La SIA S.p.A.

AGM Information • May 9, 2025

PRESS RELEASE

MAKING AVAILABLE THE MINUTES OF THE SHAREHOLDERS' MEETING OF 24 APRIL 2025 AND THE SUMMARY VOTING STATEMENT

Rome, May 9, 2025 – La SIA S.p.A. ('La SIA' or the 'Company'), a company active in the engineering & design sector, whose shares are traded on Euronext Growth Milan, announces that the minutes of the Ordinary Shareholders' Meeting of La SIA held, in first call, on 24 April 2025 and the summary report of the voting are made available to the public at the Company's registered office in Rome, Viale Luigi Schiavonetti 287, as well as on the Company's website at https://lasia.it/investor-relations/ under the section "Investor Relations / Governance/Shareholders Meetings".

This press release is available on the Company's website https://lasia.it/investor-relations/, section "Investor Relations/Press releases".

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For the transmission of regulated information La SIA S.p.A. (TICKER: LASIA) uses the dissemination system (SDIR) '' available at managed by Computershare S.p.A. with registered office in Via Lorenzo Mascheroni 19, Milan.

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Contacts

Investor Relator	Euronext Growth Advisor
Alessandra Speranza	illimity Bank S.p.A.
Viale Luigi Schiavonetti 286, 00173 Rome (RM)	Via Soperga 9, 20124 Milan
+39 0645441972	+39 0282849699
investorrelator@lasia.it	lasia@illimity.com

Specialist	Investor & Media Relations
MiT Sim S.p.A.	Twister Communications Group S.r.l.
Corso Venezia 16, 20121 Milan	Via Valparaiso, 3 - 20144 Milan
+ 39 0230561270	+39 02438114200
investor.relations@mitsim.it	Lucia Saluzzi lasia@twistergroup.it

The Company

La SIA S.p.A. is an innovative SME active in the engineering and design sector, specialising in the design of infrastructures in the fields of telecommunications, civil construction, mobility infrastructures and energy plants, using state-of-the-art technologies and specific know-how. La SIA is among the top 100 engineering companies in Italy, and among the first movers in the introduction of the BIM

PRESS RELEASE

(Building Information Modeling) methodology, also used for safety, predictive maintenance and the protection of the country's artistic and historical heritage. The Company, established in 2004, operates through three business lines: the 'Civil & Design' line, specialising in the architectural, structural and plant design of complex buildings such as hospitals, data centres and stadiums, guaranteeing high quality and sustainability; the 'Utility & Infrastructure' line, focused on the management and design of infrastructures related to energy, road and rail networks, with particular attention to digital technologies and energy efficiency, and the design of medium voltage and photovoltaic systems; and finally the 'Telecommunications' line, entirely dedicated to the design and construction of fibre optic and mobile radio networks.