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Osisko Announces Q1 2024 Geo Deliveries and Select Asset Updates

Production Results

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OSISKO ANNOUNCES Q1 2024 GEO DELIVERIES

AND SELECT ASSET UPDATES

Montréal, April 8th, 2024 – Osisko Gold Royalties Ltd (the “ Corporation” or “Osisko ”) (OR: TSX & NYSE) is

pleased to provide an update on its first quarter 2024 deliveries, revenues and cash margin, as well as on its cash

and debt positions as of March 31st, 2024. In addition, Osisko is excited to provide some select asset updates. All

monetary amounts included in this report are expressed in Canadian dollars, unless otherwise noted.

PRELIMINARY Q1 2024 RESULTS

Osisko earned 22,259 attributable gold equivalent ounces1 (“GEOs”) in the first quarter of 2024.

Osisko recorded preliminary revenues from royalties and streams of $ 60.7 million during the first quarter and

preliminary cost of sales (excluding depletion) of $1.8 million, resulting in a quarterly cash margin2 of approximately

$58.9 million (or 97%).

As of March 31st, 2024 , Osisko’s cash position was approximately $70.6 million, following a $43.6 million

repayment on the Corporation's revolving credit facility during the first quarter. The Corporation’s revolving credit

facility was drawn by $151.9 million at the end of March 2024, with an additional amount of $398.1 million available

to be drawn plus the uncommitted accordion of up to $200.0 million.

SELECT ASSET UPDATES

Canadian Malartic Complex (operated by Agnico Eagle Mines Limited)

Agnico Eagle Mines Limited (“Agnico”) continues to advance studies on optimizing its Abitibi platform, where the

Canadian Malartic mill is expected to play a central processing role. Macassa's AK deposit has now been

incorporated into Agnico’s production guidance for 2024 to 2026. At Upper Beaver, Agnico is conducting a trade-

off analysis comparing transporting and processing ore at its LaRonde mill to a standalone central mill for Upper

Beaver and other satellite deposits. An exploration ramp and shaft are being considered at Upper Beaver in order

to upgrade and further explore the deeper portions of the deposit. At Wasamac, Agnico is assessing hauling

alternatives and the optimal mining rate for transporting and processing ore at the Canadian Malarti c mill. Agnico

expects to complete internal technical evaluations for both Upper Beaver and Wasamac, all as part of a group of

studies on optimizing the company’s Abitibi platform, in the first half of 2024. In February, Agnico declared an initial

Probable Mineral Reserves of 5.17 million ounces of gold (47.0 million tonnes grading 3.42 g/t gold) in the central

portion of the East Gouldie deposit.

In addition to the 5% net smelter return (“ NSR”) royalty on the Canadian Malartic Mine, Osisko also holds a 5%

NSR royalty on the East Gouldie and Odyssey South deposits, a 3% NSR royalty on the Odyssey North deposit

and a 3-5% NSR royalty on the East Malartic deposit, which are located adjacent to the Canadian Malartic Mine.

Osisko also holds a C$0.40/tonne royalty on any ore sourced from outside the royalty boundaries processed

through the Canadian Malartic mill, such as Wasamac. Osisko owns 2% NSR royalties that cover most of Agnico’s

Kirkland Lake regional properties, including AK and Upper Beaver deposits.

CSA Mine (operated by Metals Acquisition Limited)

In late March 2024, Metals Acquisition Limited (“MTAL”) announced the filing of its 2023 annual report. MTAL

replaced the second grinding mill and subsequently operated at target rates without issue and completed the

ventilation and cooling upgrades for CSA. On the financial front, and subsequent to year -end 2023, MTAL

successfully raised A$325 milli on through its listing on the Australian Stock Exchange. Proceeds from the ASX

listing were used to repay in full the deferred consideration facility to Glencor e in connection with MTAL’s

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acquisition of CSA, and the balance is expected to be used to: increase working capital to facilitate operational

flexibility and potential production growth, and also to provide additional funding for exploration programs and mine

development at the CSA mine.

Osisko owns a 100% silver stream on the CSA mine as well as a 3.0-4.875% copper stream having an economic

effective date of June 15 th, 2024. Osisko also owns a minimum seven- year Right of First Refusal over future

royalties / streams sold on any asset owned or purchased by MTAL.

Island Gold / Magino (operated by Alamos Gold Inc.)

In late March 2024, Alamos Gold Inc. (“Alamos”) announced the friendly acquisition of Argonaut Gold Inc.

(“Argonaut Gold”) and its Magino gold mine and mill, located immediately adjacent to Alamos’ Island Gold mine.

The transaction is expected to close in the third quarter of 2024. Alamos’ previously planned Phase 3+ mill

expansion construction work at Island Gold will no longer be required following the announced acquisition of the

10,000 tonnes per day Magino mill, which is located two kilometres from the Island Gold shaft (currently under

construction). The larger mill and tailings infrastructure at Magino will now also accommodate the rapidly growing

Mineral Reserve and Resource base at Island Gold.

Alamos’ expanded and accelerated mine plan at Island Gold is anticipated to transition a greater proportion of

production towards Osisko’s 2% and 3% NSR royalty boundaries earlier in the mine plan, as opposed to the

mineral inventory covered by Osisko’s 1.38% NSR royalty. A small fraction of the eastern limit of the Magino pit is

covered by a 3% NSR royalty, with GEOs earned to Osisko expected from 2030 onwards . The underground

exploration potential previously highlighted by Argonaut Gold on this claim is l ocated less than 300 metres from

the existing Island Gold underground infrastructure.

Tocantinzinho (operated by G Mining Ventures Corp.)

In early April 2024, G Mining Ventures Corp. (“G Mining”) announced that construction of its flagship Tocantinzinho

gold project (“TZ”) in Brazil remained on track with the first gold pour expected to occur during the second half of

2024, and with commercial production expected soon thereafter . Overall physical construction at TZ was

approximately 83% complete as of February 29th, 2024. Site infrastructure is substantially complete and the SAG

and ball mill components installation is now underway. Mining and stockpiling of ore commenced in November

2023, and as of February 29th, 2024, ore stockpiles at TZ totaled 0.8 million tonnes grading 0.8 grams/tonne gold.

Osisko owns a 0.75% NSR royalty on the Tocantinzinho project.

Namdini (operated by Cardinal Namdini Mining Limited)

Cardinal Namdini Mining Limited, a majority -owned subsidiary of Shandong Gold Mining Co. Ltd. (“Shandong”)

has now officially started mining at the Namdini gold project in Ghana. In addition, t he construction of the

processing plant, the water abstraction and tailings storage facilities, the 161Kv power transmission line, the

segment ponds and the road network , are all nearing completion. A 25-kilometre access road from the town

Balungu to the mine site has been completed and is now open to the public, connecting over ten communities. As

stated previously by Shandong, first gold at Namdini is expected to be poured in the fourth quarter of 2024.

Osisko owns a 1% NSR royalty covering the Namdini gold project.

Copperwood (operated by Highland Copper Company Inc.)

In March 2024, Highland Copper Company Inc. (“Highland”) announced that after a year -long review of the

Copperwood copper-silver project, the Michigan Strategic Fund Board had unanimously approved a performance-

based grant of US$50 million from the Strategic Site Readiness Program (“SSRP”). The SSRP program is funded

through the Strategic Outreach and Attraction Reserve Fund and provides economic assistance for the purpose

of creating investment -ready sites to attract and promote investment in the state. The grant funds will be in the

form of performance- based reimbursements for eligible activities relating to infrastructure development, most

notably expenditure on roads, communications infrastructure and bringing power to site. The transfer of funds to

Highland is pending final approval from the Appropriations Committees in both the Michigan House and Senate.

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Osisko currently owns a 1.5% NSR royalty on copper production, and an 11.5% NSR royalty on silver production

at Copperwood. At Osisko’s election, the silver royalty percentage may be increased to 100% on Copperwood

(and on Highland’s White Pine North project) for a payment of US$23 million.

Ermitaño (operated by First Majestic Silver Corp.)

In early April 2024, First Majestic Silver Corp. (“First Majestic”) released updated 2023 Mineral Reserve and

Mineral Resource estimates for the Ermitaño underground mine at its Santa Elena Silver/Gold Mine in Sonora,

Mexico. Santa Elena’s (Ermitaño’s) Proven & Probable Mineral Reserve estimates remained relatively unchanged

despite record production of 9.6 million silver equivalent ounces at Ermitaño in 2023. In terms of catalysts over the

next year, continued Resource expansion potential at the Ermitaño mine (Luna and Soledad Zones) remains a

core focus for First Majestic, with 22,000 metres of drilling planned for 2024.

Osisko owns a 2% NSR royalty on the Ermitaño project and the Cumobabi property, including the Luna and

Soledad Zones.

Q1 2024 RESULTS CONFERENCE AND WEBCAST CALL DETAILS

Osisko provides notice of the first quarter 2024 results and conference and webcast call details.

Results Release: Wednesday, May 8th, 2024 after market close

Conference Call: Thursday, May 9th, 2024 at 10:00 am ET

Dial-in Numbers:

(Option 1)

North American Toll-Free: 1 (800) 717-1738

Local – Toronto: 1 (289) 514-5100

Local – New York: 1 (646) 307-1865

Conference ID: 35205

Webcast link:

(Option 2)

https://viavid.webcasts.com/starthere.jsp?ei=1664597&tp_key=79a3a8e207

Replay (available until

Monday, June 10th at 11:59

AM ET):

North American Toll-Free: 1 (888) 660-6264

Local – Toronto: 1 (289) 819-1325

Local – New York: 1 (646) 517-3975

Playback Passcode: 35205#

Replay also available on our website at www.osiskogr.com

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Notes:

The figures presented in this press release, including revenues and costs of sales, have not been audited and are subject to change. As the

Corporation has not yet finished its quarter-end procedures, the anticipated financial information presented in this press release is preliminary,

subject to quarter-end adjustments, and may change materially.

(1) Gold Equivalent Ounces

GEOs are calculated on a quarterly basis and include royalties and streams. Silver earned from royalty and stream agreements are

converted to gold equivalent ounces by multiplying the silver ounces earned by the average silver price for the period and dividing by the

average gold price for the period. Diamonds, other met als and cash royalties are converted into gold equivalent ounces by dividing the

associated revenue earned by the average gold price for the period.

Average Metal Prices and Exchange Rate

Three months ended

March 31,

2024 2023

Gold(i) $2,070 $1,890

Silver(ii) $23.34 $22.55

Exchange rate (US$/Can$)(iii) 1.3486 1.3525

(i) The London Bullion Market Association’s pm price in U.S. dollars.

(ii) The London Bullion Market Association’s price in U.S. dollars.

(iii) Bank of Canada daily rate.

(2) Non-IFRS Measures

The Corporation has included certain performance measures in this press release that do not have any standardized meaning prescribed

by IFRS Accounting Standards including cash margin in dollars and in percentage. The presentation of these non-IFRS measures is

intended to provide additional information and should not be considered in isolation or as a substitute for measures of performance

prepared in accordance with IFRS Accounting Standards. These measures are not necessarily indicative of operating profit or cash

flow from operations as determined under IFRS Accounting Standards. As Osisko’s operations are primarily focused on precious metals,

the Corporation presents cash margins as it believes that certain investors use this information, together with measures determined in

accordance with IFRS Accounting Standards, to evaluate the Corporation’s performance in comparison to other companies in the

precious metals mining industry who present results on a similar basis. However, other companies may calculate these non-IFRS

measures differently.

Cash margin (in dollars) represents revenues less cost of sales (excluding depletion). Cash margin (in percentage) represents the cash

margin (in dollars) divided by revenues.

(In thousands of dollars)

Three months ended

March 31, 2024

Revenues $60,751

Less: Cost of sales (excluding depletion) ($1,833)

Cash margin (in dollars) $58,918

Cash margin (in percentage of revenues) 97.0%

Qualified Person

The scientific and technical content of this news release has been reviewed and approved by Guy Desharnais,

Ph.D., P.Geo., Vice President, Project Evaluation at Osisko Gold Royalties Ltd, who is a “qualified person” as

defined by National Instrument 43-101 – Standards of Disclosure for Mineral Projects (“NI 43-101”).

About Osisko Gold Royalties Ltd

Osisko is an intermediate precious metal royalty company focused on the Americas that commenced activities in

June 2014. Osisko holds a North American focused portfolio of over 18 5 royalties, streams and precious metal

offtakes. Osisko’s portfolio is anchored by its cornerstone asset, a 3-5% net smelter return royalty on the Canadian

Malartic Complex, which is home to one of Canada’s largest gold mines.

Osisko’s head office is located at 1100 Avenue des Canadiens -de-Montréal, Suite 300, Montréal, Québec,

H3B 2S2.

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For further information, please contact Osisko Gold Royalties Ltd:

Grant Moenting

Vice President, Capital Markets

Tel: (514) 940-0670 x116

Cell: (365) 275-1954

Email: [email protected]

Heather Taylor

Vice President, Sustainability and Communications

Tel: (514) 940-0670 x105

Email: [email protected]

Forward-looking Statements

Certain statements contained in this press release may be deemed “forward- looking statements” within the meaning of the United States

Private Securities Litigation Reform Act of 1995 and “forward- looking information” within the meaning of applicable Canadi an securities

legislation. Forward-looking statements are statements other than statements of historical fact, that address, without limitation, future events,

that financial information may be subject to year-end adjustments, the availability of the uncommitted accordion of the credit facility. Forward-

looking statements are statements that are not historical facts and are generally, but not always, identified by the words “e xpects”, “plans”,

“anticipates”, “believes”, “intends”, “estimates”, “projects”, “potential”, “scheduled” and similar expressions or variations (including negative

variations), or that events or conditions “will”, “would”, “may”, “could” or “should” occur. Forward-looking statements are subject to known and

unknown risks, uncertainties and other factors, most of which are beyond the control of Osisko, and actual results may accordingly differ

materially from those in forward-looking statements. Such risk factors include, without limitation, (i) with respect to properties in which Osisko

holds a royalty, stream or other interest; risks related to: (a) the operators of the properties, (b) timely development, per mitting, construction,

commencement of production, ramp-up (including operating and technical challenges), (c) differences in rate and timing of production from

resource estimates or production forecasts by operators, (d) differences in conversion rate from resources to reserves and ability to replace

resources, (e) the unfavorable outcome of any challenges or litigation relating titl e, permit or license, (f) hazards and uncertainty associated

with the business of exploring, development and mining including, but not limited to unusual or unexpected geological and met allurgical

conditions, slope failures or cave- ins, flooding and other natural disasters or civil unrest or other uninsured risks, (ii) with respect to other

external factors: (a) fluctuations in the prices of the commodities that drive royalties, streams, offtakes and investments held by Osisko, (b)

fluctuations in the value of the Canadian dollar relative to the U.S. dollar, (c) regulatory changes by national and local governments, including

permitting and licensing regimes and taxation policies, regulations and political or economic developments in any of the coun tries where

properties in which Osisko holds a royalty, stream or other interest are located or through which they are held, (d) continued availability of

capital and financing and general economic, market or business conditions, and (e) responses of relevant governments to infectious diseases

outbreaks and the effectiveness of such response and the potential impact of such outbreaks on Osisko’s business, operations and financial

condition; (iii) with respect to internal factors: (a) business opportunities that may or not become available to, or are pursued by Osisko, (b) the

integration of acquired assets or (c) the determination of Osisko’s PFIC status (d) that financial information may be subject to year -end

adjustments. The forward- looking statements contained in this press release are based upon assumptions management believes to be

reasonable, including, without limitation: the absence of significant change in Osisko’s ongoing income and assets relating to determination of

its PFIC status, and the absence of any other factors that could cause actions, events or results to differ from those anticipated, estimated or

intended and, with respect to properties in which Osisko holds a royalty, stream or other interest, (i) the ongoing operation of the properties by

the owners or operators of such properties in a manner consistent with past practice and with public disclosure (including foreca st of

production), (ii) the accuracy of public statements and disclosures made by the owners or operators of such underlying proper ties (including

expectations for the development of underlying properties that are not yet in production), (iii) no adverse development in re spect of any

significant property, (iv) that statements and estimates relating to mineral reserves and resources by owners and operators are accurate and

(v) the implementation of an adequate plan for integration of acquired assets.

For additional information on risks, uncertainties and assumptions, please refer to the most recent Annual Information Form of Osisko filed on

SEDAR+ at www.sedarplus.ca and EDGAR at www.sec.gov which also provides additional general assumptions in connect ion with these

statements. Osisko cautions that the foregoing list of risk and uncertainties is not exhaustive. Investors and others should carefully consider

the above factors as well as the uncertainties they represent and the risk they entail. Osisko believes that the assumptions reflected in those

forward-looking statements are reasonable, but no assurance can be given that these expectations will prove to be accurate as actual results

and prospective events could materially differ from those anticipated such the forward-looking statements and such forward-looking statements

included in this press release are not guarantee of future performance and should not be unduly relied upon. In this press release, Osisko

relies on information publicly disclosed by other issuers and third parties pertaining to its assets and, therefore, assumes no liability for such

third-party public disclosure. These statements speak only as of the date of this press release. Osisko undertakes no obligation to publicly

update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, other than as required by

applicable law.