Mr Marek Pietruszewski, aged 41, graduated from the Faculty of Management and Fundamentals of Technology at the Lublin University of Technology (Politechnika Lubelska). In 1997, he obtained the Mastere EDHEC diploma (Ecole Des Hautes Etudes Commercialles), while in 1999 he was awarded the Executive MBA degree at Bristol University and Ecole Nationale des Ponts et Chaussees. In 2005, he successfully completed a PhD programme at the College of Management and Finance at the Warsaw School of Economics (SGH).

He began his professional career in February 1996 at Daewoo Motor Polska in Lublin. From 1996 to 2000, he worked at the auditing firm KPMG, while between 2000 and 2001 he worked in a mergers and acquisitions team at JP Morgan. In December 2001, he moved to the fuel industry and assumed the post of Financial Director at Preem Polska, where he was member of a team preparing the restructuring and disinvestment of the company. From 2003 to February 2010, he worked for LOTOS Group as Financial Director at LOTOS Partner, and then at LOTOS Paliwa. From 9 June 2010 he was a member of the Management Board of PETROLINVEST S.A. responsible for managing financial matters. He is Member of the Supervisory Board of Petrolinvest Trade S.A. and Silurian Sp. z o.o., as well as Financial Director at Occidental Resources, Inc.

He has been Vice President of the Management Board of the Company since 30 June 2010. His mandate expires in 2013 on the day of the Annual General Meeting approving the financial statements for 2012.