Recent Press Releases
| June 4, 2013 PT Regains Compliance with NASDAQ Listing Rules |
| May 2, 2013 PT Announces First Quarter 2013 Financial Results |
| April 30, 2013 Diameter Routing Segmentation: PT Announces Routing Segmentation for the SEGway Universal Diameter Router |
| April 26, 2013 PT Schedules First Quarter 2013 Earnings Release and Conference Call |
| February 21, 2013 PT Announces Fourth Quarter 2012 Financial Results |
| February 15, 2013 PT Schedules Fourth Quarter 2012 Earnings Release and Conference Call |
| January 10, 2013 PT Sharpens Its Strategic Business Focus |
