Hyderabad, May 19, 2005

Keith Newman, IT Director for TUI UK, today inaugurated Sonata's latest Development Center at Hyderabad. The center is the fourth and the most modern in Sonata's portfolio in India. With a total area of 90,000 square feet and five floors, the state-of-the art center will house approximately 800 IT professionals.

The new facility will house an Offshore Development Centre (ODC) to support TUI-UK's IT organization. The new development center will provide Systems development, migration, quality assurance, testing, maintenance and enhancement services for TUI's strategic IT initiatives. This facility has been designed keeping in mind flexible, scalable and independent operations. It is equipped with the latest world-class technologies and network infrastructure for complete IT security; and is capable of operating as multiple, independent, dedicated offshore centers for multiple clients.

Sonata's global network of client servicing centers includes three development centers in Bangalore and nine overseas offices, out of which five are in the United States and three in Europe.

Inaugurating the new office, Mr. Keith Newman, IT Director for TUI UK said, "I am very pleased at the rapid scaling up we have seen in our relationship with Sonata. The second ODC at Hyderabad in a matter of 7 months in a testimony to this.''

Announcing the latest expansion plan, Mr. B. Ramaswamy, President and MD, Sonata Software said, "Our success in establishing the TUI ODC at Bangalore has resulted in a growing relationship with TUI. The wide range of services that are being offered and their impact on TUI's business will be a key driver for strengthening this relationship further."

TUI UK is UK's largest holiday company and employs over 9000 people serving 40 holiday destinations around the world.

About Sonata Software Ltd.

Sonata Software Limited, a SEI CMM Level 5 and ISO 9001 Indian IT consulting and Software Services Company, has been servicing its clients in the US, UK and Europe for the past 19 years. Nurturing long-term partnerships has been a way of life at Sonata. The company firmly believes that in the "Power of Partnership" lies the ability to identify more opportunities, increase individual strengths and intensify commitments. For more information, please visit www.sonata-software.com.

About TUI UK

TUI UK is the UK's largest holiday company and includes the leading UK brand of Thomson holidays. It employs around 9,000 people, 7,000 of which work overseas in around 40 holiday destinations around the world. It is the market leader in the UK inclusive holiday market, a position it has held since 1974. TUI UK also includes the travel agents Thomson holiday shops, Callers Pegasus and tele-text agents, Team Lincoln.

TUI UK's headquarters is based in London at Greater London House, Hampstead Road, London.