NATURE OF OPERATIONS AND RECENT ACCOUNTING PRONOUNCEMENTS	3 Months Ended
Mar. 31, 2019
NATURE OF OPERATIONS AND RECENT ACCOUNTING PRONOUNCEMENTS
NATURE OF OPERATIONS AND RECENT ACCOUNTING PRONOUNCEMENTS	NOTE 1 NATURE OF OPERATIONS AND RECENT ACCOUNTING PRONOUNCEMENTS Nature of Operations and Basis of Presentation McEwen Mining Inc. (the “Company”) was organized under the laws of the State of Colorado on July 24, 1979. The Company is engaged in the exploration, development, production and sale of gold and silver and exploration for copper. The Company operates in the United States, Canada, Mexico and Argentina. The Company owns the Gold Bar gold mine in Nevada, the Black Fox gold mine in Ontario, Canada, the El Gallo Project in Sinaloa, Mexico, the Los Azules copper deposit in San Juan, Argentina, the Fenix silver-gold project in Sinaloa, Mexico, and a portfolio of exploration properties in Nevada, Canada, Mexico and Argentina. The Company also owns a 49% interest in Minera Santa Cruz S.A. (“MSC”), owner of the producing San José silver-gold mine in Santa Cruz, Argentina, which is operated by the joint venture majority owner, Hochschild Mining plc. The interim consolidated financial statements included herein have been prepared by the Company, pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”) and are unaudited. Certain information and note disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) have been condensed or omitted pursuant to such rules and regulations, although the Company believes that the disclosures included are adequate to make the information presented not misleading. In management’s opinion, the unaudited Consolidated Statements of Operations and Comprehensive Loss (“Statement of Operations”) for the three months ended March 31, 2019 and 2018, the unaudited Consolidated Balance Sheets as at March 31, 2019 and December 31, 2018, the unaudited Consolidated Statement of Changes in Shareholders’ Equity for the three months ended March 31, 2019 and 2018, and the unaudited Consolidated Statements of Cash Flows for the three months ended March 31, 2019 and 2018, contained herein, reflect all adjustments, consisting solely of normal recurring items, which are necessary for the fair presentation of the Company’s financial position, results of operations and cash flows on a basis consistent with that of the Company’s prior audited consolidated financial statements. However, the results of operations for the interim periods may not be indicative of results to be expected for the full fiscal year. Therefore, these financial statements should be read in conjunction with the audited financial statements and notes thereto and summary of significant accounting policies included in the Company’s annual report on Form 10-K for the year ended December 31, 2018. Except as noted below, there have been no material changes in the footnotes from those accompanying the audited consolidated financial statements contained in the Company’s Form 10-K for the year ended December 31, 2018. The consolidated financial statements include the accounts of the Company and its wholly owned subsidiaries. Inter-company accounts and transactions have been eliminated. Recently Adopted Accounting Pronouncements Codification Improvements: In July 2018, the FASB issued ASU 2018-09 “Codification Improvements” (“ASU 2018- 09”). ASU 2018-09 provides amendments to various topics in the FASB’s Accounting Standards Codification which apply to all reporting entities within the scope of the affected accounting guidance. The transition and effective date guidance are based on the facts and circumstances of each amendment. Some of the amendments in ASU 2018-09 do not require transition guidance and were effective upon issuance. However, many of the amendments do have transition guidance with effective dates for annual periods beginning after December 15, 2018. The adoption of ASU 2018-09 did not have a material impact on the Company’s financial statements and related disclosures. Leases – ASC 842: From 2016 to 2019, the FASB issued multiple accounting standard updates (“ASU”) regarding the new ASC 842. The ASUs outline amendments and updates to ASC 842, which provides that a lessee should recognize the assets and the liabilities that arise from leases, including operating leases. Under the new requirements, a lessee will recognize in the statement of financial position a liability to make lease payments (the lease liability) and the right-of-use asset representing the right to the underlying asset for the lease term. Adoption of this ASC was completed by the Company under a modified retrospective transition method with certain practical expedients. The Company’s initial date of adoption was January 1, 2019; the adoption of ASC 842 did not result in significant changes to the financial statements. Practical expedients and elections under ASUs and ASC 842 made by the Company are as follows: ASU 2018-11: This update permitted an entity to elect an optional transitional practical expedient to continue to apply ASC 840, Leases, including its disclosure requirements, in the comparative periods presented in the year of adoption of ASC 842. Under this optional practical expedient, the Company applied the transition provisions on January 1, 2019 (the date of adoption) rather than January 1, 2017 (the beginning of the earliest comparative period presented); first reporting under the new standard will be the results for the first quarter of 2019. Upon adoption of ASC 842, the Company recognized a cumulative-effect adjustment to the opening accumulated deficit balance. Package of practical expedients – to permit an entity to (a) not reassess whether expired or existing contracts contain leases, (b) not reassess lease classification for existing or expired leases and (c) not consider whether previously capitalized initial direct costs would be appropriate under the new standard. The Company opted to elect the package of practical expedients. Hindsight practical expedient – to permit an entity to use hindsight in determining the lease term. The Company opted to elect this provision. Easements practical expedient – this permitted an entity to elect an optional transitional practical expedient to not evaluate land easements that exist or expire before the Company’s adoption of ASC 842 that were not previously accounted for as leases under ASC 840. The Company opted to elect this transitional provision and as a result did not evaluate any of its land agreements. Short term election – an entity may elect not to apply lease accounting to leases that are not greater than 12 months. The Company elected this short term election. Non-lease component election – lessees may elect to account for non-lease components as part of the lease component to which they relate; an election made by class of underlying asset. This election is not relevant for the Company and therefore, the Company did not make the election. The adoption included the following overall impact (a) increase the Company’s recorded assets and liabilities, (b) increase related depreciation and amortization expense, (c) increase interest expense and (d) decrease lease/rental expenses. Note 15 Leases within the financial statements details the Company’s cumulative-effect adjustment to the opening accumulated deficit balance. Lease Accounting Policy: Contracts entered into are analyzed to identify whether the contract contains an operating or financing lease according to ASC 842. If a contract is determined to contain a lease, the Company will include lease payments (the lease liability) and the right-of-use asset representing the right to the underlying asset for the lease term within the Consolidated Balance Sheets. Related depreciation and amortization expense and interest expense is recorded within the Consolidated Statements of Operations. For leases with a term of twelve months or less, an accounting policy election is made to not recognize lease assets and lease liabilities. The Company has not elected to account for non-lease components as part of the lease component to which they relate. Recently Issued Accounting Pronouncements Measurement of Credit Losses on Financial Instruments: In June 2016, the FASB issued ASU 2016-13, “Measurement of Credit Losses on Financial Instruments”. ASU 2016-13 will change how companies account for credit losses for most financial assets and certain other instruments. For trade receivables, loans and held-to-maturity debt securities, companies will be required to estimate lifetime expected credit losses and recognize an allowance against the related instruments. For available-for-sale debt securities, companies will be required to recognize an allowance for credit losses rather than reducing the carrying value of the asset. The adoption of this update, if applicable, will result in earlier recognition of losses and impairments. In November 2018, the FASB issued ASU 2018-19, “Codification Improvements to ASC 326, Financial Instruments – Credit Losses.” ASU 2016-13 introduced an expected credit loss methodology for the impairment of financial assets measured at amortized cost basis. That methodology replaces the probable, incurred loss model for those assets. ASU 2018-19 is the final version of Proposed Accounting Standards Update 2018-270, which has been deleted. Additionally, the amendments clarify that receivables arising from operating leases are not within the scope of Subtopic 326-20. Instead, impairment of receivables arising from operating leases should be accounted for in accordance with ASC 842, Leases. These updates are effective for fiscal years beginning after December 15, 2019, and the Company is currently evaluating ASU 2016-13 and 2018-19 and the potential impact of adopting this guidance on its financial reporting. Changes to the Disclosure Requirements for Fair Value Measurement: In August 2018, the FASB issued ASU 2018- 13, “Fair Value Measurement (ASC 820): Disclosure Framework – Changes to the Disclosure Requirements for Fair Value Measurement”. This update modifies the disclosure requirements for fair value measurements by removing, modifying or adding disclosures. ASU 2018-13 is effective for fiscal years beginning after December 15, 2019 and early adoption is permitted. Certain disclosures in the update are applied retrospectively, while others are applied prospectively. The Company is currently evaluating the potential impact of adopting this guidance on its financial statements.

NOTE 1 NATURE OF OPERATIONS AND RECENT ACCOUNTING PRONOUNCEMENTS

Nature of Operations and Basis of Presentation

McEwen Mining Inc. (the “Company”) was organized under the laws of the State of Colorado on July 24, 1979. The Company is engaged in the exploration, development, production and sale of gold and silver and exploration for copper.

The Company operates in the United States, Canada, Mexico and Argentina. The Company owns the Gold Bar gold mine in Nevada, the Black Fox gold mine in Ontario, Canada, the El Gallo Project in Sinaloa, Mexico, the Los Azules copper deposit in San Juan, Argentina, the Fenix silver-gold project in Sinaloa, Mexico, and a portfolio of exploration properties in Nevada, Canada, Mexico and Argentina. The Company also owns a 49% interest in Minera Santa Cruz S.A. (“MSC”), owner of the producing San José silver-gold mine in Santa Cruz, Argentina, which is operated by the joint venture majority owner, Hochschild Mining plc.

The interim consolidated financial statements included herein have been prepared by the Company, pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”) and are unaudited. Certain information and note disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) have been condensed or omitted pursuant to such rules and regulations, although the Company believes that the disclosures included are adequate to make the information presented not misleading.

In management’s opinion, the unaudited Consolidated Statements of Operations and Comprehensive Loss (“Statement of Operations”) for the three months ended March 31, 2019 and 2018, the unaudited Consolidated Balance Sheets as at March 31, 2019 and December 31, 2018, the unaudited Consolidated Statement of Changes in Shareholders’ Equity for the three months ended March 31, 2019 and 2018, and the unaudited Consolidated Statements of Cash Flows for the three months ended March 31, 2019 and 2018, contained herein, reflect all adjustments, consisting solely of normal recurring items, which are necessary for the fair presentation of the Company’s financial position, results of operations and cash flows on a basis consistent with that of the Company’s prior audited consolidated financial statements. However, the results of operations for the interim periods may not be indicative of results to be expected for the full fiscal year. Therefore, these financial statements should be read in conjunction with the audited financial statements and notes thereto and summary of significant accounting policies included in the Company’s annual report on Form 10-K for the year ended December 31, 2018. Except as noted below, there have been no material changes in the footnotes from those accompanying the audited consolidated financial statements contained in the Company’s Form 10-K for the year ended December 31, 2018. The consolidated financial statements include the accounts of the Company and its wholly owned subsidiaries. Inter-company accounts and transactions have been eliminated.

Recently Adopted Accounting Pronouncements

Codification Improvements: In July 2018, the FASB issued ASU 2018-09 “Codification Improvements” (“ASU 2018- 09”). ASU 2018-09 provides amendments to various topics in the FASB’s Accounting Standards Codification which apply to all reporting entities within the scope of the affected accounting guidance. The transition and effective date guidance are based on the facts and circumstances of each amendment. Some of the amendments in ASU 2018-09 do not require transition guidance and were effective upon issuance. However, many of the amendments do have transition guidance with effective dates for annual periods beginning after December 15, 2018. The adoption of ASU 2018-09 did not have a material impact on the Company’s financial statements and related disclosures.

Leases – ASC 842: From 2016 to 2019, the FASB issued multiple accounting standard updates (“ASU”) regarding the new ASC 842. The ASUs outline amendments and updates to ASC 842, which provides that a lessee should recognize the assets and the liabilities that arise from leases, including operating leases. Under the new requirements, a lessee will recognize in the statement of financial position a liability to make lease payments (the lease liability) and the right-of-use asset representing the right to the underlying asset for the lease term. Adoption of this ASC was completed by the Company under a modified retrospective transition method with certain practical expedients. The Company’s initial date of adoption was January 1, 2019; the adoption of ASC 842 did not result in significant changes to the financial statements.

Practical expedients and elections under ASUs and ASC 842 made by the Company are as follows:

ASU 2018-11: This update permitted an entity to elect an optional transitional practical expedient to continue to apply ASC 840, Leases, including its disclosure requirements, in the comparative periods presented in the year of adoption of ASC 842. Under this optional practical expedient, the Company applied the transition provisions on January 1, 2019 (the date of adoption) rather than January 1, 2017 (the beginning of the earliest comparative period presented); first reporting under the new standard will be the results for the first quarter of 2019. Upon adoption of ASC 842, the Company recognized a cumulative-effect adjustment to the opening accumulated deficit balance.

Package of practical expedients – to permit an entity to (a) not reassess whether expired or existing contracts contain leases, (b) not reassess lease classification for existing or expired leases and (c) not consider whether previously capitalized initial direct costs would be appropriate under the new standard. The Company opted to elect the package of practical expedients.

Hindsight practical expedient – to permit an entity to use hindsight in determining the lease term. The Company opted to elect this provision.

Easements practical expedient – this permitted an entity to elect an optional transitional practical expedient to not evaluate land easements that exist or expire before the Company’s adoption of ASC 842 that were not previously accounted for as leases under ASC 840. The Company opted to elect this transitional provision and as a result did not evaluate any of its land agreements.

Short term election – an entity may elect not to apply lease accounting to leases that are not greater than 12 months. The Company elected this short term election.

Non-lease component election – lessees may elect to account for non-lease components as part of the lease component to which they relate; an election made by class of underlying asset. This election is not relevant for the Company and therefore, the Company did not make the election.

The adoption included the following overall impact (a) increase the Company’s recorded assets and liabilities, (b) increase related depreciation and amortization expense, (c) increase interest expense and (d) decrease lease/rental expenses. Note 15 Leases within the financial statements details the Company’s cumulative-effect adjustment to the opening accumulated deficit balance.

Lease Accounting Policy: Contracts entered into are analyzed to identify whether the contract contains an operating or financing lease according to ASC 842. If a contract is determined to contain a lease, the Company will include lease payments (the lease liability) and the right-of-use asset representing the right to the underlying asset for the lease term within the Consolidated Balance Sheets. Related depreciation and amortization expense and interest expense is recorded within the Consolidated Statements of Operations. For leases with a term of twelve months or less, an accounting policy election is made to not recognize lease assets and lease liabilities. The Company has not elected to account for non-lease components as part of the lease component to which they relate.

Recently Issued Accounting Pronouncements

Measurement of Credit Losses on Financial Instruments: In June 2016, the FASB issued ASU 2016-13, “Measurement of Credit Losses on Financial Instruments”. ASU 2016-13 will change how companies account for credit losses for most financial assets and certain other instruments. For trade receivables, loans and held-to-maturity debt securities, companies will be required to estimate lifetime expected credit losses and recognize an allowance against the related instruments. For available-for-sale debt securities, companies will be required to recognize an allowance for credit losses rather than reducing the carrying value of the asset. The adoption of this update, if applicable, will result in earlier recognition of losses and impairments.

In November 2018, the FASB issued ASU 2018-19, “Codification Improvements to ASC 326, Financial Instruments – Credit Losses.” ASU 2016-13 introduced an expected credit loss methodology for the impairment of financial assets measured at amortized cost basis. That methodology replaces the probable, incurred loss model for those assets. ASU 2018-19 is the final version of Proposed Accounting Standards Update 2018-270, which has been deleted. Additionally, the amendments clarify that receivables arising from operating leases are not within the scope of Subtopic 326-20. Instead, impairment of receivables arising from operating leases should be accounted for in accordance with ASC 842, Leases.

These updates are effective for fiscal years beginning after December 15, 2019, and the Company is currently evaluating ASU 2016-13 and 2018-19 and the potential impact of adopting this guidance on its financial reporting.

Changes to the Disclosure Requirements for Fair Value Measurement: In August 2018, the FASB issued ASU 2018- 13, “Fair Value Measurement (ASC 820): Disclosure Framework – Changes to the Disclosure Requirements for Fair Value Measurement”. This update modifies the disclosure requirements for fair value measurements by removing, modifying or adding disclosures. ASU 2018-13 is effective for fiscal years beginning after December 15, 2019 and early adoption is permitted. Certain disclosures in the update are applied retrospectively, while others are applied prospectively. The Company is currently evaluating the potential impact of adopting this guidance on its financial statements.