UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K/A

(Amendment No. 1)

☒ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2017                                                                                                                                                                                                                                

☐TRANSITION REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from __________ to __________

Commission file number 001-33190

MCEWEN MINING INC.

(Exact name of registrant as specified in its charter)

(866) 441-0690

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ☐  No ☒

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes ☐  No ☒

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒  No ☐

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes ☒  No ☐

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§ 229.405 of this chapter) is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non‑accelerated filer, a smaller reporting company or emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and emerging growth company in Rule 12b‑2 of the Exchange Act.

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. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b‑2 of the Exchange Act). Yes ☐  No ☒

As of June 30, 2017 (the last business day of the registrant’s second fiscal quarter), the aggregate market value of the registrant’s voting and non-voting common equity held by non-affiliates of the registrant was $613,010,302 based on the closing price of $2.63 per share as reported on the NYSE.  There were 337,054,594 shares of common stock outstanding on February 20, 2018.

DOCUMENTS INCORPORATED BY REFERENCE:  Portions of the Proxy Statement for the 2018 Annual Meeting of Shareholders are incorporated into Part III, Items 10 through 14 of this report.

EXPLANATORY NOTE

McEwen Mining Inc. (the “Company”) is filing this Amendment No. 1 on Form 10-K/A (this “Amendment”) to its Annual Report on Form 10-K for the year ended December 31, 2017 filed with the U.S. Securities and Exchange Commission (“SEC”) on February 21, 2018 (the “Original Filing”) to amend Item 15 of Part IV of the Original Filing,  pursuant to Rule 3-09 of Regulation S-X, to include the financial statements and related notes of Minera Santa Cruz S.A (“MSC”), a significant equity investee in which the Company holds a 49% equity ownership interest. In addition, the Company is filing the consent of the independent auditors and, as required by Rule 12b-15 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), new certifications by the Company’s Chief Executive Officer and Chief Financial Officer are filed as exhibits to this Amendment.

Rule 3-09 of Regulation S-X provides that if a 50%-or-less-owned person accounted for by the equity method meets the first or third condition of the significant subsidiary tests set forth in Rule 1-02(w) of Regulation S-X, substituting 20% for 10%, separate financial statements for such 50%-or-less-owned person shall be filed. These financial statements shall be prepared in accordance with accounting principles generally accepted in the United States of America (“US GAAP”) or International Financial Reporting Standards (“IFRS”). MSC met the significant subsidiary test described above for the Company’s fiscal years ending December 31, 2017, 2016 and 2015 and accordingly, the Company has included in this Form 10-K/A the required Statements of Financial Position as of December 31, 2017 and 2016, and the related Statements of Profit (Loss) and Other Comprehensive Profit (Loss), Changes in Equity, and Cash Flows for the years ended December 31, 2017, 2016 and 2015, and the accompanying Notes to the Financial Statements of MSC, prepared in accordance with IFRS. We caution readers that the MSC financial results included in our Annual Report on Form 10-K are presented in accordance with US GAAP, and may therefore differ from the MSC results presented as separate financial statements reported under IFRS.

These statements and accompanying notes were required to be audited only for those fiscal years in which either the first or third condition of the significant subsidiary tests set forth in Rule 1-02(w), substituting 20% for 10%, is met. The Company’s significance test is calculated as of the end of its fiscal year and for its fiscal year.

No attempt has been made in this Amendment to modify or update the disclosures in the Original Filing except as required to reflect the effect of the revisions discussed herein. Except as otherwise noted herein, this Amendment continues to describe conditions as of the date of the Original Filing and the disclosures contained herein have not been updated to reflect events, results or developments that occurred after the date of the Original Filing, or to modify or update those disclosures affected by subsequent events. Among other things, forward-looking statements made in the Original Filing have not been revised to reflect events, results or developments that occurred or facts that became known to us after the date of the Original Filing, and such forward-looking statements should be read in conjunction with our filings with the SEC subsequent to the filing of the Original Filing. Accordingly, this Amendment should be read in conjunction with the Original Filing and the Company’s other filings with the SEC subsequent to February 21, 2018. Furthermore, readers are cautioned to review the reliability of information disclosure, contained in our Annual Report on Form 10-K, pertaining to the disclosure of MSC results.

PART IV

ITEM 15.EXHIBITS, FINANCIAL STATEMENT SCHEDULES

The exhibits listed in the accompanying exhibit index are filed (except where otherwise indicated) as part of this report. 

EXHIBIT INDEX

*     Previously filed with or incorporated by reference in the original filing filed on February 21, 2018.

**   Filed with this amendment.

+     Indicates management compensatory plan, contract, or arrangement.

SIGNATURES

In accordance with Section 13 or 15(d) of the Exchange Act, the Company caused this amended report to be signed on its behalf by the undersigned, thereunto duly authorized.