Orange Polska is the principal supplier of telecommunications services in Poland. Orange Polska provides services, including fixed-line voice telecommunications, voice mail, fixed access to the Internet and Voice over Internet Protocol ("VoIP"). Orange Polska provides telecommunications services on the basis of entry number 1 in the register of telecommunications companies carried out by the President of Office of Electronic Communication. Through its subsidiary, Polska Telefonia Komórkowa-Centertel Sp. z o.o., the Group is one of Poland's major DCS 1800 and GSM 900 mobile telecommunications providers. PTK-Centertel also provides third generation UMTS services and services based on the CDMA technology. In addition, the Group provides leased lines, radio-communications and other telecommunications value added services, sells telecommunications equipment, electronic phone cards and provides data transmission, multimedia services and various Internet services. As at the end of 2012 Orange Polska had over 20 million customers of different services (mobile, fixed voice, broadband, TV). As at the end of 2012 we achieved revenue of PLN 14.1 billion, EBITDA margin at 34.2% and net free cash flows of PLN 1.5 billion.