Internap Network Services to Release Fourth Quarter and Full-Year 2008 Financial Results on Thursday, March 12

Internap Network Services Corporation (NASDAQ: INAP), a global provider of end-to-end Internet business solutions, will host a conference call briefing with Internap’s senior management on Thursday, March 12, 2009 at 5:00 p.m. EDT, to discuss the company’s financial results for the fourth quarter and full-year 2008.

Participants may access the call by dialing 888-599-4884. International callers should dial 913-312-0654. Listeners may also connect to the simultaneous webcast available from the investor relations section of the company’s web site at . A replay of the call will be accessible from Thursday, March 12 at 8 p.m. EDT through Wednesday, March 18 at 888-203-1112 using the replay code 4577308. International callers can access the archived event at 719-457-0820 with the same 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 100% performance and reliability. With a global platform of data centers, managed Internet services and a content delivery network (CDN), Internap frees its customers to innovate their business, improve service levels, and lower the cost of IT operations. More than 3,000 companies across the globe trust Internap to help them achieve their Internet business goals. For more information, visit .