TORONTO, ONTARIO — (Marketwired) — 12/16/13 — (Please note that all dollar amounts in this news release are expressed in U.S. dollars unless otherwise indicated.)Primero Mining Corp. ("Primero" or the "Company") (TSX: P)(NYSE: PPP)(ASX: PPM) and Brigus Gold Corp. ("Brigus") (NYSE: BRD)(TSX: BRD) today announced that they have entered into an arrangement agreement (the "Arrangement Agreement") whereby Primero will acquire all outstanding common shares o