| 31-01-2012 | | Extraordinary General Meeting held on 31 January 2012 | | Total number of shares in PETROLINVEST S.A. at the day of announcement of convening the General Meeting | 128 553 564 | | Total number of votes attached to those shares at the day of announcement of convening the General Meeting | 128 553 564 | | Announcement regarding convocation of the Extraordinary General Meeting together with draft resolutions |   | | The forms, which allow for voting rights to be exercised by a proxy |  | |
| 27-09-2011 | | Extraordinary General Meeting held on 27 September 2011 | | Total number of shares in PETROLINVEST S.A. at the day of announcement of convening the General Meeting | 75 326 866 | | Total number of votes attached to those shares at the day of announcement of convening the General Meeting | 75 326 866 | | Announcement regarding convocation of the Extraordinary General Meeting together with draft resolutions |   | | The forms, which allow for voting rights to be exercised by a proxy |  | |
| 26-09-2011 | | Extraordinary General Meeting held on 26 September 2011 | | Total number of shares in PETROLINVEST S.A. at the day of announcement of convening the General Meeting | 75 326 866 | | Total number of votes attached to those shares at the day of announcement of convening the General Meeting | 75 326 866 | | Announcement regarding convocation of the Extraordinary General Meeting together with draft resolutions |   | | The forms, which allow for voting rights to be exercised by a proxy |  | |
| 30-06-2011 | | Annual General Meeting held on 30 June 2011 | | Total number of shares in PETROLINVEST S.A. at the day of announcement of convening the General Meeting | 63 475 895 | | Total number of votes attached to those shares at the day of announcement of convening the General Meeting | 63 475 895 | | Announcement regarding convocation of the Annual General Meeting together with draft resolutions |   | | The forms, which allow for voting rights to be exercised by a proxy |  | | Report on the activities of the Supervisory Board of Petrolinvest S.A. for 2010 |  | | Report of the Supervisory Board of Petrolinvest S.A. for the financial year ended on 31 December 2010 |  | | Assessment by the Supervisory Board of Petrolinvest S.A. regarding the standing of Petrolinvest S.A. and the Petrolinvest Capital Group in 2010 |  | | Resolutions of the AGM of PETROLINVEST S.A. held on 30 June 2011 |  | | The list of shareholders who held 5% or more votes at the AGM of PETROLINVEST S.A. held on 30 June 2011 |  | |
| 09-05-2011 | | Extraordinary General Meeting held on 9 May 2011 | | Total number of shares in PETROLINVEST S.A. at the day of announcement of convening the General Meeting | 60 296 599 | | Total number of votes attached to those shares at the day of announcement of convening the General Meeting | 60 296 599 | | Announcement regarding convocation of the EGM together with draft resolutions |   | | The forms, which allow for voting rights to be exercised by a proxy |  | | Resolutions of the Extraordinary General Meeting of PETROLINVEST S.A. of 9 May 2011 |  | | The list of shareholders who had 5% or more votes at the EGM of PETROLINVEST S.A. held on 9 May 2011 |  | |
| 16-04-2011 | | Extraordinary General Meeting held on 16 April 2011 | | Total number of shares in PETROLINVEST S.A. at the day of announcement of convening the General Meeting | 59 128 004 | | Total number of votes attached to those shares at the day of announcement of convening the General Meeting | 59 128 004 | | Announcement regarding convocation of the EGM together with draft resolutions |   | | The forms, which allow for voting rights to be exercised by a proxy |  | | Resolutions of the Extraordinary General Meeting of PETROLINVEST S.A. of 16 April 2011 |  | | The list of shareholders who had 5% or more votes at the EGM of PETROLINVEST S.A. held on 16 April 2011 |  | |
| 30-10-2010 | | Extraordinary General Meeting held on 30 October 2010 | | Total number of shares in PETROLINVEST S.A. at the day of announcement of convening the General Meeting | 41 296 599 | | Total number of votes attached to those shares at the day of announcement of convening the General Meeting | 41 296 599 | | Announcement regarding convocation of the EGM together with draft resolutions |   | | The forms, which allow for voting rights to be exercised by a proxy |  | | Resolutions of the AGM of PETROLINVEST S.A. held on 30 October 2010 |  | | The list of shareholders who had 5% or more votes at the AGM of PETROLINVEST S.A. held on 30 October 2010 |  | |
| 30-06-2010 | | Annual General Meeting held on 30 June 2010 | | Total number of shares in PETROLINVEST S.A. at the day of announcement of convening the General Meeting | 30 449 455 | | Total number of votes attached to those shares at the day of announcement of convening the General Meeting | 30 449 455 | | Announcement regarding convocation of the Annual General Meeting together with draft resolutions |   | | Report of the Supervisiory Board of petrolinvest Joint-Stock Company for the financial year ended 31 December 2009 |  | | Assessment by the Supervisory Board of Petrolinvest S.A. |  | | Report on the activity of Supervisiory Board of Petrolinvest S.A. for the year 2009 |  | | The forms, which allow for voting rights to be exercised by a proxy |  | | Resolutions of the AGM of PETROLINVEST S.A. held on 30 June 2010 |  | | The list of shareholders who had 5% or more votes at the AGM of PETROLINVEST S.A. held on 30 June 2010 |  | |
| 25-06-2010 | | Extraordinary General Meeting held on 25 June 2010 | | Total number of shares in PETROLINVEST S.A. at the day of announcement of convening the General Meeting | 30 449 455 | | Total number of votes attached to those shares at the day of announcement of convening the General Meeting | 30 449 455 | | Announcement regarding convocation of the EGM together with draft resolutions |   | | The forms, which allow for voting rights to be exercised by a proxy |  | | Resumes of candidates to the Supervisory Board made available to PETROLINVEST S.A. |  | | Resolutions of the EGM of PETROLINVEST S.A. held on 25 June 2010 |  | | The list of shareholders who had 5% or more votes at the EGM of PETROLINVEST S.A. held on 25 June 2010 |  | |
| 30-12-2009 | | Extraordinary General Meeting held on 30 December 2009 | | Total number of shares in PETROLINVEST S.A. at the day of announcement of convening the General Meeting | 19 022 971 | | Total number of votes attached to those shares at the day of announcement of convening the General Meeting | 19 022 971 | | Announcement regarding convocation of the EGM together with draft resolutions |   | | Changes to the agenda of the Extraordinary General Meeting of 30 December 2009 |  | | Revised Management Board opinion laying down the grounds for the exclusion of the pre-emptive rights of the existing shareholders of the Company |   | | The forms, which allow for voting rights to be exercised by a proxy |  | | Resolution of the EGM of PETROLINVEST S.A. |  | | The list of shareholders who had 5% or more votes at the EGM of PETROLINVEST S.A. held on 30 December 2009 |  | |
| 31-07-2009 | | Extraordinary General Meeting held on 31 July 2009. | | Convocation of the EGM |  | | Draft resolutions of the EGM |  | | Resolutions of the EGM |  | | The list of shareholders who had 5% or more votes at the EGM of PETROLINVEST S.A. held on 31 July 2009 |  | |
| 30-06-2009 | | Annual General Meeting held on 30 June 2009. | | Convocation of the Annual General Meeting of PETROLINVEST S.A. |  | | Supplementation of the agenda of the Annual General Meeting of PETROLINVEST S.A. |  | | Draft resolutions of the AGM of PETROLINVEST S.A. |  | | Resolutions of the AGM of PETROLINVEST S.A. |  | | The list of shareholders who had 5% or more votes at the AGM of PETROLINVEST S.A. held on 30 June 2009 |  | |
| 7-05-2009 | | Extraordinary General Meeting held on 7 May 2009. | | Convocation of the EGM |  | | Draft resolutions of the EGM |  | | Resolutions of the EGM |  | | The list of shareholders who had 5% or more votes at the EGM of PETROLINVEST S.A. held on 7 May 2009 |  | |
| 16-03-2009 | | Extraordinary General Meeting held on 16 March 2009. | | Convocation of the EGM |  | | Draft resolutions of the EGM |  | | Resolutions of the EGM |  | | The list of shareholders who had 5% or more votes at the EGM of PETROLINVEST S.A. held on 16 March 2009 |  | |
| 24-10-2008 | | Extraordinary General Meeting held on 24 October 2008. | | Resolutions of the EGM |  | | The list of shareholders who had 5% or more votes at the EGM of PETROLINVEST S.A. held on 24 October 2008 |  | |