"LNG will see a boom in the midst of security of supply questions," said chief executive Ulf Heitmueller in a call with reporters.

"Russian gas will lose in importance for VNG and the much-discussed bridging period for gas to usher in a carbon-free energy future will become shorter," he added.

VNG is one of Russia's biggest long-term gas customers in Germany.

(Reporting by Vera Eckert, editing by Madeline Chambers)