La SIA S.p.A.

Earnings Release • Feb 13, 2025

THE BOARD OF DIRECTORS EXAMINED SOME ECONOMIC INDICATORS FOR THE FOURTH QUARTER 2024 ECONOMIC-FINANCIAL INDICATORS: VALUE OF PRODUCTION OF c. € 15.6 M NFP CASH POSITIVE FOR € 4 M BACKLOG OF c. € 34.4 M

MANAGEMENT-BUSINESS INDICATORS BUSINESS DIVERSIFICATION AND EXPANSION INTO NEW SECTORS

CHANGE IN THE CALENDAR OF CORPORATE EVENTS 2025

Main results of the period:

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• Value of Production: approximately 15.6 million Euro, substantially in line with 16.3 million Euro in December 2023;
• NFP: 4 million Euro (net cash);
• Backlog: 34.4 million Euro in line with 35.8 million Euro in September 2024.

¹ results for the period

Rome, 13 February 2025 - Today, the Board of Directors of 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, approved selected unaudited information indicative of the Company's business performance for the fourth quarter of 2024.

Maurizio Ciardi, Chief Executive Officer of La SIA commented: "The fourth quarter of the year is confirmed to be one of the most important during the year and allows us to close 2024 with satisfaction. The second half of the year saw the conclusion of a number of prestigious projects pertaining to the Civil business line, demonstrating the effective commitment, undertaken since the IPO, to the diversification of activities and the rebalancing of their contribution to the Value of Production. This strategic change has allowed us to stabilise and recalibrate our revenues, but above all to significantly mitigate the potential risk associated with dependence on a single client. Finally, we are very satisfied with the Company's financial solidity and the backlog, which continues to be substantial, allowing us to look forward to the year that has just begun with optimism and determination."

■ Highlights of fourth quarter 2024

2024 In the final quarter of 2024, the Company recorded a Value of Production of 4.9 million Euro, or 31% of revenue for the year. Value of Production for the year ended 31 December 2024 totaled approximately 15.6 million Euro, broadly in line with the year ended 31 December 2023 given the significant reduction in revenue from the Telco business line in favour of building a strong track record in Civil.

Net cash as at 31 December 2024 amounted to 4 million Euro, substantially unchanged from the same period last year, taking into account the dividend distribution in May 2024, a result mainly due to an orderly and virtuous operational management.

The backlog amounted to 34.4 million Euro with a slight decrease compared to the stock recorded in December 2023, whose significant changes were due to a reduction in orders on the Telco business line and an increase on the Utilities & Infrastructures business line, consistent with the Company's business development strategy. Compared to the amount for the third quarter of 2024, about 5.3 million Euro was converted into revenue and new orders of 4.2 million Euro were acquired. The hard backlog, as of 31 December 2024, represented 36% of the total backlog, an increase of 10% compared to 31 December 2023.

■ Key management KPIs as at ³¹ Decembe^{r 2024}

The process of business diversification and expansion into new sectors continued in the last quarter of the year. New customers were acquired - also in new markets - thus having the dual effect of reducing exposure to certain customers and expanding the portfolio.

The revenue component relating to the Civil business line as at 31 December 2024 stood at 47% (compared to 22% in December 2022, as per the admission document), that of Utilities & Infrastructures at 15% (compared to 1% in December 2022), and that of Telco decreased to 38% (compared to 77% in December 2022).

Finally, it is confirmed that the concentration of the first customer decreased from 47% in 2023 to 24% in 2024.

■ Change in the 2025 corporate events calendar

The Board of Directors also resolved to change the 2025 corporate events calendar, compared to what was previously indicated on 22 January 2025, in order to communicate Guidance 2025 to the market. Pursuant to Art. 17 of the Euronext Growth Milan Issuers' Regulations, the above amendment is reproduced below:

• Tuesday 25 March 2025: Board of Directors' meeting for the approval of the Draft Financial Statements and Consolidated Financial Statements as of 31 December 2024 and for the approval of the 2025 Guidance.

The Company announces that the other dates remain unchanged.

The updated calendar is available on the Company's website https://lasia.it/investor-relations/, section "Investor Relations/Corporate Events".

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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 a company active in the engineering and design sector, specializing in the design of critical infrastructures in the fields of telecommunications, civil construction, mobility infrastructure and energy plants, through the use of cutting-edge 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 BIM (Building Information Modeling) methodology, also employed for the purposes of safety, predictive maintenance and the protection of the country's artistic and historical heritage. The Company, established in 2004, operates through three business units: the "Civil & Design" line, dedicated to mechanical structural engineering, electrical engineering, and design in architecture; the "Energy & Infrastructure" line, engaged in

specialized consulting in project management services, construction and safety management, and training; and finally, the "Telecommunications" line, entirely dedicated to the design and implementation of fiber optic and mobile radio networks.