HL.PRB / Hecla Mining Company - Preferred Stock - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Hecla Mining Company - Preferred Stock
US ˙ NYSE

Mga Batayang Estadistika
LEI 5493009Y6HOBZD1QD537
CIK 719413
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Hecla Mining Company - Preferred Stock
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
August 20, 2025 8-K

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

August 6, 2025 EX-10.3

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

August 6, 2025 EX-99.1

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.

August 6, 2025 EX-10.2

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

August 6, 2025 EX-95

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”).

August 6, 2025 10-Q

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 .

August 6, 2025 8-K

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

June 24, 2025 11-K

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

May 22, 2025 EX-99.1

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.

May 22, 2025 8-K

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

May 22, 2025 EX-3.1

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

May 1, 2025 EX-95

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”).

May 1, 2025 8-K

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

May 1, 2025 10-Q

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 .

May 1, 2025 EX-99.1

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.

May 1, 2025 EX-10.4

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”).

April 10, 2025 DEF 14A

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.

April 10, 2025 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

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.

March 21, 2025 PRE 14A

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.

February 14, 2025 S-3ASR

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.

February 14, 2025 424B5

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.

February 14, 2025 EX-25.1

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

February 14, 2025 EX-FILING FEES

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.

February 14, 2025 EX-FILING FEES

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.

February 14, 2025 EX-23.10

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

February 14, 2025 EX-23.7

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,

February 14, 2025 8-K

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

February 14, 2025 EX-23.9

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,

February 14, 2025 EX-23.8

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,

February 13, 2025 EX-23.8

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

February 13, 2025 EX-95

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”).

February 13, 2025 EX-23.9

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

February 13, 2025 EX-10.12(C)

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

February 13, 2025 EX-10.12(E)

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

February 13, 2025 EX-10.7

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

February 13, 2025 EX-99.1

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

February 13, 2025 8-K

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

February 13, 2025 10-K

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

February 13, 2025 EX-23.7

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

February 13, 2025 EX-10.13(B)

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

February 13, 2025 POSASR

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.

February 12, 2025 EX-99.1

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

February 12, 2025 8-K

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.

November 7, 2024 EX-23.7

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,

November 7, 2024 S-3ASR

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.

November 7, 2024 EX-23.9

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,

November 7, 2024 EX-23.10

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

November 7, 2024 EX-FILING FEES

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.

November 7, 2024 EX-95

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”).

November 7, 2024 EX-99.1

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

November 7, 2024 10-Q

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 .

November 7, 2024 EX-23.8

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,

November 7, 2024 EX-10.3

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

November 7, 2024 8-K

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

November 4, 2024 EX-99.1

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

November 4, 2024 8-K

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

November 4, 2024 EX-10.3

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

November 4, 2024 EX-10.1

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

October 16, 2024 8-K

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

October 16, 2024 EX-99.1

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

October 3, 2024 8-K

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

September 25, 2024 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)

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

September 25, 2024 EX-99.1

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

September 25, 2024 EX-2.01.INS

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

September 25, 2024 EX-2.01.SCH

XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT

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

August 7, 2024 8-K

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

August 7, 2024 EX-95

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”).

August 7, 2024 10-Q

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 .

August 7, 2024 EX-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

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

July 11, 2024 EX-99.1

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

July 11, 2024 8-K

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.

June 18, 2024 11-K

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

June 7, 2024 EX-10.1

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

June 7, 2024 8-K

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

May 23, 2024 EX-99.1

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

May 23, 2024 8-K

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

May 21, 2024 8-K

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

May 20, 2024 EX-99.1

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”

May 20, 2024 S-3ASR

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.

May 20, 2024 EX-23.10

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

May 20, 2024 EX-23.7

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,

May 20, 2024 EX-23.9

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,

May 20, 2024 EX-FILING FEES

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.

May 20, 2024 8-K

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

May 20, 2024 EX-23.8

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,

May 20, 2024 EX-4.1

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

May 9, 2024 EX-95

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”).

May 9, 2024 10-Q

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 .

May 9, 2024 EX-10.1

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

May 9, 2024 8-K

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

May 9, 2024 EX-99.1

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

April 15, 2024 SC 13G/A

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

April 9, 2024 EX-99.1

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

April 9, 2024 8-K

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.

April 4, 2024 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

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.

April 4, 2024 DEF 14A

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.

February 26, 2024 8-K

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

February 26, 2024 EX-99.1

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

February 15, 2024 EX-23.10

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

February 15, 2024 EX-23.8

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,

February 15, 2024 EX-95

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”).

February 15, 2024 EX-99.4

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

February 15, 2024 EX-FILING FEES

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.

February 15, 2024 EX-19

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.

February 15, 2024 EX-99.3

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

February 15, 2024 EX-23.9

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,

February 15, 2024 EX-99.1

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,

February 15, 2024 EX-23.7

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,

February 15, 2024 EX-97

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

February 15, 2024 EX-96.3

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

February 15, 2024 EX-96.4

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

February 15, 2024 EX-4.1(A)

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

February 15, 2024 EX-21

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.

February 15, 2024 EX-23.9

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

February 15, 2024 EX-99.2

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

February 15, 2024 EX-23.8

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

February 15, 2024 EX-23.7

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

February 15, 2024 EX-1.2

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

February 15, 2024 EX-99.1

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

February 15, 2024 424B5

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

February 15, 2024 10-K

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

February 15, 2024 8-K

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

February 15, 2024 EX-4.2

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

February 15, 2024 S-3ASR

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.

February 14, 2024 8-K

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.

February 14, 2024 EX-99.1

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

February 13, 2024 SC 13G/A

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

February 13, 2024 SC 13G/A

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

February 9, 2024 SC 13G/A

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

January 10, 2024 EX-99.1

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

January 10, 2024 8-K

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.

November 7, 2023 EX-99.1

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,

November 7, 2023 EX-95

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”).

November 7, 2023 10-Q

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 .

November 7, 2023 8-K

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

October 12, 2023 8-K

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.

October 12, 2023 EX-99.1

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

September 18, 2023 8-K

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.

September 18, 2023 EX-99.2

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

September 18, 2023 EX-99.1

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

August 21, 2023 8-K

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.

August 21, 2023 EX-99.1

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

August 9, 2023 8-K

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

August 9, 2023 EX-95

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”).

August 9, 2023 EX-99.1

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;

August 9, 2023 10-Q

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 .

July 13, 2023 EX-99.1

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

July 13, 2023 8-K

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.

July 10, 2023 8-K

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.

July 10, 2023 EX-99.1

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

June 16, 2023 11-K

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

May 26, 2023 EX-3.2

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

May 26, 2023 8-K

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

May 26, 2023 EX-3.1

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

May 10, 2023 EX-4

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

May 10, 2023 8-K

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

May 10, 2023 EX-99.1

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

May 10, 2023 10-Q

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 .

May 10, 2023 EX-95

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”).

April 13, 2023 8-K

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.

April 13, 2023 EX-99.1

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

April 11, 2023 DEF 14A

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.

April 11, 2023 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

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.

April 6, 2023 EX-99.1

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

April 6, 2023 EX-2.1

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

April 6, 2023 8-K

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.

February 17, 2023 EX-21

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.

February 17, 2023 EX-95

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”).

February 17, 2023 EX-4

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

February 17, 2023 10-K

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

February 15, 2023 EX-99.1

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

February 15, 2023 8-K

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

February 14, 2023 EX-99.1

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

February 14, 2023 8-K

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.

February 14, 2023 SC 13G/A

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)

February 14, 2023 SC 13G/A

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)

February 10, 2023 SC 13G/A

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

February 9, 2023 SC 13G/A

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

January 17, 2023 EX-99.1

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

January 17, 2023 EX-99.2

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,

January 17, 2023 8-K

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.

December 15, 2022 EX-3.1

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

December 15, 2022 8-K

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.

November 9, 2022 10-Q

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

November 9, 2022 EX-99.1

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

November 9, 2022 EX-10.3

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

November 9, 2022 EX-95

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”).

November 9, 2022 8-K

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.

October 11, 2022 8-K

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

October 11, 2022 EX-99.1

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

September 14, 2022 EX-FILING FEES

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.

September 14, 2022 S-3ASR

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.

September 13, 2022 SC 13G

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

September 7, 2022 8-K

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.

September 7, 2022 EX-99.1

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

August 5, 2022 EX-95

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?).

August 5, 2022 EX-10.2

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”)

August 5, 2022 10-Q

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

August 5, 2022 EX-99.1

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.

August 5, 2022 EX-4.1

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?

August 5, 2022 EX-99.2

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

August 4, 2022 8-K

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): August 4, 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.

August 4, 2022 8-K/A

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): August 4, 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.

August 4, 2022 425

1

Filed by Hecla Mining Company pursuant to Rule 425 under the Securities Act of 1933 Subject Company: Alexco Resource Corp.

August 4, 2022 EX-99.1

Hecla Reports Second Quarter 2022 Results

Exhibit 99.1 Hecla Reports Second Quarter 2022 Results 9th consecutive quarter of free cash flow generation, consolidated silver guidance affirmed COEUR D'ALENE, Idaho-(BUSINESS WIRE)-August 4, 2022-Please note the addition of "Assay Results" tables at the end of the release. The updated release reads: HECLA REPORTS SECOND QUARTER 2022 RESULTS 9th consecutive quarter of free cash flow generation,

August 4, 2022 425

1

Filed by Hecla Mining Company pursuant to Rule 425 under the Securities Act of 1933 Subject Company: Alexco Resource Corp.

August 4, 2022 EX-99.1

Hecla Reports Second Quarter 2022 Results

Exhibit 99.1 Hecla Reports Second Quarter 2022 Results 9th consecutive quarter of free cash flow generation, consolidated silver guidance affirmed COEUR D'ALENE, Idaho-(BUSINESS WIRE)-August 4, 2022-Hecla Mining Company (NYSE:HL) today announced second quarter 2022 financial and operating results. SECOND QUARTER HIGHLIGHTS Silver and gold production of 3.6 million and 45,719 ounces respectively, a

July 21, 2022 EX-10.1

Credit Agreement dated as of July 21, 2022, 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 the Administrative Agent for the Lenders, and various Lenders. Filed as exhibit 10.1 to Registrant’s Current Report on Form 8-K on July 21, 2022 (File No. 1-8491) and incorporated herein by reference.

Exhibit 10.1 Published CUSIP Numbers: Deal: 42270KAD2 Revolver: 42270KAE0 CREDIT AGREEMENT Dated as of July 21, 2022 among HECLA MINING COMPANY, as the Parent, CERTAIN SUBSIDIARIES OF THE PARENT PARTY HERETO, as Borrowers or Guarantors, BANK OF AMERICA, N.A., as Administrative Agent, Swingline Lender and L/C Issuer, and THE LENDERS PARTY HERETO BOFA SECURITIES, INC., as Sole Lead Arranger and Sole

July 21, 2022 8-K

Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

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 21, 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 Nu

July 20, 2022 EX-99.1

WORKING TO DAYLIGHT SIGNIFICANT VALUE RESPONSIBLE. SAFE. INNOVATIVE. l * Source – Fraser Institute Annual Survey of Mining Companies 2021 Short-term goals are small steps towards the long-term objective of S&P 500 inclusion Operational Improvements A

Exhibit 99.1 WORKING TO DAYLIGHT SIGNIFICANT VALUE RESPONSIBLE. SAFE. INNOVATIVE. l * Source ? Fraser Institute Annual Survey of Mining Companies 2021 Short-term goals are small steps towards the long-term objective of S&P 500 inclusion Operational Improvements Advancing Exploration & Development Casa Berardi: attempting to overcome inflation pressures particularly diesel Greens Creek: increasing

July 20, 2022 8-K

Regulation FD Disclosure, 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): July 20, 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 Nu

July 20, 2022 425

Filed by Hecla Mining

Filed by Hecla Mining Company pursuant to Rule 425 under the Securities Act of 1933 Subject Company: Alexco Resource Corp.

July 19, 2022 EX-99.3

[Signature page follows] - 2 -

Exhibit 3 July 16, 2022 Alexco Resource Corp. Suite 1225, Two Bentall Centre, Box 216 555 Burrard Street Vancouver, British Columbia V7X 1M9 Attention: Mike Clark Email: [email protected] Re: Amendment to the Bridge Loan Agreement Reference is made to the arrangement agreement dated July 4, 2022 (the ?Arrangement Agreement?) pursuant to which Hecla Mining Company (?Hecla?) agreed to acquir

July 19, 2022 EX-99.2

BRIDGE LOAN AGREEMENT

Exhibit 2 Execution Copy BRIDGE LOAN AGREEMENT THIS BRIDGE LOAN AGREEMENT is made as of July 4, 2022.

July 19, 2022 EX-99.4

VOTING SUPPORT AGREEMENT

Exhibit 4 VOTING SUPPORT AGREEMENT THIS AGREEMENT is made as of [?], 2022 BETWEEN: [NAME], an individual resident in [?] (the ?Shareholder?) - and - HECLA MINING COMPANY, a corporation existing under the laws of the State of Delaware (?Hecla?) WHEREAS the Shareholder is the beneficial owner of [?] Alexco Shares (the ?Subject Shares?), [?] Alexco Options, [?] Alexco DSUs and [?] Alexco RSUs (together with the Subject Shares, the ?Subject Securities?) in the issued and outstanding share capital of Alexco Resource Corp.

July 19, 2022 SC 13D

AXU / Alexco Resource Corp. (USA) / HECLA MINING CO/DE/ - SC 13D Activist Investment

SC 13D SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO §240.

July 12, 2022 8-K

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): July 12, 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.

July 12, 2022 EX-99.1

Hecla Announces Q2 2022 Production

Exhibit 99.1 Hecla Announces Q2 2022 Production 10% Increase in Silver Production Driven by Record Lucky Friday Throughput COEUR D'ALENE, Idaho-(BUSINESS WIRE)-July 12, 2022-Hecla Mining Company (NYSE: HL) today announced its preliminary production for the second quarter of 2022.1 HIGHLIGHTS Silver production of 3.6 million ounces, an increase of 10% over the first quarter of 2022 due to record th

July 5, 2022 EX-2.1

Arrangement Agreement dated as of July 4, 2022, by and among Hecla Mining Company, Hecla Canada Ltd., 1080980 B.C. Ltd. And Alexco Resource Corp. Filed as exhibit 2.1 to our Current Report on Form 8-K filed on July 5, 2022 (File No. 1-8491) and incorporated herein by reference.

Exhibit 2.1 EXECUTION VERSION HECLA MINING COMPANY AND ALEXCO RESOURCE CORP. ARRANGEMENT AGREEMENT Dated July 4, 2022 ARTICLE 1 INTERPRETATION 1 1.1 Definitions 1 1.2 Interpretation Not Affected by Headings 15 1.3 Number and Gender 16 1.4 Date for Any Action 16 1.5 Statutory References 16 1.6 Currency 16 1.7 Accounting Matters 16 1.8 Knowledge 16 1.9 Disclosure Letter 16 1.10 Schedules 16 ARTICLE

July 5, 2022 425

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 4, 2022 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): July 4, 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 Num

July 5, 2022 8-K

Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities, 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): July 4, 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 Num

July 5, 2022 EX-99.1

HECLA ACQUIRES ALEXCO RESOURCE America’s largest and highest-grade silver producer adding Canada’s largest and highest-grade silver reserve July 5, 2022

Exhibit 99.1 2022-12 NEWS RELEASE HECLA ACQUIRES ALEXCO RESOURCE America?s largest and highest-grade silver producer adding Canada?s largest and highest-grade silver reserve FOR IMMEDIATE RELEASE July 5, 2022 COEUR D?ALENE, IDAHO ? Hecla Mining Company (NYSE:HL) (Hecla) and Alexco Resource Corp. (NYSE American:AXU; TSX:AXU) (Alexco) are pleased to announce a definitive agreement for Hecla to acqui

July 5, 2022 EX-99.2

Highly Prospective and Top-Rated Mining Jurisdiction Alignment in Environmental and Community Stewardship Increase Throughput and/or Lower Costs Long Mine Life ALEXCO KENO HILL SILVER DISTRICT ACQUISITION CONSISTENT WITH STRATEGIC DRIVERS RESPONSIBLE

ALEXCO ACQUISITION America?s Largest Silver Miner To Become Canada?s Largest July 5, 2022 RESPONSIBLE.

June 29, 2022 11-K

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 ? ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2021 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 P

May 27, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Submission of Matters to a Vote of Security Holders

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 26, 2022 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 Employer

May 25, 2022 8-K

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): May 24, 2022 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 Employer

May 25, 2022 EX-99.1

HECLA RELEASES 2021 SUSTAINABILITY REPORT Highlights Include Zero Net Carbon Emissions & Surpassing Energy Intensity Reduction Goals May 24, 2022

Exhibit 99.1 NEWS RELEASE HECLA RELEASES 2021 SUSTAINABILITY REPORT Highlights Include Zero Net Carbon Emissions & Surpassing Energy Intensity Reduction Goals FOR IMMEDIATE RELEASE May 24, 2022 COEUR D'ALENE, IDAHO - Hecla Mining Company (NYSE:HL) today released its 2021 Sustainability Report, highlighting the Company?s environmental, social and governance (ESG) performance and 2022 sustainability

May 10, 2022 10-Q

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 March 31, 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

May 10, 2022 EX-99.1

Hecla Reports First Quarter 2022 Results

Exhibit 99.1 Hecla Reports First Quarter 2022 Results 8th consecutive quarter of free cash flow generation The Period Ended: March 31, 2022 For Release: May 10, 2022 COEUR D?ALENE, Idaho-(BUSINESS WIRE)-May 10, 2022-Hecla Mining Company (NYSE:HL) (Hecla or the Company) today announced first quarter 2022 financial and operating results. FIRST QUARTER HIGHLIGHTS Operational Silver production of 3.3

May 10, 2022 EX-95

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?).

May 10, 2022 8-K

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): May 10, 2022 HECLA MINING COMPANY (Exact name of registrant as specified in its charter) Delaware 001-08491 77-0664171 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

April 12, 2022 DEF 14A

Schedule 14A

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.

April 12, 2022 EX-99.1

HECLA ANNOUNCES Q1 2022 PRODUCTION Silver production increased and zinc production is steady April 12, 2022

Exhibit 99.1 NEWS RELEASE HECLA ANNOUNCES Q1 2022 PRODUCTION Silver production increased and zinc production is steady FOR IMMEDIATE RELEASE April 12, 2022 COEUR D'ALENE, IDAHO - Hecla Mining Company (NYSE: HL) today announced its preliminary silver and gold production for the first quarter of 2022.1 HIGHLIGHTS ? Silver production of 3.3 million ounces, an increase of 3% over the fourth quarter of

April 12, 2022 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

DEFA14A 1 d212622ddefa14a.htm 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

April 12, 2022 8-K

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): April 12, 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.

February 24, 2022 EX-FILING FEES

EX-FILING FEES

Exhibit 107 The prospectus to which this Exhibit is attached is a final prospectus for the related offering. The maximum aggregate amount of securities to which the prospectus relates is 60,000,000 shares of common stock.

February 24, 2022 424B5

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

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

February 23, 2022 EX-95

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?).

February 23, 2022 EX-96.2

Technical Report Summary on the Lucky Friday Mine, Idaho, U.S.A. Filed as exhibit 96.2 to Registrant’s Form 10-K for the year ended December 31, 2021 (File No. 1-8491) and incorporated herein by reference.

Exhibit 96.2 Technical Report Summary on the Lucky Friday Mine, Idaho, USA S-K 1300 Report Hecla Mining Company SLR Project No: 101.00632.00022 February 21, 2022 Technical Report Summary on the Lucky Friday Mine, Idaho, USA SLR Project No: 101.00632.00022 Prepared by SLR International Corporation 22118 20th Ave SE, Suite G202 Bothell, WA 98021 USA for Hecla Mining Company 6500 N. Mineral Drive, Su

February 23, 2022 EX-FILING FEES

Filing Fee Table*

EX-FILING FEES 8 d320424dexfilingfees.htm EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables Form S-3 (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 Aggreg

February 23, 2022 S-3ASR

As filed with the Securities and Exchange Commission on February 23, 2022

Table of Contents As filed with the Securities and Exchange Commission on February 23, 2022 Registration No.

February 23, 2022 10-K

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

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 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 No. 1-8491 HECLA MINING C

February 23, 2022 EX-4.7

Description of Securities. *

Exhibit 4.7 DESCRIPTION OF THE REGISTRANT?S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of December 31, 2021, 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

February 23, 2022 EX-10.8A

Hecla Mining Company Post-2004 Supplemental Excess Retirement Plan Master Plan Document, effective January 1, 2019. Filed as exhibit 10.8(a) to Registrant’s Form 10-K for the year ended December 31, 2021 (File No. 1-8491) and incorporated herein by reference. (1)

Exhibit 10.8(a) Hecla Mining Company Post-2004 Supplemental Excess Retirement Plan Effective January 1, 2019 Hecla Mining Company Post-2004 Supplemental Excess Retirement Plan Master Plan Document TABLE OF CONTENTS Page ARTICLE 1 Definitions 1 ARTICLE 2 Eligibility 5 2.1 Selection by Committee 5 2.2 Commencement of Participation 5 ARTICLE 3 Benefits 5 3.1 Benefits 5 3.2 Cash Balance Account - Form

February 23, 2022 EX-25.1

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*

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 charter) 95-

February 23, 2022 EX-10.8B

Hecla Mining Company Pre-2005 Supplemental Excess Retirement Plan Master Plan Document, effective January 1, 2019. Filed as exhibit 10.8(b) to Registrant’s Form 10-K for the year ended December 31, 2021 (File No. 1-8491) and incorporated herein by reference. (1)

Exhibit 10.8(b) Hecla Mining Company Pre-2005 Supplemental Excess Retirement Plan Effective January 1, 2019 Hecla Mining Company Post-2004 Supplemental Excess Retirement Plan Master Plan Document TABLE OF CONTENTS Page ARTICLE 1 Definitions 1 ARTICLE 2 Eligibility 5 2.1 Selection by Committee 5 2.2 Commencement of Participation 5 ARTICLE 3 Benefits 5 3.1 Benefits 5 3.2 Pre-Retirement Death Benefit

February 23, 2022 EX-96.1

Technical Report Summary on the Greens Creek Mine, Alaska, U.S.A. Filed as exhibit 96.1 to Registrant’s Form 10-K for the year ended December 31, 2021 (File No. 1-8491) and incorporated herein by reference.

EX-96.1 15 ex338347.htm EXHIBIT 96.1 Exhibit 96.1 Technical Report Summary on the Greens Creek Mine, Alaska, USA S-K 1300 Report Hecla Mining Company SLR Project No: 101.00632.00020 February 21, 2022 Technical Report Summary on the Greens Creek Mine, Alaska, USA SLR Project No: 101.00632.00020 Prepared by SLR International Corporation 1658 Cole Blvd, Suite 100 Lakewood, CO 80401 for Hecla Mining C

February 23, 2022 8-K

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): February 23, 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.

February 23, 2022 EX-96.3

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

EX-96.3 17 ex338337.htm EXHIBIT 96.3 Exhibit 96.3 Technical Report Summary on the Casa Berardi Mine, Northwestern Québec, Canada S-K 1300 Report Technical Report Summary on the Casa Berardi Mine, Northwestern Québec, Canada SLR Project No: 101.00632.00021 Prepared by SLR International Corporation 22118 20th Ave SE, Suite G202 Bothell, WA 98021 USA for Hecla Mining Company 6500 N. Mineral Drive, Su

February 23, 2022 EX-21

List of subsidiaries of Registrant. *

Exhibit 21. SUBSIDIARIES1 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. Federal Canadian 100% Hecla Silver Valley, Inc. Delaware 100% Mines Management, Inc. Newhi, Inc. Montanore Miner

Fintel data has been cited in the following publications:
Daily Mail Fox Business Business Insider Wall Street Journal The Washington Post Bloomberg Financial Times Globe and Mail
NASDAQ.com Reuters The Guardian Associated Press FactCheck.org Snopes Politifact
Federal Register The Intercept Forbes Fortune Magazine TheStreet Time Magazine Canadian Broadcasting Corporation International Business Times
Cambridge University Press Investopedia MarketWatch NY Daily News Entrepreneur Newsweek Barron's El Economista