Nepean, Ontario and San Jose, California, February 25, 2000 -- JDS Uniphase Corporation (Nasdaq: JDSU and TSE: JDU) today announced that its stockholders approved an increase in the Company's authorized Common Stock from 600 million to 3 billion shares at its special meeting today. Concurrently, the Board of Directors has established March 2, 2000, as the record date for the previously announced two-for-one split of its common shares, and the concurrent two-for-one split of the Exchangeable Shares of JDS Uniphase Canada, Ltd. The payment date for the stock dividend and the stock split will be March 10, 2000.

The Exchangeable Shares will commence trading on a post-split basis on The Toronto Stock Exchange on February 29, 2000. The Common Stock will continue to trade on Nasdaq on a pre-split basis, under the symbol "JDSU," until March 11, 2000, when the Common Stock will commence trading on a post-split basis. Additionally, during the period beginning March 3, 2000, through March 10, 2000, the Common Stock will also trade on Nasdaq on a post-split basis, under the symbol "JDSUV."

JDS Uniphase is a high technology company that designs, develops, manufactures and distributes a comprehensive range of products for the growing fiberoptic communications market. These products are deployed by system manufacturers worldwide to develop advanced optical networks for the telecommunications and cable television industries. JDS Uniphase Corporation is traded on the Nasdaq National Market under the symbol JDSU, and the exchangeable shares of JDS Uniphase Canada Ltd. are traded on The Toronto Stock Exchange under the symbol JDU. More information on JDS Uniphase is available at www.jdsunph.com.