For Immediate Release

Pro-Dex, Inc.

(714) 241-4411

Pro-Dex, Inc. Announces Fiscal 2005 Third Quarter Conference Call and Webcast

SANTA ANA , CA , May 5, 2005 - PRO-DEX, INC. (NASDAQ: PDEX) invites shareholders and investors to listen to a broadcast review of the Company’s financial results for the third quarter of fiscal 2005, and a discussion of the 2005 outlook.

The call is scheduled to be broadcast live over the Internet on Thursday, May 12, 2005 at 4:30 p.m. Eastern Time and can be accessed by visiting the Company's website at www.pro-dex.com. Patrick Johnson, President and Chief Executive Officer, and Jeff Ritchey, Chief Financial Officer and Treasurer, plan to host the call. If you would like to join the call, dial (800) 553-0329 U.S. and (612) 332-0802 for international callers. You may identify the call as the Pro-Dex Third Quarter Earnings call.

An online archive of the broadcast will be available within one hour of the completion of the call and will be accessible on the Company's website for 30 days. Additionally, a telephone replay will be available 2 ½ hours after the call for 48 hours by dialing (800) 475-6701 U.S. or (320) 365-3844 for international callers, conference ID number 781132.

Pro-Dex Inc., with operations in Santa Ana, California and Beaverton, Oregon, specializes in bringing speed to market in the development and manufacture of technology-based solutions that incorporate embedded motion control and miniature rotary drive systems, serving the medical, dental, semi-conductor, and scientific research markets.  Pro-Dex's products are found in hospitals, dental offices, medical engineering labs, scientific research facilities and high tech manufacturing operations around the world.

For more information, visit the Company's website at www.pro-dex.com.

Statements herein concerning the Company's plans, growth and strategies may include 'forward-looking statements' within the context of the federal securities laws. Statements regarding the Company's future events, developments and future performance, as well as management's expectations, beliefs, plans, estimates or projections relating to the future, are forward-looking statements within the meaning of these laws. The Company's actual results may differ materially from those suggested as a result of various factors. Interested parties should refer to the disclosure concerning the operational and business concerns of the Company set forth in the Company's filings with the Securities and Exchange Commission.