About Internap

Internap to Release Financial Results for First Quarter 2007 on Thursday May 3, 2007

ATLANTA – April 17, 2007 – Internap Network Services Corporation (NASDAQ: INAP), the Internet solutions provider of choice for the world’s elite businesses, will host a conference call briefing with its senior management on Thursday, May 3, at 5:00 p.m., eastern time, to discuss the company’s financial results for the first quarter ended March 31, 2007.

Participants may access the call by dialing 866-510-0708 and entering passcode 85751277. International participants may access the call by dialing 617-597-5377 and entering passcode 85751277. A replay will be available from May 3rd at 7:00 p.m., eastern time, through May 10th at 888-286-8010 using replay code 47902842 and at 617-801-6888 using replay code 47902842 for international participants. Alternatively, participants may connect to the simultaneous Webcast available from the investor services section of the company's Web site at http://ir.internap.com/events.cfm.

About Internap
Internap is a leading Internet solutions provider that manages, delivers and distributes applications and content with unmatched performance and reliability. With a global platform of data centers, managed IP services, content delivery network and content monetization services. Internap frees its customers to drive innovation inside their business and create new revenue opportunities. More than 3,000 companies across the globe trust Internap to help them achieve their Internet business goals. Internap is “Making Innovation Possible.” For more information visit www.internap.com.

Internap and VitalStream are trademarks of Internap Network Services Corporation and a wholly owned subsidiary, respectively. All other trademarks and brands are the property of their respective owners.

Media Contact:    
L.A. Campbell    
404-302-9721    
lcampbell@internap.com   

Investor Contact:
Andrew Albrecht
404-302-9841
aalbrecht@internap.com

-------------------------------------------