ATLANTA, October 15, 2009 — Internap Network Services Corporation (NASDAQ: INAP), a global provider of end-to-end Internet business solutions, will host a conference call briefing with senior management on Thursday, November 5, 2009 at 5:00 p.m. EDT, to discuss the company’s financial results for the third quarter 2009.

Participants may access the call by dialing 877-723-9521. International callers should dial 719-325-4899. 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 Thursday, November 5, 2009 at 8 p.m. EDT through Thursday, November 12, 2009 at 888-203-1112 using the replay code 1474904. International callers can access the archived event at 719-457-0820 with the same code.

Press contact:

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

Investor contact:

Andrew McBath
(404) 865-7198
amcbath@internap.com