ATLANTA, GA – January 27, 2011 – Internap Network Services Corporation (NASDAQ: INAP), a leading provider of high-performance IT infrastructure services, will release fourth quarter and full-year 2010 financial results after market close on Thursday, February 24, 2011. At 5:00 p.m. EST the same day, senior management will host a conference call presentation to discuss the results.

Participants may access the call by dialing 866-515-9839. International callers should dial 631-813-4875. Listeners may connect to the simultaneous webcast, which will include accompanying presentation slides, on the investor relations section of our web site at http://ir.internap.com/events.cfm. An online archive of the webcast presentation will be available for one month following the call. An audio-only replay will be accessible from Thursday, February 24, 2011 at 8 p.m. EST through Thursday, March 3, 2011 at 800-642-1687 using the replay code 40146200. International callers can access the archived event at 706-645-9291 with the same code.

###

About Internap

Internap provides high-performance IT infrastructure services that enable our customers to focus on their core business, improve service levels and lower the cost of IT operations. Our colocation, connectivity and managed hosting solutions are differentiated by unparalleled levels of performance, availability and support. Since 1996, thousands of enterprises have entrusted Internap to deliver their business-critical IT infrastructure needs. For more information, http://www.internap.com/.

Internap Media Contact

Mariah Torpey
781-418-2404
internap@daviesmurphy.com

Investor Contact

Andrew McBath
Internap
404-302-9700
ir@internap.com