Illuminet To Present at The Bear Stearns Technology Conference

Business Wire, June 7, 2001

Business/High-Tech Editors

OLYMPIA, Wash.--(BUSINESS WIRE)--June 7, 2001

Illuminet Holdings, Inc. (Nasdaq:ILUM), a leading provider of advanced nationwide signaling and intelligent network services to telecommunications carriers, will be presenting at The 12th Annual Bear Stearns Technology Conference on Tuesday, June 12, 2001 at the Grand Hyatt New York in New York City.

Roger Moore, President and CEO, and Dan Weiss, Chief Financial Officer are scheduled to present to an audience of analysts and portfolio managers at 10:30 a.m. EDT. A live Web cast and replay of the presentation will be available on the company's Web site in the Investor Relations Audio Archives section: http://www.illuminet.com/ir/.> About Illuminet

Founded in 1981, Illuminet (Nasdaq: ILUM) is a leading provider of advanced nationwide signaling and intelligent network services to the communications industry. Connection to the Illuminet network gives carriers access to the system of signaling networks of nearly the entire U.S. public-switched telecommunications infrastructure through a single source. Illuminet specializes in SS7 network services and intelligent network solutions for services such as calling name delivery, calling card validation, wireless roaming, number portability, network usage measurement, network management, Operations Support System (OSS) interconnection services, clearinghouse services, toll-free database and other specialized database access functions. The company also provides prepaid wireless services, including real-time account management, through its subsidiary National Telemanagement Corporation, based in Dallas, TX. Illuminet's headquarters are at 4501 Intelco Loop SE, Lacey, WA 98503; 360/493-6000; www.illuminet.com.

EDITOR'S NOTE: Illuminet is a registered service mark of Illuminet Holdings, Inc. and SmartPay Wireless is a registered service mark of National Telemanagement Corporation (NTC), an Illuminet company. All other trademarks are property of their respective holders.