May 19, 2022

Publication of the Notice of the Meeting, of the proxy forms and of the information on the share capital as well as of the Explanatory Report of the Board of Directors on the fourth item (Election of the Board of Statutory Auditors) on the agenda.

Publication of the extract of the Notice of the Meeting on at least one newspaper

Deadline for the publication of the Explanatory Reports of the Board of Directors on the following items on the agenda: first item (Financial statements as of December 31, 2021. Reports of the Board of Directors, of the Board of Statutory Auditors and of the External Auditor. Related resolutions. Presentation of the consolidated financial statements for the year ended on December 31, 2021 and of the consolidated non-financial statement related to the financial year 2021), second item (Allocation of the annual net income), fifth item (Determination of the remuneration of the regular members of the Board of Statutory Auditors) and sixth item (Long term incentive Plan 2022 reserved to the management of Enel S.p.A. and/or of its subsidiaries pursuant to Article 2359 of the Italian Civil Code, together with the Information Document related to the aforementioned Plan)

Deadline for the supplementation of the agenda and for the submission of resolution proposals on the part of Shareholders holding at least 2.5% of the share capital (Article 126-bis, paragraph 1, first period of Legislative Decree no. 58 of February 24, 1998).

Deadline, for Shareholders holding at least 0.5% of the share capital, for filing candidate slates for the office of regular and alternate Statutory Auditors (Article 148, paragraph 2, and Article 147-ter, paragraph 1-bis, of Legislative Decree no. 58 of February 24, 1998 and Article 144-sexies, paragraph 4, of the Issuers’ Regulation)

Deadline for the publication of the following documents:

• Annual Financial Report 2021
• Consolidated non-financial statement 2021
• Report on the corporate governance and on the ownership structure 2021

Deadline for the publication of the Explanatory Reports of the Board of Directors on the following items on the agenda: third item (Authorization for the acquisition and the disposal of treasury shares, subject to the revocation of the authorization granted by the ordinary Shareholders’ Meeting held on May 20, 2021. Related resolutions) and seventh item (Report on the remuneration policy and compensations paid: First section: report on the remuneration policy for 2022 (binding resolution); Second section: report on the compensations paid in 2021 (non-binding resolution), together with the Report on the remuneration policy for 2022 and compensations paid in 2021)

Deadline for:

• submission, by the Shareholders who have filed candidate slates for the office of Statutory Auditors (regular and alternate), of the notice certifying their shareholding in order to submit the same slates (Article 144-sexies, paragraph 4-quater, of the Issuers’ Regulation)
• publication by the Company of the candidate slates for the office of Statutory Auditors (regular and alternate), filed by April 26, by Shareholders holding at least 0.5% of the share capital (Article 144-octies of the Issuers’ Regulation)

Deadline for filing candidate slates for the office of Statutory Auditors (regular and alternate) in case of re-opening of the term pursuant to Article 144-sexies, paragraph 5, of the Issuers’ Regulation

Publication on the part of the Company, on its website, of resolution proposals on the items on the agenda (if any) submitted by those entitled to vote (Article 126-bis, paragraph 1, third period, of Legislative Decree no. 58 of February 24, 1998)

Record date for the right to attend the Meeting and exercise the voting rights

Deadline for filing with the Company, on the part of those entitled to vote, questions before the Meeting on the items on the agenda (Article 127-ter of Legislative Decree no. 58 of February 24, 1998)

Deadline for the notification of the proxy to the Exclusive Proxy Computershare S.p.A., in its capacity as “representative appointed” pursuant to Article 135-undecies of Legislative Decree no. 58 of February 24, 1998

Deadline for the publication on the part of the Company, on its website, of the answers to the questions on the items on the agenda received by May 10 from those entitled to vote (Article 127-ter of Legislative Decree no. 58 of February 24, 1998)

Recommended deadline for the submission of “ordinary” proxies and/or sub-proxies to the Exclusive Proxy Computershare S.p.A. pursuant to Article 135-novies of Legislative Decree no. 58 of February 24, 1998 and Article 106, paragraph 4, of Law Decree no. 18 of March 17, 2020 converted with amendments by law no. 27 of April 24, 2020

Ordinary Shareholders’ Meeting

Deadline for the publication, on the part of the Company, of the summary of the Meeting resolutions and voting results (Article 125-quater, paragraph 2, of Legislative Decree no. 58 of February 24, 1998)

Deadline for the publication, on the part of the Company, of the minutes of the Meeting (Article 125-quater, paragraph 2, of Legislative Decree no. 58 of February 24, 1998)