EXHIBIT 2.1 ----------- AGREEMENT AND PLAN OF MERGER AND REORGANIZATIONMerger Agreement • May 25th, 1999 • Excel Switching Corp • Communications equipment, nec • Delaware
ESCROW AGREEMENTEscrow Agreement • May 25th, 1999 • Excel Switching Corp • Communications equipment, nec • Delaware
EXHIBIT 4.3 ----------- REGISTRATION RIGHTS AGREEMENTRegistration Rights Agreement • May 25th, 1999 • Excel Switching Corp • Communications equipment, nec • Delaware
EXHIBIT 4.2 ----------- SIDE LETTER AGREEMENT Side Letter Agreement dated as of May 10, 1999, by and among Excel Switching Corporation, a Massachusetts corporation ("Parent"), Racepoint Acquisition Corporation, a Delaware corporation and a...Side Letter Agreement • May 25th, 1999 • Excel Switching Corp • Communications equipment, nec
EXHIBIT 2.2 ----------- AMENDMENT NO. 1 TO AGREEMENT AND PLAN OF MERGER AND REORGANIZATION This Amendment No. 1 (this "AMENDMENT") to the Agreement and Plan of Merger and Reorganization dated as of April 15, 1999 (the "MERGER AGREEMENT"), by and among...Agreement and Plan of Merger and Reorganization • May 25th, 1999 • Excel Switching Corp • Communications equipment, nec
