Groowe Groowe BETA / Newsroom
⏱ News is delayed by 15 minutes. Sign in for real-time access. Sign in

Form 8-K/A

sec.gov

8-K/A — Coeur Mining, Inc.

Accession: 0000215466-26-000012

Filed: 2026-05-06

Period: 2026-03-19

CIK: 0000215466

SIC: 1040 (GOLD & SILVER ORES)

Item: Completion of Acquisition or Disposition of Assets

Item: Financial Statements and Exhibits

Documents

8-K/A — cde-20260319.htm (Primary)

EX-23.1 (auditorsconsent-8kaxex231.htm)

EX-99.3 (cde-123125proformaxex993.htm)

XML — IDEA: XBRL DOCUMENT (R1.htm)

8-K/A

8-K/A (Primary)

Filename: cde-20260319.htm · Sequence: 1

cde-20260319

0000215466true00002154662026-03-192026-03-19

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K/A

(Amendment No. 1)

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

Date of report (Date of earliest event reported): March 19, 2026

Coeur Mining, Inc.

(Exact name of registrant as specified in its charter)

Delaware

1-8641 82-0109423

(State or other jurisdiction

of incorporation or organization) (Commission

File Number) (IRS Employer

Identification No.)

200 South Wacker Drive

Suite 2100

Chicago, Illinois 60606

(Address of Principal Executive Offices)

(312) 489-5800

(Registrant's telephone number, including area code)

N/A

(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 (see General Instructions A.2 below):

☐     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 (par value $.01 per share) CDE 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 2.01. Completion of Acquisition or Disposition of Assets.

As previously announced, on November 2, 2025, Coeur Mining, Inc., a Delaware corporation (“Coeur”), New Gold Inc., a corporation existing under the laws of the Province of British Columbia, Canada (“New Gold”), and 1561611 B.C. LTD, a corporate organized and existing under the laws of the Province of British Columbia, Canada and a wholly-owned subsidiary of Coeur (“Canadian Sub”), agreed to a strategic business combination transaction (the “Arrangement”). On March 20, 2026 pursuant to the terms and conditions set forth in the Arrangement Agreement, Coeur (through the Canadian Sub) acquired all of the issued and outstanding common shares of New Gold pursuant to a Plan of Arrangement with New Gold becoming a wholly-owned subsidiary of Coeur.

The foregoing descriptions of the Arrangement and Arrangement Agreement do not purport to be complete and are qualified in their entirety by reference to the full text of the Arrangement Agreement, which is included as Exhibit 2.1 to the Current Report on Form 8-K filed with the Securities and Exchange Commission (the “SEC”) by Coeur on November 3, 2025 and is incorporated by reference herein.

This Amendment No. 1 on Form 8-K/A is being filed by Coeur to amend its Current Report on Form 8-K filed with the SEC on March 23, 2026 (the “Original Form 8-K”), solely to provide the disclosures required by Item 9.01 of Form 8-K that were omitted from the Original Form 8-K, including the required pro forma financial information. This amendment should be read in conjunction with the Original Form 8-K. No other disclosure from the Original Form 8-K is changed by this amendment.

Item 9.01.    Financial Statements and Exhibits.

(a) Financial Statements of Business Acquired.

The historical audited consolidated financial statements of New Gold as of December 31, 2025 and 2024 and for the years ended December 31, 2025 and 2024 and the related notes thereto, together with the reports of Deloitte LLP, independent registered public accounting firm, concerning those financial statements and related notes, are filed as Exhibit 99.2 to this Current Report on Form 8-K/A and are incorporated by reference.

(b) Pro Forma Financial Information.

The unaudited pro forma condensed combined balance sheet of Coeur and New Gold as of December 31, 2025, and the unaudited pro forma condensed combined statement of comprehensive income of Coeur and New Gold for the year ended December 31, 2025, including the related notes thereto, giving effect to the Arrangement, are filed as Exhibit 99.3 to this Current Report on Form 8-K/A and are incorporated herein by reference. The unaudited pro forma financial information gives effect to the Arrangement on the basis of, and subject to, the assumptions set forth in accordance with Article 11 of Regulation S-X.

(d)    List of Exhibits

Exhibit No. Description

2.1*

Arrangement Agreement, dated as of November 2, 2025 by and among Coeur Mining, Inc., New Gold Inc., and 1561611 B.C. LTD. (incorporated by reference to Exhibit 2.1 of Coeur’s Current Report on Form 8-K filed with the SEC on November 3, 2025).

3.1

Amendment to the Certificate of Incorporation of Coeur Mining, Inc., dated March 19, 2026.

23.1

Consent of Deloitte LLP

99.1

Press Release, dated March 23, 2026, issued by Coeur Mining, Inc.

99.2

The historical audited consolidated financial statements of New Gold as of December 31, 2025 and 2024 and for the years ended December 31, 2025 and 2024 and the related notes thereto, together with the reports of Deloitte LLP, independent registered public accounting firm, concerning those financial statements and related notes, incorporated by reference to Exhibit 99.1 of New Gold's report of foreign issuer on Form 6-K, filed with the SEC on March 20, 2026.

99.3

The unaudited pro forma condensed combined balance sheet of Coeur and New Gold as of December 31, 2025, and the unaudited pro forma condensed combined statement of comprehensive income of Coeur and New Gold for the year ended December 31, 2025, including the related notes thereto, giving effect to the Arrangement.

104 Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document.

*Schedules and exhibits have been omitted pursuant to Item 601(b)(2) of Regulation S-K. Coeur hereby undertakes to furnish supplemental copies of any of the omitted schedules and exhibits upon request by the SEC.

SIGNATURE

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.

COEUR MINING, INC.

Date: May 5, 2026

By: /s/ Thomas S. Whelan

Name: Thomas S. Whelan

Title: Executive Vice President and Chief Financial Officer

EX-23.1

EX-23.1

Filename: auditorsconsent-8kaxex231.htm · Sequence: 2

Document

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement No. 333-284568 on Form S-3 and Registration Statement Nos. 033-60163, 033-72524, 333-112253, 333-125903, 333-166907, 333-204142, 333-224751, 333-256016, and 333-285693 on Form S-8 of Coeur Mining Inc. of our reports dated March 19, 2026, relating to the financial statements of New Gold Inc. and the effectiveness of New Gold Inc.’s internal control over financial reporting.

/s/ Deloitte LLP

Chartered Professional Accountants

Licensed Public Accountants

Toronto, Canada

May 5, 2026

EX-99.3

EX-99.3

Filename: cde-123125proformaxex993.htm · Sequence: 3

Document

Exhibit 99.3

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION

The following unaudited pro forma condensed combined financial information (“Unaudited Pro Forma Financial Information”) has been prepared based on the historical audited consolidated financial statements of Coeur Mining, Inc. (“Coeur”), the historical audited consolidated financial statements of New Gold Inc. (“New Gold”), and the historical unaudited pro forma condensed combined statement of comprehensive income of Coeur adjusted for SilverCrest Metals Inc. (“SilverCrest”) as indicated below, and is intended to provide information about how the acquisition of New Gold by Coeur (the “Arrangement”, as described in Note 1) might have affected Coeur’s historical financial statements.

The unaudited pro forma condensed combined statement of comprehensive income (“unaudited pro forma statement of comprehensive income”) for the year ended December 31, 2025, combines the historical audited consolidated statements of comprehensive income of Coeur adjusted for SilverCrest Metals Inc. (“SilverCrest”) for the corresponding periods, with the respective historical audited consolidated income statement of New Gold, as if the Arrangement had occurred on January 1, 2025. The unaudited pro forma condensed combined balance sheet (“unaudited pro forma combined balance sheet”) as of December 31, 2025, combines the historical audited consolidated balance sheet of Coeur and the historical audited consolidated statement of financial position of New Gold each as of December 31, 2025, as if the Arrangement had occurred on December 31, 2025.

The Unaudited Pro Forma Financial Information has been developed from and should be read in conjunction with:

•the accompanying notes to the Unaudited Pro Forma Financial Information;

•the historical audited consolidated financial statements of Coeur for the year ended December 31, 2025, included in Coeur’s annual report on Form 10-K, filed with the SEC on February 18, 2026;

•the unaudited proforma condensed consolidated statement of comprehensive income of Coeur adjusted for SilverCrest for the period ended December 31, 2025, included in Coeur’s annual report on Form 10-K, filed with the SEC on February 18, 2026;

•the historical audited consolidated financial statements of New Gold for the year ended December 31, 2025, included in New Gold’s report of foreign issuer on Form 6-K, filed with the SEC on March 20, 2026; and

•other information relating to Coeur and New Gold contained in or incorporated by reference into this document.

The Unaudited Pro Forma Financial Information is presented using the acquisition method of accounting, as further described in Note 1, with Coeur as the acquirer of New Gold. Under the acquisition method of accounting, the purchase price is allocated to the underlying tangible and intangible assets acquired and liabilities assumed of New Gold based on their respective fair market values.

The Unaudited Pro Forma Financial Information is presented for informational purposes only. The information has been prepared in accordance with Article 11 of Regulation S-X of the SEC as amended by the final rule, Release No. 33-10786 “Amendments to Financial Disclosures about Acquired and Disposed Businesses,” using the assumptions set forth in the notes to the Unaudited Pro Forma Financial Information. The information has been adjusted to include estimated Arrangement accounting adjustments, which reflect the application of the accounting required by U.S. GAAP.

The information is not necessarily indicative of the financial position and results of operations that actually would have been achieved had the Arrangement occurred as of the dates indicated herein, nor do they purport to project the future financial position and operating results of the combined company. The Unaudited Pro Forma Financial Information also does not reflect the costs of any integration activities or cost savings or synergies expected to be achieved as a result of the Arrangement and, accordingly, do not attempt to predict or suggest future results.

1

Coeur Mining, Inc.

Unaudited Pro Forma Condensed Combined Balance Sheet

As of December 31, 2025

In thousands, except share data Historical Coeur Reclassified Historical New Gold (Note 3) IFRS to U.S. GAAP and Accounting Policy Adjustments (Note 4) (Note) Arrangement Accounting Adjustments (Note 5) (Note) Pro Forma Combined

ASSETS

CURRENT ASSETS

Cash and cash equivalents $ 553,597  $ 330,137  $ —  $ —  $ 883,734

Receivables 69,160  15,200  —  —  84,360

Inventory 163,330  154,183  —  240,853  5(b) 558,366

Ore on leach pads 157,461  —  —  —  157,461

Prepaid expenses and other 29,129  16,367  —  —  45,496

972,677  515,887  —  240,853  1,729,417

NON-CURRENT ASSETS

Property, plant and equipment and mining properties, net 2,744,884  2,509,601  (614,689) 4(a)(d)(e) 7,738,640  5(c) 12,378,436

Goodwill 625,812  —  —  —  625,812

Ore on leach pads 119,446  —  —  —  119,446

Non-current inventory —  111,647  (62,900) 4(f) 147,822  5(b) 196,569

Restricted assets 9,114  —  —  —  9,114

Receivables 19,683  —  —  —  19,683

Deferred tax assets 140,553  36,400  204,409  4(g) (240,809) 5(e) 140,553

Other 63,513  6,124  —  —  69,637

TOTAL ASSETS $ 4,695,682  $ 3,179,659  $ (473,180) $ 7,886,506  $ 15,288,667

LIABILITIES AND STOCKHOLDERS’ EQUITY

CURRENT LIABILITIES

Accounts payable $ 148,872  $ 313,901  $ (87,900) 4(b) $ —  $ 374,873

Accrued liabilities and other 212,213  73,900  —  19,900  5(a) 306,013

Debt 16,996  —  —  —  16,996

Reclamation 15,063  4,100  —  —  19,163

393,144  391,901  (87,900) 19,900  717,045

NON-CURRENT LIABILITIES

Debt 323,537  394,218  —  30,604  5(g) 748,359

Reclamation 262,448  130,370  4,615  4(a) —  397,433

Deferred tax liabilities 322,983  121,900  119,139  4(g) 2,542,332  5(e) 3,106,354

Other long-term liabilities 80,519  229,305  (222,200) 4(b) —  87,624

989,487  875,793  (98,446) 2,572,936  4,339,770

COMMITMENTS AND CONTINGENCIES

STOCKHOLDERS’ EQUITY

Common stock, par value $0.01 per share 6,421  3,336,997  —  (3,333,070) 5(d) 10,348

Additional paid-in capital 5,783,019  74,268  —  6,860,506  5(d) 12,717,793

Accumulated deficit (2,476,389) (1,499,300) (286,834) 4(b)(d)(e)(f) 1,766,234  5(d) (2,496,289)

3,313,051  1,911,965  (286,834) 5,293,670  10,231,852

TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY $ 4,695,682  $ 3,179,659  $ (473,180) $ 7,886,506  $ 15,288,667

See accompanying notes to unaudited pro forma condensed combined financial information.

2

Coeur Mining, Inc.

Unaudited Pro Forma Condensed Combined Statement of Comprehensive Income

For the Year Ended December 31, 2025

In thousands Historical

Coeur Adjusted

for SilverCrest (Note 6) Reclassified Historical New Gold (Note 3) IFRS to U.S. GAAP and Accounting Policy Adjustments (Note 4) (Note) Arrangement Accounting Adjustments (Note 5) (Note) Pro Forma Combined

Revenue $ 2,125,103  $ 1,476,120  $ 17,078  4(b) $ —  $ 3,618,301

COSTS AND EXPENSES

Costs applicable to sales(1)

921,656  456,408  150,895  4(b)(d) (f) 240,853  5(b) 1,769,812

Amortization 271,101  235,300  (45,651) 4(a)(d) (f) 779,907  5(c) 1,240,657

General and administrative 68,647  88,682  —  8,271  5(g) 165,600

Exploration 86,925  41,073  —  —  127,998

Pre-development, reclamation, and other 70,063  20,590  4,571  4(a) 19,900  5(a) 115,124

Asset impairment reversal —  (501,400) 501,400  4(e) —  —

Total costs and expenses 1,418,392  340,653  611,215  1,048,931  3,419,191

Income from operations 706,711  1,135,467  (594,137) (1,048,931) 199,110

OTHER INCOME (EXPENSE), NET

Gain (loss) on debt extinguishment (113) —  (22,800) 4(c) —  (22,913)

Fair value adjustments, net 6,301  (170,500) 130,700  4(b)(c) —  (33,499)

Interest expense, net of capitalized interest (30,842) (37,181) —  (4,372) 5(g) (72,395)

Other, net 6,973  (9,400) —  —  (2,427)

Total other income (expense), net (17,681) (217,081) 107,900  (4,372) (131,234)

Income before income and mining taxes 689,030  918,386  (486,237) (1,053,303) 67,876

Income and mining tax (expense) benefit (97,820) (60,500) 62,366  4(f) 106,809  5(e) 10,855

NET INCOME $ 591,210  $ 857,886  $ (423,871) $ (946,494) $ 78,731

OTHER COMPREHENSIVE INCOME:

Income (loss) on revaluation of non-current derivative financial liabilities —  (10,900) 20,900  4(b)(c) —  10,000

Deferred income tax recognized in other comprehensive income —  11,800  —  —  11,800

Accumulated other comprehensive income reclassified to retained earnings —  200  —  —  200

Other comprehensive income —  1,100  20,900  —  22,000

COMPREHENSIVE INCOME $ 591,210  $ 858,986  $ (402,971) $ (946,494) $ 100,731

NET INCOME PER SHARE

Basic income per share:

Basic $ 0.97  5(f) $ 0.08

Diluted $ 0.96  5(f) $ 0.08

(1) Excludes amortization.

See accompanying notes to unaudited pro forma condensed combined financial information.

3

1. Description of the Transaction

On November 2, 2025, the Company entered into a definitive agreement (the “Arrangement Agreement”) whereby, a wholly-owned subsidiary of Coeur would acquire all of the issued and outstanding shares of New Gold pursuant to a court-approved plan of arrangement (the “New Gold Transaction”). Under the terms of the Arrangement Agreement, New Gold shareholders received 0.4959 Coeur common shares for each New Gold common share (the “Exchange Ratio”). The Company completed the New Gold Transaction on March 20, 2026, acquiring all of the issued and outstanding shares of New Gold in exchange for 392,682,578 of Coeur common stock, par value $0.01.

2. Basis of Presentation

The accompanying Unaudited Pro Forma Financial Information presents the unaudited pro forma statement of comprehensive income which give effect to the acquisition of SilverCrest completed on February 14, 2025 and the acquisition of New Gold completed on March 20, 2026 and the unaudited pro forma balance sheet of Coeur, which give effect to the acquisition of New Gold completed on March 20, 2026. Both statements are prepared in accordance with Article 11 of SEC Regulation S-X, as amended by the final rule, Release No. 33-10786 “Amendments to Financial Disclosures about Acquired and Disposed Businesses”. Coeur and New Gold prepare their consolidated financial statements on the basis of a fiscal year ended December 31, 2025. The unaudited pro forma statement of comprehensive income was prepared using:

•the historical audited consolidated statement of comprehensive income of Coeur for the year ended December 31, 2025; and

•the unaudited proforma condensed consolidated statement of comprehensive income of Coeur adjusted for SilverCrest for the period ended December 31, 2025, included in Coeur’s annual report on Form 10-K, filed with the SEC on February 18, 2026;

•the historical audited consolidated income statement of New Gold for the year ended December 31, 2025.

The historical audited consolidated financial statements of Coeur are prepared in accordance with U.S. GAAP and are reported in U.S. dollars. The unaudited pro forma condensed combined statements of comprehensive income of Coeur and SilverCrest are prepared in accordance with U.S. GAAP and are reported in U.S. dollars. The historical audited consolidated financial statements of New Gold are prepared in accordance with IFRS Accounting Standards as issued by the International Accounting Standards Board (“IFRS”) and are reported in U.S. dollars.

The unaudited pro forma statements of comprehensive income and the unaudited pro forma balance sheet give effect to the Arrangement as if it had occurred on January 1, 2025, and December 31, 2025, respectively.

The Arrangement will be accounted for using the acquisition method of accounting, as prescribed in Accounting Standards Codification (“ASC”) 805, Business Combinations, (“ASC 805”), under U.S. GAAP, which requires an allocation of the purchase price to the assets acquired and liabilities assumed, based on their fair values as of the date of the Arrangement. As of the date of this filing, Coeur has not completed the detailed valuation study necessary to arrive at the required final estimates of the fair value of New Gold’s assets to be acquired and liabilities to be assumed and the related allocations of purchase price.

Material adjustments have been made to reflect New Gold’s historical audited consolidated financial statements on a U.S. GAAP basis for purposes of the unaudited pro forma financial information and to align New Gold’s historical significant accounting policies under IFRS to Coeur’s significant accounting policies under U.S. GAAP. As of the date of this filing, Coeur has not identified all adjustments necessary to convert New Gold’s historical audited financial statements prepared in accordance with IFRS to U.S. GAAP and to conform New Gold’s accounting policies to Coeur’s accounting policies.

A final determination of the fair value of New Gold’s assets and liabilities, including property, plant and mine development, will be based on the actual property, plant and mine development of New Gold that exist as of the closing date of the Arrangement. As a result of the foregoing, the pro forma adjustments are preliminary and are subject to change as additional information becomes available and as additional analysis is performed. The preliminary pro forma adjustments have been made solely for the purpose of providing the Unaudited Pro Forma Financial Information presented herein. Coeur has estimated the fair value of New Gold’s assets and liabilities based

4

on discussions with New Gold’s management, preliminary valuation studies, due diligence and information presented in New Gold’s filings with the Canadian securities authorities.

A final determination of fair value of New Gold’s assets and liabilities has not been finalized as of the date of filing. Any increases or decreases in the fair value of assets acquired and liabilities assumed upon completion of the final valuations will result in adjustments to the unaudited pro forma balance sheet and unaudited pro forma statements of operations. The final purchase price allocation may be materially different than that reflected in the pro forma purchase price allocation presented herein.

Purchase Consideration

Coeur completed the New Gold Transaction on March 20, 2026, acquiring all of the issued and outstanding shares of New Gold in exchange for 392,682,578 common shares. Based on the closing price of Coeur common shares on the NYSE on March 20, 2026, the implied total equity value was $6.9 billion.

(in thousands, except for share and per share data) Shares Per Share Preliminary Purchase Consideration

Stock Consideration

Shares of Coeur exchanged for New Gold issued and outstanding common shares 392,682,578  $ 17.67  $ 6,938,701

Total Preliminary Purchase Consideration $ 6,938,701

5

Preliminary Purchase Price Allocation

The table below summarizes the preliminary allocation of purchase price to the assets acquired and liabilities assumed of New Gold for the purposes of the Unaudited Pro Forma Financial Information as if the Arrangement had occurred on December 31, 2025:

(in thousands)

Preliminary Purchase Price Allocation

Cash and Cash equivalents $ 330,137

Receivables 15,200

Inventory 395,036

Prepaid expenses and other 16,367

Property, plant and equipment and mining properties, net 9,637,128

Non-current inventories 196,569

Other 6,124

Total Assets 10,596,561

Accounts payable 226,000

Accrued liabilities and other 73,900

Reclamation – current 4,100

Debt 424,822

Reclamation 134,985

Deferred tax liabilities 2,786,948

Other long-term liabilities 7,105

Total liabilities 3,657,860

Net assets acquired 6,938,701

6

3. New Gold Historical Financial Statements

New Gold’s historical audited consolidated financial statements as described above are presented under IFRS in U.S. dollars. The reclassified historical balances reflect certain reclassifications of New Gold’s consolidated income statement and consolidated statement of financial position categories to conform to Coeur’s presentation in its consolidated statement of comprehensive income and consolidated balance sheet. In addition, material adjustments have been made to align New Gold’s historical significant accounting policies under IFRS to Coeur’s significant accounting policies under U.S. GAAP. Further review may identify additional reclassifications that could have a material impact on the unaudited pro forma financial information of the combined group. The reclassifications identified and presented in the unaudited pro forma financial information are based on discussions with New Gold’s management, due diligence and information presented in New Gold’s filings with Canadian securities authorities and the SEC. As of the date of this filing, Coeur is not aware of any additional reclassifications that would have a material impact on the Unaudited Pro Forma Financial Information that are not reflected in the pro forma adjustments.

7

The reclassifications are summarized below:

Condensed Consolidated Statement of Financial Position

As of December 31, 2025

USD in thousands

New Gold Financial Statement Line Historical New Gold Reclassification Adjustments Notes Reclassified Historical New Gold Coeur Financial Statement Line

ASSETS

Current assets

Cash and cash equivalents $ 330,137  $ 330,137  Cash and cash equivalents

Trade and other receivables 15,200  15,200  Receivables – current

Inventories 154,183  154,183  Inventory

Prepaid expenses and other 15,653  714  (a) 16,367  Prepaid expenses and other

Investments 714  (714) (a) —

Total Current assets $ 515,887  $ —  $ 515,887  Total Current assets

Mining interests 2,513,501  (3,900) (b) 2,509,601  Property, plant and equipment and mining properties, net

Non-current inventories 111,647  —  111,647  Non-current inventories

Other assets 2,224  3,900  (b) 6,124  Other

Deferred tax assets 36,400  36,400  Deferred tax assets

Total assets $ 3,179,659  $ —  $ 3,179,659  Total assets

LIABILITIES AND EQUITY

Current liabilities

Trade and other payables $ 318,801  $ (4,900) (c)(d) $ 313,901  Accounts payable

Gold prepayment obligation 72,500  1,400  (d)(e) 73,900  Accrued liabilities and other

Current income tax payable 600  (600) (e) —

—  4,100  (c) 4,100  Reclamation – current

Total current liabilities $ 391,901  $ —  $ 391,901  Total current liabilities

Reclamation and closure cost obligations 130,370  —  130,370  Reclamation

Non-current derivative financial liabilities 222,230  (222,230) (f) —

Long-term debt 394,218  —  394,218  Debt

Deferred tax liabilities 121,900  —  121,900  Deferred tax liabilities

Lease obligations 1,500  (1,500) (f) —

Other liabilities 5,575  223,730  (f) 229,305  Other long-term liabilities

Total liabilities $ 1,267,694  $ —  $ 1,267,694  Total liabilities

Equity

Common shares $ 3,336,997  $ —  $ 3,336,997  Common stock

Contributed surplus 104,368  (30,100)  (g) 74,268  Additional paid-in capital

Other reserves (30,100) 30,100   (g) —

Deficit (1,499,300) —  (1,499,300) Accumulated deficit

Total equity $ 1,911,965  $ —  $ 1,911,965  Total equity

Total liabilities and equity $ 3,179,659  $ —  $ 3,179,659  Total liabilities and stockholders’ equity

(a) Represents a reclassification of New Gold’s current investments, historically included in investments, to prepaid expenses and other at Coeur.

(b) Represents a reclassification of New Gold’s right-of-use assets historically included in mining interests to other at Coeur.

(c) Represents a reclassification of New Gold’s current portion of reclamation and closure cost obligations historically included in trade and other payables to reclamation at Coeur.

(d) Represents a reclassification of New Gold’s current portion of lease liabilities historically included in trade and other payables to accrued liabilities and other at Coeur.

8

(e) Represents a reclassification of New Gold’s current income tax payable and gold prepayment obligations historically included in current income tax payable and gold prepayment obligations respectively to accrued liabilities and other at Coeur.

(f) Represents a reclassification of New Gold’s lease obligations and non-current derivative financial liabilities historically included in lease obligations and non-current derivative financial liabilities respectively to other long-term liabilities at Coeur.

(g) Represents a reclassification of New Gold’s other reserves historically included in other reserves to additional paid-in capital at Coeur.

9

Condensed Consolidated Income Statement

For the year ended December 31, 2025

USD in thousands

New Gold Financial Statement Line Historical New Gold Reclassifications Adjustments Notes Reclassified Historical New Gold Coeur Financial Statement Line

Revenues $ 1,476,120  $ —  $ 1,476,120  Revenue

Operating expenses 456,408  —  456,408  Costs applicable to sales

Depreciation and depletion 235,000  300  (a) 235,300  Amortization

Revenue less cost of goods sold 784,712  (300) 784,412

Corporate administration 24,647  64,035  (b) 88,682  General and administrative

Corporate restructuring 3,300  17,290  (c)(f) 20,590  Pre-development, reclamation, and other

Share-based payment expenses 64,035  (64,035) (b) —

New Afton free cash flow interest (income) expense 2,800  (2,800) (e) —

Asset impairment reversal (501,400) —  (501,400)

Exploration and business development 41,073  —  41,073  Exploration

Earnings from operations 1,150,257  (14,790) 1,135,467  Income from operations

Finance income 5,383  (5,383) (e) —

—  (170,500) (d) (170,500) Fair value adjustments, net

Finance costs (44,254) 7,073  (a)(c)(e) (37,181) Interest expense, net of capitalized interest

Transaction costs (13,100) 13,100  (f) —

Other losses (179,900) 170,500  (d) (9,400) Other, net

Earnings before taxes 918,386  —  918,386  Income before income and mining taxes

Income tax (expense) recovery (60,500) —  (60,500) Income and mining tax (expense) benefit

Net earnings $ 857,886  $ —  $ 857,886  Net income

(a) Represents a reclassification of New Gold’s interest expense on lease, historically included in finance costs expenses, to amortization at Coeur.

(b) Represents a reclassification of New Gold’s share-based payment expenses, historically included in share-based payment expenses, to general and administrative at Coeur.

(c) Represents a reclassification of New Gold’s unwinding of discount on reclamation obligation, historically included in finance costs, to pre-development, reclamation, and other at Coeur.

(d) Represents a reclassification of New Gold’s gains and losses for financial and derivative assets and liabilities, historically included in other losses to fair value adjustments, net

(e) Represents a reclassification of New Gold’s New Afton free cash flow interest (income) expense and finance income, historically included in New Afton free cash flow interest (income) expense and finance income, to interest expense, net of capitalized interest at Coeur.

(f) Represents a reclassification of New Gold’s transaction cost on acquisition, to pre-development, reclamation, and other at Coeur.

10

4. IFRS to U.S. GAAP and Accounting Policy Alignment Adjustments

IFRS differs in certain material respects from U.S. GAAP. The following material adjustments have been made to reflect New Gold’s audited historical consolidated income statement and consolidated statement of financial position on a U.S. GAAP basis for the purposes of the Unaudited Pro Forma Financial Information. In addition, material adjustments have also been made to align New Gold’s significant accounting policies under IFRS to Coeur’s significant accounting policies under U.S. GAAP when there is no specific difference between IFRS and U.S. GAAP.

(a) Reclamation and remediation liabilities

Under U.S. GAAP, the initial recognition of the reclamation and remediation liability is recognized at fair value, generally utilizing a present value technique to estimate the liability discounted at a credit-adjusted risk-free interest rate, and further adjusted for inflation and market risk premium. Subsequently, period-to-period revisions to either the timing or amount of the original estimate of undiscounted cash flows are treated as separate layers of the obligation.

Under IFRS, reclamation and remediation liabilities are generally measured as the best estimate of the expenditure to settle the obligation utilizing a present value technique to estimate the liability, adjusted for inflation, associated with reclamation as a liability, at a risk-free rate, when the liability is incurred. Subsequently, period-to-period revisions for changes in the estimate of expected undiscounted cash flows or discount rate are re-measured for the entire obligation by using an updated discount rate that reflects current market conditions as of the balance sheet date.

The Unaudited Pro Forma Financial Information does not reflect the impact of converting New Gold’s reclamation and remediation liabilities and related reclamation and remediation expenses on a U.S. GAAP basis as it is impractical to re-estimate the impact of period-to-period revisions to the timing or amount of the original reclamation liability over historical periods using the layering approach and credit-adjusted risk-free rates.

The following table reflects the impacts of changes made to the reclamations and remediation liabilities:

(in thousands)

As of December 31, 2025

For the year ended December 31, 2025

Condensed Balance Sheet

Property, plant and equipment and mine development, net $ 4,615

Reclamation liabilities $ 4,615

Condensed Statement of Comprehensive Income

Amortization $ 39

Pre-development, reclamation and other $ 4,571

(b) Gold stream obligation

New Gold entered into a streaming agreement with RGLD Gold AG (Switzerland), receiving an advance of $175 million. Under IFRS, this advance was recorded as a financial liability measured at fair value through profit and loss (“FVTPL”), whereas under U.S. GAAP, it is treated as deferred revenue and amortized over the delivery schedule. Accordingly, the pro forma adjustments include: (i) reversal of the liability balance as of December 31, 2025, since under US GAAP the deferred revenue was fully amortized by April 2025; (ii) reversal of fair value gains/losses recognized under IFRS, as U.S. GAAP does not permit such measurement; and (iii) recognition of revenue and related cost of sales under U.S. GAAP. These adjustments eliminate IFRS liability and fair value effects, replacing them with deferred revenue recognition under U.S. GAAP.

The following table reflects the impacts of changes made for the gold stream obligation:

11

(in thousands)

As of December 31, 2025

For the year ended December 31, 2025

Condensed Balance Sheet

Accounts payable $ (87,900)

Other long-term liabilities $ (222,200)

Accumulated deficit $ 310,100

Condensed Statement of Comprehensive Income

Fair value adjustments, net $ 140,700

Other comprehensive income $ 10,900

Revenue $ 17,078

Costs applicable to sales $ 68,278

(c) Free Cash Flow (“FCF”) interest obligation

In March 2020, New Gold entered into a strategic partnership ("Original Agreement") with Ontario Teachers Pension Plan (“OTPP”). Under the terms of the Original Agreement, OTPP acquired a 46% FCF interest in the New Afton mine for upfront cash proceeds of $300 million. The Original Agreement was determined to be a financial liability that New Gold designated as FVTPL under the scope of IFRS 9. In May 2024, the FCF agreement was amended. In exchange for a $255 million cash payment from New Gold to OTPP, OTPP's interest in the Free Cash Flows was reduced from 46% to 19.9%. As part of this amendment, New Gold also granted OTPP a right to receive $20 million in cash if the Company were to complete a change of control (“CoC”) by January 2026. In July 2024, the Company made a final payment of $42.6 million to OTPP as part of the minimum cash guarantee under the terms of the Original Agreement. Upon extinguishment of the FVTPL liability, $114.5 million presented in other comprehensive income relating to changes in the credit risk of the liability was subsequently transferred to deficit. Under IFRS, this was treated as a derecognition event of the entire financial liability and a sale of a mineral interest to OTPP. The remaining FCF obligation was treated as an executory contract i.e., only recognize/accrue when such amount is due and payable. Under U.S. GAAP, the arrangement would continue to be accounted for as a debt instrument under ASC 470, with the contingent consideration payable in cash to be classified as a liability instrument and recorded at fair value. The fair value of the contingent consideration payment in cash is included in the calculation of extinguishment gain or loss and subsequently remeasured each period with changes in fair value recorded in earnings. Upon settlement of the liability, U.S. GAAP requires a reclassification of other comprehensive income (“OCI”) through the income statement, Fair value adjustments, net.

In April 2025, New Gold entered into an agreement with OTPP to acquire the remaining FCF obligation and the $20 million contingent liability in exchange for $300 million in cash. Under IFRS, this was accounted for as a reacquisition of the mining interest and extinguishment of the CoC contingent liability. Under U.S. GAAP, the remaining FCF obligation and contingent consideration would be remeasured at fair value immediately before settlement, and an extinguishment gain, or loss would be recognized based on the difference between cash paid and the combined fair values of the extinguished obligations. Upon settlement of the liability, U.S. GAAP requires a reclassification of OCI through the income statement, Fair value adjustments, net.

The following table reflects the impacts of changes made for the free cash flow interest obligation:

(in thousands)

For the year ended December 31, 2025

Condensed Statement of Comprehensive Income

Gain (loss) on debt extinguishment $ (22,800)

Fair value adjustments, net $ (10,000)

Other comprehensive income $ 10,000

12

(d) Capitalized Stripping Costs

Under IFRS, certain stripping costs incurred during the production phase are capitalized as part of mineral property assets when they provide improved access to ore reserves. These costs are subsequently amortized over the expected useful life of the improved access.

In contrast, under U.S. GAAP, stripping costs incurred during the production phase are generally expensed as incurred and included in cost of sales. U.S. GAAP does not permit capitalization of such costs unless they meet specific development criteria.

To align New Gold’s accounting with U.S. GAAP for pro forma purposes, the following adjustments have been made:

1.Previously capitalized stripping costs under IFRS have been removed from property, plant, and equipment.

2.Depreciation recorded under IFRS on the capitalized stripping costs has been reversed from the pro forma statement of Comprehensive Income.

3.The stripping costs that were capitalized under IFRS have been expensed in the pro forma statement of statement of Comprehensive Income under “Cost applicable to sales,” consistent with U.S. GAAP treatment. The offsetting entry has been recorded to accumulated deficit to reflect the historical nature of the adjustment and maintain balance sheet integrity.

The following table reflects the impacts of changes made for capitalized stripping costs:

(in thousands)

As of December 31, 2025

For the year ended December 31, 2025

Condensed Balance Sheet

Property, plant and equipment and mine development, net $ (32,634)

Accumulated deficit $ (32,634)

Condensed Statement of Comprehensive Income

Amortization $ (74,390)

Costs applicable to sales $ 48,417

(e) IFRS Impairment Reversal

Under IFRS, the reversal of previously recognized impairment losses on certain non‑financial assets is permitted when there is an indication that the impairment no longer exists or has decreased.

In contrast, U.S. GAAP prohibits the reversal of impairment losses for long‑lived assets held for use, as stipulated under ASC 360 – Property, Plant, and Equipment.

To align New Gold’s accounting with U.S. GAAP for pro forma purposes, the following adjustments have been made:

1.Previously reversed impairment loss under IFRS have been added back from property, plant, and equipment.

2.Depreciation that should have been recorded under IFRS on the reversed impairment adjusted portion has been recorded in the pro forma statement of statement of comprehensive income.

The following table reflects the impacts of changes made for the reversal of previously recognized impairment losses:

13

(in thousands)

As of December 31, 2025

For the year ended December 31, 2025

Condensed Balance Sheet

Property, plant and equipment and mining properties, net $ (501,400)

Accumulated deficit $ (501,400)

Condensed Statement of Comprehensive Income

Asset impairment reversal $ 501,400

(f) IFRS Inventory write down reversal

IFRS permits the reversal of previously recognized inventory write‑downs when the circumstances that initially caused the write‑down no longer exist or when there is clear evidence of an increase in net realizable value. Such reversals are recognized in the period in which the reversal occurs, as required by IAS 2 – Inventories.

In contrast US GAAP prohibits the reversal of inventory write‑downs once recorded. Under ASC 330 – Inventory, inventory must be carried at the lower of cost or market, and any previously recognized write‑down cannot be reversed even if market conditions improve.

Accordingly, for purposes of the pro forma financial statements, an adjustment has been recorded to eliminate the reversal recognized under IFRS and to reflect the inventory balance and related expense as they would appear under US GAAP. This adjustment includes:

1.Reduction of inventory to the level that would have been reported had the IFRS write‑down reversal not been recognized.

2.A corresponding increase in expense to remove the impact of the IFRS‑permitted reversal.

The following table reflects the impacts of changes made for the reversal of previously recognized inventory write‑downs:

(in thousands)

As of December 31, 2025

For the year ended December 31, 2025

Condensed Balance Sheet

Non-current Inventory $ (62,900)

Accumulated Deficit $ (62,900)

Condensed Statement of Comprehensive Income

Costs applicable to sales $ 34,200

Amortization $ 28,700

(g) Income taxes

Deferred income taxes have been recognized based on pro forma IFRS to U.S. GAAP accounting and policy alignment adjustments to identifiable assets acquired and liabilities assumed of New Gold using the statutory tax rate on a jurisdictional basis. The increase in Deferred tax liabilities reflects the preliminary estimate of deferred taxes recognized on the new book to tax basis differences of assets acquired and liabilities assumed.

The estimated income and mining tax expense impact of the IFRS to U.S. GAAP and accounting policy alignment adjustments (except for the impact of certain transaction costs for which no tax benefit is expected due to a valuation allowance) has been recognized based upon the statutory tax rates applicable on a jurisdictional basis.

14

5. Arrangement Accounting Adjustments

The following adjustments have been made to the Unaudited Pro Forma Financial Information to reflect certain preliminary purchase price accounting and other pro forma adjustments. Further review may identify additional adjustments that could have a material impact on the unaudited pro forma financial information of the combined group. At this time, Coeur is not aware of any additional arrangement-related adjustments that would have a material impact on the unaudited pro forma financial information that are not reflected or disclosed in the pro forma adjustments.

(a) Arrangement costs and other one-time charges

The increase in Pre-development, reclamation, and other of $19.9 million for the year ended December 31, 2025 and the corresponding increase in Accrued liabilities and other of $19.9 million, of which $19.9 million relates to financial advisory services fees, reflects the adjustment to recognize transaction costs and other non-recurring charges expected to be incurred in connection with the Arrangement. For the year ended December 31, 2025, $34.3 million and $13.1 million were recognized in Pre-development, reclamation, and other and Transaction costs by Coeur and New Gold within their historical financial information, respectively, relating to transaction costs and non-recurring charges incurred.

(b) Inventories

The adjustment to increase Inventories by $240.9 million and increase in non-current inventories of $147.8 million reflects the adjustments to step up the pro forma balance for New Gold’s finished goods, work-in-process and stockpile inventory to the estimated fair value as of December 31, 2025. The fair value was determined based on the estimated selling price of the inventory, less the remaining processing and selling costs and a normal profit margin on those processing and selling efforts. As a result of the increase, there was an increase to Costs applicable to sales of $240.9 million for the year ended December 31, 2025.

(c) Property, plant and equipment and mine development, net

The adjustment to Property, plant and equipment and mine development, net $7,738.6 million reflects the net increase in property, plant, and equipment and mine development as of December 31, 2025, due to the impact of other arrangement adjustments and the related increase to Amortization of $779.9 million for the year ended December 31, 2025.

(d) New Gold shareholders’ equity

The adjustment reflects the adjustment of $5,313.6 million of New Gold’s shareholders’ equity, which represents the historical book value of New Gold’s net assets including IFRS to U.S. GAAP and accounting policy adjustments of $286.8 million, as a result of the application of purchase price accounting. The adjustment reflects a decrease of $3,333.1 million to Common stock and an increase of $6,860.5 million to Additional paid-in capital to reflect the issuance of 392.7 million shares of Coeur common stock with a par value of $0.01 per share to satisfy the issuance of 0.4959 shares of Coeur common stock for each New Gold common share outstanding pursuant to the Arrangement Agreement, assuming a closing price of Coeur common stock on March 20, 2026 of $17.67 per share. The table below reflects the elimination of New Gold’s shareholders’ equity after adjustments for IFRS to U.S. GAAP differences and purchase price accounting and other pro forma adjustments as of December 31, 2025:

(in thousands) Reclassified Historical New Gold IFRS to U.S. GAAP and Accounting Policy Adjustments Arrangement Accounting Adjustments Equity Adjustments Notes Pro Forma

Common stock $ 3,336,997  $ —  $ —  $ (3,333,070) 1 3,927

Additional paid-in capital 74,268  —  —  6,860,506  2 6,934,774

Accumulated deficit (1,499,300) (286,834) (19,900) 1,786,134  3 (19,900)

Total New Gold Equity $ 1,911,965  $ (286,834) $ (19,900) $ 5,313,570  $ 6,918,801

1.Represents adjustments to eliminate historical common stock of New Gold amounting to $3,337.0 million and the issuance of 392.7 million shares of Coeur common shares with a par value of $0.01 to be

15

exchanged for 791.7 million shares of issued and outstanding New Gold shares of common stock as of December 31, 2025.

2.Represents adjustments to eliminate historical additional paid in capital of New Gold amounting to $74.3 million and to record the issuance of 392.7 million shares for $6,934.8 million, calculated by deducting the $3.9 million included in Common stock from the common stock portion of the purchase price consideration of $6,938.7 million.

3.Represents adjustments to eliminate New Gold’s historical Accumulated deficit of $1,499.3 million net of $286.8 million of IFRS to U.S. GAAP and accounting policy adjustments. The remaining $19.9 million represents transaction costs.

(e) Income taxes

Deferred income taxes have been recognized based on pro forma adjustments to identifiable assets acquired and liabilities assumed of New Gold using the statutory tax rate on a jurisdictional basis. The $2,542.3 million increase in Deferred tax liabilities and $240.8 million decrease in Deferred tax assets reflects the preliminary estimate of deferred tax assets and liabilities recognized on the new book to tax basis differences of assets acquired and liabilities assumed, and have been recognized as part of Property, plant and equipment and mining properties, net.

The estimated income and mining tax expense impact of the pro forma adjustments (except for the impact of certain transaction costs for which no tax benefit is expected due to a valuation allowance) has been recognized based upon the statutory tax rates applicable on a jurisdictional basis.

(f) Earnings per share

The pro forma combined diluted earnings per share presented below reflects the adjustment to weighted average number of shares outstanding based on 0.4959 shares of Coeur common stock for each New Gold share outstanding of 791.7 shares million as of December 31, 2025 as follows:

(in thousands, except per share For the year

ended

December 31, 2025

Pro forma net income from continuing operations attributable to

Coeur stockholders $ 78,731

Pro forma basic weighted average Coeur shares outstanding1

1,006,018

Pro forma basic earnings per share $ 0.08

Pro forma diluted weighted average Coeur shares outstanding2

1,015,718

Pro forma diluted earnings per share $ 0.08

(1) For the year ended December 31, 2025, basic weighted average shares of 1,006.0 million is composed of 392.7 million shares of Coeur common shares to be exchanged for 791.7 million shares of issued and outstanding New Gold shares of common stock as of December 31, 2025, and 607.2 million pre-existing share of Coeur.

(2) For the year ended December 31, 2025, diluted weighted average shares of 1,015.7 million includes 7.4 million and 2.3 million associated with Coeur’s and New Gold’s stock-based compensation plans.

(g) Long-term Debt

The adjustment to increase long term debt $30.6 million reflects the fair value estimate of debt as of December 31, 2025, and the related increase to Interest expense of $4.4 million for the year ended December 31, 2025.

16

6. SilverCrest Arrangement Accounting Adjustments

Coeur completed the acquisition of SilverCrest on February 14, 2025. Coeur’s historical consolidated financial statements for the period January 1, 2025 through February 14, 2025 do not include SilverCrest’s results of operations.

In accordance with Article 11 of Regulation S-X, the unaudited pro forma condensed combined financial information gives effect to this arrangement as if it had occurred at the beginning of the periods presented. The pro forma financial information also reflects a separate arrangement for the completed acquisition of SilverCrest that required separate financial statements under Rule 3-05 of Regulation S-X and was previously reported on Form 8-K/A in 2025.

To provide a more meaningful presentation of the combined entity’s operating results, management has prepared Coeur’s historical statement of comprehensive income adjusted to include SilverCrest’s historical results, together with related pro forma adjustments. These adjustments include:

a.Arrangement Accounting Adjustments to reflect the impact of the acquisition accounting under U.S. GAAP;

b.IFRS to U.S. GAAP Conversion Adjustments to align SilverCrest’s historical financial information with Coeur’s accounting policies and U.S. GAAP requirements.

The table below present Coeur’s historical statement of comprehensive income adjusted for SilverCrest’s historical results for the adjustments noted above.

17

Unaudited Pro Forma Condensed Combined Statement of Comprehensive Income

For the Year Ended December 31, 2025

(In thousands) Historical Coeur Historical SilverCrest SilverCrest IFRS to U.S. GAAP and Accounting Policy Adjustments (Note A) SilverCrest Arrangement Accounting Adjustments Note

Historical

Coeur Adjusted

for SilverCrest

Revenue $ 2,070,126  $ 54,977  $ —  $ —  $ 2,125,103

COSTS AND EXPENSES $ 234,324,234,234

Costs applicable to sales 898,437  23,194  25  A(1) —  921,656

Amortization 251,099  7,844  3,035  A(2)(3) 9,123  1 271,101

General and administrative 57,197  11,450  —  —  68,647

Exploration 86,592  333  —  —  86,925

Pre-development, reclamation, and other 69,788  142  133  A(3) —  70,063

Total costs and expenses 1,363,113  42,963  3,193  9,123  1,418,392

Income from operations 707,013  12,014  (3,193) (9,123) 706,711

OTHER INCOME (EXPENSE), NET

Gain (loss) on debt extinguishment (113) —  —  —  (113)

Fair value adjustments, net (342) 6,643  —  —  6,301

Interest expense, net of capitalized interest (30,942) 100  —  —  (30,842)

Other, net 6,922  51  —  —  6,973

Total other income (expense), net (24,475) 6,794  —  —  (17,681)

Income before income and mining taxes 682,538  18,808  (3,193) (9,123) 689,030

Income and mining tax expense (96,666) (4,845) 954  A(4) 2,737  2 (97,820)

NET INCOME $ 585,872  $ 13,963  $ (2,239) $ (6,386) $ 591,210

Other comprehensive income —  —  —  —  —

COMPREHENSIVE INCOME $ 585,872  $ 13,963  $ (2,239) $ (6,386) $ 591,210

NET INCOME PER SHARE

Basic income per share:

Basic $ 0.96  $ 0.97

Diluted $ 0.95  $ 0.96

(1) The arrangement accounting adjustment to increase Amortization for the impact of the recognition of Property, plant and equipment and

mine development, net to fair value.

(2) The estimated income and mining tax expense impact of the pro forma adjustments has been recognized based upon the statutory tax rates applicable on a jurisdictional basis.

18

A) IFRS to U.S. GAAP and Accounting Policy Alignment Adjustments

IFRS differs in certain material respects from U.S. GAAP. The following material adjustments have been made to reflect SilverCrest’s historical unaudited consolidated income statement on a U.S. GAAP basis for the purposes of the Unaudited Pro Forma Financial Information. In addition, material adjustments have also been made to align SilverCrest’s significant accounting policies under IFRS to Coeur’s significant accounting policies under U.S. GAAP when there is no specific difference between IFRS and U.S. GAAP.

(1) Employee-related benefits

Under U.S. GAAP, an entity uses the service period approach to account for termination benefits when certain conditions are met. Benefits accumulate over time based on length of service. Under this approach, the benefit cost is accrued over an employee’s service period.

Under IFRS, an entity recognizes termination benefits as a liability and an expense only when an entity is demonstrably committed to the redundancies by having (i) a detailed plan for the terminations and (ii) when it can no longer withdraw the offer made in relation to termination benefits. This generally results in termination benefits being recognized when the closure date for a mine site has been announced and other recognition criteria have been met.

(2) Amortization

Under U.S. GAAP, Coeur’s accounting policy amortizes certain mine development costs using the units-of production method over the estimated life of the ore body, generally based on recoverable ounces to be mined from proven and probable reserves.

Under IFRS, SilverCrest includes estimated recoverable ounces using the mineable tonnes extracted from the mine in the period as a percentage of the total mineable tonnes to be extracted in current and future periods based on mineral reserves.

This difference resulted in an additional $2.9 million of Amortization expense being recognized in the period.

(3) Reclamation and remediation liabilities

Under U.S. GAAP, the initial recognition of the reclamation and remediation liability is recognized at fair value, generally utilizing a present value technique to estimate the liability discounted at a credit-adjusted risk-free interest rate, and further adjusted for inflation and market risk premium. Subsequently, period-to-period revisions to either the timing or amount of the original estimate of undiscounted cash flows are treated as separate layers of the obligation.

Under IFRS, reclamation and remediation liabilities are generally measured as the best estimate of the expenditure to settle the obligation utilizing a present value technique to estimate the liability, adjusted for inflation, associated with reclamation as a liability, at a risk-free rate, when the liability is incurred. Subsequently, period-to-period revisions for changes in the estimate of expected undiscounted cash flows or discount rate are re-measured for the entire obligation by using an updated discount rate that reflects current market conditions as of the balance sheet date.

This difference resulted in an additional $0.1 million of Amortization expense and $0.1 million of Pre-development, reclamation and other expenses being recognized in the period.

(4) Income taxes

The estimated income and mining tax expense impact of the IFRS to U.S. GAAP and accounting policy alignment adjustments (except for the impact of certain transaction costs for which no tax benefit is expected due to a valuation allowance) has been recognized based upon the statutory tax rates applicable on a jurisdictional basis.

19

XML — IDEA: XBRL DOCUMENT

XML

Filename: R1.htm · Sequence: 8

v3.26.1

Cover Document

Mar. 19, 2026

Cover [Abstract]

Entity Central Index Key

0000215466

Entity Emerging Growth Company

false

Title of 12(b) Security

Common Stock (par value $.01 per share)

Entity Incorporation, State or Country Code

DE

Document Type

8-K/A

Document Period End Date

Mar. 19, 2026

Entity Registrant Name

Coeur Mining, Inc.

Entity File Number

1-8641

Entity Tax Identification Number

82-0109423

Entity Address, Address Line One

200 South Wacker Drive

Entity Address, Address Line Two

Suite 2100

Entity Address, City or Town

Chicago

Entity Address, State or Province

IL

Entity Address, Postal Zip Code

60606

City Area Code

312

Local Phone Number

489-5800

Written Communications

false

Soliciting Material

false

Pre-commencement Tender Offer

false

Pre-commencement Issuer Tender Offer

false

Trading Symbol

CDE

Security Exchange Name

NYSE

Amendment Flag

true

Amendment Description

As previously announced, on November 2, 2025, Coeur Mining, Inc., a Delaware corporation (“Coeur”), New Gold Inc., a corporation existing under the laws of the Province of British Columbia, Canada (“New Gold”), and 1561611 B.C. LTD, a corporate organized and existing under the laws of the Province of British Columbia, Canada and a wholly-owned subsidiary of Coeur (“Canadian Sub”), agreed to a strategic business combination transaction (the “Arrangement”). On March 20, 2026 pursuant to the terms and conditions set forth in the Arrangement Agreement, Coeur (through the Canadian Sub) acquired all of the issued and outstanding common shares of New Gold pursuant to a Plan of Arrangement with New Gold becoming a wholly-owned subsidiary of Coeur.The foregoing descriptions of the Arrangement and Arrangement Agreement do not purport to be complete and are qualified in their entirety by reference to the full text of the Arrangement Agreement, which is included as Exhibit 2.1 to the Current Report on Form 8-K filed with the Securities and Exchange Commission (the “SEC”) by Coeur on November 3, 2025 and is incorporated by reference herein.This Amendment No. 1 on Form 8-K/A is being filed by Coeur to amend its Current Report on Form 8-K filed with the SEC on March 23, 2026 (the “Original Form 8-K”), solely to provide the disclosures required by Item 9.01 of Form 8-K that were omitted from the Original Form 8-K, including the required pro forma financial information. This amendment should be read in conjunction with the Original Form 8-K. No other disclosure from the Original Form 8-K is changed by this amendment.

X

- Definition

Description of changes contained within amended document.

+ References

No definition available.

+ Details

Name:

dei_AmendmentDescription

Namespace Prefix:

dei_

Data Type:

xbrli:stringItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.

+ References

No definition available.

+ Details

Name:

dei_AmendmentFlag

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Area code of city

+ References

No definition available.

+ Details

Name:

dei_CityAreaCode

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Cover page.

+ References

No definition available.

+ Details

Name:

dei_CoverAbstract

Namespace Prefix:

dei_

Data Type:

xbrli:stringItemType

Balance Type:

na

Period Type:

duration

X

- Definition

For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.

+ References

No definition available.

+ Details

Name:

dei_DocumentPeriodEndDate

Namespace Prefix:

dei_

Data Type:

xbrli:dateItemType

Balance Type:

na

Period Type:

duration

X

- Definition

The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.

+ References

No definition available.

+ Details

Name:

dei_DocumentType

Namespace Prefix:

dei_

Data Type:

dei:submissionTypeItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Address Line 1 such as Attn, Building Name, Street Name

+ References

No definition available.

+ Details

Name:

dei_EntityAddressAddressLine1

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Address Line 2 such as Street or Suite number

+ References

No definition available.

+ Details

Name:

dei_EntityAddressAddressLine2

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Name of the City or Town

+ References

No definition available.

+ Details

Name:

dei_EntityAddressCityOrTown

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Code for the postal or zip code

+ References

No definition available.

+ Details

Name:

dei_EntityAddressPostalZipCode

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Name of the state or province.

+ References

No definition available.

+ Details

Name:

dei_EntityAddressStateOrProvince

Namespace Prefix:

dei_

Data Type:

dei:stateOrProvinceItemType

Balance Type:

na

Period Type:

duration

X

- Definition

A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityCentralIndexKey

Namespace Prefix:

dei_

Data Type:

dei:centralIndexKeyItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Indicate if registrant meets the emerging growth company criteria.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityEmergingGrowthCompany

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.

+ References

No definition available.

+ Details

Name:

dei_EntityFileNumber

Namespace Prefix:

dei_

Data Type:

dei:fileNumberItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Two-character EDGAR code representing the state or country of incorporation.

+ References

No definition available.

+ Details

Name:

dei_EntityIncorporationStateCountryCode

Namespace Prefix:

dei_

Data Type:

dei:edgarStateCountryItemType

Balance Type:

na

Period Type:

duration

X

- Definition

The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityRegistrantName

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

na

Period Type:

duration

X

- Definition

The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityTaxIdentificationNumber

Namespace Prefix:

dei_

Data Type:

dei:employerIdItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Local phone number for entity.

+ References

No definition available.

+ Details

Name:

dei_LocalPhoneNumber

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 13e

-Subsection 4c

+ Details

Name:

dei_PreCommencementIssuerTenderOffer

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 14d

-Subsection 2b

+ Details

Name:

dei_PreCommencementTenderOffer

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Title of a 12(b) registered security.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b

+ Details

Name:

dei_Security12bTitle

Namespace Prefix:

dei_

Data Type:

dei:securityTitleItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Name of the Exchange on which a security is registered.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection d1-1

+ Details

Name:

dei_SecurityExchangeName

Namespace Prefix:

dei_

Data Type:

dei:edgarExchangeCodeItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 14a

-Subsection 12

+ Details

Name:

dei_SolicitingMaterial

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Trading symbol of an instrument as listed on an exchange.

+ References

No definition available.

+ Details

Name:

dei_TradingSymbol

Namespace Prefix:

dei_

Data Type:

dei:tradingSymbolItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Securities Act

-Number 230

-Section 425

+ Details

Name:

dei_WrittenCommunications

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

na

Period Type:

duration