May 24, 2018

Publication of the Notice of the Meeting, of the proxy forms and of the information on the share capital.

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

Deadline for the publication of the following documents:

• Explanatory Report and resolution proposal of the Board of Directors on the first item of the ordinary meeting agenda (Financial statements as of December 31, 2017. 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, 2017 and of the consolidated non-financial statement related to the financial year 2017).
• Explanatory Report and resolution proposal of the Board of Directors on the second item of the ordinary meeting agenda (Allocation of the annual net income and distribution of available reserves).
• Explanatory Report and resolution proposal of the Board of Directors on the fourth item of the ordinary meeting agenda (Adjustment of the fees charged for the statutory audit assignment concerning financial years 2018 and 2019 pursuant to changes in the law).
• Explanatory Report and resolution proposal of the Board of Directors on the fifth item of the ordinary meeting agenda (Long term incentive Plan 2018 reserved to the management of Enel S.p.A. and/or of its subsidiaries pursuant to Article 2359 of the Italian Civil Code).
  
• Explanatory Report and resolution proposal of the Board of Directors on the sixth item of the ordinary meeting agenda (Remuneration Report).
• Information Document related to the Long term incentive Plan 2018 of Enel S.p.A.

Deadline for the publication of the following documents:

• Annual Financial Report 2017;
• Non-financial statement 2017;
• Report on the corporate governance and on the ownership structure 2017.
   

Deadline for the right to add items on the agenda and/or to submit new resolution proposals.

Deadline for the publication of the following documents:

• Explanatory report and resolution proposal of the Board of Directors of Enel S.p.A. on the third item of the ordinary meeting agenda (Authorization for the acquisition and the disposal of own shares, subject to the revocation of the authorization granted by the ordinary Shareholders’ Meeting held on May 4, 2017. Related resolutions).
  
• Explanatory report and resolution proposal of the Board of Directors of Enel S.p.A. on the sole item of the extraordinary meeting agenda (Amendment of the Corporate Bylaws: integration of Article 21 (power of the Board of Directors to establish among its members committees having proposing and/or consultative functions); deletion of Article 31 (transitory rule on gender balance in the composition of the Board of Directors and of the Board of Statutory Auditors)).
  
• Remuneration Report 2018.

Deadline for the publication of the items added on the agenda and/or of the new resolution proposals (if any) pursuant to Article 126-bis, paragraph 2, of the Consolidated Financial Act.

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

Deadline for filing the questions before the Meeting.

Deadline for the notification of the proxy to the representative appointed by the Company.

Ordinary and extraordinary Shareholders’ Meeting.

Deadline for the publication of the summary of the Meeting resolutions and voting results.

Deadline for the publication of the minutes of the Meeting.