Milpitas, California, September 18, 2007 – JDSU (NASDAQ: JDSU; and TSX: JDU) today announced that Alan Lowe has been appointed to lead its Commercial Lasers business, replacing Phillip Meredith who has announced his plans to retire.

Lowe most recently served as senior vice president, customer solutions group at Asyst Technologies, Inc.  He brings over 20 years experience in general management, operations, sales and business development to JDSU.  Lowe will focus his efforts on margin expansion initiatives, lean manufacturing initiatives and working with customers as the industry continues its transition from gas to solid-state laser platforms.

“I am extremely pleased and privileged to have the opportunity to join the Commercial Lasers team at JDSU,” said Mr. Lowe. “I look forward to continued innovation and am excited to work with such a talented group of professionals.”

“Alan’s strong management and operations background will be a valuable asset for JDSU as we continue to leverage our strength and know-how in telecom manufacturing to lead the industry in designing highly reliable lasers used for precision-driven applications such as biomedical instrumentation, micro-electronics, semiconductors and material processing,”  said Kevin Kennedy, president and chief executive officer of JDSU.  “We would also like to thank Phillip Meredith for his leadership and contribution to JDSU over the years.”

“I am proud to have led the commercial lasers team at JDSU and to have had the opportunity to work with an extraordinarily talented group of individuals,” said Meredith.  “I leave with great confidence in the future direction of the business.”

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, and decorative applications.  More information is available at http://www.jdsu.com/.

Contact Information
Press:   Kathleen Greene, 408-546-5852 or kathleen.greene@jdsu.com
Investors: Michelle Levine 408-546-4421 or michelle.levine@jdsu.com