Acme Packet Prices Initial Public Offering

Business Wire, Oct 13, 2006

BURLINGTON, Mass. -- Acme Packet, Inc. (NASDAQ: APKT) today announced the pricing of an initial public offering by Acme Packet of 8.0 million shares and by certain of its stockholders of approximately 3.5 million shares of its common stock, each at a price of $9.50 per share. Acme Packet has also granted the underwriters a 30-day option to purchase up to approximately 1.7 million additional shares from Acme Packet. Acme Packet's common stock will be listed on the Nasdaq Global Market under the symbol "APKT" and will begin trading on Friday, October 13, 2006.

Goldman, Sachs & Co. is the sole book-running manager, Credit Suisse is co-lead manager, and JPMorgan and ThinkEquity Partners are co-managers for the offering. A copy of the final prospectus relating to the offering may be obtained by contacting Goldman, Sachs & Co., Attn: Prospectus Department, 85 Broad Street, New York, New York 10004, via fax at 212-902-9316 or via e-mail at prospectus-ny@ny.email.gs.com.

This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

About Acme Packet, Inc.

Acme Packet, Inc., the leader in session border control solutions, enables service providers to deliver trusted, first class interactive communications - voice, video and multimedia sessions - across IP network borders.