NATICK, MA August 14, 2007

Cognex Corporation Announces Second Quarter Earnings Release Date and Conference Call

NATICK, MA, August 14, 2007 — Cognex Corporation (NASDAQ: CGNX) will release earnings for the second quarter of 2007 on Wednesday, August 15, 2007 after the market closes and will host a conference call on Thursday, August 16, 2007 at 4:00 p.m. eastern time. The telephone number for the live call is 866-882-0695 (or 703-639-1480 if outside the United States). A replay will begin at approximately 7:00 p.m. eastern time on Thursday, August 16, 2007 and will run continuously until 11:59 p.m. eastern time on Sunday, August 19, 2007. The telephone number for the replay is 888-266-2081 (or 703-925-2533 if outside the United States) and the access code is 1107345.

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 at http://www.cognex.com/CognexInfo/InvestorInfo.

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

Cognex Corporation designs, develops, manufactures, and markets a range of products that incorporate sophisticated machine vision technology that gives them the ability to “see.” Cognex products include barcode readers, machine vision sensors, and machine vision systems that are used in factories, warehouses, and distribution centers around the world to guide, gauge, inspect, identify, and assure the quality of items during the manufacturing and distribution process.

Cognex is the world's leader in the machine vision industry, having shipped more than 1 million vision-based products, representing over $4 billion in cumulative revenue, since the company's founding in 1981. Headquartered in Natick, Massachusetts, USA, Cognex has regional offices and distributors located throughout the Americas, Europe, and Asia.

Cognex, PatMax and In-Sight and EasyBuilder are registered trademarks and PatMax RedLine and In-Sight Explorer are trademarks of Cognex Corporation. All other trademarks are the property of their respective owners.