CEZ Group is a dynamic, integrated electricity conglomerate based in the Czech Republic and with operations in a number of countries of Central and Southeastern Europe and Turkey. Co. is an international group consisting of nearly 120 companies, Czech and foreign. Co.'s primary activities involve the production and transmission of electricity through nuclear, coal-fired and hydro power stations; production and distribution of heat and processing of secondary products generated during the production of electricity and heat as well as coal mining. Co. has operating companies in Poland, Bulgaria, Romania, the Netherlands, Ireland, Germany, Hungary, Albania, Turkey, Serbia, and Slovakia.

OMV is an international energy company with activities in Exploration and Production (E&P), Refining and Marketing including petrochemicals (R&M), and Gas and Power (G&P). Co. explores and develops oil and gas resources and supply energy to over 100 million people. OMV has three operating segments: Exploration and Production (E&P), Refining and Marketing, including petrochemicals (R&M), and Gas and Power (G&P), as well as the segment Corporate and Other (Co&O).

OTP Bank is a financial institution based in Hungary. Co. is engaged in retail banking (account management, bankcards and Electronic sevices - OTPdirekt) corporate banking and private banking. In Hungary traditional banking operations are performed by Co. while specialized services, including car leasing, investment funds and insurance are developed and offered by Co.'s subsidiaries. Co. expands its operations throughout the region via its foreign subsidiaries. As of Dec 31 2011, Co. had total assets of HUF10,200,527,000,000 and deposits of HUF6,398,853,000,000.

Gielda Papierow Wartosciowych w Warszawie SA (Warsaw Stock Exchange, GPW) is a Poland-based stock exchange. It is a parent entity of WSE Group that offers products and services within its trading markets of equity, derivate, fixed income and structured products. It also distributes market data. The Company has two business lines: Financial market, which includes trading in equities, derivatives, fixed-income and other instruments, listing, and information services; and Commodity market, which includes trading in electricity and property rights in certificates of origin, operation of a register of certificates of origin, clearing, trade and technical trade operator services. As of December 31, 2011, it operates two wholly owned subsidiaries, WSEInfoEngine SA, providing data transmission and information services; and Instytut Rynku Kapitalowego WSE Research SA, engaged in publishing; as well as 92.47%-owned BondSpot SA.