The segment’s principal business activity consists in the delivery of high-methane and nitrogen-rich gas, as well as of small amounts of coke-oven gas, over the distribution network to retail and corporate customers. The segment is also engaged in extending and upgrading the gas network and connecting new customers. Natural gas distribution is the responsibility of Polska Spółka Gazownictwa sp. z o.o. (PSG). As the Distribution System Operator, the company operates in all regions of Poland. Being the owner of the major part of the gas distribution network and gas service lines located in Poland, PSG enjoys a dominant market share.