1. UNIQUELY RARE INVESTMENT

Seven Characteristics That No

Other Mining Investment

Option Provides

September 2020

RESPONSIBLE. SAFE. INNOVATIVE.

NYSE: HL

CAUTIONARY STATEMENTS

Cautionary Statement Regarding Forward Looking Statements

This presentation contains "forward-looking statements" within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, which are intended to be covered by the safe harbor created by such sections and other applicable laws, including Canadian securities laws. When a forward-looking statement expresses or implies an expectation or belief as to future events or results, such expectation or belief is expressed in good faith and believed to have a reasonable basis.

However, such statements are subject to risks, uncertainties and other factors, which could cause actual results to differ materially from future results expressed, projected or implied by the forward-looking statements. Forward-looking statements often address our expected future business and financial performance and financial condition, and often contain words such as "anticipate," "intend," "plan," "will," "could," "would," "estimate," "should," "expect," "believe," "project," "target," "indicative," "preliminary," "potential" and similar expressions. Forward- looking statements in this presentation may include, without limitation: (i) we expect there to be more than a decade of reserve life at each of Greens Creek, Casa Berardi and Lucky Friday; (ii) our ability to increase silver production at Lucky Friday by (i) 100% in the short term and (ii) due to higher graded 60% in the long-term; (iii) the ability of our assets to overcome challenges and for San Sebastian and Nevada to become fundamental operations; (iv) ability to achieve forecast silver and gold production, cost of sales, cash and all in sustaining cost, after by-product credit and sustaining capital estimates at Greens Creek, Casa Berardi, Lucky Friday, San Sebastian and in Nevada; (v) that we will not experience any constraints on availability of the revolver due to compliance with covenants; (vi) that Casa Berardi is positioned to grow its cash flow; (vii) that Casa Berardi can successfully implement 5 open pits and that the 148 Zone will add high-grade ore starting late in 2020; (viii) that Lucky Friday is positioned for growth and longevity and to return to full production by the end of 2020; (ix) the RVM is expected to be sent to Lucky Friday upon completion of testing; (x) ability to improve reliability at Casa Berardi through enhanced operation and maintenance practices with expected improvements in throughput, recovery, cost and cash flow; (xi) that we expect the ability of ongoing studies, such as hydrology, mine planning, geology, permitting, third-party processing to reduce mining costs; (xii) the ability to generate new targets in Nevada; (xiii) that Fire Creek operations may improve allowing a lower cut-off grade and increased throughput and that production may occur through potential development of Fire Creek, including the Zeus and North veins; (xiv) the potential to operate at Hollister if the Hatter Graben deposit can be developed and mined; (xv) ability to return mines to production after COVID-19; (xvi) full year estimated production, costs, capital and exploration at each of the Company's operating mines; (xvii) that the Board of Directors will declare dividends, including any related to the price of silver realized by the Company; and (xviii) that our tailings facilities will remain stable. The material factors or assumptions used to develop such forward-looking statements or forward-looking information include that the Company's plans for development and production will proceed as expected and will not require revision as a result of risks or uncertainties, whether known, unknown or unanticipated, to which the Company's operations are subject.

Estimates or expectations of future events or results are based upon certain assumptions, which may prove to be incorrect, which could cause actual results to differ from forward-looking statements. Such assumptions, include, but are not limited to: (i) there being no significant change to current geotechnical, metallurgical, hydrological and other physical conditions; (ii) permitting, development, operations and expansion of the Company's projects being consistent with current expectations and mine plans; (iii) political/regulatory developments in any jurisdiction in which the Company operates being consistent with its current expectations; (iv) the exchange rate for the USD/CAD and USD/MXN, being approximately consistent with current levels; (v) certain price assumptions for gold, silver, lead and zinc; (vi) prices for key supplies being approximately consistent with current levels; (vii) the accuracy of our current mineral reserve and mineral resource estimates; (viii) the Company's plans for development and production will proceed as expected and will not require revision as a result of risks or uncertainties, whether known, unknown or unanticipated; (ix) counterparties performing their obligations under hedging instruments and put option contracts; (x) sufficient workforce is available and trained to perform assigned tasks; (xi) weather patterns and rain/snowfall within normal seasonal ranges so as not to impact operations; (xii) relations with interested parties, including Native Americans, remain productive; (xiii) economic terms can be reached with third-party mill operators who have capacity to process our ore; (xiv) maintaining availability of water rights; (xv) factors do not arise that reduce available cash balances, (xvi) there being no material increases in our current requirements to post or maintain reclamation and performance bonds or collateral related thereto, and (xvii) the Company's plans for refinancing its high yield notes proceeding as expected.

NYSE: HL

RESPONSIBLE. SAFE. INNOVATIVE. l 2

CAUTIONARY STATEMENTS (cont'd)

Cautionary Statement Regarding Forward Looking Statements (Cont'd)

In addition, material risks that could cause actual results to differ from forward-looking statements include, but are not limited to: (i) gold, silver and other metals price volatility; (ii) operating risks; (iii) currency fluctuations; (iv) increased production costs and variances in ore grade or recovery rates from those assumed in mining plans; (v) community relations; (vi) conflict resolution and outcome of projects or oppositions; (vii) litigation, political, regulatory, labor and environmental risks; (viii) exploration risks and results, including that mineral resources are not mineral reserves, they do not have demonstrated economic viability and there is no certainty that they can be upgraded to mineral reserves through continued exploration; (ix) the failure of counterparties to perform their obligations under hedging instruments, including put option contracts; (x) our plans for improvements at our Nevada operations, including at Fire Creek, are not successful; (xi) our estimates for the third and fourth quarter results are inaccurate; (xii) we take a material impairment charge on our Nevada operations; (xiii) we are unable to remain in compliance with all terms of the credit agreement in order to maintain continued access to the revolver, and (xiv) we are unable to refinance the maturing high yield notes. For a more detailed discussion of such risks and other factors, see the Company's 2019 Form 10-K, filed with the Securities and Exchange Commission (SEC) on February 10, 2020, and the Company's Form 10-Q filed with the SEC on May 7, 2020. The Company does not undertake any obligation to release publicly revisions to any "forward-looking statement," including, without limitation, outlook, to reflect events or circumstances after the date of this presentation, or to reflect the occurrence of unanticipated events, except as may be required under applicable securities laws. Investors should not assume that any lack of update to a previously issued "forward-looking statement" constitutes a reaffirmation of that statement. Continued reliance on "forward-looking statements" is at investors' own risk.

Cautionary Note Regarding Estimates of Measured, Indicated and Inferred Resources

The SEC permits mining companies, in their filings with the SEC, to disclose only those mineral deposits that a company can economically and legally extract or produce. We use certain terms in this presentation, such as "resource," "measured resources," "indicated resources," and "inferred resources" that are recognized by Canadian regulations, but that SEC guidelines generally prohibit U.S. registered companies from including in their filings with the SEC, except in certain circumstances. U.S. investors are urged to consider closely the disclosure in our most recent Form 10-K and Form 10-Q. You can review and obtain copies of these filings from the SEC's website at www.sec.gov.

Qualified Person (QP) Pursuant to Canadian National Instrument 43-101

Kurt D. Allen, MSc., CPG, Director - Exploration of Hecla Limited and Keith Blair, MSc., CPG, Chief Geologist of Hecla Limited, who serve as a Qualified Person under National Instrument 43-101("NI43-101"), supervised the preparation of the scientific and technical information concerning Hecla's mineral projects in this presentation, including with respect to the newly acquired Nevada projects. Information regarding data verification, surveys and investigations, quality assurance program and quality control measures and a summary of analytical or testing procedures for the Greens Creek Mine are contained in a technical report titled "Technical Report for the Greens Creek Mine" effective date December 31, 2018, and for the Lucky Friday Mine are contained in a technical report titled "Technical Report for the Lucky Friday Mine Shoshone County, Idaho, USA" effective date April 2, 2014, for Casa Berardi are contained in a technical report titled "Technical Report on the mineral resource and mineral reserve estimate for Casa Berardi Mine, Northwestern Quebec, Canada" effective date December 31, 2018 (the "Casa Berardi Technical Report"), and for the San Sebastian Mine, Mexico, are contained in a technical report prepared for Hecla titled "Technical Report for the San Sebastian Ag-Au Property, Durango, Mexico" effective date September 8, 2015 . Also included in these four technical reports is a description of the key assumptions, parameters and methods used to estimate mineral reserves and resources and a general discussion of the extent to which the estimates may be affected by any known environmental, permitting, legal, title, taxation, socio-political, marketing or other relevant factors. Information regarding data verification, surveys and investigations, quality assurance program and quality control measures and a summary of sample, analytical or testing procedures for the Fire Creek Mine are contained in a technical report prepared for Klondex Mines, dated March 31, 2018; the Hollister Mine dated May 31, 2017, amended August 9, 2017; and the Midas Mine dated August 31, 2014, amended April 2, 2015. Copies of these technical reports are available under Hecla's and Klondex's profiles on SEDAR at www.sedar.com.

Mr. Allen and Mr. Blair reviewed and verified information regarding drill sampling, data verification of all digitally-collected data, drill surveys and specific gravity determinations relating to the Casa Berardi Mine. The review encompassed quality assurance programs and quality control measures including analytical or testing practice, chain-of-custody procedures, sample storage procedures and included independent sample collection and analysis. This review found the information and procedures meet industry standards and are adequate for Mineral Resource and Mineral Reserve estimation and mine planning purposes.

Cautionary Note Regarding Non-GAAP measures

Cash cost per ounce of silver and gold, net of by-product credits, EBITDA, adjusted EBITDA, AISC, after by-product credits, and free cash flow represent non-U.S. Generally Accepted Accounting Principles (GAAP) measurements. A reconciliation of these non-GAAP measures to the most comparable GAAP measurements can be found in the Appendix.

NYSE: HL

RESPONSIBLE. SAFE. INNOVATIVE. l 3

HECLA IS BOTH UNIQUE AND EXCEPTIONAL

Seven characteristics that no other mining company has

What is different about Hecla?

Key Asset Locations

Location

Primarily USA (only meaningful silver producer)

Metals

Silver, gold, zinc, lead

produced

(only 10 operating companies that silver is important value driver for investors)

Operations and

Highest-grade,lowest-cost silver mines with

exploration

growing reserves

quality

Mine life

Decades for key mines (2 of the 5 largest reserves)

Production

Lucky Friday expected to double (only mine with

growth

significantly increasing production with low capital intensity; 2020 over 2019, 2021

over 2020)

Dividends

Second highest dividend yield for silver

companies (in aggregate returning a $1+ for every ounce of silver mined)

Brand value

A 129-year-old company with over 50 years on

NYSE (multiple times top performer, large volumes)

No other silver mining company has more than a few of these characteristics

NYSE: HL

RESPONSIBLE. SAFE. INNOVATIVE. l 4

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Hecla Mining Company published this content on 14 September 2020 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 14 September 2020 23:44:06 UTC