Osisko Mining Closes $402M Bought Deal Financing

On February 25, 2009 Osisko Mining Corporation closed a public offering of 88,550,000 units, which included the exercise in full of the over-allotment option, at a price of $4.55 per unit for gross proceeds of more than $402 million. Each unit consisted of one common share and one-half of one common share purchase warrant.

The units were sold on a bought deal basis through a syndicate of underwriters led by Thomas Weisel Partners Canada Inc. and BMO Nesbitt Burns Inc. and including Dundee Securities Corporation, RBC Dominion Securities Inc., National Bank Financial Inc., Paradigm Capital Inc., Canaccord Capital Corporation, TD Securities Inc. and PI Financial Corp.

Osisko is listed on the TSX (OSK) and the Deutsche Boerse (EWX). Osisko holds a 100 per cent interest in the Canadian Malartic gold deposit in Québec, one of the world's best mining jurisdictions. Canadian Malartic is one of the world's largest undeveloped resources wholly owned by a junior explorer, and is located in a mining district near extensive existing infrastructure.

Osisko was represented by André Le Bel, vice president, legal affairs and corporate secretary, a team from Lavery, de Billy L.L.P., consisting of René Branchaud, David Pineault and Benoit Mallette (corporate and securities) and Philip Nolan (tax), and by Andrew Beck of Torys LLP, who acted as US counsel to Osisko.

The underwriters were represented by Lang Michener LLP with a team that included Hellen Siwanowicz, John Conway and David Mendicino (corporate and securities) and Kalle Soomer (tax), and by Skadden, Arps, Slate, Meagher & Flom LLP, who acted as US counsel, with a team that included Riccardo Leofanti and Michael Acedo.