Communiqué regarding the availability of the Half-Year Report for the six months ended 30 June 2025

ALUM S.A. (“ALUM”) informs shareholders and investors on the release of the financial results of ALUM for the six months ended 30 June 2025, as follows:

• The Half-Year Report for the period ended 30 June 2025 (unaudited), prepared in accordance with the Ministry of Public Finance Order no. 1194/2025 for the approval of the Accounting Reporting System for the economic operators will be available starting with 13 August 2025, after 8:30 (Bucharest time).

• ALUM 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 BBGA;

 -  Alum’s website, category “Investor Relations”, section “Reports”: http://www.alum.ro/en/ir/alum/reports.

Năstase Genoveva                                                         Duralia Mihaela

Chairman of the Board of Directors                             Chief Financial Officer