HECLA MINING CO/DE/ — fact timeline

HECLA MINING CO/DE/ shareholders approved Approve amendment to Amended and Restated Hecla Mining Company Stock Plan for Nonemployee Directors at the 2026-05-21 meeting.

“Proposal 4 . Approve an amendment to our Amended and Restated Hecla Mining Company Stock Plan for Nonemployee Directors. Our shareholders approved the amendment to our Amended and Restated Hecla Mining Company Stock Plan for Nonemployee Directors. The following is a breakdown of the voting results: Votes For Votes Against Abstain Broker Non-Votes 437,723,033 4,700,693 899,629 81,266,672”

HECLA MINING CO/DE/ shareholders approved Advisory Vote on Named Executive Compensation at the 2026-05-21 meeting.

“Proposal 3 . Advisory Vote on Named Executive Compensation . Our shareholders approved the compensation of Hecla’s named executive officers. The following is a breakdown of the voting results: Votes For Votes Against Abstain Broker Non-Votes 421,646,575 19,785,285 1,891,495 81,266,672”

HECLA MINING CO/DE/ shareholders approved Ratification of the Appointment of BDO USA, P.C. as the Company’s Independent Registered Public Accounting Firm at the 2026-05-21 meeting.

“Proposal 2 . Ratification of the Appointment of BDO USA, P.C. as the Company ’ s Independent Registered Public Accounting Firm. Our shareholders ratified the appointment of BDO USA, P.C. as our independent registered public accounting firm for the fiscal year ending December 31, 2026. The following is a breakdown of the voting results: Votes For Votes Against Abstain 480,303,792 42,376,233 1,910,002”

HECLA MINING CO/DE/ shareholders approved Election of Two Director Nominees at the 2026-05-21 meeting.

“Proposal 1 . Election of Two Director Nominees . The shareholders elected each of the director nominees proposed by our Board to serve until the 2029 Annual Meeting of Shareholders or until such nominee’s successor is duly elected and qualified. The following is a breakdown of the voting results: Votes For Votes Against Abstain Broker Non-Votes Rob Krcmarov 440,846,142 1,433,000 1,044,213 81,266,672 Dean R. Gehring 425,707,863 16,558,850 1,056,642 81,266,672”

HECLA MINING CO/DE/ reported financial results for first quarter 2026.

“On May 5, 2026, Hecla Mining Company (the “Company”) issued a news release announcing the Company’s first quarter 2026 operating and financial results.”

HECLA MINING CO/DE/ faced acceleration on senior notes of $263 million at 7.25% maturing due 2028.

“IDAHO – April 9, 2026 - Hecla Mining Company (NYSE:HL) ("Hecla", or the "Company") is pleased to announce today that it has completed the full redemption of its remaining $263 million 7.25% Senior Notes (“Notes”) due 2028, completing a significant milestone in the Company’s balance sheet transformation. Full redemption of senior notes enhances Hecla’s”

HECLA MINING CO/DE/ terminated a notes offering with The Bank of New York Mellon Trust Company, N.A. valued at $263 million 7.25% Senior Notes (effective 2026-04-09).

“On April 9, 2026, Hecla Mining Company (the “Company”) announced it had completed the redemption of its remaining $263 million 7.25% Senior Notes (“Notes”) due in 2028. The full redemption of the Notes terminates the (i) Indenture, dated February 19, 2020, by and among Hecla Mining Company and The Bank of New York Mellon Trust Company, N.A., as trustee (“Indenture”), (ii) First Supplemental Indenture, dated February 19, 2020, and (iii) Second Supplemental Indenture, dated February 6, 2023.”

HECLA MINING CO/DE/ completed a disposition involving 17629346 Canada Inc., an affiliate of Orezone Gold Corporation for $160 million in cash and approximately 65.8 million Orezone common shares (closed 2026-03-25).

“As part of the Transaction, the Company’s direct wholly-owned subsidiary received $160 million in cash and approximately 65.8 million Orezone common shares upon closing and is entitled to receive deferred cash payments and contingent cash consideration of up to $321 million.”

HECLA MINING CO/DE/ entered into Definitive Agreement with Orezone Gold Corporation valued at up to $593 million (effective 2026-01-26).

“On January 26, 2026, Hecla Mining Company (“we,” “us” or “Hecla”) issued a news release announcing it had entered into a definitive agreement (the “Agreement”) to sell its wholly owned subsidiary, Hecla Quebec Inc., which owns the Casa Berardi operation, and a portfolio of exploration properties, all located in Quebec, Canada, to Orezone Gold Corporation (“Orezone”) for up to $593 million in total consideration.”

HECLA MINING CO/DE/ faced acceleration on senior notes of $212 million at 7.25% maturing due 2028.

“On August 18, 2025, Hecla Mining Company (the “Company”) the Company funded the previously announced redemption of $212 million of its outstanding $475 million 7.25% Senior Notes due 2028 (the “Notes”), pursuant to a notice received from the trustee of the Notes.”

HECLA MINING CO/DE/: Amended Restated Certificate of Incorporation to increase authorized common stock from 750,000,000 to 1,250,000,000 shares and total capital stock to 1,255,000,000 shares (effective 2025-05-22).

“On May 21, 2025, the shareholders of Hecla approved an amendment (the "Amendment") to the Company’s Restated Certificate of Incorporation revising Section 1 of Article IV of our Restated Certificate of Incorporation as follows: ARTICLE IV. Capital Stock Section 1. Authorized Capital Stock . The Corporation shall be authorized to issue two classes of shares of Capital Stock to be designated, respectively, "Common Stock" and "Preferred Stock." The total number of shares of Capital Stock which the Corporation shall have authority to issue is One Billion Two Hundred Fifty-Five Million (1,255,000,000), of which One Billion Two Hundred Fifty Million (1,250,000,000) shares shall be designated as Common Stock, par value $0.25 per share, and Five Million (5,000,000) shares shall be designated as Preferred Stock, par value $0.25 per share.”

Dean Gehring was appointed as Class I director at HECLA MINING CO/DE/.

“On May 22, 2025, the Company announced the Board of the Company appointed Dean Gehring as a Class I director (standing for election in 2026, to fill the resulting vacancy of the retirement of Mr. Johnson), effective May 21, 2025.”

George R. Johnson resigned as Director at HECLA MINING CO/DE/.

“Mr. George R. Johnson, a member of the Board of Directors (“Board”), submitted his letter of resignation to Hecla Mining Company (“Company,” “our,” “we,” or “Hecla) effective after the Annual Meeting held on May 21, 2025, due to his desire to retire.”

Robert Krcmarov was appointed as Class I Director at HECLA MINING CO/DE/.

“the Company announced the Board of the Company had increased the size of the Board, and appointed Mr. Robert Krcmarov as a Class I director (standing for election in 2026), to fill the resulting vacancy, effective November 7, 2024.”

Catherine J. Boggs changed role as Interim President and Chief Executive Officer at HECLA MINING CO/DE/.

“Mr. Krcmarov succeeds Catherine J. Boggs, who has served as Interim President and Chief Executive Officer since May 22, 2024.”

Robert Krcmarov was appointed as President and Chief Executive Officer at HECLA MINING CO/DE/.

“the Company announced that its Board of Directors (the “Board”) had appointed Mr. Robert Krcmarov, age 60, as President and Chief Executive Officer, effective November 7, 2024.”

Jill Satre was appointed as Class III Director at HECLA MINING CO/DE/.

“On October 16, 2024, the Company announced the Board of Directors (“Board”) of Hecla Mining Company (the “Company”) had increased the size of the Board, and appointed Jill Satre as a Class III director (standing for election in 2025), to fill the resulting vacancy, effective October 16, 2024.”

Catherine J. Boggs was appointed as Interim President and Chief Executive Officer at HECLA MINING CO/DE/.

“appointed Catherine J. Boggs to serve as Interim President and Chief Executive Officer effective May 22, 2024.”

Charles B. Stanley was named as Independent Lead Director at HECLA MINING CO/DE/.

“The Company also named Charles B. Stanley to serve as Independent Lead Director.”

Catherine 'Cassie' J. Boggs was appointed as Interim President and Chief Executive Officer at HECLA MINING CO/DE/.

“the Company announced Mr. Baker’s retirement and that its Board of Directors (the “Board”) appointed Catherine “Cassie” J. Boggs to serve as Interim President and Chief Executive Officer.”

Phillips S. Baker, Jr. retired as President and Chief Executive Officer at HECLA MINING CO/DE/.

“On May 22, 2024, Phillips S. Baker, Jr., the President and Chief Executive Officer and a director of Hecla Mining Company (the “Company”), informed the Company that he retired from his officer position and resigned his director position effective immediately”

HECLA MINING CO/DE/ reported first quarter 2024 results: revenue $189.5 million, net income net loss applicable to common stockholders of $5.9 million or ($0.01) per share, EPS ($0.01) per share. Guidance reaffirmed.

“Rate (“AIFR”); increased throughput 29% over the prior quarter, produced 0.6 million ounces of silver. • 2024 production and cost guidance reiterated. Financial • Sales of $189.5 million, 44% from silver and 34% from gold. • Net loss applicable to common stockholders of $5.9 million or ($0.01) per share and adjusted net income applicable to common stockholders of”

HECLA MINING CO/DE/ updated its the first quarter ended March 31, 2024 guidance (initiated).

“On April 8, 2024, Hecla Mining Company (the “Company”) issued a news release (“Release”) announcing certain preliminary production results for the first quarter ended March 31, 2024 and other updates.”

Mark P. Board was appointed as Class II director at HECLA MINING CO/DE/.

“the Board of Directors (“Board”) of Hecla Mining Company (the “Company”) had increased the size of the Board, and appointed Mark P. Board as a Class II director (standing for election in 2024), to fill the resulting vacancy, effective February 22, 2024.”

HECLA MINING CO/DE/ reported financial results for twelve months ended December 31, 2023.

“On February 14, 2024, Hecla Mining Company (the “Company”) issued a news release announcing the Company’s fourth quarter 2023 and twelve months ended December 31, 2023 financial and operating results.”

HECLA MINING CO/DE/ reported financial results for fourth quarter 2023.

“On February 14, 2024, Hecla Mining Company (the “Company”) issued a news release announcing the Company’s fourth quarter 2023 and twelve months ended December 31, 2023 financial and operating results.”

HECLA MINING CO/DE/ reported preliminary financial results for the fourth quarter and full year ended December 31, 2023.

“Hecla Mining Company (the "Company") issued a news release ("Release") announcing certain preliminary production results for the fourth quarter and full year ended December 31, 2023 and other updates.”

HECLA MINING CO/DE/ reported financial results for third quarter 2023.

“On November 6, 2023, Hecla Mining Company (the “Company”) issued a news release announcing the Company’s third quarter 2023 operating and financial results.”

HECLA MINING CO/DE/ updated its third quarter ended September 30, 2023 guidance (reaffirmed).

“Hecla Mining Company (the “Company”) issued a news release (“Release”) announcing certain preliminary production results for the third quarter ended September 30, 2023.”

HECLA MINING CO/DE/ reported financial results for second quarter 2023.

“On August 8, 2023, Hecla Mining Company (the “Company”) issued a news release announcing the Company’s second quarter 2023 financial results.”

Lauren M. Roberts departed as Senior Vice President – Chief Operating Officer at HECLA MINING CO/DE/.

“Lauren M. Roberts notified the Company that he intends to retire as Senior Vice President – Chief Operating Officer of the Company as of December 31, 2023.”

HECLA MINING CO/DE/ reported preliminary financial results for second quarter ended June 30, 2023.

“Hecla Mining Company ( NYSE:HL ) today announced its preliminary silver and gold production for the second quarter and first half of 2023.”

HECLA MINING CO/DE/ completed an acquisition involving ATAC Resources Ltd. for approximately US$18.7 million (closed 2023-07-07).

“Agreement (“Agreement”). Under the terms of the Agreement, Hecla’s subsidiary acquired all the outstanding common shares of ATAC for total consideration of approximately US$18.7 million in the form of 3,676,904 shares of Hecla common stock issued to ATAC shareholders based on the share exchange ratio of 0.0166 of Hecla share for each ATAC common share. As part”

HECLA MINING CO/DE/: Amended Bylaws Article I, Section 1 to change registered agent from CT to CSC (effective 2023-05-23).

“On May 23, 2023, the Board of the Company approved an amendment to the Company’s Bylaws revising Article I, Section 1 to change the registered office address and registered agent in the State of Delaware from CT to CSC.”

HECLA MINING CO/DE/: Amended Article II of Restated Certificate of Incorporation to change registered agent from CT to CSC (effective 2023-05-23).

“On May 23, 2023, the Board of Directors (“Board”) of Hecla Mining Company (the “Company”) approved an amendment (the “Amendment”) to the Company’s Restated Certificate of Incorporation revising Article II to change the registered office address and registered agent in the State of Delaware from The Corporation Trust Company (“CT”) to Corporation Service Company (“CSC”).”

HECLA MINING CO/DE/ shareholders approved Advisory Vote on Frequency of Named Executive Compensation Vote at the 2023-05-26 meeting.

“Proposal 4 . Advisory Vote on Frequency of Named Executive Compensation Vote . The following is a breakdown of the voting results on the advisory vote on the frequency of the advisory vote on the compensation of the Company’s named executive officers: One Year Two Years Three Years Abstain 294,982,852 945,805 30,546,641 2,382,519 There were no broker non-votes with respect to Proposal 4.”

HECLA MINING CO/DE/ shareholders approved Advisory Vote on Named Executive Compensation at the 2023-05-26 meeting.

“Proposal 3 . Advisory Vote on Named Executive Compensation . Our shareholders approved the compensation of Hecla’s named executive officers. The following is a breakdown of the voting results: Votes For Votes Against Abstain Broker Non-Votes 317,819,241 9,038,063 2,000,513 74,305,096”

HECLA MINING CO/DE/ shareholders approved Ratification of the Appointment of BDO USA, LLP as the Company’s Independent Registered Public Accounting Firm at the 2023-05-26 meeting.

“Proposal 2 . Ratification of the Appointment of BDO USA, LLP as the Company’s Independent Registered Public Accounting Firm. Our shareholders ratified the appointment of BDO USA, LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2023. The following is a breakdown of the voting results: Votes For Votes Against Abstain 384,522,751 13,372,912 5,267,250 There were no broker non-votes with respect to Proposal 2.”

HECLA MINING CO/DE/ shareholders approved Election of Two Director Nominees at the 2023-05-26 meeting.

“Proposal 1 . Election of Two Director Nominees . The shareholders elected each of the director nominees proposed by our Board to serve until the 2026 Annual Meeting of Shareholders or until such nominee’s successor is duly elected and qualified. The following is a breakdown of the voting results: Votes For Votes Against Abstain Broker Non-Votes Phillips S. Baker, Jr. 324,248,541 3,366,997 1,242,279 74,305,096 George R. Johnson 318,944,718 8,384,795 1,428,304 74,305,096 2 Proposal 2 . Ratification of the Appointment of BDO USA, LLP as the Company’s Independent Registered Public Accounting Firm.”

HECLA MINING CO/DE/ reported financial results for first quarter 2023.

“On May 10, 2023, Hecla Mining Company (the “Company”) issued a news release announcing the Company’s first quarter 2023 financial results.”

HECLA MINING CO/DE/ reported preliminary financial results for the first quarter ended March 31, 2023.

“On April 13, 2023, Hecla Mining Company (the “Company”) issued a news release (“Release”) announcing certain preliminary production results for the first quarter ended March 31, 2023.”

HECLA MINING CO/DE/ entered into Arrangement Agreement with ATAC Resources Ltd. valued at approximately $23 million (effective 2023-04-05).

“On April 5, 2023, Hecla Mining Company (the “Company” or “Hecla”) entered into an Arrangement Agreement (the “Agreement”) with ATAC Resources Ltd. (“ATAC”).”

HECLA MINING CO/DE/ reported financial results for fourth quarter 2022 and twelve months ended December 31, 2022.

“On February 15, 2023, Hecla Mining Company (the “Company”) issued a news release announcing the Company’s fourth quarter 2022 and twelve months ended December 31, 2022 financial and operating results.”

HECLA MINING CO/DE/ reported preliminary financial results for the fourth quarter and full year ended December 31, 2022.

“On January 11, 2023, the Company issued a news release (“Release”) announcing certain preliminary production results for the fourth quarter and full year ended December 31, 2022.”

HECLA MINING CO/DE/: Amended bylaws to clarify plurality voting in contested elections, update advance notice bylaws, and reflect changes to Delaware law and SEC proxy rules (effective 2022-12-09).

“On December 9, 2022, the Board of Directors of Hecla Mining Company (the “Company”) amended the Company’s Bylaws, effective December 9, 2022 to (i) clarify that plurality voting applies in contested elections, (ii) update certain aspects of the advance notice bylaws, and (iii) reflect recent changes to (a) Delaware law regarding shareholder list availability during the annual meeting of shareholders and (b) the proxy rules of the Securities and exchange Commission.”

HECLA MINING CO/DE/ reported financial results for third quarter 2022.

“On November 9, 2022, Hecla Mining Company (the “Company”) issued a news release announcing the Company’s third quarter 2022 financial and operating results.”

Catherine "Cassie" J. Boggs was elected as Chairperson of the Board at HECLA MINING CO/DE/.

“On May 26, 2022, immediately following our Annual Meeting, our Board elected Catherine “Cassie” J. Boggs as Chairperson of the Board.”

Terry V. Rogers retired as Director at HECLA MINING CO/DE/.

“Messrs. Ted Crumley and Terry V. Rogers, members of our Board of Directors (“Board”), reached the mandatory retirement age under the Hecla Mining Company’s Bylaws and Corporate Governance Guidelines and were not eligible to stand for re-election at the Annual Meeting of Shareholders of Hecla Mining Company (“our,” “we,” or “Hecla”). As a result, effective as of the conclusion of our Annual Meeting of Shareholders held on May 26, 2022 (“Annual Meeting”), Messrs. Crumley and Rogers are no longer directors of Hecla.”

Ted Crumley retired as Director at HECLA MINING CO/DE/.

“Messrs. Ted Crumley and Terry V. Rogers, members of our Board of Directors (“Board”), reached the mandatory retirement age under the Hecla Mining Company’s Bylaws and Corporate Governance Guidelines and were not eligible to stand for re-election at the Annual Meeting of Shareholders of Hecla Mining Company (“our,” “we,” or “Hecla”). As a result, effective as of the conclusion of our Annual Meeting of Shareholders held on May 26, 2022 (“Annual Meeting”), Messrs. Crumley and Rogers are no longer directors of Hecla.”