FOR IMMEDIATE RELEASE:

Resonate Central Dispatch 4.0 Receives Prestigious SunTone Certification

SUNNYVALE, Calif., March 18, 2002 — Resonate Inc. (NASDAQ: RSNT), the provider of award winning service level management solutions for business-critical applications, today announced that its Resonate Central Dispatch? 4.0 software has achieved certification under the SunTone[SM] Program for applications. Resonate Central Dispatch is one of the first traffic management solutions to receive SunTone certification. To support this program, Resonate? is providing Sun customers a fully functional, 3-node version of Resonate Central Dispatch 4.0 as a free Web download*.

Resonate Central Dispatch software is a unique, intelligent LAN-based software traffic management product that allows multiple Sun servers to act as a single, scalable, reliable, and easily managed server system. Resonate Central Dispatch provides high availability and optimal performance for online services, ensuring a positive end-user experience. Resonate Central Dispatch software scales linearly and requires no feature trade-offs. It is the first and only traffic management product that provisions resources on-the-fly and maximizes resource utilization for quicker return on investment (ROI). Combined with Sun servers, end-users receive maximum application performance and scalability.

The SunTone Program is a collaborative industry effort to define and audit best practices for the delivery of Web-based services. Certification under the SunTone Program is granted to companies whose solutions have demonstrated best practices in the areas of infrastructure, operations, hardware, software, storage, security and overall service delivery.

"Resonate Central Dispatch 4.0 has been identified by the SunTone Program as a technology solution that meets stringent industry best practices and delivers high standards of service, application, platform and integration service quality, " said Stans Kleijnen, vice president of market development and SunTone certification for applications at Sun Microsystems. "Resonate has not only proven that Central Dispatch 4.0 meets quality standards today, but they are in touch with the latest industry best practices moving forward."

"Resonate is expanding its long-standing membership in the SunTone community with the certification of Resonate Central Dispatch 4.0, " said Karen Styres, vice president of Marketing and Business Development at Resonate. "As a member of the SunTone community since 2000, we heavily invest in the scalability, security and stability of our products to better serve our customers."

About the SUNTONE[SM] Certification and Branding Program
Launched in May 1999, The SunTone Certification and Branding Program is a collaborative effort with industry-wide support, led by Sun Microsystems, Inc., to promote 7-by-24 service and reliability as a norm for consumer and business Internet-based services. Under the SunTone Certification and Branding program, service providers, independent software vendors and integrators have endured a rigorous process which examines the infrastructure, operational practices, hardware, software, and overall service delivery to help ensure that the services or products they provide meet the program's high standards. Certification under the SunTone program is designed to give the customers the confidence that every aspect of the operation and infrastructure has been evaluated and judged to be reliable and of high quality. The SunTone Certification and Branding program currently has more than 1500 applicants for certification, including service providers, independent software vendors, and integrators, and over 200 SunTone Certified solutions available to meet a variety of business needs.

About Resonate
Founded in 1995, Resonate is the leading provider of application performance management solutions for business-critical application environments. Hundreds of customers worldwide including AT&T, AIG, Bank of America, Charles Schwab, Chase Manhattan Corporation, Citibank, DoubleClick, Eastman Chemical, E*TRADE, FedEx, France Telecom, Nippon Steel and UBS PaineWebber among others, rely on Resonate solutions. Resonate has strategic partnerships with industry leaders including BEA Systems, IBM, and Sun Microsystems.

Resonate is headquartered in Sunnyvale, California.

For more information on Resonate, visit http://www.resonate.com.

* Subject to applicable licensing restrictions.

Note to Editors: Resonate and the Resonate logo are registered trademarks and Resonate Central Dispatch, Resonate Commander Solutions and Keeping E-Business Open for Business are trademarks of Resonate Inc. All other trademarks and servicemarks are the property of their respective owners.

Sun, Sun Microsystems, the Sun Logo, SunTone and the SunTone Certified logo are trademarks or registered trademarks of Sun Microsystems, Inc. in the United States and other countries.