Sean Roosen

SEAN ROOSEN, President & Chief Executive Officer & Director of Osisko Mining
Corporation, has over 20 years experience in international mining and
development projects. Sean has worked extensively in West Africa with groups
including Hansa Geomin, Echo Bay and Placer Dome, and was Operations Manager for
Etruscan Resources during the development phase of the Samira Hill mine. Sean is
a founding shareholder and director of Eurasia Holding AG, a German-based
private resource fund that is one of Osisko’s largest shareholders. Mr. Roosen
is a recipient of the Prospector of the Year Award – 2006 (Association de
l’exploration minire du Qubec) and Prospector of the Year Award – 2008
(Prospectors and Developers Association of Canada), both awards shared with the
Osisko team. Mr. Roosen is a graduate of the Haileybury School of Mines.

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