ATLANTA — Netsurfer, Inc., a leading developer of subscriber connectivity and management software that makes Internet access easier, today announced a partnership with Cablevision Systems Corporation (NYSE: CVC), one of the nation's leading entertainment and telecommunications companies, to provide a new software package that makes access to the Internet faster and easier than ever before.

The software tool, branded Net GuideÔ, is based on Netsurfer's NetKitâ Broadband product suite, and is available to Cablevision's Optimum Online high-speed Internet service customers without charge.

"We are delighted to add our technology to the overall Optimum Online solution," said Jeff Russell, founder and Chairman of Netsurfer. "Netsurfer makes the customer experience virtually seamless by providing a flexible solution to address customer needs through all phases of product use; from installation support to the introduction of new features and services."

Netsurfer NetKit^® Broadband Product Benefits

• Reduces or completely eliminates the need for a technician at the subscriber's home
  
  
• Automates provisioning and subscriber activation and eliminates errors
  
  
• Creates new marketing opportunities
  
  
• Significantly improves helpdesk productivity through self- diagnostic tools
  
  
• Reduces subscriber maintenance cost through automatic downloads and updates

"Optimum Online continues to deliver a new standard for home Internet access to New York metropolitan area residents by offering one of the fastest, best performing and most affordable high-speed Internet services for the home," said Gemma Toner, senior vice president, Optimum Online. "The Netsurfer software package further enhances Optimum Online's value for our customers, especially as broadband has become part of their everyday lives. Now, more than ever, our subscribers are empowered through stress-free installation, easy account set-up and a customizable online experience."

About Netsurfer, Inc.

Netsurfer develops subscriber connectivity and management software that makes Internet access easier for subscribers and more profitable for service providers. Broadband and dial-up Internet access providers use Netsurfer's sixth-generation technologies to maximize subscriber profitability through rapid provisioning, online diagnostics and support, and easy delivery of new services. This enables service providers to slash sign-up costs, cut churn, accelerate revenue, and enhance subscriber life cycle management. A few examples: Our customers are reporting or projecting up to 75% reduction in installation time, 55% reduction in churn rate, and 68% reduction in operational problem calls. Representative customers include Cablevision, Knology, Americatel, NTT Data and McLeodUSA. For more information, visit www.netsurfer.com.

About Optimum Online

Optimum Online (www.optimumonline.com) is the high-speed Internet access solution offered by Cablevision Systems Corporation, one of the nation's leading telecommunications and entertainment companies. Based in Bethpage, New York and launched in 1997, Optimum Online is the industry's first self-install cable modem service and the fastest growing cable modem service in the New York metropolitan area. In August 2002, Optimum Online was honored in PC Magazine's 15th Annual Reader Survey, earning a Readers' Choice Award, and the only broadband ISP to receive an A+ rating by PC Magazine readers. With more than 680,000 customers and an average of 5,300 new subscribers signing on every week, Optimum Online has the highest market penetration of any cable modem service in the country. Optimum Online provides one of the fastest, always-on Internet connections for the home - offering access speeds up to 100 times faster than dial-up and up to four times faster than DSL. Optimum Online is available in many parts of Long Island, Connecticut, New York City, the Hudson Valley and New Jersey. Optimum Online subscribers also benefit from OptOnline.net, a broadband portal that provides a gateway to the very best in broadband content and multimedia programming.