SAN JOSE, Calif., April 12, 2005 – JDS Uniphase Corporation (Nasdaq: JDSU and TSX: JDU), today announced that it will report financial results for its fiscal 2005 third quarter on Wednesday, April 27, 2005, after the market closes.

The company will host a conference call at 2:00 p.m., Pacific Time, on Wednesday, April 27, 2005 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 3:30 p.m., Pacific Time, on Wednesday, April 27, 2005, and will be available until Wednesday, May 18, 2005.

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: Investor Relations, 408-546-4445 or investor.relations@jdsu.com

Media: Gerald Gottheil, Corporate Communications, 408-546-4400 or gerald.gottheil@jdsu.com