La SIA S.p.A.

Earnings Release • Jul 24, 2025

PRESS RELEASE

THE BOARD OF DIRECTORS REVIEWED SOME ECONOMIC INDICATORS OF THE FIRST HALF OF 2025

VALUE OF PRODUCTION EQUAL TO € 7 M NFP CASH POSITIVE FOR € 2,8 M BACKLOG OF c. € 35,2 M

Main results of the period:

• Value of Production: approximately 7 million Euro in line with the previous year.
• NFP: 2,8 million Euro (cash) compared to 3,6 million Euro in March 2025 (-18,5%);
• Backlog: 35,2 million Euro in line with the previous year.

Rome, July 24, 2025 – The Board of Directors of La SIA S.p.A. ('La SIA' or the 'Company'), company operating in the engineering & design sector and part of Mare Group, today reviewed selected information indicative of the Company's business performance related to the first half of 2025, unaudited.

Maurizio Ciardi, Chief Executive Officer of La SIA commented, "In the first half of 2025, we achieved results that confirm the effectiveness of the strategy pursued in recent months toward an increasing articulation of our offer in the different market segments. The performance achieved reflects solid growth, fostered by a clear industrial vision and an effective organizational structure. We are also beginning to see the first positive signs from the integration into Mare Group, which is helping to further enhance our ability to generate value and take on higher-profile orders, consolidating our role in the Italian engineering scene."

■ Main results for the first half of 2025

In the first half of 2025, the Company recorded a Value of Production of 7 million Euro, in line with the previous year.

NFP as of June 30, 2025 is 2,8 million Euro with a decrease compared to March 31, 2025 of approximately 0,8 million Euro. This change reflects the typical operating dynamics of the first half of the year, in a business environment that historically has lower cash generation than in the second part of the year.

The backlog as of June 30, 2025 was 35,2 million Euro, basically in line with the first half of 2024 (35 million), but with a 13% increase in the hard backlog component. Compared to the amount of March 2025 (36,1 million Euro), c. 3,6 million Euro was transformed into revenues and the contribution to the hard backlog referring to the utility & infrastructure business line increased by 34%. Not considering the newly awarded tenders, which have already been communicated to the market, new agreements of c. 4 million Euro were signed, and new orders of c. 4,6 million Euro were finalized. The hard backlog component amounted to c. 13,7 million Euro, increasing its contribution to the total backlog to 39% from 35% in the previous quarter.

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PRESS RELEASE

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

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

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., part of Mare Group, is a company operating in the engineering and design sector, specializing in the design of infrastructure in the fields of telecommunications, civil construction, mobility infrastructure and energy plants, using cutting-edge technologies and specific know-how. La SIA is among the first movers in the introduction of BIM (Building Information Modelling) methodology, also used for safety, predictive maintenance and the protection of the country's artistic and historical heritage. The company, established in 2004 and acquired by Mare Group in 2025, operates in the architectural, structural and plant design of complex buildings, in the management and design of infrastructure related to energy, road and rail networks, in the design of medium-voltage and photovoltaic systems, and in the design and construction of fibre optic and mobile radio networks.