Acme Packet® (NASDAQ: APKT), the leader in session delivery networks, today announced that Mr. Andy Ory, the Company’s President and Chief Executive Officer, and Mr. Peter Minihane, the Company’s Chief Financial Officer and Treasurer, are scheduled to present at the Needham & Company Communications Conference on Tuesday, November 1, 2011 in New York, New York. The Company will webcast its presentation live beginning at approximately 11:20 a.m. eastern time. All interested parties can access the webcast live on Acme Packet’s Investor Relations website at http://www.ir.acmepacket.com. The webcast will be archived on the Company’s website for fourteen days following the presentation. About Acme Packet Acme Packet (NASDAQ: APKT), the leader in session delivery network solutions, enables the trusted, first-class delivery of next-generation voice, data and unified communications services and applications across IP networks. Our Net-Net product family fulfills demanding security, service assurance and regulatory requirements in service provider, enterprise and contact center networks. Based in Bedford, Massachusetts, Acme Packet designs and manufactures its products in the USA, selling them through over 200 reseller partners worldwide. More than 1,525 customers in 107 countries have deployed over 14,000 Acme Packet systems, including 90 of the top 100 service providers and 36 of the Fortune 100. For more information visit www.acmepacket.com. Acme Packet, Inc. Safe Harbor Statement Statements contained herein that are not historical fact (including those in the section “Company Reaffirms Business Outlook for 2011”) may be forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. Such forward-looking statements may relate to, among other things, expected financial and operating results, expected growth rates, future stock-based compensation and amortization expenses, future business prospects and market conditions. Such forward-looking statements do not constitute guarantees of future performance and are subject to a variety of risks and uncertainties that could cause actual results to differ materially from those anticipated. These include, but are not limited to: the amount of stock-based compensation awarded; the applicable Company stock price used to determine stock-based compensation; the exercise pattern of employee stock options; difficulties expanding the Company’s customer base; difficulties leveraging market opportunities; difficulties providing solutions that meet the needs of customers; poor product sales; long sales cycles; difficulties developing new products; difficulties in relationships with vendors and partners; higher risks in international operations; difficulties managing rapid growth; difficulties managing the Company’s financial performance; the ability to hire and retain employees and appropriately staff operations; the Company’s cash needs; the impact of new accounting pronouncements and increased competition. Additional factors that could cause actual results to differ materially from those projected or suggested in any forward-looking statements are contained in the Company’s recent filings with the Securities and Exchange Commission, including those factors discussed under the caption “Risk Factors” in such filings.