UltraDNS Supports NutriSystem's Transformation of the Weight Loss Industry; Provider of Weight Management Programs Looks to UltraDNS Managed DNS Service for Critical Infrastructure

Business Wire, April 5, 2006

RESTON, Va. -- UltraDNS(R) Corporation, the world's leading provider of managed DNS services, today announced that NutriSystem, Inc. (NASDAQ:NTRI), a leading provider of weight management programs, has selected its Managed DNS Service to enhance the experience of its online customers accessing its comprehensive diet and exercise products and services. By leveraging the UltraDNS Directory Services Platform, NutriSystem realizes superior manageability of its online presence and can easily accommodate the seasonal traffic surges associated with the weight loss industry, ensuring its customers get assistance when and where they need it.

NutriSystem has provided weight management counseling for more than 30 years, and its Internet-based products and counseling services give customers convenient access to the latest weight control and health information. The company has built in-depth web content that offers customized, private weight management counseling and meals for both men and women, including diabetic and vegetarian programs to help people maintain a healthy lifestyle.

"We have revolutionized the weight loss industry by replacing the traditional meetings and visits to brick and mortar centers with unrivaled service and counseling with a dedicated web site and an online support team. NutriSystem counselors are ready to answer any food or diet questions, as well as offer advice and encouragement to help customers achieve their weight loss goals," said George Jankovic, president of NutriSystem, Inc. "The UltraDNS Managed DNS Service provides the reliability and performance critical to our network infrastructure, so we can keep our 24/7 commitment to support each individual through personalized online information."

By implementing the Managed DNS Service, NutriSystem's online presence is supported by UltraDNS' global Directory Services Platform, with network nodes spanning four continents, capable of handling and efficiently routing enormous traffic levels. The platform currently supports approximately 20% of global Internet traffic, responding to over two billion DNS queries per day.

"UltraDNS solutions provide the superior network manageability and performance that enable our customers to leverage their on-line presence to support an increasing amount of their business, and we are excited to play a critical part in NutriSystem's expansion," said Ben Petro, president and CEO, UltraDNS. "The UltraDNS Directory Services Platform allows NutriSystem to cost-effectively scale its infrastructure and provides the network control and management it requires to drive fundamental change in the weight loss industry."

About NutriSystem, Inc.

Founded in 1972, NutriSystem is a leading provider of weight management products and services. The Company offers an at-home weight loss program based on portion-controlled, lower Glycemic Index prepared meals, weight loss plans, and private telephone and online support. For 30 years, NutriSystem has helped millions of people achieve their weight loss goals.

About UltraDNS

UltraDNS Corporation is the world's leading Managed DNS Service Provider, delivering superior security, reliability and performance to organizations that rely on DNS for their critical business processes, applications and services. With the growth in e-commerce and the emergence of advanced DNS-based communication and supply chain management services, organizations can no longer rely on traditional approaches to DNS. On October 20th, 2005 UltraDNS launched the DNS Shield(TM) in partnership with major Internet Service Providers (ISPs) including AOL, Earthlink, Time Warner and Yahoo to provide the highest level of reliability and security to over 100 million Internet users.

UltraDNS provides a range of global and local DNS solutions -- both managed services and custom infrastructure -- built on its unique Directory Services Platform and proprietary, patented technologies. Through its thousands of enterprise, service provider and TLD infrastructure customers, UltraDNS powers the resolution of over 15 million domains around the globe. UltraDNS has offices in California, Virginia, Arizona, Chicago and the UK. For more information please visit www.ultradns.com.