MOSCOW – Mark Gyetvay, a deputy chief of Russian natural gas producer Novatek, who was arrested last week in the United States on tax charges, said on social media on Sunday that he had pleaded not guilty and would fight the charges.
Reuters: Deputy chief of Russia’s Novatek says he will fight US tax charges

The logo of Novatek, Russia's second largest natural gas producer, is pictured on its headquarters in Moscow on April 18, 2021.