Primero Completes Secondary Offering

Goldcorp Inc. (“Goldcorp”) completed a secondary bought deal offering (the “Offering”) of common shares of Primero Mining Corp. (“Primero”) in connection with an underwriting agreement with Scotia Capital Inc. and Canaccord Genuity Corp. (the “Underwriters”) on October 11, 2012.

The Underwriters purchased 8,422,460 common shares of Primero from Goldcorp at a purchase price of $5.25 per share for gross proceeds of $44,217,915.

Primero did not receive any part of the proceeds from the Offering. Following completion of the Offering, Goldcorp retained ownership of approximately 32 per cent of the outstanding common shares of Primero.

The Underwriters were represented by Blake, Cassels & Graydon LLP, with a team that included Bob Wooder, Kathleen Keilty, Denis Silva, David Bowles and Krystin Kempton (securities); and Kevin Zimka (tax); and by Riccardo Leofanti and David Beeston of Skadden, Arps, Slate, Meagher & Flom LLP (US securities).

Primero was represented in-house by Maura Lendon, Vice President, Chief General Counsel and Corporate Secretary, by McMillan LLP, with a team that included Leo Raffin, Stephen Wortley, Barbara Collins, Cory Kent, Alexis Cloutier and Bosa Kosoric (securities); and Herbert Ono and Daniel Dex (US securities); and by John Hollinrake of Dorsey & Whitney LLP (US tax).

Goldcorp was represented in-house by Benjamin Lee, Corporate Counsel, by Cassels Brock & Blackwell LLP, with a team that included Mark Bennett, Jennifer Traub and Jennifer Hansen (securities and mining); and by David Stone and John Koenigsknecht of Neal, Gerber & Eisenberg LLP (US securities).

Lawyer(s)

Alexis Cloutier Jennifer Traub Leo Raffin Cory H. Kent David Beeston Denis Silva Jen Hansen Daniel Dex Kathleen P. Keilty Barbara Collins Bob J. Wooder Riccardo Leofanti Mark T. Bennett Kevin Zimka Stephen D. Wortley Herbert I. Ono

Firm(s)

Blake, Cassels & Graydon LLP Skadden, Arps, Slate, Meagher & Flom LLP McMillan LLP Dorsey & Whitney LLP Cassels Brock & Blackwell LLP Neal, Gerber & Eisenberg LLP