Athens Water Supply and Sewerage S A : Terms and Conditions for participating remotely in GM

Conditions for remote participation in the Ordinary General Meeting of Shareholders

of the limited company under the name

Athens Water Supply and Sewerage Company (EYDAP S.A.)

The Athens Water Supply and Sewerage Company (EYDAP S.A.) (the "Company") will hold its Ordinary Shareholders' Meeting on July 11 , 2024 or its possible repeat on July 22, 2024, with the physical presence of the Shareholders as well as the possibility of remote participation in real time using electronic means.

The participation of the Shareholders in the General Meeting is subject to the present terms and conditions of remote General Meeting (the " Terms of remote General Meeting" ). Capitalized terms used have the meaning set forth in the Appendix hereto.

In addition to these Terms of Remote General Assembly, the Terms of Use of Third Party Providers also apply.

E suit reserves the right at any time to modify, suspend, cancel or limit the mechanisms for the electronic General Assembly and voting when this is necessary or appropriate for technical reasons or for security reasons.

1. Introductory remarks

1.1. How can I participate and vote in the General Assembly?

In order for Shareholders who want to participate and vote remotely in the Meeting or any Repeated Meeting thereof, it is required to create and use an electronic account of the Shareholder or his/her representative on the electronic platform developed by the Hellenic Stock Exchange Group - Athens Stock Exchange S.A. for the provision of services for holding General Meetings remotely in real time via video conference to issuing companies on the websitehttps://axia.athexgroup.gr.

The online platform is provided by EL.K.A.T., while the ZOOM Meetings service from Zoom Video Communications, Inc. is used for the video conference .

It is noted that the Online Platform is also accessible in English, on the website https://axia.athexgroup.gr/en/home

1.2. How do I access the Online Platform?

Access to the electronic platform requires a computer or mobile phone such as a smartphone or tablet, with an installed web browsing application (browser) and the ability to access the internet (internet).

Terms and conditions of a remote General Meeting of Shareholders

1.3. How do I create an account on the Online Platform?

In order to create the account of the Shareholder or his representative on the above electronic

platform, the valid e-mail address (email) and the mobile phone of the Shareholder or his possible

representative are required.

1.4. What do I do if the information entered on the Platform does not correspond to the information entered on the SAT?

In the event that upon entering the electronic platform the above information entered by the Shareholder does not match the information registered in the Intangible Securities System and notified to the Company by the "Hellenic Central Depository of Securities S.A." or through intermediaries, within the framework of the services to facilitate the identification of Shareholders at remote General Meetings that it provides to the issuing public limited companies in accordance with Part 3 of No. 8 decision of the Board of Directors. of Hellenic Central Securities Depository S.A. "Technical conditions and procedures for the provision of the Registry Service, Corporate & Other Related Acts" as well as the "Terms and conditions of a remote General Meeting of Shareholders" form,

the Shareholder should update or update the above information in order to create the account .

1.5. How can I confirm that I have successfully logged in to the Online Platform?

Shareholders who have successfully connected to the Online Platform will be able to participate in the General Meeting via video conference in real time via a link that will be sent to them via email.

1.6. What rights can I exercise through the Online Platform?

Zoom teleconferencing application through the link at the start of the General Assembly, Shareholders will be able to:

1. monitor the conduct of the General Assembly by electronic or audio-visual means,
2. take the floor and address the General Assembly orally during the General Assembly, while at the same time through the Online Platform they will be able to:
3. vote in real time on the agenda item and,
4. to receive information about the registration of their vote.

The deadlines within which the rights of the Shareholders can be exercised are included in detail in the Invitation to the General Meeting and in the present Remote General Meeting Terms, while the time period that will be allocated for voting will be announced during the General Meeting.

1.7. Can I participate and vote in real time by proxy at the General Meeting through the Online Platform?

Yes, every Shareholder participates in the General Assembly and votes either in person or through a proxy.

Specifically for the participation of the Shareholder through a representative in the General Assembly of the Capital Water Supply and Sewerage Company (EYDAP S.A.) or any Repeat thereof, remotely in real time via video conference, the Shareholder or his depositary may appoint up to one ( 1)

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Terms and conditions of a remote General Meeting of Shareholders

representative, whose appointment is required to be made at least forty-eight (48) hours before the date of the meeting of the General Assembly (ie no later than 07.09.2024 at 10:00 a.m.) , through the "Representative appointment form for remote participation via video conference" ,which is available in paper form at the Company's Corporate Announcements and Shareholder Services Service ( 156 Oropou, Galatsi, P.O. 111 46, 2102144479 ), and in electronic form on theCompany's website (www.eydap . gr), or, in the case of shareholders identified through intermediaries, through confirmations or notifications of articles 5 and 6 of Regulation (EU) 2018/1212 provided by the intermediaries in accordance with what is mentioned in the Invitation .

Upon receipt of the above information by the Company and based on the representative's e-mail address and mobile phone number, as stated in the representation form, the representative's account is created on the online platform , which will be notified by e-mail to proceed with activation of his account to be able to exercise the rights of the Shareholder in accordance with the provisions of the Invitation to the General Assembly.

1.8. Can I participate remotely in the voting before the General Assembly (voting by mail)?

Yes, Shareholders can participate, themselves or their representatives remotely, in voting on the issues of the General Assembly, which will be held before by the General Assembly.

Shareholders who wish to participate remotely in the voting on the issues of the General Meeting that will be held before the General Meeting, can make use of the following:

1. or to exercise the right to vote before the General Assembly through the online platformhttps://axia.athexgroup.grin which they will have previously created an account and successfully registered as above,
2. or to fill in and send, in accordance with what is described in the Invitation, the "Mail Ballot Form", which is available in paper form at the Company's Corporate Announcements and Shareholder Services Service ( Oropou 156, Galatsi, P.O. 111 46, 2102144479 ) , and in electronic form on the Company's website ( www . eydap . gr),
3. or to participate based on confirmations or notifications of articles 5 and 6 of Regulation (EU) 2018/1212 provided by intermediaries as mentioned in the Invitation.

Especially, for the participation of the Shareholder through a representative in the voting on the issues of the General Meeting or any Repeated Meeting to be held before the General Meeting, the

Shareholder or his custodian may appoint up to one (1) representative, the appointment of which is required to be done at least forty-eight (48) hours before the date of the meeting of the General Assembly (i.e. no later than 09.07.2024 and time 1 0:00), through the "Representative appointment form for voting to be held before the General Assembly Meeting", which is available in paper form at the Company's Corporate Announcements and Shareholder Services Service (156 Oropou, Galatsi, P.O. 111 46, 2102144479), and in electronic form on the Company's website (www.eydap.gr), or, in the case of shareholders identified through intermediaries, through confirmations or notifications of articles 5 and 6 of Regulation (EU) 2018/1212 provided by the intermediaries in accordance with what is mentioned in the Invitation.

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Terms and conditions of a remote General Meeting of Shareholders

Upon receipt of the above information by the Company and based on the representative's e-mail address and mobile phone number, as stated in the representation form, the representative's account is created on the online platform, which will be notified by e-mail to activate of his account to be able to exercise the rights of the Shareholder in accordance with the above.

1.9. Until when can I vote before the General Assembly?

Shareholders who vote according to the above before the General Meeting are counted for the formation of the quorum and majority, only if the relevant votes have been received by the Company

no later than 10.07.2024 at 10.00 am.

1. Participation and voting rights in the General Assembly

1. When will the General Assembly start its work?

The General Meeting is considered to have started its work with the announcement of its opening by the President of the Meeting to the Shareholders.

Each Shareholder can participate, effectively monitor the work of the General Assembly and vote in real time electronically, provided that he has taken the necessary actions mentioned in the Invitation to the General Assembly to create and use an electronic account on the Online Platform and the terms herein and in accordance with the instructions provided in the Invitation.

2.2. How and when should I connect to the Online Platform in order to participate in the General Assembly?

Shareholders in order to participate in the General Meeting must log in through the Online Platform, before the General Meeting and declare that they intend to participate in the General Meeting.

After declaring the intention to participate, the Shareholder will receive a personalized informative message via e-mail with the link to be followed in order to connect to the video conference of the General Assembly.

On the date of the General Meeting, in order to participate in its work, Shareholders must log in on time via the Online Platform, at least fifteen minutes (15') before the start time of the General Meeting announced in the Invitation, and state the number of of voting rights with which they will participate in the nth General Assembly and will also vote, if they wish to amend it (towards the smallest).

2.3. Can I participate in English?

It is noted that Shareholders who wish to do so will be able to attend the General Assembly in English by telephone, according to the detailed participation instructions that will be sent to them.

2.4. If I don't log in in time, will I be able to vote?

No, Shareholders who have not connected to the Online Platform in time before the start of the General Meeting and until the announcement of the start of its work by the President of the Meeting, will not be counted among the Shareholders attending the General Meeting, they will not be able to exercise the right to vote or to take the floor and ask questions at the General Assembly and will only be able to watch the live stream of the General Assembly via video conference.

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Terms and conditions of a remote General Meeting of Shareholders

2.5. What if I have not appointed an agent or representative?

Shareholders who have not met the deadline for appointing their proxy or representative (i.e. at least 48 hours before the date of the General Meeting), and will have nevertheless connected in time through the Online Platform before the start of the General Meeting in accordance with above, they will participate in the General Assembly, unless the General Assembly refuses for an important reason and justifies its refusal.

In this case, (i.e. if the General Meeting refuses for an important reason) they will not be counted among the Shareholders attending the General Meeting and will only be able to watch the live stream of the General Meeting via video conference.

2.6. What are my rights after I log in on time and according to the formalities?

Shareholders who have complied with the above formalities and have connected in time to the Online Platform before the start of the General Meeting:

1. are deemed to be present in person at the General Meeting,
2. are calculated for the calculation of the quorum of the Shareholders present or represented at the General Meeting and for the calculation of the percentage of the issued share capital of the Company that is present or represented at the General Meeting with the number of voting rights they declared to exercise,
3. they will be able to follow the conduct of the General Assembly by electronic or audio-visual means,
4. they will be entitled to vote in real time during the General Assembly on the subject of the agenda at the time announced by the President of the General Assembly,
5. they will be able to take the floor and address the General Assembly orally during the General Assembly,
6. they will receive information about the registration of their vote.

2.7. How will I be registered?

The names of Shareholders registered as participants in the General Meeting through the Online Platform will be included in the list of Shareholders attending the General Meeting in person or by proxy (if any).

2.8. What happens if I log out early?

Any early disconnection of the Shareholder who had connected in time in accordance with the above from the Online Platform before the end of the General Meeting, does not affect the calculation of the quorum of the Shareholders present or represented at the General Meeting during his connection period.

This Shareholder will be able to re-connect to the Online Platform, continue to follow the rest of the Meeting and exercise all his participation and voting rights electronically. In all other cases, Shareholders will only be able to watch the live stream of the General Assembly via video conference.

2.9. How can I take the floor during the General Assembly?

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Terms and conditions of a remote General Meeting of Shareholders

Shareholders who wish to take the floor through the Online Platform at the time of the Meeting should press the sign that will be on the right side of the screen with which they will be able to raise their hands through the platform, when the relevant opportunity is given.

2.10. At what point in the General Assembly will I be able to vote?

Shareholders will be able to vote electronically from the point in time when the Chairman of the General Assembly announces the start of voting on the agenda item, after completion of the proposal and discussion on the agenda item, and until the time point when the President of the General Assembly will announce the end of voting.

The President of the General Assembly may also, at his absolute discretion, decide that voting will be possible from the beginning of the General Assembly until the time when he announces the end of voting.

2.11. What about postal voting?

The Shareholders, upon entering the Online Platform, will declare the number of voting rights with which they will participate in the General Assembly and vote and, if they wish, they will modify it (towards the smallest).

For the Shareholders who will participate in the voting on the issues of the General Meeting that will be held before the General Meeting (voting by mail) , voting on the issues on the agenda will be possible exclusively and only for the period of time referred to in condition 1.8 . of the present and in the Invitation of the General Assembly . After this point in time, it will not be possible for Shareholders to participate in a vote on the subject of the agenda that will be held before the General Assembly by postal vote.

Shareholders who voted on time as above will be able to watch the live stream of the General Assembly via video conference.

2.12. Can I revoke my postal vote?

Shareholders who voted on time before the General Meeting by mail will be able to revoke it, according to the following distinctions:

1. if they voted before the General Assembly through the Online Platform, they will be able to revoke their vote through the Online Platform, until the start of the General Assembly.
2. if they voted before the General Assembly by sending the "Letter Voting Form" to the Company, they will be able to revoke their vote in the same way as they submitted it, as long as the Shareholder or the shareholder's representative participates in person via teleconference to the General Meeting of Shareholders and revoke it at least one (1) hour before the meeting of the General Meeting (ie no later than 09.00 a.m. on July 11, 2024 ).

The above Shareholders, if they so wish, will be able to participate in person in the General Meeting under the conditions herein.

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Terms and conditions of a remote General Meeting of Shareholders

3. Voting confirmation and voting results

3.1. I submitted my vote through the Online Platform. Can I revoke it?

No, the submission of the Shareholder's vote via the Online Platform is final and irrevocable subject to the provisions herein.

3.2. Will I receive confirmation of my vote?

Yes, every Shareholder who voted at the General Meeting (including voting by letter) will receive from the "Hellenic Central Depository of Securities S.A." confirmation of the recording of his vote on the subject of the agenda through the Internet Platform after the end of the General Assembly.

3.3. What happens if I do not exercise my stated voting rights?

In the event that during the voting the Shareholder does not fully exercise the voting rights for which he declared that he will participate in the General Assembly, after the end of the General Assembly, he will receive the above confirmation from the "Hellenic Central Depository of Securities S.A." where the remaining rights will be marked as "WAIVER".

3.4. Will I be informed of the results of the vote?

The results of the voting on the issues of the General Assembly will be published on the Company's website in accordance with the law.

4. Technical infrastructure

The Company ensures, to the extent reasonably possible, that the technical infrastructure for conducting and participating in the remote General Assembly is correct, secure and accessible to Shareholders with compatible devices.

The Company will cooperate and make use of the services of reliable Third Party Providers to provide the technical infrastructure required for the holding of the General Assembly.

4.1. What risks exist in relation to the technical infrastructure of the General Assembly?

Shareholders should be aware that there will always be some residual risks in relation to the technical infrastructure used for remote General Meetings.

The Company, through the Third Party Providers, takes all measures, technical and organizational, and makes every effort to ensure to the maximum extent possible the continuous and uninterrupted operation of the Online Platform and the video conferencing application, so that the services available through it be available continuously and without interruption and respond in acceptable times and without delay to Shareholders with compatible devices.

However, due to the nature of the internet and web applications, the Company and Third Party Providers cannot guarantee their absolute completeness, correctness or continuity of operation and may be unavailable on part or all of the internet, or responsive with interruptions, or, finally, to respond in times longer than usual. In cases such as the above, the Company and the Third Party Providers will make every effort to restore their operation, but beyond that, the Company and the

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Terms and conditions of a remote General Meeting of Shareholders

Third Party Providers cannot be held responsible or held legally liable for the availability or time their response.

4.2. What measures should I take in relation to the protection of information systems?

It is recommended that Shareholders take every measure to protect the integrity and security of their information systems, hardware and software, so as to adequately protect the access data and usage data of the Online Platform, which are stored on the local storage media of the Shareholders' devices, portable or non.

Any failure of the Shareholders' systems or leakage of login or usage data due to the intrusion of malicious software into the Shareholder's operating system, does not release the latter from its obligations under these terms, does not constitute an event of force majeure or an extraordinary condition, nor does it imply any liability of the Company or the Hellenic Central Securities Depository S.A. as the provider of the platform for the loss that the Shareholder may suffer.

Also, the Shareholder is solely responsible for his personal equipment with the necessary technical means, which will allow him access to the Online Platform.

4.3. What should I ensure before the nth General Assembly?

Shareholders must, before the start of the General Assembly meeting, check their connection and ensure that they have access to the Online Platform and have correctly installed and configured the Zoom video conference application .

The Company has ensured through the Third Party Providers the timely implementation of the technical infrastructure for the Online Platform in order to allow the Shareholders to control their access and verify that they can effectively participate in the General Meeting.

4.4. Will there be a support line?

Support and information will be provided to the Shareholders and their representatives, for issues related to the holding of the general meeting through the AHIA e-SM platform (e.g. connection, voting, etc.) at the number (+30) 210 33.66.426 or via email to [e-mail].

Can I report any technical infrastructure failure?

Yes, Shareholders can report any failure of the technical infrastructure via the above line.

Any failure or shortage in the Shareholder's equipment, software, network infrastructure, servers, Internet or telephone connection, video or voice equipment, power outage, any type of mechanical breakdown during the General Meeting or similar events, including a security incident information (which includes any unauthorized use, hacking, denial of service attack, denial of access, any failure or intrusion resulting in the theft or illegal interception of a password or network password and any other attack), which could prevent the remote participation of the Shareholder in the General Meeting, in any case will be the exclusive sphere of responsibility of the Shareholder.

The inability of one or more Shareholders to attend and participate in the General Meeting or to vote electronically during (any part of) the General Meeting does not affect the validity of the General Meeting or any business conducted at it.

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Terms and conditions of a remote General Meeting of Shareholders

4.5. What will happen in the event of a technical infrastructure failure during the General Assembly?

In the event that during the General Assembly the President of the General Assembly becomes aware of any failure of the technological infrastructure that may have occurred during the General Assembly and which significantly affects the course of the General Assembly, the President of the General Assembly informs the Shareholders participating in the General Assembly.

The Chairman of the General Meeting may decide in his sole discretion, taking into account the possible impact on the decision-making process at the General Meeting, whether the General Meeting should be adjourned or suspended due to this failure or proceed with the conduct of its business without the possibility of certain Shareholders to participate and/or vote and/or attend the General Assembly.

In the event that, at the discretion of the President, the Online Platform or video conferencing application no longer allows all (or part) of the Shareholders to attend the General Assembly meeting, to vote electronically during (any part of) the General Assembly and to ask questions during it, then the Chairman may, at his sole discretion, continue, adjourn, adjourn the General Meeting or proceed with the General Meeting without the possibility for some or all of the Shareholders attending remotely General Meeting through the Online Platform and video conferencing application to attend the Meeting and / or vote electronically during (any part of) the General Meeting. The Chairman of the Meeting communicates this decision as far as is reasonably possible to the Shareholders attending the General Meeting.

If the President of the Assembly decides to interrupt or postpone the General Assembly, as mentioned above, then all the procedure that will have been carried out up to the point of the interruption or postponement will be valid.

5. Contact

For any questions regarding these Remote General Meeting Terms, contact the Company's Corporate Announcements and Shareholder Services Service 2102144479 via email at [e-mail] by phone at 210 2144479 during working days between 08:00 and 15:00).

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Terms and conditions of a remote General Meeting of Shareholders

Appendix - Definitions

Company means the joint-stock company with the name Athens Water Supply and Sewerage Company

General Assembly means the General Assembly of the Shareholders of the EYDAP corporation with the physical presence of the Shareholders as well as with the possibility of remote participation in real time using electronic means

Online Platform means the online platform https :// axia . athexgroup . gr / homedeveloped by the Hellenic Stock Exchange Group Athens Stock Exchange S.A. and available from the company "Hellenic Central Depository of Securities S.A." for the provision of services for conducting General Meetings of issuing companies that take place remotely in real time via video conference without the physical presence of shareholders

Video Conferencing Application/Video Conferencing means the Zoom service provided by the Zoom Company Video Communications Inc ., through which the possibility of video conferencing is provided ( video conference )

E -mailvoting means the participation of the Shareholders from a distance in the voting on the issues of the General Meeting that will be held before the General Meeting

Shareholder of the Company the person registered on the Date of Registration in the Intangible Securities System (SAS) of the joint-stock company "HELLINIKO CENTRAL SECURITIES DEPOSITORY STOCK" (ELKAT) or the person identified as such based on the relevant date through registered mediators or other mediators in compliance with the provisions of the legislation (law 4548/2018, law 4569/2019, law 4706/2020 and Regulation (EU) 2018/1212) as well as the Regulation of Operation of EL.K.A.T. (Government Gazette B/Government Gazette B/1007/16.03.2021) at the beginning of the fifth (5th ) day before the meeting date of the General Assembly ("Recording Date"), i.e. on the date of July 6, 2024 , and has right to vote, their representatives, as well as the representatives of Shareholders or otherwise exercising the right to vote representing legal entities.

General Assembly Remote Terms means these terms and conditions.

Chairman of the General Meeting means the Chairman of the General Meeting which will be held in physical presence of the Shareholders as well as with the possibility of remote participation in real time using electronic means

Third Party Providers means the companies "Hellenic Central Depository of Securities S.A." based in Athens and " Zoom Video Communications Inc. " based in San Jose, California.

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