ATLANTA, GA – (April 03, 2008) – Internap Network Services Corporation (NASDAQ: INAP), a global provider of end-to-end Internet business solutions, announced today that Engine Yard, a leading provider of Ruby on Rails application deployment and support, has selected Internap’s Performance IP™ solution to ensure optimal delivery of online applications by improving network performance and traffic control.

Engine Yard’s expertise with Ruby on Rails, an open-source Web framework and programming language (www.rubyonrails.org), enables the company to deploy modern, database-driven Web applications quicker than alternative application development technologies. The company makes it simple to host and manage business-critical Rails applications by providing its customers with the infrastructure, scalability and operational support they require. With Internap’s Performance IP service, Engine Yard is able to take full advantage of the convenience, flexibility and reach of the Internet, while providing customers with Internap’s industry-leading service level agreement (SLA), complete with a 100 percent uptime guarantee.

“We chose to offer Internap Performance IP network service as part of our Ruby on Rails application infrastructure so that we can deliver maximum performance and operational continuity,” said Lance Walley, chief executive officer of Engine Yard. “Internap has earned a terrific reputation for decreased network latency, promising 100% reliability.”




By routing over multiple, high-capacity connections to all major Internet backbones, Internap’s Performance IP provides highly reliable delivery of its customer’s content and applications regardless of their geographic location. Internap’s patented route-control technology monitors the performance of each Internet connection from anywhere around the globe, automatically directing a customer’s Internet traffic across the best possible path. This provides faster and more reliable data delivery than traditional routing methods.

“Engine Yard has established a positive reputation as a leading provider of service-oriented Rails deployment,” said Tim Sullivan, chief technology officer at Internap. “We’re pleased that with Internap, Engine Yard will be able to help further reinforce its position of strength and esteem in today’s competitive marketplace.”

About Engine Yard
Engine Yard is a leading provider of Ruby on Rails application deployment and support. The company combines its cluster-computing platform with 24 / 7 customer service to provide a highly reliable, scalable infrastructure for deploying and managing mission-critical Web applications. Benchmark Capital is an investor in the privately-held, San Francisco-based company which was founded in 2006 and profitable in 2007. For more information, visit www.engineyard.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.