NATICK, MA September 27, 2007

Cognex Corporation Announces Third Quarter Earnings Release Date and Conference Call

NATICK, MA, September 27, 2007 — Cognex Corporation (NASDAQ: CGNX) will release earnings for the third quarter of 2007 on Thursday, November 1, 2007 after the market closes and will host a conference call that same day at 4:30 p.m. eastern time.  The earnings release and conference call are scheduled to coincide with the company’s expected filing of its Form 10-Q.

The telephone number for the live call is 866-244-4517 (or 703-639-1169 if outside the United States).  A replay will begin at approximately 7:30 p.m. eastern time on Thursday, November 1, 2007 and will run continuously until 11:59 p.m. eastern time on Sunday, November 4, 2007.  The telephone number for the replay is 888-266-2081 (or 703-925-2533 if outside the United States).  The access code for the live call and the replay is 1147233.  

Internet users can listen to a real-time audio broadcast of the conference call as well as an archive of the call on Cognex’s website.

CONTACT:
Susan Conway
Director of Investor Relations
Telephone: (508) 650-3353
Email: susan.conway@cognex.com

Cognex Corporation designs, develops, manufactures and markets a wide range of image-based products, all of which use artificial intelligence (AI) techniques that give them the human-like ability to make decisions on what they see. Cognex products include machine vision systems, machine vision sensors and barcode readers that are used in factories and distribution centers around the world where they eliminate production and shipping errors.

Cognex is the world's leader in the machine vision industry, having shipped more than 1.5 million image-based products, representing over $5 billion in cumulative revenue, since the company's founding in 1981. Headquartered in Natick, Massachusetts, USA, Cognex has offices and distributors located throughout the Americas, Europe and Asia. For details visit Cognex online at www.cognex.com.