July 18, 2008

Internap Network Services to Release Financial Results for Second Quarter 2008 on Tuesday, August 5

Internap Network Services Corporation (NASDAQ: INAP), a global provider of end-to-end Internet business solutions, will host a conference call briefing with Jim DeBlasio, president and chief executive officer, and George Kilguss, chief financial officer, on Tuesday, August 5, 2008 at 5:00 p.m. EDT, to discuss the company's financial results for the second quarter 2008.

Participants may access the call by dialing 877-548-7907. International callers should dial 719-325-4898. Listeners may also connect to the simultaneous webcast available from the investor relations section of the company's web site at http://ir.internap.com/events.cfm. A replay of the call will be accessible from Tuesday, August 5 at 8 p.m. EDT through Tuesday, August 12 at 888-203-1112 using the replay code 3760124. International participants can access the archived call at 719-457-0820 with the same access code.

About Internap

Internap is a leading Internet solutions company that provides The Ultimate Online Experience by managing, delivering and distributing applications and content with unsurpassed performance and reliability. With a global platform of data centers, managed Internet services, a content delivery network (CDN) and content monetization services, Internap frees its customers to innovate their business and create new revenue opportunities. More than 3,700 companies across the globe trust Internap to help them achieve their Internet business goals. For more information, visit www.internap.com.