DEBT AND RATING Home Investors Debt and rating Share Terna’s financial debt and capital structure in light of investment in the grid At 30 June 2021, Terna’s net financial debt amounted to about € 9.7 billion and equity attributable to the owners of the Parent amounted to about € 4 billion. The nature of the business as well as the present and future financial structure allow for the confirmation of a higher rating level and promote highly competitive access conditions both for the banking market and capital markets. The capital structure will continue to remain solid during the period of the Plan and Terna predicts an increase in net debt generated by the acceleration of planned investments. TERNA IS THE FIRST GRID OPERATOR FOR ELECTRICITY TRANSMISSION IN EUROPE. WE PROMOTE THE ENERGY TRANSITION AND SUSTAINABLE DEVELOPMENT BY FOCUSING ON PEOPLE AND INNOVATION. We work every day to build an atmosphere of dialogue and trust in local areas, to which we bring a vital asset for everyone’s economic and social lives: electricity. > FIND OUT MORE Useful links CALENDAR GENERAL ARCHIVE CERT REAL ESTATE ASSETS ACCESSIBILITY PRIVACY COOKIE DECLARATION LEGAL NOTICE INSERT CV Portals PURCHASES SUPPLIERS QUALIFICATION GAUDI GSTAT ENERGY DISTRIBUTORS MY TERNA TITOLARI RTN OUR SITES: OPEN AND TRANSPARENT SETTLEMENT CERTIFICATION WHISTLEBLOWING TERNA PLUS TERNA S.p.A. - Capitale sociale € 442.198.240 interamente versato - Sede Legale in Italia, Viale Egidio Galbani, 70 - 00156 Roma - Tel +39 06 83138111 Registro delle Imprese di Roma - Codice fiscale e Partita IVA 05779661007 - R.E.A. di Roma 922416

RATING Home Investors Debt and rating Rating Share Rating assigned to Terna's Debt by Rating Agencies Standard and Poor's, Moody's and Scope, representative of credit merit of the Company Rating 30/06/2021 31/12/2020 31/12/2019 31/12/2018 31/12/2017 Standard & Poor’s Outlook Stable Stable Negative Negative Stable M/L Term BBB+ BBB+ BBB+ BBB+ BBB+ Short Term A-2 A-2 A-2 A-2 A-2 Moody’s Outlook Stable Stable Stable Stable Negative M/L Term Baa2 Baa2 Baa2 Baa2 Baa1 Short Term Prime-2 Prime-2 Prime-2 Prime-2 Prime-2 Scope Outlook Stable Stable Stable M/L Term A- A- A- Short Term S-1 S-1 S-1 Data updated at 30 June 2021 TERNA IS THE FIRST GRID OPERATOR FOR ELECTRICITY TRANSMISSION IN EUROPE. WE PROMOTE THE ENERGY TRANSITION AND SUSTAINABLE DEVELOPMENT BY FOCUSING ON PEOPLE AND INNOVATION. We work every day to build an atmosphere of dialogue and trust in local areas, to which we bring a vital asset for everyone’s economic and social lives: electricity. > FIND OUT MORE Useful links CALENDAR GENERAL ARCHIVE CERT REAL ESTATE ASSETS ACCESSIBILITY PRIVACY COOKIE DECLARATION LEGAL NOTICE INSERT CV Portals PURCHASES SUPPLIERS QUALIFICATION GAUDI GSTAT ENERGY DISTRIBUTORS MY TERNA TITOLARI RTN OUR SITES: OPEN AND TRANSPARENT SETTLEMENT CERTIFICATION WHISTLEBLOWING TERNA PLUS TERNA S.p.A. - Capitale sociale € 442.198.240 interamente versato - Sede Legale in Italia, Viale Egidio Galbani, 70 - 00156 Roma - Tel +39 06 83138111 Registro delle Imprese di Roma - Codice fiscale e Partita IVA 05779661007 - R.E.A. di Roma 922416