MCLEAN, VA--(Marketwired - May 8, 2013) - Primus Telecommunications Group, Incorporated (NYSE: [ PTGI ]), a global facilities-based integrated provider of advanced telecommunications products and services, is moving the timing of its first quarter 2013 release and conference call. The company will now issue its first quarter 2013 results on Monday, May 13, 2013 before market open, and will conduct its conference call to discuss these results that same day at 8:30am Eastern Time. The company plans to file its Form 10-Q with the Securities and Exchange Commission for the period ended March 31, 2013 prior to the conference call.

To access the call, please dial 866-305-6438 (toll free) or 706-679-7161 approximately 10 minutes prior to the start of the conference call. The conference call will also be broadcast live over the Internet with an accompanying slide presentation, which can be accessed via the Investor Relations section of PTGi's web site at [ www.ptgi.com ]. The webcast and slide presentation will be available for replay for 90 days at [ www.ptgi.com ].

A telephonic replay of this conference call will also be available by dialing 855-859-2056 (toll free) or 404-537-3406 (access code: 56811095) from 11:30 AM ET on May 13, 2013 until midnight ET on May 16, 2013.

About PTGi
PTGi (Primus Telecommunications Group, Incorporated) is a leading provider of advanced communication solutions, including traditional and IP voice, data, mobile services, broadband Internet, metro fiber and Carrier Ethernet to business and residential customers in Canada and the United States. PTGi is also one of the leading international wholesale service providers to fixed and mobile network operators worldwide. PTGi owns and operates its own global network of next-generation IP soft switches, media gateways, hosted IP/SIP platforms, broadband infrastructure, and fiber capacity in Canada. Founded in 1994, PTGi is headquartered in McLean, Virginia.