Give it a try at an ATM of Bank Pekao.
Thanks, Pekao bank worked. But the atm maxed out at 200 PLN
Various Google maps review show that other people got no fee too
Bank Polski did not partner with planet cash/Euronet, but they still charged 19.9PLN + 12.13% dcc
Velo bank (planet cash 20PLn fee or 0+ 13.9% DCC).