EXHIBIT 4.6 AGREEMENT AND PLAN OF MERGER BY AND AMONG AKAMAI TECHNOLOGIES, INC., NANTUCKET ACQUISITION CORP., NINE SYSTEMS CORPORATION AND THE PRINCIPAL STOCKHOLDERS OF NINE SYSTEMS CORPORATION (NAMED HEREIN) November 17, 2006 TABLE OF CONTENTSMerger Agreement • December 27th, 2006 • Akamai Technologies Inc • Services-business services, nec • Delaware
