ATLANTA, GA – (August 26, 2008) – Internap Network Services Corporation (NASDAQ: INAP), a global provider of end-to-end Internet business solutions, announced today its Content Delivery Network (CDN) and Managed Server solutions are helping to scale the rising demand of social Web collaboration and interactivity by powering Slingpage, Inc., a free social browsing platform. Currently in open beta for the Microsoft® Internet Explorer® and Mozilla® Firefox® Web browsers, Slingpage relies on Internap to deliver robust, scalable and reliable network and hosting services.

Launched in June 2008, Slingpage is a free social browsing application that helps people discover and share the Web instantly. With one click from the browser, Slingers can share Web pages with a single friend or thousands of followers – direct to the desktop. Slingers can also follow like-minded individuals and browse popular Web pages shared by others. Slingpage represents a portable social graph where users interact with friends and followers as they browse and enjoy real-time access to a personalized social discovery feed.

“With the help of Internap’s CDN and Managed Server solutions, we are transforming Web surfing from an individual activity to an interactive community experience,” said Ryan Stephens, CTO and co-founder for Slingpage. “As Slingpage continues to grow, Internap’s solutions will allow us to efficiently scale while ensuring a reliable user experience.”

Integrated with media servers, enhanced storage, virtualization technology, network acceleration and route optimization, Internap’s CDN solutions deliver, manage and monetize media content for Slingpage. Patented MIRO (Managed Internet Routing Optimizer™) technology embedded in the CDN provides automated Internet performance monitoring and intelligent routing, ensuring the best Internet performance for slinging. Internap’s Managed Server using Dell® PowerEdge™ servers running Microsoft® Windows Server® or Red Hat® Linux®, are fully integrated with the CDN as well, supplying Slingpage with enterprise quality performance and reliability.

“Slingpage is opening a new paradigm for the Internet by enhancing the individual user experience with real-time community interaction,” said Tim Sullivan, chief technology officer at Internap. “As Slingpage’s innovative social browsing application is embraced by Internet users, Internap’s CDN and Managed Server will deliver the performance, reliability and scalability to support their growing business.”

About Slingpage
Slingpage is a free social browsing platform that empowers people to simply and instantly discover and share the Web. Slingpage evolves link sharing and bookmarking into real-time social sharing via the company's patent pending technology. Slingpage was founded in 2007. The company is based in Estero, FL with an office in Boston, MA. Slingpage is TRUSTe certified.

To start slinging, visit http://www.slingpage.com.

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 3,000 companies across the globe trust Internap to help them achieve their Internet business goals. For more information, visit www.internap.com.

Internap “Safe Harbor” Statement
Certain information included in this press release constitutes forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. All statements, other than statements of historical facts, including, among others, statements regarding the performance of our products, business strategy, projected levels of growth, and projected costs, are forward-looking statements. Those statements include statements regarding the intent, belief or current expectations of Internap and members of our management team, as well as the assumptions on which such statements are based. Forward-looking statements are not guarantees of future performance and involve risks and uncertainties that actual results may differ materially from those contemplated by forward-looking statements. Other important factors that may affect Internap's business, products, results of operations and financial condition include, but are not limited to: our ability to sustain profitability; 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, network access points or computer systems; the ability to successfully integrate the operations of Internap and VitalStream Holdings, Inc.; and our ability to protect our intellectual property.

Our Annual Report on Form 10-K/A, subsequent Quarterly Reports on Form 10-Q, recent Current Reports on Form 8-K and other Securities and Exchange Commission filings discuss the foregoing risks, as well as other important risk factors that could contribute to such differences or otherwise affect our business, results of operations and financial condition. We undertake no obligation to revise or update any forward-looking statement for any reason.

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