VANCOUVER, BRITISH COLUMBIA — (Marketwire) — 02/05/13 — GREAT PANTHER SILVER LIMITED (TSX: GPR)(NYSE MKT: GPL) (or "the Company") is pleased to announce that underground drilling programs at the Company-s wholly owned Guanajuato Mine Complex have been successful in intersecting high grade silver-gold mineralization in the historic Valenciana Mine area and discovering two new zones of silver-gold mineralization in the Guanajuatito Mine area.The drilling at Valenciana included an int