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 Statements to Investors on Reserves and Resources
This news release uses the terms mineral resources, measured mineral resources, indicated mineral resources and
inferred mineral resources. Mineral resources that are not mineral reserves do not have demonstrated economic viability. You should not assume that all or any part of measured or indicated mineral resources will ever be converted into
mineral reserves. Further, inferred mineral resources have a great amount of uncertainty as to their existence and as to whether they can be mined legally or economically, and an inferred mineral resource may not be considered when assessing the
economic viability of a mining project, and may not be converted to a mineral reserve. We report reserves and resources under the SECs mining disclosure rules (S-K 1300) and Canadas
National Instrument 43-101 Standards of Disclosure for Mineral Projects (NI 43-101) because we are a reporting issuer under Canadian
securities laws. Unless otherwise indicated, all resource and reserve estimates contained in this press release have been prepared in accordance with S-K 1300 as well as NI
43-101.
Qualified Person (QP)
Kurt D. Allen, MSc., CPG, VPExploration of Hecla Mining Company and Keith Blair, MSc., CPG, Chief Geologist of Hecla Limited, who serve as a Qualified
Person under S-K 1300 and NI 43-101, supervised the preparation of the scientific and technical information concerning Heclas mineral projects in this news
release. Technical Report Summaries (each a TRS) for each of the Companys Greens Creek and Lucky Friday properties are filed as exhibits 96.1 and 96.2 respectively, to the Companys Annual Report on Form 10-K for the year ended December 31, 2022 and are available at www.sec.gov. A TRS for each of the Companys Casa Berardi and Keno Hill properties will be filed as exhibits 96.3 and 96.4, respectively, to
the Companys Annual Report on Form 10-K for the year ended December 31, 2023 to be filed on February 15, 2024 and will then be available at www.sec.gov. Information regarding data
verification, surveys and investigations, quality assurance program and quality control measures and a summary of analytical or testing procedures for (i) the Greens Creek Mine are contained in its TRS and in a NI
43-101 technical report titled Technical Report for the Greens Creek Mine effective date December 31, 2018, (ii) the Lucky Friday Mine are contained in its TRS and in its technical report
titled Technical Report for the Lucky Friday Mine Shoshone County, Idaho, USA effective date April 2, 2014, (iii) Casa Berardi will be contained in its TRS titled Technical Report Summary on the Casa Berardi Mine, Northwestern
Quebec, Canada effective date December 31, 2023 and are contained in its NI 43-101 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, (iv) Keno Hill will be contained in its TRS titled S-K 1300 Technical Report Summary on the Keno Hill Mine, Yukon,
Canada and are contained its NI 43-101 technical report titled Technical Report on Updated Mineral Resource and Reserve Estimate of the Keno Hill Silver District effective date April 1,
2021, and (v) 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 or to be included in each TRS and the 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 are contained in technical reports prepared for Klondex Mines Ltd. for (i) the Fire Creek Mine (technical report dated March 31,
2018), (ii) the Hollister Mine (technical report dated May 31, 2017, amended August 9, 2017), and (iii) the Midas Mine (technical report dated August 31, 2014, amended April 2, 2015). Information regarding data verification,
surveys
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Hecla Mining Company 1-800-432-5291
hmc-info@hecla.com |
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