IIP InterNAP Network Services

Internap Network Services Corporation (AMEX: IIP), a leading provider of performance-based routing solutions over the Internet, will host a conference call briefing with Internap management on Thursday, May 4th, at 5:00 p.m. ET to discuss the financial results for the first quarter ended March 31, 2006. Participants may access the call by dialing 866-202-0886; passcode 86358891. Internap will also provide an international dial-in number at 617-213-8841; passcode 86358891. A replay will be available from May 4th through May 11th at 888-286-8010; replay code 91895636 and international dial-in at 617-801-6888; replay code 91895636. Alternatively, participants may connect to the simultaneous Webcast available from the investor services section of the company's Web site at http://www.internap.com/investor/presentations/page1294.html. Internap will also provide a free replay of the teleconference through the Webcast link from May 4th through May 11th. About Internap Internap is a market leader of intelligent route control solutions that bring reliability, performance and security to the Internet. The company's patented and patent-pending technologies address the inherent weaknesses of the Internet, enabling enterprises to take full advantage of the benefits of deploying business-critical applications such as e-commerce, Voice-over-IP (VoIP), video-conferencing and streaming audio/video across the Internet. Through a portfolio of high-performance IP and WAN optimization solutions, customers can bypass congestion points, overcome routing inefficiencies and optimize performance of their applications. Internap solutions are backed by an industry-leading performance guarantee that covers the Internet as opposed to just one network. These offerings include: network- and premise-based route optimization solutions, colocation, VPN, content distribution and managed security services. Internap currently serves more than 2,100 customers, including Fortune 1000 and mid-tier enterprises in the financial services, government, travel/hospitality, manufacturing, media/entertainment, technology and retail industries. The company provides services throughout North America, Europe, Asia and Australia. For more information, please visit the company website at www.internap.com. Internap and the Internap logo are registered trademarks of Internap. All other trademarks and brands are the property of their respective owners.