Cognex Corporation Announces First Quarter Earnings Release Date and C

    Business Editors/Technology Editors

    NATICK, Mass.--(BUSINESS WIRE)--March 31, 2005--Cognex Corporation (NASDAQ: CGNX) will release earnings for the first quarter of 2005 on Tuesday, April 19, 2005, after the market closes and will host a conference call at 5:00 p.m. eastern time that same day. The telephone number for the live call is 800-770-5589 (or 973-935-2039 if outside the United States). A replay will begin at approximately 7:00 p.m. eastern time on Tuesday, April 19, 2005 and will run continuously for 72 hours. The telephone number for the replay is 877-519-4471 (or 973-341-3080 if outside the United States) and the access code is 5889943.
    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/investor/default.asp.

    About Cognex Corporation

    Cognex Corporation designs, develops, manufactures, and markets machine vision systems, or computers that can "see." Cognex is the world's leader in the machine vision industry, having shipped more than 225,000 machine vision systems, representing over $1.6 billion in cumulative revenue, since the company's founding in 1981. Cognex's Modular Vision Systems Division, headquartered in Natick, Massachusetts, specializes in machine vision systems which are used for automating the manufacture of a wide range of discrete items and for assuring their quality. Cognex's Surface Inspection Systems Division, headquartered in Alameda, California, specializes in machine vision systems which are used for inspecting the surfaces of products manufactured in a continuous fashion, such as metals, paper, and plastics. In addition to its corporate headquarters in Natick, Massachusetts, Cognex also has regional offices located throughout North America, Japan, Europe, and Southeast Asia. Visit Cognex on-line at http://www.cognex.com.

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CONTACT: Cognex Corporation Susan Conway, 508-650-3353

KEYWORD: MASSACHUSETTS INDUSTRY KEYWORD: HARDWARE EARNINGS CONFERENCE CALLS SOURCE: Cognex Corporation

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