Internap to Release Financial Results for Second Quarter 2006 Thursday, August 3, 2006

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, August 3rd, at 5:00 p.m. ET to discuss the
financial results for the second quarter ended June 30, 2006.
   Participants may access the call by dialing [phone];
passcode 1221423. Internap will also provide an international dial-in
number at [phone]; passcode 1221423. A replay will be available
from August 3rd through August 11th at [phone] or (719)
457-0820; replay code 1221423. 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 August 3rd through August 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 IP networks. 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 P-NAP are trademarks of Internap. All other
trademarks and brands are the property of their respective owners.