Blackbird Technologies Selects Terremark to Provide Managed Services and House Critical Infrastructure.

Business Editors/High-Tech Writers

MIAMI & HERNDON, Va.--(BUSINESS WIRE)--Feb. 23, 2004

Terremark Worldwide, Inc. (AMEX:TWW), a leading operator of integrated Tier-1 Network Access Points (NAPs) and best-in-class network services, today announced that Blackbird Technologies, a security consulting company specializing in intelligent responses to threats faced by vital information systems, infrastructure and facilities, has signed a one-year $7.7 million contract for professional and managed services and to house critical infrastructure at Terremark's NAP of the Americas facility in Miami and NAP of the Americas/West facility in Silicon Valley.

Blackbird provides practical, focused solutions that make organizations extraordinarily resistant to threats and delivers state-of-the-art, industry-unique security solutions to commercial and government organizations, domestically and abroad. Blackbird is one of many customers using Terremark's facilities for security services.

"We look forward to a long-term relationship with Terremark," said Steve Pann, Vice President of Blackbird Technologies. "This relationship will help us reduce our cost of delivering information systems security and value-added services to our customers."

"We are excited to add Blackbird Technologies to our customer list," said Manuel D. Medina, Chairman and CEO of Terremark Worldwide. "This multi-faceted company is well-known both in the public and private sectors for its expertise in information systems security, quick response to time-critical requirements and seasoned security technologists. One of our key differentiators in attracting Blackbird is our unique blend of highly secure, carrier-neutral facilities with professional and managed services offerings."

About Terremark Worldwide Inc.

Terremark Worldwide Inc. (AMEX:TWW) is a leading operator of integrated Tier-1 Network Access Points (NAPs) and best-in-class network services, creating technology marketplaces in strategic global locations. Terremark is the owner and operator of the NAP of the Americas, the 5th Tier-1 Network Access Point in the world and the model for the carrier-neutral TerreNAP(sm) Data Centers the company has in Santa Clara, California (NAP of the Americas/West), in Sao Paulo, Brazil (NAP do Brasil) and in Madrid, Spain (NAP de las Americas - Madrid). The carrier-neutral NAP of the Americas is a state-of-the-art facility that provides exchange point, collocation and managed services to carriers, Internet service providers, network service providers, government entities, multi-national enterprises and other end users. The NAP, which connects fiber networks in Latin America, Europe, Asia and Africa to those in the U.S., enables customers to freely choose among the many carriers available at the TerreNAP Centers to do business. Terremark is headquartered at 2601 S. Bayshore Drive, 9th Floor, Miami, Florida USA, [phone]. More information about Terremark Worldwide can be found at http://www.terremark.com.

Statements contained in this press release may constitute "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. Terremark's actual results may differ materially from those set forth in the forward-looking statements due to a number of risks, uncertainties and other factors, as discussed in Terremark's filings with the SEC. These factors include, without limitation, Terremark's ability to obtain funding for its business plans, and uncertainty in the demand for Terremark's services or products and Terremark's ability to manage its growth. Terremark does not assume any obligation to update these forward-looking statements.