Alro S.A.

Report Publication Announcement • Aug 8, 2025

To: Financial Supervisory Authority Bucharest Stock Exchange

Current report in compliance with the stipulations of the Law no. 24/2017 (republished) and of the FSA Regulation no. 5/2018 (subsequently amended and updated) regarding the Issuers of financial instruments and market operations

Date of report: 8 August 2025 Name of issuer: Alro S.A. Headquarters: Slatina, 116 Pitesti Street, Olt County Telephone/ fax number: +40 249 431 901 / +40 249 437 500 Sole registration number at the Trade Register Office: RO 1515374 Trade Register Number: J1991000008282 The European Unique Identifier (EUID): ROONRCJ1991000008282 Legal Entity Identifier (LEI): 5493008G6W6SORM2JG98 Subscribed and paid-in share capital: 356,889,567.5 RON Regulated market on which the issued shares are traded: Bucharest Stock Exchange – Premium Tier Category (market symbol: ALR)

We hereby inform all persons who may be interested about the following important event to be reported:

Communiqué regarding the publication of the Consolidated Half-Year Report and the conference-call for the presentation of the financial results for the six months ended 30 June 2025

ALRO S.A. ("ALRO") informs shareholders and investors on the release of the consolidated and separate financial results of ALRO for the six months ended 30 June 2025, as follows:

• The Consolidated Half-Year Report for the six months ended 30 June 2025 (unaudited), prepared in compliance with the provisions of the Regulation no. 5/2018 regarding the Issuers of financial instruments and market operations and with the provisions of the Bucharest Stock Exchange Code will be available starting with 12 August 2025, after 08:20 (Bucharest time).

ALRO Group Half-Year Report for the six months ended 30 June 2025 was prepared in accordance with the Ministry of Public Finance Order no. 2,844/2016, with subsequent amendments, which is in accordance with the International Financial Reporting Standards (IFRS) adopted by the European Union (EU) with some exceptions that do not affect the compliance with IFRS.

ALRO Group Half-Year Report for the six months ended 30 June 2025 is not audited and will be available on:

• ✓ Bucharest Stock Exchange website, www.bvb.ro symbol ALR;
• ✓ ALRO's website, category "Investor Relations", section "Reports": https://www.alro.ro/en/investor-relations/reports
• Conference Call with the members of the investment community for the presentation of the consolidated and separate results of ALRO for the six months ended 30 June 2025 is scheduled on 14 August 2025, starting with 11:00 (Bucharest time).

If you would like to take part in the conference call, please contact Florența Ghiță, +40 (0)744 644 004 or investor.relations@alro.ro. For receiving the access information, please provide the following details: name, company, position and the phone number you will use to access the conference call.

The conference call presentation will be available starting with 14 August 2025 on ALRO's website, category "Investor Relations", section "Presentations": https://www.alro.ro/en/investor-relations/presentations

This communiqué was simultaneously sent to the Bucharest Stock Exchange and to the Financial Supervisory Authority.

Additional information may be obtained from the Investor Relations Department, e-mail: investor.relations@alro.ro.

Marian-Daniel NĂSTASE Marin CILIANU

Chairman of the Board of Directors Chief Executive Officer

For further information, please contact:

Florenta Ghita

Bucuresti

Phone: +40 744 644 004

E-mail: investor.relations@alro.ro

Notes to the Editor:

ALRO Group

The companies part of ALRO Group are: ALRO S.A. – manufacturer of aluminium, ALUM S.A. – producer of alumina, Vimetco Extrusion S.R.L. – extrusion business line, Conef S.A. – holding and management company, Vimetco Trading – aluminium sales, Stocare Energie Slatina S.A. – electricity production, CCGT- Power Isalnitaassociate and Stocare Energie Tulcea (SET Tulcea S.A.) - associate.

ALRO

ALRO is a subsidiary of Vimetco PLC (Republic of Cyprus), a global, vertically-integrated primary and processed aluminium producer. The structure of ALRO shareholders is: Vimetco PLC (54.19%), Paval Holding (23.21%), Fondul Proprietatea (10.21%) and others (12.39%). In accordance with legal, European and national provisions, the beneficial owner of Vimetco PLC funds, the majority shareholder, is a natural person from Israel, of Israeli nationality, initially registered with the Trade Register with Declaration No. 28078 of 22.10.2020, entered in the register of beneficial owners on 22.10.2020, and current with Declaration No. 920 of 18.01.2023, entered in the register of beneficial owners on 18.01.2023.

ALRO is one of the largest vertically integrated aluminium producers in Europe, by production capacity, with a production capacity of 265,000 tpa of electrolytic aluminium, an Eco-Recycling capacity 100,000 tpa, resulting in

a production of recycled liquid aluminium of 94,000 tpa. The capacity of the Aluminium Cast House is 313,000 tpa and the processing capacity is 140,000 tpa of cold and hot rolled facilities and extrusion division.

The main market for ALRO products is represented by the European Union; the Company exports its products to the USA and to the Asia as well. ALRO is ISO 9001 certified for quality management and has NADCAP and EN 9100 certifications for aeronautical production organizations, ALRO products adhere to the quality standards for primary aluminium on the LME, as well as international standards for flat rolled products.

Since 2020, ALRO and Vimetco Extrusion have been members of ASI (Aluminium Stewardship Initiative), an international association that contributes to enhancing sustainability in the global aluminium sector. In 2023, ALRO and Vimetco Extrusion achieved the certification under ASI's Third version of Performance Standards.