The values shown in the adjusted configuration respectively exclude: charges for the early retirement fund for financial year 2018 (17 million euros) and the effects of the release of the provision for impairment losses in the income statement relative to balancing activities for financial year 2019 (35 million euros). With reference to 2020, the amounts exclude costs suffered following the state of emergency linked to the Covid-19 pandemic, essentially relative to personal protective equipment for internal use and for deep cleaning of work areas (3 million euros total). More information on adjusted results measures and the relative special items relevant at the consolidated level can be found in the chapter “Financial review – Non-GAAP measures”.

Before consolidation adjustments.

The revenue components that are offset by costs (“pass-through” items) relate to modulation. As from 1 January 2020, the pass-through component attributable to interconnection with other transportation operators is recognised as a direct reduction in the corresponding revenue (47 million euros in 2020). Similarly, the corresponding figures for 2019 and 2018 (52 and 49 million euros, respectively) have been restated.

At a real pre-tax base WACC of 5.7% for 2019 and 2020 (5.4% in 2018).

The data for 2020 were updated at 29 January 2021. 2019 figures were definitively updated. With reference to 2020, gas volumes are expressed in standard cubic metres (Scm) with a conventional average Higher Heating Value (HHV) of 38.1 Mj/Scm (10,575 KWh/Scm).

The amount includes 84 km of network relative to Infrastrutture Trasporto Gas.