Reg FD Disclosure · Company Update

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 3, 2023   McEWEN MINING INC. (Exact name of registrant as specified in its charter)   Colorado   001-33190   84-0796160 (State or other jurisdiction of incorporation)   (Commission File Number)   (IRS Employer Identification No.)   150 King Street West , Suite 2800 Toronto , Ontario , Canada M5H 1J9 (Address of principal executive offices) (Zip Code)   Registrant’s telephone number including area code:       ( 866 ) 441-0690     (Former name or former address, if changed since last report)   Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:   ¨    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ¨    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ¨    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ¨    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))   Securities registered pursuant to Section 12(b) of the Act:   Title of each class   Trading Symbol(s)   Name of each exchange on which registered Common Stock   MUX   New York Stock Exchange   Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).   Emerging growth company ¨   If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨             Item 7.01      Financial Statements and Exhibits.   On October 3, 2023, McEwen Mining Inc. (the “Company”) issued a press release to report assay results from the Stock Property, part of the Fox Complex near Timmins, Ontario. A copy of that press release is furnished with this report as Exhibit 99.1. Interested parties are encouraged to read the press release in its entirety because it contains important information not summarized herein.   The information furnished under this Item 7.01, including the referenced exhibit, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, except as shall be expressly set forth by reference to such filing.     Item 8.01      Other Events   Regarding the Company’s Los Azules copper project in San Juan, Argentina, the Company is also filing this current report on Form 8-K to provide the SEC (as defined below) Regulation S-K 229.1304 Technical Report Summary Initial Assessment Individual Disclosure for the Los Azules Copper Project, Argentina, effective May 9, 2023 (the "2023 TRS”), relating to mineral resources at that project. The 2023 TRS provides, among other things, an update to the mineral resource estimate in the Company's initial assessment included in the SEC Regulation S-K 229.1304 Initial Assessment Individual Disclosure for the Los Azules Copper Project, Argentina, effective April 1, 2021 (the “2021 TRS”), filed as Exhibit 96.2 to the Company's Annual Report on Form 10-K filed by the Company with the Securities and Exchange Commission (the "SEC") on March 7, 2022, and supersedes the 2021 TRS. A copy of the 2023 TRS is filed as Exhibit 96.1 to this report. Interested parties are encouraged to read the 2023 TRS in its entirety because it contains important information not summarized herein.   Item 9.01      Financial Statements and Exhibits.   (d)         Exhibits . The following exhibits are furnished or filed with this report, as applicable:   Exhibit No.   Description 96.1   Technical Report Summary, effective May 9, 2023 99.1   Press release dated October 3, 2023 104   Cover Page Interactive Data File – the cover page XBRL tags are embedded within the Inline XBRL document            Cautionary Statement   With the exception of historical matters, the matters discussed in the press release and 2023 TRS attached as exhibits hereto include forward-looking statements within the meaning of applicable securities laws that involve risks and uncertainties that could cause actual results to differ materially from projections or estimates contained therein. Such forward-looking statements include, among others, statements regarding future production and cost estimates, exploration, development, construction and production activities. Factors that could cause actual results to differ materially from projections or estimates include, among others, future drilling results, metal prices, economic and market conditions, operating costs, receipt of permits, and receipt of working capital, as well as other factors described in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022, and other filings with the United States Securities and Exchange Commission. Most of these factors are beyond the Company’s ability to predict or control. The Company disclaims any obligation to update any forward-looking statement made in the press release and 2023 TRS attached as exhibits hereto, whether as a result of new information, future events, or otherwise. Readers are cautioned not to put undue reliance on forward-looking statements.       SIGNATURES   Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.     McEWEN MINING INC.     Date: October 6, 2023 By: /s/ Carmen Diges     Carmen Diges, General Counsel