Newsroom Press Release

15. August 2005

Former Genentech CFO to Join Equinix Board of Directors

Foster City, CA — August 15, 2005 — Equinix, Inc. (Nasdaq: EQIX), the leading provider of network-neutral data centers and Internet exchange services, today announced that Louis J. Lavigne, Jr. has joined its board of directors, filling the seat vacated by Dennis Raney in June of this year. Mr. Lavigne will serve as head of Equinix Board of Directors Audit Committee.

Before retiring in March of 2005, Mr. Lavigne served as executive vice president and chief financial officer of Genentech, a leading biotechnology company that discovers, develops, manufactures and commercializes biotherapeutics for significant unmet medical needs. During his 23 years at Genentech, he also served as controller, vice president, senior vice president, and as a member of Genentech's Executive Committee. Prior to joining Genentech, Mr. Lavigne held various financial management positions at Pennwalt Corporation, a chemical and pharmaceutical company.

Mr. Lavigne currently serves on the board of directors of Allergan Inc., Arena Pharmaceuticals, BMC Software, Kyphon Inc. and LifeMasters® Supported SelfCare, Inc. He holds a bachelor's degree in business administration from Babson College, and a master's degree in business administration from Temple University.

"I'm excited to see Lou join the Equinix board as his credentials bring obvious strength to our audit committee as he assumes the chairman position," said Peter Van Camp, CEO of Equinix. "In addition, his vision and leadership guided Genentech through tremendous growth over the years and his experience will serve Equinix well as we build a company with the potential to generate annual revenues in excess of $500 million."

Forward Looking Statements

This press release contains forward-looking statements that involve risks and uncertainties. Actual results may differ materially from expectations discussed in such forward-looking statements. Factors that might cause such differences include, but are not limited to, the challenges of acquiring, operating and constructing IBX centers and developing, deploying and delivering Equinix services; unanticipated costs or difficulties relating to the integration of IXEurope into Equinix; a failure to receive significant revenue from customers in recently built out data centers; failure to complete any financing arrangements contemplated from time to time; competition from existing and new competitors; the ability to generate sufficient cash flow or otherwise obtain funds to repay new or outstanding indebtedness; the loss or decline in business from our key customers; the results of any litigation relating to past stock option grants and practices; and other risks described from time to time in Equinix's filings with the Securities and Exchange Commission. In particular, see Equinix's recent quarterly and annual reports filed with the Securities and Exchange Commission, copies of which are available upon request from Equinix. Equinix does not assume any obligation to update the forward-looking information contained in this press release.

Equinix and IBX are registered trademarks of Equinix, Inc. Internet Business Exchange is a trademark of Equinix, Inc.