SAN JOSE, Calif., July 14, 2004 – JDS Uniphase Corporation (Nasdaq: JDSU and TSX: JDU), today announced that it will report financial results for its fourth quarter and fiscal year 2004 on Wednesday, July 28, 2004, after the market closes.

The Company will host a conference call at 1:30pm, Pacific Time, on Wednesday, July 28, 2004 to discuss the results.  To access the live webcast, please visit JDS Uniphase’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 3:30pm, Pacific Time, on Wednesday, July 28, 2004, until Wednesday, September 22, 2004.

About JDS Uniphase
JDS Uniphase Corporation designs and manufactures products for markets where its core optics technologies provide innovative solutions for industrial, commercial and consumer applications.   The Company offers components, modules and subsystems for data communications, telecommunications and cable television, display, security, medical/environmental instrumentation, decorative, aerospace and defense applications. More information is available at http://www.jdsu.com/.

Contacts
Investors: 408-546-5585 or investor.relations@jdsu.com
Media: Corporate Communications, 408-546-4714 or pam.sufi@jdsu.com