X0306 4 2013-03-28 1 0001130258 ACME PACKET INC APKT 0001511263 Muirhead James Russell C/O ACME PACKET, INC. 100 CROSBY DRIVE BEDFORD MA 01730 1 0 0 0 Common Stock 2013-03-28 4 D 0 6500 29.25 D 0 D Stock Option (Right to Buy) 26.78 2013-03-28 4 D 0 12500 2.47 D 2022-05-04 Common Stock 12500 0 D Disposed of for a cash payment of $29.25 per share pursuant to the Agreement and Plan of Merger (the "Merger Agreement"), dated as of February 4, 2013 by and among Acme Packet, Inc. ("Acme"), OC Acquisition LLC, Andes Acquisition Corporation, and Oracle Corporation ("Oracle") in connection with the merger that became effective on March 28, 2013. Twenty-five percent of the shares underlying the options vested on August 4, 2012, and the balance of the shares vest in equal installments on each three month anniversary thereafter beginning on November 4, 2012 and ending on May 4, 2013. /s/ Tim Demakis, as attorney-in-fact 2013-03-29