Poland's richest man, Jan Kulczyk, dies at 65
Kulczyk's assets include chemicals group Ciech, energy companies Polenergia and Serinus Energy and a number of worldwide oil and gas businesses.
(Reporting by Agnieszka Barteczko)
Kulczyk's assets include chemicals group Ciech, energy companies Polenergia and Serinus Energy and a number of worldwide oil and gas businesses.
(Reporting by Agnieszka Barteczko)