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Exhibit 99.1 Coeur Mining, Inc. Announces Expiration and Final Results of Previously Announced Exchange Offer and Consent Solicitation for New Gold Senior Notes

Financings Debt & Credit Facilities

Exhibit 99.1

Coeur Mining, Inc. Announces Expiration and Final Results of Previously Announced Exchange Offer and

Consent Solicitation for New Gold Senior Notes

April 21, 2026

CHICAGO--(

BUSINESS WIRE)--

Coeur

Mining, Inc. (

NYSE: CDE) (“

Coeur” or the “

Company”) today announced the final results of its previously announced private

exchange offer to

certain

Eligible Holders (the “

Exchange Offer”) for any and all of the US

$400,000,000

aggregate principal amount outstanding

of the 6.875%

Senior

Notes due

2032 (CUSIP: 644535 AJ5 / C62944 AE0; ISIN: US644535AJ57 / USC62944AE04) (the “

Existing Notes”) issued by

New Gold Inc. (“

New

Gold”), in exchange

for

Coeur’s

6.875%

Senior Notes due

2032 (the “

New Notes”) and cash, pursuant to the terms and subject to the conditions set forth in

the

exchange offer

memorandum and

consent

solicitation statement dated

March 23, 2026 (as the same may be amended or supplemented from time to time, the “

Exchange Offer

Memorandum”).

As of 5:00 p.m.,

New York City time, on

April 20, 2026 (the “

Expiration Date”), according to information provided by

Global Bondholder Services Corporation, the

information agent and exchange agent for the

Exchange Offer, US

$500,000

aggregate principal amount of

Existing Notes had been validly tendered and not validly

withdrawn after 5:00

p.m., New York City time, on April 3, 2026 (the “Early Participation Date”), but prior to the

Expiration Date. Subject to the terms and conditions of

the

Exchange

Offer,

Coeur is accepting for purchase all US

$500,000 aggregate principal amount of

Existing

Notes validly tendered after the Early Participation Date

and at or prior to the

Expiration Date, in addition to the US

$385,300,000

aggregate principal amount of

Existing

Notes validly tendered at or prior to the Early

Participation Date, for a total of US

$385,800,000 aggregate principal amount of

Existing Notes (representing approximately

96.45% of the outstanding

Existing Notes)

validly tendered and not validly withdrawn, and accepted for exchange, in exchange for

$385,774,000 in

aggregate

principal amount of

New Notes and approximately

$771,600 in cash (including

$770,600 in cash consideration and

$1,000 in cash in lieu of fractional notes). The settlement date with respect to all

Existing Notes validly

tendered and

not validly withdrawn and accepted for purchase is

April 22, 2026.

RBC Capital Markets, LLC acted as the

Dealer Manager

for the

Exchange Offer.

The information agent and exchange agent

was Global Bondholder

Services

Corporation.

The

New Notes offered in the

Exchange Offer have not been registered under the

Securities Act

of 1933, as amended (the “

Securities Act”), or any state securities

laws. Therefore, the

New Notes may not be offered or sold in the

United States absent registration or an applicable exemption from the

registration requirements of

the

Securities Act, and any applicable state securities laws.

About Coeur

Coeur Mining, Inc. (

NYSE: CDE) is a

U.S.-based,

well-diversified, growing precious metals producer with

seven wholly-owned operations: the

New

Afton gold-

copper mine in

British Columbia,

Canada, the

Rainy River gold-silver mine in

Ontario,

Canada, the

Las Chispas silver-gold mine in

Sonora,

Mexico, the

Palmarejo gold-

silver mine in

Chihuahua,

Mexico, the

Rochester silver-gold mine in

Nevada, the

Kensington gold mine in

Alaska and the

Wharf gold mine in

South Dakota. In

addition, the

Company wholly-owns the

Silvertip polymetallic critical minerals exploration project in

British Columbia,

Canada.

Forward-

Looking Statements and Cautionary Statements

Certain statements in this press release, including, but not limited to, any statements regarding

Coeur’s

or

New Gold’s future expectations, beliefs, plans, objectives,

financial conditions, assumptions or future events or performance that are not historical facts are “forward-looking” statements based on

assumptions currently

believed to be valid. Forward-looking statements are all statements other than statements of historical facts. The words “anticipate,” “believe,” “ensure,” “expect,”

“if,” “intend,” “estimate,” “probable,” “project,”

“forecasts,” “predict,” “outlook,” “aim,” “will,” “could,” “should,” “would,” “potential,” “may,” “might,”

“anticipate,” “likely,” “plan,” “positioned,” “strategy,” and similar expressions or other words of similar meaning, and the negatives

thereof, are intended to identify

forward-looking statements. Specific forward-looking statements include, but are not limited to, statements regarding

Coeur’s or

New

Gold’s plans and expectations

with respect to the anticipated impact of the

transaction on the combined company’s results of operations, financial position, growth opportunities and competitive

position,

including strategies and plans and integration. The forward-

looking statements are intended to be subject to the safe harbor provided by

Section

27A of

the

Securities Act, Section 21E of the Securities Exchange Act of 1934 and the

Private Securities Litigation Reform Act of 1995 or

“forward-looking information”

within the meaning of applicable

Canadian securities laws.

These forward-looking statements involve significant risks and uncertainties that could cause actual results to differ materially from those

anticipated, including, but

not limited to, potential adverse reactions or changes to business or employee relationships of

Coeur

or

New Gold, including those resulting from the completion of

the

Exchange Offer; the diversion of management time on

transaction-related

issues; the ultimate timing, outcome and results of integrating the operations of

Coeur

and

New Gold; the effects of the business combination of

Coeur and

New Gold, including the combined company’s future financial condition, results of operations,

strategy and plans; the ability of the combined company

to realize anticipated synergies in the timeframe expected or at all; changes in capital markets and the ability

of the combined company to finance operations in the manner expected; the risk of any litigation relating to the

transaction; the risk of changes in governmental

regulations or enforcement practices; the effects of commodity prices, life of mine estimates; the timing and amount of estimated future production; the

risks of

mining activities; and the fact that operating costs and business disruption may be greater than expected. Expectations regarding business outlook, including

changes in revenue, pricing, capital expenditures, cash flow generation,

strategies for the combined company’s operations, gold, silver and copper market conditions,

legal, economic and regulatory conditions, and environmental matters are only forecasts regarding these matters.

Additional factors that could cause results to differ materially from those described above can be found in the

Exchange Offer Memorandum under “

Risk Factors,” in

Coeur’s Annual Report on Form 10-K for the year ended

December 31, 2025, which is on file with the

U.S. Securities and Exchange Commission (the “

SEC”) and is

available from

Coeur’s website at

www.coeur.com under the “

Investors” tab, and in other documents

Coeur’s files with the

SEC and

in

New Gold’s annual

information form for the year ended

December 31, 2024, which is

on file with the

SEC and on the

Canadian System for Electronic Document Analysis and Retrieval

(“

SEDAR+”) and available

from

New Gold’s website at

www.newgold.com under the “

Investors” tab, and in other documents

New Gold files with the

SEC or on

SEDAR+.

All forward-looking statements speak only as of the date they are made and are based on information available at that time. Neither

Coeur’s nor

New Gold assumes

any obligation to update forward-looking statements to reflect

circumstances or events that occur after the date the forward-looking statements were made or to

reflect the occurrence of unanticipated events except as required by applicable securities laws. As forward-looking statements involve significant

risks and

uncertainties, caution should be exercised against placing undue reliance on such statements.

NO OFFER OR SOLICITATION

This communication is not intended to and does not constitute an offer to purchase, or the solicitation of an offer to sell, or the solicitation of

tenders or consents

with respect to any security. No offer, solicitation, purchase or sale will be made in any jurisdiction in which such an offer, solicitation, or sale would be unlawful

prior to registration or qualification under the securities

laws of any such jurisdiction. The

Exchange Offer and

Consent Solicitation are being made solely

pursuant

to the

Exchange Offer Memorandum and only to such persons and in such jurisdictions as is permitted under applicable law.

For Additional Information

Coeur Mining, Inc.

200 S. Wacker Drive, Suite 2100

Chicago, Illinois 60606

Attention: Jeff Wilhoit, Senior Director, Investor Relations

Phone: (312) 489-5800

Source: Coeur Mining