Business Editors & High-Tech Writers

NEW YORK--(BUSINESS WIRE)--Feb. 21, 2001

Move to MFN's AboveNet Data Center Will Provide Leading Celebrity

Web Community with Superior Internet Experience

Safesearching.com, the largest celebrity Web community, will move its Internet servers to the Los Angeles Data Center of AboveNet Communications Inc., a subsidiary of Metromedia Fiber Network (MFN) (Nasdaq: MFNX), the leader in deployment of optical IP Internet infrastructure within key metropolitan areas domestically and internationally.

Under the two-year agreement, Safesearching will use AboveNet's state-of-the-art Internet Service Exchange (ISX) as its primary co-location site to provide faster, more reliable and secure service to its more than one million visitors per month.

Founded in 1998 by actress Alyssa Milano and her mother Lin, Safesearching hosts many official celebrity websites for popular actors and musicians such as Catherine Zeta-Jones, Robert Patrick and Jennifer Love Hewitt. In conjunction with Buzzine.com, a music and entertainment site developed by Stephanie Rose and Safesearching CTO Aaron Stipkovich, this destination community offers entertainment fans exclusive and personal content about celebrity careers, with advanced applications such as streaming videos, `webisodes,' chat rooms and e-commerce services.

"Safesearching.com empowers celebrities to take back control of their images and careers from the barrage of celebrity media, and offer special online services to entertainment fans," said Lin Milano, Safesearching.com CEO and mother of TV star Alyssa Milano. "Safesearching.com is thrilled to provide the celebrity community with the most advanced Internet network available through MFN. We can now ensure the secure connectivity and bandwidth that entertainment websites require."

AboveNet's advanced One -hop IP network infrastructure, deployment capabilities, and numerous peering relationships ensure that Safesearching's content is delivered without latency or packet loss and that the its customers experiences no downtime. MFN's all-optical IP Internet infrastructure combines with the AboveNet technology to deliver a network that can transport massive amounts of data at terabit speeds, easily accommodating unexpected spikes in traffic and seamlessly increasing bandwidth.

"The entertainment industry needs secure hosting and reliable data transmission for media-rich content and video-streaming applications," said Nick Tanzi president and chief operating officer for Metromedia Fiber Network. "We are helping organizations like Safesearching.com deliver the advanced capabilities of the next generation of the Internet to their users today,"

About Safesearching.com

Launched two years ago, Safesearching now easily exceeds over one million unique visitors a month. Safesearching is designed to be a community that offers its celebrities all the artistic possibilities presented by the Internet. Fans can find chatrooms for each celebrity, and can post messages, have live chats with celebrities, view videos of celebrity projects and vacations, and purchase products through e-commerce - some of which are created by the celebrities themselves. Safesearching creates the most comprehensive and interactive celebrity community on the Internet. For more information, go to www.safesearching.com.

About Metromedia Fiber Network, Inc.

Metromedia Fiber Network, Inc., the leader in deployment of optical IP Internet infrastructure within key metropolitan areas domestically and internationally, is revolutionizing the fiber-optic industry. By offering virtually unlimited, unmetered metro-area communications capacity at a fixed cost, Metromedia Fiber Network is eliminating the bandwidth barrier and redefining the way broadband capacity is sold.

MFN's optical network enables its customers to implement the latest data, video, Internet and multimedia applications. Through its subsidiaries AboveNet Communications, Inc., the architect of the Internet Service Exchange (ISX), PAIX.net, Inc., the first and leading neutral Internet exchange, and SiteSmith, a leader in delivering comprehensive Internet infrastructure managed services, MFN is a leading provider of Internet connectivity, co-location and managed services solutions for high-bandwidth and business-critical applications. The Company offers a world-class network that provides co-location services and Internet connectivity for content providers, ISPs and application service providers. Its global optical Internet uses open peering and "best exit" technology to deliver fast, scaleable and reliable connections to the Internet, and improves the Internet experience for end-users.

For more information on AboveNet and its service offering visit the company's Web site at www.above.net. For more information about PAIX.net, Inc., visit the company's web site at www.paix.net. For more information about SiteSmith, visit the company's web site at www.sitesmith.com. For more information about Metromedia Fiber Network, please visit the company's Web site at www.mmfn.com.

This news release contains forward-looking statements that involve risks and uncertainties. Factors that could cause or contribute to such risks and uncertainties include, but are not limited to, general economic and business conditions, competition, changes in technology and methods of marketing, and various other factors beyond the Company's control. This also includes such factors as are described from time to time in the SEC reports filed by Metromedia Fiber Network including the most recently filed Forms S-3, 10-K and 10-Q.