Patni completes successful ERP implementation at Bombay Stock Exchange

India, Mumbai, March 12, 2007: Patni Computer Systems Ltd., a leading global IT services provider today announced the successful implementation of Oracle ERP Solutions at the Bombay Stock Exchange (BSE). The entire implementation, including multiple modules of Oracle Financials Suite and Core HRMS, was completed in a short span of 8 months. With this implementation, the BSE has a single integrated system that provides it a comprehensive real-time view of the organization.

As part of the implementation process, Patni undertook a detailed exercise to understand the existing legacy system at BSE and devised a two-phase change management roadmap to migrate BSE's financial accounting and HR accounting to the ERP system. Patni's project management skills, technical proficiency in deploying Oracle solutions and its understanding of the financial services industry proved to be the critical success factors in the completion of this challenging project.

BSE has already started experiencing significant benefits through the ERP implementation with the automation of its HR and accounting processes. With the ERP system , BSE is able to get a detailed transaction wise data, soft close its accounts on a monthly basis and generate monthly MIS reports. Patni has also developed a web-based application, which assists in tracking issues raised by users.

Commenting on the achievement Mr. Rajnikant Patel, Managing Director & CEO, Bombay Stock Exchange said, "We appreciate the commitment shown by the Patni team who have helped us achieve this seamless integration. These solutions will enable us to provide our customers with value-added services and thereby help us build a differentiator in the current competitive scenario. The implementation also provides us with an integrated management reporting tool to get an up-to-date picture of the exchange at all times."

Mr. Milind S Padalkar, Senior VP and Head, Enterprise Application Services, Patni said, "Patni is honored to partner with BSE to assist in deploying this complex integration within the limited timeframe. Our team's strong domain knowledge has enabled us to work closely with BSE and provide them the right kind of solutions to streamline their internal and external processes."

About Bombay Stock Exchange
Bombay Stock Exchange Limited is the oldest stock exchange in Asia with a rich heritage. Popularly known as "BSE", it was established as "The Native Share & Stock Brokers' Association" in 1875. It is the first stock exchange in the country to obtain permanent recognition in 1956 from the Government of India under the Securities Contracts (Regulation) Act, 1956. The Exchange's pivotal and pre-eminent role in the development of the Indian capital market is widely recognized and its index, SENSEX, is tracked worldwide. Earlier an Association of Persons (AOP), the Exchange is now a corporatised entity incorporated under the provisions of the Companies Act, 1956, pursuant to the BSE (Corporatisation and Demutualisation) Scheme, 2005 notified by the Securities and Exchange Board of India (SEBI).

About Patni
Patni Computer Systems Limited (BSE: PATNI COMPUT, NSE: PATNI, NYSE: PTI) is a global provider of IT Services and business solutions, servicing Global 2000 clients. Patni caters to its clients through its industry-focused practices, including insurance, financial services, manufacturing, telecommunications and media, and its technology-focused practices.

With an employee strength of over 12,000; multiple global development centres spread across 12 cities worldwide; 21 international offices across the Americas, Europe and Asia-Pacific; Patni has registered revenues of US$ 579 million for the year 2006.

Patni's service offerings include application development and maintenance, enterprise application solutions, product engineering services, infrastructure management services, business process outsourcing, quality assurance and engineering services.

Committed to quality, Patni adds value to its client's businesses through wellestablished and structured methodologies, tools and techniques. Patni is an ISO 9001: 2000 certified and SEI-CMMI Level 5 organization, assessed enterprise wide at P-CMM Level 3. In keeping with its focus on continuous process improvements, Patni adopts Six Sigma practices as an integral part of its quality and process frameworks.

For more information on Patni, visit www.patni.com.

Safe Harbor:
Certain statements in this release concerning our future growth prospects are forward-looking statements, which involve a number of risks, and uncertainties that could cause actual results to differ materially from those in such forward-looking statements. The risks and uncertainties relating to these statements include, but are not limited to, risks and uncertainties regarding fluctuations in earnings, our ability to manage growth, intense competition in IT services including those factors which may affect our cost advantage, wage increases in India, our ability to attract and retain highly skilled professionals, time and cost overruns on fixed-price, fixed-time frame contracts, client concentration, restrictions on immigration, our ability to manage our international operations, reduced demand for technology in our key focus areas, disruptions in telecommunication networks, liability for damages on our service contracts, the success of the companies in which Patni has made strategic investments, withdrawal of governmental fiscal incentives, political instability, legal restrictions on raising capital or acquiring companies outside India, and unauthorized use of our intellectual property and general economic conditions affecting our industry. The company does not undertake to update any forward-looking statement that may be made from time to time by or on behalf of the Company.

For further editorial information contact: