Patni Computer Systems Expands U.S. Operations.

New Regional Development Center in Bloomington, Illinois expands Patni's onshore presence

CAMBRIDGE, Mass. -- Patni Computer Systems (BSE: PATNI COMPUT) (NSE: PATNI) (NYSE: PTI) a leading global Information Technology (IT) consulting and services provider, today announced the expansion of its onshore operation in the U.S. with the opening of its third Regional Development Center (RDC). Inaugurated by Bloomington's Mayor, Stephen F. Stockton and Patni senior management, the new RDC Bloomington, Illinois facility is nearly 10,000 square feet and can accommodate 100 professionals. The center will initially focus on executing software development projects for Patni's Insurance Business Unit with the objective of ramping up swiftly in support of the company's overall development operations in North America.

With the new Bloomington RDC, Patni will be better able to support the high growth Midwest market and offer services directly from Patni facilities to the client base in the region and throughout North America.

"The expansion to Bloomington is part of our corporate strategy to build strong, onsite operations to achieve leadership in important markets as well as satisfy customer demand. We will continue to invest in our global delivery model throughout the U.S. and the world." said Mrinal Sattawala, Patni's Chief Operating Officer.

Bloomington's Mayor Stockton added, "Patni's RDC brings new employment opportunities to the area, taking advantage of our regional talent pool. We are delighted that Patni chose Bloomington for its facility and appreciate the investment it represents in our local economy."

The new facility is located at:
         205 Main Street
         Bloomington, IL 61701
         309.823.4110

About Patni

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

With an employee strength of over 12,000 and multiple offshore development facilities across eight cities; Patni has 23 international offices across the Americas, Europe and Asia-Pacific. Patni has registered revenues of US$ 450 million for the year 2005.

Patni's service offerings include application development, application maintenance and support, packaged software implementation, infrastructure management services, product engineering services, business process outsourcing and quality assurance services.

Committed to quality, Patni adds value to its client's businesses through well-established 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. Additional risks that could affect our future operating results are more fully described in our Red herring filing. 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.

*IDC: 2006 PRC information and communications technology (ICT) Market Top 10 Forecasts for 2005 year-end review, December, 2005.