AMENDMENT NO. 1 TO AGREEMENT AND PLAN OF MERGERAgreement and Plan of Merger • December 19th, 2007 • PAETEC Holding Corp. • Telephone communications (no radiotelephone) • Delaware
Contract Type FiledDecember 19th, 2007 Company Industry JurisdictionTHIS AMENDMENT NO. 1 (this “Amendment”) to Agreement and Plan of Merger, dated as of September 17, 2007 (the “Agreement”), is made and entered into as of December 18, 2007, by and among PAETEC HOLDING CORP., a Delaware corporation (“Buyer”), PS ACQUISITION CORP., a Delaware corporation (“Merger Sub”), and MCLEODUSA INCORPORATED, a Delaware corporation (“Seller”).