Acme Packet Inc (APKT) SEC Filing 10-K Annual report for the fiscal year ending Monday, December 31, 2007

Exhibit 99.1

Acme Packet Reports Record Results for Fourth Quarter of Fiscal Year 2007

—  Company Posts Record Revenues and Pre-Tax Earnings; Issues Business Outlook for 2008  —

BURLINGTON, MA. — February 7, 2008 — Acme Packet, Inc. (NASDAQ: APKT), the leader in session border control solutions, today announced results for the fourth quarter and fiscal year ended December 31, 2007.  The Company also issued its business outlook for the fiscal year ending December 31, 2008.  Summary financial results are as follows:

Fiscal Year 2007 Q4:

·                  Record Quarterly Revenues of $31.4 million, up 32% year-over-year;

·                  Record Quarterly Earnings Before Income Taxes of $8.7 million, up 29% year-over-year;

Fiscal Year 2007:

·                  Record Annual Revenues of $113.1 million, up 34% year-over-year;

·                  Record Annual Earnings Before Income Taxes of $30.9 million, up 22% year-over-year;

Results for the Fourth Quarter of Fiscal Year 2007

Total revenues for the fourth quarter of fiscal year 2007 grew to a record $31.4 million, an increase of 32% compared to $23.7 million in the same period last year.  Earnings before taxes for the fourth quarter of fiscal year 2007 grew to a record $8.7 million, an increase of 29% compared to $6.7 million in the same period last year.  The Company’s results in the fourth quarter of fiscal year 2007 reflect a fully effective GAAP tax rate of approximately 40% compared to a tax benefit in the same period last year when the Company was able to utilize net operating loss carryforwards and tax credits to offset taxable income.  Net income for the fourth quarter of fiscal year 2007 was $5.2 million, or $0.08 per share on a diluted basis, compared to $10.8 million, or $0.18 per share on a diluted basis, in the same period last year.  Net income on a non-GAAP(1) basis for the fourth quarter of 2007 was $6.5 million, or $0.10 per share on a diluted basis compared to $6.5 million, or $0.11 per share on a diluted basis in the same