MCLEAN, VA--(Marketwire - Feb 16, 2012) - [ Primus Telecommunications Group, Incorporated ] (NYSE: [ PTGI ]) ("PTGi" or the "Company"), a global facilities-based integrated provider of advanced telecommunications products and services, will release its fourth quarter 2011 financial results after the market's close on Wednesday, March 14, 2012 and hold a conference call on Thursday, March 15, 2012 at 8:30 AM ET.

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: 50759481) from 12:30 PM ET on March 15, 2012 until midnight ET on March 22, 2012.

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, collocation, hosting, and outsourced managed services to business and residential customers in the United States, Canada, Australia, and Brazil. 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, fiber capacity, and data centers located in Canada, Australia, and Brazil. Founded in 1994, PTGi is headquartered in McLean, Virginia.