Osisko Mining announces upsize to the previously-announced “bought deal“ private placement and a second tranche “bought deal“ private placement of flow-through shares

TORONTO, Nov. 14, 2019 - Osisko Mining Inc. (TSX:OSK) ("Osisko" or the "Corporation") (Trading Symbol, TSX: OSK) is pleased to announce that it has entered into an agreement with a syndicate of underwriters led by Canaccord Genuity Corp. to upsize the previously-announced "bought deal" private placement to an aggregate of 7,000,000 common shares (up from 5,320,000 common shares) of the Corporation that will qualify as "flow-through shares" (within the meaning of subsection 66(15) of the Income Tax Act (Canada) and section 359.1 of the Taxation Act (Québec)) (the "Tranche 1 FT Shares") at a price of C$4.70 per Tranche 1 FT Share for aggregate gross proceeds of C$32,900,000 (previously C$25,004,000).

In addition, the Corporation has entered into an agreement with a syndicate of underwriters led by Canaccord Genuity Corp. in connection with a second tranche of the offering on a "bought deal" private placement for an  aggregate of 4,412,000 common shares of the Corporation that will qualify as "flow-through shares" (within the meaning of subsection 66(15) of the Income Tax Act (Canada)) (the "Tranche 2 FT Shares") at a price of C$3.40 per Tranche 2 FT Share for aggregate gross proceeds of C$15,000,800.

In addition, the Corporation has granted the underwriters an option to sell an additional 1,050,000  Tranche 1 FT Shares (previously 798,000 Tranche 1 FT Shares) at a price of C$4.70 per Tranche 1 FT Share  for additional gross proceeds of up to C$4,935,000 and an additional 662,000 Tranche 2 FT Shares at a price of C$3.40 per Tranche 2 FT Share for additional gross proceeds of C$2,250,800, both exercisable by the underwriters up to 48 hours prior to the Closing Date.

The gross proceeds from the issue and sale of the Tranche 1 FT Shares and the Tranche 2 FT Shares will be used by the Corporation to incur eligible "Canadian exploration expenses" that will qualify as "flow-through mining expenditures" as such terms are defined in the Income Tax Act (Canada) (the "Qualifying Expenditures") related to the Corporation's projects in Québec on or before December 31, 2020. All Qualifying Expenditures will be renounced in favour of the subscribers effective December 31, 2019.

Both tranches of the offering are expected to close on or about December 5, 2019 and are subject to certain conditions including, but not limited to, the receipt of all necessary approvals including the approval of the Toronto Stock Exchange and the applicable securities regulatory authorities. The Tranche 1 FT Shares and Tranche 2 FT Shares to be issued under the offering will be subject to a hold period in Canada expiring four months and one day from the closing date of the offering.

The securities offered have not been registered under the U.S. Securities Act of 1933, as amended, and may not be offered or sold in the United States absent registration or an applicable exemption from the registration requirements. This press release shall not constitute an offer to sell or the solicitation of an offer to buy nor shall there be any sale of the securities in any State in which such offer, solicitation or sale would be unlawful.

About Osisko Mining Inc.

Osisko is a mineral exploration company focused on the acquisition, exploration, and development of precious metal resource properties in Canada. Osisko holds a 100% interest in the high-grade Windfall Lake gold deposit located between Val-d'Or and Chibougamau in Québec and holds a 100% undivided interest in a large area of claims in the surrounding the Urban Barry area and nearby Quévillon area (over 2,700 square kilometres).

Cautionary Note Regarding Forward-Looking Information

This news release contains "forward-looking information" within the meaning of the applicable Canadian securities legislation that is based on expectations, estimates and projections as at the date of this news release. The information in this news release about the offering; the use of the proceeds from the offering; the jurisdictions in which the flow-through shares will be offered or sold; the number of flow-through shares offered or sold; the size of the offering; the timing and ability of the Corporation to close the offering, if at all; the timing and ability of the Corporation to satisfy the customary listing conditions of the Toronto Stock Exchange, if at all; the timing and ability of the Corporation to obtain all necessary approvals; the tax treatment of the securities issued under the offering under the Income Tax Act (Canada) and Taxation Act (Québec); the timing to renounce all Qualifying Expenditures in favour of the subscribers, if at all; and any other information herein that is not a historical fact may be "forward-looking 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 information and are intended to identify forward-looking information. This forward-looking information is based on reasonable assumptions and estimates of management of Osisko, at the time it was made, involves known and unknown risks, uncertainties and other factors which may cause the actual results, performance or achievements of Osisko to be materially different from any future results, performance or achievements expressed or implied by such forward-looking information. Such factors include, among others, risks relating to the offering; volatility in the trading price of common shares of the Corporation; risks relating to the ability of the Corporation to obtain required approvals, complete definitive documentation and complete the offering; the ability of Osisko to complete further exploration activities, including drilling; property interests; the results of exploration activities; risks relating to mining activities; the global economic climate; metal prices; dilution; environmental risks; changes in the tax and regulatory regime; and community and non-governmental actions. Although the forward-looking information contained in this news release is based upon what management believes, or believed at the time, to be reasonable assumptions, Osisko cannot assure shareholders and prospective purchasers that actual results will be consistent with such forward-looking information, as there may be other factors that cause results not to be as anticipated, estimated or intended, and neither Osisko nor any other person assumes responsibility for the accuracy and completeness of any such forward-looking information. Osisko does not undertake, and assumes no obligation, to update or revise any such forward-looking statements or forward-looking information contained herein to reflect new events or circumstances, except as may be required by law.

/NOT FOR DISTRIBUTION TO U.S. NEWS WIRE SERVICES OR FOR DISSEMINATION IN THE UNITED STATES/

SOURCE Osisko Mining Inc.



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John Burzynski, President and Chief Executive Officer
Telephone: (416) 363-8653