FOR IMMEDIATE RELEASE

Corum Client Mainstar Software Acquired by Rocket Software
Purchase of Seattle-Area Firm Augments Rocket's Mainframe and Large Systems Capabilities.

Bellevue, Washington - Aug. 16, 2006 - Corum Group is pleased to announce the acquisition of its client, Mainstar Software Corporation, by Rocket Software. Corum originated the transaction and provided exclusive M&A advisory services to Mainstar Software. Ward Carter, President of Corum Group, stated, “This is a highly strategic deal for two companies with substantial leadership in their respective markets. The combined forces will greatly increase the reach of both companies in the z/OS systems space. We were exceptionally pleased to be a party to this combination of two truly outstanding organizations.” The transaction closed on July 31, 2006.

About Rocket Software

Founded in 1990, Rocket Software is a global development firm that builds Enterprise Infrastructure products for the world's leading OEMs, networks and software companies. The company's current lines of business complement and extend strategic OEM offerings in the areas of enterprise and mobile security, relational databases, mobile and wireless computing, and operational support systems (OSS). Rocket's current OEM relationships and technology partners include IBM, RSA Security, Microsoft, NEC, and Toshiba. Rocket Software is based in Newton, Mass., and employs more than 200 people worldwide. For more information, visit www.rocketsoftware.com.

About Mainstar

Mainstar Software Corporation, founded in 1978, provides complete storage management and disaster recovery solutions for MVS environments throughout the U.S.A., Canada, Europe, Australia, and the Asia-Pacific region. For more information, please visit www.mainstar.com.

About Corum Group Ltd.

Corum Group Ltd. is the premier provider of M&A services to software and information technology companies worldwide. With ten offices globally, Corum has completed over $6 billion in transactions in 15 countries in its 20-year history, and publishes the industry’s most widely distributed M&A research. Corum is staffed with highly experienced former CEOs, who are supported by the industry’s leading researchers, writers and valuators. The company has spent more than $20 million to build the world’s largest IT database to help ensure unparalleled success in client engagements. http://www.corumgroup.com