Photon Dynamics, Inc. (PHTN) President and Chief Executive Officer to Ring the NASDAQ Stock Market Closing Bell


ADVISORY, May 5, 2008 (PRIME NEWSWIRE) --


 What:
 Jeffrey A. Hawthorne, President and Chief Executive Officer of
 Photon Dynamics, Inc. (PHTN), will preside over the Closing Bell.

 Where:
 NASDAQ MarketSite -- 4 Times Square -- 43rd & Broadway --
 Broadcast Studio

 When:
 Tuesday, May 6 at 4:00 p.m. EDT

 Contacts:
 Photon Dynamics, Inc.:
 Tanya Klaben
 Manager, IR & Marketing Communications
 408.360.3527
 Tanya.Klaben@photondynamics.com

 NASDAQ MarketSite:
 Robert Madden
 646.441.5045
 Robert.Madden@NASDAQOMX.com

Feed Information:

The Closing Bell is available from 3:50 p.m. to 4:05 p.m. on uplink IA-6 C-band/transponder 17. The downlink frequency is 4040 Vertical; Audio 6.2-6.8. The feed can also be found on Waterfront fiber 1623. If you have any questions, please contact Robert Madden at (646) 441-5045.

Radio Feed:

An audio transmission of the Closing Bell is also available from 3:50 p.m. to 4:05 p.m. on uplink IA6 C band / transponder 24, downlink frequency 4180 horizontal. The feed can be found on Waterfront fiber 1623 as well.

Webcast:

A live Webcast of the NASDAQ Closing Bell will be available at: http://www.nasdaq.com/about/marketsitetowervideo.asx

Photos:

To obtain a hi-resolution photograph of the Market Close, please go to http://www.nasdaq.com/reference/marketsite_events.stm and click on the market close of your choice.

About Photon Dynamics, Inc. (PHTN):

Photon Dynamics, Inc. (Nasdaq:PHTN) is a global supplier utilizing advanced machine vision technology for market leading liquid crystal display (LCD) flat panel display test and repair systems and for high performance digital imaging systems for defense, surveillance, industrial inspection and medical imaging applications. For more information about Photon Dynamics, visit its website at www.photondynamics.com.