CacheFlow and Partners Team to Extend Free Seminars on Streaming Media in the Enterprise

Business Wire, April 9, 2001

Business Editors/High-Tech Writers

SUNNYVALE, Calif.--(BUSINESS WIRE)--April 9, 2001

Industry Leaders to Extend "Enabling Streaming Media

for Strategic Online Business Applications" Seminar

to Dallas (April 10) and Denver (April 12)

CacheFlow(R) Inc. (Nasdaq:CFLO), today announced the extension of the free series of half-day seminars to Dallas and Denver following their success in seven cities across North America. The seminar series entitled "Enabling Streaming Media for Strategic Online Business Applications" will delineate the opportunities and debunk the misconceptions around the use of streaming media within the corporate enterprise.

Among the topics to be addressed are:

-- Seamlessly integrating streaming media into strategic business applications

-- Increasing streaming quality and scale bandwidth by moving content closer to
users

-- Managing and controlling access to strategic media assets

-- Implementing infrastructure that will scale dynamically

-- How leading corporations are benefiting from the streaming media revolution

-- How CacheFlow and partners work together to provide a complete enterprise
streaming media solution

Seating for the seminars is limited. Visit www.streamingseminar.com to register and obtain additional information regarding the U.S.-based seminars. The seminars run half-day and are free of charge to registered attendees.

Locations and Dates

All sessions run from 9:00 a.m. to noon.

-- April 10 at the Renaissance Dallas Hotel in Dallas, Texas

-- April 12 at the Denver Marriott Tech Center in Denver, Colo.

About CacheFlow Inc.

CacheFlow is focused on content-smart networking -- a new layer of infrastructure for intelligently accelerating, delivering, and managing static, streaming, and dynamic content. CacheFlow's market-leading appliances and innovative content delivery technologies enable enterprises, service providers and content delivery network providers to deliver the right content to the right place at the right time. Based in Sunnyvale, Calif., CacheFlow can be contacted via telephone at 408/220-2200, fax at 408/220-2250 or email at info@cacheflow.com.

Forward Looking Statements

This press release contains forward-looking statements regarding CacheFlow's expectations, beliefs, intentions or strategies regarding the future. These statements are based on current expectations and are subject to a number of risks and uncertainties that could cause actual results to differ materially. Other important factors that could cause actual results to differ materially include the level of demand for CacheFlow's products and services; the intensity of competition; CacheFlow's ability to effectively manage product transitions and to continue to expand and improve internal infrastructure; risks associated with potential acquisitions; and risks related to the Internet caching appliance industry. For a more detailed discussion of the risks relating to CacheFlow's business, investors should read CacheFlow's Form 10-Q for the quarter ended January 31, 2001, and CacheFlow's Form 10-K for the year ended April 30, 2000, which are on file with the Securities and Exchange Commission. All forward-looking statements included in this press release are based upon information available to CacheFlow as of the date hereof, and CacheFlow will not update these forward-looking statements.