Complex sentence: No official statements have been given by NBCUniversal as to if and when the network will end and G4 is no longer listed as an asset of NBCU, on either their corporate website or NBCUniversal's "Media Village" press site.
Split into simpler sentences: No official statements have been given by NBCUniversal as to if and when the network will end. However, G4 is no longer listed as an asset of NBCU, on either their corporate website or NBCUniversal's "Media Village" press site.