GM

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