Addition of proven sales leader is part of Internap’s ongoing strategy to expand presence and coverage in key markets for new business and customer growth

ATLANTA – August 31, 2010 Internap Network Services Corporation (NASDAQ: INAP), a leading provider of end-to-end Internet business products and services, today announced the expansion of its sales team with the addition of Rich Gavaghen as sales director for the mid-Atlantic region. He brings more than two decades of technology sales and sales leadership experience to Internap from industry-leading organizations such as Airband Communications, Cbeyond and XO Communications.

In his position, Gavaghen is responsible for developing new business and selling Internap’s IP services, Managed Hosting, Colocation and Content Delivery Network (CDN) solutions to a wide range of organizations, as well as further developing the company’s sales team.

“We feel that Rich will be a strong leader for this market,” said Randal Thompson, senior vice president of sales at Internap. “His extensive telecommunications market intelligence will allow him to drive new business and help our customers optimize their network connectivity as they move toward cloud computing.”

Prior to joining Internap, Gavaghen served for 18 months as vice president of sales at Airband Communications, the nation’s largest provider of fixed wireless voice and data services. Previously, he worked for eight years as regional vice president of sales at Cbeyond Communications, served as a sales manager at XO Communications, and as a sales manager at Omni Technology Centers.

About Internap

Internap is a leading Internet products and services company that provides The Ultimate Online Experience® by managing, delivering and distributing applications and content with a 100% uptime reliability service level agreement. With a worldwide platform of data centers, managed Internet services and CDN, Internap frees its customers to innovate, improve service levels and lower the cost of IT operations. Thousands of companies across the globe trust Internap to help them achieve their Internet business goals. For more information, visit http://www.internap.com/.

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Forward-Looking Statements

This press release contains forward-looking statements. These forward-looking statements include statements related to the features, functionality and performance of our products and services and the benefits our customers are expected to receive from them. Because such statements are not guarantees of future performance and involve risks and uncertainties, there are important factors that could cause our actual results to differ materially from those in the forward-looking statements. These factors include our ability to respond successfully to technological change; the availability of services from Internet network service providers or network service providers providing network access loops and local loops on favorable terms, or at all; failure of third party suppliers to deliver their products and services on favorable terms, or at all; failures in our network operations centers, data centers, network access points or computer systems; our ability to provide or improve Internet infrastructure services to our customers; and our ability to protect our intellectual property, as well as other factors discussed in our filings with the Securities and Exchange Commission. Given these risks and uncertainties, investors should not place undue reliance on forward-