Press Release March 09, 2006

Eagle Test Systems Inc. Initial Public Offering

BOSTON, March 9, 2006 — Eagle Test Systems Inc. announced today its public offering of 6,500,000 shares of common stock at $15.50 per share. Eagle Test Systems designs, manufactures, sells and services high-performance automated test equipment for the semiconductor industry. The company's products are used to test analog, mixed-signal and radio frequency semiconductors that are used in products such as digital cameras, MP3 players, automotive electronics, cellular telephones, computers and peripherals.

Goodwin Procter partners John LeClaire and Michael Turner represented Eagle Test Systems in this matter.