0001193125-10-280823 Sample Contracts

AMENDMENT NO. 1 TO THE AGREEMENT AND PLAN OF MERGER

Agreement and Plan of Merger • December 15th, 2010 • Primus Telecommunications Group Inc • Telephone communications (no radiotelephone) • Delaware

• Contract Type
  Agreement and Plan of Merger
• Filed
  December 15th, 2010
• Company
  Primus Telecommunications Group Inc
• Industry
  Telephone communications (no radiotelephone)
• Jurisdiction
  Delaware

This Amendment No. 1 (this “Amendment”) dated as of December 14, 2010 to the Agreement and Plan of Merger dated November 10, 2010 (the “Merger Agreement” or the “Agreement”) by and among Primus Telecommunications Group, Incorporated, a Delaware corporation (“Parent”), PTG Investments, Inc., a Delaware corporation and a direct wholly owned subsidiary of Parent (“Merger Sub”), and Arbinet Corporation, a Delaware corporation (the “Company”).