ADVISORY/Nortel Networks Investor Analysts Conference Advisory.

Business Editors/High-Tech Writers

ADVISORY...Wednesday (May 28)

--(BUSINESS WIRE)

What:   Nortel Networks will host an Investor Analysts Conference.

Who:    --  Frank Dunn, President and Chief Executive Officer, and
            the Senior Management Team

When:   8:00AM ET - 12:30PM ET, Wednesday, May 28, 2003

Where:  To participate via the teleconference, please call the
        following numbers at least 15 minutes prior to the start of
        the event:

        North America:   1-888-313-7737
        International:   1-212-748-2800

        To participate via the audio/video webcast, please visit the
        following Web page at least 15 minutes prior to the start of
        the event:
        http://www.nortelnetworks.com/corporate/events/investorconf/