Equinix to Present at SG Cowen & Co. and Deutsche Bank Investor Conferences in New York

May 10, 2005

Foster City, CA — May 10, 2005 — Equinix, Inc. (Nasdaq: EQIX), the leading provider of network-neutral data centers and Internet exchange services, today announced that company executives will present at the SG Cowen & Co. 33rd Annual Technology Conference on Thursday, June 2nd in New York and at the Deutsche Bank Media Conference on Tuesday, June 7th in New York. Margie Backaus, chief business officer of Equinix, and Keith Taylor, vice president, finance and chief accounting officer of Equinix, will present at the SG Cowen & Co. conference, and Peter Van Camp, chief executive officer of Equinix, will present at the Deutsche Bank conference.

The SG Cowen & Co. conference will be held June 1st and 2nd at the Westin New York at Times Square. Ms. Backaus and Mr. Taylor are scheduled to present on Thursday, June 2nd at 11:30 A.M. (ET). Additionally, Equinix is scheduled to participate on the "Hosting and Co- Location - Inflection Creates Cash Flow Explosion" panel from 9:00 - 9:55 A.M. on the same day.

The Deutsche Bank conference will be held June 7th - 9th at the Pierre Hotel in New York. Mr. Van Camp is scheduled to present on June 7th at 3:00 - 3:30 P.M. (ET).

A live audio webcast of these presentations will be made available on the Investor Relations section of the Equinix website at http://invest.equinix.com.

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.

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