountain Time. This annual event gathers leading mining executives and i

EXHIBIT 99.1

Exhibit 99.1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 20, 2025 HECLA MINING COMP

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 20, 2025 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 June 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to .

Mine safety information listed in Section 1503 of the Dodd-Frank Act.

Exhibit 95 Mine Safety Disclosures Our mines are operated subject to the regulation of the Federal Mine Safety and Health Administration (“MSHA”), under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”).

Hecla Mining Company 2010 Stock Incentive Plan – Notice of Award of Performance-based Stock Units, as amended and effective June 6, 2025. (1)*

Exhibit 10.3 NOTICE OF AWARD OF PERFORMANCE UNITS HECLA MINING COMPANY 2010 STOCK INCENTIVE PLAN (AS AMENDED AND RESTATED AS OF AUGUST 21, 2021) Hecla Mining Company (the “Company”) hereby grants this Performance Unit Award (the “Award”) of a number of Performance Units as determined in accordance with this Notice of Award of Performance Units (the “Notice”) to the Grantee designated in this Notic

Hecla Mining Company 2010 Stock Incentive Plan – Notice of Award of Restricted Stock Units, as amended and effective June 6, 2025. (1)*

Exhibit 10.2 NOTICE OF AWARD OF RESTRICTED STOCK UNITS HECLA MINING COMPANY 2010 STOCK INCENTIVE PLAN Hecla Mining Company (the “Company”) hereby grants this Restricted Stock Unit Award (the “Award”) of the number of Restricted Stock Units set forth in this Notice of Award of Restricted Stock Units (the “Notice”) to the Grantee designated in this Notice, pursuant to the provisions of the Hecla Min

Hecla Reports Second Quarter 2025 Results Record free cash flow, record revenues and Adjusted EBITDA, Keno Hill delivers first positive free cash flow quarter, and Lucky Friday sets new milling record

Hecla Reports Second Quarter 2025 Results Record free cash flow, record revenues and Adjusted EBITDA, Keno Hill delivers first positive free cash flow quarter, and Lucky Friday sets new milling record COEUR D'ALENE, IDAHO - August 6, 2025 - Hecla Mining Company (NYSE:HL) ("Hecla", "we", "our" or the "Company") today announced second quarter 2025 financial and operating results.

FORM 8-K Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 04, 2025 HECLA MINING CO/DE/ (Exact name of Registrant as Specified in Its Charter) Delaware 1-8491 77-0664171 (State or Other Jurisdiction of Incorporation) (Commission File N

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2024 Commission File No. 1-8491 A. Full title of the plan and the address of the plan, if different from that of the issuer named below: HECLA MINING COMPANY CAPITAL ACCUMULATION PLAN B. Name of i

HECLA APPOINTS DIRECTOR May 22, 2025

Exhibit 99.1 HECLA APPOINTS DIRECTOR FOR IMMEDIATE RELEASE May 22, 2025 COEUR D'ALENE, IDAHO - Hecla Mining Company (NYSE:HL) is pleased to announce the appointment of Dean Gehring to its Board of Directors, effective May 22, 2025. Mr. Gehring currently serves as a board advisor at Allonnia, a bioengineering company innovating recovery, tailings and environmental solutions for the mining industry.

Restated Certificate of Incorporation of Hecla Mining Company. *

Exhibit 3.1 RESTATED CERTIFICATE OF INCORPORATION OF HECLA MINING COMPANY It is hereby certified that: I. The present name of the corporation (hereinafter called the “Corporation”) is Hecla Mining Company. II. The name under which the Corporation was originally incorporated is Hecla Holdings Inc., and the date of filing the original Certificate of Incorporation of the Corporation with the Secretar

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

-12-31 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 21, 2025 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction (Commission File Number) (IRS E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to .

FORM 8-K Item 2.02 Results of Operations and Financial Condition. Item 8.01 Other Events. Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 01, 2025 HECLA MINING CO/DE/ (Exact name of Registrant as Specified in Its Charter) Delaware 1-8491 77-0664171 (State or Other Jurisdiction of Incorporation) (Commission File Numb

Mine safety information listed in Section 1503 of the Dodd-Frank Act.

Exhibit 95 Mine Safety Disclosures Our mines are operated subject to the regulation of the Federal Mine Safety and Health Administration (“MSHA”), under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”).

Hecla Reports First Quarter 2025 Results Record revenues and Adjusted EBITDA, Keno Hill delivers first profitable quarter, and Lucky Friday sets new milling record

Hecla Reports First Quarter 2025 Results Record revenues and Adjusted EBITDA, Keno Hill delivers first profitable quarter, and Lucky Friday sets new milling record COEUR D'ALENE, IDAHO - May 1, 2025 - Hecla Mining Company (NYSE:HL) ("Hecla", "we", "our" or the "Company") today announced first quarter 2025 financial and operating results.

Hecla Mining Company 2010 Stock Incentive Plan – Notice of Award of Restricted Stock Units, as amended and effective December 20, 2024. (1)*

NOTICE OF AWARD OF RESTRICTED STOCK UNITS HECLA MINING COMPANY 2010 STOCK INCENTIVE PLAN Hecla Mining Company (the “Company”) hereby grants this Restricted Stock Unit Award (the “Award”) of the number of Restricted Stock Units set forth in this Notice of Award of Restricted Stock Units (the “Notice”) to the Grantee designated in this Notice, pursuant to the provisions of the Hecla Mining Company 2010 Stock Incentive Plan (the “Plan”) and subject to certain restrictions as outlined below in this Notice and the additional provisions set forth in the attached Terms and Conditions of Restricted Stock Unit Award (the “Terms”).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒        Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy Statement ☒ Definitive Additional Materials ☐ Soliciting Material Pursuant to Section 240.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant  ☒         Filed by a Party other than the Registrant  ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy Statement ☐ Definitive Additional Materials ☐ Soliciting Material Pursuant to Section 240.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant  ☒         Filed by a Party other than the Registrant  ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy Statement ☐ Definitive Additional Materials ☐ Soliciting Material Pursuant to Section 240.

Consent of Sedgmen Canada Ltd.*

EX-23.8 Exhibit 23.8 CONSENT OF QUALIFIED PERSON In connection with the Hecla Mining Company Registration Statement on Form S-3 and any amendments or supplements and/or exhibits thereto (collectively, the “Form S-3”), the undersigned consents to: (i) the incorporation by references and use of the technical report summary titled “S-K 1300 Technical Report Summary on the Keno Hill Operations, Yukon,

Consent of Matthew Blattman P.E.*

EX-23.9 Exhibit 23.9 CONSENT OF QUALIFIED PERSON In connection with the Hecla Mining Company Registration Statement on Form S-3 and any amendments or supplements and/or exhibits thereto (collectively, the “Form S-3”), the undersigned consents to: (i) the incorporation by references and use of the technical report summary titled “S-K 1300 Technical Report Summary on the Keno Hill Operations, Yukon,

Consent of Baoyao Tang P.Eng.*

EX-23.10 Exhibit 23.10 CONSENT OF QUALIFIED PERSON In connection with the Hecla Mining Company Registration Statement on Form S-3 and any amendments or supplements and/or exhibits thereto (collectively, the “Form S-3”), the undersigned consents to: (i) the incorporation by references and use of the technical report summary titled “S-K 1300 Technical Report Summary on the Keno Hill Operations, Yuko

Calculation of Filing Fee Tables (Form Type) Hecla Mining Company (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Tables 424B5 (Form Type) Hecla Mining Company (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial effective date Filing Fee Previously Paid In Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to Be Paid Equity Common Stock, par value $0.

Form T-1 Statement of Eligibility of The Bank of New York Mellon Trust Company, N.A., as Trustee with respect to Indenture dated as of February 19, 2020*

EX-25.1 Exhibit 25.1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE ☐ CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b)(2) THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. (Exact name of trustee as specified in its char

Filing Fee Table*

Exhibit 107 Calculation of Filing Fee Tables Form S-3 ASR (Form Type) Hecla Mining Company (Exact Name of Registrant as Specified in its Charter) Table 1—Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered  Proposed Maximum  Offering Price Per Unit Maximum  Aggregate  Offering Price Fee Rate  Amount of Registration  Fee Carry Forward  Form Type Carry Forward  File Number Carry Forward  Initial effective  date Filing Fee Previously Paid In Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to Be Paid Debt Debt Securities (1) Rule 456(b) and Rule 457(r)(2) (3) (3) (3) (2) (2) Equity Preferred Stock, par value $0.

Consent of Mining Plus Canada Ltd.*

EX-23.7 Exhibit 23.7 CONSENT OF QUALIFIED PERSON In connection with the Hecla Mining Company Registration Statement on Form S-3 and any amendments or supplements and/or exhibits thereto (collectively, the “Form S-3”), the undersigned consents to: (i) the incorporation by references and use of the technical report summary titled “S-K 1300 Technical Report Summary on the Keno Hill Operations, Yukon,

Hecla Mining Company Up to 36,156,316 Shares of Common Stock

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration Statement File No.

As filed with the Securities and Exchange Commission on February 14, 2025

Table of Contents As filed with the Securities and Exchange Commission on February 14, 2025 Registration No.

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 14, 2025 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission Fil

Consent of Qualified Person for Technical Report Summary of Keno Hill Mine. *

Exhibit 23.7 CONSENT OF QUALIFIED PERSON In connection with the Hecla Mining Company Annual Report on Form 10-K for the year ended December 31, 2024 and any amendments or supplements and/or exhibits thereto (collectively, the “Form 10-K”), the undersigned consents to: (i) the filing and use of the technical report summary titled “S-K 1300 Technical Report Summary on the Keno Hill Operations, Yukon

Consent of Qualified Person for Technical Report Summary of Keno Hill Mine. *

Exhibit 23.8 CONSENT OF QUALIFIED PERSON In connection with the Hecla Mining Company Annual Report on Form 10-K for the year ended December 31, 2024 and any amendments or supplements and/or exhibits thereto (collectively, the “Form 10-K”), the undersigned consents to: (i) the filing and use of the technical report summary titled “S-K 1300 Technical Report Summary on the Keno Hill Operations, Yukon

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file No. 1-8491 HECLA MINING COMPANY (Exact name

Second Amendment - Hecla Mining Company Pre-2005 Supplemental Excess Retirement Plan, effective January 1, 2025. (1) *

Exhibit 10.12(e) SECOND AMENDMENT HECLA MINING COMPANY PRE-2005 SUPPLEMENTAL EXCESS RETIREMENT PLAN In connection with the amendment and restatement of the rabbit trust agreement, the Retirement Committee of Hecla Mining Company (the "Committee"), on behalf of Hecla Mining Company, desires to amend the Hecla Mining Company Pre-2005 Supplemental Excess Retirement Plan (the "Plan") to include the Co

Mine safety information listed in Section 1503 of the Dodd-Frank Act. *

Exhibit 95 Mine Safety Disclosures Our mines are operated subject to the regulation of the Federal Mine Safety and Health Administration (“MSHA”), under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”).

Hecla Reports Fourth Quarter and Full Year 2024 Results Record revenues, Second highest silver reserves, Second highest silver production, Deleveraging continues

Exhibit 99.1 Hecla Reports Fourth Quarter and Full Year 2024 Results Record revenues, Second highest silver reserves, Second highest silver production, Deleveraging continues COEUR D'ALENE, IDAHO - February 13, 2025 - Hecla Mining Company (NYSE:HL) ("Hecla", "we", "our" or the "Company") today announced fourth quarter and full year 2024 financial and operating results. 2024 HIGHLIGHTS Financial Ac

Rabbi Trust Agreement between Hecla Mining Company and U.S. Bank National Association dated January 29, 2025. (1) *

Exhibit 10.13(b) RABBI TRUST AGREEMENT This Rabbi Trust Agreement (the “Agreement”) is between Hecla Mining Company (legal name of entity), a corporation (legal form of entity) organized under the laws of the State of Delaware, United States of America, (the “Customer”) and U.S. Bank National Association, a national banking association organized under the laws of the United States with offices in

As filed with the Securities and Exchange Commission on February 13, 2025

As filed with the Securities and Exchange Commission on February 13, 2025 Registration No.

Form of Indemnification Agreement dated April 7, 2025, between Registrant and Patrick Malone. Identical Indemnification Agreements were entered into between the Registrant and Charles B. Stanley on May 4, 2007, David C. Sienko on January 29, 2010, Robert D. Brown on January 4, 2016, Stephen F. Ralbovsky and George R. Johnson on March 1, 2016, Catherine J. Boggs on January 1, 2017, Alice Wong on February 26, 2021, Michael L. Clary on March 1, 2020, Russell D. Lawlar on March 1, 2021, Kurt Allen on July 1, 2021, Carlos Aguiar on August 16, 2023, Mark P. Board on February 22, 2024, Jill Satre on October 16, 2024, and Rob Krcmarov on November 7, 2024. Filed as exhibit 10.7 to Registrant’s Form 10-K for the year ended December 31, 2024 (File No. 1-8491) and incorporated herein by reference. (1)

Exhibit 10.7 INDEMNIFICATION AGREEMENT DIRECTORS AND OFFICERS THIS AGREEMENT made and entered into this day of 20, by and between HECLA MINING COMPANY, a Delaware corporation (the “Corporation”), and (the “Indemnitee”). WHEREAS, it is essential for the Corporation to attract and retain competent and experienced persons as directors or officers of publicly held corporations, which is difficult to d

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 13, 2025 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission Fil

Consent of Qualified Person for Technical Report Summary of Keno Hill Mine. *

Exhibit 23.9 CONSENT OF QUALIFIED PERSON In connection with the Hecla Mining Company Annual Report on Form 10-K for the year ended December 31, 2024 and any amendments or supplements and/or exhibits thereto (collectively, the “Form 10-K”), the undersigned consents to: (i) the filing and use of the technical report summary titled “S-K 1300 Technical Report Summary on the Keno Hill Operations, Yukon

Second Amendment - Hecla Mining Company Post-2004 Supplemental excess Retirement Plan, effective January 1, 2025. (1) *

Exhibit 10.12(c) SECOND AMENDMENT HECLA MINING COMPANY POST-2004 SUPPLEMENTAL EXCESS RETIREMENT PLAN In connection with the amendment and restatement of the rabbit trust agreement, the Retirement Committee of Hecla Mining Company (the "Committee"), on behalf of Hecla Mining Company, desires to amend the Hecla Mining Company Post-2004 Supplemental Excess Retirement Plan (the "Plan") to include the

Hecla Reports Exploration Results and Mineral Reserves Second highest silver reserves in company history

Exhibit 99.1 Hecla Reports Exploration Results and Mineral Reserves Second highest silver reserves in company history COEUR D'ALENE, IDAHO – February 12, 2025 - Hecla Mining Company (NYSE:HL) today reported exploration results and year-end mineral reserves. Significant exploration success at key properties provides the base for future resource growth while silver reserves reached the second highes

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 12, 2025 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

Mine safety information listed in Section 1503 of the Dodd-Frank Act.

Exhibit 95 Mine Safety Disclosures Our mines are operated subject to the regulation of the Federal Mine Safety and Health Administration (“MSHA”), under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”).

HECLA REPORTS THIRD QUARTER 2024 RESULTS New CEO takes reins, record silver segment revenues, deleveraging continues For The Period Ended: September 30, 2024 For Release: November 6, 2024

Exhibit 99.1 NEWS RELEASE HECLA REPORTS THIRD QUARTER 2024 RESULTS New CEO takes reins, record silver segment revenues, deleveraging continues For The Period Ended: September 30, 2024 For Release: November 6, 2024 COEUR D'ALENE, IDAHO - Hecla Mining Company (NYSE:HL) ("Hecla” or the “Company") today announced third quarter 2024 financial and operating results. THIRD QUARTER HIGHLIGHTS Operational

Consent of Mining Plus Canada Ltd.*

EX-23.7 Exhibit 23.7 CONSENT OF QUALIFIED PERSON In connection with the Hecla Mining Company Registration Statement on Form S-3 and any amendments or supplements and/or exhibits thereto (collectively, the “Form S-3”), the undersigned consents to: (i) the incorporation by references and use of the technical report summary titled “S-K 1300 Technical Report Summary on the Keno Hill Operations, Yukon,

Consent of Sedgmen Canada Ltd.*

EX-23.8 Exhibit 23.8 CONSENT OF QUALIFIED PERSON In connection with the Hecla Mining Company Registration Statement on Form S-3 and any amendments or supplements and/or exhibits thereto (collectively, the “Form S-3”), the undersigned consents to: (i) the incorporation by references and use of the technical report summary titled “S-K 1300 Technical Report Summary on the Keno Hill Operations, Yukon,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 September 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to .

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 6, 2024 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File

As filed with the Securities and Exchange Commission on November 7, 2024

As filed with the Securities and Exchange Commission on November 7, 2024 Registration No.

Consent of Baoyao Tang P.Eng.*

EX-23.10 Exhibit 23.10 CONSENT OF QUALIFIED PERSON In connection with the Hecla Mining Company Registration Statement on Form S-3 and any amendments or supplements and/or exhibits thereto (collectively, the “Form S-3”), the undersigned consents to: (i) the incorporation by references and use of the technical report summary titled “S-K 1300 Technical Report Summary on the Keno Hill Operations, Yuko

Consent of Matthew Blattman P.E.*

EX-23.9 Exhibit 23.9 CONSENT OF QUALIFIED PERSON In connection with the Hecla Mining Company Registration Statement on Form S-3 and any amendments or supplements and/or exhibits thereto (collectively, the “Form S-3”), the undersigned consents to: (i) the incorporation by references and use of the technical report summary titled “S-K 1300 Technical Report Summary on the Keno Hill Operations, Yukon,

Filing Fee Table*

Exhibit 107 Calculation of Filing Fee Tables Form S-3 ASR (Form Type) Hecla Mining Company (Exact Name of Registrant as Specified in its Charter) Table 1—Newly Registered Securities Security Type Security Class Title Fee Calculation  Rule Amount to be Registered (1) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Equity  Common  Stock, par value $0.

Amended and Restated Hecla Mining Company Stock Plan for Nonemployee Directors

Exhibit 10.3 AMENDED AND RESTATED HECLA MINING COMPANY STOCK PLAN FOR NONEMPLOYEE DIRECTORS (Approved by Shareholders May 25, 2017; Amended and Restated by the Board of Directors October 16, 2024) 1. Name of Plan. This plan shall be known as the “Hecla Mining Company Stock Plan for Nonemployee Directors” and is hereinafter referred to as the “Plan.” 2. Purpose of Plan. The purpose of the Plan is t

Change in Control and Severance Agreement dated November 7, 2024, between Registrant and Mr. Robert Krcmarov.* (1)

Exhibit 10.3 HECLA MINING COMPANY CHANGE IN CONTROL AND SEVERANCE AGREEMENT This Change in Control and Severance Agreement (the “Agreement”) is made by and between Hecla Mining Company, a Delaware corporation (the “Company”), and Robert Krcmarov (the “Executive”), effective November 7, 2024. The Company and the Executive agree as follows: 1. Term of Agreement. This Agreement will continue indefini

Hecla Names Rob Krcmarov as President and CEO Seasoned mining executive with more than 35 years of industry expertise November 4, 2024

Exhibit 99.1 NEWS RELEASE Hecla Names Rob Krcmarov as President and CEO Seasoned mining executive with more than 35 years of industry expertise FOR IMMEDIATE RELEASE November 4, 2024 COEUR D’ALENE, Idaho, November 4, 2024 — Hecla Mining Company (NYSE: HL) today announced that its Board of Directors has appointed Rob Krcmarov as the company’s new President and Chief Executive Officer (“CEO”), effec

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 4, 2024 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File

Offer Letter dated November 2, 2024.*

Exhibit 10.1 November 2, 2024 Robert Krcmarov Via Email: [email protected] RE: Employment Offer: President and Chief Executive Officer Dear Rob, On behalf of Hecla Mining Company (“Hecla” or “the Company”), I am pleased to offer you the positions of President and Chief Executive Officer (“Position”). The terms and conditions of our employment offer to you are outlined in the sections below. 1. P

HECLA APPOINTS DIRECTOR October 16, 2024

Exhibit 99.1 NEWS RELEASE HECLA APPOINTS DIRECTOR FOR IMMEDIATE RELEASE October 16, 2024 COEUR D'ALENE, IDAHO - Hecla Mining Company (NYSE:HL) is pleased to announce the appointment of Jill Satre to its Board of Directors, effective October 16, 2024. Ms. Satre is currently the Vice President of Internal Audit & Corporate Compliance at TC Energy, a major North American energy company, where she pro

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 16, 2024 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File

Financial Statements and Exhibits, Mine Safety - Reporting of Shutdowns and Patterns of Violations

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 5, 2024 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File Num

Resource Extraction Payment Report as required by Item 2.01 of this Form.

EX-99.1 2 hl-ex991.htm EX-99.1 Resource Extraction Payment Report Exhibit 2.01 Hecla Mining Company For the period January 1, 2023 to December 31, 2023 Reporting Currency : United States Dollar Payments by Payee Country Payee Name Department, Agency etc. within Payee that Received Payments Taxes Royalties Fees Production Entitlements Bonuses Dividends Payments for infrastructure improvements Commu

XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT

Revenue Ministry Government of Quebec Revenue Ministry Government of Quebec [Member] Revenue ministry government of Quebec.

XBRL INSTANCE DOCUMENT

00007194132023-01-012023-12-31 000071941332023-01-012023-12-31 0000719413hl:UnitedStatesOfAmericaBureauOfLandManagementMembercountry:US2023-01-012023-12-31 000071941312023-01-012023-12-31 0000719413hl:OtherHollisterProjectMember2023-01-012023-12-31 0000719413hl:OtherRioGrandeSilverProjectMember2023-01-012023-12-31 0000719413132023-01-012023-12-31 000071941362023-01-012023-12-31 0000719413hl:OtherM

United States Securities and Exchange Commission Washington, D.C. 20549 FORM SD Specialized Disclosure Report HECLA MINING COMPANY (Exact name of registrant as specified in its charter)

SD 1 hl-20231231.htm SD United States Securities and Exchange Commission Washington, D.C. 20549 FORM SD Specialized Disclosure Report HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction (Commission (I.R.S. Employer of incorporation) File Number) Identification No.) 6500 N. Mineral Drive, Suite 200 Coeur d'Alene, Idaho

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 6, 2024 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File N

Mine safety information listed in Section 1503 of the Dodd-Frank Act.

Exhibit 95 Mine Safety Disclosures Our mines are operated subject to the regulation of the Federal Mine Safety and Health Administration (“MSHA”), under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”).

HECLA REPORTS SECOND QUARTER 2024 RESULTS Second highest silver production drives record revenues, positive free cash flow, and deleveraging For The Period Ended: June 30, 2024 For Release: August 6, 2024

NEWS RELEASE Exhibit 99.1 HECLA REPORTS SECOND QUARTER 2024 RESULTS Second highest silver production drives record revenues, positive free cash flow, and deleveraging For The Period Ended: June 30, 2024 For Release: August 6, 2024 COEUR D'ALENE, IDAHO - Hecla Mining Company (NYSE:HL, "Company") today announced second quarter 2024 financial and operating results. SECOND QUARTER HIGHLIGHTS Operation

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 June 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to .

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 10, 2024 HECLA MINING COMPANY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 10, 2024 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

HECLA ANNOUNCES SECOND QUARTER PRODUCTION 10% increase in silver production over year-to-date 2023 July 10, 2024

Exhibit 99.1 NEWS RELEASE HECLA ANNOUNCES SECOND QUARTER PRODUCTION 10% increase in silver production over year-to-date 2023 FOR IMMEDIATE RELEASE July 10, 2024 COEUR D'ALENE, IDAHO - Hecla Mining Company (NYSE:HL) today announced its preliminary production results for the second quarter of 2024. HIGHLIGHTS Year to Date ("YTD") 2024 compared to YTD 2023 ● 10% increase in silver production ● Keno H

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2023 Commission File No. 1-8491 A. Full title of the plan and the address of the plan, if different from that of the issuer named below: HECLA MINING COMPANY CAPITAL ACCUMULATION PLAN B. Name of i

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 3, 2024 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File Num

Interim CEO Agreement, dated as of June 6, 2024, between Hecla Mining Company and Catherine J. Boggs, incorporated by reference to exhibit 10.1 to the Company's Current Report on Form 8-K filed on June 7, 2024. (1)

Exhibit 10.1 June 6, 2024 Catherine J. Boggs c/o Hecla Mining Company 6500 N. Mineral Dr., Suite 200 Coeur d’Alene, ID 83815 RE: Interim Chief Executive Officer Agreement (“Agreement”) On behalf of Hecla Mining Company (“Company”), this letter is to confirm that you accept the position of Interim President and Chief Executive of the Company (“ICEO”). You have agreed to accept this role while the C

HECLA ANNOUNCES LEADERSHIP TRANSITION May 23, 2024

Exhibit 99.1 NEWS RELEASE HECLA ANNOUNCES LEADERSHIP TRANSITION FOR IMMEDIATE RELEASE May 23, 2024 COEUR D’ALENE, IDAHO — Hecla Mining Company (NYSE:HL) announced today that, effective immediately, its Board of Directors has named Catherine J. “Cassie” Boggs, Hecla’s current Chair of the Board, as Interim President and Chief Executive Officer. Ms. Boggs succeeds Phillips S. Baker Jr., who, after n

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 22, 2024 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File Num

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 17, 2024 HECLA MINING COMPANY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 17, 2024 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File Num

Filing Fee Table*

Exhibit 107 Calculation of Filing Fee Tables Form S-3 ASR (Form Type) Hecla Mining Company (Exact Name of Registrant as Specified in its Charter) Table 1—Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount to be Registered (1) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Equity  Common Stock, par value $0.

Consent of Mining Plus Canada Ltd.*

EX-23.7 Exhibit 23.7 CONSENT OF QUALIFIED PERSON In connection with the Hecla Mining Company Registration Statement on Form S-3 and any amendments or supplements and/or exhibits thereto (collectively, the “Form S-3”), the undersigned consents to: (i) the incorporation by references and use of the technical report summary titled “S-K 1300 Technical Report Summary on the Keno Hill Operations, Yukon,

Consent of Matthew Blattman P.E.*

EX-23.9 Exhibit 23.9 CONSENT OF QUALIFIED PERSON In connection with the Hecla Mining Company Registration Statement on Form S-3 and any amendments or supplements and/or exhibits thereto (collectively, the “Form S-3”), the undersigned consents to: (i) the incorporation by references and use of the technical report summary titled “S-K 1300 Technical Report Summary on the Keno Hill Operations, Yukon,

Consent of Baoyao Tang P.Eng.*

EX-23.10 Exhibit 23.10 CONSENT OF QUALIFIED PERSON In connection with the Hecla Mining Company Registration Statement on Form S-3 and any amendments or supplements and/or exhibits thereto (collectively, the “Form S-3”), the undersigned consents to: (i) the incorporation by references and use of the technical report summary titled “S-K 1300 Technical Report Summary on the Keno Hill Operations, Yuko

Consent of Sedgmen Canada Ltd.*

EX-23.8 Exhibit 23.8 CONSENT OF QUALIFIED PERSON In connection with the Hecla Mining Company Registration Statement on Form S-3 and any amendments or supplements and/or exhibits thereto (collectively, the “Form S-3”), the undersigned consents to: (i) the incorporation by references and use of the technical report summary titled “S-K 1300 Technical Report Summary on the Keno Hill Operations, Yukon,

As filed with the Securities and Exchange Commission on May 20, 2024

Table of Contents As filed with the Securities and Exchange Commission on May 20, 2024 Registration No.

Registration Rights Agreement, dated as of April 29, 2021, between Hecla Mining Company and Waterton Nevada Splitter, LLC.*

Exhibit 4.1 REGISTRATION RIGHTS AGREEMENT This REGISTRATION RIGHTS AGREEMENT (this “Agreement”) is entered into and made effective as of April 29, 2021, 2021 (the “Effective Date”) by and between Hecla Mining Company, a Delaware corporation (“Hecla”), and Waterton Nevada Splitter, LLC, a Nevada limited liability company (“Waterton”). WHEREAS, on July 20, 2018, Hecla issued to Waterton 2,068,000 wa

Explanatory Note

Table of Contents Exhibit 99.1 Explanatory Note Hecla Mining Company and our affiliates and subsidiaries are filing this Current Report on Form 8-K solely to update portions of our Annual Report on Form 10-K for Hecla Mining Company for the year ended December 31, 2023, filed on February 15, 2024 (“2023 Form 10-K”) to reflect a change in Hecla’s reportable segments. In this exhibit, “we” or “our”

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K C URRENT R EPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): (May 20, 2024) HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to .

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): (May 8, 2024) HECLA MINING COMPAN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): (May 8, 2024) HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File Nu

Mine safety information listed in Section 1503 of the Dodd-Frank Act.

Exhibit 95 Mine Safety Disclosures Our mines are operated subject to the regulation of the Federal Mine Safety and Health Administration (“MSHA”), under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”).

First Amendment to Credit Agreement, dated as of May 3, 2024, by and among Hecla Mining Company, Hecla Limited, Hecla Alaska LLC, Hecla Greens Creek Mining Company, and Hecla Juneau Mining Company, as the Borrowers, Bank of America, N.A., as Administrative Agent for the Lenders, and various Lenders.*

Exhibit 10.1 FIRST AMENDMENT TO CREDIT AGREEMENT THIS FIRST AMENDMENT TO CREDIT AGREEMENT (this “Amendment”), dated as of May 3, 2024 (the “First Amendment Effective Date”), is entered into among HECLA MINING COMPANY, a Delaware corporation (the “Parent”), HECLA LIMITED, a Delaware corporation (“Hecla Limited”), HECLA ALASKA LLC, a Delaware limited liability company (“Hecla Alaska”), HECLA GREENS

HECLA REPORTS FIRST QUARTER 2024 RESULTS Cost and production guidance affirmed For The Period Ended: March 31, 2024 For Release: May 8, 2024

Exhibit 99.1 NEWS RELEASE HECLA REPORTS FIRST QUARTER 2024 RESULTS Cost and production guidance affirmed For The Period Ended: March 31, 2024 For Release: May 8, 2024 COEUR D’ALENE, IDAHO — Hecla Mining Company (NYSE:HL) today announced first quarter 2024 financial and operating results. FIRST QUARTER HIGHLIGHTS Operational • Produced 4.2 million silver ounces, an increase of 43% over the fourth q

HL / Hecla Mining Company / Wheaton Precious Metals Corp. - AMENDMENT NO. 2 Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* Hecla Mining Company (Name of Issuer) Common Stock, par value $0.25 per share (Title of Class of Securities) 422704106 (CUSIP Number) April 12, 2024 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule p

HECLA ANNOUNCES FIRST QUARTER PRODUCTION 43% increase in silver production over Q4 2023 April 8, 2024

EX-99.1 Exhibit 99.1 NEWS RELEASE HECLA ANNOUNCES FIRST QUARTER PRODUCTION 43% increase in silver production over Q4 2023 FOR IMMEDIATE RELEASE April 8, 2024 COEUR D’ALENE, IDAHO — Hecla Mining Company (NYSE:HL) today announced its preliminary production results for the first quarter of 2024. HIGHLIGHTS 1st Quarter 2024 compared to 4th Quarter 2023 (“prior quarter”) • Silver production of 4.2 mill

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 8, 2024 HECLA MINING COMPANY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 8, 2024 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant  ☒         Filed by a Party other than the Registrant  ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy Statement ☐ Definitive Additional Materials ☐ Soliciting Material Pursuant to Section 240.

ARS

10-K 2023 FINANCIALS(This page intentionally left blank.)UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to .

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒        Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy Statement ☒ Definitive Additional Materials ☐ Soliciting Material Pursuant to Section 240.

HECLA APPOINTS DIRECTOR February 26, 2024

Exhibit 99.1 NEWS RELEASE HECLA APPOINTS DIRECTOR FOR IMMEDIATE RELEASE February 26, 2024 COEUR D’ALENE, IDAHO — Hecla Mining Company (NYSE:HL) today announced the appointment of Mark P. Board as a Director effective February 23, 2024. Mr. Board has been President of M Board Mining Consulting, LLC since 2020. Prior to that, he served as Vice President – Innovation and Technical Services for Hecla

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 22, 2024 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission Fil

As filed with the Securities and Exchange Commission on February 15, 2024

S-3ASR Table of Contents As filed with the Securities and Exchange Commission on February 15, 2024 Registration No.

Consent of Qualified Person for Technical Report Summary of Keno Hill Mine. *

Exhibit 23.7 CONSENT OF QUALIFIED PERSON In connection with the Hecla Mining Company Annual Report on Form 10-K for the year ended December 31, 2023 and any amendments or supplements and/or exhibits thereto (collectively, the “Form 10-K”), the undersigned consents to: (i) the filing and use of the technical report summary titled “S-K 1300 Technical Report Summary on the Keno Hill Operations, Yukon

First Amendment to Equity Distribution Agreement, dated as of February 15, 2024, by and among Hecla Mining Company and the sales agents party thereto. *

Exhibit 1.2 HECLA MINING COMPANY FIRST AMENDMENT TO EQUITY DISTRIBUTION AGREEMENT February 15, 2024 BMO Capital Markets Corp. Scotia Capital (USA) Inc. 151 W. 42nd Street, 32nd Floor 250 Vesey Street, 24th Floor New York City, New York 10036 New York, New York 10281 BofA Securities, Inc. B. Riley Securities, Inc. 1 Bryant Park Tower 299 Park Avenue, 21st Floor New York, New York 10036 New York, Ne

Hecla Reports Fourth Quarter and Full Year 2023 Results

Exhibit 99.1 Hecla Reports Fourth Quarter and Full Year 2023 Results Second highest revenues, silver reserves and production; Expecting silver production growth For The Period Ended: December 31, 2023 COEUR D'ALENE, Idaho-(BUSINESS WIRE)-February 14, 2024-Hecla Mining Company (NYSE:HL) ("Hecla" or the "Company") today announced fourth quarter 2023 financial and operating results. HIGHLIGHTS Silver

Hecla Mining Company Up to 60,000,000 Shares of Common Stock

424B5 Filed pursuant to Rule 424(b)(5) Registration Statement No. 333-262925 Supplement dated February 15, 2024 To Prospectus Supplement dated February 23, 2022 (To Prospectus dated February 23, 2022) Hecla Mining Company Up to 60,000,000 Shares of Common Stock This supplement amends and supplements that certain prospectus supplement, dated February 23, 2022 (the “Prospectus Supplement”), relating

Consent of Sedgmen Canada Ltd.*

EX-23.8 Exhibit 23.8 CONSENT OF QUALIFIED PERSON In connection with the Hecla Mining Company Registration Statement on Form S-3 and any amendments or supplements and/or exhibits thereto (collectively, the “Form S-3”), the undersigned consents to: (i) the incorporation by references and use of the technical report summary titled “S-K 1300 Technical Report Summary on the Keno Hill Operations, Yukon,

Mine safety information listed in Section 1503 of the Dodd-Frank Act. *

Exhibit 95 Mine Safety Disclosures Our mines are operated subject to the regulation of the Federal Mine Safety and Health Administration (“MSHA”), under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”).

Technical Report Summary on the Casa Berardi Mine, Northwestern Québec, Canada. *

EX-96.3 20 hl-ex963.htm EX-96.3 Exhibit 96.3 Technical Report Summary on the Casa Berardi Mine, Northwestern Québec, Canada Technical Report RSI-M0206.22001 respec.com Prepared For Hecla Mining Company 6500 North Mineral Drive, Suite 200 Coeur d’Alene, Idaho, USA, 83815 February 2024 respec.com Technical Report Summary On the Casa Berardi Mine, Northwestern Québec, Canada TECHNICAL Report RSI-M020

Technical Report Summary of the Keno Hill Mine, Yukon Territory, Canada. *

Exhibit 96.4 S-K 1300 Technical Report Summary on the Keno Hill Mine, Yukon, Canada S-K 1300 Technical Report Summary on the Keno Hill Mine, Yukon, Canada S-K 1300 Technical Report Summary on the Keno Hill Mine, Yukon, Canada Prepared by: Mining Plus Canada Ltd. 999 Canada Pl, Suite 504 Vancouver, B.C., Canada Canada V6C 3E1 Prepared for: Hecla Mining Company 6500 N. Mineral Drive, Suite 200 Coeur

Registration Rights Agreement, dated as of August 18, 2020, among Hecla Mining Company, as Issuer, and the Hecla Mining Company Retirement Plan Trust, which is the funding vehicle for the Hecla Mining Company Retirement Plan, a tax-qualified employee benefit pension plan sponsored by Hecla Mining Company, and the Lucky Friday Pension Plan Trust, which is the funding vehicle for the Lucky Friday Pension Plan.*

EX-4.1(a) Exhibit 4.1(a) REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement (this “Agreement”) is entered into as of August 18, 2020 by and among Hecla Mining Company, a Delaware corporation (the “Company”), as sponsor of the Hecla Mining Company Retirement Plan (the “Retirement Plan”), Hecla Limited, a Delaware corporation (“Hecla Limited”), as sponsor of the Lucky Friday Pension Pl

Consent of Qualified Person for Technical Report Summary of Keno Hill Mine. *

Exhibit 23.8 CONSENT OF QUALIFIED PERSON In connection with the Hecla Mining Company Annual Report on Form 10-K for the year ended December 31, 2023 and any amendments or supplements and/or exhibits thereto (collectively, the “Form 10-K”), the undersigned consents to: (i) the filing and use of the technical report summary titled “S-K 1300 Technical Report Summary on the Keno Hill Operations, Yukon

Hecla Mining Company Incentive-Based Compensation Recovery Policy. *

EXHIBIT 97 HECLA MINING COMPANY INCENTIVE-BASED COMPENSATION RECOVERY POLICY 1. Policy Purpose. The purpose of this Hecla Mining Company (the “Company”) Incentive-Based Compensation Recovery Policy (this “Policy”) is to enable the Company to recover Erroneously Awarded Compensation in the event that the Company is required to prepare an Accounting Restatement. This Policy is intended to comply wit

Consent of Baoyao Tang P.Eng.*

EX-23.10 Exhibit 23.10 CONSENT OF QUALIFIED PERSON In connection with the Hecla Mining Company Registration Statement on Form S-3 and any amendments or supplements and/or exhibits thereto (collectively, the “Form S-3”), the undersigned consents to: (i) the incorporation by references and use of the technical report summary titled “S-K 1300 Technical Report Summary on the Keno Hill Operations, Yuko

Consent of Mining Plus Canada Ltd.*

EX-23.7 Exhibit 23.7 CONSENT OF QUALIFIED PERSON In connection with the Hecla Mining Company Registration Statement on Form S-3 and any amendments or supplements and/or exhibits thereto (collectively, the “Form S-3”), the undersigned consents to: (i) the incorporation by references and use of the technical report summary titled “S-K 1300 Technical Report Summary on the Keno Hill Operations, Yukon,

Contribution Agreement, dated as of August 18, 2020, among Hecla Mining Company, as sponsor of the Hecla Mining Company Retirement Plan, the Retirement Committee, as the named fiduciary of the Hecla Mining Company Retirement Plan, and U.S. Bank National Association, as trustee of the Hecla Mining Company Retirement Plan Trust.*

EX-99.1 Exhibit 99.1 CONTRIBUTION AGREEMENT This Contribution Agreement (this “Agreement”) is entered into as of August 18, 2020, by and among Hecla Mining Company, a Delaware corporation (the “Company”) as sponsor of the Hecla Mining Company Retirement Plan (the “Plan”), the Hecla Mining Company Retirement Committee (“Committee”), as the named Plan fiduciary acting for and on behalf of the Plan,

Contribution Agreement, dated as of October 16, 2023, among Hecla Mining Company, as sponsor of the Hecla Mining Company Retirement Plan, the Retirement Committee, as the named fiduciary of the Hecla Mining Company Retirement Plan, and U.S. Bank National Association, as trustee of the Hecla Mining Company Retirement Plan Trust.*

EX-99.3 EXHIBIT 99.3 CONTRIBUTION AGREEMENT This Contribution Agreement (this “Agreement”) is entered into as of October 16th, 2023, by and among Hecla Mining Company, a Delaware corporation (the “Company”) as sponsor of the Hecla Mining Company Retirement Plan (the “Plan”), the Hecla Mining Company Retirement Committee (“Committee”), as the named Plan fiduciary acting for and on behalf of the Pla

Consent of Matthew Blattman P.E.*

EX-23.9 Exhibit 23.9 CONSENT OF QUALIFIED PERSON In connection with the Hecla Mining Company Registration Statement on Form S-3 and any amendments or supplements and/or exhibits thereto (collectively, the “Form S-3”), the undersigned consents to: (i) the incorporation by references and use of the technical report summary titled “S-K 1300 Technical Report Summary on the Keno Hill Operations, Yukon,

Registration Rights Agreement, dated as of October 16, 2023, among Hecla Mining Company, as Issuer, and Hecla Mining Company Retirement Plan Trust, which is the funding vehicle for the Hecla Mining Company Retirement Plan, a tax-qualified employee benefit pension plan sponsored by Hecla Mining Company, and the Lucky Friday Pension Plan Trust, which is the funding vehicle for the Lucky Friday Pension Plan. *

Exhibit 4.2 REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement (this “Agreement”) is entered into as of October 16th , 2023 by and among Hecla Mining Company, a Delaware corporation (the “Company”), as sponsor of the Hecla Mining Company Retirement Plan (the “Retirement Plan”), Hecla Limited, a Delaware corporation (“Hecla Limited”), as sponsor of the Lucky Friday Pension Plan (“LF P

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 14, 2024 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission Fil

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file No. 1-8491 HECLA MINING COMPANY (Exact name

Contribution Agreement, dated as of August 18, 2020, among Hecla Mining Company, Hecla Limited as sponsor of the Lucky Friday Pension Plan, the Pension Committee, as the named fiduciary of the Lucky Friday Pension Plan, and U.S. Bank National Association, as trustee of the Hecla Mining Company Retirement Plan Trust.*

EX-99.2 Exhibit 99.2 CONTRIBUTION AGREEMENT This Contribution Agreement (this “Agreement”) is entered into as of August 18, 2020, by and among Hecla Mining Company, a Delaware corporation (the “Company”) , Hecla Limited, a Delaware corporation (“Hecla Limited”), a wholly owned subsidiary of the Company and sponsor of the Lucky Friday Pension Plan (the “Plan”), the Hecla Mining Company Pension Comm

Consent of Qualified Person for Technical Report Summary of Keno Hill Mine. *

Exhibit 23.9 CONSENT OF QUALIFIED PERSON In connection with the Hecla Mining Company Annual Report on Form 10-K for the year ended December 31, 2023 and any amendments or supplements and/or exhibits thereto (collectively, the “Form 10-K”), the undersigned consents to: (i) the filing and use of the technical report summary titled “S-K 1300 Technical Report Summary on the Keno Hill Operations, Yukon

List of subsidiaries of Registrant. *

SUBSIDIARIES Exhibit 21 Name State/Country of Incorporation Ownership Percentage Hecla Limited Delaware 100% Hecla Admiralty Company Hecla Greens Creek Mining Company Hecla Juneau Mining Company Delaware Delaware Delaware 100% 100% 100% Hecla Alaska LLC Delaware 100% Hecla Canada Ltd.

Hecla Mining Company Policy on Insider Trading. *

HECLA MINING COMPANY Exhibit 19 CORPORATE POLICY Policy on Insider Trading (January 20, 2023) This Insider Trading Policy provides the standards of Hecla Mining Company (the “Company” or “Hecla”) on trading and causing the trading of the Company’s securities or securities of other publicly-traded companies while in possession of confidential information.

Filing Fee Table*

EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables Form S-3 ASR (Form Type) Hecla Mining Company (Exact Name of Registrant as Specified in its Charter) Table 1—Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount to be Registered (1) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Equity Common Stock, par value $0.

Contribution Agreement, dated as of October 16, 2023, among Hecla Mining Company, Hecla Limited as sponsor of the Lucky Friday Pension Plan, the Pension Committee, as the named fiduciary of the Lucky Friday Pension Plan, and U.S. Bank National Association, as trustee of the Hecla Mining Company Retirement Plan Trust.*

EX-99.4 EXHIBIT 99.4 CONTRIBUTION AGREEMENT This Contribution Agreement (this “Agreement”) is entered into as of October 16th, 2023, by and among Hecla Mining Company, a Delaware corporation (the “Company”) , Hecla Limited, a Delaware corporation (“Hecla Limited”), a wholly owned subsidiary of the Company and sponsor of the Lucky Friday Pension Plan (the “Plan”), the Hecla Mining Company Pension C

HECLA REPORTS EXPLORATION RESULTS AND RESERVES Second highest silver reserve and largest gold resource in company history February 13, 2024

Exhibit 99.1 NEWS RELEASE HECLA REPORTS EXPLORATION RESULTS AND RESERVES Second highest silver reserve and largest gold resource in company history FOR IMMEDIATE RELEASE February 13, 2024 COEUR D’ALENE, IDAHO — Hecla Mining Company (NYSE:HL) today reported exploration results and year end reserves. The exploration program has resulted in the second highest silver reserves and the largest gold reso

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 13, 2024 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

HL / Hecla Mining Company / Wheaton Precious Metals Corp. - AMENDMENT NO. 1 Passive Investment

SC 13G/A 1 eh24044821413ga1-hecla.htm AMENDMENT NO. 1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Hecla Mining Company (Name of Issuer) Common Stock, par value $0.25 per share (Title of Class of Securities) 422704106 (CUSIP Number) December 31, 2023 (Date of Event which Requires Filing of this Sta

HL / Hecla Mining Company / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01098-heclaminingco.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 12)* Name of issuer: Hecla Mining Co Title of Class of Securities: Common Stock CUSIP Number: 422704106 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the

HL / Hecla Mining Company / DIMENSIONAL FUND ADVISORS LP - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 7 )* Hecla Mining Co (Name of Issuer) Common Stock (Title of Class of Securities) 422704106 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to des

HL / Hecla Mining Company / BlackRock Inc. Passive Investment

SC 13G/A 1 us4227041062012624.txt us4227041062012624.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 14) HECLA MINING COMPANY - (Name of Issuer) Common Stock - (Title of Class of Securities) 422704106 - (CUSIP Number) December 31, 2023 - (Date of Event Which Requires Filing of this Statement) Check the appropriate

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 10, 2024 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

HECLA ANNOUNCES 2023 PRODUCTION Lucky Friday restarts production January 10, 2024

Exhibit 99.1 NEWS RELEASE HECLA ANNOUNCES 2023 PRODUCTION Lucky Friday restarts production FOR IMMEDIATE RELEASE January 10, 2024 COEUR D’ALENE, IDAHO — Hecla Mining Company (NYSE:HL) today announced its preliminary silver and gold production for the fourth quarter and full year 2023. HIGHLIGHTS • Silver production of 14.3 million ounces exceeded 2022 production of 14.2 million ounces, despite the

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to .

Hecla Reports Third Quarter 2023 Results

Exhibit 99.1 Hecla Reports Third Quarter 2023 Results For The Period Ended: September 30, 2023 COEUR D'ALENE, Idaho-(BUSINESS WIRE)-November 6, 2023-Hecla Mining Company (NYSE:HL) today announced third quarter 2023 operating and financial results. THIRD QUARTER HIGHLIGHTS Operational Produced 3.5 million ounces of silver and 11.4 million ounces year to date ("YTD"). Continued ramping up Keno Hill,

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 6, 2023 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File

Mine safety information listed in Section 1503 of the Dodd-Frank Act.

Exhibit 95 Mine Safety Disclosures Our mines are operated subject to the regulation of the Federal Mine Safety and Health Administration (“MSHA”), under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”).

HECLA ANNOUNCES THIRD QUARTER PRODUCTION On track to achieve updated production guidance October 12, 2023

Exhibit 99.1 NEWS RELEASE HECLA ANNOUNCES THIRD QUARTER PRODUCTION On track to achieve updated production guidance FOR IMMEDIATE RELEASE October 12, 2023 COEUR D’ALENE, IDAHO — Hecla Mining Company (NYSE:HL) today announced its preliminary silver and gold production for the third quarter and first nine months of 2023. HIGHLIGHTS Year to Date 2023 compared to YTD 2022 • Silver production increased

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 12, 2023 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

EX-99.2

E HECLA MINING COMPANY NYSE: HL Exhibit 99.2 GUIDANCE – STRONG SILVER PRODUCTION GROWTH GOLD FORUM AMERICAS September 2023 Silver Production (Moz) Gold Production (Koz) Silver Equivalent (Moz) Gold Equivalent (Koz) Previous Current Previous Current Previous Current Consolidated 2023 Total 14.5 - 15.5** 160 - 170 140 - 160 40.0 – 43.0 36.5 – 39.0 505 - 535 440 - 470 Production Outlook 2024 Total 17

HECLA ANNOUNCES LUCKY FRIDAY UPDATE September 18, 2023

Exhibit 99.1 NEWS RELEASE HECLA ANNOUNCES LUCKY FRIDAY UPDATE FOR IMMEDIATE RELEASE September 18, 2023 COEUR D’ALENE, IDAHO — Hecla Mining Company (NYSE:HL) announced an update regarding the Lucky Friday mine on the previously reported fire in the mine’s secondary egress, the #2 shaft. The fire has been extinguished, normal ventilation has been established, and the workforce has been recalled. The

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 18, 2023 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 21, 2023 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

HECLA ANNOUNCES LUCKY FRIDAY UPDATE August 21, 2023

Exhibit 99.1 NEWS RELEASE HECLA ANNOUNCES LUCKY FRIDAY UPDATE FOR IMMEDIATE RELEASE August 21, 2023 COEUR D’ALENE, IDAHO — Hecla Mining Company (NYSE:HL) announced an update on the Lucky Friday mine. A fall of ground occurred in the mine’s #2 shaft, a secondary egress, at an unused station that was under repair. While a full inspection has not occurred, the failure appears to be caused by a fire t

Hecla Reports Second Quarter 2023 Results

Exhibit 99.1 Hecla Reports Second Quarter 2023 Results Strong silver free cash flow generation affirming silver guidance COEUR D'ALENE, Idaho-(BUSINESS WIRE)-August 8, 2023-Hecla Mining Company (NYSE:HL) today announced second quarter 2023 financial and operating results. SECOND QUARTER HIGHLIGHTS Operational Produced 3.8 million ounces of silver, 7.9 million ounces in the first half of the year;

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to .

Mine safety information listed in Section 1503 of the Dodd-Frank Act.

Exhibit 95 Mine Safety Disclosures Our mines are operated subject to the regulation of the Federal Mine Safety and Health Administration (“MSHA”), under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 8, 2023 HECLA MINING COMPA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 8, 2023 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File N

HECLA ANNOUNCES SECOND QUARTER PRODUCTION Keno Hill begins ramp-up, Lucky Friday reports highest quarterly silver production in more than 20 years July 13, 2023

EX-99.1 Exhibit 99.1 NEWS RELEASE HECLA ANNOUNCES SECOND QUARTER PRODUCTION Keno Hill begins ramp-up, Lucky Friday reports highest quarterly silver production in more than 20 years FOR IMMEDIATE RELEASE July 13, 2023 COEUR D’ALENE, IDAHO — Hecla Mining Company (NYSE:HL) today announced its preliminary silver and gold production for the second quarter and first half of 2023. HIGHLIGHTS Year to Date

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 13, 2023 HECLA MINING COMPANY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 13, 2023 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

HECLA COMPLETES ACQUISITION OF ATAC RESOURCES AND RESTARTS CASA BERARDI July 10, 2023

EX-99.1 Exhibit 99.1 NEWS RELEASE HECLA COMPLETES ACQUISITION OF ATAC RESOURCES AND RESTARTS CASA BERARDI FOR IMMEDIATE RELEASE July 10, 2023 COEUR D’ALENE, IDAHO — Hecla Mining Company (NYSE:HL) (“Hecla”) and ATAC Resources Ltd. (TSX:ATC) (“ATAC”) announced today the completion of the ATAC acquisition. “With the ATAC acquisition, we continue to execute our strategy of acquiring large land package

Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 7, 2023 HECLA MINING COMPANY (Exact Name of Registrant as Specified in Its Charter) Delaware 1-8491 77-0664171 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2022 Commission File No. 1-8491 A. Full title of the plan and the address of the plan, if different from that of the issuer named below: HECLA MINING COMPANY CAPITAL ACCUMULATION

Restated Certificate of Incorporation of the Registrant. Filed as exhibit 3.1 to Registrant’s Current Report on Form 8-K filed on May 26, 2023 (File No. 1-8491) and incorporated herein by reference.

EX-3.1 Exhibit 3.1 RESTATED CERTIFICATE OF INCORPORATION OF HECLA MINING COMPANY ARTICLE I. Name The name of the Corporation shall be HECLA MINING COMPANY. ARTICLE II. Registered Office The address of the registered office of the Corporation in the State of Delaware is 251 Little Falls Drive, in the City of Wilmington, County of New Castle, Delaware 19808. The name of its registered agent at such

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 23, 2023 HECLA MINING COMPANY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 23, 2023 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File Num

Bylaws of the Registrant as amended to date. Filed as exhibit 3.2 to Registrant’s Current Report on Form 8-K filed on May 26, 2023 (File No. 1-8491) and incorporated herein by reference.

EX-3.2 Exhibit 3.2 BYLAWS of HECLA MINING COMPANY (a Delaware corporation) (Adopted August 8, 2006; Amended November 8, 2006; Amended August 1, 2007; Amended December 3, 2007; Amended August 19, 2014; Amended December 4, 2016; Amended December 10, 2019; Amended February 26, 2021; Amended August 21, 2021; Amended December 9, 2022; Amended May 23, 2023) ARTICLE I. Offices Section 1. Registered Offic

Mine safety information listed in Section 1503 of the Dodd-Frank Act.

Exhibit 95 Mine Safety Disclosures Our mines are operated subject to the regulation of the Federal Mine Safety and Health Administration (“MSHA”), under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”).

Hecla Reports First Quarter 2023 Results

Exhibit 99.1 Hecla Reports First Quarter 2023 Results Second highest silver revenues in company history COEUR D'ALENE, Idaho-(BUSINESS WIRE)-May 10, 2023-Hecla Mining Company (NYSE:HL) today announced first quarter 2023 financial and operating results. FIRST QUARTER HIGHLIGHTS Operational Produced 4.0 million ounces of silver, a 10% increase over the fourth quarter of 2022 and more than any quarte

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to .

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 10, 2023 HECLA MINING COMPANY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 10, 2023 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File Num

Second Supplemental Indenture, dated as of February 6, 2023, among Hecla Mining Company, as Issuer, certain subsidiaries of Hecla Mining Company, as Guarantors hereto, and the Bank of New York Mellon Trust, N.A., as Trustee. Filed as exhibit 4.1(c) to Registrant’s Form 10-Q for the quarter ended March 31, 2023, filed on April 10, 2023 (File No. 1-8491) and incorporated herein by reference.

Exhibit 4.1(c) SUPPLEMENTAL INDENTURE SUPPLEMENTAL INDENTURE (this “Joining Supplemental Indenture”), dated as of February 6, 2023 among ALEXCO RESOURCE CORP., a corporation existing under the laws of the Province of British Columbia (the “Guaranteeing Subsidiary”), a subsidiary of Hecla Mining Company (or its permitted successor), a Delaware corporation (the “Company”), the other Guarantors (as d

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 13, 2023 HECLA MINING COMPANY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 13, 2023 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

HECLA ANNOUNCES FIRST QUARTER PRODUCTION 10% increase in silver production over Q4 2022 April 13, 2023

EX-99.1 Exhibit 99.1 NEWS RELEASE HECLA ANNOUNCES FIRST QUARTER PRODUCTION 10% increase in silver production over Q4 2022 FOR IMMEDIATE RELEASE April 13, 2023 COEUR D’ALENE, IDAHO — Hecla Mining Company (NYSE:HL) today announced its preliminary silver and gold production and progress on Keno Hill for the first quarter of 2023.1 HIGHLIGHTS (1st Quarter 2023 compared to 4th Quarter 2022) • 10% incre

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy Statement ☐ Definitive Additional Materials ☐ Soliciting Material Pursuant to Section 240.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy Statement ☒ Definitive Additional Materials ☐ Soliciting Material Pursuant to Section 240.

ANNUAL REPORT TO SECURITY HOLDERS

2022 Annual Report THE CLEAN ENERGY FUTURE : OUR SILVER OPPORTUNITYThe world is changing.

HECLA SIGNS DEFINITIVE AGREEMENT TO ACQUIRE ATAC RESOURCES April 6, 2023

EX-99.1 Exhibit 99.1 NEWS RELEASE HECLA SIGNS DEFINITIVE AGREEMENT TO ACQUIRE ATAC RESOURCES FOR IMMEDIATE RELEASE April 6, 2023 COEUR D’ALENE, IDAHO — Hecla Mining Company (NYSE:HL) (“Hecla” or the “Company”) is pleased to announce that the Company has entered into a definitive agreement (the “Arrangement Agreement”) with ATAC Resources Ltd. (“ATAC”) to acquire ATAC and its Rackla and Connaught p

Arrangement Agreement dated as of April 5, 2023, by and among Hecla Mining Company, Alexco Resource Corp. and ATAC Resources Ltd. filed as exhibit 2.1 to our Current Report on Form 8-K filed on April 6, 2023 (File No. 1-8491) and incorporated herein by reference.

EX-2.1 Exhibit 2.1 HECLA MINING COMPANY - and - ALEXCO RESOURCE CORP. - and - ATAC RESOURCES LTD. April 5, 2023 ARRANGEMENT AGREEMENT TABLE OF CONTENTS ARTICLE 1 INTERPRETATION 2 1.1 DEFINITIONS 2 1.2 CURRENCY 22 1.3 INTERPRETATION NOT AFFECTED BY HEADINGS 22 1.4 EXTENDED MEANINGS, ETC. 22 1.5 DATE OF ANY ACTION; COMPUTATION OF TIME 22 1.6 SCHEDULES 23 ARTICLE 2 THE ARRANGEMENT 23 2.1 THE ARRANGEM

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 5, 2023 HECLA MINING COMPANY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 5, 2023 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

Description of Securities. Filed as exhibit 4.4 to Registrant’s Form 10-K for the year ended December 31, 2022 (File No. 1-8491) and incorporated herein by reference.

Exhibit 4.4 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of December 31, 2022, Hecla Mining Company (“we,” “us,” “Hecla” or the “Company”) has two classes of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), our Common Stock and Series B Cumulative Convertible Pre

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file No. 1-8491 HECLA MINING COMPANY (Exact name

Mine safety information listed in Section 1503 of the Dodd-Frank Act. *

Exhibit 95 Mine Safety Disclosures Our mines are operated subject to the regulation of the Federal Mine Safety and Health Administration (“MSHA”), under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”).

List of subsidiaries of Registrant. *

Exhibit 21 SUBSIDIARIES Name State/Country of Incorporation Ownership Percentage Hecla Limited Delaware 100% Hecla Admiralty Company Hecla Greens Creek Mining Company Hecla Juneau Mining Company Delaware Delaware Delaware 100% 100% 100% Hecla Alaska LLC Delaware 100% Hecla Canada Ltd.

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 15, 2023 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission Fil

Hecla Reports Fourth Quarter and Full-Year 2022 Results

Exhibit 99.1 Hecla Reports Fourth Quarter and Full-Year 2022 Results 10% silver production growth in 2022; Expect 18% growth in 2023 and 35% by 2025; Silver cost guidance achieved with 2023 set at similar levels COEUR D'ALENE, Idaho-(BUSINESS WIRE)-February 15, 2023-Hecla Mining Company (NYSE:HL) today announced fourth quarter and full-year 2022 financial and operating results. ANNUAL HIGHLIGHTS S

HL / Hecla Mining Company / VAN ECK ASSOCIATES CORP Passive Investment

SC 13G/A 1 harmonygold13ga.htm SC 13G/A 1 schedule13g.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.13)* Hecla Mining Co. (Name of Issuer) COMMON SHARES (Title of Class of Securities) 422704106 (CUSIP Number) December 31, 2022 - Year End Filing (Date of Event Which Requires Filing of this Statement)

HECLA REPORTS HIGHEST SILVER RESERVES IN COMPANY HISTORY Silver reserves increase by 21% to more than 240 million ounces February 14, 2023

Exhibit 99.1 NEWS RELEASE HECLA REPORTS HIGHEST SILVER RESERVES IN COMPANY HISTORY Silver reserves increase by 21% to more than 240 million ounces FOR IMMEDIATE RELEASE February 14, 2023 COEUR D’ALENE, IDAHO — Hecla Mining Company (NYSE:HL) today reported the highest silver reserves in its more than 130-year history and provided an update on its exploration programs during the fourth quarter 2022

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 14, 2023 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

HL / Hecla Mining Company / VAN ECK ASSOCIATES CORP Passive Investment

SC 13G/A 1 harmonygold13ga.htm SC 13G/A 1 schedule13g.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.13)* Hecla Mining Co. (Name of Issuer) COMMON SHARES (Title of Class of Securities) 422704106 (CUSIP Number) December 31, 2022 - Year End Filing (Date of Event Which Requires Filing of this Statement)

HL / Hecla Mining Company / DIMENSIONAL FUND ADVISORS LP - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 6 )* Hecla Mining Co (Name of Issuer) Common Stock (Title of Class of Securities) 422704106 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to des

HL / Hecla Mining Company / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01060-heclaminingco.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 11)* Name of issuer: Hecla Mining Co. Title of Class of Securities: Common Stock CUSIP Number: 422704106 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate th

HL / Hecla Mining Company / BlackRock Inc. Passive Investment

SC 13G/A 1 us4227041062013123.txt us4227041062013123.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 13) HECLA MINING COMPANY - (Name of Issuer) Common Stock - (Title of Class of Securities) 422704106 - (CUSIP Number) December 31, 2022 - (Date of Event Which Requires Filing of this Statement) Check the appropriate

HECLA EXCEEDS 2022 SILVER PRODUCTION GUIDANCE 10% increase in silver production over 2021; Keno Hill expected to produce more than 2.5 million ounces in 2023 January 11, 2023

Exhibit 99.1 NEWS RELEASE HECLA EXCEEDS 2022 SILVER PRODUCTION GUIDANCE 10% increase in silver production over 2021; Keno Hill expected to produce more than 2.5 million ounces in 2023 FOR IMMEDIATE RELEASE January 11, 2023 COEUR D’ALENE, IDAHO — Hecla Mining Company (NYSE:HL) today announced its preliminary silver and gold production for the fourth quarter and full year 2022 and certain estimates

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 11, 2023 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

HECLA REPORTS UNION RATIFICATION OF A SIX-YEAR AGREEMENT AT LUCKY FRIDAY January 17, 2023

EX-99.2 3 d410095dex992.htm EX-99.2 Exhibit 99.2 NEWS RELEASE HECLA REPORTS UNION RATIFICATION OF A SIX-YEAR AGREEMENT AT LUCKY FRIDAY FOR IMMEDIATE RELEASE January 17, 2023 COEUR D’ALENE, IDAHO — Hecla Mining Company (NYSE:HL) today announced that the United Steelworkers (USW) Union Local 5114 has ratified the Collective Bargaining Agreement at the Company’s Lucky Friday Mine, located in Mullan,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 9, 2022 HECLA MINING COMPA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 9, 2022 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

Bylaws of Hecla Mining Company, as amended as of December 9, 2022.*

EX-3.1 Exhibit 3.1 BYLAWS of HECLA MINING COMPANY (a Delaware corporation) (Adopted August 8, 2006; Amended November 8, 2006; Amended August 1, 2007; Amended December 3, 2007; Amended August 19, 2014; Amended December 4, 2016; Amended December 10, 2019; Amended February 26, 2021; Amended August 21, 2021; Amended December 9, 2022) ARTICLE I. Offices Section 1. Registered Office. The registered offi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 or ☐ TRANSITION REPORT PURSU

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 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 1-8491 HE

Hecla Reports Third Quarter 2022 Results

Exhibit 99.1 Hecla Reports Third Quarter 2022 Results Positive free cash flow generation from all operations for the first nine months COEUR D'ALENE, Idaho-(BUSINESS WIRE)-November 9, 2022-Hecla Mining Company (NYSE:HL) today announced third quarter 2022 financial and operating results. THIRD QUARTER HIGHLIGHTS Record throughput at Greens Creek; Lucky Friday produced 1 million silver ounces for tw

Mine safety information listed in Section 1503 of the Dodd-Frank Act. *

EX-95 Exhibit 95 Mine Safety Disclosures Our mines are operated subject to the regulation of the Federal Mine Safety and Health Administration (“MSHA”), under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”).

Stream Termination Agreement dated as of July 4, 2022, by and between Hecla Mining Company and Wheaton Precious Metals Corp. *

EX-10.3 Exhibit 10.3 Execution Version STREAM TERMINATION AGREEMENT HECLA MINING COMPANY and WHEATON PRECIOUS METALS CORP. July 4, 2022 STREAM TERMINATION AGREEMENT THIS AGREEMENT made as of July 4, 2022 B E T W E E N: HECLA MINING COMPANY, a corporation incorporated under the laws of the State of Delaware (“Hecla”) - and - WHEATON PRECIOUS METALS CORP., a corporation existing under the laws of th

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Current Report Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 9, 2022 HECLA MINING COMPA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Current Report Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 9, 2022 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

HECLA ANNOUNCES Q3 2022 PRODUCTION AND INCREASES GUIDANCE Alexco acquisition is complete, Keno Hill development advancing October 11, 2022

Exhibit 99.1 NEWS RELEASE HECLA ANNOUNCES Q3 2022 PRODUCTION AND INCREASES GUIDANCE Alexco acquisition is complete, Keno Hill development advancing FOR IMMEDIATE RELEASE October 11, 2022 COEUR D'ALENE, IDAHO - Hecla Mining Company (NYSE: HL) today announced its preliminary production results for the third quarter of 2022 and increased silver and gold production guidance.1 HIGHLIGHTS ? Silver produ

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 11, 2022 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 1-8491 77-0664171 (State or other jurisdiction of incorporation) (Commission File

As filed with the Securities and Exchange Commission on September 14, 2022

Table of Contents As filed with the Securities and Exchange Commission on September 14, 2022 Registration No.

Filing Fee Table*

Exhibit 107 Calculation of Filing Fee Tables Form S-3 ASR (Form Type) Hecla Mining Company (Exact Name of Registrant as Specified in its Charter) Table 1?Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount to be Registered (1) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Equity Common Stock, par value $0.

HL / Hecla Mining Company / Wheaton Precious Metals Corp. - SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Hecla Mining Company (Name of Issuer) Common Stock, par value $0.25 per share (Title of Class of Securities) 422704106 (CUSIP Number) September 7, 2022 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule

HECLA COMPLETES ACQUISITION OF ALEXCO RESOURCE CORP September 7, 2022

Exhibit 99.1 NEWS RELEASE HECLA COMPLETES ACQUISITION OF ALEXCO RESOURCE CORP FOR IMMEDIATE RELEASE September 7, 2022 COEUR D'ALENE, IDAHO - Hecla Mining Company (NYSE:HL) (Hecla) and Alexco Resource Corp. (NYSE American:AXU; TSX:AXU) (Alexco) announced today completion of the Alexco acquisition. ?With the world?s increasing demand for silver for clean energy, Hecla is helping meet that demand as

Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 7, 2022 HECLA MINING COMPANY (Exact Name of Registrant as Specified in Its Charter) Delaware 1-8491 77-0664171 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.

Assignment and Amendment Agreement dated as of July 25, 2022, among Hecla Mining Company, Alexco Resource Corp., and 1080980 B.C. Ltd. Filed as exhibit 10.2 to our Quarterly Report on Form 10-Q for the quarter ended June 30, 2022 (File No. 1-8491) and incorporated herein by reference.

EX-10.2 3 ex404325.htm EXHIBIT 10.2 Exhibit 10.2 ASSIGNMENT AND AMENDMENT AGREEMENT THIS ASSIGNMENT AND AMENDMENT AGREEMENT dated July 25, 2022 (the “Amendment Agreement”), BETWEEN: Hecla Mining Company, a corporation existing under the laws of the State of Delaware (the “Assignor”) - and - Alexco Resource Corp., a corporation existing under the laws of the Province of British Columbia (“Alexco”)

Mine safety information listed in Section 1503 of the Dodd-Frank Act. *

Exhibit 95 Mine Safety Disclosures Our mines are operated subject to the regulation of the Federal Mine Safety and Health Administration (?MSHA?), under the Federal Mine Safety and Health Act of 1977 (the ?Mine Act?).

Contribution Agreement, dated as of May 19, 2022, among Hecla Mining Company, Hecla Limited as sponsor of the Lucky Friday Pension Plan, the Pension Committee, as the named fiduciary of the Lucky Friday Pension Plan, and U.S. Bank National Association, as trustee of the Hecla Mining Company Retirement Plan Trust. *

EX-99.2 10 ex404324.htm EXHIBIT 99.2 Exhibit 99.2 CONTRIBUTION AGREEMENT This Contribution Agreement (this “Agreement”) is entered into as of May 19th, 2022, by and among Hecla Mining Company, a Delaware corporation (the “Company”) , Hecla Limited, a Delaware corporation (“Hecla Limited”), a wholly owned subsidiary of the Company and sponsor of the Lucky Friday Pension Plan (the “Plan”), the Hecla

Registration Rights Agreement, dated as of May 19, 2022, among Hecla Mining Company, as Issuer, and Hecla Mining Company Retirement Plan Trust, which is the funding vehicle for the Hecla Mining Company Retirement Plan, a tax-qualified employee benefit pension plan sponsored by Hecla Mining Company, and the Lucky Friday Pension Plan Trust, which is the funding vehicle for the Lucky Friday Pension Plan. Filed as exhibit 4.1 to Registrant’s Form 10-Q for the quarter ended June 30, 2022, filed on August 5, 2022 (File No. 1-8491), and incorporated herein by reference.

Exhibit 4.1 REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement (this ?Agreement?) is entered into as of May 19th, 2022 by and among Hecla Mining Company, a Delaware corporation (the ?Company?), as sponsor of the Hecla Mining Company Retirement Plan (the ?Retirement Plan?), Hecla Limited, a Delaware corporation (?Hecla Limited?), as sponsor of the Lucky Friday Pension Plan (?LF Plan?

Contribution Agreement, dated as of May 19, 2022, among Hecla Mining Company, as sponsor of the Hecla Mining Company Retirement Plan, the Retirement Committee, as the named fiduciary of the Hecla Mining Company Retirement Plan, and U.S. Bank National Association, as trustee of the Hecla Mining Company Retirement Plan Trust.*

Exhibit 99.1 CONTRIBUTION AGREEMENT This Contribution Agreement (this ?Agreement?) is entered into as of May 19th, 2022, by and among Hecla Mining Company, a Delaware corporation (the ?Company?) as sponsor of the Hecla Mining Company Retirement Plan (the ?Plan?), the Hecla Mining Company Retirement Committee (?Committee?), as the named Plan fiduciary acting for and on behalf of the Plan, and U.S.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 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 1-8491 HECLA