TORONTO, ONTARIO — (Marketwire) — 05/15/12 — Primero Mining Corp. ("Primero" or the "Company") (TSX: P)(NYSE: PPP) announced today that subsequent to its news release dated March 28, 2012, it has filed a National Instrument 43-101 Technical Report on SEDAR () and Edgar () for its San Dimas 2011 Reserves and Resources estimate.The Technical Report, dated April 16, 2012, is available on Primero-s web site at under the section.About PrimeroPrimero Mining Corp. is a Canadia
