Milpitas, California, July 25, 2006 – JDSU today announced that it will report financial results for its fiscal 2006 fourth quarter and year end on Wednesday, August 30, 2006 after the market closes.

The company will host a conference call at 2:00 p.m. Pacific Time on Wednesday, August 30, 2006 to discuss the results.  To access the live webcast, please visit JDSU’s website at www.jdsu.com/investors at least 30 minutes before the scheduled start time to download any necessary audio or plug-in software.  A replay of the webcast will be available beginning at 3:30 p.m. Pacific Time on Wednesday, August 30, 2006, and will be available until Wednesday, September 27, 2006.

About JDSU
JDSU (NASDAQ: JDSU; and TSX: JDU) is committed to enabling broadband & optical innovation in the communications, commercial and consumer markets. JDSU is the leading provider of communications test and measurement solutions and optical products for telecommunications service providers, cable operators, and network equipment manufacturers.  Furthermore, JDSU is a leading provider of innovative optical solutions for medical/environmental instrumentation, semiconductor processing, display, brand authentication, aerospace and defense, and decorative applications.  More information is available at www.jdsu.com.

Investors:  Jacquie Ross, 408-546-4445 or investor.relations@jdsu.com
Press:  Jim Monroe, 240-404-1922 or jim.monroe@jdsu.com