Newest Member of Siderean’s Executive Team Brings More than 16 Years Experience in Sales, Business Development and Strategic Alliance Management to Drive Continued Growth

El Segundo, Calif., – Sept. 25, 2007

Siderean Software, the leading provider of relational navigation solutions, today announced the appointment of Reza M. Kazemipour as chief revenue officer. Kazemipour has held executive management positions at Fast Search & Transfer, Cerebra and IBM and has more than 16 years experience in corporate strategy and business development, strategic alliance relationship management, and sales. He has a proven track record for leadership and for negotiating partnerships and mergers and acquisitions that position enterprise software companies for long-term growth.

“We are very pleased to add Reza to our management team. His experience at Fast Search & Transfer, Cerebra and a host of other enterprise software companies compliments the expertise of our great team and we look forward to leveraging his skills to expand our business and increase revenues within our existing client bases, while we build new revenue streams,” said Michael Schmitt, chief executive officer of Siderean Software. He is a veteran in this business and joins us at the right time to help us execute on this next phase of our growth strategy.”

“I am excited to join an organization that is on the road to meeting its growth trajectory in the dynamic enterprise search and navigation market,” said Reza Kazemipour. “My experience growing a sales organization, and implementing a consultative approach to growing the customer base was key in my success at Fast Search & Transfer and is ideal for Siderean. I look forward to leveraging my contacts and knowledge leading young and established companies to help Siderean achieve its full revenue potential in this space.” Most recently, Kazemipour served as Fast Search & Transfer’s regional vice president of sales, serving the Western region. While at Fast, Kazemipour grew the West coast sales organization and added substantial revenue to the company during his tenure. He developed sales strategies and coached his teams to expand business and penetrate many new, flagship customer accounts.

Prior to Fast Search & Transfer, Kazemipour was vice president of OEM sales and strategic alliances at Cerebra, Inc. He identified, sold, and grew Cerebra’s OEM and alliance relationships based on market growth trends and new business requirements. He was also critical in bringing enterprise solutions to market leveraging system integration partners and he negotiated OEM and reseller contracts covering branding, distribution, pricing, support and marketing arrangements. Before Cerebra, Kazemipour was vice president, strategic channels at Selectica, Inc., where he expanded channel partnership opportunities that led to multi-million deals in his first five months, established growth-oriented business relationships leading to additional quarterly revenues, and negotiated and researched mergers and acquisitions and buy-out offers.

Earlier in his career, he also worked on business development at IBM, responsible for selling software through and to system integrators, worked in strategic alliances at TIBCO Software, and in sales and marketing at Doclinx.com, an enterprise software company focused on data retrieval and search engine technology.

Siderean Software helps enterprise users master discovery with its relational navigation solutions. Customers across high-tech, media and government organizations rely on Siderean’s patented relational navigation technology to help them dynamically identify relationships between sets of information, create the context to drive action, and increase their participation in the information flow so they can make better informed decisions. Customers that are already realizing substantial business benefits from Siderean include Oracle Corporation, NASA Jet Propulsion Laboratory, Snap-On Incorporated, SpendMatters, and the Librarian’s Internet Index.

About Siderean Software
Siderean Software, Inc. enables organizations to navigate their digital universe. Siderean’s information access platform, Seamark Navigator, uses patented relational navigation technology to allow customers to keep pace with their exploding information access requirements. The next step in the evolution of information access, Siderean’s solutions break through traditional search technology limitations to deliver high-value, high-impact information to users in a personalized and intuitive way. Seamark provides users with a new way to aggregate and navigate through all their information to illuminate previously unseen relationships and create actionable context for information from across the enterprise and on the Web. Siderean enables Media, High Tech and Government organizations to effectively provision their information for unified discovery, access and participation. Founded in 2001, Siderean is backed by leading investment firms Clearstone Venture Partners, InnoCal Venture Capital and Red Rock Ventures. For more information about Siderean, please visit www.siderean.com.