Gas Transmission Operator GAZ-SYSTEM S.A.ul. Mszczonowska 402-337 Warszawa +48 22 220 18 00 +48 22 220 16 06 kontakt@gaz-system.pl Management Board President Sławomir Hinc +48 22 220 18 00 +48 22 220 17 10 sekretariat.p@gaz-system.pl VICE-PRESIDENT Elżbieta Kramek +48 22 220 18 00 +48 22 220 17 10 VICE-PRESIDENT Adam Bryszewski +48 22 220 18 00 +48 22 220 17 10