Proxy form - undecies - annual shareholders meeting

‌MONTE TITOLI S.p.A., with registered office in Milan, Piazza degli Affari No. 6, Tax Code No. 03638780159, belonging to the Euronext Group, Group VAT No. 10977060960 (hereinafter "Monte Titoli"), acting in the capacity of "Designated Representative", pursuant to Article 135-undecies of Legislative Decree 58/1998 and the Company Bylaws, of ENERGY S.p.A. (hereinafter the "Company"), in the person of its specifically tasked employee or associate, gathers voting proxies in relation to the Ordinary General Meeting of ENERGY to be held exclusively by means of telecommunications on 29 April 2026, at 2:00 p.m. first call, and, if necessary, on second call on 30 April 2026 same time, as set forth in the notice of the shareholders' meeting published on the Company's website at www.energyspa.com in the section "Governance/Shareholders' Meeting section" on 14 April 2026, and, in abridged form, in the Italian daily newspaper "Italia Oggi".

‌The form of proxy with the relating voting instructions shall be received, in original, by Monte Titoli by the end of the second open market day preceding the date set for the Meeting ( i.e., by 11:59 p.m. of 27 April 2026 (on first call and of 28 April 2026 on second call)). The proxies and voting instructions may be revoked within the same deadline.

‌Complete with the information requested at the bottom of the form

(*) Mandatory. (**) It is recommended to fill. MONTE TITOLI S.p.A.

in quality of (tick the box that interests you) (*)

• legal representative or subject with subject with power of sub-delegation (copy of the documentation of the powers of representation to be enclosed)

  □ pledge □ bearer □ usufructuary □ custodian □ manager □ other (specify) ………………………………………………………………………………………………

  (complete only if the shareholder is different from the proxy signatory)

Name Surname / Denomination (*)

Born in (*) On (*) Tax identification code or other identification if foreign (*)

Registered office / Resident in (*)

Related to

‌DELEGATES MONTE TITOLI S.P.A. to participate and vote in the Shareholders' Meeting indicated above as per the instructions provided below.

DECLARES

AUTHORIZES Monte Titoli and the Company to the processing of their personal data for the purposes, under the conditions and terms indicated in the following paragraphs.

(Place and Date) * (Signature) *

intended for the Designated Representative only - Tick the relevant boxes

The undersigned signatory of the proxy (Personal details)(3)

(indicate the holder of the right to vote only if different -name and surname / denomination)

Hereby appoints Monte Titoli to vote in accordance with the voting instructions given below at Ordinary General Meeting of ENERGY to be held exclusively by means of telecommunications on 29 April 2026, at 2:00 p.m. on first call, and, if necessary, on second call on 30 April 2026 same time.

Please note that Shareholders can make additions to the Agenda and new proposals within the legal deadlines: Shareholders are invited to check updates of this form on the Issuer's website, in accordance with the provided resolutions.

(Place and Date) * (Signature) *

(Place and Date) * (Signature) *

INSTRUCTIONS FOR THE FILLING AND SUBMISSION

The person entitled to do so must request the depositary intermediary to issue the communication for participation in the shareholders' meeting referred to the Art. 83-sexies, Legislative Decree 58/1998)

1. Indicate the number of the securities custody account and the denomination of the depositary intermediary. The information can be obtained from the account statement provided by the intermediary.

2. Indicate the Communication reference for the Shareholders' Meeting issued by the depositary intermediary upon request from the person entitled to vote.

3. Specify the name and surname/denomination of the holder of voting rights (and the signatory of the Proxy Form and voting instructions, if different).

   • Pursuant to Article 135-undecies, paragraph 3, of Legislative Decree no. 58/1998, "The shares for which the proxy was granted, in full or in part, are counted for the purposes of determining that the meeting has been validly convened. In relation to proposals for which voting instructions were not given, the shareh older's shares do not count towards the calculation of the majority and the proportion of capital required for the approval of resolutions."

   • With reference to every items of the Agenda, if significant circumstances occur which are unknown at the time of granting the proxy (i.e. absence of proposals of the Board of Directors or absence of proposals indicated by the proposer in the terms of the law and issued by the Company), or if amendments or additions are made to the proposed resolutions put forward to the meeting and which cannot be notified to the proxy grantor, it is possible to choose from the following options: a) confirmation of the voting instruction already expressed; b) modification of the voting instruction already expressed; c) revocation of the voting instruction already expressed. In case no choices is effected by the delegating party, will, as far as possible, confirm the voting instructions given in the main section. If it is not possible to vote according to the instructions given, Monte Titoli will abstain on these matters.

The form of proxy with the relating voting instructions shall be received, in original, by Monte Titoli by the end of the second open market day preceding the date set for the Meeting (i.e., by 11:59 p.m. of 27 April 2026 ( on first call and of 28 April 2026 on second call))

− a copy of an identification document with current validity of the proxy grantor or

− in case the proxy grantor is a legal person, a copy of an identification document with current validity of the interim legal representative or other person empowered with suitable powers, together with adequate documentation to state its role and powers

by one or other of the following two methods:

1. transmission of an electronically reproduced copy (PDF) to the certified email address RD@pec.euronext.com (subject line "Proxy for ENERGY Shareholders' Meeting April 2026") from one's own certified email address (or, failing that, from one's own ordinary email address, in which case the proxy with voting instructions must be signed with a qualified or digital electronic signature);

2. transmission of the original, by courier or registered mail with return receipt, to the following address: RegisterServices Area of Monte Titoli S.p.A., Piazza degli Affari n. 6, 20123 Milano (Ref. " Proxy for ENERGY Shareholders' Meeting April 2026"), sending a copy reproduced electronically (PDF) in advance by ordinary e-mail to RD@pec.euronext.com (subject line: " Proxy for ENERGY Shareholders' Meeting April 2026")

N.B. For any additional clarification regarding the issue of proxies (and in particular regarding how to complete and send the proxy form and voting instructions), authorized to participate in the general meeting can contact Monte Titoli S.p.A. by email to the following address RegisterServices@euronext.com or by phone at (+39) 02.33635810 during open office hours from 9:00 a.m. to 5:00 p.m. (UTC+1).

Monte Titoli's privacy policy is available at the link: Corporate Data and Legal Info | euronext.com

ENERGY S.p.A.'s privacy policy

In accordance with Article 13 of Regulation (EU) 2016/679 ("GDPR"), we hereby inform you that the personal data provided by you to the Company, or otherwise acquired by the same, may be processed in compliance with the applicable legislation.

Please note that, under the applicable legal framework, "processing" shall mean any operation or set of operations performed upon personal data, regardless of the means and procedures applied, including, by way of example, collection, recording, organisation, storage, consultation, processing, modification, selection, extraction, comparison, use, interconnection, restriction, communication, disclosure, erasure and destruction of data, even if not recorded in a database.

This notice enables you to understand the nature of the personal data that will be included in the Register, the purposes and methods of their processing, any third-party recipients, as well as the rights granted to you under the GDPR.

1. Personal Data Processed

   Below is a list of your personal data - which may be supplemented from time to time - that the Data Controller may process:

   1. personal identification data (first name, last name, date of birth, full residential address);

   2. tax data (tax identification number);

   3. other identification data (personal or professional telephone number and identification details of the company to which you belong).

      The above-mentioned personal data shall be processed in order to enable the Data Controller to comply with obligations imposed under the aforementioned provisions of European and Italian law, as well as to fulfil tax and contractual obligations.

      In this respect, please note that any failure to provide, or incorrect provision of, such data may result, inter alia, in the Company being unable to:

      • verify and ensure that the processing results comply with the obligations imposed by European legislation on which such processing is based;

      • properly establish or continue the contractual relationship with you, to the extent that such data are necessary for its performance.

2. Purposes of Processing

   The personal data, requested or collected for the purpose of registering you in the relevant Register, shall be processed by the Data Controller for the following purposes:

   1. to properly manage obligations arising under Italian and European legislation;

   2. to comply with obligations imposed by authorities empowered by law, as well as supervisory and control bodies;

   3. to establish, exercise or defend legal claims (including contractual breaches, formal notices, settlements, debt recovery, arbitration proceedings and litigation), including by third parties.

3. Data Processors and Authorized Persons

   Your data may be processed by authorised personnel (including directors, officers, statutory auditors, internal administrativ e staff, accounting and invoicing personnel, marketing staff, and technical support staff) and/or, where appointed, by external data processors, whose list is available upon specific written request to the Data Controller.

4. Disclosure of Data to Third Parties

   Within the limits of the purposes set out in Section 2 above, your data may be disclosed by the Company to the following natural or legal persons:

   • entities to whom disclosure is required or permitted by law, regulations or EU legislation, within the limits necessary for the relevant purpose;

   • parent companies, subsidiaries and affiliates of the Data Controller, as well as their employees or consultants, for complian ce with legal obligations or for activities connected with the management of the contractual relationship;

   • parties entrusted with obligations incumbent upon the Company and/or relating to your contractual relationship, in particular accounting obligations;

   • persons acting as external data processors on behalf of the Data Controller, whose list is available and regularly updated;

   • external IT system and software maintenance providers, in the event of malfunctions or security issues, for the time strictly necessary to restore functionality;

   • persons who need access to your data to ensure the proper performance of the contractual relationship, within the limits strictly necessary to perform ancillary tasks (e.g., banks, shipping agents, etc.).

   In addition, your personal data may be shared within the Group, in a confidential and restricted manner, where necessary for purposes strictly related to the management and organisation of the contractual relationship.

5. Transfers Abroad

   We further inform you that the current organisational structure of the Company does not require the transfer of your personal data outside the European Union.

   However, data may be transferred abroad, including to non-EU countries, subject to the adoption of appropriate safeguards as required by the GDPR. The list of recipients is always available

   upon request to the Company.

6. Data Controller

The Data Controller is Energy S.p.A., with registered office in Rovereto (TN), Piazza Manifattura No. 1, registered with the Companies Register of Trento, Tax Code and VAT No. 02284640220. You may at any time submit any request concerning the processing of your personal data or exercise your rights under the GDPR by sending a communication to the above postal address or by email to: info@energysynt.com.

Methods of Processing

The Data Controller shall process your personal data by carrying out all necessary operations using both paper-based and electronic means, in full compliance with applicable law, ensuring strict confidentiality, relevance and proportionality with respect to the purposes described above.

In any event, your data shall not be retained for a period exceeding five (5) years, in order to comply with legal obligation s arising under European legislation on market abuse. All processing operations shall be carried out in full compliance with the security measures prescribed by applicable law.

Data Subject Rights

We further inform you that, at any time and without any formalities, you may exercise the rights set out in Articles 15 -22 of the GDPR (including, by way of example, the right of access, rectification, updating and, where applicable, erasure of personal data) by submitting a request to the Data Controller or to the Data Processor, available at the Company's registered office. Should you consider that the processing of your personal data infringes applicable data protection laws, you have the right to lodge a complaint with the competent supervisory authority (https://www.garanteprivacy.it).

Without prejudice to the foregoing, you may at any time request the Data Controller to restrict the processing of your personal data, except where such processing is directly or indirectly necessary for the Company to comply with legal obligations or is otherwise essential for the management of your contractual relationship.

Article 126-bis

(Integration of the agenda of the shareholders' meeting and presentation of new proposed resolutions)

1. Shareholders, who individually or jointly account for one fortieth of the share capital may ask, within ten days of publication of the notice calling the shareholders' meeting, or within five days in the event of calling the meeting in accordance with article 125-bis, subsection 3 or article 104, subsection 2, for the integration of the list of items on the agenda, specifying in the request, the additional items they propose or presenting proposed resolution on items already on the agenda. The requests, together with the certificate attesting ownership of the share, are presented in writing, by correspondence or electronically, in compliance with any requirements strictly necessary for the identification of the applicants indicated by the company. Those with voting rights may individually present proposed resolutions in the shareholders' meeting. For cooperative companies the amount of the capital is determined by the statutes also in derogation of article 135.

2. Integrations to the agenda or the presentation of further proposed resolutions on items already on the agenda, in accordance with subsection 1, are disclosed in the same ways as prescribed for the publication of the notice calling the meeting, at least fifteen days prior to the date scheduled for the shareholders' meeting. Additional proposed resolutions on items already on the agenda are made available to the public in the ways pursuant to article 125-ter, subsection 1, at the same time as publishing news of the presentation. Terms are reduced to seven days in the case of shareholders' meetings called in accordance with article 104, subsection 2 or in the case of a shareholders' meeting convened in accordance with article 125-bis, subsection 3.

3. The agenda cannot be supplemented with items on which, in accordance with the law, the shareholders' meeting resolved on proposal of the administrative body or on the basis of a project or report prepared by it, other than those specified under article 125-ter, subsection 1.

4. Shareholders requesting integration in accordance with subsection 1 shall prepare a report giving the reason for the proposed resolutions on the new items for which it proposes discussion or the reason relating to additional proposed resolutions presented on items already on the agenda. The report is sent to the administrative body within the final terms for presentation of the request for integration. The administrative body makes the report available to the public, accompanied by any assessments, at the same time as publishing news of the integration or presentation, in the ways pursuant to article 125-ter, subsection 1.

5. If the administrative body, or should it fail to take action, the board of auditors or supervisory board or management control committee fail to supplement the agenda with the new items or proposals presented in accordance with subsection 1, the court, having heard the members of the board of directors and internal control bodies, where their refusal to do so should prove to be unjustified, orders the integration by decree. The decree is published in the ways set out by article 125-ter, subsection 1.

Article 135-decies

(Conflict of interest of the representative and substitutes)

1. Conferring proxy upon a representative in conflict of interest is permitted provided that the representative informs the shareholder in writing of the circumstances giving rise to such conflict of interest and provided specific voting instructions are provided for each resolution in which the representative is expected to vote on behalf of the shareholder. The representative shall have the onus of proof regarding disclosure to the shareholder of the circumstances giving rise to the conflict of interest. Article 1711, second subsection of the Italian Civil Code does not apply.

2. In any event, for the purposes of this article, conflict of interest exists where the representative or substitute:

   1. has sole or joint control of the company, or is controlled or is subject to joint control by that company;

   2. is associated with the company or exercises significant influence over that company or the latter exercises significant influence over the representative;

   3. is a member of the board of directors or control body of the company or of the persons indicated in paragraphs a) and b);

   4. is an employee or auditor of the company or of the persons indicated in paragraph a);

   5. is the spouse, close relative or is related by up to four times removed of the persons indicated in paragraphs a) to c);

   6. is bound to the company or to persons indicated in paragraphs a), b), c) and e) by independent or employee relations or other relations of a financial nature that compromise independence.

3. Replacement of the representative by a substitute in conflict of interest is permitted only if the substitute is indicated by the shareholder. In such cases, subsection 1 shall apply. Disclosure obligations and related onus of proof in any event remain with the representative.

4. This article shall also apply in cases of share transfer by proxy.

Article 135-undecies

(Designated representative of a listed company)

1. Unless the Articles of Association decree otherwise, companies with listed shares designate a party to whom the shareholders may, for each shareholders' meeting and within the end of the second trading day prior to the date scheduled for the shareholders' meeting, including for callings subsequent to the first, a proxy with voting instructions on all or some of the proposals on the agenda. The proxy shall be valid only for proposals on which voting instructions are conferred.

2. Proxy is conferred by signing a proxy form, the content of which is governed by a Consob regulation. Conferring proxy shall be free of charge to the shareholder. The proxy and voting instructions may be cancelled within the time limit indicated in subsection 1.

3. Shares for which full or partial proxy is conferred are calculated for the purpose of determining due constitution of the shareholders' meeting. With regard to proposals for which no voting instructions are given, the shares are not considered in calculating the majority and the percentage of capital required for the resolutions to be carried.

4. The person designated as representative shall any interest, personal or on behalf of third parties, that he or she may have with respect to the resolution proposals on the agenda. The representative must also maintain confidentiality of the content of voting instructions received until scrutiny commences, without prejudice to the option of disclosing such information to his or her employees or collaborators, who shall also be subject to confidentiality obligations. The party appointed as representative may not be assigned proxies except in compliance with this article.

5. By regulation pursuant to subsection 2, Consob may establish cases in which a representative failing to meet the indicated terms of Article 135-decies may express a vote other than that indicated in the voting instructions.

Article 135-undecies-1

(Designated representative of a listed company)

1. The bylaws may provide that participation in the assembly and the exercise of voting rights occur exclusively through the representative appointed by the company pursuant to Article 135-undecies. The appointed representative may also be given delegations or sub-delegations pursuant to Article 135-novies, in derogation of Article 135-undecies, paragraph 4.

2. The submission of proposals for deliberation are not permitted at the assembly. Notwithstanding what is provided in Article 126-bis, paragraph 1, first period, those entitled to vote may individually submit proposals for resolutions on agenda items or proposals permitted by law up to the fifteenth day preceding the first or only convocation of the assembly. These resolution proposals are subsequently made available to the public on

   the company's website within two days following the deadline. The validity of the individual resolution submissions is contingent upon the company receiving the communication provided for in Article 83-sexies.

3. The right to ask questions referred to in Article 127-ter is exercised only before the meeting. The company shall provide answers to the questions received at least three days before the meeting.

4. Paragraph 1 also applies to companies admitted to trading on a multilateral trading market.

Art. 2393 (Directors liability action)

1. The liability action against the directors is started upon resolution of the meeting also when the company is in liquidation.

2. The resolution concerning the directors' liability can be adopted on the occasion of the discussion of the financial statements, although not indicated in the item of the agenda, when it concerns circumstances occurred in the same financial year.

3. The liability action can also be started upon resolution of the Supervisory Board adopted by two thirds of its members.

4. The action must be started within five years from the termination of office of the director.

5. The resolution concerning the directors' liability action implies the revocation from office of the directors against whom it is started, provided that it is approved by at least one fifth of the share capital. In this case the meeting provides for their replacement.

6. The company can waive the directors' liability action and can compromise, provided that the waiver and the settlement are expressly approved by the meeting and provided also that a minority of shareholders representing at least one fifth of the share capital does not vote against or, in case of issuers of financial instruments widely distributed among the public, at least one twentieth of the share capital or the different quantity provided for by the by-laws for the exercise of the directors' liability action pursuant to first and second paragraph of art. 2393-bis.

Art. 11 (Conduct of shareholders' meetings of listed Companies)

1. After article 135-undecies of the consolidated text referred to in legislative decree 24 February 1998, n. 58, the following is inserted: «Art. 135-undecies.1 (Intervention at the meeting through the designated representative). - 1. The company bylaws may provide that participation in the shareholders meeting and the exercise of voting rights take place exclusively through the representative designated by the company pursuant to article 135-undecies. The designated representative may also be granted proxies or sub-proxies pursuant to article 135-novies, in derogation of article 135-undecies, paragraph 4.

2. The presentation of proposed resolutions at the meeting is not permitted. Without prejudice to the provisions of article 126-bis, paragraph 1, first sentence, those who have the right to vote may individually present resolution proposals on the items on the agenda or proposals whose presentation is otherwise permitted by law within the fifteenth day prior to the date of the first or only meeting call. The proposed resolutions are made available to the public on the company's website within two days following the expiry of the deadline. Legitimation for the individual submission of proposed resolutions is subject to the company's receipt of the communication required by article 83-sexies.

3. The right to ask questions referred to in article 127-ter is exercised only before the meeting. The company provides answers to the questions received at least three days before the shareholders meeting. […]

Article 13.3 of the Articles of Association of Energy S.p.A.

13.3 The Company may exercise the option to provide that participation by shareholders and the exercise of voting rights at ordinary and extraordinary shareholders' meetings shall take place exclusively through the proxy representative designated by the Company pursuant to Article 135-undecies of the Italian Consolidated Financial Act (Testo Unico della Finanza), where permitted by, and in compliance with, the laws and regulations in force from time to time

NOTE: English translation for convenience only. Only the Italian version is authentic.

MONTE TITOLI S.p.A.