Athens Water Supply & Sewerage S.A

AGM Information • Jul 23, 2025

Athens, July 16th, 2025

Resolutions of the 43rd OrdinaryGeneral Assembly

EYDAP S.A., in accordance with the provisions of Law 3556/2007, the relevant decisions of the Capital Market Commission and article 4.1.1, paragraph 3 of the Athens Stock Exchange Regulations, hereby informs the investing public of the following:

On July 16th , 2025, Wednesday at 10:00 a.m. the 43nd Ordinary General Meeting of the Company's Shareholders took place, at the Athens Stock Exchange, Athens Ave. 110, Athens, room "ERMIS" with the presence of the Shareholders as well as with participation remotely in real time using electronic means, for the discussion and decision-making on the agenda mentioned in the invitation published on 23.6.2025.

During the meeting, in which 114 shareholders participated, 83,561,111 common registered shares and corresponding voting rights were represented on a total of 106,500,000 common registered shares, i.e. 78.46% of the paid-up share capital. Consequently, the quorum required by law and the Articles of Association was met for the discussion and decision-making on the items on the agenda.

The General Assembly:

• On the first issue, approved the Individual and Consolidated Annual Financial Statements of EYDAP S.A., in accordance with International Accounting Standards and International Financial Reporting Standards (IAS/IFRS) for the financial year 01.01.2024 to 31.12.2024, the Management Report of the Board of Directors of EYDAP S.A. and the Audit Report thereon of the Certified Auditors of EYDAP S.A.

The total number of shares for which valid votes were cast amounted to 83,561,111, corresponding to 78.46% of the paid-up share capital.

Number of votes in favor: 83,546,200, against: 14,500, abstentions: 411

Consequently, the issue was voted in favor with 99.98% of the valid votes.

• On the second issue, approved the distribution of a dividend of €7,455,000 for the year 2024, i.e. a gross dividend of €0.07 per share, while determining the beneficiaries of the dividend and the date of commencement of their payment. After withholding tax of 5% (€0.0035 per share), the net dividend payable amounts to €0.0665 per share. The ex-date was set at 22 July 2025 and the beneficiaries were the holders of shares of the Company who will be registered in the DSS on 23 July 2025 (record date). The dividend payment date was set at 28 July 2025 in accordance with the procedure provided for in the Athens Stock Exchange Regulation. The General Meeting also authorized the Board of Directors to take any necessary action to implement this decision, including the selection of the paying Bank.

The total number of shares for which valid votes were cast amounted to 83,561,111, corresponding to 78.46% of the paid-up share capital.

Number of votes in favor: 83,545,700, against: 15,000, abstentions: 411

Consequently, the issue was voted in favor with 99.98% of the valid votes.

• On the third issue, approved, pursuant to article 108 and 117 par. 1, sub-paragraph c of Law 4548/2018, the overall management of EYDAP S.A. by the Board of Directors and released the Auditors from any liability for compensation for the corporate fiscal year 01.01.2024- 31.12.2024.

The total number of shares for which valid votes were cast amounted to 83,561,111, corresponding to 78.46% of the paid-up share capital.

Number of votes in favor: 83,543,428, against: 17,272, abstentions: 411

Therefore, the issue was voted in favor with 99.98% of the valid votes.

• On the fourth issue, appointed as Independent Non-Executive Members the following four (4) existing Non-Executive Members of the Board of Directors, for the remainder of their term as Members of the Board of Directors of the Company in accordance with the decision of the 41st Ordinary General Meeting of Shareholders dated 12.09.2023 , namely Messrs.:

• Antonios Emmanuel Giannikouris

The total number of shares for which valid votes were cast amounted to 83,561,111, corresponding to 78.46% of the paid-up share capital. Number of votes in favor: 82,870,613, against: 38,252, abstentions: 652,246

Therefore, the issue was voted in favor with 99.17% of the valid votes. 2. Christos Gregory Karaplis, The total number of shares for which valid votes were cast amounted to 83,561,111,

corresponding to 78.46% of the paid-up share capital. Number of votes in favor: 81,261,792, against: 1,750,352, abstentions: 548,967 Therefore, the issue was voted in favor with 97.25% of the valid votes.

• 1. Eleni-Maria Photios Kaymenaki The total number of shares for which valid votes were cast amounted to 83,561,111, corresponding to 78.46% of the paid-up share capital. Number of votes in favor: 82,898,713, against: 113,431, abstentions: 548,967 Therefore, the issue was voted in favor with 99.21% of the valid votes.
• 1. George Evangelos Stergiou The total number of shares for which valid votes were cast amounted to 83,561,111, corresponding to 78.46% of the paid-up share capital. Number of votes in favor: 82,735,458, against: 276,686, abstentions: 548,967 Therefore, the issue was voted in favor with 99.01% of the valid votes.

It is noted that the number of Independent Non-Executive Members participating in the Board of Directors of EYDAP S.A. exceeds the minimum mandatory number set by the provision of article 5 par. 2 of Law 4706/2020.

• On the fifth issue, a) confirmed the decision of the 41st Ordinary General Meeting of 06.09.2023 regarding the type, number of Members and term of office of the Audit Committee and b) redefined the qualifications of the Members of the Audit Committee by deciding that the Audit Committee shall consist of a majority of Independent Non-Executive Members, in accordance with article 44, par. 1, subs . b and d of Law 4449/2017.

The total number of shares for which valid votes were cast amounted to 83,561,111, corresponding to 78.46% of the paid-up share capital.

Number of votes in favor: 83,525,710, against: 34,990, abstentions: 411

Consequently, the issue was voted in favor with 99.96% of the valid votes.

• On the sixth issue, approved the fees and expenses paid to the Members of the Board of Directors of EYDAP S.A. from 01.01.2024 to 31.12.2024 as well as the extraordinary variable remuneration paid to the CEO of EYDAP S.A. for the fulfillment of short-term targets for the corporate year 2024.

The total number of shares for which valid votes were cast amounted to 83,561,111, corresponding to 78.46% of the paid-up share capital.

Number of votes in favor: 83,290,800, against: 16,900, abstentions: 253,411

Consequently, the issue was voted in favor with 99.68% of the valid votes.

• On the seventh issue, determined the fees and expenses of the Members of the Board of Directors of EYDAP S.A. for the corporate year 2025.

The total number of shares for which valid votes were cast amounted to 83,561,111, corresponding to 78.46% of the paid-up share capital.

Number of votes in favor: 83,290,800, against: 16,900, abstentions: 253,411

Consequently, the issue was voted in favor with 99.68% of the valid votes.

• On the eighth issue, approved by advisory vote the Remuneration Report of the Members of the Board of Directors for the financial year 2024 in accordance with article 112 of Law 4548/2018. The Remuneration Report is available on the Company's website www.eydap.gr

The total number of shares for which valid votes were cast amounted to 83,561,111, corresponding to 78.46% of the paid-up share capital.

Number of votes in favor: 82,627,826, against: 679,874, abstentions: 253,411

Consequently, the issue was voted in favor with 98.88% of the valid votes.

• On the ninth issue, approved the revision of the Remuneration Policy in accordance with the posted Plan, except for the proposed par. 4.2.5. The revised Remuneration Policy is posted on the Company's website www.eydap.gr .

The total number of shares for which valid votes were cast amounted to 83,561,111, corresponding to 78.46% of the paid-up share capital.

Number of votes in favor: 82,579,724, against: 725,535, abstentions: 255,852

Consequently, the issue was voted in favor with 98.83% of the valid votes.

• On the tenth issue, it approved the revision of the Nomination Policy of the Members of the Board of Directors of EYDAP S.A. in accordance with Law 4706/2020 and Circular No. 60/18.09.2020 of the Capital Market Commission, as in force.

The total number of shares for which valid votes were cast amounted to 83,561,111, corresponding to 78.46% of the paid-up share capital.

Number of votes in favor: 83,293,200, against: 14,500, abstentions: 253,411

Consequently, the issue was voted in favor with 99.68% of the valid votes.

• On the eleventh issue, it elected the Auditing Firm "GRANT THORNTON S.A.", while setting its remuneration for the financial year 01/01/2025 - 31/12/2025, at the total amount of €139,000.00, plus VAT, for: a) the audit of the Annual Financial Statements, b) the Review Report of the Interim Summary Half-Yearly Financial Statements, c) the issuance of a Tax Certificate, d) the issuance of an Independent Certified Auditor's Report to verify the completeness of the information included in the Remuneration Report, in accordance with article 112 of Law 4548/2018, e) the issuance of an Independent Certified Auditor's Verification Report for the inclusion of electricity consumption in a reduced rate regime of the Special Emissions Reduction Fee, f ) the issuance of a limited-scope External Assurance Report on the entire 2025 Sustainable Development Report, g) the issuance of an Assurance Report on the compliance of the financial statements with the provisions of the ESEF Regulation and h) the issuance of Audit Report for the certification of scientific and technological research expenditures.

According to the decision of the Accounting Standardization and Audit Committee (ASC) dated 19.03.2010, the Management of EYDAP S.A. within five (05) days from the date of the election, will send a written notice-order to the Auditing Firm "GRANT THORNTON S.A." and subsequently the said Auditing Firm will inform within a period of one (01) month from its election, of the names of the Certified Public Accountants who will be responsible for the audit and will lead the audit team.

The total number of shares for which valid votes were cast amounted to 83,561,111, corresponding to 78.46% of the paid-up share capital.

Number of votes in favor: 81,044,470, against: 2,516,230, abstentions: 411

Consequently, the issue was voted in favor with 96.99% of the valid votes.

On issues 1, 2 and 13, for which no decision is required, the General Meeting took note of the submitted Annual Report of the Audit Committee of the Board of Directors for the fiscal year 2024 as well as the Report of the Independent Non-Executive Members, which they submitted jointly to the General Meeting. The above are available on the Company's website www.eydap.gr .