Terna — Capital/Financing Update 2023

Jul 31, 2023

TERNA: THE NEW GREEN BOND LISTED ON EXTRAMOT PRO PROFESSIONAL SEGMENT OF THE ITALIAN STOCK EXCHANGE

Rome, 31 July 2023 – The last Terna's green bond issue, launched on 17 July 2023, joins today in the ExtraMOT PRO professional segment of the Italian Stock Exchange, part of the Euronext Group.

The new green bond, as happened for the previous Terna's green bonds, is included in the segment of the Italian Stock Exchange dedicated to green and social bonds and established to provide opportunities for investors alike to identify solutions for which the proceeds are used to finance projects with specific environmental and social benefits or effects.

The net proceeds from the issue will be used to finance the Company's Eligible Green Projects, defined or to be defined in compliance with the Terna's Green Bond Framework, which is aligned to the "Green Bond Principles 2021" published by the International Capital Market Association and to the EU Taxonomy, aimed at facilitating sustainable investments. Terna's strategy is therefore confirmed aimed at combining sustainability and growth to promote the current energy transition and generate greater benefits to Italy and all the stakeholders.

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This press release (the "Press Release") (including the information contained herein) does not constitute or is part of an offering or an invitation to purchase the Notes issued by the Company. Furthermore, this Press Release does not constitute a recommendation by the Company or any other party to sell or buy the Notes, neither a prospectus or other offering document. No action has been taken or will be taken by the Company that would permit an offering to sell or an invitation to purchase the Notes in any jurisdiction where actions for such purposes are required. It is forbidden to distribute this Press Release in any jurisdiction where actions for such purpose are required. Persons into whose possession this Press Release comes are required to inform themselves about and to observe any such restrictions. In particular, this Press Release (including the information contained herein) does not constitute or is part of an offering of the Notes in the United States of America, Japan, Australia or Canada and any other jurisdiction where the extension, dissemination or availability of the transaction (and any other transaction contemplated thereby) would breach any applicable law or regulation or require registration of such Securities in the relevant jurisdiction (the "Restricted Jurisdictions"). This Press Release shall not be distributed, directly or indirectly, in such Restricted Jurisdictions. The Notes have not been and will not be registered under the United States Securities Act of

1933, as subsequently amended (the "Securities Act"), nor under any law applicable to financial instruments of the United States of America or any other Restricted Jurisdiction and may not be offered or sold neither in the United States of America without a registration or a specific exemption from registration under the Securities Act nor in a Restricted Jurisdiction. The distribution of this Press Release may be restricted by regulatory provisions. Individuals in jurisdictions where this release is distributed, published or circulated should inform themselves of and comply with such restrictions. In the United Kingdom this Press Release is directed only to: (i) persons who have professional experience in matters relating to investments falling within Article 19(5) of the Financial Services and Markets Act 2000 (Financial Promotion) Order 2005, as amended (the "Order"), and qualified investors under Article 49(2) from (a) to (d) of the Order, and (ii) to whom this Press Release may otherwise be lawfully communicated (together being referred to as "Relevant Persons"). This Press Release must not be acted or relied upon by persons who are not Relevant Persons. Any investment or investment activity, to which this Press Release relates, is considered in the exclusive interest of and only addressed to the Relevant Persons and will be undertaken only with Relevant Persons. Any person who is not a Relevant Person should not act on or rely on this release. The documentation relating to the issuance of the Notes is not and will not be approved by CONSOB (the Italian Securities Exchange Commission) pursuant to the applicable laws. Therefore, the Notes may not be offered, sold or distributed to the public in the territory of the Republic of Italy, other than to qualified investors, as defined by Article 2(1)(e) of the Regulation (EU) 2017/1129 of the European Parliament and of the Council of 14 June 2017 (the "Prospectus Regulation") and any applicable legal or regulatory provision or in other circumstances in which an exemption from the obligation to publish a prospectus is applied, by Article 35(1)(d) of CONSOB Regulation No. 20307 of 15 February 2018, pursuant to Article 100 of Legislative Decree No. 58 of 24 February 1998 (the "Consolidated Finance Act"), and pursuant to Article 34-ter of CONSOB Regulation No. 11971 of 14 May 1999 (the "Issuers Regulation"), as amended from time to time, or in the other circumstances set forth under Article 100 of the Consolidated Finance Act or the Issuers' Regulation or the Prospectus Regulation, in any case in compliance with laws and regulations or requirements imposed by CONSOB or other Italian Authority.