Leostream Corporation Earns Certified Partner Status in Microsoft Partner Program; Supports MS Virtual Server Waltham, Mass. — September 13, 2004 — Leostream Corporation, the leading provider of management software for virtual machine software, today announced it has earned certified status in Microsoft Corp.'s Partner Program recognizing Leostream's expertise and total impact in the technology marketplace. As a Certified Partner, Leostream has demonstrated expertise with Microsoft technologies and proven ability to meet customer needs. Microsoft Certified Partners receive a rich set of benefits including access, training, and support that give them a competitive advantage in the marketplace. Leostream is a leading developer of virtual machine management and physical to virtual (P2V) conversion software. The Leostream Virtual Machine Controller is a software application that provides centralized management and control of "virtual machine" software available from Microsoft® Virtual Server 2005 and VMware, Inc. of Palo Alto, Calif., an EMC company (NYSE: EMC). Virtual Machine software carves up large multi-processor servers and divides it into individual and multiple computing units, or "virtual" servers, hence allowing multiple copies of Windows® operating systems to be run simultaneously, and independently, on the same Intel-powered server. "Only companies that have demonstrated high levels of customer service, proved their experience and attained advanced certification receive the designation of Microsoft Certified Partner," said Allison Watson, vice president of the Worldwide Partner Sales and Marketing Group at Microsoft. "Today, Microsoft recognizes Leostream for its skills and expertise in providing customer satisfaction with Microsoft products and technology." "We are extremely pleased to have our management agent for Microsoft® Virtual Server 2005 and VMware™ accorded certified status in the Microsoft Partner Program. This allows us to clearly promote our expertise and relationship with Microsoft to our customers," said David Crosbie, Leostream's CEO."The benefits provided through our certified membership will allow us to enhance our support for server virtualization on the Windows platform." The Microsoft Partner Program was launched in December 2003 and represents Microsoft's ongoing commitment to the success of partners worldwide. The Microsoft Partner Program offers a single, integrated partnering framework that recognizes partner expertise, rewards the total impact that partners have in the technology marketplace, and delivers more value to help partners' businesses be successful. About Leostream Corporation Leostream is the leading provider of management software for virtual machine software from Microsoft and VMware. Leostream centralizes the management of virtual servers running on different physical servers and provides cataloging, classification, movement, monitoring, fail-over, and control of virtual machines, plus SAN and Microsoft's Active Directory integration, and additional security functionality such as fine grained access control. Visit www.Leostream.com. Leostream Corp., 950 Winter Street Suite 2400, Waltham, MA 02451. # # # All trademarks, trade names and company names referenced herein are used for identification only and are the property of their respective companies.