17/11/2025 – Press release – shareholders' meeting summary report of the votes on the items on the agenda pursuant to art. 125-quarter of legislative decree no. 58 of 24 february 1998 (consolidated law on finance) – november 17, 2025

It is acknowledged that:

• the Share Capital is Euro 123,053,514.60, fully paid-up and divided into 312,277,292 shares with no par value;

• the Company holds 20 (twenty) treasury shares equal to 0.00001% of the Share Capital and these shares have not been taken into account in the calculation of the votes; the voting share capital therefore consists of 312,277,272 ordinary shares;

• 110 entitled shareholders were present by proxy; the shares represented at the Shareholders' Meeting at the beginning of the meeting and for the voting of all the items on the agenda were 59,591,374 ordinary shares, equal to 19.083% of the Share Capital.

On item 1, by a majority of those present, the Shareholders' Meeting of Trevi - Finanziaria Industriale

S.p.A. resolved to:

• to appoint Deloitte & Touche S.p.A. for a nine-year period 2025-2033 as independent auditor for the performance of the activities referred to in the offer made by the aforementioned independent auditors, for a total remuneration over the nine-year period of Euro 2,020,651 and with the procedures for adjusting the fees according to the economic conditions and terms envisaged and summarised in the proposal formulated by the Board of Statutory Auditors;

VOTE

• to delegate to the Board of Directors, with the express power of sub-delegation, all the broadest powers, in compliance with the provisions of the law, for the complete execution of the aforementioned resolution, with any and all powers necessary and appropriate for this purpose, none excluded and excepted, including that of making any non-substantial changes to the resolutions that may be deemed necessary and/or appropriate for registration in the Register of Companies. Companies and/or in relation to any indications from the Supervisory Authorities.

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The Trevi Group is a world leader in comprehensive ground engineering (special foundations, soil consolidation, remediation of polluted sites) and in the design and marketing of specialised technologies for the sector.

Founded in Cesena in 1957, the Group comprises around 65 companies and, together with dealers and distributors, operates in 90 countries. The Group's success stems from its international outlook and from the continuous integration and synergy between its two divisions: Trevi, which carries out special foundation and soil-consolidation work for large-scale infrastructure projects (subways, dams, ports and quays, bridges, railway and motorway lines, industrial and civil buildings); and Soilmec, which designs, manufactures and markets machinery, equipment and services for underground engineering.

The parent company, Trevi-Finanziaria Industriale S.p.A., has been listed on the Milan Stock Exchange since July 1999 and is part of the Euronext Milan stock exchange (listed as TFIN).

Federico Unnia - T. +39 335 703 2646 - federico.unnia@auresconsulting.it