TORONTO, ONTARIO — (Marketwired) — 07/03/13 — Antofagasta Gold Inc. ("Antofagasta" or the "Company") (TSX VENTURE: AN) has commenced an exploration program on its recently optioned Pampas El Penon property. The Property consists of seven separate blocks surrounding the El Penon Gold Mine operated by Yamana Gold, including the land package immediately to the west and north of the Pampa Augusta Victoria discovery veins (See Figure 1 below). Over 20 epithermal veins, with a