Aicent, Inc. to Establish Network Point-of-Presence in Equinix's Singapore Internet Business Exchange --IBX-- Center.

Business Editors/High-Tech Writers

SINGAPORE--(BUSINESS WIRE)--May 20, 2004

Mobile Data Network Service Provider Deploys Interconnection Hub

in Equinix's Network Rich Environment

Equinix, Inc. (Nasdaq:EQIX), the leading provider of network-neutral data centers and Internet exchange services, today announced that Aicent, Inc., a leading provider of mobile data network services and solutions for global mobile operators, has deployed a network point-of-presence within Equinix's Singapore Internet Business Exchange(TM) (IBX(R)) center. This strategic deployment into Equinix's neutral Internet hub will allow Aicent, Inc. to enhance their connectivity infrastructure by directly interconnecting with the aggregation of leading network service providers and other businesses operating within the Singapore IBX.

Aicent's innovative mobile data services build a bridge between the IP world and the wireless world, delivering powerful wireless communications services to mobile operators, Internet service providers, and enterprise customers. The company operates one of the world's largest GPRS Roaming Exchange Node (GRX) networks with direct connections to approximately 30 operators, collectively serving more than 250 million mobile users. Aicent also has established extensive peering relationships, providing seamless roaming capabilities to reach nearly all GPRS/3G operators around the world. In addition to data roaming, Aicent also operates one of world's first and largest inter-operator Multimedia Message Service (MMS) exchanges, and provides mobile messaging delivery and other value added services across all types of 2.5G/3G mobile networks.

"Aicent is a neutral GPRS Roaming Exchange Node provider and partnering with Equinix is a natural extension of our infrastructure as Equinix understands the requirements of telecom operators to interconnect within a network-neutral environment," said Mr. Chang Mun-Kein, General Manager of Asia for Aicent. "This agreement will allow us to further leverage the aggregation of our existing and future mobile customers by connecting to their networks within Equinix's Singapore center."

"Aicent has been able to leverage the global GPRS Roaming Exchange Node (GRX) network in the delivery of their mobile data network solutions and has found that it can efficiently and cost effectively interconnect with many of these business partners within Equinix's Singapore IBX," said Phil Koen, president and head of Asia-Pacific. "Equinix remains committed to delivering a inter-connection platform that delivers increasing value in enabling Internet businesses to interconnect with key business partners within a single, centralized and neutral environment."

About Equinix

Equinix is the leading global provider of network-neutral data centers and Internet exchange services for enterprises, content companies, systems integrators and network services providers. Through the company's 14 Internet Business Exchange(TM) (IBX(R)) centers in five countries, customers can directly interconnect with every major global network and ISP for their critical peering, transit and traffic exchange requirements. These interconnection points facilitate the highest performance and growth of the Internet by serving as neutral and open marketplaces for Internet infrastructure services, allowing customers to expand their businesses while reducing costs.

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 operating IBX centers and developing, deploying and delivering Equinix services; competition from existing and new competitors; the ability to generate sufficient cash flow or otherwise obtain funds to repay outstanding indebtedness; the loss or decline in business from our key customers 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.