SAN JOSE, Calif., October 12, 2005 – JDSU today announced that it will report financial results for its fiscal 2006 first quarter on Wednesday, November 9, 2005, after the market closes.

The company will host a conference call at 2:00 p.m. Pacific Time on Wednesday, November 9, 2005 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 from 3:30 p.m. Pacific Time on Wednesday, November 9, 2005, and will be available until Wednesday, November 30, 2005.

About JDSU
JDSU (NASDAQ: JDSU; and TSX: JDU) is committed to enabling broadband & optical innovation in the communications, commercial and consumer markets. JDSU is a 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 applications, and decorative.  More information is available at www.jdsu.com.

Contacts

Investors: Jacquie Ross, 408-546-4445 or investor.relations@jdsu.com 
Media: Jayme Curtis, Public Relations, 408-546-7028 or jayme.curtis@jdsu.com