Osisko Development Corp.

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April 14, 2021 at 7:45 AM (EDT)|Virtual Event - Online Only

Sean Roosen

Founder, Chairman & CEO

Chair of the Board of Directors and Chief Executive Officer

Mr. Sean Roosen is the Chair of the Board of Directors and Chief Executive Officer of the Corporation. Mr. Roosen was a founding member of Osisko Mining Corporation (2003-2014) and of EurAsia Holding AG, a European venture capital fund. Mr. Roosen has over 30 years of progressive experience in the mining industry. As founder, President, Chief Executive Officer and Director of Osisko Mining Corporation, he was responsible for developing the strategic plan for the discovery, financing and development of the Canadian Malartic Mine. He also led the efforts for the maximization of shareholders’ value in the sale of Osisko Mining Corporation, which resulted in the creation of Osisko Gold Royalties. Mr. Roosen is an active participant in the resource sector and in the formation of new companies to explore for mineral deposits both in Canada and internationally. He serves on the board of directors of Barkerville Gold Mines Ltd., Osisko Mining Inc. and Victoria Gold Corp. – companies that are part of Osisko’s incubator model.

Mr. Roosen has been recognized by several organizations for his entrepreneurial successes and his leadership in innovative sustainability practices.

Mr. Roosen is a graduate of the Haileybury School of Mines.


This information (this “Information”) contains forward-looking information and forward-looking statements (together, “forward-looking statements“) within the meaning of applicable Canadian securities laws and the United States Private Securities Litigation Reform Act of 1995. All statements, other than statements of historical fact, are forward-looking statements and are based on expectations, estimates and projections as at the date of this Information. Any statement that involves discussions with respect to predictions, expectations, beliefs, plans, projections, objectives, assumptions, future events or performance (often but not always using phrases such as "expects", or "does not expect", "is expected", "anticipates" or "does not anticipate", "plans", "budget", "scheduled", "forecasts", "estimates", "believes" or "intends" or variations of such words and phrases or stating that certain actions, events or results "may" or "could", "would", "might" or "will" be taken to occur or be achieved) are not statements of historical fact and may be forward-looking statements.
In this Information, forward-looking statements relate, among other things: implimentation, integration and success of Osisko Development Corp. (“Osisko Development”); the ability of Osisko Development to obtain further capital on reasonable terms; Osisko Development being well-positioned as a gold development company in Canada and Mexico; indicative valuations; re-rating potential; mineral inventory; our ability to expand mineral resources beyond current mineral resource estimates; opportunities for growth of mineral projects; estimates of gold prices; the ability to adapt to changes in gold prices; estimates of costs, estimates of planned exploration and development expenditures and estimates of mine development and construction. All forward-looking statements entail various risks and uncertainties that are based on current expectations and actual results may differ materially from those contained in such information.
Although Osisko Development believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements involve known and unknown risks, uncertainties and other factors and are not guarantees of future performance and actual results may accordingly differ materially from those in forward-looking statements. These uncertainties and risks include, but are not limited to, risks relating to the ability of exploration activities (including drill results) to accurately predict mineralization; the ability to realize upon geological modelling; the ability of Osisko Development to complete further exploration activities, including drilling; property interests in the assets of Osisko Development; the ability of the results of exploration activities; risks relating to mining activities; fluctuations in spot and forward prices of gold, silver, base metals or certain other commodities; fluctuations in currency markets (such as the Canadian dollar to United States dollar exchange rate); change in international, national and local government, legislation, taxation, controls, regulations and political or economic developments; risks and hazards associated with the business of mineral exploration, development and mining (including environmental hazards, industrial accidents, unusual or unexpected formations pressures, cave-ins and flooding); inability to obtain adequate insurance to cover risks and hazards; the presence of laws and regulations that may impose restrictions on mining; employee relations; relationships with and claims by local communities and indigenous populations; availability of increasing costs associated with mining inputs and labour; the speculative nature of mineral exploration and development (including the risks of obtaining necessary licenses, permits and approvals from government authorities); and title to properties. 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. Osisko Development cannot assure investors that actual results will be consistent with these forward-looking statements and investors should not place undue reliance on forward-looking statements due to the inherent uncertainty therein.
For additional information with respect to these and other factors and assumptions underlying the forward-looking statements made herein concerning Osisko Development, see the Filing Statement available electronically under Osisko Development's issuer profile on SEDAR (www.sedar.com). The forward-looking statements set forth herein concerning Osisko Royalties reflect management's expectations as at the date of this document and are subject to change after such date. Osisko Development disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, other than as required by law.
This Information does not constitute an offer to sell or a solicitation of an offer to buy any securities in the United States or any other jurisdiction. No securities may be offered or sold in the United States or in any other jurisdiction in which such offer or sale would be unlawful prior to registration under the U.S. Securities Act of 1933 or an exemption therefrom or qualification under the securities laws of such other jurisdiction or an exemption therefrom.
Unless otherwise noted, this Information has been prepared based on information available as of December 1, 2020. All currency references are to Canadian dollars, unless specified otherwise.

This Information contains information regarding mineral resources estimated at the projects referenced herein. Mineral resources are not mineral reserves and do not have demonstrated economic viability. The estimate of mineral resources may be materially affected by environmental, permitting, legal, title, socio-political, marketing or other relevant issues. In particular, the quantity and grade of reported inferred mineral resources in the estimates referenced in this Information are uncertain in nature and there is insufficient exploration to define these inferred mineral resources as an indicated or measured mineral resource in all cases. It is uncertain in all cases whether further exploration will result in upgrading the inferred mineral resources to an indicated or measured mineral resource category.
The updated mineral resource estimate in respect of the Cariboo Gold Project has been prepared in accordance with National Instrument 43-101 – Standards of Disclosure for Mineral Projects ("NI 43-101") and will be available on SEDAR (www.sedar.com) under Osisko’s issuer profile within 45 days. Please refer to the full text of the mineral resource estimate for details regarding the key assumptions, parameters and methods associated with the foregoing.
The mineral resource estimate in respect of the San Antonio Gold Project has been prepared in accordance with NI 43-101 and will be available on SEDAR (www.sedar.com) under Osisko’s issuer profile within 45 days. Please refer to the full text of the mineral resource estimate for details regarding the key assumptions, parameters and methods associated with the foregoing.
The preliminary economic assessment in respect of the Cariboo Gold Project described in this Information has been prepared in accordance with NI 43-101. For details regarding the key assumptions, parameters and methods used to estimate the Cariboo PEA (2019) (as defined herein), please see the technical report titled “NI 43-101 Technical Report – Preliminary Economic Assessment of the Cariboo Gold Project, District of Wells, British Columbia, Canada” dated September 17, 2019 (effective date of August 18, 2019) prepared by BBA with the assistance of a number of specialized consultants, including Allnorth Consultants Ltd., Golder Associates Ltd., InnovExplo Inc., Mining Plus Canada Consulting Ltd., SRK Consulting (Canada) Inc. and WSP Canada for Barkerville Gold Mines Ltd. (“Barkerville”), a wholly-owned subsidiary of Osisko, which has been filed on SEDAR (www.sedar.com) under Barkerville’s issuer profile (the “Cariboo PEA (2019)”).
The Cariboo PEA (2019) is preliminary in nature and has made numerous assumptions about the Cariboo Gold Project referenced herein, including in relation to the mine plan and economic models for the Cariboo Gold Project. In addition, the Cariboo PEA (2019) includes inferred mineral resources, which are considered to be too speculative geologically to have economic considerations applied to them that would enable them to be categorized as mineral reserves. There is no guarantee that any inferred mineral resource can be converted to an indicated mineral resource or measured mineral resource, and as such, there is no guarantee the project economics described herein will be achieved.
Osisko is subject to the reporting requirements of the applicable Canadian securities laws, and as a result, reports its mineral resources and reserves according to Canadian standards. Canadian reporting requirements for disclosure of mineral properties are governed by NI 43-101. The definitions of NI 43-101 are adopted from those given by the Canadian Institute of Mining, Metallurgy and Petroleum (“CIM”). U.S. reporting requirements are governed by the Industry Guide 7 (“Guide 7”) of the Security and Exchange Commission (“SEC”). This information includes estimates of mineral reserves and mineral resources reported in accordance with NI 43-101. These reporting standards have similar goals in terms of conveying an appropriate level of confidence in the disclosures being reported, but embody different approaches and definitions. For example, under Guide 7, mineralization may not be classified as a “reserve” unless the determination has been made that the mineralization could be economically and legally produced or extracted at the time the reserve determination is made. Consequently, the definitions of “Proven Mineral Reserves” and “Probable Mineral Reserves” under CIM standards differ in certain respects from the standards of the SEC. Osisko also reports estimates of “mineral resources” in accordance with NI 43-101. While the terms “Mineral Resource,” “Measured Mineral Resource,” “Indicated Mineral Resource” and “Inferred Mineral Resource” are recognized by NI 43-101, they are not defined terms under standards of the SEC and, generally, U.S. companies are not permitted to report estimates of mineral resources of any category in documents filed with the SEC. As such, certain information contained in this information concerning descriptions of mineralization and estimates of mineral reserves and mineral resources under Canadian standards is not comparable to similar information made public by United States companies subject to the reporting and disclosure requirements of the SEC. Readers are cautioned not to assume that all or any part of Measured Mineral Resources or Indicated Mineral Resource exists, or is economically or legally mineable. Further, an “Inferred Mineral Resource” has a great amount of uncertainty as to its existence and as to its economic and legal feasibility, and a reader cannot assume that all or any part of an Inferred Mineral Resource will ever be upgraded to a higher category. Under Canadian rules, estimates of Inferred Mineral Resources may not form the basis of feasibility or other economic studies.
Per National Instrument 43-101 Standards of Disclosure for Mineral Projects, Maggie Layman, P.Geo. Vice President Exploration of Barkerville Gold Mines Ltd, and Mr. François Vézina, P.Eng., MBA, Vice President, Technical Services of Osisko Developement Corp., are Qualified Persons and have prepared, validated and approved the technical and scientific content of this news release.


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