FOR IMMEDIATE RELEASE

Mangosoft Announces Additions to their Executive Line up

Westborough, MA - September 16, 1999: MangoSoft Corporation (NASD:MGOF), producer of acclaimed software-based servers based on patented pooling technology, announced two additions to their executive team. James M. Stark has been named Vice President of Sales and Marketing and Robert E. Parsons has been named Vice President and Chief Financial Officer. Mr. Stark is a recognized industry executive with a track record of successfully building and managing hi-tech sales channels. Mr. Parsons is an experienced CFO and COO, and brings significant fiscal management skills to the company.

"Jim and Bob bring a wealth of experience and complementary talent to our executive staff and we're glad that we've been able to attract such high caliber talent," says Dale Vincent, CEO of MangoSoft.

Mr. Stark brings an extensive background of sales success in the computer industry to the management team. Mr. Stark was most recently the Eastern Area Sales Manager for Aquilium Software in Toronto Ontario. Prior to this Mr. Stark spent many years at Novell Inc., where he held several positions including the Manager of OEM Business Development, Director for Eastern Area Sales, as well as Manager of Eastern Area Channel Sales. Mr. Stark holds a BBA in Management from Western Michigan University.

Jim says of his new role, "Medley and CacheLink are innovative products that I am looking forward to making pervasive in the marketplace. They are the kinds of products that have direct, positive impact on our customer's business and represent valuable offerings for our channel partners."

Mr. Parsons is an experienced veteran of the computer industry. He has held a variety of managerial and financial positions in his career, including new business development at Digital Equipment Corporation as well as Vice President of Finance and Operations at Monadnock Partners, Inc. Mr. Parsons was most recently Chief Financial Officer at Advanced Modular Solutions. Mr. Parsons received his bachelors degree in accounting from Bentley College.

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.