FOR IMMEDIATE RELEASE

Mangosoft Awarded Two U.S. Patents

Leading Provider of Internet Software and Services Recognized for Distributed Computing Innovations

Westborough, MA - December 12, 2000: Mangosoft, Inc. (Nasdaq BB: MGOF), developers of Internet business software and services, today announced that the U.S. Patent and Trademark Office has issued the company patent number 5,987,506 for Remote Access and Geographically Distributed Computers in a Globally Addressable Storage Environment and patent number 6,148,377 for Shared Memory Computer Networks.

Mangosoft's underlying peer-to-peer (P2P) clustering and secure file system technologies provide the basis for the company's innovative Internet applications: Mangomind, The Business Internet File Service, and (R) Pro, Web caching software. The two most recently awarded patents represent the latest successful benchmark in the evolution of core technologies at Mangosoft. With three previously awarded patents for distributed file system and pooled Web caching technologies, Mangosoft continues to pioneer the initiative to bring shared resource technologies, such as P2P clustering, to the forefront of business computing.

"Mangosoft is committed to advancing the state-of-the-art in distributed systems technologies, while continuing to deliver powerful, unique business solutions to the Internet community," said Scott Davis, co-inventor of the technology and vice president and chief technology officer of Mangosoft, Inc. "Our mission is to create an environment for companies where they can communicate with one another through the Internet in a way that is as seamless as if they were sitting across from one another." Davis is the holder of 10 U.S. patents on clustering technologies.

The rights of the patent are effective as of the patent award dates: November 16, 1999 for patent number and 5,987,506 and November 14, 2000 for patent number 6,148,377.

About Mangosoft, Inc.

Mangosoft, Inc. (OTC: BB: MGOF) creates software and services that make the Internet a better place for business. Through its Mangomind® Internet File Server for Business, Mangosoft allows its customers to connect easily and securely with remote colleagues, clients, and partners around the world, enabling them to make smarter and faster business decisions. Encryption technology is provided by RSA Security (NASDAQ: RSAS). FileTRUST^SM, acquired from FleetFinancial, provides secure, online file storage services. Mangosoft's Cachelink® Web caching software maximizes a company's existing resources, making the Internet work faster and more efficiently. Mangosoft sells its products directly to customers as well as through a network of value-added resellers and systems integrators. The Mangosoft Web site is http://www.mangosoft.com.

The matters discussed in this news release include forward-looking statements that may involve a number of risks and uncertainties. Actual results may vary significantly based on a number of factors, including, but not limited to, risks in product and technology development, market acceptance of new products, product demand, the impact of competitive products and pricing, changing economic conditions and other risk factors detailed in Mangosoft's most recent annual report and other filings with the Securities and Exchange Commission. Prices for Mangosoft products and services are subject to change - check the pricing page on Mangosoft's web site for current pricing.

fileTRUST and The Business Internet File Service are servicemarks, Mangomind and Cachelink are registered trademarks, and Mangosoft is a trademark of Mangosoft, Inc.