FOR IMMEDIATE RELEASE

NATICK, MA, USA December 22, 2008

Cognex to Present at Needham & Company Growth Conference

NATICK, MA, December 22, 2008 — Cognex Corporation (NASDAQ: CGNX) is scheduled to present at the Needham & Company Eleventh Annual Growth Stock Conference at The New York Palace Hotel in New York, NY.  Dr. Robert J. Shillman, Chairman and Chief Executive Officer of Cognex, will discuss the company’s performance and future prospects on Tuesday, January 6, 2009 beginning at 11:00 a.m. eastern time.

Internet users can listen to a real-time audio broadcast of the presentation as well as an archive of the presentation on Cognex’s website at cognex.com/Investor.

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

About Cognex Corporation

Cognex Corporation (“the Company” or “Cognex”) invents and commercializes technologies that address some of the most critical manufacturing and distribution challenges. We are a leading global provider of machine vision products and solutions that improve efficiency and quality in high-growth-potential businesses across attractive industrial end markets. Our solutions blend physical products and software to capture and analyze visual information, allowing for the automation of manufacturing and distribution tasks for customers worldwide. Machine vision products are used to automate the manufacturing or distribution and tracking of discrete items, such as mobile phones, electric vehicle batteries and e-commerce packages, by locating, identifying, inspecting, and measuring them. Machine vision is important for applications in which human vision is inadequate to meet requirements for size, accuracy, or speed, or in instances where substantial cost savings or quality improvements are maintained.

Cognex is the world's leader in the machine vision industry, having shipped more than 4 million image-based products, representing over $10 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.com.

IR Contact
Nathan McCurren
Head of Investor Relations
Cognex Corporation
ir@cognex.com

Media Contact
Jeremy Sacco
Senior Manager, Global Content Marketing
Cognex Corporation
pr@cognex.com

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