TORONTO, May 01, 2018 (GLOBE NEWSWIRE) — Primero Mining Corp. (“Primero” or the “Company”) (TSX:P) today announced that the Company has agreed to an extension of its revolving credit facility (“RCF”) and the related guarantee provided by Wheaton Precious Metals Corp., both previously maturing on April 30, 2018, to the earlier of (i) May 15, 2018, (ii) the closing of the business combination with First Majestic Silver Corp. announced on January 12, 2018, and (iii) the seventh business day following termination of the proposed business combination.