San Jose, CA – January 12, 2004 – JDS Uniphase (Nasdaq: JDSU and TSX: JDU), today announced that a JDS Uniphase-manufactured DLP* light engine will be incorporated in ViewSonic^®Corporation’s N5600w, Rear Projection Television (RPTV) recently introduced at the Consumer Electronics Show in Las Vegas, Nevada. Integration into this new ViewSonic product extends JDS Uniphase’stechnological leadership in the high definition television (HDTV) market.

JDS Uniphase believes the light engine, designed by Advanced Digital Optics and produced under license by JDS Uniphase, is ideal for large-screen, high definition television rear projection systems, delivering resolution of 1280 x 720 pixels, brightness greater than 750 Nits, and ANSI contrast levels higher than 250:1.

“In a space as competitive as large-screen rear projection, performance becomes a crucial differentiating factor,” said Charlie Pan, director of the Visual Display Division, ViewSonic. “Our selection of the JDS Uniphase DLP light engine will help us bring the highest-quality, high-definition visual display products to the television market.”

“We are very pleased that ViewSonic has chosen the JDS Uniphase light engine to be incorporated in its DLP projection television,” said Greg Miller, vice president and general manager of JDS Uniphase’s OCLI Products Division. “We have been designing and manufacturing components supporting DLP technology since its inception and this experience has enabled us to deliver what we believe is market-leading RPTV engine performance.”

About JDS Uniphase
JDS Uniphase Corporation, a worldwide leader in optical technology, designs and manufactures products for fiberoptic communications, as well as for markets where its core optics technologies provide innovative solutions for industrial, commercial and consumer applications. The Company’s fiberoptic components and modules are deployed by system manufacturers for the data communications, telecommunications and cable television industries. The Company also offers products for display, security, medical/environmental instrumentation, decorative, aerospace and defense applications. More information is available at www.jdsu.com.

The statements contained in this press release that are not purely historical are forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Act of 1934. Such forward-looking statements include, but are not limited to, any statement or implication that the products described in this press release (i) will be successfully introduced or marketed, (ii) will be qualified and purchased by our customers, or (iii) will perform to any particular specifications or performance or reliability standards. Such forward-looking statements involve risks and uncertainties that, if realized, could materially impair the Company's results of operations, business, and financial condition. These risks and uncertainties include, but are not limited to, (a) the failure of the products (i) to perform as expected without material defects, (ii) to be manufactured at acceptable volumes, yields, and cost, (iii) to be qualified and accepted by our customers, and (iv) to successfully compete with products offered by our competitors, and (b) factors discussed from time to time in reports filed by the Company with the Securities and Exchange Commission. The forward-looking statements contained in this news release are made as of the date hereof, and the Company does not assume any obligation to update or qualify any of the statements made herein. Source: JDS Uniphase Corporation.

* DLP – is a trademark of Texas Instruments.

General Inquiries: Contact your JDS Uniphase Representative or call 800-498-5378 in North America or + 800-5378-5378 outside of North America.