Hub gas stock and Customers' nominations updated to 31 March 2021

Customers nominations of storage systems are updated hourly and published on Snam Rete Gas website, section Operational Business Data

Stock level of Edison Stoccaggio's Hub (equal to Strategic reserve and stock level of service of Peak Modulation and service of Modulation of Punte Costanti) is published on the Gas Infrastructure Europe - GIE website https://agsi.gie.eu/#/

Stock level of service of Peak Modulation and service of Modulation of Punte Costanti is updated weekly on the basis of definitive data and Customers' seasonal forecast:

• Stock Level Data 2020-2021 Till 31 March 2021