In total, NAM’s operating income amounted to three billion euros in 2021. But operating expenses also rose sharply. In 2020, those costs were still 1.8 billion euros, in 2021 they went up to 2.5 billion euros. This increase is mainly due to ‘earthquake-related costs’. Under the line, therefore, 385 million euros in profit remains for the gas company, according to reports RTV North.