PATNI

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company vide resolution dated May 09, 2012 has allotted 27,174 equity shares of par value of Rs.2/- each to certain employees including 13,474 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 6,737 American Depositary Shares (ADSs) to foreign based option holders pursuant to the exercise of ADR Linked options granted to them under the Company's Stock Option Plan.

Members of the Exchange are hereby informed that the trading in the equity shares of Patni Computer Systems Limited shall be suspended w.e.f. May 21, 2012 (i.e. w.e.f. closing hours of trading on May 18, 2012) on account of voluntary delisting pursuant to the SEBI (Delisting of Equity Shares) Regulations, 2009. The admission to dealings in securities of the said company shall be withdrawn (delisted) w.e.f. May 28, 2012.

Patni Computer Systems Limited has, with reference to the Delisting of the equity shares of the Company from the Exchange, submitted to the Exchange the details of the name, address and contact numbers of the Contact Person at RTA and at the Company for solving Investor queries post Delisting.

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company vide resolution dated April 27, 2012 has allotted 58,766 equity shares of par value of Rs.2/- each to certain employees including 13,588 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 6,794 American Depositary Shares (ADSs) to foreign based option holders pursuant to the exercise of ADR Linked options granted to them under the Company's Stock Option Plan.

Patni Computer Systems Limited has submitted to the Exchange a copy of the Proceedings of the Annual General Meeting of the Members of the Company held on April 10, 2012.

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company vide resolution dated April 13, 2012 has allotted 41,151 equity shares of par value of Rs.2/- each to certain employees including 19,926 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 9,963 American Depositary Shares (ADSs) to foreign based option holders pursuant to the exercise of ADR Linked options granted to them under the Company's Stock Option Plan.

Patni Computer Systems Limited has submitted to the Exchange vide its letter dated April 12, 2012 a copy of Disclosure under Regulation 29(2) of SEBI (Substantial Acquisition of Shares and Takeover) Regulations, 2011 and Disclosure under Regulation 13(3) and 13(6) of the SEBI (Prohibition of Insider Trading) Regulations, 1992.

Mansfield (Mauritus) Limited and Suffolk (Mauritius) Limited has submitted to the Exchange vide its letter dated April 12, 2012 a copy of Disclosure under Regulation 29(2) of SEBI (Substantial Acquisition of Shares and Takeover) Regulations, 2011 for sale of 14,196,375 shares.

Patni Computer Systems Limited has informed the Exchange regarding the outcome of Annual General Meeting (AGM) of the Company was held on April 10, 2012.

Patni Computer Systems Limited has submitted to the Exchange the Standalone Financial Results along with Limited Review Report for the period ended March 31,2012.

Patni Computer Systems Limited has informed the Exchange regarding the standalone Results for the quarter ended on 31-MAR-2012 as follows: Net Sales of Rs. 53514 lacs for quarter ending on 31-MAR-2012. Net Profit / (Loss) of Rs. 15277 lacs for the quarter ending on 31-MAR-2012.

Kotak Mahindra Capital Company Limited has submitted to the Exchange a copy of Post Offer Public Announcement issued in the Newspaper on April 10, 2012 with respect to the Delisting of equity shares ("Equity Shares") of Patni Computer Systems Limited ("Company").

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company vide resolution dated March 23, 2012 has allotted 31,130 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 March 21, 2012 has allotted 59,000 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 Register of Members & share Transfer Books will remain Closed from April 03, 2012 to April 10, 2012 (both days inclusive) for the purpose of ensuing Annual General Meeting to be held on April 10, 2012.

Kotak Mahindra Capital Company Limited has submitted to the Exchange a copy of public announcement ("Public Announcement") issued by Pan-Asia iGATE Solutions ("Acquirer") along with iGATE Global Solutions Limited ("Promoters") and iGATE Corporation to the public shareholders of Patni Computer Systems Limited ("Company"), in respect of the proposed acquisition and delisting of the fully paid-up equity shares of the Company having a face value of Rs. 2/- each ("Shares") in accordance with Regulation 10 of the Securities and Exchange Board of India (Delisting of Equity Shares) Regulations, 2009 (

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company vide resolution dated March 06, 2012 has allotted 19,335 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 March 01, 2012 has allotted 27,719 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 February 14, 2012 has allotted 39,135 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 has approved the grant of 2,250 ADR linked Restricted stock Units ("ADR linked RSUs") at an Exercise Price of US$ equivalent to Indian Rs. 4/-per ADR to an eligible option holder of the Company and its subsidiaries, under the Company's Stock Option Plan ("Patni ESOP 2003 (Revised 2009)").Each ADR represent two underlying Equity shares of Rs. 2/- each of the Company.

Patni Computer Systems Limited has informed the Exchange regarding the standalone Results for the year ended on 31-DEC-2011 as follows: Net Sales of Rs. 215167 lacs for year ending on 31-DEC-2011 against Rs. 189127 lacs for the year ending on 31-DEC-2010. Net Profit / (Loss) of Rs. 49978 lacs for the year ending on 31-DEC-2011 against Rs. 65505 lacs for the year ending on 31-DEC-2010.

Patni Computer Systems Limited has submitted to the Exchange the Standalone and Consolidated Financial Results for the period ended December 31,2011.

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company vide resolution dated January 10, 2012 has allotted 1,003,080 equity shares of par value of Rs. 2/- each to certain option holders, including 30 underlying equity shares of par value of Rs. 2/- each to the Bank of New York Mellon as a Depository in connection with the issuance of 15 American Depositary Shares (ADSs) to foreign based option holder pursuant to the exercise of ADR Linked options granted to him under the Company's Stock Option Plan.

Patni Computer Systems Limited has informed the Exchange vide its letter dated January 10, 2012 regarding Revised Declaration of Postal Ballot Result for Voluntary Delisting of Equity Shares pursuant to Securities and Exchange Board of India (Delisting of Equity Shares) Regulations, 2009.

Patni Computer Systems Limited has informed the Exchange vide its letter dated January 07, 2012 regarding Declaration of Postal Ballot Result for Voluntary Delisting of Equity Shares pursuant to Securities and Exchange Board of India (Delisting of Equity Shares) Regulations, 2009.

Patni Computer Systems Limited has submitted to the Exchange a copy of disclosure under Regulation 13(6) of the SEBI (Prohibition of Insider Trading) Regulations,1992 and under SEBI (Substantial Acquisition of Shares and Takeovers) Regulations, 2011.

Mansfield (Mauritus) Limited and Suffolk (Mauritius) Limited has submitted to the Exchange a copy of Disclosure under Regulation 29(2) of SEBI (Substantial Acquisition of Shares and Takeover) Regulations, 2011.

Patni Computer Systems Limited has submitted to the Exchange a copy of disclosure under Regulation 29(1) of SEBI (Substantial Acquisition of Shares & Takeovers) Regulations, 2011 and Regulation 13(1) and 13(6) of the SEBI (Prohibition Of Insider Trading) Regulations, 1992.

Suffolk (Mauritius) Limited has submitted to the Exchange a copy of Disclosure under Regulation 29(1) of SEBI (Substantial Acquisition of Shares and Takeover) Regulations. 2011.

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company vide resolution dated December 26, 2011 has allotted 49,569 equity shares of par value of Rs.2/-each to certain employees, including 26,264 underlying equity shares of par value of Rs. 2/- each to the Bank of New York Mellon as a Depository in connection with the issuance of 13,132 American Depositary Shares (ADSs) to foreign based option holders pursuant to the exercise of ADR Linked options granted to them under the 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 December 19, 2011 has allotted 31,762 equity shares of par value of Rs.2/-each to certain employees, including 3,580 underlying equity shares of par value of Rs. 2/- each to the Bank of New York Mellon as a Depository in connection with the issuance of 1,790 American Depositary Shares (ADSs) to foreign based option holders pursuant to the exercise of ADR Linked options granted to them under the Company's Stock Option Plan.

Patni Computer Systems Limited has informed the Exchange that pursuant to Section 192A of the Companies Act, 1956, read with the Companies (Passing of the Resolutions by Postal Ballot) Rules, 2011,in respect of the special resolution to be passed by Postal Ballot: Special Resolution under the Companies Act, 1956 and Regulation 8(1)(b) of the Securities and Exchange Board of India (Delisting of Equity Shares) Regulations, 2009 seeking approval for delisting of the Equity shares of the Company from the National Stock Exchange of India Limited and the Bombay Stock Exchange Limited and the America

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company vide resolution dated November 25, 2011 has allotted 75,065 equity shares of par value of Rs.2/-each to certain employees, pursuant to the exercise of options granted to them under Company's Stock Option Plan.

Patni Computer Systems Limited has submitted to the Exchange a copy of disclosure under Regulation 29(1) of SEBI (Substantial Acquisition of Shares & Takeovers) Regulations, 2011 and Regulation 13(1) and 13(6) of the SEBI (Prohibition Of Insider Trading) Regulations, 1992.

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company vide resolution dated November 18, 2011 has allotted 91,990 equity shares of par value of Rs. 2/- each to certain employees, including 52,130 underlying equity shares of par value of Rs. 2/- each to the Bank of New York Mellon as a Depository in connection with the issuance of 26,065 American Depositary Shares (ADSs) to foreign based option holder pursuant to the exercise of ADR Linked options granted to him under the Company's Stock Option Plan.

Mansfield (Mauritus) Limited/ Suffolk (Mauritius) Limited has submitted to the Exchange a copy of Disclosure under Regulation 29(1) of SEBI (Substantial Acquisition of Shares and Takeover) Regulations. 2011.

Patni Computer Systems Limited has informed the Exchange regarding outcome of the Board Meeting held on November 16, 2011, as under : (1) Patni Computer Systems Ltd (the "Company") has received a proposal from Pan - Asia iGATE Solutions ("Acquire") and iGATE Global Solutions Limited, an affiliate of the Acquirer ("iGATE India" and together with the Acquirer, the "Promoters"), the Promoters of the Company, are desirous of delisting the equity shares of the Company from the Bombay Stock Exchange Limited and the National Stock Exchange of India Limited as well as delisting of the American Deposit

Spurt in Volume : Substantial increase in trading volumes have been observed in Patni Computer Systems Limited. The Exchange, in order to ensure that investors have latest relevant information about the company and to inform the market place so that the interest of the investors is safeguarded, had written to the company. Patni Computer Systems Limited has vide its letter inter-alia stated,"The Company is not presently aware of any circumstances or events which have resulted in the increase in the trading volume of the shares of the Company."

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company vide resolution dated October 31, 2011 has allotted 39,985 equity shares of par value of Rs.2/-each to certain employees, 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 October 25, 2011, titled "The Mosaic Company and iGATE Patni Strengthen Partnership with Global Service Desk Deal".

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company vide resolution dated October 19, 2011 has allotted 51,350 equity shares of par value of Rs.2/-each to certain employees, pursuant to the exercise of options granted to them under Company's Stock Option Plan.

Patni Computer Systems Limited has informed the Exchange regarding the standalone Results for the quarter ended on 30-SEP-2011 as follows: Net Sales of Rs. 53331 lacs for quarter ending on 30-SEP-2011 against Rs. 49796 lacs for the quarter ending on 30-JUN-2011. Net Profit / (Loss) of Rs. 9104 lacs for the quarter ending on 30-SEP-2011 against Rs. 8203 lacs for the quarter ending on 30-JUN-2011.

Patni Computer Systems Limited has informed the Exchange regarding a press release dated October 18, 2011, titled "Patni Reports Third Quarter Results with a 6.8% YoY Increase in Revenue".

Patni Computer Systems Limited has informed the Exchange regarding the consolidated Results for the quarter ended on 30-SEP-2011 as follows: Net Sales of Rs. 88934 lacs for quarter ending on 30-SEP-2011 against Rs. 82191 lacs for the quarter ending on 30-JUN-2011. Net Profit / (Loss) of Rs. 9027 lacs for the quarter ending on 30-SEP-2011 against Rs. (5152) lacs for the quarter ending on 30-JUN-2011.

Patni Computer Systems Limited has submitted to the Exchange a copy of Fact Sheet for the quarter ended September 30, 2011.

Patni Computer Systems Limited has submitted to the Exchange the Standalone and Consolidated Financial Results for the period ended September 30,2011.

Patni Computer Systems Limited has informed the Exchange that the Compensation & Remuneration Committee of Directors of the Company vide resolution dated October 12, 2011 has allotted 49,590 equity share of par value of Rs.2/-each to certain employees, 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 20, 2011 has allotted 2,634 equity shares of par value of Rs. 2/- each to certain employees, including 2,024 underlying equity shares of par value of Rs. 2/- each to the Bank of New York Mellon as a Depository in connection with the issuance of 1,012 American Depositary Shares (ADSs) to foreign based option holder pursuant to the exercise of ADR Linked options granted to him under the 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 02, 2011 has allotted 40,000 equity share 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 18, 2011, titled "iGATE Patni named a new 'Major Contender' in Finance & Accounting Outsourcing Everest Group Research Report 2011".