PATNI

Patni Computer Systems Limited has submitted to the Exchange the Standalone and Consolidated Financial Results for the period ended September 30,2010.

Patni Computer Systems Limited has informed the Exchange regarding the standalone Results for the quarter ended on 30-SEP-2010 as follows: Net Sales of Rs. 48210 lacs for quarter ending on 30-SEP-2010 against Rs. 45671 lacs for the quarter ending on 30-JUN-2010. Net Profit / (Loss) of Rs. 14822 lacs for the quarter ending on 30-SEP-2010 against Rs. 15300 lacs for the quarter ending on 30-JUN-2010.

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company vide resolution dated October 11, 2010 has allotted 85,644 equity shares of par value of Rs. 2/- each to certain employees including 34,278 underlying equity shares of par value of Rs. 2/- each to Bank of New York Mellon as a Depository in connection with the issuance of 17,139 American Depositary Shares (ADSs) pursuant to the exercise of ADR Linked options.

Patni Computer Systems Limited has informed the Exchange regarding a Press Release dated October 13, 2010 titled "CHCS Services Strengthens Focus on Senior Health Markets under New Ownership".

Patni Computer Systems Limited has informed the Exchange regarding a press release dated October 11, 2010, titled "Patni Computer Systems inaugurates its Suzhou China facility".

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company, vide circular resolution dated October 01, 2010, has approved the grant of 750,220 Restricted Stock Units ("RSUs") (including 97,090 ADR Linked options representing 194,180 RSUs) at an Exercise Price of Rs.2/- per share to 461 eligible option holders of the Company and its subsidiaries, under the Company's Stock Option Plan ("Patni ESOP 2003 (Revised 2009)").

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company vide resolution dated September 24, 2010 has allotted 28,633 equity shares of par value of Rs. 2/- each to certain option holders, pursuant to the exercise of options granted to them under Company's Stock Option Plan.

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company vide resolution dated September 16, 2010 has allotted 80,871 equity shares of par value of Rs. 2/- each to certain employees including 49,556 underlying equity shares of par value of Rs. 2/- each to Bank of New York Mellon as a Depository in connection with the issuance of 24,778 American Depositary Shares (ADSs) pursuant to the exercise of ADR Linked options.

Patni Computer Systems Limited has informed the Exchange regarding a press release dated September 14, 2010 , titled "Patni appoints Steve Correa as Chief Human Resources Officer".

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company vide resolution dated September 06, 2010 has allotted 2,064 equity shares of par value of Rs. 2/- each to Bank of New York Mellon as a Depository in connection with the issuance of 1,032 American Depositary Shares (ADSs) pursuant to the exercise of ADR Linked options by certain employees.

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company vide resolution dated August 25, 2010 has allotted 560,287 equity shares of par value of Rs. 2/- each to certain employees/Directors including 203,672 underlying equity shares of par value of Rs. 2/- each to Bank of New York as Depository in connection with the issuance of 101,836 American Depositary Shares (ADSs) pursuant to the exercise of ADR linked options.

Patni Computer Systems Limited has informed the Exchange that regarding a press release dated August 25, 2010 , titled "Patni appointed to deliver application management services to the Codan Group in Scandinavia".

Patni Computer Systems Limited has informed the Exchange regarding a press release dated August 25, 2010, titled "Patni announces new contract with Serco Learning to deliver leading edge information platform for schools".

Patni Computer Systems Limited has informed the Exchange regarding a press release dated August 19, 2010, titled "Patni appoints Manish Mehta as EVP and Chief Delivery Officer".

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company vide resolution dated August 13, 2010 has allotted 49,321 equity shares of par value of Rs. 2/- each to certain option holders, pursuant to the exercise of options granted to them under Company's Stock Option plan.

Patni Computer Systems Limited has informed the Exchange that the special interim dividend, declared in the Board Meeting held on August 13, 2010, will be paid to those members entitled thereto and whose names appear in the Register of Members of the Company as on August 31, 2010 (Record Date).

Patni Computer Systems Limited has informed the Exchange that the Board of Director of the Company at its meeting held on August 13, 2010 has declared a special interim dividend of Rs.63/- per equity share of Rs.2/- each (Rupees Sixty Three Only per equity share).

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company vide resolution dated August 06, 2010 has allotted 100,283 equity shares of par value of Rs. 2/- each to certain employees (all NRI employees) including 96,298 underlying equity shares of par value of Rs. 2/- each to Bank of New York as Depository in connection with the issuance of 48,149 American Depository Shares (ADSs) pursuant to the exercise of ADR linked options.

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company vide resolution dated July 30, 2010 has allotted 80,035 equity shares of par value of Rs. 2/- each to certain option holders, pursuant to the exercise of options granted to them under Company's Stock Option plan.

Patni Computer Systems Limited has informed the Exchange regarding a press release dated August 03, 2010, titled "Patni Named Weyerhaeuser's 'IT Supplier of the Year' for second consecutive Year".

Patni Computer Systems Limited has informed the Exchange regarding a press release dated July 28, 2010, titled "Patni's Q2 2010 Net Income up 10.7% YoY" along with the Financial and Operating Information for the quarter ended June 30, 2010.

Patni Computer Systems Limited has informed the Exchange regarding the standalone Results for the quarter ended on 30-JUN-2010 as follows: Net Sales of Rs. 45671 lacs for quarter ending on 30-JUN-2010 against Rs. 45769 lacs for the quarter ending on 31-MAR-2010. Net Profit / (Loss) of Rs. 15300 lacs for the quarter ending on 30-JUN-2010 against Rs. 15837 lacs for the quarter ending on 31-MAR-2010.

Patni Computer Systems Limited has informed the Exchange regarding the consolidated Results for the quarter ended on 30-JUN-2010 as follows: Net Sales of Rs. 76288 lacs for quarter ending on 30-JUN-2010 against Rs. 78163 lacs for the quarter ending on 31-MAR-2010. Net Profit / (Loss) of Rs. 14674 lacs for the quarter ending on 30-JUN-2010 against Rs. 15704 lacs for the quarter ending on 31-MAR-2010.

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company vide resolution dated July 19, 2010 has allotted 154,122 equity shares of par value of Rs. 2/- each to certain employees including 3,852 underlying equity shares of par value of Rs. 2/- each to Bank of New York as Depository in connection with the issuance of 1,926 American Depository Shares (ADSs) pursuant to the exercise of ADR linked options.

Patni Computer Systems Limited has informed the Exchange regarding a press release dated July 20, 2010, titled "Patni appoints Apoorva Singh as Global Head - Infrastructure Management Services".

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company vide resolution dated July 09, 2010 has allotted 28,519 equity shares of par value of Rs. 2/- each to certain employees including 13,144 underlying equity shares of par value of Rs. 2/- each to Bank of New York as Depository in connection with the issuance of 6,572 American Depository Shares (ADSs) pursuant to the exercise of ADR linked options.

Patni Computer Systems Limited has informed the Exchange regarding a press release dated July 15, 2010, titled "Patni enhances HIPAA 5010, ICD-10 offerings".

Patni Computer Systems Limited has informed the Exchange regarding a press release dated July 14, 2010 titled "Patni appoints Sunil Chitale as Chief Strategy and Marketing Officer".

Patni Computer Systems Limited has informed the Exchange regarding a press release dated July 13, 2010 titled "Patni strengthens EMEA leadership team with key appointment".

Patni Computer Systems Limited has submitted to the Exchange a copy of minutes of the Annual General Meeting of the Company held on June 23, 2010.

Patni Computer Systems Limited has informed the Exchange regarding a press release dated June 29, 2010, titled "Patni awarded Platinum Partner status in the Oracle PartnerNetwork".

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company vide resolution dated June 18, 2010 has allotted 25,212 equity shares of par value of Rs. 2/- each to certain option holders, pursuant to the exercise of options granted to them under Company's Stock Option Plan.

Patni Computer Systems Limited has informed the Exchange that the members of the Company at the Annual General Meeting held on June 23, 2010 inter, alia approved the following resolutions: 1) Adoption of the Audited Balance Sheet, Profit and Loss Account, together with the reports of the Directors and the Auditors thereon, for the year ended December 31, 2009; 2) Final dividend of Rs. 3.00 per share (150% on an Equity Share of par value of Rs. 2 /- ); 3) Re-appointment of Mr. Ramesh Venkateswaran, Dr. Michael Cusumano and Mr. Louis Theodoor van den Boog as Directors of the Company, liable to

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company vide resolution dated June 14, 2010 has allotted 73,024 equity shares of par value of Rs. 2/- each to certain employees including 1,624 underlying equity shares of par value of Rs. 2/- each to Bank of New York as Depository in connection with the issuance of 812 American Depositary Shares (ADSs) pursuant to the exercise of ADR Linked options.

Patni Computer Systems Limited has submitted to the Exchange a copy of the Notice of the Annual General Meeting of the Members of the company to be held on June 23, 2010.

Patni Computer Systems Limited has informed the Exchange regarding a press release dated June 08, 2010, titled " Japan's JR Kyushu and Patni sign JV pact".

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company vide resolution dated June 1, 2010 has allotted 248,235 equity shares of par value of Rs. 2/- each to certain employees/ director including 216,900 underlying equity shares of par value of Rs. 2/- each to Bank of New York as Depository in connection with the issuance of 108,450 American Depositary Shares (ADSs) pursuant to the exercise of ADR Linked options.

Patni Computer Systems Limited has informed the Exchange that "The Compensation and Remuneration Committee of Directors of the Company vide resolution dated May 20, 2010 has allotted 106,570 equity shares of par value of Rs. 2/- each to certain employees including 21,500 underlying equity shares of par value of Rs.2/- each to Bank of New York as Depository in connection with the issuance of 10,750 American Depository Shares (ADSs) pursuant to the exercise of ADR Linked options."

Patni Computer Systems Limited has informed the Exchange regarding a press release dated May 12, 2010, titled "Patni appoints Frank Khoshnoud to head its Manufacturing business".

Patni Computer Systems Limited has informed the Exchange that "The Compensation and Remuneration Committee of Directors of the Company vide resolution dated May 6, 2010 has allotted 40,660 Equity Shares of par value of Rs. 2 each to certain employees/director including 5,250 underlying equity shares of par value of Rs.2 each to Bank of New York as Depository in connection with the issuance of 2,625 American Depository Shares (ADSs) pursuant to the exercise of ADR Linked options.

Patni Computer Systems Limited has informed the Exchange that the Register of Members & Share Transfer Books will remain closed from June 16, 2010 to June 23, 2010 (both days inclusive) for the purpose of payment of dividend, subject to the approval of members at the Annual General Meeting to be held on June 23, 2010.

Patni Computer Systems Limited has informed the Exchange regarding a press release dated April 29, 2010, titled "Patni's Q1 2010 Net Income* up 122.7% YoY". Further the Company has also submitted a Fact Sheet for the quarter ended March 31, 2010. A copy of the press release and Fact Sheet shall be available on the NSE website (http://www.nseindia.com) under: Corporates > Latest Announcements and on the Extranet Server (/Common/Corporate Announcements).<a href=/content/corporate/PAnti_PR_29042010.zip target=NEW> For more details click here.</a>

Patni Computer Systems Limited has informed the Exchange regarding the standalone Results for the quarter ended on 31-MAR-2010 as follows: Net Sales of Rs. 45769 lacs for quarter ending on 31-MAR-2010. Net Profit / (Loss) of Rs. 15837 lacs for the quarter ending on 31-MAR-2010.

Patni Computer Systems Limited has informed the Exchange regarding the consolidated Results for the quarter ended on 31-MAR-2010 as follows: Net Sales of Rs. 78163 lacs for quarter ending on 31-MAR-2010. Net Profit / (Loss) of Rs. 15704 lacs for the quarter ending on 31-MAR-2010.

Patni Computer Systems Limited has informed the Exchange regarding a press release dated April 27, 2010 titled "Patni wins large integrated IT and BPO services deal from Universal American". A copy of the press release shall be available on the NSE website (http://www.nseindia.com) under: Corporates > Latest Announcements and on the Extranet Server (/Common/Corporate Announcements).<a href=/content/corporate/PATNI_pr_27042010.ZIP target=NEW> For more details click here.</a>

Patni Computer Systems Limited has informed the Exchange that "The Compensation & Remuneration Committee of Directors of the Company vide resolution dated 16th April 2010 has allotted 44,398 equity shares of par value of Rs.2/- each to certain employees including 3,748 underlying equity shares of par value of Rs.2/- each to Bank of New York as Depository in connection with the issuance of 1,874 American Depositary Shares (ADSs) pursuant to the exercise of ADR Linked options".

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company vide resolution dated April 09, 2010 has allotted 15,000 equity shares of par value of Rs.2/- each to certain option holders, including Director of the Company, pursuant to the exercise of options granted to them under Company's Stock Option Plan.

Patni Computer Systems Limited has informed the Exchange regarding a press release dated April 14, 2010 titled "Patni Computer Systems Awarded Contract to Develop Next Generation ATA Aviation Marketplace for Air Transport Association of America". A copy of the press release shall be available on the NSE website (http://www.nseindia.com) under: Corporates > Latest Announcements and on the Extranet Server (/Common/Corporate Announcements).<a href=/content/corporate/PATNI_pr_15042010.ZIP target=NEW> For more details click here.</a>

Patni Computer Systems Limited has informed the Exchange regarding a press release dated April 07, 2010 titled "Patni BPO receives top honors at 'BPO Excellence Awards 2009-10'". A copy of the press release shall be available on the NSE website (http://www.nseindia.com) under: Corporates > Latest Announcements and on the Extranet Server (/Common/Corporate Announcements).<a href=/content/corporate/patni_pr_07042010.zip target=NEW> For more details click here.</a>

Patni Computer Systems Limited has informed the Exchange regarding a press release dated March 30, 2010, titled "Patni appoints Alison Fry as new HR director for EMEA region". A copy of the press release shall be available on the NSE website (http://www.nseindia.com) under: Corporates > Latest Announcements and on the Extranet Server (/Common/Corporate Announcements).<a href=/content/corporate/Patni_PR_30032010.zip target=NEW> For more details click here.</a>