Primus Telecommunications Group, Incorporated Reports First Quarter 2013 Results

MCLEAN, VA — (Marketwired) — 05/13/13 — Primus Telecommunications Group, Incorporated (NYSE: PTGI)("PTGi") (NYSE: PTGI), a global facilities-based integrated provider of advanced telecommunications products and services, announced results for the first quarter ended March 31, 2013.Additionally, in a press release issued separately, PTGi announced that it has entered into a purchase agreement to sell its North American retail telecommunications operations in the United States and Ca