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Franco-Nevada Announces Acquisition of Cash Flowing Royalty on Côté Gold Mine in Ontario Franco-Nevada Corporation (“Franco-Nevada” or the “Company”) (TSX & NYSE:FNV) is pleased to announce that it has entered into an agreement to acquire an existing royalty package on the Côté Gold Mine in Ontario

Mergers & Acquisitions Royalties & Streams

NEWS RELEASE

NEWS RELEASE

Toronto, May 27, 2025

(in U.S. dollars unless otherwise noted)

Franco-Nevada Announces Acquisition of Cash Flowing Royalty

on Côté Gold Mine in Ontario

Franco-Nevada Corporation (“Franco-Nevada” or the “Company”) (TSX & NYSE:FNV) is pleased to announce that it has

entered into an agreement to acquire an existing royalty package on the Côté Gold Mine in Ontario from a private third

party for total cash consideration of $1,050 million (the “Transaction”). The royalty package consists of a 7.5%1 gross

margin royalty (the “Royalty”) on the Côté Gold Mine. The Royalty applies, on a 100% basis, to mineral production from

the Chester 1, 2 & 3 claims which cover all of the Mineral Reserves and over 99.9% of current Mineral Resources on the

Côté Gold Mine. Royalty deductions include cash operating costs and exclude all capital, exploration, depreciation and

other non-cash costs. The Côté Gold Mine is operated through an unincorporated joint venture by IAMGOLD Corporation

(“IAMGOLD”) and is owned by IAMGOLD (70%) and Sumitomo Metal Mining Co. Ltd. (“Sumitomo”) (30%). The Côté Gold

Mine is one of the newest, large scale, and most modern gold mines to be built in Canada with an already extensive gold

Mineral Resource base of more than 16 million ounces of Measured and Indicated Mineral Resources and 4 million

ounces of Inferred Mineral Resources. Please refer to the Côté Gold Mine Royalty Acquisition presentation on our website

dated May 27, 2025 for additional information.

Franco-Nevada partnered with IAMGOLD and Sumitomo for the acquisition of the Royalty, which exclusively allowed

Franco-Nevada access to conduct detailed due diligence. As part of these arrangements, concurrently with closing of the

Transaction (anticipated at the end of Q2 2025), the Royalty arrangements will be replaced with a new Royalty

agreement with IAMGOLD and Sumitomo, which will be registered on title and, among other things, provide for clarified

audit and information rights. The payment calculation methodology of the replacement Royalty is economically

unchanged from the acquired Royalty. Further, as part of our partnering with IAMGOLD and Sumitomo, they will be

granted an option, exercisable at their discretion, to buy down up to 50% of the Royalty at Franco -Nevada’s attributable

cost in two equal tranches of 25%. The cost to repurchase the tranches are as follows: (i) the initial 25% buydown option

for an IRR equal to SOFR plus 1.10% (i.e. Franco-Nevada’s cost of borrowing), exercisable within two years of closing, and

(ii) the additional 25% buydown option cost for an IRR equal to 10%, following exercise of the initial option, exercisable

within three years of closing. The calculation of the IRR for both options takes into account the attributable Royalty

payments received up to the repurchase date 2.

“We are pleased to add this new cornerstone gold royalty to our extensive portfolio in Ontario,” said Paul Brink, President

& CEO of Franco-Nevada. “We appreciate the opportunity to partner with IAMGOLD and Sumitomo and the due diligence

access they provided to us. Their team has developed an excellent new operation with an extensive Resource

endowment that has high potential to continue expanding. We look forward to their views on Resource growth and future

expansions to the mill capacity, expected in late 2026.”

Renaud Adams, President & CEO of IAMGOLD, commented: “We are pleased to welcome our new partner Franco -Nevada

to the Côté Gold Mine as we continue to ramp up one of Canada’s largest and longest -life gold mines. The Côté Gold

Mine is just at the beginning of its operating life with excellent opportunities being evaluated to further grow the

Resource base, improve mining productivity, and optimize and expand mill throughput beyond the initial ramp up. The

value upside of the Côté Gold Mine is further supported by the rapidly growing Gosselin zone which we intend to

incorporate into an updated mine plan next year that will bring the Côté and Gosselin zones together to outline a Côté

Gold Mine of increased scale and scope for generations to come.”

Royalty Highlights

• Immediate Gold Cash Flow from Major Canadian Mine: The Royalty will add immediate gold revenues from a

major new gold mine in Ontario. Côté Gold Mine commenced commercial production in August 2024 and

continues its ramp up. IAMGOLD has provided 2025 guidance for Côté Gold Mine (on a 100% basis) of 360 to

1 For ease of reference, we refer to the Royalty as a 7.5% gross margin royalty as this percentage applies to +99.9% of the existing Mineral Resources. In fact, the

acquired Royalty interests range between a 7.5% Royalty on the core of the Côté and Gosselin pits to 4.5% - 7.5% on certain peripheral properties, including over

near mine exploration targets.

2 Both 25% options are subject to a minimum such that the exercise price shall be the greater of the calculated value or 25% of Franco-Nevada’s Royalty

purchase price ($262.5 million).

2

400 koz Au at cash costs of $950/oz to $1,100/oz 3 inclusive of the Royalty costs. Implied costs attributable to

the Royalty are $770/oz to $930/oz assuming $3,200/oz Au. On a full year basis at IAMGOLD’s midpoint of

guidance and at $3,200/oz Au, this implies annual revenue from the Royalty of $67 million ($33.5 million for H2

2025, assuming a July 1, 2025 effective date).

• Extensive Mineral Endowment with Exploration Potential: The Côté Gold Mine has a large and rapidly growing

Mineral Resource base across the Côté and Gosselin deposits for a total of 16.23 Moz of gold Measured and

Indicated Mineral Resources (599.8 Mt at 0.84 g/t Au) and 4.2 Moz of gold Inferred Mineral Resources (184 Mt

at 0.70 g/t Au), respectively. The Mineral Resources have grown extensively over time, doubling since the recent

addition of Gosselin in 2021. Côté Gold Mine is one of the largest gold Mineral Resources in Canada with

excellent potential to convert further Mineral Resources into Mineral Reserves while also growing the overall

inventory. The Royalty applies to more than 99.9% of the current Mineral Resource (see map in posted

presentation) and includes coverage of the two nearby targets (Clam Lake and Jack Rabbit).

• Low-Cost Production from a Modern Operating Gold Mine: Côté Gold Mine is a new, modern operation utilizing a

fully autonomous haul truck fleet, autonomous drilling and power efficient HPGR milling capability. Côté Gold

Mine is expected to be in the lower half of the cost curve and benefits from low cost, clean hydroelectric power.

In Q1 2025, cash costs of $1,260/oz inclusive of the Royalty reflected increased maintenance and repairs

associated with the ongoing ramp up. Cash costs are expected to decline through the year as volumes increase

and operating processes are refined. In addition, approximately $130/oz of cash costs were attributable to the

Royalty in Q1 2025.

• Excellent Expansion Potential: The large Mineral Resource base provides excellent potential to expand the

milling capacity. In the near term, we expect the mill to ramp-up to nameplate capacity of 13 Mtpa by year end,

in concert with the installation of additional crushing capacity to debottleneck the se condary comminution

circuit. Longer term, based on our due diligence, Franco-Nevada believes the Côté mill has the potential to be

expanded up to 20 Mtpa, which would better align with the current mining capacity of 54 Mtpa and strip ratio

of 2:1.

Additional Considerations

The acquisition is expected to close at the end of Q2 2025, with the effective date of the Transaction being the earlier of

closing and July 1, 2025, providing Franco-Nevada an economic interest in the Royalty from such date.

Financing the Transaction

Franco-Nevada is well positioned to finance the Transaction from available capital. The Company currently has

approximately $2 billion in available capital and continues to generate $275-$300 million in free cash flow each quarter.

The Company remains well positioned to continue to add to its portfolio.

Advisors

RBC Capital Markets is acting as financial advisor to the private third-party seller.

Franco-Nevada Corporate Summary

Franco-Nevada Corporation is the leading gold-focused royalty and streaming company with the largest and most

diversified portfolio of cash-flow producing assets. Its business model provides investors with gold price and exploration

optionality while limiting exposure to cost inflation. Franco-Nevada uses its free cash flow to expand its portfolio and pay

dividends. It trades under the symbol FNV on both the Toronto and New York stock exchanges. Franco -Nevada is the gold

investment that works.

For more information, please go to our website at www.franco-nevada.com or contact:

Paul Brink Eaun Gray Matthew Begeman

President & CEO Chief Investment Officer VP, Business Development

416-306-6305 416-306-6342 647-535-2642

[email protected]

About IAMGOLD

IAMGOLD is an intermediate gold producer and developer based in Canada with operating mines in North America and

West Africa, including Côté Gold (Canada), Westwood (Canada) and Essakane (Burkina Faso). On March 31, 2024, the

Company commenced production at Côté Gold, in partnership with Sumitomo Metal Mining Co. Ltd., a mine that has the

potential to be among the largest gold mines in Canada. In addition, the Company has an established portfolio of early

stage and advanced exploration projects within high potential mining districts. IAMGOLD employs approximately 3,700

people and is committed to maintaining its culture of accountable mining through high standards of Environmental,

3 As disclosed in IAMGOLD's Management's Discussion & Analysis for the year ended December 31, 2024 and dated February 20, 2025.

3

Social and Governance practices. IAMGOLD is listed on the New York Stock Exchange (NYSE: IAG) and the Toronto Stock

Exchange (TSX: IMG).

Additional Information

Scientific and technical information included in this news release has been reviewed by Darrol van Deventer, Vice

President, Mining of Franco-Nevada, a non-independent qualified person under National Instrument 43-101.

Forward-Looking Statements

This press release contains “forward-looking information” and “forward-looking statements” within the meaning of applicable Canadian

securities laws and the United States Private Securities Litigation Reform Act of 1995, respectively, which may include, but are not limited to,

statements with respect to future events or future performance, including the expected timing of closing the transactions, the expected future

performance of the Côté Gold Mine and the Royalty, and production and mine life estimates relating to the Côté Gold Mine. No assurance can

be given that the transactions will close, on the expected timing or at all. In addition, statements relating to mineral resources and mineral

reserves, gold equivalent ounces (“GEOs”) or mine lives are forward-looking statements, as they involve implied assessment, based on certain

estimates and assumptions, and no assurance can be given that the estimates and assumptions are accurate and that such mineral

resources and mineral reserves, GEOs or mine lives will be realized. Such forward-looking statements reflect management’s current beliefs

and are based on information currently available to management. Often, but not always, forward-looking statements can be identified by the

use of words such as “plans”, “expects”, “is expected”, “budgets”, “potential for”, “scheduled”, “estimates”, “forecasts”, “predicts”, “projects”,

“intends”, “targets”, “aims”, “anticipates” or “believes” or variations (including negative variations) of such words and phrases or may be

identified by statements to the effect that certain actions “may”, “could”, “should”, “would”, “might” or “will” be taken, occur or be achieved.

Forward-looking statements involve known and unknown risks, uncertainties and other factors, which may cause the actual results,

performance or achievements of Franco-Nevada to be materially different from any future results, performance or achievements expressed or

implied by the forward-looking statements. A number of factors could cause actual events or results to differ materially from any forward-

looking statement, including, without limitation: fluctuations in the prices of the primary commodities that drive royalty and stream revenue

(gold, platinum group metals, copper, nickel, uranium, silver, iron ore and oil and gas); fluctuations in the value of the Canadian and

Australian dollar, Mexican peso, and any other currency in which revenue is generated, relative to the U.S. dollar; changes in national and

local government legislation, including permitting and licensing regimes and taxation policies and the enforcement thereof; proposed tariff

and other trade measures that may be imposed by the United States and proposed retaliatory measures that may be adopted by its trading

partners; the adoption of a global minimum tax on corporations; regulatory, political or economic developments in any of the countries where

properties in which Franco-Nevada holds a royalty, stream or other interest are located or through which they are held; risks related to the

operators of the properties in which Franco-Nevada holds a royalty, stream or other interest, including changes in the ownership and control

of such operators; relinquishment or sale of mineral properties; influence of macroeconomic developments; business opportunities that

become available to, or are pursued by Franco-Nevada; reduced access to debt and equity capital; litigation; title, permit or license disputes

related to interests on any of the properties in which Franco-Nevada holds a royalty, stream or other interest; whether or not the Company is

determined to have “passive foreign investment company” (“PFIC”) status as defined in Section 1297 of the United States Internal Revenue

Code of 1986, as amended; potential changes in Canadian tax treatment of offshore streams; excessive cost escalation as well as

development, permitting, infrastructure, operating or technical difficulties on any of the properties in which Franco-Nevada holds a royalty,

stream or other interest; access to sufficient pipeline capacity; actual mineral content may differ from the mineral resources and mineral

reserves contained in technical reports; rate and timing of production differences from mineral resource estimates, other technical reports

and mine plans; risks and hazards associated with the business of development and mining on any of the properties in which Franco-Nevada

holds a royalty, stream or other interest, including, but not limited to unusual or unexpected geological and metallurgical conditions, slope

failures or cave-ins, sinkholes, flooding and other natural disasters, terrorism, civil unrest or an outbreak of contagious disease; the impact of

future pandemics; and the integration of acquired assets. The forward-looking statements contained in this press release are based upon

assumptions management believes to be reasonable, including, without limitation: the ongoing operation of the properties in which Franco-

Nevada holds a royalty, stream or other interest by the owners or operators of such properties in a manner consistent with past practice; the

accuracy of public statements and disclosures made by the owners or operators of such underlying properties; no material adverse change in

the market price of the commodities that underlie the asset portfolio; the Company’s ongoing income and assets relating to determination of

its PFIC status; no material changes to existing tax treatment; the expected application of tax laws and regulations by taxation authorities; the

expected assessment and outcome of any audit by any taxation authority; no adverse development in respect of any significant property in

which Franco-Nevada holds a royalty, stream or other interest; the accuracy of publicly disclosed expectations for the development of

underlying properties that are not yet in production; integration of acquired assets; and the absence of any other factors that could cause

actions, events or results to differ from those anticipated, estimated or intended. However, there can be no assurance that forward-looking

statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements.

Investors are cautioned that forward-looking statements are not guarantees of future performance. In addition, there can be no assurance as

to (i) the outcome of the ongoing audit by the CRA or the Company’s exposure as a result thereof, or (ii) the future status and any potential

restart of the Cobre Panama mine or the outcome of any related arbitration proceedings. Franco-Nevada cannot assure investors that actual

results will be consistent with these forward-looking statements. Accordingly, investors should not place undue reliance on forward-looking

statements due to the inherent uncertainty therein.

For additional information with respect to risks, uncertainties and assumptions, please refer to Franco-Nevada’s most recent Annual

Information Form as well as Franco-Nevada’s most recent Management’s Discussion and Analysis filed with the Canadian securities

regulatory authorities on www.sedarplus.com and Franco-Nevada’s most recent Annual Report filed on Form 40-F filed with the SEC on

www.sec.gov. The forward-looking statements herein are made as of the date of this press release only and Franco-Nevada does not assume

any obligation to update or revise them to reflect new information, estimates or opinions, future events or results or otherwise, except as

required by applicable law.