FOR IMMEDIATE RELEASE

StorageNetworks Expands Powered Program in Boston With Three New Customers

10/19/2000 Business Wire

Waltham, MA - October 19, 2000: Boston-Area Companies Choose StorageNetworks' Enterprise Data Storage Services To Safeguard Customer Data - StorageNetworks, Inc. (NASDAQ:STOR), the Storage Service Provider (SSP) for the e-Economy, today announced the expansion of the Powered program with three Boston-area companies that have chosen StorageNetworks' services to provide data security and faster access with limited downtime for end users. StorageNetworks is providing its DataPACS and BackPACS services to Win Win Technologies, Mangosoft , Inc. (NASDAQ: BB: MGOF) and Revenio, Inc. at Exodus Communications' Boston Internet Data Center.

Through StorageNetworks DataPACS data-on-demand services, Win Win Technologies, Mangosoft and Revenio will route data over the StorageNetworks Global Data Storage(SM) Network (GDSN) to ensure that their customers receive quick and reliable online services and access to data, 24 hours a day, seven days a week. The three companies are also using StorageNetworks BackPACS services, which offer the security of professional, frequent information replication. Usually stored on magnetic tapes, BackPACS services eliminate the need to conduct costly and time-consuming backup procedures.

The StorageNetworks Powered program provides StorageNetworks' premier customers access to a comprehensive suite of joint marketing services. Benefits of the program are the inclusion of Powered customers in StorageNetworks' advertising, press releases and collateral programs, access to IT media and analysts, Web site logo placement and joint event participation opportunities. The StorageNetworks Powered program recognizes customers that have demonstrated outstanding commitment to the protection, availability, continuity, scalability and security of their data storage infrastructure.

"Win Win Technologies, Mangosoft and Revenio are consumer-oriented businesses that require services that are customizable to their individual needs," said Peter Bell, co-founder, chairman and CEO of StorageNetworks. "StorageNetworks provides these companies with a scalable storage solution required to maintain the level of accuracy and availability necessary to support extensive and frequently used data required by the services they provide."

Boston-based Win Win Technologies allows consumers to provide personal profiles that determine which advertisements will appear each time they log onto their favorite sites. Customers receive royalties with each interaction they initiate with these personalized advertisements. The benefit for advertisers is simple, allowing them to reach their targeted audience.

"Secure and flexible data management is an intregal part to our business structure," said Kieran Clifford, CEO of Win Win Technologies. "Our customers are given total control over their personal data and StorageNetworks' services can assure them that their data will be secure and easily accessible."

Mangosoft, Inc. of Westborough, Mass., develops Internet business products and services. In a separate release, Mangosoft recently launched The Mangomind(SM) Business Internet File Service(TM), the first and only robust, multi-user Internet file sharing service designed for secure business-to-business communications. The Mangomind service combines the inherent benefits of the Internet with the familiarity of Microsoft Windows(R) to deliver a secure method for multiple users to access, share and store files.

"As the leading managed storage services company, StorageNetworks has developed the type of product that is critically important to the delivery of Mangosoft 's secure business Internet products and services," said Dale Vincent , CEO of Mangosoft . "With this week's launch of Mangomind, business Internet users can now access and share files in an easy and flexible manner, and at the same time, know that the files are being stored and protected in a secure environment."

Revenio, Inc., also based in Burlington, Mass., is the developer of Revenio Dialog, a software platform for managing and automating two-way customer interactions over time, across any marketing channel. Revenio Dialog enables companies to build stronger, more profitable relationships with their customers through dialog marketing. The resulting customer experience is designed to build loyalty and lifetime value with highly personalized, relevant and timely communications across the entire customer lifecycle.

"As a fast-growing business, we were looking for a storage and back-up partner that could provide the scalability and flexibility to support our rapid growth," said Chip Correra, vice president of professional services at Revenio. "StorageNetworks' DataPACS and BackPACS are the best-of-breed solutions in the marketplace, making them the obvious choice."

About Win Win Technologies

Personal information is becoming the most valuable asset in the 21st century. Your ability as a consumer to control and capitalize on personal information drives the value to you. Win Win Technologies recognizes your value, and is dedicated to helping you capture it. Win Win has negotiated a cash royalties payment system with top advertisers and Web sites. Based on the preferences and interests you share with the company, Win Win will replace the irrelevant ads on your favorite Web sites with personalized, targeted marketing messages. And, each time you choose to interact with these messages, you receive a cash royalty payment.

Win Win Technologies is headquartered in Boston, Mass. and has offices in the United Kingdom, Scandinavia and South Africa. They are managed by a seasoned team of Internet, financial and technical leaders and they are funded by GE Equity, Aspen Investment Group, the eVestment fund, LNM Internet Ventures (the Mittal family) and other international financiers. For more information visit the company's Web site at www.WinWin.com.

About StorageNetworks, Inc

StorageNetworks, Inc. (NASDAQ: STOR) the Storage Service Provider (SSP) for the e-Economy and an innovator that is making managed data storage services as accessible as phone or electric utility services. StorageNetworks enables enterprises with large and rapidly growing volumes of business critical information to store, protect and access it more easily, reliably and efficiently. StorageNetworks services let customers focus on building their business, not their data center, allowing them to achieve greater flexibility, quicker time to market, high levels of reliability and security, and lower operating costs. Based in Waltham, Mass., StorageNetworks operates in major business and government centers worldwide. For further information, please visit the company's Web site at http://www.StorageNetworks.com, email info@StorageNetworks.com, or call 1-800-463-7105.

This press release may contain forward-looking statements relating to future events or future financial performance that involve risks and uncertainties. These statements are made pursuant to the safe harbor provisions of Section 21E of the Securities Exchange Act of 1934. These statements are only predictions and actual results could differ materially from those anticipated in these statements based upon a number of factors including those risk factors identified in the StorageNetworks Prospectus dated June 29, 2000.

StorageNetworks, DataPACS, StorageNetworks Powered, Global Data Storage, StoragePort, StoragePOP, S-POP, Virtual Storage Portal and VSP are servicemarks or trademarks of StorageNetworks, Inc. All other company, brand and product names contained in this release may be trademarks or registered trademarks of their respective holders.

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.