ADVISORY/Juniper Networks Vice President Dubhe Beinhorn to Speak on House Oversight Hearing Panel on Network Vulnerabilities.

Business Editors/Assignment Desks/High-Tech Writers

ADVISORY...for Wednesday (June 2)

--(BUSINESS WIRE)

Juniper Networks, Inc. (Nasdaq:JNPR)

What:   House Committee on Government Reform hearing: "Who Might be
        Lurking at Your Cyber Front Door? Is Your System Really
        Secure? Strategies and Technologies to Prevent, Detect and
        Respond to the Growing Threat of Network Vulnerabilities."

When:   Wednesday, June 2, 2004, 1:30 p.m.

Where:  2154 Rayburn House Office Building
        Washington, DC 20515-6143

Why:    Network security breaches have been on the rise since 1999,
        and continue to grow at an alarming rate. The Subcommittee on
        Technology, Information Security, Policy, Intergovernmental
        Relations and the Census will examine whether systems
        throughout both federal government and the private sector are
        being consistently evaluated and updated to prevent known
        vulnerabilities.

Who:    Dubhe Beinhorn, vice president of Juniper Federal Systems,
        will participate on an industry panel discussing vulnerability
        management strategies. Specifically, she will address how
        networks create great value but at the same time, if not
        designed in secure fashion, can create security problems. At
        Juniper Networks, Beinhorn is responsible for the development
        and execution of all aspects of federal activities.

        Beinhorn is available for interviews prior to, at the hearing
        or by phone after the hearing.

        Also testifying at the hearing are Karen Evans, administrator
        of e-government at the Office Management and Budget and Amit
        Yoran, director of National CyberSecurity at Department
        Homeland Security.

About Juniper Networks, Inc.

Juniper Networks transforms the business of networking by creating competitive advantage for our customers with superior networking and security solutions. Juniper Networks is dedicated to customers who derive strategic value from their networks, including global network operators, enterprises, government agencies and research and educational institutions. Juniper Networks' portfolio of networking and security solutions support the complex scale, security and performance requirements of the world's most demanding mission critical networks. Additional information can be found at www.juniper.net.