California Software (USA) Signs Partnership Deal with India's Sonata Software Ltd.

California Software signs Partnership Deal with Sonata
SAN CLEMENTE, CA and Bangalore, April 26, 2005.

California Software Corporation (OTC: CSWX), a leader in Legacy Extension, Business Intelligence and loan production software for banks, credit unions and consumer lending institutions and developer of the award-winning INFINITE and LPS product lines,
announced today that it has signed a new partnership agreement with Bangalore-based Sonata Software Ltd, an SEI CMM Level 5 services company & Microsoft Gold Certified Partner.

Carol Conway, President, California Software said, "We are working with the teams at Sonata and Microsoft in developing a strategy to bring Service Oriented Architecture at a very low price to IBM iSeries and Mainframe customers in Asia, the Americas and EMEA. We believe that by working with partners such as Sonata and Microsoft, our INFINITE NET product can become much more widely distributed and deployed on a global basis. The architecture of INFINITE NET, based on Microsoft .NET, provides a very cost-effective and fast-to-deploy UI, web enablement, integration and SOA capabilities to IBM iSeries and Mainframe applications."

"Having looked at many possible partners for this project, we felt that Sonata's commitment to quality and their solid technical capability helped them stand out from the crowd. They have a very sophisticated understanding of the iSeries and Mainframe environment, and their services capability & global delivery model will assist American, European & APAC clients implement INFINITE NET, iSeries & OLAP products", continued Conway.

B. Ramaswamy, President and Managing Director of Sonata Software added "We are excited about this alliance with California Software, and the possibility to offer iSeries/AS400 customers with solutions for enhancement, integration & migration to Windows, based on INFINITE tools. California Software's tools along with Sonata's understanding of the iSeries platform, our extensive experience in helping clients adopt Microsoft technologies like Windows & .Net and a proven global delivery model, provides these customers with a low-risk modernization approach & compelling ROI."

Both California Software and Sonata are members of Microsoft's Midrange Alliance Program (MAP), a consortium of leading technology & services providers offering enhancement, integration & transformation services, for iSeries users.

About California Software Corporation
California Software is a global provider of software and services for the legacy extension and financial services markets. The company is headquartered in Orange County, CA and operates globally from offices in Asia, North America, South America and Europe. The Company's products are marketed under the brand names BABY, Unibol, INFINITE and LPS. California Software enjoys over 100,000 installations in 56 countries.

About Sonata Software, Ltd. (NSE: Sonatsoftw ; BSE: 532221)
Sonata Software Ltd. is a leading IT consulting and Software Services company, which has been servicing its clients in the USA, UK and Europe for the past 18 years. Sonata is listed on the Indian Stock Exchanges, and has a SEI CMM level 5 accreditation. Nurturing long-term partnerships has been a way of life at Sonata.

For further information, please visit http://www.sonata-software.com